Initial Contribution
diff --git a/src/com/android/launcher/AddAdapter.java b/src/com/android/launcher/AddAdapter.java
new file mode 100644
index 0000000..49422c6
--- /dev/null
+++ b/src/com/android/launcher/AddAdapter.java
@@ -0,0 +1,428 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.BaseExpandableListAdapter;
+import android.graphics.drawable.Drawable;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Shows a list of all the items that can be added to the workspace.
+ */
+public final class AddAdapter extends BaseExpandableListAdapter {
+ private static final int GROUP_APPLICATIONS = 0;
+ private static final int GROUP_SHORTCUTS = 1;
+ private static final int GROUP_WIDGETS = 2;
+ private static final int GROUP_WALLPAPERS = 3;
+
+ private final Intent mCreateShortcutIntent;
+ private Intent mSetWallpaperIntent;
+ private final LayoutInflater mInflater;
+ private Launcher mLauncher;
+ private Group[] mGroups;
+
+ /**
+ * Abstract class representing one thing that can be added
+ */
+ public abstract class AddAction implements Runnable {
+ private final Context mContext;
+
+ AddAction(Context context) {
+ mContext = context;
+ }
+
+ Drawable getIcon(int resource) {
+ return mContext.getResources().getDrawable(resource);
+ }
+
+ public abstract void bindView(View v);
+ }
+
+ /**
+ * Class representing an action that will create set the wallpaper.
+ */
+ public class SetWallpaperAction extends CreateShortcutAction {
+ SetWallpaperAction(Context context, ResolveInfo info) {
+ super(context, info);
+ }
+
+ public void run() {
+ Intent intent = new Intent(mSetWallpaperIntent);
+ ActivityInfo activityInfo = mInfo.activityInfo;
+ intent.setComponent(new ComponentName(activityInfo.applicationInfo.packageName,
+ activityInfo.name));
+ mLauncher.startActivity(intent);
+ }
+ }
+
+ /**
+ * Class representing an action that will create a specific type
+ * of shortcut
+ */
+ public class CreateShortcutAction extends AddAction {
+
+ ResolveInfo mInfo;
+ private CharSequence mLabel;
+ private Drawable mIcon;
+
+ CreateShortcutAction(Context context, ResolveInfo info) {
+ super(context);
+ mInfo = info;
+ }
+
+ @Override
+ public void bindView(View view) {
+ ResolveInfo info = mInfo;
+ TextView text = (TextView) view;
+
+ PackageManager pm = mLauncher.getPackageManager();
+
+ if (mLabel == null) {
+ mLabel = info.loadLabel(pm);
+ if (mLabel == null) {
+ mLabel = info.activityInfo.name;
+ }
+ }
+ if (mIcon == null) {
+ mIcon = info.loadIcon(pm);
+ }
+
+ text.setText(mLabel);
+ text.setCompoundDrawablesWithIntrinsicBounds(mIcon, null, null, null);
+ }
+
+ public void run() {
+ Intent intent = new Intent(mCreateShortcutIntent);
+ ActivityInfo activityInfo = mInfo.activityInfo;
+ intent.setComponent(new ComponentName(activityInfo.applicationInfo.packageName,
+ activityInfo.name));
+ mLauncher.addShortcut(intent);
+ }
+ }
+
+ /**
+ * Class representing an action that will add a folder
+ */
+ public class CreateFolderAction extends AddAction {
+
+ CreateFolderAction(Context context) {
+ super(context);
+ }
+
+ @Override
+ public void bindView(View view) {
+ TextView text = (TextView) view;
+ text.setText(R.string.add_folder);
+ text.setCompoundDrawablesWithIntrinsicBounds(getIcon(R.drawable.ic_launcher_folder),
+ null, null, null);
+ }
+
+ public void run() {
+ mLauncher.addFolder();
+ }
+ }
+
+ /**
+ * Class representing an action that will add a folder
+ */
+ public class CreateClockAction extends AddAction {
+
+ CreateClockAction(Context context) {
+ super(context);
+ }
+
+ @Override
+ public void bindView(View view) {
+ TextView text = (TextView) view;
+ text.setText(R.string.add_clock);
+ Drawable icon = getIcon(R.drawable.ic_launcher_alarmclock);
+ text.setCompoundDrawablesWithIntrinsicBounds(icon, null, null, null);
+ }
+
+ public void run() {
+ mLauncher.addClock();
+ }
+ }
+
+ /**
+ * Class representing an action that will add a PhotoFrame
+ */
+ public class CreatePhotoFrameAction extends AddAction {
+ CreatePhotoFrameAction(Context context) {
+ super(context);
+ }
+
+ @Override
+ public void bindView(View view) {
+ TextView text = (TextView) view;
+ text.setText(R.string.add_photo_frame);
+ Drawable icon = getIcon(R.drawable.ic_launcher_gallery);
+ text.setCompoundDrawablesWithIntrinsicBounds(icon, null, null, null);
+ }
+
+ public void run() {
+ mLauncher.getPhotoForPhotoFrame();
+ }
+ }
+
+
+ /**
+ * Class representing an action that will add a Search widget
+ */
+ public class CreateSearchAction extends AddAction {
+ CreateSearchAction(Context context) {
+ super(context);
+ }
+
+ @Override
+ public void bindView(View view) {
+ TextView text = (TextView) view;
+ text.setText(R.string.add_search);
+ Drawable icon = getIcon(R.drawable.ic_search_gadget);
+ text.setCompoundDrawablesWithIntrinsicBounds(icon, null, null, null);
+ }
+
+ public void run() {
+ mLauncher.addSearch();
+ }
+ }
+
+ private class Group {
+ private String mName;
+ private ArrayList<AddAction> mList;
+
+ Group(String name) {
+ mName = name;
+ mList = new ArrayList<AddAction>();
+ }
+
+ void add(AddAction action) {
+ mList.add(action);
+ }
+
+ int size() {
+ return mList.size();
+ }
+
+ String getName() {
+ return mName;
+ }
+
+ void run(int position) {
+ mList.get(position).run();
+ }
+
+ void bindView(int childPosition, View view) {
+ mList.get(childPosition).bindView(view);
+ }
+
+ public Object get(int childPosition) {
+ return mList.get(childPosition);
+ }
+ }
+
+ private class ApplicationsGroup extends Group {
+ private final Launcher mLauncher;
+ private final ArrayList<ApplicationInfo> mApplications;
+
+ ApplicationsGroup(Launcher launcher, String name) {
+ super(name);
+ mLauncher = launcher;
+ mApplications = Launcher.getModel().getApplications();
+ }
+
+ @Override
+ int size() {
+ return mApplications == null ? 0 : mApplications.size();
+ }
+
+ @Override
+ void add(AddAction action) {
+ }
+
+ @Override
+ void run(int position) {
+ final ApplicationInfo info = mApplications.get(position);
+ mLauncher.addApplicationShortcut(info);
+ }
+
+ @Override
+ void bindView(int childPosition, View view) {
+ TextView text = (TextView) view.findViewById(R.id.title);
+
+ final ApplicationInfo info = mApplications.get(childPosition);
+ text.setText(info.title);
+ if (!info.filtered) {
+ info.icon = Utilities.createIconThumbnail(info.icon, mLauncher);
+ info.filtered = true;
+ }
+ text.setCompoundDrawablesWithIntrinsicBounds(info.icon, null, null, null);
+ }
+
+ @Override
+ public Object get(int childPosition) {
+ return mApplications.get(childPosition);
+ }
+ }
+
+ public AddAdapter(Launcher launcher, boolean forFolder) {
+ mCreateShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT);
+ mCreateShortcutIntent.setComponent(null);
+
+ mSetWallpaperIntent = new Intent(Intent.ACTION_SET_WALLPAPER);
+ mSetWallpaperIntent.setComponent(null);
+
+ mLauncher = launcher;
+ mInflater = (LayoutInflater) launcher.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+
+ mGroups = new Group[forFolder ? 2 : 4];
+ final Group[] groups = mGroups;
+ groups[GROUP_APPLICATIONS] = new ApplicationsGroup(mLauncher,
+ mLauncher.getString(R.string.group_applications));
+ groups[GROUP_SHORTCUTS] = new Group(mLauncher.getString(R.string.group_shortcuts));
+
+ if (!forFolder) {
+ groups[GROUP_WALLPAPERS] = new Group(mLauncher.getString(R.string.group_wallpapers));
+ groups[GROUP_SHORTCUTS].add(new CreateFolderAction(launcher));
+ groups[GROUP_WIDGETS] = new Group(mLauncher.getString(R.string.group_widgets));
+ final Group widgets = groups[GROUP_WIDGETS];
+ widgets.add(new CreateClockAction(launcher));
+ widgets.add(new CreatePhotoFrameAction(launcher));
+ widgets.add(new CreateSearchAction(launcher));
+ }
+
+ PackageManager packageManager = launcher.getPackageManager();
+
+ List<ResolveInfo> list = findTargetsForIntent(mCreateShortcutIntent, packageManager);
+ if (list != null && list.size() > 0) {
+ int count = list.size();
+ final Group shortcuts = groups[GROUP_SHORTCUTS];
+ for (int i = 0; i < count; i++) {
+ ResolveInfo resolveInfo = list.get(i);
+ shortcuts.add(new CreateShortcutAction(launcher, resolveInfo));
+ }
+ }
+
+ list = findTargetsForIntent(mSetWallpaperIntent, packageManager);
+ if (list != null && list.size() > 0) {
+ int count = list.size();
+ final Group shortcuts = groups[GROUP_WALLPAPERS];
+ for (int i = 0; i < count; i++) {
+ ResolveInfo resolveInfo = list.get(i);
+ shortcuts.add(new SetWallpaperAction(launcher, resolveInfo));
+ }
+ }
+ }
+
+ private List<ResolveInfo> findTargetsForIntent(Intent intent, PackageManager packageManager) {
+ List<ResolveInfo> list = packageManager.queryIntentActivities(intent,
+ PackageManager.MATCH_DEFAULT_ONLY);
+ if (list != null) {
+ int count = list.size();
+ if (count > 1) {
+ // Only display the first matches that are either of equal
+ // priority or have asked to be default options.
+ ResolveInfo firstInfo = list.get(0);
+ for (int i=1; i<count; i++) {
+ ResolveInfo resolveInfo = list.get(i);
+ if (firstInfo.priority != resolveInfo.priority ||
+ firstInfo.isDefault != resolveInfo.isDefault) {
+ while (i < count) {
+ list.remove(i);
+ count--;
+ }
+ }
+ }
+ Collections.sort(list, new ResolveInfo.DisplayNameComparator(packageManager));
+ }
+ }
+ return list;
+ }
+
+ public int getGroupCount() {
+ return mGroups.length;
+ }
+
+ public int getChildrenCount(int groupPosition) {
+ return mGroups[groupPosition].size();
+ }
+
+ public Object getGroup(int groupPosition) {
+ return mGroups[groupPosition].getName();
+ }
+
+ public Object getChild(int groupPosition, int childPosition) {
+ return mGroups[groupPosition].get(childPosition);
+ }
+
+ public long getGroupId(int groupPosition) {
+ return groupPosition;
+ }
+
+ public long getChildId(int groupPosition, int childPosition) {
+ return (groupPosition << 16) | childPosition;
+ }
+
+ public boolean hasStableIds() {
+ return true;
+ }
+
+ public View getGroupView(int groupPosition, boolean isExpanded,
+ View convertView, ViewGroup parent) {
+ View view;
+ if (convertView == null) {
+ view = mInflater.inflate(R.layout.create_shortcut_group_item, parent, false);
+ } else {
+ view = convertView;
+ }
+ ((TextView) view).setText(mGroups[groupPosition].getName());
+ return view;
+ }
+
+ public View getChildView(int groupPosition, int childPosition, boolean isLastChild,
+ View convertView, ViewGroup parent) {
+ View view;
+ if (convertView == null) {
+ view = mInflater.inflate(R.layout.create_shortcut_list_item, parent, false);
+ } else {
+ view = convertView;
+ }
+ mGroups[groupPosition].bindView(childPosition, view);
+ return view;
+ }
+
+ public boolean isChildSelectable(int groupPosition, int childPosition) {
+ return true;
+ }
+
+ void performAction(int groupPosition, int childPosition) {
+ mGroups[groupPosition].run(childPosition);
+ }
+}
diff --git a/src/com/android/launcher/AllAppsGridView.java b/src/com/android/launcher/AllAppsGridView.java
new file mode 100644
index 0000000..a898c1a
--- /dev/null
+++ b/src/com/android/launcher/AllAppsGridView.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.widget.GridView;
+import android.widget.AdapterView;
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+
+public class AllAppsGridView extends GridView implements AdapterView.OnItemClickListener,
+ AdapterView.OnItemLongClickListener, DragSource {
+
+ private DragController mDragger;
+ private Launcher mLauncher;
+
+ public AllAppsGridView(Context context) {
+ super(context);
+ }
+
+ public AllAppsGridView(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ public AllAppsGridView(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ }
+
+ @Override
+ protected void onFinishInflate() {
+ setOnItemClickListener(this);
+ setOnItemLongClickListener(this);
+ }
+
+ public void onItemClick(AdapterView parent, View v, int position, long id) {
+ ApplicationInfo app = (ApplicationInfo) parent.getItemAtPosition(position);
+ mLauncher.startActivitySafely(app.intent);
+ }
+
+ public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
+ if (!view.isInTouchMode()) {
+ return false;
+ }
+
+ ApplicationInfo app = (ApplicationInfo) parent.getItemAtPosition(position);
+ app = new ApplicationInfo(app);
+
+ mDragger.startDrag(view, this, app, DragController.DRAG_ACTION_COPY);
+ mLauncher.closeAllApplications();
+
+ return true;
+ }
+
+ public void setDragger(DragController dragger) {
+ mDragger = dragger;
+ }
+
+ public void onDropCompleted(View target, boolean success) {
+ }
+
+ void setLauncher(Launcher launcher) {
+ mLauncher = launcher;
+ }
+}
diff --git a/src/com/android/launcher/ApplicationInfo.java b/src/com/android/launcher/ApplicationInfo.java
new file mode 100644
index 0000000..ec1c85a
--- /dev/null
+++ b/src/com/android/launcher/ApplicationInfo.java
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.ComponentName;
+import android.content.ContentValues;
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import com.android.internal.provider.Settings;
+
+/**
+ * Represents a launchable application. An application is made of a name (or title),
+ * an intent and an icon.
+ */
+class ApplicationInfo extends ItemInfo {
+
+ /**
+ * The application name.
+ */
+ CharSequence title;
+
+ /**
+ * The intent used to start the application.
+ */
+ Intent intent;
+
+ /**
+ * The application icon.
+ */
+ Drawable icon;
+
+ /**
+ * When set to true, indicates that the icon has been resized.
+ */
+ boolean filtered;
+
+ /**
+ * Indicates whether the icon comes from an application's resource (if false)
+ * or from a custom Bitmap (if true.)
+ */
+ boolean customIcon;
+
+ /**
+ * If isShortcut=true and customIcon=false, this contains a reference to the
+ * shortcut icon as an application's resource.
+ */
+ Intent.ShortcutIconResource iconResource;
+
+ ApplicationInfo() {
+ itemType = Settings.Favorites.ITEM_TYPE_SHORTCUT;
+ }
+
+ public ApplicationInfo(ApplicationInfo info) {
+ super(info);
+ title = info.title.toString();
+ intent = new Intent(info.intent);
+ if (info.iconResource != null) {
+ iconResource = new Intent.ShortcutIconResource();
+ iconResource.packageName = info.iconResource.packageName;
+ iconResource.resourceName = info.iconResource.resourceName;
+ }
+ icon = info.icon;
+ filtered = info.filtered;
+ customIcon = info.customIcon;
+ }
+
+ /**
+ * Creates the application intent based on a component name and various launch flags.
+ * Sets {@link #itemType} to {@link Settings.Favorites#ITEM_TYPE_APPLICATION}.
+ *
+ * @param className the class name of the component representing the intent
+ * @param launchFlags the launch flags
+ */
+ final void setActivity(ComponentName className, int launchFlags) {
+ intent = new Intent(Intent.ACTION_MAIN);
+ intent.addCategory(Intent.CATEGORY_LAUNCHER);
+ intent.setComponent(className);
+ intent.setFlags(launchFlags);
+ itemType = Settings.Favorites.ITEM_TYPE_APPLICATION;
+ }
+
+ @Override
+ void onAddToDatabase(ContentValues values) {
+ super.onAddToDatabase(values);
+
+ String titleStr = title != null ? title.toString() : null;
+ values.put(Settings.Favorites.TITLE, titleStr);
+
+ String uri = intent != null ? intent.toURI() : null;
+ values.put(Settings.Favorites.INTENT, uri);
+
+ if (customIcon) {
+ values.put(Settings.Favorites.ICON_TYPE, Settings.Favorites.ICON_TYPE_BITMAP);
+ Bitmap bitmap = ((BitmapDrawable) icon).getBitmap();
+ writeBitmap(values, bitmap);
+ } else {
+ values.put(Settings.Favorites.ICON_TYPE, Settings.Favorites.ICON_TYPE_RESOURCE);
+ if (iconResource != null) {
+ values.put(Settings.Favorites.ICON_PACKAGE, iconResource.packageName);
+ values.put(Settings.Favorites.ICON_RESOURCE, iconResource.resourceName);
+ }
+ }
+ }
+
+ @Override
+ public String toString() {
+ return title.toString();
+ }
+}
diff --git a/src/com/android/launcher/ApplicationsAdapter.java b/src/com/android/launcher/ApplicationsAdapter.java
new file mode 100644
index 0000000..97891b2
--- /dev/null
+++ b/src/com/android/launcher/ApplicationsAdapter.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+
+/**
+ * GridView adapter to show the list of applications and shortcuts
+ */
+public class ApplicationsAdapter extends ArrayAdapter<ApplicationInfo> {
+ private final LayoutInflater mInflater;
+
+ public ApplicationsAdapter(Context context, ArrayList<ApplicationInfo> apps) {
+ super(context, 0, apps);
+ mInflater = LayoutInflater.from(context);
+ }
+
+ @Override
+ public View getView(int position, View convertView, ViewGroup parent) {
+ final ApplicationInfo info = getItem(position);
+
+ if (convertView == null) {
+ convertView = mInflater.inflate(R.layout.application_boxed, parent, false);
+ }
+
+ if (!info.filtered) {
+ info.icon = Utilities.createIconThumbnail(info.icon, getContext());
+ info.filtered = true;
+ }
+
+ final TextView textView = (TextView) convertView;
+ textView.setCompoundDrawablesWithIntrinsicBounds(null, info.icon, null, null);
+ textView.setText(info.title);
+
+ return convertView;
+ }
+}
diff --git a/src/com/android/launcher/BubbleTextView.java b/src/com/android/launcher/BubbleTextView.java
new file mode 100644
index 0000000..730e08e
--- /dev/null
+++ b/src/com/android/launcher/BubbleTextView.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.widget.TextView;
+import android.content.Context;
+import android.util.AttributeSet;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.RectF;
+import android.graphics.Rect;
+import android.text.Layout;
+
+/**
+ * TextView that draws a bubble behind the text. We cannot use a LineBackgroundSpan
+ * because we want to make the bubble taller than the text and TextView's clip is
+ * too aggressive.
+ */
+public class BubbleTextView extends TextView {
+ private static final float CORNER_RADIUS = 8.0f;
+ private static final float PADDING_H = 5.0f;
+ private static final float PADDING_V = 1.0f;
+
+ private final RectF mRect = new RectF();
+ private Paint mPaint;
+
+ public BubbleTextView(Context context) {
+ super(context);
+ init();
+ }
+
+ public BubbleTextView(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ init();
+ }
+
+ public BubbleTextView(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ init();
+ }
+
+ private void init() {
+ setFocusable(true);
+
+ mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
+ mPaint.setColor(getContext().getResources().getColor(R.color.bubble_dark_background));
+ }
+
+ @Override
+ public void onDraw(Canvas canvas) {
+ final Layout layout = getLayout();
+ final RectF rect = mRect;
+ final int left = getCompoundPaddingLeft();
+ final int top = getExtendedPaddingTop();
+
+ rect.set(left + layout.getLineLeft(0) - PADDING_H,
+ top + layout.getLineTop(0) - PADDING_V,
+ left + layout.getLineRight(0) + PADDING_H,
+ top + layout.getLineBottom(0) + PADDING_V);
+ canvas.drawRoundRect(rect, CORNER_RADIUS, CORNER_RADIUS, mPaint);
+
+ super.onDraw(canvas);
+ }
+}
diff --git a/src/com/android/launcher/CellLayout.java b/src/com/android/launcher/CellLayout.java
new file mode 100644
index 0000000..03cf7fc
--- /dev/null
+++ b/src/com/android/launcher/CellLayout.java
@@ -0,0 +1,891 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.util.AttributeSet;
+import android.view.ContextMenu;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewDebug;
+import android.view.ViewGroup;
+
+import java.util.ArrayList;
+
+public class CellLayout extends ViewGroup {
+ private boolean mPortrait;
+
+ private int mCellWidth;
+ private int mCellHeight;
+
+ private int mLongAxisStartPadding;
+ private int mLongAxisEndPadding;
+
+ private int mShortAxisStartPadding;
+ private int mShortAxisEndPadding;
+
+ private int mShortAxisCells;
+ private int mLongAxisCells;
+
+ private int mWidthGap;
+ private int mHeightGap;
+
+ private final Rect mRect = new Rect();
+ private final CellInfo mCellInfo = new CellInfo();
+
+ int[] mCellXY = new int[2];
+
+ boolean[][] mOccupied;
+
+ private RectF mDragRect = new RectF();
+
+ public CellLayout(Context context) {
+ this(context, null);
+ }
+
+ public CellLayout(Context context, AttributeSet attrs) {
+ this(context, attrs, 0);
+ }
+
+ public CellLayout(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0);
+
+ mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10);
+ mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10);
+
+ mLongAxisStartPadding =
+ a.getDimensionPixelSize(R.styleable.CellLayout_longAxisStartPadding, 10);
+ mLongAxisEndPadding =
+ a.getDimensionPixelSize(R.styleable.CellLayout_longAxisEndPadding, 10);
+ mShortAxisStartPadding =
+ a.getDimensionPixelSize(R.styleable.CellLayout_shortAxisStartPadding, 10);
+ mShortAxisEndPadding =
+ a.getDimensionPixelSize(R.styleable.CellLayout_shortAxisEndPadding, 10);
+
+ mShortAxisCells = a.getInt(R.styleable.CellLayout_shortAxisCells, 4);
+ mLongAxisCells = a.getInt(R.styleable.CellLayout_longAxisCells, 4);
+
+ a.recycle();
+
+ setAlwaysDrawnWithCacheEnabled(false);
+
+ if (mOccupied == null) {
+ if (mPortrait) {
+ mOccupied = new boolean[mShortAxisCells][mLongAxisCells];
+ } else {
+ mOccupied = new boolean[mLongAxisCells][mShortAxisCells];
+ }
+ }
+ }
+
+ int getCountX() {
+ return mPortrait ? mShortAxisCells : mLongAxisCells;
+ }
+
+ int getCountY() {
+ return mPortrait ? mLongAxisCells : mShortAxisCells;
+ }
+
+ @Override
+ public void requestChildFocus(View child, View focused) {
+ super.requestChildFocus(child, focused);
+ if (child != null) {
+ Rect r = new Rect();
+ child.getDrawingRect(r);
+ requestRectangleOnScreen(r);
+ }
+ }
+
+ @Override
+ protected void onAttachedToWindow() {
+ super.onAttachedToWindow();
+ mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this);
+ }
+
+ @Override
+ public boolean onInterceptTouchEvent(MotionEvent ev) {
+ final int action = ev.getAction();
+ final CellInfo cellInfo = mCellInfo;
+
+ if (action == MotionEvent.ACTION_DOWN) {
+ final Rect frame = mRect;
+ final int x = (int) ev.getX() + mScrollX;
+ final int y = (int) ev.getY() + mScrollY;
+ final int count = getChildCount();
+
+ boolean found = false;
+ for (int i = count - 1; i >= 0; i--) {
+ final View child = getChildAt(i);
+
+ if ((child.getVisibility()) == VISIBLE || child.getAnimation() != null) {
+ child.getHitRect(frame);
+ if (frame.contains(x, y)) {
+ final LayoutParams lp = (LayoutParams) child.getLayoutParams();
+ cellInfo.cell = child;
+ cellInfo.cellX = lp.cellX;
+ cellInfo.cellY = lp.cellY;
+ cellInfo.spanX = lp.cellHSpan;
+ cellInfo.spanY = lp.cellVSpan;
+ cellInfo.valid = true;
+ found = true;
+ break;
+ }
+ }
+ }
+
+ if (!found) {
+ int cellXY[] = mCellXY;
+ pointToCellExact(x, y, cellXY);
+
+ final boolean portrait = mPortrait;
+ final int xCount = portrait ? mShortAxisCells : mLongAxisCells;
+ final int yCount = portrait ? mLongAxisCells : mShortAxisCells;
+
+ final boolean[][] occupied = mOccupied;
+ findOccupiedCells(xCount, yCount, occupied);
+
+ cellInfo.cell = null;
+ cellInfo.cellX = cellXY[0];
+ cellInfo.cellY = cellXY[1];
+ cellInfo.spanX = 1;
+ cellInfo.spanY = 1;
+ cellInfo.valid = cellXY[0] >= 0 && cellXY[1] >= 0 && cellXY[0] < xCount &&
+ cellXY[1] < yCount && !occupied[cellXY[0]][cellXY[1]];
+
+ if (cellInfo.valid) {
+ findIntersectingVacantCells(cellInfo, cellXY[0], cellXY[1],
+ xCount, yCount, occupied);
+ }
+ }
+ setTag(cellInfo);
+ } else if (action == MotionEvent.ACTION_UP) {
+ cellInfo.cell = null;
+ cellInfo.cellX = -1;
+ cellInfo.cellY = -1;
+ cellInfo.spanX = 0;
+ cellInfo.spanY = 0;
+ cellInfo.valid = false;
+ setTag(cellInfo);
+ }
+
+ return false;
+ }
+
+ private static void findIntersectingVacantCells(CellInfo cellInfo, int x, int y,
+ int xCount, int yCount, boolean[][] occupied) {
+
+ cellInfo.maxVacantSpanX = Integer.MIN_VALUE;
+ cellInfo.maxVacantSpanXSpanY = Integer.MIN_VALUE;
+ cellInfo.maxVacantSpanY = Integer.MIN_VALUE;
+ cellInfo.maxVacantSpanYSpanX = Integer.MIN_VALUE;
+ cellInfo.vacantCells = new ArrayList<CellInfo.VacantCell>();
+
+ if (occupied[x][y]) {
+ return;
+ }
+
+ Rect current = new Rect(x, y, x, y);
+ findVacantCell(current, xCount, yCount, occupied, cellInfo);
+ }
+
+ private static void findVacantCell(Rect current, int xCount, int yCount, boolean[][] occupied,
+ CellInfo cellInfo) {
+
+ addVacantCell(current, cellInfo);
+
+ if (current.left > 0) {
+ if (isColumnEmpty(current.left - 1, current.top, current.bottom, occupied)) {
+ current.left--;
+ findVacantCell(current, xCount, yCount, occupied, cellInfo);
+ current.left++;
+ }
+ }
+
+ if (current.right < xCount - 1) {
+ if (isColumnEmpty(current.right + 1, current.top, current.bottom, occupied)) {
+ current.right++;
+ findVacantCell(current, xCount, yCount, occupied, cellInfo);
+ current.right--;
+ }
+ }
+
+ if (current.top > 0) {
+ if (isRowEmpty(current.top - 1, current.left, current.right, occupied)) {
+ current.top--;
+ findVacantCell(current, xCount, yCount, occupied, cellInfo);
+ current.top++;
+ }
+ }
+
+ if (current.bottom < yCount - 1) {
+ if (isRowEmpty(current.bottom + 1, current.left, current.right, occupied)) {
+ current.bottom++;
+ findVacantCell(current, xCount, yCount, occupied, cellInfo);
+ current.bottom--;
+ }
+ }
+ }
+
+ private static void addVacantCell(Rect current, CellInfo cellInfo) {
+ CellInfo.VacantCell cell = new CellInfo.VacantCell();
+ cell.cellX = current.left;
+ cell.cellY = current.top;
+ cell.spanX = current.right - current.left + 1;
+ cell.spanY = current.bottom - current.top + 1;
+ if (cell.spanX > cellInfo.maxVacantSpanX) {
+ cellInfo.maxVacantSpanX = cell.spanX;
+ cellInfo.maxVacantSpanXSpanY = cell.spanY;
+ }
+ if (cell.spanY > cellInfo.maxVacantSpanY) {
+ cellInfo.maxVacantSpanY = cell.spanY;
+ cellInfo.maxVacantSpanYSpanX = cell.spanX;
+ }
+ cellInfo.vacantCells.add(cell);
+ }
+
+ private static boolean isColumnEmpty(int x, int top, int bottom, boolean[][] occupied) {
+ for (int y = top; y <= bottom; y++) {
+ if (occupied[x][y]) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ private static boolean isRowEmpty(int y, int left, int right, boolean[][] occupied) {
+ for (int x = left; x <= right; x++) {
+ if (occupied[x][y]) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ CellInfo findAllVacantCells(boolean[] occupiedCells) {
+ final boolean portrait = mPortrait;
+ final int xCount = portrait ? mShortAxisCells : mLongAxisCells;
+ final int yCount = portrait ? mLongAxisCells : mShortAxisCells;
+
+ boolean[][] occupied = mOccupied;
+
+ if (occupiedCells != null) {
+ for (int y = 0; y < yCount; y++) {
+ for (int x = 0; x < xCount; x++) {
+ occupied[x][y] = occupiedCells[y * xCount + x];
+ }
+ }
+ } else {
+ findOccupiedCells(xCount, yCount, occupied);
+ }
+
+ CellInfo cellInfo = new CellInfo();
+
+ cellInfo.cellX = -1;
+ cellInfo.cellY = -1;
+ cellInfo.spanY = 0;
+ cellInfo.spanX = 0;
+ cellInfo.maxVacantSpanX = Integer.MIN_VALUE;
+ cellInfo.maxVacantSpanXSpanY = Integer.MIN_VALUE;
+ cellInfo.maxVacantSpanY = Integer.MIN_VALUE;
+ cellInfo.maxVacantSpanYSpanX = Integer.MIN_VALUE;
+ cellInfo.vacantCells = new ArrayList<CellInfo.VacantCell>();
+ cellInfo.screen = mCellInfo.screen;
+
+ Rect current = new Rect();
+
+ for (int x = 0; x < xCount; x++) {
+ for (int y = 0; y < yCount; y++) {
+ if (!occupied[x][y]) {
+ current.set(x, y, x, y);
+ findVacantCell(current, xCount, yCount, occupied, cellInfo);
+ occupied[x][y] = true;
+ }
+ }
+ }
+
+ cellInfo.valid = cellInfo.vacantCells.size() > 0;
+ if (cellInfo.valid) {
+ int[] xy = new int[2];
+ if (cellInfo.findCellForSpan(xy, 1, 1)) {
+ cellInfo.cellX = xy[0];
+ cellInfo.cellY = xy[1];
+ cellInfo.spanY = 1;
+ cellInfo.spanX = 1;
+ }
+ }
+
+ return cellInfo;
+ }
+
+ /**
+ * Given a point, return the cell that strictly encloses that point
+ * @param x X coordinate of the point
+ * @param y Y coordinate of the point
+ * @param result Array of 2 ints to hold the x and y coordinate of the cell
+ */
+ void pointToCellExact(int x, int y, int[] result) {
+ final boolean portrait = mPortrait;
+
+ final int hStartPadding = portrait ? mShortAxisStartPadding : mLongAxisStartPadding;
+ final int vStartPadding = portrait ? mLongAxisStartPadding : mShortAxisStartPadding;
+
+ result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap);
+ result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap);
+
+ final int xAxis = portrait ? mShortAxisCells : mLongAxisCells;
+ final int yAxis = portrait ? mLongAxisCells : mShortAxisCells;
+
+ if (result[0] < 0) result[0] = 0;
+ if (result[0] >= xAxis) result[0] = xAxis - 1;
+ if (result[1] < 0) result[1] = 0;
+ if (result[1] >= yAxis) result[1] = yAxis - 1;
+ }
+
+ /**
+ * Given a point, return the cell that most closely encloses that point
+ * @param x X coordinate of the point
+ * @param y Y coordinate of the point
+ * @param result Array of 2 ints to hold the x and y coordinate of the cell
+ */
+ void pointToCellRounded(int x, int y, int[] result) {
+ pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result);
+ }
+
+ /**
+ * Given a cell coordinate, return the point that represents the upper left corner of that cell
+ *
+ * @param cellX X coordinate of the cell
+ * @param cellY Y coordinate of the cell
+ *
+ * @param result Array of 2 ints to hold the x and y coordinate of the point
+ */
+ void cellToPoint(int cellX, int cellY, int[] result) {
+ final boolean portrait = mPortrait;
+
+ final int hStartPadding = portrait ? mShortAxisStartPadding : mLongAxisStartPadding;
+ final int vStartPadding = portrait ? mLongAxisStartPadding : mShortAxisStartPadding;
+
+
+ result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap);
+ result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap);
+ }
+
+ @Override
+ protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+ // TODO: currently ignoring padding
+
+ int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
+ int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);
+
+ int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
+ int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec);
+
+ if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) {
+ throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions");
+ }
+
+ final int shortAxisCells = mShortAxisCells;
+ final int longAxisCells = mLongAxisCells;
+ final int longAxisStartPadding = mLongAxisStartPadding;
+ final int longAxisEndPadding = mLongAxisEndPadding;
+ final int shortAxisStartPadding = mShortAxisStartPadding;
+ final int shortAxisEndPadding = mShortAxisEndPadding;
+ final int cellWidth = mCellWidth;
+ final int cellHeight = mCellHeight;
+
+ mPortrait = heightSpecSize > widthSpecSize;
+
+ int numShortGaps = shortAxisCells - 1;
+ int numLongGaps = longAxisCells - 1;
+
+ if (mPortrait) {
+ int vSpaceLeft = heightSpecSize - longAxisStartPadding - longAxisEndPadding
+ - (cellHeight * longAxisCells);
+ mHeightGap = vSpaceLeft / numLongGaps;
+
+ int hSpaceLeft = widthSpecSize - shortAxisStartPadding - shortAxisEndPadding
+ - (cellWidth * shortAxisCells);
+ if (numShortGaps > 0) {
+ mWidthGap = hSpaceLeft / numShortGaps;
+ } else {
+ mWidthGap = 0;
+ }
+ } else {
+ int hSpaceLeft = widthSpecSize - longAxisStartPadding - longAxisEndPadding
+ - (cellWidth * longAxisCells);
+ mWidthGap = hSpaceLeft / numLongGaps;
+
+ int vSpaceLeft = heightSpecSize - shortAxisStartPadding - shortAxisEndPadding
+ - (cellHeight * shortAxisCells);
+ if (numShortGaps > 0) {
+ mHeightGap = vSpaceLeft / numShortGaps;
+ } else {
+ mHeightGap = 0;
+ }
+ }
+
+ int count = getChildCount();
+
+ for (int i = 0; i < count; i++) {
+ View child = getChildAt(i);
+ LayoutParams lp = (LayoutParams) child.getLayoutParams();
+
+ if (mPortrait) {
+ lp.setup(cellWidth, cellHeight, mWidthGap, mHeightGap, shortAxisStartPadding,
+ longAxisStartPadding);
+ } else {
+ lp.setup(cellWidth, cellHeight, mWidthGap, mHeightGap, longAxisStartPadding,
+ shortAxisStartPadding);
+ }
+
+ int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY);
+ int childheightMeasureSpec =
+ MeasureSpec.makeMeasureSpec(lp.height, MeasureSpec.EXACTLY);
+ child.measure(childWidthMeasureSpec, childheightMeasureSpec);
+ }
+
+ setMeasuredDimension(widthSpecSize, heightSpecSize);
+ }
+
+ @Override
+ protected void onLayout(boolean changed, int l, int t, int r, int b) {
+ int count = getChildCount();
+
+ for (int i = 0; i < count; i++) {
+ View child = getChildAt(i);
+ if (child.getVisibility() != GONE) {
+
+ CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
+
+ int childLeft = lp.x;
+ int childTop = lp.y;
+ child.layout(childLeft, childTop, childLeft + lp.width, childTop + lp.height);
+ }
+ }
+ }
+
+ @Override
+ protected void setChildrenDrawingCacheEnabled(boolean enabled) {
+ final int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ final View view = getChildAt(i);
+ view.setDrawingCacheEnabled(enabled);
+ // Update the drawing caches
+ view.buildDrawingCache();
+ }
+ }
+
+ @Override
+ protected void setChildrenDrawnWithCacheEnabled(boolean enabled) {
+ super.setChildrenDrawnWithCacheEnabled(enabled);
+ }
+
+ boolean acceptChildDrop(int x, int y, int cellHSpan, int cellVSpan, View cell) {
+ int[] cellXY = mCellXY;
+ pointToCellRounded(x, y, cellXY);
+ int cellX = cellXY[0];
+ int cellY = cellXY[1];
+
+ return findCell(cellX, cellY, cellHSpan, cellVSpan, cell) == null;
+ }
+
+ /**
+ * Finds the first View intersecting with the specified cell. If the cell is outside
+ * of the layout, this is returned.
+ *
+ * @param cellX The X location of the cell to test.
+ * @param cellY The Y location of the cell to test.
+ * @param cellHSpan The horizontal span of the cell to test.
+ * @param cellVSpan The vertical span of the cell to test.
+ * @param ignoreCell View to ignore during the test.
+ *
+ * @return Returns the first View intersecting with the specified cell, this if the cell
+ * lies outside of this layout's grid or null if no View was found.
+ */
+ View findCell(int cellX, int cellY, int cellHSpan, int cellVSpan, View ignoreCell) {
+ if (cellX < 0 || cellX + cellHSpan > (mPortrait ? mShortAxisCells : mLongAxisCells) ||
+ cellY < 0 || cellY + cellVSpan > (mPortrait ? mLongAxisCells : mShortAxisCells)) {
+ return this;
+ }
+
+ final int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ final View view = getChildAt(i);
+ if (view == ignoreCell) {
+ continue;
+ }
+
+ final LayoutParams lp = (LayoutParams) view.getLayoutParams();
+ if (cellX < lp.cellX + lp.cellHSpan && lp.cellX < cellX + cellHSpan &&
+ cellY < lp.cellY + lp.cellVSpan && lp.cellY < cellY + cellVSpan) {
+ return view;
+ }
+ }
+
+ return null;
+ }
+
+ /**
+ * Drop a child at the specified position
+ *
+ * @param child The child that is being dropped
+ * @param cellX The child's new x location
+ * @param cellY The child's new y location
+ */
+ void onDropChild(View child, int cellX, int cellY) {
+ int[] cellXY = mCellXY;
+ pointToCellRounded(cellX, cellY, cellXY);
+ LayoutParams lp = (LayoutParams) child.getLayoutParams();
+ lp.cellX = cellXY[0];
+ lp.cellY = cellXY[1];
+ lp.isDragging = false;
+ mDragRect.setEmpty();
+ child.requestLayout();
+ invalidate();
+ }
+
+ void onDropAborted(View child) {
+ if (child != null) {
+ ((LayoutParams) child.getLayoutParams()).isDragging = false;
+ invalidate();
+ }
+ mDragRect.setEmpty();
+ }
+
+ /**
+ * Start dragging the specified child
+ *
+ * @param child The child that is being dragged
+ */
+ void onDragChild(View child) {
+ LayoutParams lp = (LayoutParams) child.getLayoutParams();
+ lp.isDragging = true;
+ mDragRect.setEmpty();
+ }
+
+ /**
+ * Drag a child over the specified position
+ *
+ * @param child The child that is being dropped
+ * @param cellX The child's new x cell location
+ * @param cellY The child's new y cell location
+ */
+ void onDragOverChild(View child, int cellX, int cellY) {
+ int[] cellXY = mCellXY;
+ pointToCellRounded(cellX, cellY, cellXY);
+ LayoutParams lp = (LayoutParams) child.getLayoutParams();
+ cellToRect(cellXY[0], cellXY[1], lp.cellHSpan, lp.cellVSpan, mDragRect);
+ invalidate();
+ }
+
+ /**
+ * Computes a bounding rectangle for a range of cells
+ *
+ * @param cellX X coordinate of upper left corner expressed as a cell position
+ * @param cellY Y coordinate of upper left corner expressed as a cell position
+ * @param cellHSpan Width in cells
+ * @param cellVSpan Height in cells
+ * @param dragRect Rectnagle into which to put the results
+ */
+ public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF dragRect) {
+ final boolean portrait = mPortrait;
+ final int cellWidth = mCellWidth;
+ final int cellHeight = mCellHeight;
+ final int widthGap = mWidthGap;
+ final int heightGap = mHeightGap;
+
+ final int hStartPadding = portrait ? mShortAxisStartPadding : mLongAxisStartPadding;
+ final int vStartPadding = portrait ? mLongAxisStartPadding : mShortAxisStartPadding;
+
+ int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap);
+ int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap);
+
+ int x = hStartPadding + cellX * (cellWidth + widthGap);
+ int y = vStartPadding + cellY * (cellHeight + heightGap);
+
+ dragRect.set(x, y, x + width, y + height);
+ }
+
+ /**
+ * Find the first vacant cell, if there is one.
+ *
+ * @param vacant Holds the x and y coordinate of the vacant cell
+ * @param spanX Horizontal cell span.
+ * @param spanY Vertical cell span.
+ *
+ * @return True if a vacant cell was found
+ */
+ public boolean getVacantCell(int[] vacant, int spanX, int spanY) {
+ final boolean portrait = mPortrait;
+ final int xCount = portrait ? mShortAxisCells : mLongAxisCells;
+ final int yCount = portrait ? mLongAxisCells : mShortAxisCells;
+ final boolean[][] occupied = mOccupied;
+
+ findOccupiedCells(xCount, yCount, occupied);
+
+ return findVacantCell(vacant, spanX, spanY, xCount, yCount, occupied);
+ }
+
+ static boolean findVacantCell(int[] vacant, int spanX, int spanY,
+ int xCount, int yCount, boolean[][] occupied) {
+
+ for (int x = 0; x < xCount; x++) {
+ for (int y = 0; y < yCount; y++) {
+ boolean available = !occupied[x][y];
+out: for (int i = x; i < x + spanX - 1 && x < xCount; i++) {
+ for (int j = y; j < y + spanY - 1 && y < yCount; j++) {
+ available = available && !occupied[i][j];
+ if (!available) break out;
+ }
+ }
+
+ if (available) {
+ vacant[0] = x;
+ vacant[1] = y;
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ boolean[] getOccupiedCells() {
+ final boolean portrait = mPortrait;
+ final int xCount = portrait ? mShortAxisCells : mLongAxisCells;
+ final int yCount = portrait ? mLongAxisCells : mShortAxisCells;
+ final boolean[][] occupied = mOccupied;
+
+ findOccupiedCells(xCount, yCount, occupied);
+
+ final boolean[] flat = new boolean[xCount * yCount];
+ for (int y = 0; y < yCount; y++) {
+ for (int x = 0; x < xCount; x++) {
+ flat[y * xCount + x] = occupied[x][y];
+ }
+ }
+
+ return flat;
+ }
+
+ private void findOccupiedCells(int xCount, int yCount, boolean[][] occupied) {
+ for (int x = 0; x < xCount; x++) {
+ for (int y = 0; y < yCount; y++) {
+ occupied[x][y] = false;
+ }
+ }
+
+ int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ View child = getChildAt(i);
+ if (child instanceof Folder) {
+ continue;
+ }
+ LayoutParams lp = (LayoutParams) child.getLayoutParams();
+
+ for (int x = lp.cellX; x < lp.cellX + lp.cellHSpan && x < xCount; x++) {
+ for (int y = lp.cellY; y < lp.cellY + lp.cellVSpan && y < yCount; y++) {
+ occupied[x][y] = true;
+ }
+ }
+ }
+ }
+
+ @Override
+ public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) {
+ return new CellLayout.LayoutParams(getContext(), attrs);
+ }
+
+ @Override
+ protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
+ return p instanceof CellLayout.LayoutParams;
+ }
+
+ @Override
+ protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) {
+ return new CellLayout.LayoutParams(p);
+ }
+
+ public static class LayoutParams extends ViewGroup.MarginLayoutParams {
+ /**
+ * Horizontal location of the item in the grid.
+ */
+ @ViewDebug.ExportedProperty
+ public int cellX;
+
+ /**
+ * Vertical location of the item in the grid.
+ */
+ @ViewDebug.ExportedProperty
+ public int cellY;
+
+ /**
+ * Number of cells spanned horizontally by the item.
+ */
+ @ViewDebug.ExportedProperty
+ public int cellHSpan;
+
+ /**
+ * Number of cells spanned vertically by the item.
+ */
+ @ViewDebug.ExportedProperty
+ public int cellVSpan;
+
+ /**
+ * Is this item currently being dragged
+ */
+ public boolean isDragging;
+
+ // X coordinate of the view in the layout.
+ @ViewDebug.ExportedProperty
+ int x;
+ // Y coordinate of the view in the layout.
+ @ViewDebug.ExportedProperty
+ int y;
+
+ public LayoutParams(Context c, AttributeSet attrs) {
+ super(c, attrs);
+ cellHSpan = 1;
+ cellVSpan = 1;
+ }
+
+ public LayoutParams(ViewGroup.LayoutParams source) {
+ super(source);
+ cellHSpan = 1;
+ cellVSpan = 1;
+ }
+
+ public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) {
+ super(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
+ this.cellX = cellX;
+ this.cellY = cellY;
+ this.cellHSpan = cellHSpan;
+ this.cellVSpan = cellVSpan;
+ }
+
+ public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap,
+ int hStartPadding, int vStartPadding) {
+
+ final int myCellHSpan = cellHSpan;
+ final int myCellVSpan = cellVSpan;
+ final int myCellX = cellX;
+ final int myCellY = cellY;
+
+ width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) -
+ leftMargin - rightMargin;
+ height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) -
+ topMargin - bottomMargin;
+
+ x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin;
+ y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin;
+ }
+ }
+
+ static final class CellInfo implements ContextMenu.ContextMenuInfo {
+ static final class VacantCell {
+ int cellX;
+ int cellY;
+ int spanX;
+ int spanY;
+
+ @Override
+ public String toString() {
+ return "VacantCell[x=" + cellX + ", y=" + cellY + ", spanX=" + spanX +
+ ", spanY=" + spanY + "]";
+ }
+ }
+
+ View cell;
+ int cellX;
+ int cellY;
+ int spanX;
+ int spanY;
+ int screen;
+ boolean valid;
+
+ ArrayList<VacantCell> vacantCells;
+ int maxVacantSpanX;
+ int maxVacantSpanXSpanY;
+ int maxVacantSpanY;
+ int maxVacantSpanYSpanX;
+
+ void findVacantCellsFromOccupied(boolean[] occupied, int xCount, int yCount) {
+ if (cellX < 0 || cellY < 0) {
+ maxVacantSpanX = maxVacantSpanXSpanY = Integer.MIN_VALUE;
+ maxVacantSpanY = maxVacantSpanYSpanX = Integer.MIN_VALUE;
+ vacantCells = new ArrayList<VacantCell>();
+ return;
+ }
+
+ final boolean[][] unflattened = new boolean[xCount][yCount];
+ for (int y = 0; y < yCount; y++) {
+ for (int x = 0; x < xCount; x++) {
+ unflattened[x][y] = occupied[y * xCount + x];
+ }
+ }
+ CellLayout.findIntersectingVacantCells(this, cellX, cellY, xCount, yCount, unflattened);
+ }
+
+ boolean findCellForSpan(int[] cellXY, int spanX, int spanY) {
+ if (vacantCells == null) {
+ return false;
+ }
+
+ if (this.spanX >= spanX && this.spanY >= spanY) {
+ cellXY[0] = cellX;
+ cellXY[1] = cellY;
+ return true;
+ }
+
+ final ArrayList<VacantCell> list = vacantCells;
+ final int count = list.size();
+ // Look for an exact match first
+ for (int i = 0; i < count; i++) {
+ VacantCell cell = list.get(i);
+ if (cell.spanX == spanX && cell.spanY == spanY) {
+ cellXY[0] = cell.cellX;
+ cellXY[1] = cell.cellY;
+ return true;
+ }
+ }
+
+ // Look for the first cell large enough
+ for (int i = 0; i < count; i++) {
+ VacantCell cell = list.get(i);
+ if (cell.spanX >= spanX && cell.spanY >= spanY) {
+ cellXY[0] = cell.cellX;
+ cellXY[1] = cell.cellY;
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return "Cell[view=" + (cell == null ? "null" : cell.getClass()) + ", x=" + cellX +
+ ", y=" + cellY + "]";
+ }
+ }
+}
+
+
diff --git a/src/com/android/launcher/DeleteZone.java b/src/com/android/launcher/DeleteZone.java
new file mode 100644
index 0000000..ab2b891
--- /dev/null
+++ b/src/com/android/launcher/DeleteZone.java
@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.widget.ImageView;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+import com.android.internal.provider.Settings;
+import android.view.View;
+import android.view.animation.TranslateAnimation;
+import android.view.animation.Animation;
+import android.view.animation.AnimationSet;
+import android.view.animation.AccelerateInterpolator;
+import android.view.animation.AlphaAnimation;
+import android.graphics.RectF;
+import android.graphics.drawable.TransitionDrawable;
+
+public class DeleteZone extends ImageView implements DropTarget, DragController.DragListener {
+ private static final int ORIENTATION_HORIZONTAL = 1;
+ private static final int TRANSITION_DURATION = 250;
+ private static final int ANIMATION_DURATION = 200;
+
+ private Launcher mLauncher;
+ private boolean mTrashMode;
+
+ private AnimationSet mInAnimation;
+ private AnimationSet mOutAnimation;
+ private Animation mHandleInAnimation;
+ private Animation mHandleOutAnimation;
+
+ private int mOrientation;
+ private DragLayer mDragLayer;
+
+ private final RectF mRegion = new RectF();
+ private TransitionDrawable mTransition;
+ private View mHandle;
+
+ public DeleteZone(Context context) {
+ super(context);
+ }
+
+ public DeleteZone(Context context, AttributeSet attrs) {
+ this(context, attrs, 0);
+ }
+
+ public DeleteZone(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+
+ TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DeleteZone, defStyle, 0);
+ mOrientation = a.getInt(R.styleable.DeleteZone_direction, ORIENTATION_HORIZONTAL);
+ a.recycle();
+ }
+
+ @Override
+ protected void onFinishInflate() {
+ super.onFinishInflate();
+ mTransition = (TransitionDrawable) getBackground();
+ }
+
+ public boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ final ItemInfo item = (ItemInfo) dragInfo;
+ // Accept anything except items in the all apps folder
+ return item.container != ItemInfo.NO_ID;
+ }
+
+ public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo) {
+ final ItemInfo item = (ItemInfo) dragInfo;
+ final LauncherModel model = Launcher.getModel();
+ if (item.container == Settings.Favorites.CONTAINER_DESKTOP) {
+ model.removeDesktopItem(item);
+ } else {
+ if (source instanceof UserFolder) {
+ final UserFolder userFolder = (UserFolder) source;
+ final UserFolderInfo userFolderInfo = (UserFolderInfo) userFolder.getInfo();
+ model.removeUserFolderItem(userFolderInfo, item);
+ }
+ }
+ if (item instanceof UserFolderInfo) {
+ final UserFolderInfo userFolderInfo = (UserFolderInfo)item;
+ LauncherModel.deleteUserFolderContentsFromDatabase(mLauncher, userFolderInfo);
+ model.removeUserFolder(userFolderInfo);
+ }
+ LauncherModel.deleteItemFromDatabase(mLauncher, item);
+ }
+
+ public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ mTransition.reverseTransition(TRANSITION_DURATION);
+ }
+
+ public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ }
+
+ public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ mTransition.reverseTransition(TRANSITION_DURATION);
+ }
+
+ public void onDragStart(View v, DragSource source, Object info, int dragAction) {
+ final ItemInfo item = (ItemInfo) info;
+ if (item != null && item.container != ItemInfo.NO_ID) {
+ mTrashMode = true;
+ createAnimations();
+ final int[] location = mLocation;
+ getLocationOnScreen(location);
+ mRegion.set(location[0], location[1], location[0] + mRight - mLeft,
+ location[1] + mBottom - mTop);
+ mDragLayer.setDeleteRegion(mRegion);
+ mTransition.resetTransition();
+ startAnimation(mInAnimation);
+ mHandle.startAnimation(mHandleOutAnimation);
+ setVisibility(VISIBLE);
+ }
+ }
+
+ public void onDragEnd() {
+ if (mTrashMode) {
+ mTrashMode = false;
+ mDragLayer.setDeleteRegion(null);
+ startAnimation(mOutAnimation);
+ mHandle.startAnimation(mHandleInAnimation);
+ setVisibility(GONE);
+ }
+ }
+
+ private void createAnimations() {
+ if (mInAnimation == null) {
+ mInAnimation = new FastAnimationSet();
+ final AnimationSet animationSet = mInAnimation;
+ animationSet.setInterpolator(new AccelerateInterpolator());
+ animationSet.addAnimation(new AlphaAnimation(0.0f, 1.0f));
+ if (mOrientation == ORIENTATION_HORIZONTAL) {
+ animationSet.addAnimation(new TranslateAnimation(Animation.ABSOLUTE, 0.0f,
+ Animation.ABSOLUTE, 0.0f, Animation.RELATIVE_TO_SELF, 1.0f,
+ Animation.RELATIVE_TO_SELF, 0.0f));
+ } else {
+ animationSet.addAnimation(new TranslateAnimation(Animation.RELATIVE_TO_SELF,
+ 1.0f, Animation.RELATIVE_TO_SELF, 0.0f, Animation.ABSOLUTE, 0.0f,
+ Animation.ABSOLUTE, 0.0f));
+ }
+ animationSet.setDuration(ANIMATION_DURATION);
+ }
+ if (mHandleInAnimation == null) {
+ if (mOrientation == ORIENTATION_HORIZONTAL) {
+ mHandleInAnimation = new TranslateAnimation(Animation.ABSOLUTE, 0.0f,
+ Animation.ABSOLUTE, 0.0f, Animation.RELATIVE_TO_SELF, 1.0f,
+ Animation.RELATIVE_TO_SELF, 0.0f);
+ } else {
+ mHandleInAnimation = new TranslateAnimation(Animation.RELATIVE_TO_SELF,
+ 1.0f, Animation.RELATIVE_TO_SELF, 0.0f, Animation.ABSOLUTE, 0.0f,
+ Animation.ABSOLUTE, 0.0f);
+ }
+ mHandleInAnimation.setDuration(ANIMATION_DURATION);
+ }
+ if (mOutAnimation == null) {
+ mOutAnimation = new FastAnimationSet();
+ final AnimationSet animationSet = mOutAnimation;
+ animationSet.setInterpolator(new AccelerateInterpolator());
+ animationSet.addAnimation(new AlphaAnimation(1.0f, 0.0f));
+ if (mOrientation == ORIENTATION_HORIZONTAL) {
+ animationSet.addAnimation(new FastTranslateAnimation(Animation.ABSOLUTE, 0.0f,
+ Animation.ABSOLUTE, 0.0f, Animation.RELATIVE_TO_SELF, 0.0f,
+ Animation.RELATIVE_TO_SELF, 1.0f));
+ } else {
+ animationSet.addAnimation(new FastTranslateAnimation(Animation.RELATIVE_TO_SELF,
+ 0.0f, Animation.RELATIVE_TO_SELF, 1.0f, Animation.ABSOLUTE, 0.0f,
+ Animation.ABSOLUTE, 0.0f));
+ }
+ animationSet.setDuration(ANIMATION_DURATION);
+ }
+ if (mHandleOutAnimation == null) {
+ if (mOrientation == ORIENTATION_HORIZONTAL) {
+ mHandleOutAnimation = new FastTranslateAnimation(Animation.ABSOLUTE, 0.0f,
+ Animation.ABSOLUTE, 0.0f, Animation.RELATIVE_TO_SELF, 0.0f,
+ Animation.RELATIVE_TO_SELF, 1.0f);
+ } else {
+ mHandleOutAnimation = new FastTranslateAnimation(Animation.RELATIVE_TO_SELF,
+ 0.0f, Animation.RELATIVE_TO_SELF, 1.0f, Animation.ABSOLUTE, 0.0f,
+ Animation.ABSOLUTE, 0.0f);
+ }
+ mHandleOutAnimation.setFillAfter(true);
+ mHandleOutAnimation.setDuration(ANIMATION_DURATION);
+ }
+ }
+
+ void setLauncher(Launcher launcher) {
+ mLauncher = launcher;
+ }
+
+ void setDragController(DragLayer dragLayer) {
+ mDragLayer = dragLayer;
+ }
+
+ void setHandle(View view) {
+ mHandle = view;
+ }
+
+ private static class FastTranslateAnimation extends TranslateAnimation {
+ public FastTranslateAnimation(int fromXType, float fromXValue, int toXType, float toXValue,
+ int fromYType, float fromYValue, int toYType, float toYValue) {
+ super(fromXType, fromXValue, toXType, toXValue,
+ fromYType, fromYValue, toYType, toYValue);
+ }
+
+ @Override
+ public boolean willChangeTransformationMatrix() {
+ return true;
+ }
+
+ @Override
+ public boolean willChangeBounds() {
+ return false;
+ }
+ }
+
+ private static class FastAnimationSet extends AnimationSet {
+ FastAnimationSet() {
+ super(false);
+ }
+
+ @Override
+ public boolean willChangeTransformationMatrix() {
+ return true;
+ }
+
+ @Override
+ public boolean willChangeBounds() {
+ return false;
+ }
+ }
+}
diff --git a/src/com/android/launcher/DragController.java b/src/com/android/launcher/DragController.java
new file mode 100644
index 0000000..29cf15a
--- /dev/null
+++ b/src/com/android/launcher/DragController.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.view.View;
+
+/**
+ * Interface for initiating a drag within a view or across multiple views.
+ *
+ */
+public interface DragController {
+
+ /**
+ * Interface to receive notifications when a drag starts or stops
+ */
+ interface DragListener {
+
+ /**
+ * A drag has begun
+ *
+ * @param v The view that is being dragged
+ * @param source An object representing where the drag originated
+ * @param info The data associated with the object that is being dragged
+ * @param dragAction The drag action: either {@link DragController#DRAG_ACTION_MOVE}
+ * or {@link DragController#DRAG_ACTION_COPY}
+ */
+ void onDragStart(View v, DragSource source, Object info, int dragAction);
+
+ /**
+ * The drag has eneded
+ */
+ void onDragEnd();
+ }
+
+ /**
+ * Indicates the drag is a move.
+ */
+ public static int DRAG_ACTION_MOVE = 0;
+
+ /**
+ * Indicates the drag is a copy.
+ */
+ public static int DRAG_ACTION_COPY = 1;
+
+ /**
+ * Starts a drag
+ *
+ * @param v The view that is being dragged
+ * @param source An object representing where the drag originated
+ * @param info The data associated with the object that is being dragged
+ * @param dragAction The drag action: either {@link #DRAG_ACTION_MOVE} or
+ * {@link #DRAG_ACTION_COPY}
+ */
+ void startDrag(View v, DragSource source, Object info, int dragAction);
+
+ /**
+ * Sets the drag listner which will be notified when a drag starts or ends.
+ */
+ void setDragListener(DragListener l);
+
+ /**
+ * Remove a previously installed drag listener.
+ */
+ void removeDragListener(DragListener l);
+}
diff --git a/src/com/android/launcher/DragLayer.java b/src/com/android/launcher/DragLayer.java
new file mode 100644
index 0000000..56140dd
--- /dev/null
+++ b/src/com/android/launcher/DragLayer.java
@@ -0,0 +1,544 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Matrix;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.graphics.Paint;
+import android.graphics.PorterDuffColorFilter;
+import android.graphics.PorterDuff;
+import android.os.Vibrator;
+import android.os.SystemClock;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.KeyEvent;
+import android.widget.FrameLayout;
+
+/**
+ * A ViewGroup that coordinated dragging across its dscendants
+ */
+public class DragLayer extends FrameLayout implements DragController {
+ private static final int SCROLL_DELAY = 600;
+ private static final int SCROLL_ZONE = 20;
+ private static final int VIBRATE_DURATION = 35;
+ private static final int ANIMATION_SCALE_UP_DURATION = 110;
+
+ private static final boolean PROFILE_DRAWING_DURING_DRAG = false;
+
+ // Number of pixels to add to the dragged item for scaling
+ private static final float DRAG_SCALE = 24.0f;
+
+ private boolean mDragging = false;
+ private boolean mShouldDrop;
+ private float mLastMotionX;
+ private float mLastMotionY;
+
+ /**
+ * The bitmap that is currently being dragged
+ */
+ private Bitmap mDragBitmap = null;
+ private View mOriginator;
+
+ private int mBitmapOffsetX;
+ private int mBitmapOffsetY;
+
+ /**
+ * X offset from where we touched on the cell to its upper-left corner
+ */
+ private float mTouchOffsetX;
+
+ /**
+ * Y offset from where we touched on the cell to its upper-left corner
+ */
+ private float mTouchOffsetY;
+
+ /**
+ * Utility rectangle
+ */
+ private Rect mDragRect = new Rect();
+
+ /**
+ * Where the drag originated
+ */
+ private DragSource mDragSource;
+
+ /**
+ * The data associated with the object being dragged
+ */
+ private Object mDragInfo;
+
+ private final Rect mRect = new Rect();
+ private final int[] mDropCoordinates = new int[2];
+
+ private final Vibrator mVibrator = new Vibrator();
+
+ private DragListener mListener;
+
+ private DragScroller mDragScroller;
+
+ private static final int SCROLL_OUTSIDE_ZONE = 0;
+ private static final int SCROLL_WAITING_IN_ZONE = 1;
+
+ private static final int SCROLL_LEFT = 0;
+ private static final int SCROLL_RIGHT = 1;
+
+ private int mScrollState = SCROLL_OUTSIDE_ZONE;
+
+ private ScrollRunnable mScrollRunnable = new ScrollRunnable();
+ private View mIgnoredDropTarget;
+
+ private RectF mDragRegion;
+ private boolean mEnteredRegion;
+ private DropTarget mLastDropTarget;
+
+ private final Paint mTrashPaint = new Paint();
+ private Paint mDragPaint;
+
+ private static final int ANIMATION_STATE_STARTING = 1;
+ private static final int ANIMATION_STATE_RUNNING = 2;
+ private static final int ANIMATION_STATE_DONE = 3;
+
+ private static final int ANIMATION_TYPE_SCALE = 1;
+
+ private float mAnimationFrom;
+ private float mAnimationTo;
+ private int mAnimationDuration;
+ private long mAnimationStartTime;
+ private int mAnimationType;
+ private int mAnimationState = ANIMATION_STATE_DONE;
+
+ /**
+ * Used to create a new DragLayer from XML.
+ *
+ * @param context The application's context.
+ * @param attrs The attribtues set containing the Workspace's customization values.
+ */
+ public DragLayer(Context context, AttributeSet attrs) {
+ super(context, attrs);
+
+ final int srcColor = context.getResources().getColor(R.color.delete_color_filter);
+ mTrashPaint.setColorFilter(new PorterDuffColorFilter(srcColor, PorterDuff.Mode.SRC_ATOP));
+ }
+
+ public void startDrag(View v, DragSource source, Object dragInfo, int dragAction) {
+ if (PROFILE_DRAWING_DURING_DRAG) {
+ android.os.Debug.startMethodTracing("Launcher");
+ }
+
+ if (mListener != null) {
+ mListener.onDragStart(v, source, dragInfo, dragAction);
+ }
+
+ Rect r = mDragRect;
+ r.set(v.getScrollX(), v.getScrollY(), 0, 0);
+
+ offsetDescendantRectToMyCoords(v, r);
+ mTouchOffsetX = mLastMotionX - r.left;
+ mTouchOffsetY = mLastMotionY - r.top;
+
+ v.clearFocus();
+ v.setPressed(false);
+
+ boolean willNotCache = v.willNotCacheDrawing();
+ v.setWillNotCacheDrawing(false);
+ v.buildDrawingCache();
+
+ Bitmap viewBitmap = v.getDrawingCache();
+ int width = viewBitmap.getWidth();
+ int height = viewBitmap.getHeight();
+
+ Matrix scale = new Matrix();
+ float scaleFactor = v.getWidth();
+ scaleFactor = (scaleFactor + DRAG_SCALE) /scaleFactor;
+ scale.setScale(scaleFactor, scaleFactor);
+
+ mAnimationTo = 1.0f;
+ mAnimationFrom = 1.0f / scaleFactor;
+ mAnimationDuration = ANIMATION_SCALE_UP_DURATION;
+ mAnimationState = ANIMATION_STATE_STARTING;
+ mAnimationType = ANIMATION_TYPE_SCALE;
+
+ mDragBitmap = Bitmap.createBitmap(viewBitmap, 0, 0, width, height, scale, true);
+ v.destroyDrawingCache();
+ v.setWillNotCacheDrawing(willNotCache);
+
+ final Bitmap dragBitmap = mDragBitmap;
+ mBitmapOffsetX = (dragBitmap.getWidth() - width) / 2;
+ mBitmapOffsetY = (dragBitmap.getHeight() - height) / 2;
+
+ if (dragAction == DRAG_ACTION_MOVE) {
+ v.setVisibility(GONE);
+ }
+
+ mDragPaint = null;
+ mDragging = true;
+ mShouldDrop = true;
+ mOriginator = v;
+ mDragSource = source;
+ mDragInfo = dragInfo;
+
+ mVibrator.vibrate(VIBRATE_DURATION);
+
+ mEnteredRegion = false;
+
+ invalidate();
+ }
+
+ @Override
+ public boolean dispatchKeyEvent(KeyEvent event) {
+ return mDragging || super.dispatchKeyEvent(event);
+ }
+
+ @Override
+ protected void dispatchDraw(Canvas canvas) {
+ super.dispatchDraw(canvas);
+
+ if (mDragging && mDragBitmap != null) {
+ if (mAnimationState == ANIMATION_STATE_STARTING) {
+ mAnimationStartTime = SystemClock.uptimeMillis();
+ mAnimationState = ANIMATION_STATE_RUNNING;
+ }
+
+ if (mAnimationState == ANIMATION_STATE_RUNNING) {
+ float normalized = (float) (SystemClock.uptimeMillis() - mAnimationStartTime) /
+ mAnimationDuration;
+ if (normalized >= 1.0f) {
+ mAnimationState = ANIMATION_STATE_DONE;
+ }
+ normalized = Math.min(normalized, 1.0f);
+ final float value = mAnimationFrom + (mAnimationTo - mAnimationFrom) * normalized;
+
+ switch (mAnimationType) {
+ case ANIMATION_TYPE_SCALE:
+ final Bitmap dragBitmap = mDragBitmap;
+ canvas.save();
+ canvas.translate(mScrollX + mLastMotionX - mTouchOffsetX - mBitmapOffsetX,
+ mScrollY + mLastMotionY - mTouchOffsetY - mBitmapOffsetY);
+ canvas.translate((dragBitmap.getWidth() * (1.0f - value)) / 2,
+ (dragBitmap.getHeight() * (1.0f - value)) / 2);
+ canvas.scale(value, value);
+ canvas.drawBitmap(dragBitmap, 0.0f, 0.0f, mDragPaint);
+ canvas.restore();
+ break;
+ }
+ } else {
+ canvas.drawBitmap(mDragBitmap,
+ mScrollX + mLastMotionX - mTouchOffsetX - mBitmapOffsetX,
+ mScrollY + mLastMotionY - mTouchOffsetY - mBitmapOffsetY, mDragPaint);
+ }
+ }
+ }
+
+ private void endDrag() {
+ if (mDragging) {
+ mDragging = false;
+ if (mDragBitmap != null) {
+ mDragBitmap.recycle();
+ }
+ if (mOriginator != null) {
+ mOriginator.setVisibility(VISIBLE);
+ }
+ if (mListener != null) {
+ mListener.onDragEnd();
+ }
+ }
+ }
+
+ @Override
+ public boolean onInterceptTouchEvent(MotionEvent ev) {
+ final int action = ev.getAction();
+
+ final float x = ev.getX();
+ final float y = ev.getY();
+
+ switch (action) {
+ case MotionEvent.ACTION_MOVE:
+ break;
+
+ case MotionEvent.ACTION_DOWN:
+ // Remember location of down touch
+ mLastMotionX = x;
+ mLastMotionY = y;
+ mLastDropTarget = null;
+ break;
+
+ case MotionEvent.ACTION_CANCEL:
+ case MotionEvent.ACTION_UP:
+ if (mShouldDrop && drop(x, y)) {
+ mShouldDrop = false;
+ }
+ endDrag();
+ break;
+ }
+
+ return mDragging;
+ }
+
+ @Override
+ public boolean onTouchEvent(MotionEvent ev) {
+ if (!mDragging) {
+ return false;
+ }
+
+ final int action = ev.getAction();
+ final float x = ev.getX();
+ final float y = ev.getY();
+
+ switch (action) {
+ case MotionEvent.ACTION_DOWN:
+
+ // Remember where the motion event started
+ mLastMotionX = x;
+ mLastMotionY = y;
+
+ if ((x < SCROLL_ZONE) || (x > getWidth() - SCROLL_ZONE)) {
+ mScrollState = SCROLL_WAITING_IN_ZONE;
+ postDelayed(mScrollRunnable, SCROLL_DELAY);
+ } else {
+ mScrollState = SCROLL_OUTSIDE_ZONE;
+ }
+
+ break;
+ case MotionEvent.ACTION_MOVE:
+ if (Launcher.sOpenGlEnabled) {
+ mLastMotionX = x;
+ mLastMotionY = y;
+
+ invalidate();
+ } else {
+ final int scrollX = mScrollX;
+ final int scrollY = mScrollY;
+
+ final float touchX = mTouchOffsetX;
+ final float touchY = mTouchOffsetY;
+
+ final int offsetX = mBitmapOffsetX;
+ final int offsetY = mBitmapOffsetY;
+
+ int left = (int) (scrollX + mLastMotionX - touchX - offsetX);
+ int top = (int) (scrollY + mLastMotionY - touchY - offsetY);
+
+ final Bitmap dragBitmap = mDragBitmap;
+ final int width = dragBitmap.getWidth();
+ final int height = dragBitmap.getHeight();
+
+ final Rect rect = mRect;
+ rect.set(left - 1, top - 1, left + width + 1, top + height + 1);
+
+ mLastMotionX = x;
+ mLastMotionY = y;
+
+ left = (int) (scrollX + x - touchX - offsetX);
+ top = (int) (scrollY + y - touchY - offsetY);
+
+ rect.union(left - 1, top - 1, left + width + 1, top + height + 1);
+ invalidate(rect);
+ }
+
+ final int[] coordinates = mDropCoordinates;
+ DropTarget dropTarget = findDropTarget((int) x, (int) y, coordinates);
+ if (dropTarget != null) {
+ if (mLastDropTarget == dropTarget) {
+ dropTarget.onDragOver(mDragSource, coordinates[0], coordinates[1],
+ (int) mTouchOffsetX, (int) mTouchOffsetY, mDragInfo);
+ } else {
+ if (mLastDropTarget != null) {
+ mLastDropTarget.onDragExit(mDragSource, coordinates[0], coordinates[1],
+ (int) mTouchOffsetX, (int) mTouchOffsetY, mDragInfo);
+ }
+ dropTarget.onDragEnter(mDragSource, coordinates[0], coordinates[1],
+ (int) mTouchOffsetX, (int) mTouchOffsetY, mDragInfo);
+ }
+ } else {
+ if (mLastDropTarget != null) {
+ mLastDropTarget.onDragExit(mDragSource, coordinates[0], coordinates[1],
+ (int) mTouchOffsetX, (int) mTouchOffsetY, mDragInfo);
+ }
+ }
+ mLastDropTarget = dropTarget;
+
+ boolean inDragRegion = false;
+ if (mDragRegion != null) {
+ final RectF region = mDragRegion;
+ final boolean inRegion = region.contains(ev.getRawX(), ev.getRawY());
+ if (!mEnteredRegion && inRegion) {
+ mDragPaint = mTrashPaint;
+ mEnteredRegion = true;
+ inDragRegion = true;
+ } else if (mEnteredRegion && !inRegion) {
+ mDragPaint = null;
+ mEnteredRegion = false;
+ }
+ }
+
+ if (!inDragRegion && x < SCROLL_ZONE) {
+ if (mScrollState == SCROLL_OUTSIDE_ZONE) {
+ mScrollState = SCROLL_WAITING_IN_ZONE;
+ mScrollRunnable.setDirection(SCROLL_LEFT);
+ postDelayed(mScrollRunnable, SCROLL_DELAY);
+ }
+ } else if (!inDragRegion && x > getWidth() - SCROLL_ZONE) {
+ if (mScrollState == SCROLL_OUTSIDE_ZONE) {
+ mScrollState = SCROLL_WAITING_IN_ZONE;
+ mScrollRunnable.setDirection(SCROLL_RIGHT);
+ postDelayed(mScrollRunnable, SCROLL_DELAY);
+ }
+ } else {
+ if (mScrollState == SCROLL_WAITING_IN_ZONE) {
+ mScrollState = SCROLL_OUTSIDE_ZONE;
+ mScrollRunnable.setDirection(SCROLL_RIGHT);
+ removeCallbacks(mScrollRunnable);
+ }
+ }
+
+ break;
+ case MotionEvent.ACTION_UP:
+ removeCallbacks(mScrollRunnable);
+ if (mShouldDrop) {
+ drop(x, y);
+ mShouldDrop = false;
+ }
+ endDrag();
+
+ break;
+ case MotionEvent.ACTION_CANCEL:
+ endDrag();
+ }
+
+ return true;
+ }
+
+ private boolean drop(float x, float y) {
+ invalidate();
+
+ final int[] coordinates = mDropCoordinates;
+ DropTarget dropTarget = findDropTarget((int) x, (int) y, coordinates);
+
+ if (dropTarget != null) {
+ dropTarget.onDragExit(mDragSource, coordinates[0], coordinates[1],
+ (int) mTouchOffsetX, (int) mTouchOffsetY, mDragInfo);
+ if (dropTarget.acceptDrop(mDragSource, coordinates[0], coordinates[1],
+ (int) mTouchOffsetX, (int) mTouchOffsetY, mDragInfo)) {
+ dropTarget.onDrop(mDragSource, coordinates[0], coordinates[1],
+ (int) mTouchOffsetX, (int) mTouchOffsetY, mDragInfo);
+ mDragSource.onDropCompleted((View) dropTarget, true);
+ return true;
+ } else {
+ mDragSource.onDropCompleted((View) dropTarget, false);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ DropTarget findDropTarget(int x, int y, int[] dropCoordinates) {
+ return findDropTarget(this, x, y, dropCoordinates);
+ }
+
+ private DropTarget findDropTarget(ViewGroup container, int x, int y, int[] dropCoordinates) {
+ final Rect r = mDragRect;
+ final int count = container.getChildCount();
+ final int scrolledX = x + container.getScrollX();
+ final int scrolledY = y + container.getScrollY();
+ final View ignoredDropTarget = mIgnoredDropTarget;
+
+ for (int i = count - 1; i >= 0; i--) {
+ final View child = container.getChildAt(i);
+ if (child.getVisibility() == VISIBLE && child != ignoredDropTarget) {
+ child.getHitRect(r);
+ if (r.contains(scrolledX, scrolledY)) {
+ DropTarget target = null;
+ if (child instanceof ViewGroup) {
+ x = scrolledX - child.getLeft();
+ y = scrolledY - child.getTop();
+ target = findDropTarget((ViewGroup) child, x, y, dropCoordinates);
+ }
+ if (target == null) {
+ if (child instanceof DropTarget) {
+ dropCoordinates[0] = x;
+ dropCoordinates[1] = y;
+ return (DropTarget) child;
+ }
+ } else {
+ return target;
+ }
+ }
+ }
+ }
+
+ return null;
+ }
+
+ public void setDragScoller(DragScroller scroller) {
+ mDragScroller = scroller;
+ }
+
+ public void setDragListener(DragListener l) {
+ mListener = l;
+ }
+
+ public void removeDragListener(DragListener l) {
+ mListener = null;
+ }
+
+ /**
+ * Specifies the view that must be ignored when looking for a drop target.
+ *
+ * @param view The view that will not be taken into account while looking
+ * for a drop target.
+ */
+ void setIgnoredDropTarget(View view) {
+ mIgnoredDropTarget = view;
+ }
+
+ /**
+ * Specifies the delete region.
+ *
+ * @param region The rectangle in screen coordinates of the delete region.
+ */
+ void setDeleteRegion(RectF region) {
+ mDragRegion = region;
+ }
+
+ private class ScrollRunnable implements Runnable {
+ private int mDirection;
+
+ ScrollRunnable() {
+ }
+
+ public void run() {
+ if (mDragScroller != null) {
+ if (mDirection == SCROLL_LEFT) {
+ mDragScroller.scrollLeft();
+ } else {
+ mDragScroller.scrollRight();
+ }
+ mScrollState = SCROLL_OUTSIDE_ZONE;
+ }
+ }
+
+ void setDirection(int direction) {
+ mDirection = direction;
+ }
+ }
+}
diff --git a/src/com/android/launcher/DragScroller.java b/src/com/android/launcher/DragScroller.java
new file mode 100644
index 0000000..2c18a79
--- /dev/null
+++ b/src/com/android/launcher/DragScroller.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+/**
+ * Handles scrolling while dragging
+ *
+ */
+public interface DragScroller {
+ void scrollLeft();
+ void scrollRight();
+}
diff --git a/src/com/android/launcher/DragSource.java b/src/com/android/launcher/DragSource.java
new file mode 100644
index 0000000..0ac25bb
--- /dev/null
+++ b/src/com/android/launcher/DragSource.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.view.View;
+
+/**
+ * Interface defining an object that can originate a drag.
+ *
+ */
+public interface DragSource {
+ void setDragger(DragController dragger);
+ void onDropCompleted(View target, boolean success);
+}
diff --git a/src/com/android/launcher/DropTarget.java b/src/com/android/launcher/DropTarget.java
new file mode 100644
index 0000000..8129089
--- /dev/null
+++ b/src/com/android/launcher/DropTarget.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+/**
+ * Interface defining an object that can receive a drag.
+ *
+ */
+public interface DropTarget {
+
+ /**
+ * Handle an object being dropped on the DropTarget
+ *
+ * @param source DragSource where the drag started
+ * @param x X coordinate of the drop location
+ * @param y Y coordinate of the drop location
+ * @param xOffset Horizontal offset with the object being dragged where the original touch happened
+ * @param yOffset Vertical offset with the object being dragged where the original touch happened
+ * @param dragInfo Data associated with the object being dragged
+ *
+ */
+ void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo);
+
+ void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo);
+
+ void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo);
+
+ void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo);
+
+ /**
+ * Indicates whether a drop action can occur at the specified location. The method
+ * {@link #onDrop(DragSource, int, int, int, int, Object)} will be invoked on this
+ * drop target only if this method returns true.
+ *
+ * @param source DragSource where the drag started
+ * @param x X coordinate of the drop location
+ * @param y Y coordinate of the drop location
+ * @param xOffset Horizontal offset with the object being dragged where the original touch happened
+ * @param yOffset Vertical offset with the object being dragged where the original touch happened
+ * @param dragInfo Data associated with the object being dragged
+ *
+ * return True if the drop is accepted, false otherwise.
+ */
+ boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo);
+}
diff --git a/src/com/android/launcher/Folder.java b/src/com/android/launcher/Folder.java
new file mode 100644
index 0000000..1a91eb1
--- /dev/null
+++ b/src/com/android/launcher/Folder.java
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.GridView;
+import android.widget.LinearLayout;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.AdapterView.OnItemLongClickListener;
+
+/**
+ * Represents a set of icons chosen by the user or generated by the system.
+ */
+public class Folder extends LinearLayout implements DragSource, OnItemLongClickListener,
+ OnItemClickListener, OnClickListener, View.OnLongClickListener {
+
+ protected GridView mContent;
+ protected DragController mDragger;
+
+ protected Launcher mLauncher;
+
+ protected Button mCloseButton;
+
+ protected FolderInfo mInfo;
+
+ /**
+ * Which item is being dragged
+ */
+ protected ApplicationInfo mDragItem;
+ private boolean mCloneInfo;
+
+ /**
+ * Used to inflate the Workspace from XML.
+ *
+ * @param context The application's context.
+ * @param attrs The attribtues set containing the Workspace's customization values.
+ */
+ public Folder(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ setAlwaysDrawnWithCacheEnabled(false);
+ }
+
+ @Override
+ protected void onFinishInflate() {
+ super.onFinishInflate();
+
+ mContent = (GridView) findViewById(R.id.content);
+ mContent.setOnItemClickListener(this);
+ mContent.setOnItemLongClickListener(this);
+
+ mCloseButton = (Button) findViewById(R.id.close);
+ mCloseButton.setOnClickListener(this);
+ mCloseButton.setOnLongClickListener(this);
+ }
+
+ public void onItemClick(AdapterView parent, View v, int position, long id) {
+ ApplicationInfo app = (ApplicationInfo) parent.getItemAtPosition(position);
+ mLauncher.startActivitySafely(app.intent);
+ }
+
+ public void onClick(View v) {
+ mLauncher.closeFolder(this);
+ }
+
+ public boolean onLongClick(View v) {
+ return false;
+ }
+
+ public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
+ if (!view.isInTouchMode()) {
+ return false;
+ }
+
+ ApplicationInfo app = (ApplicationInfo) parent.getItemAtPosition(position);
+ if (mCloneInfo) {
+ app = new ApplicationInfo(app);
+ }
+
+ mDragger.startDrag(view, this, app, DragController.DRAG_ACTION_COPY);
+ mLauncher.closeFolder(this);
+ mDragItem = app;
+
+ return true;
+ }
+
+ void setCloneInfo(boolean cloneInfo) {
+ mCloneInfo = cloneInfo;
+ }
+
+ public void setDragger(DragController dragger) {
+ mDragger = dragger;
+ }
+
+ public void onDropCompleted(View target, boolean success) {
+ }
+
+ /**
+ * Sets the adapter used to populate the content area. The adapter must only
+ * contains ApplicationInfo items.
+ *
+ * @param adapter The list of applications to display in the folder.
+ */
+ void setContentAdapter(ArrayAdapter<ApplicationInfo> adapter) {
+ mContent.setAdapter(adapter);
+ }
+
+ void setLauncher(Launcher launcher) {
+ mLauncher = launcher;
+ }
+
+ /**
+ * @return the FolderInfo object associated with this folder
+ */
+ FolderInfo getInfo() {
+ return mInfo;
+ }
+
+ // When the folder opens, we need to refresh the GridView's selection by
+ // forcing a layout
+ void onOpen() {
+ mContent.requestLayout();
+ }
+
+ void onClose() {
+ final Workspace workspace = mLauncher.getWorkspace();
+ workspace.getChildAt(workspace.getCurrentScreen()).requestFocus();
+ }
+}
diff --git a/src/com/android/launcher/FolderIcon.java b/src/com/android/launcher/FolderIcon.java
new file mode 100644
index 0000000..d7c623d
--- /dev/null
+++ b/src/com/android/launcher/FolderIcon.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.drawable.Drawable;
+import com.android.internal.provider.Settings;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+
+/**
+ * An icon that can appear on in the workspace representing an {@link UserFolder}.
+ */
+public class FolderIcon extends BubbleTextView implements DropTarget {
+ private UserFolderInfo mInfo;
+ private Launcher mLauncher;
+ private Drawable mCloseIcon;
+ private Drawable mOpenIcon;
+
+ public FolderIcon(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ public FolderIcon(Context context) {
+ super(context);
+ }
+
+ static FolderIcon fromXml(int resId, Launcher launcher, ViewGroup group,
+ UserFolderInfo folderInfo) {
+
+ FolderIcon icon = (FolderIcon) LayoutInflater.from(launcher).inflate(resId, group, false);
+
+ final Resources resources = launcher.getResources();
+ Drawable d = resources.getDrawable(R.drawable.ic_launcher_folder);
+ d = Utilities.createIconThumbnail(d, launcher);
+ icon.mCloseIcon = d;
+ icon.mOpenIcon = resources.getDrawable(R.drawable.ic_launcher_folder_open);
+ icon.setCompoundDrawablesWithIntrinsicBounds(null, d, null, null);
+ icon.setText(folderInfo.title);
+ icon.setTag(folderInfo);
+ icon.setOnClickListener(launcher);
+ icon.mInfo = folderInfo;
+ icon.mLauncher = launcher;
+
+ return icon;
+ }
+
+ public boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ final ItemInfo item = (ItemInfo) dragInfo;
+ final int itemType = item.itemType;
+ return (itemType == Settings.Favorites.ITEM_TYPE_APPLICATION ||
+ itemType == Settings.Favorites.ITEM_TYPE_SHORTCUT)
+ && item.container != mInfo.id;
+ }
+
+ public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo) {
+ final ApplicationInfo item = (ApplicationInfo) dragInfo;
+ // TODO: update open folder that is looking at this data
+ mInfo.add(item);
+ LauncherModel.addOrMoveItemInDatabase(mLauncher, item, mInfo.id, 0, 0, 0);
+ }
+
+ public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ setCompoundDrawablesWithIntrinsicBounds(null, mOpenIcon, null, null);
+ }
+
+ public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ }
+
+ public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ setCompoundDrawablesWithIntrinsicBounds(null, mCloseIcon, null, null);
+ }
+}
diff --git a/src/com/android/launcher/FolderInfo.java b/src/com/android/launcher/FolderInfo.java
new file mode 100644
index 0000000..b226b62
--- /dev/null
+++ b/src/com/android/launcher/FolderInfo.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+
+/**
+ * Represents a folder containing shortcuts or apps.
+ */
+class FolderInfo extends ItemInfo {
+
+ /**
+ * Whether this folder has been opened
+ */
+ boolean opened;
+}
diff --git a/src/com/android/launcher/InstallShortcutReceiver.java b/src/com/android/launcher/InstallShortcutReceiver.java
new file mode 100644
index 0000000..d99e2b4
--- /dev/null
+++ b/src/com/android/launcher/InstallShortcutReceiver.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ContentResolver;
+import android.database.Cursor;
+import com.android.internal.provider.Settings;
+
+public class InstallShortcutReceiver extends BroadcastReceiver {
+ private final int[] mCoordinates = new int[2];
+
+ public void onReceive(Context context, Intent data) {
+ int screen = Launcher.getScreen();
+
+ if (findEmptyCell(context, mCoordinates, screen)) {
+ CellLayout.CellInfo cell = new CellLayout.CellInfo();
+ cell.cellX = mCoordinates[0];
+ cell.cellY = mCoordinates[1];
+ cell.screen = screen;
+
+ Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
+ String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
+
+ if (intent.getAction() == null) {
+ intent.setAction(Intent.ACTION_VIEW);
+ }
+
+ // By default, we allow for duplicate entries (located in
+ // different places)
+ boolean duplicate = data.getBooleanExtra(Launcher.EXTRA_SHORTCUT_DUPLICATE, true);
+ if (duplicate || !LauncherModel.shortcutExists(context, name, intent)) {
+ Launcher.addShortcut(context, data, cell, true);
+ }
+ }
+ }
+
+ private static boolean findEmptyCell(Context context, int[] xy, int screen) {
+ final int xCount = Launcher.NUMBER_CELLS_X;
+ final int yCount = Launcher.NUMBER_CELLS_Y;
+
+ boolean[][] occupied = new boolean[xCount][yCount];
+
+ final ContentResolver cr = context.getContentResolver();
+ Cursor c = cr.query(Settings.Favorites.CONTENT_URI,
+ new String[] { "cellX", "cellY", "spanX", "spanY" }, "screen=?",
+ new String[] { String.valueOf(screen) }, null);
+
+ final int cellXIndex = c.getColumnIndexOrThrow(Settings.Favorites.CELLX);
+ final int cellYIndex = c.getColumnIndexOrThrow(Settings.Favorites.CELLY);
+ final int spanXIndex = c.getColumnIndexOrThrow(Settings.Favorites.SPANX);
+ final int spanYIndex = c.getColumnIndexOrThrow(Settings.Favorites.SPANY);
+
+ try {
+ while (c.moveToNext()) {
+ int cellX = c.getInt(cellXIndex);
+ int cellY = c.getInt(cellYIndex);
+ int spanX = c.getInt(spanXIndex);
+ int spanY = c.getInt(spanYIndex);
+
+ for (int x = cellX; x < cellX + spanX && x < xCount; x++) {
+ for (int y = cellY; y < cellY + spanY && y < yCount; y++) {
+ occupied[x][y] = true;
+ }
+ }
+ }
+ } catch (Exception e) {
+ return false;
+ } finally {
+ c.close();
+ }
+
+ return CellLayout.findVacantCell(xy, 1, 1, xCount, yCount, occupied);
+ }
+}
diff --git a/src/com/android/launcher/ItemInfo.java b/src/com/android/launcher/ItemInfo.java
new file mode 100644
index 0000000..f2ce23d
--- /dev/null
+++ b/src/com/android/launcher/ItemInfo.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import android.content.ContentValues;
+import android.graphics.Bitmap;
+import com.android.internal.provider.Settings;
+import android.util.Log;
+
+
+/**
+ * Represents an item in the launcher.
+ */
+class ItemInfo {
+
+ static final int NO_ID = -1;
+
+ /**
+ * The id in the settings database for this item
+ */
+ long id = NO_ID;
+
+ /**
+ * One of {@link Settings.Favorites#ITEM_TYPE_APPLICATION},
+ * {@link Settings.Favorites#ITEM_TYPE_SHORTCUT},
+ * {@link Settings.Favorites#ITEM_TYPE_USER_FOLDER},
+ * {@link Settings.Favorites#ITEM_TYPE_WIDGET_CLOCK},
+ * {@link Settings.Favorites#ITEM_TYPE_WIDGET_SEARCH} or
+ * {@link Settings.Favorites#ITEM_TYPE_WIDGET_PHOTO_FRAME},
+ */
+ int itemType;
+
+ /**
+ * The id of the container that holds this item. For the desktop, this will be
+ * {@link Settings.Favorites#CONTAINER_DESKTOP}. For the all applications folder it
+ * will be {@link #NO_ID} (since it is not stored in the settings DB). For user folders
+ * it will be the id of the folder.
+ */
+ long container = NO_ID;
+
+ /**
+ * Iindicates the screen in which the shortcut appears.
+ */
+ int screen = -1;
+
+ /**
+ * Indicates the X position of the associated cell.
+ */
+ int cellX = -1;
+
+ /**
+ * Indicates the Y position of the associated cell.
+ */
+ int cellY = -1;
+
+ /**
+ * Indicates the X cell span.
+ */
+ int spanX = 1;
+
+ /**
+ * Indicates the Y cell span.
+ */
+ int spanY = 1;
+
+ ItemInfo() {
+ }
+
+ ItemInfo(ItemInfo info) {
+ id = info.id;
+ cellX = info.cellX;
+ cellY = info.cellY;
+ spanX = info.spanX;
+ spanY = info.spanY;
+ screen = info.screen;
+ itemType = info.itemType;
+ container = info.container;
+ }
+
+ /**
+ * Write the fields of this item to the DB
+ *
+ * @param values
+ */
+ void onAddToDatabase(ContentValues values) {
+ values.put(Settings.Favorites.ITEM_TYPE, itemType);
+ values.put(Settings.Favorites.CONTAINER, container);
+ values.put(Settings.Favorites.SCREEN, screen);
+ values.put(Settings.Favorites.CELLX, cellX);
+ values.put(Settings.Favorites.CELLY, cellY);
+ values.put(Settings.Favorites.SPANX, spanX);
+ values.put(Settings.Favorites.SPANY, spanY);
+ }
+
+ static void writeBitmap(ContentValues values, Bitmap bitmap) {
+ if (bitmap != null) {
+ // Try go guesstimate how much space the icon will take when serialized
+ // to avoid unnecessary allocations/copies during the write.
+ int size = bitmap.getWidth() * bitmap.getHeight() * 4;
+ ByteArrayOutputStream out = new ByteArrayOutputStream(size);
+ try {
+ bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
+ out.flush();
+ out.close();
+
+ values.put(Settings.Favorites.ICON, out.toByteArray());
+ } catch (IOException e) {
+ Log.w("Favorite", "Could not write icon");
+ }
+ }
+ }
+
+}
diff --git a/src/com/android/launcher/Launcher.java b/src/com/android/launcher/Launcher.java
new file mode 100644
index 0000000..2ae5037
--- /dev/null
+++ b/src/com/android/launcher/Launcher.java
@@ -0,0 +1,1593 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Application;
+import android.app.Dialog;
+import android.app.SearchManager;
+import android.app.StatusBarManager;
+import android.content.ActivityNotFoundException;
+import android.content.BroadcastReceiver;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.database.ContentObserver;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.TransitionDrawable;
+import android.hardware.SensorListener;
+import android.hardware.SensorManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Parcelable;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.SystemClock;
+import android.os.SystemProperties;
+import android.provider.Contacts;
+import android.telephony.PhoneNumberUtils;
+import android.text.Selection;
+import android.text.SpannableStringBuilder;
+import android.text.TextUtils;
+import android.text.method.TextKeyListener;
+import android.util.Config;
+import android.util.Log;
+import android.view.Display;
+import android.view.Gravity;
+import android.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.WindowManager;
+import android.view.View.OnLongClickListener;
+import android.widget.EditText;
+import android.widget.ExpandableListView;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+import android.app.IWallpaperService;
+
+import com.android.internal.provider.Settings;
+import com.android.internal.widget.SlidingDrawer;
+
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+
+/**
+ * Default launcher application.
+ */
+public final class Launcher extends Activity implements View.OnClickListener, OnLongClickListener {
+ static final String LOG_TAG = "Launcher";
+
+ private static final boolean PROFILE_STARTUP = false;
+ private static final boolean DEBUG_USER_INTERFACE = false;
+
+ private static final String USE_OPENGL_BY_DEFAULT = "false";
+
+ private static final boolean REMOVE_SHORTCUT_ON_PACKAGE_REMOVE = false;
+
+ // Type: boolean
+ private static final String PROPERTY_USE_OPENGL = "launcher.opengl";
+ // Type: boolean
+ private static final String PROPERTY_USE_SENSORS = "launcher.sensors";
+
+ private static final boolean USE_OPENGL = true;
+ private static final boolean USE_SENSORS = false;
+
+ private static final int WALLPAPER_SCREENS_SPAN = 2;
+
+ private static final int MENU_GROUP_ADD = 1;
+ private static final int MENU_ADD = Menu.FIRST + 1;
+ private static final int MENU_WALLPAPER_SETTINGS = MENU_ADD + 1;
+ private static final int MENU_SEARCH = MENU_WALLPAPER_SETTINGS + 1;
+ private static final int MENU_NOTIFICATIONS = MENU_SEARCH + 1;
+ private static final int MENU_SETTINGS = MENU_NOTIFICATIONS + 1;
+
+ private static final int REQUEST_CREATE_SHORTCUT = 1;
+ private static final int REQUEST_CHOOSE_PHOTO = 2;
+ private static final int REQUEST_UPDATE_PHOTO = 3;
+
+ static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate";
+
+ static final int DEFAULT_SCREN = 1;
+ static final int NUMBER_CELLS_X = 4;
+ static final int NUMBER_CELLS_Y = 4;
+
+ private static final int DIALOG_CREATE_SHORTCUT = 1;
+ static final int DIALOG_RENAME_FOLDER = 2;
+
+ // Type: int
+ private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen";
+ // Type: boolean
+ private static final String RUNTIME_STATE_ALL_APPS_FOLDER = "launcher.all_apps_folder";
+ // Type: long
+ private static final String RUNTIME_STATE_USER_FOLDERS = "launcher.user_folder";
+ // Type: int
+ private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen";
+ // Type: int
+ private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cellX";
+ // Type: int
+ private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cellY";
+ // Type: int
+ private static final String RUNTIME_STATE_PENDING_ADD_SPAN_X = "launcher.add_spanX";
+ // Type: int
+ private static final String RUNTIME_STATE_PENDING_ADD_SPAN_Y = "launcher.add_spanY";
+ // Type: int
+ private static final String RUNTIME_STATE_PENDING_ADD_COUNT_X = "launcher.add_countX";
+ // Type: int
+ private static final String RUNTIME_STATE_PENDING_ADD_COUNT_Y = "launcher.add_countY";
+ // Type: int[]
+ private static final String RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS = "launcher.add_occupied_cells";
+ // Type: boolean
+ private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder";
+ // Type: long
+ private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id";
+
+ private static LauncherModel sModel;
+
+ private static Bitmap sWallpaper;
+
+ // Indicates whether the OpenGL pipeline was enabled, either through
+ // USE_OPENGL_BY_DEFAULT or the system property launcher.opengl
+ static boolean sOpenGlEnabled;
+
+ private static final Object sLock = new Object();
+ private static int sScreen = DEFAULT_SCREN;
+
+ private static WallpaperIntentReceiver sWallpaperReceiver;
+
+ private final BroadcastReceiver mApplicationsReceiver = new ApplicationsIntentReceiver();
+ private final ContentObserver mObserver = new FavoritesChangeObserver();
+
+ private final Handler mHandler = new Handler();
+ private LayoutInflater mInflater;
+
+ private SensorManager mSensorManager;
+ private SensorHandler mSensorHandler;
+
+ private DragLayer mDragLayer;
+ private Workspace mWorkspace;
+
+ private CellLayout.CellInfo mAddItemCellInfo;
+ private CellLayout.CellInfo mMenuAddInfo;
+ private final int[] mCellCoordinates = new int[2];
+ private UserFolderInfo mFolderInfo;
+
+ private SlidingDrawer mDrawer;
+ private TransitionDrawable mHandleIcon;
+ private AllAppsGridView mAllAppsGrid;
+
+ private boolean mDesktopLocked = true;
+ private Bundle mSavedState;
+
+ private SpannableStringBuilder mDefaultKeySsb = null;
+
+ private boolean mDestroyed;
+
+ private boolean mRestoring;
+ private boolean mWaitingForResult;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ dalvik.system.VMRuntime.getRuntime().setMinimumHeapSize(4 * 1024 * 1024);
+
+ super.onCreate(savedInstanceState);
+ mInflater = getLayoutInflater();
+
+ if (PROFILE_STARTUP) {
+ android.os.Debug.startMethodTracing("/sdcard/launcher");
+ }
+
+ setWallpaperDimension();
+
+ enableSensors();
+ enableOpenGL();
+
+ if (sModel == null) {
+ sModel = new LauncherModel();
+ }
+
+ setContentView(R.layout.launcher);
+ setupViews();
+
+ registerIntentReceivers();
+ registerContentObservers();
+
+ mSavedState = savedInstanceState;
+ restoreState(mSavedState);
+
+ if (PROFILE_STARTUP) {
+ android.os.Debug.stopMethodTracing();
+ }
+
+ if (!mRestoring) {
+ startLoaders();
+ }
+
+ // For handling default keys
+ mDefaultKeySsb = new SpannableStringBuilder();
+ Selection.setSelection(mDefaultKeySsb, 0);
+ }
+
+ static int getScreen() {
+ synchronized (sLock) {
+ return sScreen;
+ }
+ }
+
+ static void setScreen(int screen) {
+ synchronized (sLock) {
+ sScreen = screen;
+ }
+ }
+
+ private void startLoaders() {
+ sModel.loadApplications(true, this);
+ sModel.loadUserItems(true, this);
+ mRestoring = false;
+ }
+
+ @Override
+ public void onConfigurationChanged(Configuration newConfig) {
+ super.onConfigurationChanged(newConfig);
+
+ // When MMC/MNC changes, so can applications, so we reload them
+ sModel.loadApplications(false, Launcher.this);
+ }
+
+ private void setWallpaperDimension() {
+ IBinder binder = ServiceManager.getService(WALLPAPER_SERVICE);
+ IWallpaperService wallpaperService = IWallpaperService.Stub.asInterface(binder);
+
+ Display display = getWindowManager().getDefaultDisplay();
+ boolean isPortrait = display.getWidth() < display.getHeight();
+
+ final int width = isPortrait ? display.getWidth() : display.getHeight();
+ final int height = isPortrait ? display.getHeight() : display.getWidth();
+ try {
+ wallpaperService.setDimensionHints(width * WALLPAPER_SCREENS_SPAN, height);
+ } catch (RemoteException e) {
+ // System is dead!
+ }
+ }
+
+ private void enableSensors() {
+ //noinspection PointlessBooleanExpression,ConstantConditions
+ if (USE_SENSORS || "true".equals(SystemProperties.get(PROPERTY_USE_SENSORS, "false"))) {
+ if (Config.LOGD) {
+ Log.d(LOG_TAG, "Launcher activating sensors");
+ }
+ mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
+ mSensorHandler = new SensorHandler();
+ }
+ }
+
+ private void enableOpenGL() {
+ //noinspection PointlessBooleanExpression,ConstantConditions
+ if (USE_OPENGL && "true".equals(SystemProperties.get(PROPERTY_USE_OPENGL,
+ USE_OPENGL_BY_DEFAULT))) {
+ if (Config.LOGD) {
+ Log.d(LOG_TAG, "Launcher starting in OpenGL");
+ }
+ //requestWindowFeature(Window.FEATURE_OPENGL);
+ //sOpenGlEnabled = true;
+ } else {
+ sOpenGlEnabled = false;
+ }
+ }
+
+ @Override
+ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+ if (resultCode == RESULT_OK && mAddItemCellInfo != null) {
+ switch (requestCode) {
+ case REQUEST_CREATE_SHORTCUT:
+ completeAddShortcut(data, mAddItemCellInfo, !mDesktopLocked);
+ break;
+ case REQUEST_CHOOSE_PHOTO:
+ completeAddPhotoFrame(data, mAddItemCellInfo);
+ break;
+ case REQUEST_UPDATE_PHOTO:
+ completeUpdatePhotoFrame(data, mAddItemCellInfo);
+ break;
+ }
+ }
+ mWaitingForResult = false;
+ }
+
+ @Override
+ protected void onResume() {
+ super.onResume();
+
+ if (mRestoring) {
+ startLoaders();
+ }
+
+ if (mSensorManager != null) {
+ mSensorManager.registerListener(mSensorHandler, SensorManager.SENSOR_ACCELEROMETER);
+ }
+ }
+
+ @Override
+ protected void onStop() {
+ if (mSensorManager != null) {
+ mSensorManager.unregisterListener(mSensorHandler);
+ }
+
+ super.onStop();
+ }
+
+ @Override
+ public boolean onKeyUp(int keyCode, KeyEvent event) {
+ boolean handled = super.onKeyUp(keyCode, event);
+ if (keyCode == KeyEvent.KEYCODE_SEARCH) {
+ handled = mWorkspace.snapToSearch();
+ }
+ return handled;
+ }
+
+ @Override
+ public boolean onKeyDown(int keyCode, KeyEvent event) {
+ boolean handled = super.onKeyDown(keyCode, event);
+ if (!handled && keyCode != KeyEvent.KEYCODE_ENTER) {
+ boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb,
+ keyCode, event);
+ if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) {
+ // something usable has been typed - dispatch it now.
+ final String str = mDefaultKeySsb.toString();
+
+ boolean isDialable = true;
+ final int count = str.length();
+ for (int i = 0; i < count; i++) {
+ if (!PhoneNumberUtils.isReallyDialable(str.charAt(i))) {
+ isDialable = false;
+ break;
+ }
+ }
+ Intent intent;
+ if (isDialable) {
+ intent = new Intent(Intent.ACTION_DIAL, Uri.fromParts("tel", str, null));
+ } else {
+ intent = new Intent(Contacts.Intents.UI.FILTER_CONTACTS_ACTION);
+ intent.putExtra(Contacts.Intents.UI.FILTER_TEXT_EXTRA_KEY, str);
+ }
+
+ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ try {
+ startActivity(intent);
+ } catch (android.content.ActivityNotFoundException ex) {
+ // Oh well... no one knows how to filter/dial. Life goes on.
+ }
+
+ mDefaultKeySsb.clear();
+ mDefaultKeySsb.clearSpans();
+ Selection.setSelection(mDefaultKeySsb, 0);
+
+ return true;
+ }
+ }
+
+ return handled;
+ }
+
+ /**
+ * Restores the previous state, if it exists.
+ *
+ * @param savedState The previous state.
+ */
+ private void restoreState(Bundle savedState) {
+ if (savedState == null) {
+ return;
+ }
+
+ final int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1);
+ if (currentScreen > -1) {
+ mWorkspace.setCurrentScreen(currentScreen);
+ }
+
+ final int addScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1);
+ if (addScreen > -1) {
+ mAddItemCellInfo = new CellLayout.CellInfo();
+ final CellLayout.CellInfo addItemCellInfo = mAddItemCellInfo;
+ addItemCellInfo.valid = true;
+ addItemCellInfo.screen = addScreen;
+ addItemCellInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X);
+ addItemCellInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y);
+ addItemCellInfo.spanX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_X);
+ addItemCellInfo.spanY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y);
+ addItemCellInfo.findVacantCellsFromOccupied(
+ savedState.getBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS),
+ savedState.getInt(RUNTIME_STATE_PENDING_ADD_COUNT_X),
+ savedState.getInt(RUNTIME_STATE_PENDING_ADD_COUNT_Y));
+ mRestoring = true;
+ }
+
+
+ boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false);
+ if (renameFolder) {
+ long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID);
+ mFolderInfo = sModel.getFolderById(this, id);
+ mRestoring = true;
+ }
+ }
+
+ /**
+ * Finds all the views we need and configure them properly.
+ */
+ private void setupViews() {
+ mDragLayer = (DragLayer) findViewById(R.id.drag_layer);
+ final DragLayer dragLayer = mDragLayer;
+
+ mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace);
+ final Workspace workspace = mWorkspace;
+
+ mDrawer = (SlidingDrawer) dragLayer.findViewById(R.id.drawer);
+ final SlidingDrawer drawer = mDrawer;
+
+ mAllAppsGrid = (AllAppsGridView) drawer.getContent();
+ final AllAppsGridView grid = mAllAppsGrid;
+
+ final DeleteZone deleteZone = (DeleteZone) dragLayer.findViewById(R.id.delete_zone);
+
+ final ImageView handleIcon = (ImageView) drawer.findViewById(R.id.all_apps);
+ mHandleIcon = (TransitionDrawable) handleIcon.getDrawable();
+ mHandleIcon.setCrossFadeEnabled(true);
+
+ drawer.lock();
+ final DrawerManager drawerManager = new DrawerManager();
+ drawer.setOnDrawerOpenListener(drawerManager);
+ drawer.setOnDrawerCloseListener(drawerManager);
+ drawer.setOnDrawerScrollListener(drawerManager);
+
+ grid.setTextFilterEnabled(true);
+ grid.setDragger(dragLayer);
+ grid.setLauncher(this);
+ if (sOpenGlEnabled) {
+ grid.setScrollingCacheEnabled(false);
+ grid.setFadingEdgeLength(0);
+ }
+
+ workspace.setOnLongClickListener(this);
+ workspace.setDragger(dragLayer);
+ workspace.setLauncher(this);
+ loadWallpaper();
+
+ deleteZone.setLauncher(this);
+ deleteZone.setDragController(dragLayer);
+ deleteZone.setHandle(handleIcon);
+
+ dragLayer.setIgnoredDropTarget(grid);
+ dragLayer.setDragScoller(workspace);
+ dragLayer.setDragListener(deleteZone);
+
+ if (DEBUG_USER_INTERFACE) {
+ android.widget.Button finishButton = new android.widget.Button(this);
+ finishButton.setText("Finish");
+ workspace.addInScreen(finishButton, 1, 0, 0, 1, 1);
+
+ finishButton.setOnClickListener(new android.widget.Button.OnClickListener() {
+ public void onClick(View v) {
+ finish();
+ }
+ });
+ }
+ }
+
+ /**
+ * Creates a view representing a shortcut.
+ *
+ * @param info The data structure describing the shortcut.
+ *
+ * @return A View inflated from R.layout.application.
+ */
+ View createShortcut(ApplicationInfo info) {
+ return createShortcut(R.layout.application,
+ (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), info);
+ }
+
+ /**
+ * Creates a view representing a shortcut inflated from the specified resource.
+ *
+ * @param layoutResId The id of the XML layout used to create the shortcut.
+ * @param parent The group the shortcut belongs to.
+ * @param info The data structure describing the shortcut.
+ *
+ * @return A View inflated from layoutResId.
+ */
+ View createShortcut(int layoutResId, ViewGroup parent, ApplicationInfo info) {
+ TextView favorite = (TextView) mInflater.inflate(layoutResId, parent, false);
+
+ if (!info.filtered) {
+ info.icon = Utilities.createIconThumbnail(info.icon, this);
+ info.filtered = true;
+ }
+
+ favorite.setCompoundDrawablesWithIntrinsicBounds(null, info.icon, null, null);
+ favorite.setText(info.title);
+ favorite.setTag(info);
+ favorite.setOnClickListener(this);
+
+ return favorite;
+ }
+
+ void addApplicationShortcut(ApplicationInfo info) {
+ mAddItemCellInfo.screen = mWorkspace.getCurrentScreen();
+ mWorkspace.addApplicationShortcut(info, mAddItemCellInfo);
+ }
+
+ /**
+ * Add a shortcut to the workspace.
+ *
+ * @param data The intent describing the shortcut.
+ * @param cellInfo The position on screen where to create the shortcut.
+ * @param insertAtFirst
+ */
+ private void completeAddShortcut(Intent data, CellLayout.CellInfo cellInfo,
+ boolean insertAtFirst) {
+
+ cellInfo.screen = mWorkspace.getCurrentScreen();
+ final ApplicationInfo info = addShortcut(this, data, cellInfo, false);
+
+ if (!mRestoring) {
+ sModel.addDesktopItem(info);
+
+ final View view = createShortcut(info);
+ mWorkspace.addInCurrentScreen(view, cellInfo.cellX, cellInfo.cellY, 1, 1, insertAtFirst);
+ } else if (sModel.isDesktopLoaded()) {
+ sModel.addDesktopItem(info);
+ }
+ }
+
+ static ApplicationInfo addShortcut(Context context, Intent data,
+ CellLayout.CellInfo cellInfo, boolean notify) {
+
+ Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
+ String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
+ Bitmap bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON);
+
+ Drawable icon = null;
+ boolean filtered = false;
+ boolean customIcon = false;
+ Intent.ShortcutIconResource iconResource = null;
+
+ if (bitmap != null) {
+ icon = new BitmapDrawable(Utilities.createBitmapThumbnail(bitmap, context));
+ filtered = true;
+ customIcon = true;
+ } else {
+ Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE);
+ if (extra != null && extra instanceof Intent.ShortcutIconResource) {
+ try {
+ iconResource = (Intent.ShortcutIconResource) extra;
+ final PackageManager packageManager = context.getPackageManager();
+ Resources resources = packageManager.getResourcesForApplication(
+ iconResource.packageName);
+ final int id = resources.getIdentifier(iconResource.resourceName, null, null);
+ icon = resources.getDrawable(id);
+ } catch (Exception e) {
+ Log.w(LOG_TAG, "Could not load shortcut icon: " + extra);
+ }
+ }
+ }
+
+ if (icon == null) {
+ icon = context.getPackageManager().getDefaultActivityIcon();
+ }
+
+ final ApplicationInfo info = new ApplicationInfo();
+ info.icon = icon;
+ info.filtered = filtered;
+ info.title = name;
+ info.intent = intent;
+ info.customIcon = customIcon;
+ info.iconResource = iconResource;
+
+ LauncherModel.addItemToDatabase(context, info, Settings.Favorites.CONTAINER_DESKTOP,
+ cellInfo.screen, cellInfo.cellX, cellInfo.cellY, notify);
+ return info;
+ }
+
+ /**
+ * Add a PhotFrame to the workspace.
+ *
+ * @param data The intent describing the photo.
+ * @param cellInfo The position on screen where to create the shortcut.
+ */
+ private void completeAddPhotoFrame(Intent data, CellLayout.CellInfo cellInfo) {
+ final Bundle extras = data.getExtras();
+ if (extras != null) {
+ Bitmap photo = extras.getParcelable("data");
+
+ Widget info = Widget.makePhotoFrame();
+ info.photo = photo;
+
+ final int[] xy = mCellCoordinates;
+ if (!findSlot(cellInfo, xy, info.spanX, info.spanY)) return;
+
+ LauncherModel.addItemToDatabase(this, info, Settings.Favorites.CONTAINER_DESKTOP,
+ mWorkspace.getCurrentScreen(), xy[0], xy[1], false);
+
+ if (!mRestoring) {
+ sModel.addDesktopItem(info);
+
+ final PhotoFrame view = (PhotoFrame) mInflater.inflate(info.layoutResource, null);
+ view.setImageBitmap(photo);
+ view.setTag(info);
+
+ mWorkspace.addInCurrentScreen(view, xy[0], xy[1], info.spanX, info.spanY);
+ } else if (sModel.isDesktopLoaded()) {
+ sModel.addDesktopItem(info);
+ }
+ }
+ }
+
+ /**
+ * Updates a workspace PhotoFrame.
+ *
+ * @param data The intent describing the photo.
+ * @param cellInfo The position on screen of the PhotoFrame to update.
+ */
+ private void completeUpdatePhotoFrame(Intent data, CellLayout.CellInfo cellInfo) {
+ final Bundle extras = data.getExtras();
+ if (extras != null) {
+ Widget info;
+ Bitmap photo = extras.getParcelable("data");
+
+ if (!mRestoring) {
+ final CellLayout layout = (CellLayout) mWorkspace.getChildAt(cellInfo.screen);
+ final PhotoFrame view = (PhotoFrame) layout.findCell(cellInfo.cellX, cellInfo.cellY,
+ cellInfo.spanX, cellInfo.spanY, null);
+ view.setImageBitmap(photo);
+ info = (Widget) view.getTag();
+ } else {
+ info = LauncherModel.getPhotoFrameInfo(this, cellInfo.screen,
+ cellInfo.cellX, cellInfo.cellY);
+ }
+
+ info.photo = photo;
+ LauncherModel.updateItemInDatabase(this, info);
+ }
+ }
+
+ /**
+ * Starts a new Intent to let the user update the PhotoFrame defined by the
+ * specified Widget.
+ *
+ * @param widget The Widget info defining which PhotoFrame to update.
+ */
+ void updatePhotoFrame(Widget widget) {
+ CellLayout.CellInfo info = new CellLayout.CellInfo();
+ info.screen = widget.screen;
+ info.cellX = widget.cellX;
+ info.cellY = widget.cellY;
+ info.spanX = widget.spanX;
+ info.spanY = widget.spanY;
+ mAddItemCellInfo = info;
+
+ startActivityForResult(createPhotoPickIntent(), Launcher.REQUEST_UPDATE_PHOTO);
+ }
+
+ /**
+ * Creates an Intent used to let the user pick a photo for a PhotoFrame.
+ *
+ * @return The Intent to pick a photo suited for a PhotoFrame.
+ */
+ private static Intent createPhotoPickIntent() {
+ // TODO: Move this method to PhotoFrame?
+ // TODO: get these values from constants somewhere
+ // TODO: Adjust the PhotoFrame's image size to avoid on the fly scaling
+ Intent intent = new Intent(Intent.ACTION_GET_CONTENT, null);
+ intent.setType("image/*");
+ intent.putExtra("crop", "true");
+ intent.putExtra("aspectX", 1);
+ intent.putExtra("aspectY", 1);
+ intent.putExtra("outputX", 192);
+ intent.putExtra("outputY", 192);
+ intent.putExtra("noFaceDetection", true);
+ intent.putExtra("return-data", true);
+ return intent;
+ }
+
+ @Override
+ protected void onNewIntent(Intent intent) {
+ super.onNewIntent(intent);
+
+ // Close the menu
+ if (Intent.ACTION_MAIN.equals(intent.getAction())) {
+ getWindow().closeAllPanels();
+
+ try {
+ dismissDialog(DIALOG_CREATE_SHORTCUT);
+ // Unlock the workspace if the dialog was showing
+ mWorkspace.unlock();
+ } catch (Exception e) {
+ // An exception is thrown if the dialog is not visible, which is fine
+ }
+
+ try {
+ dismissDialog(DIALOG_RENAME_FOLDER);
+ // Unlock the workspace if the dialog was showing
+ mWorkspace.unlock();
+ } catch (Exception e) {
+ // An exception is thrown if the dialog is not visible, which is fine
+ }
+
+ // If we are already in front we go back to the default screen,
+ // otherwise we don't
+ if ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) !=
+ Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) {
+ if (!mWorkspace.isDefaultScreenShowing()) {
+ mWorkspace.moveToDefaultScreen();
+ }
+ closeDrawer();
+ } else {
+ closeDrawer(false);
+ }
+ }
+ }
+
+ @Override
+ protected void onSaveInstanceState(Bundle outState) {
+ outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentScreen());
+
+ final ArrayList<Folder> folders = mWorkspace.getOpenFolders();
+ if (folders.size() > 0) {
+ final int count = folders.size();
+ long[] ids = new long[count];
+ for (int i = 0; i < count; i++) {
+ final FolderInfo info = folders.get(i).getInfo();
+ ids[i] = info.id;
+ }
+ outState.putLongArray(RUNTIME_STATE_USER_FOLDERS, ids);
+ } else {
+ super.onSaveInstanceState(outState);
+ }
+
+ if (mDrawer.isOpened()) {
+ outState.putBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, true);
+ }
+
+ if (mAddItemCellInfo != null && mAddItemCellInfo.valid && mWaitingForResult) {
+ final CellLayout.CellInfo addItemCellInfo = mAddItemCellInfo;
+ final CellLayout layout = (CellLayout) mWorkspace.getChildAt(addItemCellInfo.screen);
+
+ outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, addItemCellInfo.screen);
+ outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, addItemCellInfo.cellX);
+ outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, addItemCellInfo.cellY);
+ outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_X, addItemCellInfo.spanX);
+ outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y, addItemCellInfo.spanY);
+ outState.putInt(RUNTIME_STATE_PENDING_ADD_COUNT_X, layout.getCountX());
+ outState.putInt(RUNTIME_STATE_PENDING_ADD_COUNT_Y, layout.getCountY());
+ outState.putBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS,
+ layout.getOccupiedCells());
+ }
+
+ if (mFolderInfo != null && mWaitingForResult) {
+ outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true);
+ outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id);
+ }
+ }
+
+ @Override
+ public void onDestroy() {
+ mDestroyed = true;
+
+ super.onDestroy();
+
+ TextKeyListener.getInstance().release();
+
+ mAllAppsGrid.clearTextFilter();
+ mAllAppsGrid.setAdapter(null);
+ sModel.unbind();
+ sModel.abortLoaders();
+
+ getContentResolver().unregisterContentObserver(mObserver);
+ unregisterReceiver(mApplicationsReceiver);
+ }
+
+ @Override
+ public void startActivityForResult(Intent intent, int requestCode) {
+ mWaitingForResult = true;
+ super.startActivityForResult(intent, requestCode);
+ }
+
+ @Override
+ public boolean onCreateOptionsMenu(Menu menu) {
+ if (mDesktopLocked) return false;
+
+ super.onCreateOptionsMenu(menu);
+ menu.add(MENU_GROUP_ADD, MENU_ADD, 0, R.string.menu_add)
+ .setIcon(android.R.drawable.ic_menu_add)
+ .setAlphabeticShortcut('A');
+ menu.add(0, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper)
+ .setIcon(R.drawable.ic_menu_gallery)
+ .setAlphabeticShortcut('W');
+ menu.add(0, MENU_SEARCH, 0, R.string.menu_search)
+ .setIcon(android.R.drawable.ic_search_category_default)
+ .setAlphabeticShortcut(SearchManager.MENU_KEY);
+ menu.add(0, MENU_NOTIFICATIONS, 0, R.string.menu_notifications)
+ .setIcon(R.drawable.ic_menu_notifications)
+ .setAlphabeticShortcut('N');
+
+ final Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS);
+ settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+ | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
+
+ menu.add(0, MENU_SETTINGS, 0, R.string.menu_settings)
+ .setIcon(R.drawable.ic_menu_preferences).setAlphabeticShortcut('P')
+ .setIntent(settings);
+
+ return true;
+ }
+
+ @Override
+ public boolean onPrepareOptionsMenu(Menu menu) {
+ super.onPrepareOptionsMenu(menu);
+
+ mMenuAddInfo = mWorkspace.findAllVacantCells(null);
+ menu.setGroupEnabled(MENU_GROUP_ADD, mMenuAddInfo != null && mMenuAddInfo.valid);
+
+ return true;
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ switch (item.getItemId()) {
+ case MENU_ADD:
+ addItems();
+ return true;
+ case MENU_WALLPAPER_SETTINGS:
+ startWallpaper();
+ return true;
+ case MENU_SEARCH:
+ if (!mWorkspace.snapToSearch()) {
+ onSearchRequested();
+ }
+ return true;
+ case MENU_NOTIFICATIONS:
+ showNotifications();
+ return true;
+ }
+
+ return super.onOptionsItemSelected(item);
+ }
+
+ private void addItems() {
+ showAddDialog(mMenuAddInfo);
+ }
+
+ private void removeShortcutsForPackage(String packageName) {
+ if (packageName != null && packageName.length() > 0) {
+ android.util.Log.d(LOG_TAG, packageName);
+ mWorkspace.removeShortcutsForPackage(packageName);
+ }
+ }
+
+ void addShortcut(Intent intent) {
+ startActivityForResult(intent, REQUEST_CREATE_SHORTCUT);
+ }
+
+ void addFolder() {
+ UserFolderInfo folderInfo = new UserFolderInfo();
+ folderInfo.title = getText(R.string.folder_name);
+ int cellX = mAddItemCellInfo.cellX;
+ int cellY = mAddItemCellInfo.cellY;
+
+ // Update the model
+ LauncherModel.addItemToDatabase(this, folderInfo, Settings.Favorites.CONTAINER_DESKTOP,
+ mWorkspace.getCurrentScreen(), cellX, cellY, false);
+ sModel.addDesktopItem(folderInfo);
+ sModel.addUserFolder(folderInfo);
+
+ // Create the view
+ FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this,
+ (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), folderInfo);
+ mWorkspace.addInCurrentScreen(newFolder, cellX, cellY, 1, 1);
+ }
+
+ void getPhotoForPhotoFrame() {
+ startActivityForResult(createPhotoPickIntent(), REQUEST_CHOOSE_PHOTO);
+ }
+
+ void addClock() {
+ final Widget info = Widget.makeClock();
+ addWidget(info);
+ }
+
+ void addSearch() {
+ final Widget info = Widget.makeSearch();
+ addWidget(info);
+ }
+
+ private void addWidget(final Widget info) {
+ final CellLayout.CellInfo cellInfo = mAddItemCellInfo;
+
+ final int[] xy = mCellCoordinates;
+ final int spanX = info.spanX;
+ final int spanY = info.spanY;
+
+ if (!findSlot(cellInfo, xy, spanX, spanY)) return;
+
+ sModel.addDesktopItem(info);
+ LauncherModel.addItemToDatabase(this, info, Settings.Favorites.CONTAINER_DESKTOP,
+ mWorkspace.getCurrentScreen(), xy[0], xy[1], false);
+
+ final View view = mInflater.inflate(info.layoutResource, null);
+ view.setTag(info);
+
+ mWorkspace.addInCurrentScreen(view, xy[0], xy[1], info.spanX, spanY);
+ }
+
+ private boolean findSlot(CellLayout.CellInfo cellInfo, int[] xy, int spanX, int spanY) {
+ if (!cellInfo.findCellForSpan(xy, spanX, spanY)) {
+ boolean[] occupied = mSavedState != null ?
+ mSavedState.getBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS) : null;
+ cellInfo = mWorkspace.findAllVacantCells(occupied);
+ if (!cellInfo.findCellForSpan(xy, spanX, spanY)) {
+ Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show();
+ return false;
+ }
+ }
+ return true;
+ }
+
+ private void showNotifications() {
+ final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE);
+ if (statusBar != null) {
+ statusBar.expand();
+ }
+ }
+
+ private void startWallpaper() {
+ final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER);
+ startActivity(Intent.createChooser(pickWallpaper, getString(R.string.chooser_wallpaper)));
+ }
+
+ /**
+ * Registers various intent receivers. The current implementation registers
+ * only a wallpaper intent receiver to let other applications change the
+ * wallpaper.
+ */
+ private void registerIntentReceivers() {
+ if (sWallpaperReceiver == null) {
+ final Application application = getApplication();
+
+ sWallpaperReceiver = new WallpaperIntentReceiver(application, this);
+
+ IntentFilter filter = new IntentFilter(Intent.ACTION_WALLPAPER_CHANGED);
+ application.registerReceiver(sWallpaperReceiver, filter);
+ } else {
+ sWallpaperReceiver.setLauncher(this);
+ }
+
+ IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
+ filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
+ filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
+ filter.addDataScheme("package");
+ registerReceiver(mApplicationsReceiver, filter);
+ }
+
+ /**
+ * Registers various content observers. The current implementation registers
+ * only a favorites observer to keep track of the favorites applications.
+ */
+ private void registerContentObservers() {
+ ContentResolver resolver = getContentResolver();
+ resolver.registerContentObserver(Settings.Favorites.CONTENT_URI, true, mObserver);
+ }
+
+ @Override
+ public boolean dispatchKeyEvent(KeyEvent event) {
+ if (event.getAction() == KeyEvent.ACTION_DOWN) {
+ switch (event.getKeyCode()) {
+ case KeyEvent.KEYCODE_BACK:
+ mWorkspace.dispatchKeyEvent(event);
+ closeFolder();
+ closeDrawer();
+ return true;
+ case KeyEvent.KEYCODE_HOME:
+ return true;
+ }
+ }
+
+ return super.dispatchKeyEvent(event);
+ }
+
+ private void closeDrawer() {
+ closeDrawer(true);
+ }
+
+ private void closeDrawer(boolean animated) {
+ if (mDrawer.isOpened()) {
+ if (animated) {
+ mDrawer.animateClose();
+ } else {
+ mDrawer.close();
+ }
+ if (mDrawer.hasFocus()) {
+ mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus();
+ }
+ }
+ }
+
+ private void closeFolder() {
+ Folder folder = mWorkspace.getOpenFolder();
+ if (folder != null) {
+ closeFolder(folder);
+ }
+ }
+
+ void closeFolder(Folder folder) {
+ folder.getInfo().opened = false;
+ ViewGroup parent = (ViewGroup) folder.getParent();
+ if (parent != null) {
+ parent.removeView(folder);
+ }
+ folder.onClose();
+ }
+
+ /**
+ * When the notification that favorites have changed is received, requests
+ * a favorites list refresh.
+ */
+ private void onFavoritesChanged() {
+ mDesktopLocked = true;
+ mDrawer.lock();
+ sModel.loadUserItems(false, this);
+ }
+
+ void onDesktopItemsLoaded() {
+ if (mDestroyed) return;
+
+ bindDesktopItems();
+ mAllAppsGrid.setAdapter(Launcher.getModel().getApplicationsAdapter());
+
+ if (mSavedState != null) {
+ mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus();
+
+ final long[] userFolders = mSavedState.getLongArray(RUNTIME_STATE_USER_FOLDERS);
+ if (userFolders != null) {
+ for (long folderId : userFolders) {
+ final UserFolderInfo info = sModel.findFolderById(folderId);
+ if (info != null) {
+ openUserFolder(info);
+ }
+ }
+ final Folder openFolder = mWorkspace.getOpenFolder();
+ if (openFolder != null) {
+ openFolder.requestFocus();
+ } else {
+ mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus();
+ }
+ }
+
+ final boolean allApps = mSavedState.getBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, false);
+ if (allApps) {
+ mDrawer.open();
+ mDrawer.requestFocus();
+ }
+
+ mSavedState = null;
+ }
+
+ mDesktopLocked = false;
+ mDrawer.unlock();
+ }
+
+ /**
+ * Refreshes the shortcuts shown on the workspace.
+ */
+ private void bindDesktopItems() {
+ final ArrayList<ItemInfo> shortcuts = sModel.getDesktopItems();
+ if (shortcuts == null) {
+ return;
+ }
+
+ final Workspace workspace = mWorkspace;
+ int count = workspace.getChildCount();
+ for (int i = 0; i < count; i++) {
+ ((ViewGroup) workspace.getChildAt(i)).removeAllViewsInLayout();
+ }
+
+ count = shortcuts.size();
+ for (int i = 0; i < count; i++) {
+ final ItemInfo item = shortcuts.get(i);
+ switch (item.itemType) {
+ case Settings.Favorites.ITEM_TYPE_APPLICATION:
+ case Settings.Favorites.ITEM_TYPE_SHORTCUT:
+ final View shortcut = createShortcut((ApplicationInfo) item);
+ workspace.addInScreen(shortcut, item.screen, item.cellX, item.cellY, 1, 1,
+ !mDesktopLocked);
+ break;
+ case Settings.Favorites.ITEM_TYPE_USER_FOLDER:
+ final FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this,
+ (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()),
+ ((UserFolderInfo) item));
+ workspace.addInScreen(newFolder, item.screen, item.cellX, item.cellY, 1, 1,
+ !mDesktopLocked);
+ break;
+ default:
+ final Widget widget = (Widget)item;
+ final View view = createWidget(mInflater, widget);
+ view.setTag(widget);
+ workspace.addWidget(view, widget, !mDesktopLocked);
+ }
+ }
+
+ workspace.requestLayout();
+ }
+
+ private View createWidget(LayoutInflater inflater, Widget widget) {
+ final Workspace workspace = mWorkspace;
+ final int screen = workspace.getCurrentScreen();
+ View v = inflater.inflate(widget.layoutResource,
+ (ViewGroup) workspace.getChildAt(screen), false);
+ if (widget.itemType == Settings.Favorites.ITEM_TYPE_WIDGET_PHOTO_FRAME) {
+ ((ImageView)v).setImageBitmap(widget.photo);
+ }
+ return v;
+ }
+
+ DragController getDragController() {
+ return mDragLayer;
+ }
+
+ /**
+ * Launches the intent referred by the clicked shortcut.
+ *
+ * @param v The view representing the clicked shortcut.
+ */
+ public void onClick(View v) {
+ Object tag = v.getTag();
+ if (tag instanceof ApplicationInfo) {
+ // Open shortcut
+ final Intent intent = ((ApplicationInfo) tag).intent;
+ startActivitySafely(intent);
+ } else if (tag instanceof UserFolderInfo) {
+ handleFolderClick((UserFolderInfo) tag);
+ }
+ }
+
+ void startActivitySafely(Intent intent) {
+ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ try {
+ startActivity(intent);
+ } catch (ActivityNotFoundException e) {
+ Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
+ }
+ }
+
+ private void handleFolderClick(FolderInfo folderInfo) {
+ if (!folderInfo.opened) {
+ // Close any open folder
+ closeFolder();
+ // Open the requested folder
+ openUserFolder(folderInfo);
+ } else {
+ // Find the open folder...
+ Folder openFolder = mWorkspace.getFolderForTag(folderInfo);
+ int folderScreen;
+ if (openFolder != null) {
+ folderScreen = mWorkspace.getScreenForView(openFolder);
+ // .. and close it
+ closeFolder(openFolder);
+ if (folderScreen != mWorkspace.getCurrentScreen()) {
+ // Close any folder open on the current screen
+ closeFolder();
+ // Pull the folder onto this screen
+ openUserFolder(folderInfo);
+ }
+ }
+ }
+ }
+
+ private void loadWallpaper() {
+ // The first time the application is started, we load the wallpaper from
+ // the ApplicationContext
+ if (sWallpaper == null) {
+ final Drawable drawable = getWallpaper();
+ if (drawable instanceof BitmapDrawable) {
+ sWallpaper = ((BitmapDrawable) drawable).getBitmap();
+ } else {
+ throw new IllegalStateException("The wallpaper must be a BitmapDrawable.");
+ }
+ }
+ mWorkspace.loadWallpaper(sWallpaper);
+ }
+
+ /**
+ * Opens the user fodler described by the specified tag. The opening of the folder
+ * is animated relative to the specified View. If the View is null, no animation
+ * is played.
+ *
+ * @param tag The UserFolderInfo describing the folder to open.
+ */
+ private void openUserFolder(Object tag) {
+ UserFolder openFolder = UserFolder.fromXml(this);
+ openFolder.setDragger(mDragLayer);
+ openFolder.setLauncher(this);
+
+ UserFolderInfo folderInfo = (UserFolderInfo) tag;
+ openFolder.bind(folderInfo);
+ folderInfo.opened = true;
+
+ mWorkspace.addInScreen(openFolder, folderInfo.screen, 0, 0, 4, 4);
+ openFolder.onOpen();
+ }
+
+ /**
+ * Returns true if the workspace is being loaded. When the workspace is loading,
+ * no user interaction should be allowed to avoid any conflict.
+ *
+ * @return True if the workspace is locked, false otherwise.
+ */
+ boolean isWorkspaceLocked() {
+ return mDesktopLocked;
+ }
+
+ public boolean onLongClick(View v) {
+ if (mDesktopLocked) {
+ return false;
+ }
+
+ if (!(v instanceof CellLayout)) {
+ v = (View) v.getParent();
+ }
+
+ CellLayout.CellInfo cellInfo = (CellLayout.CellInfo) v.getTag();
+
+ // This happens when long clicking an item with the dpad/trackball
+ if (cellInfo == null) {
+ return false;
+ }
+
+ if (mWorkspace.allowLongPress()) {
+ if (cellInfo.cell == null) {
+ if (cellInfo.valid) {
+ // User long pressed on empty space
+ showAddDialog(cellInfo);
+ }
+ } else {
+ if (!(cellInfo.cell instanceof Folder)) {
+ // User long pressed on an item
+ mWorkspace.startDrag(cellInfo);
+ }
+ }
+ }
+ return true;
+ }
+
+ static LauncherModel getModel() {
+ return sModel;
+ }
+
+ void closeAllApplications() {
+ mDrawer.close();
+ }
+
+ boolean isDrawerDown() {
+ return !mDrawer.isMoving() && !mDrawer.isOpened();
+ }
+
+ Workspace getWorkspace() {
+ return mWorkspace;
+ }
+
+ @Override
+ protected Dialog onCreateDialog(int id) {
+ switch (id) {
+ case DIALOG_CREATE_SHORTCUT:
+ return new CreateShortcut().createDialog();
+ case DIALOG_RENAME_FOLDER:
+ return new RenameFolder().createDialog();
+ }
+
+ return super.onCreateDialog(id);
+ }
+
+ @Override
+ protected void onPrepareDialog(int id, Dialog dialog) {
+ switch (id) {
+ case DIALOG_CREATE_SHORTCUT:
+ mWorkspace.lock();
+ break;
+ case DIALOG_RENAME_FOLDER:
+ mWorkspace.lock();
+ EditText input = (EditText) dialog.findViewById(R.id.folder_name);
+ final CharSequence text = mFolderInfo.title;
+ input.setText(text);
+ input.setSelection(0, text.length());
+ break;
+ }
+ }
+
+ void showRenameDialog(UserFolderInfo info) {
+ mFolderInfo = info;
+ mWaitingForResult = true;
+ showDialog(DIALOG_RENAME_FOLDER);
+ }
+
+ private void showAddDialog(CellLayout.CellInfo cellInfo) {
+ mAddItemCellInfo = cellInfo;
+ mWaitingForResult = true;
+ showDialog(DIALOG_CREATE_SHORTCUT);
+ }
+
+ private class RenameFolder {
+ private EditText mInput;
+
+ Dialog createDialog() {
+ mWaitingForResult = true;
+ final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null);
+ mInput = (EditText) layout.findViewById(R.id.folder_name);
+
+ AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this);
+ builder.setIcon(0);
+ builder.setTitle(getString(R.string.rename_folder_title));
+ builder.setCancelable(true);
+ builder.setOnCancelListener(new Dialog.OnCancelListener() {
+ public void onCancel(DialogInterface dialog) {
+ cleanup();
+ }
+ });
+ builder.setNegativeButton(getString(R.string.cancel_action),
+ new Dialog.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ cleanup();
+ }
+ }
+ );
+ builder.setPositiveButton(getString(R.string.rename_action),
+ new Dialog.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ changeFolderName();
+ }
+ }
+ );
+ builder.setView(layout);
+ return builder.create();
+ }
+
+ private void changeFolderName() {
+ final String name = mInput.getText().toString();
+ if (!TextUtils.isEmpty(name)) {
+ // Make sure we have the right folder info
+ mFolderInfo = sModel.findFolderById(mFolderInfo.id);
+ mFolderInfo.title = name;
+ LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo);
+
+ if (mDesktopLocked) {
+ mDrawer.lock();
+ sModel.loadUserItems(false, Launcher.this);
+ } else {
+ final FolderIcon folderIcon = (FolderIcon) mWorkspace.getViewForTag(mFolderInfo);
+ if (folderIcon != null) {
+ folderIcon.setText(name);
+ getWorkspace().requestLayout();
+ } else {
+ mDesktopLocked = true;
+ mDrawer.lock();
+ sModel.loadUserItems(false, Launcher.this);
+ }
+ }
+ }
+ cleanup();
+ }
+
+ private void cleanup() {
+ mWorkspace.unlock();
+ dismissDialog(DIALOG_RENAME_FOLDER);
+ mWaitingForResult = false;
+ mFolderInfo = null;
+ }
+ }
+
+ /**
+ * Displays the shortcut creation dialog and launches, if necessary, the
+ * appropriate activity.
+ */
+ private class CreateShortcut implements ExpandableListView.OnChildClickListener,
+ DialogInterface.OnCancelListener, ExpandableListView.OnGroupExpandListener {
+ private AddAdapter mAdapter;
+ private ExpandableListView mList;
+
+ Dialog createDialog() {
+ mWaitingForResult = true;
+ mAdapter = new AddAdapter(Launcher.this, false);
+
+ final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this);
+ builder.setTitle(getString(R.string.menu_item_add_item));
+ builder.setIcon(0);
+
+ mList = (ExpandableListView)
+ View.inflate(Launcher.this, R.layout.create_shortcut_list, null);
+ mList.setAdapter(mAdapter);
+ mList.setOnChildClickListener(this);
+ mList.setOnGroupExpandListener(this);
+ builder.setView(mList);
+ builder.setInverseBackgroundForced(true);
+
+ AlertDialog dialog = builder.create();
+ dialog.setOnCancelListener(this);
+
+ WindowManager.LayoutParams attributes = dialog.getWindow().getAttributes();
+ attributes.gravity = Gravity.TOP;
+ dialog.onWindowAttributesChanged(attributes);
+
+ return dialog;
+ }
+
+ public boolean onChildClick(ExpandableListView parent, View v, int groupPosition,
+ int childPosition, long id) {
+ mAdapter.performAction(groupPosition, childPosition);
+ cleanup();
+ return true;
+ }
+
+ public void onCancel(DialogInterface dialog) {
+ mWaitingForResult = false;
+ cleanup();
+ }
+
+ private void cleanup() {
+ mWorkspace.unlock();
+ dismissDialog(DIALOG_CREATE_SHORTCUT);
+ }
+
+ public void onGroupExpand(int groupPosition) {
+ long packged = ExpandableListView.getPackedPositionForGroup(groupPosition);
+ int position = mList.getFlatListPosition(packged);
+ mList.setSelectionFromTop(position, 0);
+ }
+ }
+
+ /**
+ * Receives notifications when applications are added/removed.
+ */
+ private class ApplicationsIntentReceiver extends BroadcastReceiver {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ //noinspection ConstantConditions
+ if (REMOVE_SHORTCUT_ON_PACKAGE_REMOVE &&
+ Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction())) {
+ removeShortcutsForPackage(intent.getData().getSchemeSpecificPart());
+ }
+ removeDialog(DIALOG_CREATE_SHORTCUT);
+ sModel.loadApplications(false, Launcher.this);
+ }
+ }
+
+ /**
+ * Receives notifications whenever the user favorites have changed.
+ */
+ private class FavoritesChangeObserver extends ContentObserver {
+ public FavoritesChangeObserver() {
+ super(mHandler);
+ }
+
+ @Override
+ public void onChange(boolean selfChange) {
+ onFavoritesChanged();
+ }
+ }
+
+ private class SensorHandler implements SensorListener {
+ private long mLastNegativeShake;
+ private long mLastPositiveShake;
+
+ public void onSensorChanged(int sensor, float[] values) {
+ if (sensor == SensorManager.SENSOR_ACCELEROMETER) {
+ float shake = values[0];
+ if (shake <= -SensorManager.STANDARD_GRAVITY) {
+ mLastNegativeShake = SystemClock.uptimeMillis();
+ } else if (shake >= SensorManager.STANDARD_GRAVITY) {
+ mLastPositiveShake = SystemClock.uptimeMillis();
+ }
+
+ final long difference = mLastPositiveShake - mLastNegativeShake;
+ if (difference <= -80 && difference >= -180) {
+ mWorkspace.scrollLeft();
+ mLastNegativeShake = mLastPositiveShake = 0;
+ } else if (difference >= 80 && difference <= 180) {
+ mWorkspace.scrollRight();
+ mLastNegativeShake = mLastPositiveShake = 0;
+ }
+ }
+ }
+
+ public void onAccuracyChanged(int sensor, int accuracy) {
+ }
+ }
+
+ /**
+ * Receives intents from other applications to change the wallpaper.
+ */
+ private static class WallpaperIntentReceiver extends BroadcastReceiver {
+ private final Application mApplication;
+ private WeakReference<Launcher> mLauncher;
+
+ WallpaperIntentReceiver(Application application, Launcher launcher) {
+ mApplication = application;
+ setLauncher(launcher);
+ }
+
+ void setLauncher(Launcher launcher) {
+ mLauncher = new WeakReference<Launcher>(launcher);
+ }
+
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ // Load the wallpaper from the ApplicationContext and store it locally
+ // until the Launcher Activity is ready to use it
+ final Drawable drawable = mApplication.getWallpaper();
+ if (drawable instanceof BitmapDrawable) {
+ sWallpaper = ((BitmapDrawable) drawable).getBitmap();
+ } else {
+ throw new IllegalStateException("The wallpaper must be a BitmapDrawable.");
+ }
+
+ // If Launcher is alive, notify we have a new wallpaper
+ if (mLauncher != null) {
+ final Launcher launcher = mLauncher.get();
+ if (launcher != null) {
+ launcher.loadWallpaper();
+ }
+ }
+ }
+ }
+
+ private class DrawerManager implements SlidingDrawer.OnDrawerOpenListener,
+ SlidingDrawer.OnDrawerCloseListener, SlidingDrawer.OnDrawerScrollListener {
+ private boolean mOpen;
+
+ public void onDrawerOpened() {
+ if (!mOpen) {
+ mHandleIcon.reverseTransition(150);
+ mOpen = true;
+ }
+ }
+
+ public void onDrawerClosed() {
+ if (mOpen) {
+ mHandleIcon.reverseTransition(150);
+ mOpen = false;
+ }
+ mAllAppsGrid.setSelection(0);
+ mAllAppsGrid.clearTextFilter();
+ mWorkspace.clearChildrenCache();
+ }
+
+ public void onScrollStarted() {
+ mWorkspace.enableChildrenCache();
+ }
+
+ public void onScrollEnded() {
+ }
+ }
+}
diff --git a/src/com/android/launcher/LauncherModel.java b/src/com/android/launcher/LauncherModel.java
new file mode 100644
index 0000000..8375bbe
--- /dev/null
+++ b/src/com/android/launcher/LauncherModel.java
@@ -0,0 +1,802 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.Intent;
+import android.content.Context;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.drawable.BitmapDrawable;
+import android.net.Uri;
+import com.android.internal.provider.Settings;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Comparator;
+import java.lang.ref.WeakReference;
+import java.text.Collator;
+
+/**
+ * Maintains in-memory state of the Launcher. It is expected that there should be only one
+ * LauncherModel object held in a static. Also provide APIs for updating the database state
+ * for the Launcher
+ *
+ */
+public class LauncherModel {
+ private static final int UI_NOTIFICATION_RATE = 4;
+ private static final int DEFAULT_APPLICATIONS_NUMBER = 42;
+ private static final long APPLICATION_NOT_RESPONDING_TIMEOUT = 5000;
+
+ private final Collator sCollator = Collator.getInstance();
+
+ private boolean mApplicationsLoaded;
+ private boolean mDesktopItemsLoaded;
+
+ private ArrayList<ItemInfo> mDesktopItems;
+ private HashMap<Long, UserFolderInfo> mUserFolders;
+
+ private ArrayList<ApplicationInfo> mApplications;
+ private ApplicationsAdapter mApplicationsAdapter;
+ private ApplicationsLoader mApplicationsLoader;
+ private DesktopItemsLoader mDesktopItemsLoader;
+ private Thread mLoader;
+ private Thread mDesktopLoader;
+
+ void abortLoaders() {
+ if (mApplicationsLoader != null && mApplicationsLoader.isRunning()) {
+ mApplicationsLoader.stop();
+ mApplicationsLoaded = false;
+ }
+ if (mDesktopItemsLoader != null && mDesktopItemsLoader.isRunning()) {
+ mDesktopItemsLoader.stop();
+ mDesktopItemsLoaded = false;
+ }
+ }
+
+ /**
+ * Loads the list of installed applications in mApplications.
+ */
+ void loadApplications(boolean isLaunching, Launcher launcher) {
+ if (isLaunching && mApplicationsLoaded) {
+ mApplicationsAdapter = new ApplicationsAdapter(launcher, mApplications);
+ return;
+ }
+
+ if (mApplicationsAdapter == null || isLaunching) {
+ mApplicationsAdapter = new ApplicationsAdapter(launcher,
+ mApplications = new ArrayList<ApplicationInfo>(DEFAULT_APPLICATIONS_NUMBER));
+ }
+
+ if (mApplicationsLoader != null && mApplicationsLoader.isRunning()) {
+ mApplicationsLoader.stop();
+ // Wait for the currently running thread to finish, this can take a little
+ // time but it should be well below the timeout limit
+ try {
+ mLoader.join(APPLICATION_NOT_RESPONDING_TIMEOUT);
+ } catch (InterruptedException e) {
+ // Empty
+ }
+ }
+
+ mApplicationsLoaded = false;
+ mApplicationsLoader = new ApplicationsLoader(launcher);
+ mLoader = new Thread(mApplicationsLoader, "Applications Loader");
+ mLoader.start();
+ }
+
+ private class ApplicationsLoader implements Runnable {
+ private final WeakReference<Launcher> mLauncher;
+
+ private volatile boolean mStopped;
+ private volatile boolean mRunning;
+
+ ApplicationsLoader(Launcher launcher) {
+ mLauncher = new WeakReference<Launcher>(launcher);
+ }
+
+ void stop() {
+ mStopped = true;
+ }
+
+ boolean isRunning() {
+ return mRunning;
+ }
+
+ public void run() {
+ mRunning = true;
+
+ Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
+ mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
+
+ final Launcher launcher = mLauncher.get();
+ final PackageManager manager = launcher.getPackageManager();
+ final List<ResolveInfo> apps = manager.queryIntentActivities(mainIntent, 0);
+
+ if (apps != null && !mStopped) {
+ final int count = apps.size();
+ final ApplicationsAdapter applicationList = mApplicationsAdapter;
+
+ ChangeNotifier action = new ChangeNotifier(applicationList);
+
+ for (int i = 0; i < count && !mStopped; i++) {
+ ApplicationInfo application = new ApplicationInfo();
+ ResolveInfo info = apps.get(i);
+
+ application.title = info.loadLabel(manager);
+ if (application.title == null) {
+ application.title = info.activityInfo.name;
+ }
+ application.setActivity(new ComponentName(
+ info.activityInfo.applicationInfo.packageName,
+ info.activityInfo.name),
+ Intent.FLAG_ACTIVITY_NEW_TASK |
+ Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
+ application.icon = info.activityInfo.loadIcon(manager);
+ application.container = ItemInfo.NO_ID;
+
+ action.add(application);
+ }
+
+ action.sort(new Comparator<ApplicationInfo>() {
+ public final int compare(ApplicationInfo a, ApplicationInfo b) {
+ return sCollator.compare(a.title, b.title);
+ }
+ });
+
+ if (!mStopped) {
+ launcher.runOnUiThread(action);
+ }
+ }
+
+ if (!mStopped) {
+ mApplicationsLoaded = true;
+ }
+ mRunning = false;
+ }
+ }
+
+ private static class ChangeNotifier implements Runnable {
+ private final ApplicationsAdapter mApplicationList;
+ private ArrayList<ApplicationInfo> mBuffer;
+
+ ChangeNotifier(ApplicationsAdapter applicationList) {
+ mApplicationList = applicationList;
+ mBuffer = new ArrayList<ApplicationInfo>(UI_NOTIFICATION_RATE);
+ }
+
+ public void run() {
+ final ArrayList<ApplicationInfo> buffer = mBuffer;
+ final ApplicationsAdapter applicationList = mApplicationList;
+ final int count = buffer.size();
+
+ applicationList.clear();
+ for (int i = 0; i < count; i++) {
+ applicationList.setNotifyOnChange(false);
+ applicationList.add(buffer.get(i));
+ }
+
+ applicationList.notifyDataSetChanged();
+ buffer.clear();
+ }
+
+ void add(ApplicationInfo application) {
+ mBuffer.add(application);
+ }
+
+ void sort(Comparator<ApplicationInfo> comparator) {
+ Collections.sort(mBuffer, comparator);
+ }
+ }
+
+ boolean isDesktopLoaded() {
+ return mDesktopItems != null && mDesktopItemsLoaded;
+ }
+
+ /**
+ * Loads all of the items on the desktop, in folders, or in the dock.
+ * These can be apps, shortcuts or widgets
+ */
+ void loadUserItems(boolean isLaunching, Launcher launcher) {
+ if (isLaunching && mDesktopItems != null && mDesktopItemsLoaded) {
+ // We have already loaded our data from the DB
+ launcher.onDesktopItemsLoaded();
+ return;
+ }
+
+ if (mDesktopItemsLoader != null && mDesktopItemsLoader.isRunning()) {
+ mDesktopItemsLoader.stop();
+ // Wait for the currently running thread to finish, this can take a little
+ // time but it should be well below the timeout limit
+ try {
+ mDesktopLoader.join(APPLICATION_NOT_RESPONDING_TIMEOUT);
+ } catch (InterruptedException e) {
+ // Empty
+ }
+ }
+
+ mDesktopItemsLoaded = false;
+ mDesktopItemsLoader = new DesktopItemsLoader(launcher);
+ mDesktopLoader = new Thread(mDesktopItemsLoader, "Desktop Items Loader");
+ mDesktopLoader.start();
+ }
+
+ private class DesktopItemsLoader implements Runnable {
+ private volatile boolean mStopped;
+ private volatile boolean mRunning;
+
+ private final WeakReference<Launcher> mLauncher;
+
+ DesktopItemsLoader(Launcher launcher) {
+ mLauncher = new WeakReference<Launcher>(launcher);
+ }
+
+ void stop() {
+ mStopped = true;
+ }
+
+ boolean isRunning() {
+ return mRunning;
+ }
+
+ public void run() {
+ mRunning = true;
+
+ final Launcher launcher = mLauncher.get();
+
+ mDesktopItems = new ArrayList<ItemInfo>();
+ mUserFolders = new HashMap<Long, UserFolderInfo>();
+
+ final ArrayList<ItemInfo> desktopItems = mDesktopItems;
+
+ final Cursor c = launcher.getContentResolver().query(Settings.Favorites.CONTENT_URI,
+ null, null, null, null);
+
+ try {
+ final int idIndex = c.getColumnIndexOrThrow(Settings.Favorites.ID);
+ final int intentIndex = c.getColumnIndexOrThrow(Settings.Favorites.INTENT);
+ final int titleIndex = c.getColumnIndexOrThrow(Settings.Favorites.TITLE);
+ final int iconTypeIndex = c.getColumnIndexOrThrow(Settings.Favorites.ICON_TYPE);
+ final int iconIndex = c.getColumnIndexOrThrow(Settings.Favorites.ICON);
+ final int iconPackageIndex = c.getColumnIndexOrThrow(Settings.Favorites.ICON_PACKAGE);
+ final int iconResourceIndex = c.getColumnIndexOrThrow(Settings.Favorites.ICON_RESOURCE);
+ final int containerIndex = c.getColumnIndexOrThrow(Settings.Favorites.CONTAINER);
+ final int itemTypeIndex = c.getColumnIndexOrThrow(Settings.Favorites.ITEM_TYPE);
+ final int screenIndex = c.getColumnIndexOrThrow(Settings.Favorites.SCREEN);
+ final int cellXIndex = c.getColumnIndexOrThrow(Settings.Favorites.CELLX);
+ final int cellYIndex = c.getColumnIndexOrThrow(Settings.Favorites.CELLY);
+
+ final PackageManager manager = launcher.getPackageManager();
+
+ ApplicationInfo info;
+ String intentDescription;
+ Widget widgetInfo = null;
+ int container;
+
+ final HashMap<Long, UserFolderInfo> userFolders = mUserFolders;
+
+ while (!mStopped && c.moveToNext()) {
+ try {
+ int itemType = c.getInt(itemTypeIndex);
+
+ switch (itemType) {
+ case Settings.Favorites.ITEM_TYPE_APPLICATION:
+ case Settings.Favorites.ITEM_TYPE_SHORTCUT:
+ intentDescription = c.getString(intentIndex);
+ Intent intent;
+ try {
+ intent = Intent.getIntent(intentDescription);
+ } catch (java.net.URISyntaxException e) {
+ continue;
+ }
+
+ if (itemType == Settings.Favorites.ITEM_TYPE_APPLICATION) {
+ info = getApplicationInfo(manager, intent);
+ } else {
+ info = getApplicationInfoShortcut(c, launcher, iconTypeIndex,
+ iconPackageIndex, iconResourceIndex, iconIndex);
+ }
+
+ if (info == null) {
+ info = new ApplicationInfo();
+ info.icon = manager.getDefaultActivityIcon();
+ }
+
+ if (info != null) {
+ info.title = c.getString(titleIndex);
+ info.intent = intent;
+
+ info.id = c.getLong(idIndex);
+ container = c.getInt(containerIndex);
+ info.container = container;
+ info.screen = c.getInt(screenIndex);
+ info.cellX = c.getInt(cellXIndex);
+ info.cellY = c.getInt(cellYIndex);
+
+ switch (container) {
+ case Settings.Favorites.CONTAINER_DESKTOP:
+ desktopItems.add(info);
+ break;
+ default:
+ // Item is in a user folder
+ UserFolderInfo folderInfo =
+ findOrMakeFolder(userFolders, container);
+ folderInfo.add(info);
+ break;
+ }
+ }
+ break;
+ case Settings.Favorites.ITEM_TYPE_USER_FOLDER:
+
+ long id = c.getLong(idIndex);
+ UserFolderInfo folderInfo = findOrMakeFolder(userFolders, id);
+
+ folderInfo.title = c.getString(titleIndex);
+
+ folderInfo.id = id;
+ container = c.getInt(containerIndex);
+ folderInfo.container = container;
+ folderInfo.screen = c.getInt(screenIndex);
+ folderInfo.cellX = c.getInt(cellXIndex);
+ folderInfo.cellY = c.getInt(cellYIndex);
+
+ switch (container) {
+ case Settings.Favorites.CONTAINER_DESKTOP:
+ desktopItems.add(folderInfo);
+ break;
+ default:
+
+ }
+ break;
+ case Settings.Favorites.ITEM_TYPE_WIDGET_CLOCK:
+ case Settings.Favorites.ITEM_TYPE_WIDGET_SEARCH:
+ case Settings.Favorites.ITEM_TYPE_WIDGET_PHOTO_FRAME:
+ switch (itemType) {
+ case Settings.Favorites.ITEM_TYPE_WIDGET_CLOCK:
+ widgetInfo = Widget.makeClock();
+ break;
+ case Settings.Favorites.ITEM_TYPE_WIDGET_SEARCH:
+ widgetInfo = Widget.makeSearch();
+ break;
+ case Settings.Favorites.ITEM_TYPE_WIDGET_PHOTO_FRAME:
+ widgetInfo = Widget.makePhotoFrame();
+ byte[] data = c.getBlob(iconIndex);
+ if (data != null) {
+ widgetInfo.photo =
+ BitmapFactory.decodeByteArray(data, 0, data.length);
+ }
+ break;
+ }
+
+ if (widgetInfo != null) {
+ container = c.getInt(containerIndex);
+ if (container != Settings.Favorites.CONTAINER_DESKTOP) {
+ Log.e(Launcher.LOG_TAG, "Widget found where container "
+ + "!= CONTAINER_DESKTOP -- ignoring!");
+ continue;
+ }
+ widgetInfo.id = c.getLong(idIndex);
+ widgetInfo.screen = c.getInt(screenIndex);
+ widgetInfo.container = container;
+ widgetInfo.cellX = c.getInt(cellXIndex);
+ widgetInfo.cellY = c.getInt(cellYIndex);
+
+ desktopItems.add(widgetInfo);
+ }
+ break;
+ }
+ } catch (Exception e) {
+ Log.w(Launcher.LOG_TAG, "Desktop items loading interrupted:", e);
+ }
+ }
+ } finally {
+ c.close();
+ }
+
+ if (!mStopped) {
+ launcher.runOnUiThread(new Runnable() {
+ public void run() {
+ launcher.onDesktopItemsLoaded();
+ }
+ });
+ }
+
+ if (!mStopped) {
+ mDesktopItemsLoaded = true;
+ }
+ mRunning = false;
+ }
+ }
+
+ /**
+ * Finds the user folder defined by the specified id.
+ *
+ * @param id The id of the folder to look for.
+ *
+ * @return A UserFolderInfo if the folder exists or null otherwise.
+ */
+ UserFolderInfo findFolderById(long id) {
+ return mUserFolders.get(id);
+ }
+
+ void addUserFolder(UserFolderInfo info) {
+ mUserFolders.put(info.id, info);
+ }
+
+ /**
+ * Return an existing UserFolderInfo object if we have encountered this ID previously, or make a
+ * new one.
+ */
+ private UserFolderInfo findOrMakeFolder(HashMap<Long, UserFolderInfo> userFolders, long id) {
+ UserFolderInfo folderInfo;
+ // See if a placeholder was created for us already
+ folderInfo = userFolders.get(id);
+ if (folderInfo == null) {
+ // No placeholder -- create a new instance
+ folderInfo = new UserFolderInfo();
+ userFolders.put(id, folderInfo);
+ }
+ return folderInfo;
+ }
+
+ /**
+ * Remove the callback for the cached drawables or we leak the previous
+ * Home screen on orientation change.
+ */
+ void unbind() {
+ mApplicationsAdapter = null;
+ unbindAppDrawables(mApplications);
+ unbindDrawables(mDesktopItems);
+ }
+
+ /**
+ * Remove the callback for the cached drawables or we leak the previous
+ * Home screen on orientation change.
+ */
+ private void unbindDrawables(ArrayList<ItemInfo> desktopItems) {
+ if (desktopItems != null) {
+ final int count = desktopItems.size();
+ for (int i = 0; i < count; i++) {
+ ItemInfo item = desktopItems.get(i);
+ switch (item.itemType) {
+ case Settings.Favorites.ITEM_TYPE_APPLICATION:
+ case Settings.Favorites.ITEM_TYPE_SHORTCUT:
+ ((ApplicationInfo)item).icon.setCallback(null);
+ }
+ }
+ }
+ }
+
+ /**
+ * Remove the callback for the cached drawables or we leak the previous
+ * Home screen on orientation change.
+ */
+ private void unbindAppDrawables(ArrayList<ApplicationInfo> applications) {
+ if (applications != null) {
+ final int count = applications.size();
+ for (int i = 0; i < count; i++) {
+ applications.get(i).icon.setCallback(null);
+ }
+ }
+ }
+
+ /**
+ * @return The current list of applications
+ */
+ public ArrayList<ApplicationInfo> getApplications() {
+ return mApplications;
+ }
+
+ /**
+ * @return The current list of applications
+ */
+ public ApplicationsAdapter getApplicationsAdapter() {
+ return mApplicationsAdapter;
+ }
+
+ /**
+ * @return The current list of desktop items
+ */
+ public ArrayList<ItemInfo> getDesktopItems() {
+ return mDesktopItems;
+ }
+
+ /**
+ * Add an item to the desktop
+ * @param info
+ */
+ public void addDesktopItem(ItemInfo info) {
+ // TODO: write to DB; also check that folder has been added to folders list
+ mDesktopItems.add(info);
+ }
+
+ /**
+ * Remove an item from the desktop
+ * @param info
+ */
+ public void removeDesktopItem(ItemInfo info) {
+ // TODO: write to DB; figure out if we should remove folder from folders list
+ mDesktopItems.remove(info);
+ }
+
+ /**
+ * Make an ApplicationInfo object for an application
+ */
+ private static ApplicationInfo getApplicationInfo(PackageManager manager, Intent intent) {
+ final ResolveInfo resolveInfo = manager.resolveActivity(intent, 0);
+
+ if (resolveInfo == null) {
+ return null;
+ }
+
+ final ApplicationInfo info = new ApplicationInfo();
+ final ActivityInfo activityInfo = resolveInfo.activityInfo;
+ info.icon = activityInfo.loadIcon(manager);
+ if (info.title == null || info.title.length() == 0) {
+ info.title = activityInfo.loadLabel(manager);
+ }
+ if (info.title == null) {
+ info.title = "";
+ }
+ info.itemType = Settings.Favorites.ITEM_TYPE_APPLICATION;
+ return info;
+ }
+
+ /**
+ * Make an ApplicationInfo object for a sortcut
+ */
+ private ApplicationInfo getApplicationInfoShortcut(Cursor c, Launcher launcher,
+ int iconTypeIndex, int iconPackageIndex, int iconResourceIndex, int iconIndex) {
+
+ final ApplicationInfo info = new ApplicationInfo();
+ info.itemType = Settings.Favorites.ITEM_TYPE_SHORTCUT;
+
+ int iconType = c.getInt(iconTypeIndex);
+ switch (iconType) {
+ case Settings.Favorites.ICON_TYPE_RESOURCE:
+ String packageName = c.getString(iconPackageIndex);
+ String resourceName = c.getString(iconResourceIndex);
+ PackageManager packageManager = launcher.getPackageManager();
+ try {
+ Resources resources = packageManager.getResourcesForApplication(packageName);
+ final int id = resources.getIdentifier(resourceName, null, null);
+ info.icon = resources.getDrawable(id);
+ } catch (Exception e) {
+ info.icon = packageManager.getDefaultActivityIcon();
+ }
+ info.iconResource = new Intent.ShortcutIconResource();
+ info.iconResource.packageName = packageName;
+ info.iconResource.resourceName = resourceName;
+ info.customIcon = false;
+ break;
+ case Settings.Favorites.ICON_TYPE_BITMAP:
+ byte[] data = c.getBlob(iconIndex);
+ Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
+ info.icon = new BitmapDrawable(Utilities.createBitmapThumbnail(bitmap, launcher));
+ info.filtered = true;
+ info.customIcon = true;
+ break;
+ default:
+ info.icon = launcher.getPackageManager().getDefaultActivityIcon();
+ info.customIcon = false;
+ break;
+ }
+ return info;
+ }
+
+ /**
+ * Remove an item from the in-memory represention of a user folder. Does not change the DB.
+ */
+ void removeUserFolderItem(UserFolderInfo folder, ItemInfo info) {
+ //noinspection SuspiciousMethodCalls
+ folder.contents.remove(info);
+ }
+
+ /**
+ * Removes a UserFolder from the in-memory list of folders. Does not change the DB.
+ * @param userFolderInfo
+ */
+ void removeUserFolder(UserFolderInfo userFolderInfo) {
+ mUserFolders.remove(userFolderInfo.id);
+ }
+
+ /**
+ * Adds an item to the DB if it was not created previously, or move it to a new
+ * <container, screen, cellX, cellY>
+ */
+ static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container,
+ int screen, int cellX, int cellY) {
+ if (item.container == ItemInfo.NO_ID) {
+ // From all apps
+ addItemToDatabase(context, item, container, screen, cellX, cellY, false);
+ } else {
+ // From somewhere else
+ moveItemInDatabase(context, item, container, screen, cellX, cellY);
+ }
+ }
+
+ /**
+ * Move an item in the DB to a new <container, screen, cellX, cellY>
+ */
+ static void moveItemInDatabase(Context context, ItemInfo item, long container, int screen,
+ int cellX, int cellY) {
+ item.container = container;
+ item.screen = screen;
+ item.cellX = cellX;
+ item.cellY = cellY;
+
+ final ContentValues values = new ContentValues();
+ final ContentResolver cr = context.getContentResolver();
+
+ values.put(Settings.Favorites.CONTAINER, item.container);
+ values.put(Settings.Favorites.CELLX, item.cellX);
+ values.put(Settings.Favorites.CELLY, item.cellY);
+ values.put(Settings.Favorites.SCREEN, item.screen);
+
+ cr.update(Settings.Favorites.getContentUri(item.id, false), values, null, null);
+ }
+
+ /**
+ * Returns true if the shortcuts already exists in the database.
+ * we identify a shortcut by its title and intent.
+ */
+ static boolean shortcutExists(Context context, String title, Intent intent) {
+ final ContentResolver cr = context.getContentResolver();
+ Cursor c = cr.query(Settings.Favorites.CONTENT_URI,
+ new String[] { "title", "intent" }, "title=? and intent=?",
+ new String[] { title, intent.toURI() }, null);
+ boolean result = false;
+ try {
+ result = c.moveToFirst();
+ } finally {
+ c.close();
+ }
+ return result;
+ }
+
+ UserFolderInfo getFolderById(Context context, long id) {
+ final ContentResolver cr = context.getContentResolver();
+ Cursor c = cr.query(Settings.Favorites.CONTENT_URI, null, "_id=? and itemType=?",
+ new String[] { String.valueOf(id),
+ String.valueOf(Settings.Favorites.ITEM_TYPE_USER_FOLDER) }, null);
+
+ try {
+ if (c.moveToFirst()) {
+ final int titleIndex = c.getColumnIndexOrThrow(Settings.Favorites.TITLE);
+ final int containerIndex = c.getColumnIndexOrThrow(Settings.Favorites.CONTAINER);
+ final int screenIndex = c.getColumnIndexOrThrow(Settings.Favorites.SCREEN);
+ final int cellXIndex = c.getColumnIndexOrThrow(Settings.Favorites.CELLX);
+ final int cellYIndex = c.getColumnIndexOrThrow(Settings.Favorites.CELLY);
+
+ UserFolderInfo folderInfo = findOrMakeFolder(mUserFolders, id);
+
+ folderInfo.title = c.getString(titleIndex);
+ folderInfo.id = id;
+ folderInfo.container = c.getInt(containerIndex);
+ folderInfo.screen = c.getInt(screenIndex);
+ folderInfo.cellX = c.getInt(cellXIndex);
+ folderInfo.cellY = c.getInt(cellYIndex);
+
+ return folderInfo;
+ }
+ } finally {
+ c.close();
+ }
+
+ return null;
+ }
+
+ static Widget getPhotoFrameInfo(Context context, int screen, int cellX, int cellY) {
+ final ContentResolver cr = context.getContentResolver();
+ Cursor c = cr.query(Settings.Favorites.CONTENT_URI,
+ null, "screen=? and cellX=? and cellY=? and itemType=?",
+ new String[] { String.valueOf(screen), String.valueOf(cellX), String.valueOf(cellY),
+ String.valueOf(Settings.Favorites.ITEM_TYPE_WIDGET_PHOTO_FRAME) }, null);
+
+ try {
+ if (c.moveToFirst()) {
+ final int idIndex = c.getColumnIndexOrThrow(Settings.Favorites.ID);
+ final int containerIndex = c.getColumnIndexOrThrow(Settings.Favorites.CONTAINER);
+ final int screenIndex = c.getColumnIndexOrThrow(Settings.Favorites.SCREEN);
+ final int cellXIndex = c.getColumnIndexOrThrow(Settings.Favorites.CELLX);
+ final int cellYIndex = c.getColumnIndexOrThrow(Settings.Favorites.CELLY);
+
+ Widget widgetInfo = Widget.makePhotoFrame();
+ widgetInfo.id = c.getLong(idIndex);
+ widgetInfo.screen = c.getInt(screenIndex);
+ widgetInfo.container = c.getInt(containerIndex);
+ widgetInfo.cellX = c.getInt(cellXIndex);
+ widgetInfo.cellY = c.getInt(cellYIndex);
+
+ return widgetInfo;
+ }
+ } finally {
+ c.close();
+ }
+
+ return null;
+ }
+
+ /**
+ * Add an item to the database in a specified container. Sets the container, screen, cellX and
+ * cellY fields of the item. Also assigns an ID to the item.
+ */
+ static void addItemToDatabase(Context context, ItemInfo item, long container,
+ int screen, int cellX, int cellY, boolean notify) {
+ item.container = container;
+ item.screen = screen;
+ item.cellX = cellX;
+ item.cellY = cellY;
+
+ final ContentValues values = new ContentValues();
+ final ContentResolver cr = context.getContentResolver();
+
+ item.onAddToDatabase(values);
+
+ Uri result = cr.insert(notify ? Settings.Favorites.CONTENT_URI :
+ Settings.Favorites.CONTENT_URI_NO_NOTIFICATION, values);
+
+ if (result != null) {
+ item.id = Integer.parseInt(result.getPathSegments().get(1));
+ }
+ }
+
+ /**
+ * Update an item to the database in a specified container.
+ */
+ static void updateItemInDatabase(Context context, ItemInfo item) {
+ final ContentValues values = new ContentValues();
+ final ContentResolver cr = context.getContentResolver();
+
+ item.onAddToDatabase(values);
+
+ cr.update(Settings.Favorites.getContentUri(item.id, false), values, null, null);
+ }
+
+ /**
+ * Removes the specified item from the database
+ * @param context
+ * @param item
+ */
+ static void deleteItemFromDatabase(Context context, ItemInfo item) {
+ final ContentResolver cr = context.getContentResolver();
+
+ cr.delete(Settings.Favorites.getContentUri(item.id, false), null, null);
+ }
+
+
+ /**
+ * Remove the contents of the specified folder from the database
+ */
+ static void deleteUserFolderContentsFromDatabase(Context context, UserFolderInfo info) {
+ final ContentResolver cr = context.getContentResolver();
+
+ cr.delete(Settings.Favorites.getContentUri(info.id, false), null, null);
+ cr.delete(Settings.Favorites.CONTENT_URI, Settings.Favorites.CONTAINER + "=" + info.id,
+ null);
+ }
+}
diff --git a/src/com/android/launcher/PhotoFrame.java b/src/com/android/launcher/PhotoFrame.java
new file mode 100644
index 0000000..1151322
--- /dev/null
+++ b/src/com/android/launcher/PhotoFrame.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.ImageView;
+
+
+/**
+ * Desktop widget that holds a user folder
+ *
+ */
+public class PhotoFrame extends ImageView implements OnClickListener {
+
+ public PhotoFrame(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ setClickable(true);
+ setOnClickListener(this);
+ setWillNotCacheDrawing(true);
+ }
+
+ public void onClick(View v) {
+ ((Launcher) mContext).updatePhotoFrame((Widget) getTag());
+ }
+}
diff --git a/src/com/android/launcher/Search.java b/src/com/android/launcher/Search.java
new file mode 100644
index 0000000..69e26ac
--- /dev/null
+++ b/src/com/android/launcher/Search.java
@@ -0,0 +1,594 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.app.ISearchManager;
+import android.app.SearchManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.content.res.Resources.NotFoundException;
+import android.database.Cursor;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.server.search.SearchableInfo;
+import android.text.Editable;
+import android.text.TextUtils;
+import android.text.TextWatcher;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.View.OnClickListener;
+import android.view.View.OnKeyListener;
+import android.view.View.OnLongClickListener;
+import android.widget.AdapterView;
+import android.widget.AutoCompleteTextView;
+import android.widget.Button;
+import android.widget.CursorAdapter;
+import android.widget.Filter;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.SimpleCursorAdapter;
+import android.widget.TextView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.AdapterView.OnItemSelectedListener;
+
+public class Search extends LinearLayout implements OnClickListener, OnKeyListener,
+ OnLongClickListener, TextWatcher, OnItemClickListener, OnItemSelectedListener {
+
+ private final String TAG = "SearchGadget";
+
+ private AutoCompleteTextView mSearchText;
+ private Button mGoButton;
+ private OnLongClickListener mLongClickListener;
+
+ // Support for suggestions
+ private SuggestionsAdapter mSuggestionsAdapter;
+ private SearchableInfo mSearchable;
+ private String mSuggestionAction = null;
+ private Uri mSuggestionData = null;
+ private String mSuggestionQuery = null;
+ private int mItemSelected = -1;
+
+ /**
+ * Used to inflate the Workspace from XML.
+ *
+ * @param context The application's context.
+ * @param attrs The attribtues set containing the Workspace's customization values.
+ */
+ public Search(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ /**
+ * Implements OnClickListener (for button)
+ */
+ public void onClick(View v) {
+ query();
+ }
+
+ private void query() {
+ String query = mSearchText.getText().toString();
+ if (TextUtils.getTrimmedLength(mSearchText.getText()) == 0) {
+ return;
+ }
+ sendLaunchIntent(Intent.ACTION_SEARCH, null, query, null, 0, null, mSearchable);
+ }
+
+ /**
+ * Assemble a search intent and send it.
+ *
+ * This is copied from SearchDialog.
+ *
+ * @param action The intent to send, typically Intent.ACTION_SEARCH
+ * @param data The data for the intent
+ * @param query The user text entered (so far)
+ * @param appData The app data bundle (if supplied)
+ * @param actionKey If the intent was triggered by an action key, e.g. KEYCODE_CALL, it will
+ * be sent here. Pass KeyEvent.KEYCODE_UNKNOWN for no actionKey code.
+ * @param actionMsg If the intent was triggered by an action key, e.g. KEYCODE_CALL, the
+ * corresponding tag message will be sent here. Pass null for no actionKey message.
+ * @param si Reference to the current SearchableInfo. Passed here so it can be used even after
+ * we've called dismiss(), which attempts to null mSearchable.
+ */
+ private void sendLaunchIntent(final String action, final Uri data, final String query,
+ final Bundle appData, int actionKey, final String actionMsg, final SearchableInfo si) {
+ Intent launcher = new Intent(action);
+ launcher.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ if (query != null) {
+ launcher.putExtra(SearchManager.QUERY, query);
+ }
+
+ if (data != null) {
+ launcher.setData(data);
+ }
+
+ if (appData != null) {
+ launcher.putExtra(SearchManager.APP_DATA, appData);
+ }
+
+ // add launch info (action key, etc.)
+ if (actionKey != KeyEvent.KEYCODE_UNKNOWN) {
+ launcher.putExtra(SearchManager.ACTION_KEY, actionKey);
+ launcher.putExtra(SearchManager.ACTION_MSG, actionMsg);
+ }
+
+ // attempt to enforce security requirement (no 3rd-party intents)
+ if (si != null) {
+ launcher.setComponent(si.mSearchActivity);
+ }
+
+ getContext().startActivity(launcher);
+ }
+
+ /**
+ * Implements TextWatcher (for EditText)
+ */
+ public void beforeTextChanged(CharSequence s, int start, int before, int after) {
+ }
+
+ /**
+ * Implements TextWatcher (for EditText)
+ */
+ public void onTextChanged(CharSequence s, int start, int before, int after) {
+ // enable the button if we have one or more non-space characters
+ boolean enabled = TextUtils.getTrimmedLength(mSearchText.getText()) != 0;
+ mGoButton.setEnabled(enabled);
+ mGoButton.setFocusable(enabled);
+ }
+
+ /**
+ * Implements TextWatcher (for EditText)
+ */
+ public void afterTextChanged(Editable s) {
+ }
+
+ /**
+ * Implements OnKeyListener (for EditText and for button)
+ *
+ * This plays some games with state in order to "soften" the strength of suggestions
+ * presented. Suggestions should not be used unless the user specifically navigates to them
+ * (or clicks them, in which case it's obvious). This is not the way that AutoCompleteTextBox
+ * normally works.
+ */
+ public final boolean onKey(View v, int keyCode, KeyEvent event) {
+ if (v == mSearchText) {
+ boolean searchTrigger = (keyCode == KeyEvent.KEYCODE_ENTER ||
+ keyCode == KeyEvent.KEYCODE_SEARCH ||
+ keyCode == KeyEvent.KEYCODE_DPAD_CENTER);
+ if (event.getAction() == KeyEvent.ACTION_UP) {
+// Log.d(TAG, "onKey() ACTION_UP isPopupShowing:" + mSearchText.isPopupShowing());
+ if (!mSearchText.isPopupShowing()) {
+ if (searchTrigger) {
+ query();
+ return true;
+ }
+ }
+ } else {
+// Log.d(TAG, "onKey() ACTION_DOWN isPopupShowing:" + mSearchText.isPopupShowing() +
+// " mItemSelected="+ mItemSelected);
+ if (searchTrigger && mItemSelected < 0) {
+ query();
+ return true;
+ }
+ }
+ } else if (v == mGoButton) {
+ boolean handled = false;
+ if (!event.isSystem() &&
+ (keyCode != KeyEvent.KEYCODE_DPAD_UP) &&
+ (keyCode != KeyEvent.KEYCODE_DPAD_DOWN) &&
+ (keyCode != KeyEvent.KEYCODE_DPAD_LEFT) &&
+ (keyCode != KeyEvent.KEYCODE_DPAD_RIGHT) &&
+ (keyCode != KeyEvent.KEYCODE_DPAD_CENTER)) {
+ if (mSearchText.requestFocus()) {
+ handled = mSearchText.dispatchKeyEvent(event);
+ }
+ }
+ return handled;
+ }
+
+ return false;
+ }
+
+ @Override
+ public void setOnLongClickListener(OnLongClickListener l) {
+ super.setOnLongClickListener(l);
+ mLongClickListener = l;
+ }
+
+ /**
+ * Implements OnLongClickListener (for button)
+ */
+ public boolean onLongClick(View v) {
+ // Pretend that a long press on a child view is a long press on the search widget
+ if (mLongClickListener != null) {
+ return mLongClickListener.onLongClick(this);
+ }
+ return false;
+ }
+
+ @Override
+ public boolean onInterceptTouchEvent(MotionEvent ev) {
+ requestFocusFromTouch();
+ return super.onInterceptTouchEvent(ev);
+ }
+
+ /**
+ * In order to keep things simple, the external trigger will clear the query just before
+ * focusing, so as to give you a fresh query. This way we eliminate any sources of
+ * accidental query launching.
+ */
+ public void clearQuery() {
+ mSearchText.setText(null);
+ }
+
+ @Override
+ protected void onFinishInflate() {
+ super.onFinishInflate();
+
+ mSearchText = (AutoCompleteTextView) findViewById(R.id.input);
+ // TODO: This can be confusing when the user taps the text field to give the focus
+ // (it is not necessary but I ran into this issue several times myself)
+ // mTitleInput.setOnClickListener(this);
+ mSearchText.setOnKeyListener(this);
+ mSearchText.addTextChangedListener(this);
+
+ mGoButton = (Button) findViewById(R.id.go);
+ mGoButton.setOnClickListener(this);
+ mGoButton.setOnKeyListener(this);
+
+ mSearchText.setOnLongClickListener(this);
+ mGoButton.setOnLongClickListener(this);
+
+ // disable the button since we start out w/empty input
+ mGoButton.setEnabled(false);
+ mGoButton.setFocusable(false);
+
+ configureSuggestions();
+ }
+
+ /** The rest of the class deals with providing search suggestions */
+
+ /**
+ * Set up the suggestions provider mechanism
+ */
+ private void configureSuggestions() {
+ // get SearchableInfo
+ ISearchManager sms;
+ SearchableInfo searchable;
+ sms = ISearchManager.Stub.asInterface(ServiceManager.getService(Context.SEARCH_SERVICE));
+ try {
+ // TODO null isn't the published use of this API, but it works when global=true
+ // TODO better implementation: defer all of this, let Home set it up
+ searchable = sms.getSearchableInfo(null, true);
+ } catch (RemoteException e) {
+ searchable = null;
+ }
+ if (searchable == null) {
+ // no suggestions so just get out (no need to continue)
+ return;
+ }
+ mSearchable = searchable;
+
+ mSearchText.setOnItemClickListener(this);
+ mSearchText.setOnItemSelectedListener(this);
+
+ // attach the suggestions adapter
+ mSuggestionsAdapter = new SuggestionsAdapter(mContext,
+ com.android.internal.R.layout.search_dropdown_item_1line, null,
+ SuggestionsAdapter.ONE_LINE_FROM, SuggestionsAdapter.ONE_LINE_TO, mSearchable);
+ mSearchText.setAdapter(mSuggestionsAdapter);
+ }
+
+ /**
+ * Implements OnItemClickListener
+ */
+ public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+// Log.d(TAG, "onItemClick() position " + position);
+ launchSuggestion(mSuggestionsAdapter, position);
+ }
+
+ /**
+ * Implements OnItemSelectedListener
+ */
+ public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+// Log.d(TAG, "onItemSelected() position " + position);
+ mItemSelected = position;
+ }
+
+ /**
+ * Implements OnItemSelectedListener
+ */
+ public void onNothingSelected(AdapterView<?> parent) {
+// Log.d(TAG, "onNothingSelected()");
+ mItemSelected = -1;
+ }
+
+ /**
+ * Code to launch a suggestion query.
+ *
+ * This is copied from SearchDialog.
+ *
+ * @param ca The CursorAdapter containing the suggestions
+ * @param position The suggestion we'll be launching from
+ *
+ * @return Returns true if a successful launch, false if could not (e.g. bad position)
+ */
+ private boolean launchSuggestion(CursorAdapter ca, int position) {
+ if (ca != null) {
+ Cursor c = ca.getCursor();
+ if ((c != null) && c.moveToPosition(position)) {
+ setupSuggestionIntent(c, mSearchable);
+
+ SearchableInfo si = mSearchable;
+ String suggestionAction = mSuggestionAction;
+ Uri suggestionData = mSuggestionData;
+ String suggestionQuery = mSuggestionQuery;
+ sendLaunchIntent(suggestionAction, suggestionData, suggestionQuery, null,
+ KeyEvent.KEYCODE_UNKNOWN, null, si);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * When a particular suggestion has been selected, perform the various lookups required
+ * to use the suggestion. This includes checking the cursor for suggestion-specific data,
+ * and/or falling back to the XML for defaults; It also creates REST style Uri data when
+ * the suggestion includes a data id.
+ *
+ * NOTE: Return values are in member variables mSuggestionAction, mSuggestionData and
+ * mSuggestionQuery.
+ *
+ * This is copied from SearchDialog.
+ *
+ * @param c The suggestions cursor, moved to the row of the user's selection
+ * @param si The searchable activity's info record
+ */
+ void setupSuggestionIntent(Cursor c, SearchableInfo si) {
+ try {
+ // use specific action if supplied, or default action if supplied, or fixed default
+ mSuggestionAction = null;
+ int column = c.getColumnIndex(SearchManager.SUGGEST_COLUMN_INTENT_ACTION);
+ if (column >= 0) {
+ final String action = c.getString(column);
+ if (action != null) {
+ mSuggestionAction = action;
+ }
+ }
+ if (mSuggestionAction == null) {
+ mSuggestionAction = si.getSuggestIntentAction();
+ }
+ if (mSuggestionAction == null) {
+ mSuggestionAction = Intent.ACTION_SEARCH;
+ }
+
+ // use specific data if supplied, or default data if supplied
+ String data = null;
+ column = c.getColumnIndex(SearchManager.SUGGEST_COLUMN_INTENT_DATA);
+ if (column >= 0) {
+ final String rowData = c.getString(column);
+ if (rowData != null) {
+ data = rowData;
+ }
+ }
+ if (data == null) {
+ data = si.getSuggestIntentData();
+ }
+
+ // then, if an ID was provided, append it.
+ if (data != null) {
+ column = c.getColumnIndex(SearchManager.SUGGEST_COLUMN_INTENT_DATA_ID);
+ if (column >= 0) {
+ final String id = c.getString(column);
+ if (id != null) {
+ data = data + "/" + Uri.encode(id);
+ }
+ }
+ }
+ mSuggestionData = (data == null) ? null : Uri.parse(data);
+
+ mSuggestionQuery = null;
+ column = c.getColumnIndex(SearchManager.SUGGEST_COLUMN_QUERY);
+ if (column >= 0) {
+ final String query = c.getString(column);
+ if (query != null) {
+ mSuggestionQuery = query;
+ }
+ }
+ } catch (RuntimeException e ) {
+ int rowNum;
+ try { // be really paranoid now
+ rowNum = c.getPosition();
+ } catch (RuntimeException e2 ) {
+ rowNum = -1;
+ }
+ Log.w(TAG, "Search Suggestions cursor at row " + rowNum +
+ " returned exception" + e.toString());
+ }
+ }
+
+ /**
+ * This class provides the filtering-based interface to suggestions providers.
+ */
+ private static class SuggestionsAdapter extends SimpleCursorAdapter {
+ public final static String[] ONE_LINE_FROM = { SearchManager.SUGGEST_COLUMN_TEXT_1 };
+ public final static int[] ONE_LINE_TO = { com.android.internal.R.id.text1 };
+
+ private final String TAG = "SuggestionsAdapter";
+
+ Filter mFilter;
+ SearchableInfo mSearchable;
+ private Resources mProviderResources;
+ String[] mFromStrings;
+
+ public SuggestionsAdapter(Context context, int layout, Cursor c,
+ String[] from, int[] to, SearchableInfo searchable) {
+ super(context, layout, c, from, to);
+ mFromStrings = from;
+ mSearchable = searchable;
+
+ // set up provider resources (gives us icons, etc.)
+ Context activityContext = mSearchable.getActivityContext(mContext);
+ Context providerContext = mSearchable.getProviderContext(mContext, activityContext);
+ mProviderResources = providerContext.getResources();
+ }
+
+ /**
+ * Use the search suggestions provider to obtain a live cursor. This will be called
+ * in a worker thread, so it's OK if the query is slow (e.g. round trip for suggestions).
+ * The results will be processed in the UI thread and changeCursor() will be called.
+ */
+ @Override
+ public Cursor runQueryOnBackgroundThread(CharSequence constraint) {
+ String query = (constraint == null) ? "" : constraint.toString();
+ return getSuggestions(mSearchable, query);
+ }
+
+ /**
+ * Overriding this allows us to write the selected query back into the box.
+ * NOTE: This is a vastly simplified version of SearchDialog.jamQuery() and does
+ * not universally support the search API. But it is sufficient for Google Search.
+ */
+ @Override
+ public CharSequence convertToString(Cursor cursor) {
+ CharSequence result = null;
+ if (cursor != null) {
+ int column = cursor.getColumnIndex(SearchManager.SUGGEST_COLUMN_QUERY);
+ if (column >= 0) {
+ final String query = cursor.getString(column);
+ if (query != null) {
+ result = query;
+ }
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Get the query cursor for the search suggestions.
+ *
+ * TODO this is functionally identical to the version in SearchDialog.java. Perhaps it
+ * could be hoisted into SearchableInfo or some other shared spot.
+ *
+ * @param query The search text entered (so far)
+ * @return Returns a cursor with suggestions, or null if no suggestions
+ */
+ private Cursor getSuggestions(final SearchableInfo searchable, final String query) {
+ Cursor cursor = null;
+ if (searchable.getSuggestAuthority() != null) {
+ try {
+ StringBuilder uriStr = new StringBuilder("content://");
+ uriStr.append(searchable.getSuggestAuthority());
+
+ // if content path provided, insert it now
+ final String contentPath = searchable.getSuggestPath();
+ if (contentPath != null) {
+ uriStr.append('/');
+ uriStr.append(contentPath);
+ }
+
+ // append standard suggestion query path
+ uriStr.append('/' + SearchManager.SUGGEST_URI_PATH_QUERY);
+
+ // inject query, either as selection args or inline
+ String[] selArgs = null;
+ if (searchable.getSuggestSelection() != null) { // use selection if provided
+ selArgs = new String[] {query};
+ } else {
+ uriStr.append('/'); // no sel, use REST pattern
+ uriStr.append(Uri.encode(query));
+ }
+
+ // finally, make the query
+ cursor = mContext.getContentResolver().query(
+ Uri.parse(uriStr.toString()), null,
+ searchable.getSuggestSelection(), selArgs,
+ null);
+ } catch (RuntimeException e) {
+ Log.w(TAG, "Search Suggestions query returned exception " + e.toString());
+ cursor = null;
+ }
+ }
+
+ return cursor;
+ }
+
+ /**
+ * Overriding this allows us to affect the way that an icon is loaded. Specifically,
+ * we can be more controlling about the resource path (and allow icons to come from other
+ * packages).
+ *
+ * TODO: This is 100% identical to the version in SearchDialog.java
+ *
+ * @param v ImageView to receive an image
+ * @param value the value retrieved from the cursor
+ */
+ @Override
+ public void setViewImage(ImageView v, String value) {
+ int resID;
+ Drawable img = null;
+
+ try {
+ resID = Integer.parseInt(value);
+ if (resID != 0) {
+ img = mProviderResources.getDrawable(resID);
+ }
+ } catch (NumberFormatException nfe) {
+ // img = null;
+ } catch (NotFoundException e2) {
+ // img = null;
+ }
+
+ // finally, set the image to whatever we've gotten
+ v.setImageDrawable(img);
+ }
+
+ /**
+ * This method is overridden purely to provide a bit of protection against
+ * flaky content providers.
+ *
+ * TODO: This is 100% identical to the version in SearchDialog.java
+ *
+ * @see android.widget.ListAdapter#getView(int, View, ViewGroup)
+ */
+ @Override
+ public View getView(int position, View convertView, ViewGroup parent) {
+ try {
+ return super.getView(position, convertView, parent);
+ } catch (RuntimeException e) {
+ Log.w(TAG, "Search Suggestions cursor returned exception " + e.toString());
+ // what can I return here?
+ View v = newView(mContext, mCursor, parent);
+ if (v != null) {
+ TextView tv = (TextView) v.findViewById(com.android.internal.R.id.text1);
+ tv.setText(e.toString());
+ }
+ return v;
+ }
+ }
+
+ }
+}
diff --git a/src/com/android/launcher/UninstallShortcutReceiver.java b/src/com/android/launcher/UninstallShortcutReceiver.java
new file mode 100644
index 0000000..2d7909e
--- /dev/null
+++ b/src/com/android/launcher/UninstallShortcutReceiver.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ContentResolver;
+import android.database.Cursor;
+
+import java.net.URISyntaxException;
+
+import com.android.internal.provider.Settings;
+
+public class UninstallShortcutReceiver extends BroadcastReceiver {
+ public void onReceive(Context context, Intent data) {
+ Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
+ String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
+ boolean duplicate = data.getBooleanExtra(Launcher.EXTRA_SHORTCUT_DUPLICATE, true);
+
+ if (intent != null && name != null) {
+ final ContentResolver cr = context.getContentResolver();
+ Cursor c = cr.query(Settings.Favorites.CONTENT_URI,
+ new String[] { "_id", "intent" }, "title=?", new String[]{ name }, null);
+
+ final int intentIndex = c.getColumnIndexOrThrow(Settings.Favorites.INTENT);
+ final int idIndex = c.getColumnIndexOrThrow(Settings.Favorites._ID);
+
+ try {
+ while (c.moveToNext()) {
+ try {
+ if (intent.filterEquals(Intent.getIntent(c.getString(intentIndex)))) {
+ final long id = c.getLong(idIndex);
+ cr.delete(Settings.Favorites.getContentUri(id, false), null, null);
+ if (!duplicate) {
+ break;
+ }
+ }
+ } catch (URISyntaxException e) {
+ // Ignore
+ }
+ }
+ } finally {
+ c.close();
+ }
+
+ cr.notifyChange(Settings.Favorites.CONTENT_URI, null);
+ }
+ }
+}
diff --git a/src/com/android/launcher/UserFolder.java b/src/com/android/launcher/UserFolder.java
new file mode 100644
index 0000000..dee44baa
--- /dev/null
+++ b/src/com/android/launcher/UserFolder.java
@@ -0,0 +1,84 @@
+package com.android.launcher;
+
+import android.content.Context;
+import com.android.internal.provider.Settings;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.ArrayAdapter;
+
+/**
+ * Folder which contains applications or shortcuts chosen by the user.
+ *
+ */
+public class UserFolder extends Folder implements DropTarget {
+ public UserFolder(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ /**
+ * Creates a new UserFolder, inflated from R.layout.user_folder.
+ *
+ * @param context The application's context.
+ *
+ * @return A new UserFolder.
+ */
+ static UserFolder fromXml(Context context) {
+ return (UserFolder) LayoutInflater.from(context).inflate(R.layout.user_folder, null);
+ }
+
+ public boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ final ItemInfo item = (ItemInfo) dragInfo;
+ final int itemType = item.itemType;
+ return (itemType == Settings.Favorites.ITEM_TYPE_APPLICATION ||
+ itemType == Settings.Favorites.ITEM_TYPE_SHORTCUT) && item.container != mInfo.id;
+ }
+
+ public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo) {
+ final ApplicationInfo item = (ApplicationInfo) dragInfo;
+ //noinspection unchecked
+ ((ArrayAdapter<ApplicationInfo>) mContent.getAdapter()).add((ApplicationInfo) dragInfo);
+ LauncherModel.addOrMoveItemInDatabase(mLauncher, item, mInfo.id, 0, 0, 0);
+ }
+
+ public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo) {
+ }
+
+ public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo) {
+ }
+
+ public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo) {
+ }
+
+ @Override
+ public boolean onLongClick(View v) {
+ mLauncher.closeFolder(this);
+ mLauncher.showRenameDialog((UserFolderInfo) mInfo);
+ return true;
+ }
+
+ @Override
+ public void onDropCompleted(View target, boolean success) {
+ if (success) {
+ //noinspection unchecked
+ ArrayAdapter<ApplicationInfo> adapter =
+ (ArrayAdapter<ApplicationInfo>) mContent.getAdapter();
+ adapter.remove(mDragItem);
+ }
+ }
+
+ void bind(UserFolderInfo info) {
+ mInfo = info;
+ setContentAdapter(new ApplicationsAdapter(mContext, info.contents));
+ mCloseButton.setText(info.title);
+ }
+
+ // When the folder opens, we need to refresh the GridView's selection by
+ // forcing a layout
+ @Override
+ void onOpen() {
+ super.onOpen();
+ requestFocus();
+ }
+}
diff --git a/src/com/android/launcher/UserFolderInfo.java b/src/com/android/launcher/UserFolderInfo.java
new file mode 100644
index 0000000..075b89a
--- /dev/null
+++ b/src/com/android/launcher/UserFolderInfo.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.ContentValues;
+import com.android.internal.provider.Settings;
+
+import java.util.ArrayList;
+
+/**
+ * Represents a folder containing shortcuts or apps.
+ */
+class UserFolderInfo extends FolderInfo {
+ /**
+ * The application name.
+ */
+ CharSequence title;
+
+ /**
+ * The apps and shortcuts
+ */
+ ArrayList<ApplicationInfo> contents = new ArrayList<ApplicationInfo>();
+
+ UserFolderInfo() {
+ itemType = Settings.Favorites.ITEM_TYPE_USER_FOLDER;
+ }
+
+ /**
+ * Add an app or shortcut
+ *
+ * @param item
+ */
+ public void add(ApplicationInfo item) {
+ contents.add(item);
+ }
+
+ /**
+ * Remove an app or shortcut
+ *
+ * @param item
+ */
+ public void remove(ApplicationInfo item) {
+ contents.remove(item);
+ }
+
+ @Override
+ void onAddToDatabase(ContentValues values) {
+ super.onAddToDatabase(values);
+ values.put(Settings.Favorites.TITLE, title.toString());
+ }
+}
diff --git a/src/com/android/launcher/Utilities.java b/src/com/android/launcher/Utilities.java
new file mode 100644
index 0000000..2373897
--- /dev/null
+++ b/src/com/android/launcher/Utilities.java
@@ -0,0 +1,180 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.PaintDrawable;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.Bitmap;
+import android.graphics.PixelFormat;
+import android.graphics.Canvas;
+import android.graphics.PaintFlagsDrawFilter;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.content.res.Resources;
+import android.content.Context;
+
+/**
+ * Various utilities shared amongst the Launcher's classes.
+ */
+final class Utilities {
+ private static int sIconWidth = -1;
+ private static int sIconHeight = -1;
+
+ private static final Paint sPaint = new Paint();
+ private static final Rect sBounds = new Rect();
+ private static final Rect sOldBounds = new Rect();
+ private static Canvas sCanvas = new Canvas();
+
+ static {
+ sCanvas.setDrawFilter(new PaintFlagsDrawFilter(Paint.DITHER_FLAG,
+ Paint.FILTER_BITMAP_FLAG));
+ }
+
+ static Bitmap centerToFit(Bitmap bitmap, int width, int height, Context context) {
+ final int bitmapWidth = bitmap.getWidth();
+ final int bitmapHeight = bitmap.getHeight();
+
+ if (bitmapWidth < width || bitmapHeight < height) {
+ int color = context.getResources().getColor(R.color.window_background);
+
+ Bitmap centered = Bitmap.createBitmap(bitmapWidth < width ? width : bitmapWidth,
+ bitmapHeight < height ? height : bitmapHeight, Bitmap.Config.RGB_565);
+ Canvas canvas = new Canvas(centered);
+ canvas.drawColor(color);
+ canvas.drawBitmap(bitmap, (width - bitmapWidth) / 2.0f, (height - bitmapHeight) / 2.0f,
+ null);
+
+ bitmap = centered;
+ }
+
+ return bitmap;
+ }
+
+ /**
+ * Returns a Drawable representing the thumbnail of the specified Drawable.
+ * The size of the thumbnail is defined by the dimension
+ * android.R.dimen.launcher_application_icon_size.
+ *
+ * This method is not thread-safe and should be invoked on the UI thread only.
+ *
+ * @param icon The icon to get a thumbnail of.
+ * @param context The application's context.
+ *
+ * @return A thumbnail for the specified icon or the icon itself if the
+ * thumbnail could not be created.
+ */
+ static Drawable createIconThumbnail(Drawable icon, Context context) {
+ if (sIconWidth == -1) {
+ final Resources resources = context.getResources();
+ sIconWidth = sIconHeight = (int) resources.getDimension(
+ android.R.dimen.app_icon_size);
+ }
+
+ int width = sIconWidth;
+ int height = sIconHeight;
+
+ final int iconWidth = icon.getIntrinsicWidth();
+ final int iconHeight = icon.getIntrinsicHeight();
+
+ if (icon instanceof PaintDrawable) {
+ PaintDrawable painter = (PaintDrawable) icon;
+ painter.setIntrinsicWidth(width);
+ painter.setIntrinsicHeight(height);
+ }
+
+ if (width > 0 && height > 0 && (width < iconWidth || height < iconHeight)) {
+ final float ratio = (float) iconWidth / iconHeight;
+
+ if (iconWidth > iconHeight) {
+ height = (int) (width / ratio);
+ } else if (iconHeight > iconWidth) {
+ width = (int) (height * ratio);
+ }
+
+ final Bitmap.Config c = icon.getOpacity() != PixelFormat.OPAQUE ?
+ Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565;
+ final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c);
+ final Canvas canvas = sCanvas;
+ canvas.setBitmap(thumb);
+ // Copy the old bounds to restore them later
+ // If we were to do oldBounds = icon.getBounds(),
+ // the call to setBounds() that follows would
+ // change the same instance and we would lose the
+ // old bounds
+ sOldBounds.set(icon.getBounds());
+ icon.setBounds((sIconWidth - width) / 2, (sIconHeight - height) / 2, width, height);
+ icon.draw(canvas);
+ icon.setBounds(sOldBounds);
+ icon = new BitmapDrawable(thumb);
+ }
+
+ return icon;
+ }
+
+ /**
+ * Returns a Bitmap representing the thumbnail of the specified Bitmap.
+ * The size of the thumbnail is defined by the dimension
+ * android.R.dimen.launcher_application_icon_size.
+ *
+ * This method is not thread-safe and should be invoked on the UI thread only.
+ *
+ * @param bitmap The bitmap to get a thumbnail of.
+ * @param context The application's context.
+ *
+ * @return A thumbnail for the specified bitmap or the bitmap itself if the
+ * thumbnail could not be created.
+ */
+ static Bitmap createBitmapThumbnail(Bitmap bitmap, Context context) {
+ if (sIconWidth == -1) {
+ final Resources resources = context.getResources();
+ sIconWidth = sIconHeight = (int) resources.getDimension(
+ android.R.dimen.app_icon_size);
+ }
+
+ int width = sIconWidth;
+ int height = sIconHeight;
+
+ final int bitmapWidth = bitmap.getWidth();
+ final int bitmapHeight = bitmap.getHeight();
+
+ if (width > 0 && height > 0 && (width < bitmapWidth || height < bitmapHeight)) {
+ final float ratio = (float) bitmapWidth / bitmapHeight;
+
+ if (bitmapWidth > bitmapHeight) {
+ height = (int) (width / ratio);
+ } else if (bitmapHeight > bitmapWidth) {
+ width = (int) (height * ratio);
+ }
+
+ final Bitmap.Config c = (width == sIconWidth && height == sIconHeight) ?
+ bitmap.getConfig() : Bitmap.Config.ARGB_8888;
+ final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c);
+ final Canvas canvas = sCanvas;
+ final Paint paint = sPaint;
+ canvas.setBitmap(thumb);
+ paint.setDither(false);
+ paint.setFilterBitmap(true);
+ sBounds.set((sIconWidth - width) / 2, (sIconHeight - height) / 2, width, height);
+ sOldBounds.set(0, 0, bitmapWidth, bitmapHeight);
+ canvas.drawBitmap(bitmap, sOldBounds, sBounds, paint);
+ return thumb;
+ }
+
+ return bitmap;
+ }
+}
diff --git a/src/com/android/launcher/WallpaperChooser.java b/src/com/android/launcher/WallpaperChooser.java
new file mode 100644
index 0000000..268b571
--- /dev/null
+++ b/src/com/android/launcher/WallpaperChooser.java
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.Window;
+import android.view.View.OnClickListener;
+import android.widget.AdapterView;
+import android.widget.BaseAdapter;
+import android.widget.Button;
+import android.widget.Gallery;
+import android.widget.ImageView;
+import android.graphics.BitmapFactory;
+import android.graphics.Bitmap;
+import android.graphics.drawable.Drawable;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+public class WallpaperChooser extends Activity implements AdapterView.OnItemSelectedListener,
+ OnClickListener {
+
+ private static final Integer[] THUMB_IDS = {
+ R.drawable.wallpaper_lake_small,
+ R.drawable.wallpaper_sunset_small,
+ R.drawable.wallpaper_beach_small,
+ R.drawable.wallpaper_snow_leopard_small,
+ R.drawable.wallpaper_path_small,
+ R.drawable.wallpaper_sunrise_small,
+ R.drawable.wallpaper_mountain_small,
+ R.drawable.wallpaper_ripples_small,
+ R.drawable.wallpaper_road_small,
+ R.drawable.wallpaper_jellyfish_small,
+ R.drawable.wallpaper_zanzibar_small,
+ R.drawable.wallpaper_blue_small,
+ R.drawable.wallpaper_grey_small,
+ R.drawable.wallpaper_green_small,
+ R.drawable.wallpaper_pink_small,
+ R.drawable.wallpaper_dale_chihuly_small,
+ R.drawable.wallpaper_john_maeda_small,
+ R.drawable.wallpaper_marc_ecko_small,
+ };
+
+ private static final Integer[] IMAGE_IDS = {
+ R.drawable.wallpaper_lake,
+ R.drawable.wallpaper_sunset,
+ R.drawable.wallpaper_beach,
+ R.drawable.wallpaper_snow_leopard,
+ R.drawable.wallpaper_path,
+ R.drawable.wallpaper_sunrise,
+ R.drawable.wallpaper_mountain,
+ R.drawable.wallpaper_ripples,
+ R.drawable.wallpaper_road,
+ R.drawable.wallpaper_jellyfish,
+ R.drawable.wallpaper_zanzibar,
+ R.drawable.wallpaper_blue,
+ R.drawable.wallpaper_grey,
+ R.drawable.wallpaper_green,
+ R.drawable.wallpaper_pink,
+ R.drawable.wallpaper_dale_chihuly,
+ R.drawable.wallpaper_john_maeda,
+ R.drawable.wallpaper_marc_ecko,
+ };
+
+ private Gallery mGallery;
+ private ImageView mImageView;
+ private boolean mIsWallpaperSet;
+
+ private BitmapFactory.Options mOptions;
+ private Bitmap mBitmap;
+
+ @Override
+ public void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+ requestWindowFeature(Window.FEATURE_NO_TITLE);
+
+ setContentView(R.layout.wallpaper_chooser);
+
+ mOptions = new BitmapFactory.Options();
+ mOptions.inDither = false;
+ mOptions.inPreferredConfig = Bitmap.Config.ARGB_8888;
+
+ mGallery = (Gallery) findViewById(R.id.gallery);
+ mGallery.setAdapter(new ImageAdapter(this));
+ mGallery.setOnItemSelectedListener(this);
+
+ Button b = (Button) findViewById(R.id.set);
+ b.setOnClickListener(this);
+
+ mImageView = (ImageView) findViewById(R.id.wallpaper);
+ }
+
+ @Override
+ protected void onResume() {
+ super.onResume();
+ mIsWallpaperSet = false;
+ }
+
+ public void onItemSelected(AdapterView parent, View v, int position, long id) {
+ final ImageView view = mImageView;
+ Bitmap b = BitmapFactory.decodeResource(getResources(), IMAGE_IDS[position], mOptions);
+ view.setImageBitmap(b);
+
+ // Help the GC
+ if (mBitmap != null) {
+ mBitmap.recycle();
+ }
+ mBitmap = b;
+
+ final Drawable drawable = view.getDrawable();
+ drawable.setFilterBitmap(true);
+ drawable.setDither(true);
+ }
+
+ /*
+ * When using touch if you tap an image it triggers both the onItemClick and
+ * the onTouchEvent causing the wallpaper to be set twice. Ensure we only
+ * set the wallpaper once.
+ */
+ private void selectWallpaper(int position) {
+ if (mIsWallpaperSet) {
+ return;
+ }
+
+ mIsWallpaperSet = true;
+ try {
+ InputStream stream = getResources().openRawResource(IMAGE_IDS[position]);
+ setWallpaper(stream);
+ setResult(RESULT_OK);
+ finish();
+ } catch (IOException e) {
+ Log.e(Launcher.LOG_TAG, "Failed to set wallpaper: " + e);
+ }
+ }
+
+ public void onNothingSelected(AdapterView parent) {
+ }
+
+ private class ImageAdapter extends BaseAdapter {
+ private LayoutInflater mLayoutInflater;
+
+ ImageAdapter(WallpaperChooser context) {
+ mLayoutInflater = context.getLayoutInflater();
+ }
+
+ public int getCount() {
+ return THUMB_IDS.length;
+ }
+
+ public Object getItem(int position) {
+ return position;
+ }
+
+ public long getItemId(int position) {
+ return position;
+ }
+
+ public View getView(int position, View convertView, ViewGroup parent) {
+ ImageView image;
+
+ if (convertView == null) {
+ image = (ImageView) mLayoutInflater.inflate(R.layout.wallpaper_item, parent, false);
+ } else {
+ image = (ImageView) convertView;
+ }
+
+ image.setImageResource(THUMB_IDS[position]);
+ image.getDrawable().setDither(true);
+ return image;
+ }
+ }
+
+ public void onClick(View v) {
+ selectWallpaper(mGallery.getSelectedItemPosition());
+ }
+}
diff --git a/src/com/android/launcher/Widget.java b/src/com/android/launcher/Widget.java
new file mode 100644
index 0000000..b9d8ae6
--- /dev/null
+++ b/src/com/android/launcher/Widget.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.ContentValues;
+import android.graphics.Bitmap;
+import com.android.internal.provider.Settings;
+
+/**
+ * Represents one instance of a Launcher widget (clock, search, photo frame).
+ *
+ */
+class Widget extends ItemInfo {
+
+ int layoutResource;
+ Bitmap photo;
+
+ static Widget makeClock() {
+ Widget w = new Widget();
+ w.itemType = Settings.Favorites.ITEM_TYPE_WIDGET_CLOCK;
+ w.spanX = 2;
+ w.spanY = 2;
+ w.layoutResource = R.layout.widget_clock;
+ return w;
+ }
+
+ static Widget makePhotoFrame() {
+ Widget w = new Widget();
+ w.itemType = Settings.Favorites.ITEM_TYPE_WIDGET_PHOTO_FRAME;
+ w.spanX = 2;
+ w.spanY = 2;
+ w.layoutResource = R.layout.widget_photo_frame;
+ return w;
+ }
+
+ static Widget makeSearch() {
+ Widget w = new Widget();
+ w.itemType = Settings.Favorites.ITEM_TYPE_WIDGET_SEARCH;
+ w.spanX = 4;
+ w.spanY = 1;
+ w.layoutResource = R.layout.widget_search;
+ return w;
+ }
+
+ @Override
+ void onAddToDatabase(ContentValues values) {
+ super.onAddToDatabase(values);
+ writeBitmap(values, photo);
+ }
+
+}
diff --git a/src/com/android/launcher/Workspace.java b/src/com/android/launcher/Workspace.java
new file mode 100644
index 0000000..73cff02
--- /dev/null
+++ b/src/com/android/launcher/Workspace.java
@@ -0,0 +1,1194 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.RectF;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.VelocityTracker;
+import android.view.View;
+import android.view.ViewConfiguration;
+import android.view.ViewGroup;
+import android.view.ViewParent;
+import android.widget.Scroller;
+import android.os.Parcelable;
+import android.os.Parcel;
+
+import com.android.internal.provider.Settings;
+
+import java.util.ArrayList;
+
+/**
+ * The workspace is a wide area with a wallpaper and a finite number of screens. Each
+ * screen contains a number of icons, folders or widgets the user can interact with.
+ * A workspace is meant to be used with a fixed width only.
+ */
+public class Workspace extends ViewGroup implements DropTarget, DragSource, DragScroller {
+ private static final int INVALID_SCREEN = -1;
+
+ /**
+ * The velocity at which a fling gesture will cause us to snap to the next screen
+ */
+ private static final int SNAP_VELOCITY = 1000;
+
+ private int mDefaultScreen;
+
+ private Paint mPaint;
+ private Bitmap mWallpaper;
+
+ private int mWallpaperWidth;
+ private int mWallpaperHeight;
+ private float mWallpaperOffset;
+ private boolean mWallpaperLoaded;
+
+ private boolean mFirstLayout = true;
+
+ private int mCurrentScreen;
+ private int mNextScreen = INVALID_SCREEN;
+ private Scroller mScroller;
+ private VelocityTracker mVelocityTracker;
+
+ /**
+ * CellInfo for the cell that is currently being dragged
+ */
+ private CellLayout.CellInfo mDragInfo;
+
+ private float mLastMotionX;
+ private float mLastMotionY;
+
+ private final static int TOUCH_STATE_REST = 0;
+ private final static int TOUCH_STATE_SCROLLING = 1;
+
+ private int mTouchState = TOUCH_STATE_REST;
+
+ private OnLongClickListener mLongClickListener;
+
+ private Launcher mLauncher;
+ private DragController mDragger;
+
+ private int[] mTempCell = new int[2];
+
+ private boolean mAllowLongPress;
+ private boolean mLocked;
+
+ /**
+ * Used to inflate the Workspace from XML.
+ *
+ * @param context The application's context.
+ * @param attrs The attribtues set containing the Workspace's customization values.
+ */
+ public Workspace(Context context, AttributeSet attrs) {
+ this(context, attrs, 0);
+ }
+
+ /**
+ * Used to inflate the Workspace from XML.
+ *
+ * @param context The application's context.
+ * @param attrs The attribtues set containing the Workspace's customization values.
+ * @param defStyle Unused.
+ */
+ public Workspace(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+
+ TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Workspace, defStyle, 0);
+ mDefaultScreen = a.getInt(R.styleable.Workspace_defaultScreen, 1);
+ a.recycle();
+
+ initWorkspace();
+ }
+
+ /**
+ * Initializes various states for this workspace.
+ */
+ private void initWorkspace() {
+ mScroller = new Scroller(getContext());
+ mCurrentScreen = mDefaultScreen;
+ Launcher.setScreen(mCurrentScreen);
+
+ mPaint = new Paint();
+ mPaint.setDither(false);
+ }
+
+ /**
+ * Set the background's wallpaper.
+ */
+ void loadWallpaper(Bitmap bitmap) {
+ mWallpaper = bitmap;
+ mWallpaperLoaded = true;
+ requestLayout();
+ invalidate();
+ }
+
+ @Override
+ public void addView(View child, int index, LayoutParams params) {
+ if (!(child instanceof CellLayout)) {
+ throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
+ }
+ super.addView(child, index, params);
+ }
+
+ @Override
+ public void addView(View child) {
+ if (!(child instanceof CellLayout)) {
+ throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
+ }
+ super.addView(child);
+ }
+
+ @Override
+ public void addView(View child, int index) {
+ if (!(child instanceof CellLayout)) {
+ throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
+ }
+ super.addView(child, index);
+ }
+
+ @Override
+ public void addView(View child, int width, int height) {
+ if (!(child instanceof CellLayout)) {
+ throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
+ }
+ super.addView(child, width, height);
+ }
+
+ @Override
+ public void addView(View child, LayoutParams params) {
+ if (!(child instanceof CellLayout)) {
+ throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
+ }
+ super.addView(child, params);
+ }
+
+ /**
+ * @return The open folder on the current screen, or null if there is none
+ */
+ Folder getOpenFolder() {
+ CellLayout currentScreen = (CellLayout) getChildAt(mCurrentScreen);
+ int count = currentScreen.getChildCount();
+ for (int i = 0; i < count; i++) {
+ View child = currentScreen.getChildAt(i);
+ CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
+ if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) {
+ return (Folder) child;
+ }
+ }
+ return null;
+ }
+
+ ArrayList<Folder> getOpenFolders() {
+ final int screens = getChildCount();
+ ArrayList<Folder> folders = new ArrayList<Folder>(screens);
+
+ for (int screen = 0; screen < screens; screen++) {
+ CellLayout currentScreen = (CellLayout) getChildAt(screen);
+ int count = currentScreen.getChildCount();
+ for (int i = 0; i < count; i++) {
+ View child = currentScreen.getChildAt(i);
+ CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
+ if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) {
+ folders.add((Folder) child);
+ break;
+ }
+ }
+ }
+
+ return folders;
+ }
+
+ boolean isDefaultScreenShowing() {
+ return mCurrentScreen == mDefaultScreen;
+ }
+
+ /**
+ * Returns the index of the currently displayed screen.
+ *
+ * @return The index of the currently displayed screen.
+ */
+ int getCurrentScreen() {
+ return mCurrentScreen;
+ }
+
+ /**
+ * Computes a bounding rectangle for a range of cells
+ *
+ * @param cellX X coordinate of upper left corner expressed as a cell position
+ * @param cellY Y coordinate of upper left corner expressed as a cell position
+ * @param cellHSpan Width in cells
+ * @param cellVSpan Height in cells
+ * @param rect Rectnagle into which to put the results
+ */
+ public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF rect) {
+ ((CellLayout)getChildAt(mCurrentScreen)).cellToRect(cellX, cellY,
+ cellHSpan, cellVSpan, rect);
+ }
+
+ /**
+ * Sets the current screen.
+ *
+ * @param currentScreen
+ */
+ void setCurrentScreen(int currentScreen) {
+ mCurrentScreen = Math.max(0, Math.min(currentScreen, getChildCount()));
+ scrollTo(mCurrentScreen * getWidth(), 0);
+ invalidate();
+ }
+
+ /**
+ * Shows the default screen (defined by the firstScreen attribute in XML.)
+ */
+ void showDefaultScreen() {
+ setCurrentScreen(mDefaultScreen);
+ }
+
+ /**
+ * Adds the specified child in the current screen. The position and dimension of
+ * the child are defined by x, y, spanX and spanY.
+ *
+ * @param child The child to add in one of the workspace's screens.
+ * @param x The X position of the child in the screen's grid.
+ * @param y The Y position of the child in the screen's grid.
+ * @param spanX The number of cells spanned horizontally by the child.
+ * @param spanY The number of cells spanned vertically by the child.
+ */
+ void addInCurrentScreen(View child, int x, int y, int spanX, int spanY) {
+ addInScreen(child, mCurrentScreen, x, y, spanX, spanY, false);
+ }
+
+ /**
+ * Adds the specified child in the current screen. The position and dimension of
+ * the child are defined by x, y, spanX and spanY.
+ *
+ * @param child The child to add in one of the workspace's screens.
+ * @param x The X position of the child in the screen's grid.
+ * @param y The Y position of the child in the screen's grid.
+ * @param spanX The number of cells spanned horizontally by the child.
+ * @param spanY The number of cells spanned vertically by the child.
+ * @param insert When true, the child is inserted at the beginning of the children list.
+ */
+ void addInCurrentScreen(View child, int x, int y, int spanX, int spanY, boolean insert) {
+ addInScreen(child, mCurrentScreen, x, y, spanX, spanY, insert);
+ }
+
+ /**
+ * Adds the specified child in the specified screen. The position and dimension of
+ * the child are defined by x, y, spanX and spanY.
+ *
+ * @param child The child to add in one of the workspace's screens.
+ * @param screen The screen in which to add the child.
+ * @param x The X position of the child in the screen's grid.
+ * @param y The Y position of the child in the screen's grid.
+ * @param spanX The number of cells spanned horizontally by the child.
+ * @param spanY The number of cells spanned vertically by the child.
+ */
+ void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) {
+ addInScreen(child, screen, x, y, spanX, spanY, false);
+ }
+
+ /**
+ * Adds the specified child in the specified screen. The position and dimension of
+ * the child are defined by x, y, spanX and spanY.
+ *
+ * @param child The child to add in one of the workspace's screens.
+ * @param screen The screen in which to add the child.
+ * @param x The X position of the child in the screen's grid.
+ * @param y The Y position of the child in the screen's grid.
+ * @param spanX The number of cells spanned horizontally by the child.
+ * @param spanY The number of cells spanned vertically by the child.
+ * @param insert When true, the child is inserted at the beginning of the children list.
+ */
+ void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) {
+ if (screen < 0 || screen >= getChildCount()) {
+ throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount());
+ }
+
+ final CellLayout group = (CellLayout) getChildAt(screen);
+ CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
+ if (lp == null) {
+ lp = new CellLayout.LayoutParams(x, y, spanX, spanY);
+ } else {
+ lp.cellX = x;
+ lp.cellY = y;
+ lp.cellHSpan = spanX;
+ lp.cellVSpan = spanY;
+ }
+ group.addView(child, insert ? 0 : -1, lp);
+ if (!(child instanceof Folder)) {
+ child.setOnLongClickListener(mLongClickListener);
+ }
+ }
+
+ void addWidget(View view, Widget widget) {
+ addInScreen(view, widget.screen, widget.cellX, widget.cellY, widget.spanX,
+ widget.spanY, false);
+ }
+
+ void addWidget(View view, Widget widget, boolean insert) {
+ addInScreen(view, widget.screen, widget.cellX, widget.cellY, widget.spanX,
+ widget.spanY, insert);
+ }
+
+ CellLayout.CellInfo findAllVacantCells(boolean[] occupied) {
+ CellLayout group = (CellLayout) getChildAt(mCurrentScreen);
+ if (group != null) {
+ return group.findAllVacantCells(occupied);
+ }
+ return null;
+ }
+
+ /**
+ * Returns the coordinate of a vacant cell for the current screen.
+ */
+ boolean getVacantCell(int[] vacant, int spanX, int spanY) {
+ CellLayout group = (CellLayout) getChildAt(mCurrentScreen);
+ if (group != null) {
+ return group.getVacantCell(vacant, spanX, spanY);
+ }
+ return false;
+ }
+
+ /**
+ * Adds the specified child in the current screen. The position and dimension of
+ * the child are defined by x, y, spanX and spanY.
+ *
+ * @param child The child to add in one of the workspace's screens.
+ * @param spanX The number of cells spanned horizontally by the child.
+ * @param spanY The number of cells spanned vertically by the child.
+ */
+ void fitInCurrentScreen(View child, int spanX, int spanY) {
+ fitInScreen(child, mCurrentScreen, spanX, spanY);
+ }
+
+ /**
+ * Adds the specified child in the specified screen. The position and dimension of
+ * the child are defined by x, y, spanX and spanY.
+ *
+ * @param child The child to add in one of the workspace's screens.
+ * @param screen The screen in which to add the child.
+ * @param spanX The number of cells spanned horizontally by the child.
+ * @param spanY The number of cells spanned vertically by the child.
+ */
+ void fitInScreen(View child, int screen, int spanX, int spanY) {
+ if (screen < 0 || screen >= getChildCount()) {
+ throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount());
+ }
+
+ final CellLayout group = (CellLayout) getChildAt(screen);
+ boolean vacant = group.getVacantCell(mTempCell, spanX, spanY);
+ if (vacant) {
+ group.addView(child,
+ new CellLayout.LayoutParams(mTempCell[0], mTempCell[1], spanX, spanY));
+ child.setOnLongClickListener(mLongClickListener);
+ if (!(child instanceof Folder)) {
+ child.setOnLongClickListener(mLongClickListener);
+ }
+ }
+ }
+
+ /**
+ * Registers the specified listener on each screen contained in this workspace.
+ *
+ * @param l The listener used to respond to long clicks.
+ */
+ @Override
+ public void setOnLongClickListener(OnLongClickListener l) {
+ mLongClickListener = l;
+ final int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ getChildAt(i).setOnLongClickListener(l);
+ }
+ }
+
+ @Override
+ public void computeScroll() {
+ if (mScroller.computeScrollOffset()) {
+ mScrollX = mScroller.getCurrX();
+ mScrollY = mScroller.getCurrY();
+ postInvalidate();
+ } else if (mNextScreen != INVALID_SCREEN) {
+ mCurrentScreen = mNextScreen;
+ Launcher.setScreen(mCurrentScreen);
+ mNextScreen = INVALID_SCREEN;
+ clearChildrenCache();
+ }
+ }
+
+ @Override
+ protected void dispatchDraw(Canvas canvas) {
+ float x = mScrollX * mWallpaperOffset;
+ if (x + mWallpaperWidth < mRight - mLeft) {
+ x = mRight - mLeft - mWallpaperWidth;
+ }
+
+ canvas.drawBitmap(mWallpaper, x, (mBottom - mTop - mWallpaperHeight) / 2, mPaint);
+
+ // ViewGroup.dispatchDraw() supports many features we don't need:
+ // clip to padding, layout animation, animation listener, disappearing
+ // children, etc. The following implementation attempts to fast-track
+ // the drawing dispatch by drawing only what we know needs to be drawn.
+
+ boolean fastDraw = mTouchState != TOUCH_STATE_SCROLLING && mNextScreen == INVALID_SCREEN;
+ // If we are not scrolling or flinging, draw only the current screen
+ if (fastDraw) {
+ drawChild(canvas, getChildAt(mCurrentScreen), getDrawingTime());
+ } else {
+ final long drawingTime = getDrawingTime();
+ // If we are flinging, draw only the current screen and the target screen
+ if (mNextScreen >= 0 && mNextScreen < getChildCount() &&
+ Math.abs(mCurrentScreen - mNextScreen) == 1) {
+ drawChild(canvas, getChildAt(mCurrentScreen), drawingTime);
+ drawChild(canvas, getChildAt(mNextScreen), drawingTime);
+ } else {
+ // If we are scrolling, draw all of our children
+ final int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ drawChild(canvas, getChildAt(i), drawingTime);
+ }
+ }
+ }
+ }
+
+ @Override
+ protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+ super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+
+ final int width = MeasureSpec.getSize(widthMeasureSpec);
+ final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
+ if (widthMode != MeasureSpec.EXACTLY) {
+ throw new IllegalStateException("Workspace can only be used in EXACTLY mode.");
+ }
+
+ final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
+ if (heightMode != MeasureSpec.EXACTLY) {
+ throw new IllegalStateException("Workspace can only be used in EXACTLY mode.");
+ }
+
+ // The children are given the same width and height as the workspace
+ final int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec);
+ }
+
+ if (mWallpaperLoaded) {
+ mWallpaperLoaded = false;
+ mWallpaper = Utilities.centerToFit(mWallpaper, width,
+ MeasureSpec.getSize(heightMeasureSpec), getContext());
+ mWallpaperWidth = mWallpaper.getWidth();
+ mWallpaperHeight = mWallpaper.getHeight();
+ }
+
+ final int wallpaperWidth = mWallpaperWidth;
+ mWallpaperOffset = wallpaperWidth > width ? (count * width - wallpaperWidth) /
+ ((count - 1) * (float) width) : 1.0f;
+
+ if (mFirstLayout) {
+ scrollTo(mCurrentScreen * width, 0);
+ mFirstLayout = false;
+ }
+ }
+
+ @Override
+ protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+ int childLeft = 0;
+
+ final int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ final View child = getChildAt(i);
+ if (child.getVisibility() != View.GONE) {
+ final int childWidth = child.getMeasuredWidth();
+ child.layout(childLeft, 0, childLeft + childWidth, child.getMeasuredHeight());
+ childLeft += childWidth;
+ }
+ }
+ }
+
+ @Override
+ public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) {
+ int screen = indexOfChild(child);
+ if (screen != mCurrentScreen || !mScroller.isFinished()) {
+ if (!mLauncher.isWorkspaceLocked()) {
+ snapToScreen(screen);
+ }
+ return true;
+ }
+ return false;
+ }
+
+ @Override
+ protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
+ if (mLauncher.isDrawerDown()) {
+ final Folder openFolder = getOpenFolder();
+ if (openFolder != null) {
+ return openFolder.requestFocus(direction, previouslyFocusedRect);
+ } else {
+ int focusableScreen;
+ if (mNextScreen != INVALID_SCREEN) {
+ focusableScreen = mNextScreen;
+ } else {
+ focusableScreen = mCurrentScreen;
+ }
+ getChildAt(focusableScreen).requestFocus(direction, previouslyFocusedRect);
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public boolean dispatchUnhandledMove(View focused, int direction) {
+ if (direction == View.FOCUS_LEFT) {
+ if (getCurrentScreen() > 0) {
+ snapToScreen(getCurrentScreen() - 1);
+ return true;
+ }
+ } else if (direction == View.FOCUS_RIGHT) {
+ if (getCurrentScreen() < getChildCount() - 1) {
+ snapToScreen(getCurrentScreen() + 1);
+ return true;
+ }
+ }
+ return super.dispatchUnhandledMove(focused, direction);
+ }
+
+ @Override
+ public void addFocusables(ArrayList<View> views, int direction) {
+ if (mLauncher.isDrawerDown()) {
+ final Folder openFolder = getOpenFolder();
+ if (openFolder == null) {
+ getChildAt(mCurrentScreen).addFocusables(views, direction);
+ if (direction == View.FOCUS_LEFT) {
+ if (mCurrentScreen > 0) {
+ getChildAt(mCurrentScreen - 1).addFocusables(views, direction);
+ }
+ } else if (direction == View.FOCUS_RIGHT){
+ if (mCurrentScreen < getChildCount() - 1) {
+ getChildAt(mCurrentScreen + 1).addFocusables(views, direction);
+ }
+ }
+ } else {
+ openFolder.addFocusables(views, direction);
+ }
+ }
+ }
+
+ @Override
+ public boolean onInterceptTouchEvent(MotionEvent ev) {
+ if (mLocked || !mLauncher.isDrawerDown()) {
+ return true;
+ }
+
+ /*
+ * This method JUST determines whether we want to intercept the motion.
+ * If we return true, onTouchEvent will be called and we do the actual
+ * scrolling there.
+ */
+
+ /*
+ * Shortcut the most recurring case: the user is in the dragging
+ * state and he is moving his finger. We want to intercept this
+ * motion.
+ */
+ final int action = ev.getAction();
+ if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) {
+ return true;
+ }
+
+ final float x = ev.getX();
+ final float y = ev.getY();
+
+ switch (action) {
+ case MotionEvent.ACTION_MOVE:
+ /*
+ * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check
+ * whether the user has moved far enough from his original down touch.
+ */
+
+ /*
+ * Locally do absolute value. mLastMotionX is set to the y value
+ * of the down event.
+ */
+ final int xDiff = (int) Math.abs(x - mLastMotionX);
+ final int yDiff = (int) Math.abs(y - mLastMotionY);
+ final int touchSlop = ViewConfiguration.getTouchSlop();
+
+ boolean xMoved = xDiff > touchSlop;
+ boolean yMoved = yDiff > touchSlop;
+
+ if (xMoved || yMoved) {
+
+ if (xMoved) {
+ // Scroll if the user moved far enough along the X axis
+ mTouchState = TOUCH_STATE_SCROLLING;
+ enableChildrenCache();
+ }
+ // Either way, cancel any pending longpress
+ if (mAllowLongPress) {
+ mAllowLongPress = false;
+ // Try canceling the long press. It could also have been scheduled
+ // by a distant descendant, so use the mAllowLongPress flag to block
+ // everything
+ final View currentScreen = getChildAt(mCurrentScreen);
+ currentScreen.cancelLongPress();
+ }
+ }
+ break;
+
+ case MotionEvent.ACTION_DOWN:
+ // Remember location of down touch
+ mLastMotionX = x;
+ mLastMotionY = y;
+ mAllowLongPress = true;
+
+ /*
+ * If being flinged and user touches the screen, initiate drag;
+ * otherwise don't. mScroller.isFinished should be false when
+ * being flinged.
+ */
+ mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING;
+ break;
+
+ case MotionEvent.ACTION_CANCEL:
+ case MotionEvent.ACTION_UP:
+ // Release the drag
+ clearChildrenCache();
+ mTouchState = TOUCH_STATE_REST;
+ break;
+ }
+
+ /*
+ * The only time we want to intercept motion events is if we are in the
+ * drag mode.
+ */
+ return mTouchState != TOUCH_STATE_REST;
+ }
+
+ void enableChildrenCache() {
+ final int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ final CellLayout layout = (CellLayout) getChildAt(i);
+ layout.setChildrenDrawnWithCacheEnabled(true);
+ layout.setChildrenDrawingCacheEnabled(true);
+ }
+ }
+
+ void clearChildrenCache() {
+ final int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ final CellLayout layout = (CellLayout) getChildAt(i);
+ layout.setChildrenDrawnWithCacheEnabled(false);
+ }
+ }
+
+ @Override
+ public boolean onTouchEvent(MotionEvent ev) {
+ if (mLocked || !mLauncher.isDrawerDown()) {
+ return true;
+ }
+
+ if (mVelocityTracker == null) {
+ mVelocityTracker = VelocityTracker.obtain();
+ }
+ mVelocityTracker.addMovement(ev);
+
+ final int action = ev.getAction();
+ final float x = ev.getX();
+
+ switch (action) {
+ case MotionEvent.ACTION_DOWN:
+ /*
+ * If being flinged and user touches, stop the fling. isFinished
+ * will be false if being flinged.
+ */
+ if (!mScroller.isFinished()) {
+ mScroller.abortAnimation();
+ }
+
+ // Remember where the motion event started
+ mLastMotionX = x;
+ break;
+ case MotionEvent.ACTION_MOVE:
+ if (mTouchState == TOUCH_STATE_SCROLLING) {
+ // Scroll to follow the motion event
+ final int deltaX = (int) (mLastMotionX - x);
+ mLastMotionX = x;
+
+ if (deltaX < 0) {
+ if (mScrollX > 0) {
+ scrollBy(Math.max(-mScrollX, deltaX), 0);
+ }
+ } else if (deltaX > 0) {
+ final int availableToScroll = getChildAt(getChildCount() - 1).getRight() -
+ mScrollX - getWidth();
+ if (availableToScroll > 0) {
+ scrollBy(Math.min(availableToScroll, deltaX), 0);
+ }
+ }
+ }
+ break;
+ case MotionEvent.ACTION_UP:
+ if (mTouchState == TOUCH_STATE_SCROLLING) {
+ final VelocityTracker velocityTracker = mVelocityTracker;
+ velocityTracker.computeCurrentVelocity(1000);
+ int velocityX = (int) velocityTracker.getXVelocity();
+
+ if (velocityX > SNAP_VELOCITY && mCurrentScreen > 0) {
+ // Fling hard enough to move left
+ snapToScreen(mCurrentScreen - 1);
+ } else if (velocityX < -SNAP_VELOCITY && mCurrentScreen < getChildCount() - 1) {
+ // Fling hard enough to move right
+ snapToScreen(mCurrentScreen + 1);
+ } else {
+ snapToDestination();
+ }
+
+ if (mVelocityTracker != null) {
+ mVelocityTracker.recycle();
+ mVelocityTracker = null;
+ }
+ }
+ mTouchState = TOUCH_STATE_REST;
+ break;
+ case MotionEvent.ACTION_CANCEL:
+ mTouchState = TOUCH_STATE_REST;
+ }
+
+ return true;
+ }
+
+ private void snapToDestination() {
+ final int screenWidth = getWidth();
+ final int whichScreen = (mScrollX + (screenWidth / 2)) / screenWidth;
+
+ snapToScreen(whichScreen);
+ }
+
+ void snapToScreen(int whichScreen) {
+ enableChildrenCache();
+
+ boolean changingScreens = whichScreen != mCurrentScreen;
+
+ mNextScreen = whichScreen;
+
+ View focusedChild = getFocusedChild();
+ if (focusedChild != null && changingScreens && focusedChild == getChildAt(mCurrentScreen)) {
+ focusedChild.clearFocus();
+ }
+
+ final int newX = whichScreen * getWidth();
+ final int delta = newX - mScrollX;
+ mScroller.startScroll(mScrollX, 0, delta, 0, Math.abs(delta) * 2);
+ invalidate();
+ }
+
+ void startDrag(CellLayout.CellInfo cellInfo) {
+ View child = cellInfo.cell;
+
+ // Make sure the drag was started by a long press as opposed to a long click.
+ // Note that Search takes focus when clicked rather than entering touch mode
+ if (!child.isInTouchMode() && !(child instanceof Search)) {
+ return;
+ }
+
+ mDragInfo = cellInfo;
+ mDragInfo.screen = mCurrentScreen;
+
+ CellLayout current = ((CellLayout) getChildAt(mCurrentScreen));
+
+ current.onDragChild(child);
+ mDragger.startDrag(child, this, child.getTag(), DragController.DRAG_ACTION_MOVE);
+ invalidate();
+ }
+
+ @Override
+ protected Parcelable onSaveInstanceState() {
+ final SavedState state = new SavedState(super.onSaveInstanceState());
+ state.currentScreen = mCurrentScreen;
+ return state;
+ }
+
+ @Override
+ protected void onRestoreInstanceState(Parcelable state) {
+ SavedState savedState = (SavedState) state;
+ super.onRestoreInstanceState(savedState.getSuperState());
+ if (savedState.currentScreen != -1) {
+ mCurrentScreen = savedState.currentScreen;
+ Launcher.setScreen(mCurrentScreen);
+ }
+ }
+
+ void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo) {
+ final CellLayout layout = (CellLayout) getChildAt(cellInfo.screen);
+ final int[] result = new int[2];
+
+ layout.cellToPoint(cellInfo.cellX, cellInfo.cellY, result);
+ onDropExternal(result[0], result[1], info, layout);
+ }
+
+ public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo) {
+ final CellLayout cellLayout = (CellLayout) getChildAt(mCurrentScreen);
+ if (source != this) {
+ onDropExternal(x - xOffset, y - yOffset, dragInfo, cellLayout);
+ } else {
+ // Move internally
+ if (mDragInfo != null) {
+ final View cell = mDragInfo.cell;
+ if (mCurrentScreen != mDragInfo.screen) {
+ final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen);
+ originalCellLayout.removeView(cell);
+ cellLayout.addView(cell);
+ }
+ cellLayout.onDropChild(cell, x - xOffset, y - yOffset);
+
+ final ItemInfo info = (ItemInfo)cell.getTag();
+ CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams();
+ LauncherModel.moveItemInDatabase(mLauncher, info,
+ Settings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY);
+ }
+ }
+ }
+
+ public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ }
+
+ public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ }
+
+ public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+ }
+
+ private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout) {
+ // Drag from somewhere else
+ ItemInfo info = (ItemInfo) dragInfo;
+
+ View view;
+
+ switch (info.itemType) {
+ case Settings.Favorites.ITEM_TYPE_APPLICATION:
+ case Settings.Favorites.ITEM_TYPE_SHORTCUT:
+ if (info.container == NO_ID) {
+ // Came from all apps -- make a copy
+ info = new ApplicationInfo((ApplicationInfo) info);
+ }
+ view = mLauncher.createShortcut(R.layout.application, cellLayout,
+ (ApplicationInfo) info);
+ break;
+ case Settings.Favorites.ITEM_TYPE_USER_FOLDER:
+ view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher,
+ (ViewGroup) getChildAt(mCurrentScreen), ((UserFolderInfo) info));
+ break;
+ default:
+ throw new IllegalStateException("Unknown item type: " + info.itemType);
+ }
+
+ cellLayout.addView(view);
+ view.setOnLongClickListener(mLongClickListener);
+ cellLayout.onDropChild(view, x, y);
+ CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams();
+
+ final LauncherModel model = Launcher.getModel();
+ model.addDesktopItem(info);
+ LauncherModel.addOrMoveItemInDatabase(mLauncher, info,
+ Settings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY);
+ }
+
+ public boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset,
+ Object dragInfo) {
+
+ final CellLayout.CellInfo cellInfo = mDragInfo;
+ int cellHSpan = cellInfo == null ? 1 : cellInfo.spanX;
+ int cellVSpan = cellInfo == null ? 1 : cellInfo.spanY;
+
+ return ((CellLayout) getChildAt(mCurrentScreen)).acceptChildDrop(x - xOffset, y - yOffset,
+ cellHSpan, cellVSpan, cellInfo == null ? null : cellInfo.cell);
+ }
+
+ void setLauncher(Launcher launcher) {
+ mLauncher = launcher;
+ }
+
+ public void setDragger(DragController dragger) {
+ mDragger = dragger;
+ }
+
+ public void onDropCompleted(View target, boolean success) {
+ if (success){
+ if (target != this && mDragInfo != null) {
+ final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen);
+ cellLayout.removeView(mDragInfo.cell);
+ final Object tag = mDragInfo.cell.getTag();
+ Launcher.getModel().removeDesktopItem((ItemInfo) tag);
+ }
+ } else {
+ if (mDragInfo != null) {
+ final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen);
+ cellLayout.onDropAborted(mDragInfo.cell);
+ }
+ }
+
+ mDragInfo = null;
+ }
+
+ public void scrollLeft() {
+ if (mNextScreen == INVALID_SCREEN && mCurrentScreen > 0 && mScroller.isFinished()) {
+ snapToScreen(mCurrentScreen - 1);
+ }
+ }
+
+ public void scrollRight() {
+ if (mNextScreen == INVALID_SCREEN && mCurrentScreen < getChildCount() -1 &&
+ mScroller.isFinished()) {
+ snapToScreen(mCurrentScreen + 1);
+ }
+ }
+
+ public int getScreenForView(View v) {
+ int result = -1;
+ if (v != null) {
+ ViewParent vp = v.getParent();
+ int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ if (vp == getChildAt(i)) {
+ return i;
+ }
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Find a search widget on the given screen
+ */
+ private View findSearchWidget(CellLayout screen) {
+ final int count = screen.getChildCount();
+ for (int i = 0; i < count; i++) {
+ View v = screen.getChildAt(i);
+ if (v instanceof Search) {
+ return v;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Focuses on the search widget on the specified screen,
+ * if there is one. Also clears the current search selection so we don't
+ */
+ private boolean focusOnSearch(int screen) {
+ CellLayout currentScreen = (CellLayout)getChildAt(screen);
+ Search searchWidget = (Search)findSearchWidget(currentScreen);
+ if (searchWidget != null) {
+ if (isInTouchMode()) {
+ searchWidget.requestFocusFromTouch();
+ } else {
+ searchWidget.requestFocus();
+ }
+ searchWidget.clearQuery();
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Snap to the nearest screen with a search widget and give it focus
+ *
+ * @return True if a search widget was found
+ */
+ public boolean snapToSearch() {
+ // The screen we are searching
+ int current = mCurrentScreen;
+
+ // first position scanned so far
+ int first = current;
+
+ // last position scanned so far
+ int last = current;
+
+ // True if we should move down on the next iteration
+ boolean next = false;
+
+ // True when we have looked at the first item in the data
+ boolean hitFirst;
+
+ // True when we have looked at the last item in the data
+ boolean hitLast;
+
+ final int count = getChildCount();
+
+ while (true) {
+ if (focusOnSearch(current)) {
+ return true;
+ }
+
+ hitLast = last == count - 1;
+ hitFirst = first == 0;
+
+ if (hitLast && hitFirst) {
+ // Looked at everything
+ break;
+ }
+
+ if (hitFirst || (next && !hitLast)) {
+ // Either we hit the top, or we are trying to move down
+ last++;
+ current = last;
+ // Try going up next time
+ next = false;
+ } else {
+ // Either we hit the bottom, or we are trying to move up
+ first--;
+ current = first;
+ // Try going down next time
+ next = true;
+ }
+
+ }
+ return false;
+ }
+
+ public Folder getFolderForTag(Object tag) {
+ int screenCount = getChildCount();
+ for (int screen = 0; screen < screenCount; screen++) {
+ CellLayout currentScreen = ((CellLayout) getChildAt(screen));
+ int count = currentScreen.getChildCount();
+ for (int i = 0; i < count; i++) {
+ View child = currentScreen.getChildAt(i);
+ CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
+ if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) {
+ Folder f = (Folder) child;
+ if (f.getInfo() == tag) {
+ return f;
+ }
+ }
+ }
+ }
+ return null;
+ }
+
+ public View getViewForTag(Object tag) {
+ int screenCount = getChildCount();
+ for (int screen = 0; screen < screenCount; screen++) {
+ CellLayout currentScreen = ((CellLayout) getChildAt(screen));
+ int count = currentScreen.getChildCount();
+ for (int i = 0; i < count; i++) {
+ View child = currentScreen.getChildAt(i);
+ if (child.getTag() == tag) {
+ return child;
+ }
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Unlocks the SlidingDrawer so that touch events are processed.
+ *
+ * @see #lock()
+ */
+ public void unlock() {
+ mLocked = false;
+ }
+
+ /**
+ * Locks the SlidingDrawer so that touch events are ignores.
+ *
+ * @see #unlock()
+ */
+ public void lock() {
+ mLocked = true;
+ }
+
+ /**
+ * @return True is long presses are still allowed for the current touch
+ */
+ public boolean allowLongPress() {
+ return mAllowLongPress;
+ }
+
+ void removeShortcutsForPackage(String packageName) {
+ final ArrayList<View> childrenToRemove = new ArrayList<View>();
+ final LauncherModel model = Launcher.getModel();
+ final int count = getChildCount();
+ for (int i = 0; i < count; i++) {
+ final CellLayout layout = (CellLayout) getChildAt(i);
+ int childCount = layout.getChildCount();
+ childrenToRemove.clear();
+ for (int j = 0; j < childCount; j++) {
+ final View view = layout.getChildAt(j);
+ Object tag = view.getTag();
+ if (tag instanceof ApplicationInfo) {
+ ApplicationInfo info = (ApplicationInfo) tag;
+ if (packageName.equals(info.intent.getComponent().getPackageName())) {
+ model.removeDesktopItem(info);
+ LauncherModel.deleteItemFromDatabase(mLauncher, info);
+ childrenToRemove.add(view);
+ }
+ }
+ }
+ childCount = childrenToRemove.size();
+ for (int j = 0; j < childCount; j++) {
+ layout.removeViewInLayout(childrenToRemove.get(j));
+ }
+ if (childCount > 0) {
+ layout.requestLayout();
+ layout.invalidate();
+ }
+ }
+ }
+
+ void moveToDefaultScreen() {
+ snapToScreen(mDefaultScreen);
+ getChildAt(mDefaultScreen).requestFocus();
+ }
+
+ public static class SavedState extends BaseSavedState {
+ int currentScreen = -1;
+
+ SavedState(Parcelable superState) {
+ super(superState);
+ }
+
+ private SavedState(Parcel in) {
+ super(in);
+ currentScreen = in.readInt();
+ }
+
+ @Override
+ public void writeToParcel(Parcel out, int flags) {
+ super.writeToParcel(out, flags);
+ out.writeInt(currentScreen);
+ }
+
+ public static final Parcelable.Creator<SavedState> CREATOR =
+ new Parcelable.Creator<SavedState>() {
+ public SavedState createFromParcel(Parcel in) {
+ return new SavedState(in);
+ }
+
+ public SavedState[] newArray(int size) {
+ return new SavedState[size];
+ }
+ };
+ }
+}