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The Android Open Source Project31dd5032009-03-03 19:32:27 -08001/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Joe Onoratoa5902522009-07-30 13:37:37 -070017package com.android.launcher2;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080018
Adam Cohendf2cc412011-04-27 16:56:57 -070019import android.animation.Animator;
20import android.animation.AnimatorListenerAdapter;
Adam Cohendf2cc412011-04-27 16:56:57 -070021import android.animation.ObjectAnimator;
22import android.animation.PropertyValuesHolder;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080023import android.content.Context;
Adam Cohen76fc0852011-06-17 13:26:23 -070024import android.content.res.Resources;
Romain Guyfb5411e2010-02-24 10:04:17 -080025import android.graphics.Rect;
Adam Cohenbadf71e2011-05-26 19:08:29 -070026import android.graphics.drawable.Drawable;
Adam Cohen7a14d0b2011-06-24 11:36:35 -070027import android.text.InputType;
Adam Cohene601a432011-07-26 21:51:30 -070028import android.text.Selection;
29import android.text.Spannable;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080030import android.util.AttributeSet;
Adam Cohen76fc0852011-06-17 13:26:23 -070031import android.view.ActionMode;
32import android.view.KeyEvent;
Adam Cohendf2cc412011-04-27 16:56:57 -070033import android.view.LayoutInflater;
Adam Cohen76fc0852011-06-17 13:26:23 -070034import android.view.Menu;
35import android.view.MenuItem;
Adam Cohen0c872ba2011-05-05 10:34:16 -070036import android.view.MotionEvent;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080037import android.view.View;
Michael Jurka4d596492012-01-16 06:43:49 -080038import android.view.View.MeasureSpec;
Adam Cohen3371da02011-10-25 21:38:29 -070039import android.view.accessibility.AccessibilityEvent;
40import android.view.accessibility.AccessibilityManager;
Adam Cohen76fc0852011-06-17 13:26:23 -070041import android.view.inputmethod.EditorInfo;
42import android.view.inputmethod.InputMethodManager;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080043import android.widget.LinearLayout;
Adam Cohendf2cc412011-04-27 16:56:57 -070044import android.widget.TextView;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080045
Romain Guyedcce092010-03-04 13:03:17 -080046import com.android.launcher.R;
Adam Cohena9cf38f2011-05-02 15:36:58 -070047import com.android.launcher2.FolderInfo.FolderListener;
Romain Guyedcce092010-03-04 13:03:17 -080048
Adam Cohenc0dcf592011-06-01 15:30:43 -070049import java.util.ArrayList;
50
The Android Open Source Project31dd5032009-03-03 19:32:27 -080051/**
52 * Represents a set of icons chosen by the user or generated by the system.
53 */
Adam Cohen8dfcba42011-07-07 16:38:18 -070054public class Folder extends LinearLayout implements DragSource, View.OnClickListener,
Adam Cohenea0818d2011-09-30 20:06:58 -070055 View.OnLongClickListener, DropTarget, FolderListener, TextView.OnEditorActionListener,
56 View.OnFocusChangeListener {
The Android Open Source Project31dd5032009-03-03 19:32:27 -080057
Adam Cohendf2cc412011-04-27 16:56:57 -070058 private static final String TAG = "Launcher.Folder";
59
Adam Cohen4eac29a2011-07-11 17:53:37 -070060 protected DragController mDragController;
61 protected Launcher mLauncher;
62 protected FolderInfo mInfo;
63
Adam Cohendf2cc412011-04-27 16:56:57 -070064 static final int STATE_NONE = -1;
65 static final int STATE_SMALL = 0;
66 static final int STATE_ANIMATING = 1;
67 static final int STATE_OPEN = 2;
68
69 private int mExpandDuration;
70 protected CellLayout mContent;
71 private final LayoutInflater mInflater;
72 private final IconCache mIconCache;
73 private int mState = STATE_NONE;
Adam Cohenbfbfd262011-06-13 16:55:12 -070074 private static final int REORDER_ANIMATION_DURATION = 230;
75 private static final int ON_EXIT_CLOSE_DELAY = 800;
Adam Cohen2801caf2011-05-13 20:57:39 -070076 private boolean mRearrangeOnClose = false;
77 private FolderIcon mFolderIcon;
78 private int mMaxCountX;
79 private int mMaxCountY;
Adam Cohen78dc83e2011-11-15 17:10:00 -080080 private int mMaxNumItems;
Adam Cohen7c693212011-05-18 15:26:57 -070081 private ArrayList<View> mItemsInReadingOrder = new ArrayList<View>();
Adam Cohenbadf71e2011-05-26 19:08:29 -070082 private Drawable mIconDrawable;
Adam Cohen7c693212011-05-18 15:26:57 -070083 boolean mItemsInvalidated = false;
Adam Cohenbfbfd262011-06-13 16:55:12 -070084 private ShortcutInfo mCurrentDragInfo;
85 private View mCurrentDragView;
86 boolean mSuppressOnAdd = false;
87 private int[] mTargetCell = new int[2];
88 private int[] mPreviousTargetCell = new int[2];
89 private int[] mEmptyCell = new int[2];
90 private Alarm mReorderAlarm = new Alarm();
91 private Alarm mOnExitAlarm = new Alarm();
Adam Cohen76fc0852011-06-17 13:26:23 -070092 private int mFolderNameHeight;
Adam Cohen8e776a62011-06-28 18:10:06 -070093 private Rect mTempRect = new Rect();
Adam Cohen67bd9cc2011-07-29 14:07:04 -070094 private boolean mDragInProgress = false;
95 private boolean mDeleteFolderOnDropCompleted = false;
96 private boolean mSuppressFolderDeletion = false;
Adam Cohen05e0f402011-08-01 12:12:49 -070097 private boolean mItemAddedBackToSelfViaIcon = false;
Adam Cohenac56cff2011-09-28 20:45:37 -070098 FolderEditText mFolderName;
Adam Cohen228da5a2011-07-27 22:23:47 -070099
Adam Cohen76fc0852011-06-17 13:26:23 -0700100 private boolean mIsEditingName = false;
101 private InputMethodManager mInputMethodManager;
Adam Cohendf2cc412011-04-27 16:56:57 -0700102
Adam Cohena65beee2011-06-27 21:32:23 -0700103 private static String sDefaultFolderName;
104 private static String sHintText;
105
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800106 /**
107 * Used to inflate the Workspace from XML.
108 *
109 * @param context The application's context.
110 * @param attrs The attribtues set containing the Workspace's customization values.
111 */
112 public Folder(Context context, AttributeSet attrs) {
113 super(context, attrs);
114 setAlwaysDrawnWithCacheEnabled(false);
Adam Cohendf2cc412011-04-27 16:56:57 -0700115 mInflater = LayoutInflater.from(context);
116 mIconCache = ((LauncherApplication)context.getApplicationContext()).getIconCache();
Adam Cohen78dc83e2011-11-15 17:10:00 -0800117
118 Resources res = getResources();
119 mMaxCountX = res.getInteger(R.integer.folder_max_count_x);
120 mMaxCountY = res.getInteger(R.integer.folder_max_count_y);
121 mMaxNumItems = res.getInteger(R.integer.folder_max_num_items);
122 if (mMaxCountX < 0 || mMaxCountY < 0 || mMaxNumItems < 0) {
123 mMaxCountX = LauncherModel.getCellCountX();
124 mMaxCountY = LauncherModel.getCellCountY();
125 mMaxNumItems = mMaxCountX * mMaxCountY;
126 }
Adam Cohen76fc0852011-06-17 13:26:23 -0700127
128 mInputMethodManager = (InputMethodManager)
129 mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
130
Adam Cohen76fc0852011-06-17 13:26:23 -0700131 mExpandDuration = res.getInteger(R.integer.config_folderAnimDuration);
Adam Cohen4ef610f2011-06-21 22:37:36 -0700132
133 if (sDefaultFolderName == null) {
134 sDefaultFolderName = res.getString(R.string.folder_name);
135 }
Adam Cohena65beee2011-06-27 21:32:23 -0700136 if (sHintText == null) {
137 sHintText = res.getString(R.string.folder_hint_text);
138 }
Adam Cohen4eac29a2011-07-11 17:53:37 -0700139 mLauncher = (Launcher) context;
Adam Cohenac56cff2011-09-28 20:45:37 -0700140 // We need this view to be focusable in touch mode so that when text editing of the folder
141 // name is complete, we have something to focus on, thus hiding the cursor and giving
142 // reliable behvior when clicking the text field (since it will always gain focus on click).
143 setFocusableInTouchMode(true);
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800144 }
145
146 @Override
147 protected void onFinishInflate() {
148 super.onFinishInflate();
Adam Cohendf2cc412011-04-27 16:56:57 -0700149 mContent = (CellLayout) findViewById(R.id.folder_content);
Adam Cohen2801caf2011-05-13 20:57:39 -0700150 mContent.setGridSize(0, 0);
Michael Jurkaa52570f2012-03-20 03:18:20 -0700151 mContent.getShortcutsAndWidgets().setMotionEventSplittingEnabled(false);
Adam Cohenac56cff2011-09-28 20:45:37 -0700152 mFolderName = (FolderEditText) findViewById(R.id.folder_name);
153 mFolderName.setFolder(this);
Adam Cohenea0818d2011-09-30 20:06:58 -0700154 mFolderName.setOnFocusChangeListener(this);
Adam Cohen76fc0852011-06-17 13:26:23 -0700155
156 // We find out how tall the text view wants to be (it is set to wrap_content), so that
157 // we can allocate the appropriate amount of space for it.
158 int measureSpec = MeasureSpec.UNSPECIFIED;
159 mFolderName.measure(measureSpec, measureSpec);
160 mFolderNameHeight = mFolderName.getMeasuredHeight();
161
162 // We disable action mode for now since it messes up the view on phones
163 mFolderName.setCustomSelectionActionModeCallback(mActionModeCallback);
Adam Cohen76fc0852011-06-17 13:26:23 -0700164 mFolderName.setOnEditorActionListener(this);
Adam Cohen4ef610f2011-06-21 22:37:36 -0700165 mFolderName.setSelectAllOnFocus(true);
Adam Cohen7a14d0b2011-06-24 11:36:35 -0700166 mFolderName.setInputType(mFolderName.getInputType() |
167 InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS | InputType.TYPE_TEXT_FLAG_CAP_WORDS);
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800168 }
Adam Cohen2801caf2011-05-13 20:57:39 -0700169
Adam Cohen76fc0852011-06-17 13:26:23 -0700170 private ActionMode.Callback mActionModeCallback = new ActionMode.Callback() {
171 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
172 return false;
173 }
174
175 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
176 return false;
177 }
178
179 public void onDestroyActionMode(ActionMode mode) {
180 }
181
182 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
183 return false;
184 }
185 };
186
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800187 public void onClick(View v) {
Adam Cohendf2cc412011-04-27 16:56:57 -0700188 Object tag = v.getTag();
189 if (tag instanceof ShortcutInfo) {
190 // refactor this code from Folder
191 ShortcutInfo item = (ShortcutInfo) tag;
192 int[] pos = new int[2];
193 v.getLocationOnScreen(pos);
194 item.intent.setSourceBounds(new Rect(pos[0], pos[1],
195 pos[0] + v.getWidth(), pos[1] + v.getHeight()));
196 mLauncher.startActivitySafely(item.intent, item);
Adam Cohendf2cc412011-04-27 16:56:57 -0700197 }
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800198 }
199
200 public boolean onLongClick(View v) {
Adam Cohendf2cc412011-04-27 16:56:57 -0700201 Object tag = v.getTag();
202 if (tag instanceof ShortcutInfo) {
Adam Cohendf2cc412011-04-27 16:56:57 -0700203 ShortcutInfo item = (ShortcutInfo) tag;
204 if (!v.isInTouchMode()) {
205 return false;
206 }
207
Winson Chung7d7541e2011-09-16 20:14:36 -0700208 mLauncher.dismissFolderCling(null);
209
Adam Cohendf2cc412011-04-27 16:56:57 -0700210 mLauncher.getWorkspace().onDragStartedWithItem(v);
Adam Cohenac8c8762011-07-13 11:15:27 -0700211 mLauncher.getWorkspace().beginDragShared(v, this);
Adam Cohenbadf71e2011-05-26 19:08:29 -0700212 mIconDrawable = ((TextView) v).getCompoundDrawables()[1];
Adam Cohen76078c42011-06-09 15:06:52 -0700213
214 mCurrentDragInfo = item;
Adam Cohenbfbfd262011-06-13 16:55:12 -0700215 mEmptyCell[0] = item.cellX;
216 mEmptyCell[1] = item.cellY;
217 mCurrentDragView = v;
Adam Cohenfc53cd22011-07-20 15:45:11 -0700218
219 mContent.removeView(mCurrentDragView);
220 mInfo.remove(mCurrentDragInfo);
Adam Cohen67bd9cc2011-07-29 14:07:04 -0700221 mDragInProgress = true;
Adam Cohen05e0f402011-08-01 12:12:49 -0700222 mItemAddedBackToSelfViaIcon = false;
Adam Cohendf2cc412011-04-27 16:56:57 -0700223 }
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800224 return true;
225 }
226
Adam Cohen76fc0852011-06-17 13:26:23 -0700227 public boolean isEditingName() {
228 return mIsEditingName;
229 }
230
231 public void startEditingFolderName() {
Adam Cohena65beee2011-06-27 21:32:23 -0700232 mFolderName.setHint("");
Adam Cohen76fc0852011-06-17 13:26:23 -0700233 mIsEditingName = true;
234 }
235
236 public void dismissEditingName() {
237 mInputMethodManager.hideSoftInputFromWindow(getWindowToken(), 0);
238 doneEditingFolderName(true);
239 }
240
241 public void doneEditingFolderName(boolean commit) {
Adam Cohena65beee2011-06-27 21:32:23 -0700242 mFolderName.setHint(sHintText);
Adam Cohen1df26a32011-08-12 16:15:23 -0700243 // Convert to a string here to ensure that no other state associated with the text field
244 // gets saved.
Adam Cohen3371da02011-10-25 21:38:29 -0700245 String newTitle = mFolderName.getText().toString();
246 mInfo.setTitle(newTitle);
Adam Cohen76fc0852011-06-17 13:26:23 -0700247 LauncherModel.updateItemInDatabase(mLauncher, mInfo);
Adam Cohenac56cff2011-09-28 20:45:37 -0700248
Adam Cohen3371da02011-10-25 21:38:29 -0700249 if (commit) {
250 sendCustomAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
251 String.format(mContext.getString(R.string.folder_renamed), newTitle));
252 }
Adam Cohenac56cff2011-09-28 20:45:37 -0700253 // In order to clear the focus from the text field, we set the focus on ourself. This
254 // ensures that every time the field is clicked, focus is gained, giving reliable behavior.
255 requestFocus();
256
Adam Cohene601a432011-07-26 21:51:30 -0700257 Selection.setSelection((Spannable) mFolderName.getText(), 0, 0);
Adam Cohen76fc0852011-06-17 13:26:23 -0700258 mIsEditingName = false;
259 }
260
261 public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
262 if (actionId == EditorInfo.IME_ACTION_DONE) {
263 dismissEditingName();
264 return true;
265 }
266 return false;
267 }
268
269 public View getEditTextRegion() {
270 return mFolderName;
271 }
272
Adam Cohenbadf71e2011-05-26 19:08:29 -0700273 public Drawable getDragDrawable() {
274 return mIconDrawable;
275 }
276
Adam Cohen0c872ba2011-05-05 10:34:16 -0700277 /**
278 * We need to handle touch events to prevent them from falling through to the workspace below.
279 */
280 @Override
281 public boolean onTouchEvent(MotionEvent ev) {
282 return true;
283 }
284
Joe Onorato00acb122009-08-04 16:04:30 -0400285 public void setDragController(DragController dragController) {
286 mDragController = dragController;
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800287 }
288
Adam Cohen2801caf2011-05-13 20:57:39 -0700289 void setFolderIcon(FolderIcon icon) {
290 mFolderIcon = icon;
291 }
292
Adam Cohen3371da02011-10-25 21:38:29 -0700293 @Override
294 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
295 // When the folder gets focus, we don't want to announce the list of items.
296 return true;
297 }
298
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800299 /**
300 * @return the FolderInfo object associated with this folder
301 */
302 FolderInfo getInfo() {
303 return mInfo;
304 }
305
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800306 void bind(FolderInfo info) {
307 mInfo = info;
Adam Cohendf2cc412011-04-27 16:56:57 -0700308 ArrayList<ShortcutInfo> children = info.contents;
Adam Cohenc508b2d2011-06-28 14:41:44 -0700309 ArrayList<ShortcutInfo> overflow = new ArrayList<ShortcutInfo>();
Adam Cohen7c693212011-05-18 15:26:57 -0700310 setupContentForNumItems(children.size());
Adam Cohen0057bbc2011-08-12 18:30:51 -0700311 int count = 0;
Adam Cohendf2cc412011-04-27 16:56:57 -0700312 for (int i = 0; i < children.size(); i++) {
313 ShortcutInfo child = (ShortcutInfo) children.get(i);
Adam Cohenc508b2d2011-06-28 14:41:44 -0700314 if (!createAndAddShortcut(child)) {
315 overflow.add(child);
Adam Cohen0057bbc2011-08-12 18:30:51 -0700316 } else {
317 count++;
Adam Cohenc508b2d2011-06-28 14:41:44 -0700318 }
Adam Cohendf2cc412011-04-27 16:56:57 -0700319 }
Adam Cohenc508b2d2011-06-28 14:41:44 -0700320
Adam Cohen0057bbc2011-08-12 18:30:51 -0700321 // We rearrange the items in case there are any empty gaps
322 setupContentForNumItems(count);
323
Adam Cohenc508b2d2011-06-28 14:41:44 -0700324 // If our folder has too many items we prune them from the list. This is an issue
325 // when upgrading from the old Folders implementation which could contain an unlimited
326 // number of items.
327 for (ShortcutInfo item: overflow) {
328 mInfo.remove(item);
329 LauncherModel.deleteItemFromDatabase(mLauncher, item);
330 }
331
Adam Cohen4dbe6d92011-05-18 17:14:15 -0700332 mItemsInvalidated = true;
Adam Cohenac56cff2011-09-28 20:45:37 -0700333 updateTextViewFocus();
Adam Cohena9cf38f2011-05-02 15:36:58 -0700334 mInfo.addListener(this);
Adam Cohen4ef610f2011-06-21 22:37:36 -0700335
Adam Cohenafb01ee2011-06-23 15:38:03 -0700336 if (!sDefaultFolderName.contentEquals(mInfo.title)) {
Adam Cohen4ef610f2011-06-21 22:37:36 -0700337 mFolderName.setText(mInfo.title);
338 } else {
339 mFolderName.setText("");
340 }
Adam Cohendf2cc412011-04-27 16:56:57 -0700341 }
342
343 /**
344 * Creates a new UserFolder, inflated from R.layout.user_folder.
345 *
346 * @param context The application's context.
347 *
348 * @return A new UserFolder.
349 */
350 static Folder fromXml(Context context) {
351 return (Folder) LayoutInflater.from(context).inflate(R.layout.user_folder, null);
352 }
353
354 /**
355 * This method is intended to make the UserFolder to be visually identical in size and position
356 * to its associated FolderIcon. This allows for a seamless transition into the expanded state.
357 */
358 private void positionAndSizeAsIcon() {
Adam Cohen3e8f8112011-07-02 18:03:00 -0700359 if (!(getParent() instanceof DragLayer)) return;
Adam Cohen662b5982011-12-13 17:45:21 -0800360 setScaleX(0.8f);
361 setScaleY(0.8f);
362 setAlpha(0f);
Adam Cohendf2cc412011-04-27 16:56:57 -0700363 mState = STATE_SMALL;
364 }
365
366 public void animateOpen() {
Adam Cohen3e8f8112011-07-02 18:03:00 -0700367 positionAndSizeAsIcon();
368
Adam Cohen8e776a62011-06-28 18:10:06 -0700369 if (!(getParent() instanceof DragLayer)) return;
Adam Cohen2801caf2011-05-13 20:57:39 -0700370 centerAboutIcon();
Adam Cohen662b5982011-12-13 17:45:21 -0800371 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1);
372 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f);
373 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f);
374 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(this, alpha, scaleX, scaleY);
Adam Cohen6441de02011-12-14 14:25:32 -0800375
Adam Cohen2801caf2011-05-13 20:57:39 -0700376 oa.addListener(new AnimatorListenerAdapter() {
Adam Cohendf2cc412011-04-27 16:56:57 -0700377 @Override
378 public void onAnimationStart(Animator animation) {
Adam Cohen3371da02011-10-25 21:38:29 -0700379 sendCustomAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
380 String.format(mContext.getString(R.string.folder_opened),
381 mContent.getCountX(), mContent.getCountY()));
Adam Cohendf2cc412011-04-27 16:56:57 -0700382 mState = STATE_ANIMATING;
383 }
384 @Override
385 public void onAnimationEnd(Animator animation) {
Adam Cohen2801caf2011-05-13 20:57:39 -0700386 mState = STATE_OPEN;
Winson Chung7a74ac92011-09-20 17:43:51 -0700387
388 Cling cling = mLauncher.showFirstRunFoldersCling();
389 if (cling != null) {
390 cling.bringToFront();
391 }
Adam Cohenac56cff2011-09-28 20:45:37 -0700392 setFocusOnFirstChild();
Adam Cohendf2cc412011-04-27 16:56:57 -0700393 }
394 });
Adam Cohen2801caf2011-05-13 20:57:39 -0700395 oa.setDuration(mExpandDuration);
396 oa.start();
Adam Cohendf2cc412011-04-27 16:56:57 -0700397 }
398
Adam Cohen3371da02011-10-25 21:38:29 -0700399 private void sendCustomAccessibilityEvent(int type, String text) {
400 if (AccessibilityManager.getInstance(mContext).isEnabled()) {
401 AccessibilityEvent event = AccessibilityEvent.obtain(type);
402 onInitializeAccessibilityEvent(event);
403 event.getText().add(text);
404 AccessibilityManager.getInstance(mContext).sendAccessibilityEvent(event);
405 }
406 }
407
Adam Cohenac56cff2011-09-28 20:45:37 -0700408 private void setFocusOnFirstChild() {
409 View firstChild = mContent.getChildAt(0, 0);
410 if (firstChild != null) {
411 firstChild.requestFocus();
412 }
413 }
414
Adam Cohendf2cc412011-04-27 16:56:57 -0700415 public void animateClosed() {
Adam Cohen8e776a62011-06-28 18:10:06 -0700416 if (!(getParent() instanceof DragLayer)) return;
Adam Cohen662b5982011-12-13 17:45:21 -0800417 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0);
418 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 0.9f);
419 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 0.9f);
420 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(this, alpha, scaleX, scaleY);
Adam Cohendf2cc412011-04-27 16:56:57 -0700421
Adam Cohen2801caf2011-05-13 20:57:39 -0700422 oa.addListener(new AnimatorListenerAdapter() {
Adam Cohendf2cc412011-04-27 16:56:57 -0700423 @Override
424 public void onAnimationEnd(Animator animation) {
Adam Cohen2801caf2011-05-13 20:57:39 -0700425 onCloseComplete();
Adam Cohen2801caf2011-05-13 20:57:39 -0700426 mState = STATE_SMALL;
Adam Cohendf2cc412011-04-27 16:56:57 -0700427 }
428 @Override
429 public void onAnimationStart(Animator animation) {
Adam Cohen3371da02011-10-25 21:38:29 -0700430 sendCustomAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
431 mContext.getString(R.string.folder_closed));
Adam Cohendf2cc412011-04-27 16:56:57 -0700432 mState = STATE_ANIMATING;
433 }
434 });
Adam Cohen2801caf2011-05-13 20:57:39 -0700435 oa.setDuration(mExpandDuration);
436 oa.start();
Adam Cohendf2cc412011-04-27 16:56:57 -0700437 }
438
439 void notifyDataSetChanged() {
440 // recreate all the children if the data set changes under us. We may want to do this more
441 // intelligently (ie just removing the views that should no longer exist)
442 mContent.removeAllViewsInLayout();
443 bind(mInfo);
444 }
445
Adam Cohencb3382b2011-05-24 14:07:08 -0700446 public boolean acceptDrop(DragObject d) {
447 final ItemInfo item = (ItemInfo) d.dragInfo;
Adam Cohendf2cc412011-04-27 16:56:57 -0700448 final int itemType = item.itemType;
Adam Cohen2801caf2011-05-13 20:57:39 -0700449 return ((itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION ||
450 itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) &&
451 !isFull());
Adam Cohendf2cc412011-04-27 16:56:57 -0700452 }
453
Adam Cohendf2cc412011-04-27 16:56:57 -0700454 protected boolean findAndSetEmptyCells(ShortcutInfo item) {
455 int[] emptyCell = new int[2];
456 if (mContent.findCellForSpan(emptyCell, item.spanX, item.spanY)) {
457 item.cellX = emptyCell[0];
458 item.cellY = emptyCell[1];
Adam Cohendf2cc412011-04-27 16:56:57 -0700459 return true;
460 } else {
461 return false;
462 }
463 }
464
Adam Cohenc508b2d2011-06-28 14:41:44 -0700465 protected boolean createAndAddShortcut(ShortcutInfo item) {
Adam Cohendf2cc412011-04-27 16:56:57 -0700466 final TextView textView =
Adam Cohene87b9242011-06-29 14:01:26 -0700467 (TextView) mInflater.inflate(R.layout.application, this, false);
Adam Cohendf2cc412011-04-27 16:56:57 -0700468 textView.setCompoundDrawablesWithIntrinsicBounds(null,
469 new FastBitmapDrawable(item.getIcon(mIconCache)), null, null);
470 textView.setText(item.title);
471 textView.setTag(item);
472
473 textView.setOnClickListener(this);
474 textView.setOnLongClickListener(this);
475
Adam Cohenc508b2d2011-06-28 14:41:44 -0700476 // We need to check here to verify that the given item's location isn't already occupied
477 // by another item. If it is, we need to find the next available slot and assign
478 // it that position. This is an issue when upgrading from the old Folders implementation
479 // which could contain an unlimited number of items.
Adam Cohen0057bbc2011-08-12 18:30:51 -0700480 if (mContent.getChildAt(item.cellX, item.cellY) != null || item.cellX < 0 || item.cellY < 0
481 || item.cellX >= mContent.getCountX() || item.cellY >= mContent.getCountY()) {
Adam Cohenc508b2d2011-06-28 14:41:44 -0700482 if (!findAndSetEmptyCells(item)) {
483 return false;
484 }
485 }
486
Adam Cohendf2cc412011-04-27 16:56:57 -0700487 CellLayout.LayoutParams lp =
488 new CellLayout.LayoutParams(item.cellX, item.cellY, item.spanX, item.spanY);
489 boolean insert = false;
Adam Cohenac56cff2011-09-28 20:45:37 -0700490 textView.setOnKeyListener(new FolderKeyEventListener());
Adam Cohendf2cc412011-04-27 16:56:57 -0700491 mContent.addViewToCellLayout(textView, insert ? 0 : -1, (int)item.id, lp, true);
Adam Cohenc508b2d2011-06-28 14:41:44 -0700492 return true;
Adam Cohendf2cc412011-04-27 16:56:57 -0700493 }
494
Adam Cohencb3382b2011-05-24 14:07:08 -0700495 public void onDragEnter(DragObject d) {
Adam Cohenbfbfd262011-06-13 16:55:12 -0700496 mPreviousTargetCell[0] = -1;
497 mPreviousTargetCell[1] = -1;
Adam Cohenbfbfd262011-06-13 16:55:12 -0700498 mOnExitAlarm.cancelAlarm();
499 }
500
501 OnAlarmListener mReorderAlarmListener = new OnAlarmListener() {
502 public void onAlarm(Alarm alarm) {
503 realTimeReorder(mEmptyCell, mTargetCell);
504 }
505 };
506
507 boolean readingOrderGreaterThan(int[] v1, int[] v2) {
508 if (v1[1] > v2[1] || (v1[1] == v2[1] && v1[0] > v2[0])) {
509 return true;
510 } else {
511 return false;
512 }
513 }
514
515 private void realTimeReorder(int[] empty, int[] target) {
516 boolean wrap;
517 int startX;
518 int endX;
519 int startY;
Adam Cohen76fc0852011-06-17 13:26:23 -0700520 int delay = 0;
521 float delayAmount = 30;
Adam Cohenbfbfd262011-06-13 16:55:12 -0700522 if (readingOrderGreaterThan(target, empty)) {
523 wrap = empty[0] >= mContent.getCountX() - 1;
524 startY = wrap ? empty[1] + 1 : empty[1];
525 for (int y = startY; y <= target[1]; y++) {
526 startX = y == empty[1] ? empty[0] + 1 : 0;
527 endX = y < target[1] ? mContent.getCountX() - 1 : target[0];
528 for (int x = startX; x <= endX; x++) {
529 View v = mContent.getChildAt(x,y);
530 if (mContent.animateChildToPosition(v, empty[0], empty[1],
Adam Cohen482ed822012-03-02 14:15:13 -0800531 REORDER_ANIMATION_DURATION, delay, true, true)) {
Adam Cohenbfbfd262011-06-13 16:55:12 -0700532 empty[0] = x;
533 empty[1] = y;
Adam Cohen76fc0852011-06-17 13:26:23 -0700534 delay += delayAmount;
535 delayAmount *= 0.9;
Adam Cohenbfbfd262011-06-13 16:55:12 -0700536 }
537 }
538 }
539 } else {
540 wrap = empty[0] == 0;
541 startY = wrap ? empty[1] - 1 : empty[1];
542 for (int y = startY; y >= target[1]; y--) {
543 startX = y == empty[1] ? empty[0] - 1 : mContent.getCountX() - 1;
544 endX = y > target[1] ? 0 : target[0];
545 for (int x = startX; x >= endX; x--) {
546 View v = mContent.getChildAt(x,y);
547 if (mContent.animateChildToPosition(v, empty[0], empty[1],
Adam Cohen482ed822012-03-02 14:15:13 -0800548 REORDER_ANIMATION_DURATION, delay, true, true)) {
Adam Cohenbfbfd262011-06-13 16:55:12 -0700549 empty[0] = x;
550 empty[1] = y;
Adam Cohen76fc0852011-06-17 13:26:23 -0700551 delay += delayAmount;
552 delayAmount *= 0.9;
Adam Cohenbfbfd262011-06-13 16:55:12 -0700553 }
554 }
555 }
556 }
Adam Cohendf2cc412011-04-27 16:56:57 -0700557 }
558
Adam Cohencb3382b2011-05-24 14:07:08 -0700559 public void onDragOver(DragObject d) {
Adam Cohenbfbfd262011-06-13 16:55:12 -0700560 float[] r = getDragViewVisualCenter(d.x, d.y, d.xOffset, d.yOffset, d.dragView, null);
561 mTargetCell = mContent.findNearestArea((int) r[0], (int) r[1], 1, 1, mTargetCell);
562
563 if (mTargetCell[0] != mPreviousTargetCell[0] || mTargetCell[1] != mPreviousTargetCell[1]) {
564 mReorderAlarm.cancelAlarm();
565 mReorderAlarm.setOnAlarmListener(mReorderAlarmListener);
566 mReorderAlarm.setAlarm(150);
567 mPreviousTargetCell[0] = mTargetCell[0];
568 mPreviousTargetCell[1] = mTargetCell[1];
569 }
Adam Cohendf2cc412011-04-27 16:56:57 -0700570 }
571
Adam Cohenbfbfd262011-06-13 16:55:12 -0700572 // This is used to compute the visual center of the dragView. The idea is that
573 // the visual center represents the user's interpretation of where the item is, and hence
574 // is the appropriate point to use when determining drop location.
575 private float[] getDragViewVisualCenter(int x, int y, int xOffset, int yOffset,
576 DragView dragView, float[] recycle) {
577 float res[];
578 if (recycle == null) {
579 res = new float[2];
580 } else {
581 res = recycle;
582 }
583
584 // These represent the visual top and left of drag view if a dragRect was provided.
585 // If a dragRect was not provided, then they correspond to the actual view left and
586 // top, as the dragRect is in that case taken to be the entire dragView.
587 // R.dimen.dragViewOffsetY.
588 int left = x - xOffset;
589 int top = y - yOffset;
590
591 // In order to find the visual center, we shift by half the dragRect
592 res[0] = left + dragView.getDragRegion().width() / 2;
593 res[1] = top + dragView.getDragRegion().height() / 2;
594
595 return res;
596 }
597
598 OnAlarmListener mOnExitAlarmListener = new OnAlarmListener() {
599 public void onAlarm(Alarm alarm) {
Adam Cohen3e8f8112011-07-02 18:03:00 -0700600 completeDragExit();
Adam Cohenbfbfd262011-06-13 16:55:12 -0700601 }
602 };
603
Adam Cohen95bb8002011-07-03 23:40:28 -0700604 public void completeDragExit() {
Adam Cohen3e8f8112011-07-02 18:03:00 -0700605 mLauncher.closeFolder();
606 mCurrentDragInfo = null;
607 mCurrentDragView = null;
608 mSuppressOnAdd = false;
609 mRearrangeOnClose = true;
610 }
611
Adam Cohencb3382b2011-05-24 14:07:08 -0700612 public void onDragExit(DragObject d) {
Adam Cohenbfbfd262011-06-13 16:55:12 -0700613 // We only close the folder if this is a true drag exit, ie. not because a drop
614 // has occurred above the folder.
615 if (!d.dragComplete) {
616 mOnExitAlarm.setOnAlarmListener(mOnExitAlarmListener);
617 mOnExitAlarm.setAlarm(ON_EXIT_CLOSE_DELAY);
618 }
619 mReorderAlarm.cancelAlarm();
Adam Cohen2801caf2011-05-13 20:57:39 -0700620 }
621
Adam Cohenc0dcf592011-06-01 15:30:43 -0700622 public void onDropCompleted(View target, DragObject d, boolean success) {
Adam Cohen67bd9cc2011-07-29 14:07:04 -0700623 if (success) {
Adam Cohen05e0f402011-08-01 12:12:49 -0700624 if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon) {
Adam Cohen67bd9cc2011-07-29 14:07:04 -0700625 replaceFolderWithFinalItem();
626 }
627 } else {
628 // The drag failed, we need to return the item to the folder
629 mFolderIcon.onDrop(d);
630
631 // We're going to trigger a "closeFolder" which may occur before this item has
632 // been added back to the folder -- this could cause the folder to be deleted
633 if (mOnExitAlarm.alarmPending()) {
634 mSuppressFolderDeletion = true;
635 }
636 }
637
638 if (target != this) {
639 if (mOnExitAlarm.alarmPending()) {
640 mOnExitAlarm.cancelAlarm();
641 completeDragExit();
642 }
643 }
644 mDeleteFolderOnDropCompleted = false;
645 mDragInProgress = false;
Adam Cohen05e0f402011-08-01 12:12:49 -0700646 mItemAddedBackToSelfViaIcon = false;
Adam Cohenbfbfd262011-06-13 16:55:12 -0700647 mCurrentDragInfo = null;
648 mCurrentDragView = null;
649 mSuppressOnAdd = false;
Adam Cohen4045eb72011-10-06 11:44:26 -0700650
651 // Reordering may have occured, and we need to save the new item locations. We do this once
652 // at the end to prevent unnecessary database operations.
653 updateItemLocationsInDatabase();
654 }
655
656 private void updateItemLocationsInDatabase() {
657 ArrayList<View> list = getItemsInReadingOrder();
658 for (int i = 0; i < list.size(); i++) {
659 View v = list.get(i);
660 ItemInfo info = (ItemInfo) v.getTag();
661 LauncherModel.moveItemInDatabase(mLauncher, info, mInfo.id, 0,
662 info.cellX, info.cellY);
663 }
Adam Cohen67bd9cc2011-07-29 14:07:04 -0700664 }
Adam Cohen228da5a2011-07-27 22:23:47 -0700665
Adam Cohen67bd9cc2011-07-29 14:07:04 -0700666 public void notifyDrop() {
667 if (mDragInProgress) {
Adam Cohen05e0f402011-08-01 12:12:49 -0700668 mItemAddedBackToSelfViaIcon = true;
Adam Cohen76078c42011-06-09 15:06:52 -0700669 }
Adam Cohendf2cc412011-04-27 16:56:57 -0700670 }
671
672 public boolean isDropEnabled() {
673 return true;
674 }
675
Adam Cohencb3382b2011-05-24 14:07:08 -0700676 public DropTarget getDropTargetDelegate(DragObject d) {
Adam Cohendf2cc412011-04-27 16:56:57 -0700677 return null;
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800678 }
Adam Cohena9cf38f2011-05-02 15:36:58 -0700679
Adam Cohen4045eb72011-10-06 11:44:26 -0700680 private void setupContentDimensions(int count) {
Adam Cohen2801caf2011-05-13 20:57:39 -0700681 ArrayList<View> list = getItemsInReadingOrder();
682
683 int countX = mContent.getCountX();
684 int countY = mContent.getCountY();
Adam Cohen7c693212011-05-18 15:26:57 -0700685 boolean done = false;
Adam Cohen2801caf2011-05-13 20:57:39 -0700686
Adam Cohen7c693212011-05-18 15:26:57 -0700687 while (!done) {
688 int oldCountX = countX;
689 int oldCountY = countY;
690 if (countX * countY < count) {
691 // Current grid is too small, expand it
Adam Cohen78dc83e2011-11-15 17:10:00 -0800692 if ((countX <= countY || countY == mMaxCountY) && countX < mMaxCountX) {
Adam Cohen7c693212011-05-18 15:26:57 -0700693 countX++;
694 } else if (countY < mMaxCountY) {
695 countY++;
696 }
697 if (countY == 0) countY++;
698 } else if ((countY - 1) * countX >= count && countY >= countX) {
699 countY = Math.max(0, countY - 1);
700 } else if ((countX - 1) * countY >= count) {
701 countX = Math.max(0, countX - 1);
Adam Cohen2801caf2011-05-13 20:57:39 -0700702 }
Adam Cohen7c693212011-05-18 15:26:57 -0700703 done = countX == oldCountX && countY == oldCountY;
Adam Cohen2801caf2011-05-13 20:57:39 -0700704 }
Adam Cohen7c693212011-05-18 15:26:57 -0700705 mContent.setGridSize(countX, countY);
Adam Cohen2801caf2011-05-13 20:57:39 -0700706 arrangeChildren(list);
707 }
708
709 public boolean isFull() {
Adam Cohen78dc83e2011-11-15 17:10:00 -0800710 return getItemCount() >= mMaxNumItems;
Adam Cohen2801caf2011-05-13 20:57:39 -0700711 }
712
713 private void centerAboutIcon() {
Adam Cohen8e776a62011-06-28 18:10:06 -0700714 DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
Adam Cohen2801caf2011-05-13 20:57:39 -0700715
716 int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
Adam Cohenf4bb1cd2011-07-22 14:36:03 -0700717 int height = getPaddingTop() + getPaddingBottom() + mContent.getDesiredHeight()
718 + mFolderNameHeight;
Adam Cohen8e776a62011-06-28 18:10:06 -0700719 DragLayer parent = (DragLayer) mLauncher.findViewById(R.id.drag_layer);
Adam Cohen2801caf2011-05-13 20:57:39 -0700720
Adam Cohen8e776a62011-06-28 18:10:06 -0700721 parent.getDescendantRectRelativeToSelf(mFolderIcon, mTempRect);
722
723 int centerX = mTempRect.centerX();
724 int centerY = mTempRect.centerY();
Adam Cohen2801caf2011-05-13 20:57:39 -0700725 int centeredLeft = centerX - width / 2;
726 int centeredTop = centerY - height / 2;
727
Adam Cohen7cc1bc42011-12-13 21:28:43 -0800728 int currentPage = mLauncher.getWorkspace().getCurrentPage();
729 // In case the workspace is scrolling, we need to use the final scroll to compute
730 // the folders bounds.
731 mLauncher.getWorkspace().setFinalScrollForPageChange(currentPage);
Adam Cohen35e7e642011-07-17 14:47:18 -0700732 // We first fetch the currently visible CellLayoutChildren
Adam Cohen7cc1bc42011-12-13 21:28:43 -0800733 CellLayout currentLayout = (CellLayout) mLauncher.getWorkspace().getChildAt(currentPage);
Michael Jurkaa52570f2012-03-20 03:18:20 -0700734 ShortcutAndWidgetContainer boundingLayout = currentLayout.getShortcutsAndWidgets();
Adam Cohen35e7e642011-07-17 14:47:18 -0700735 Rect bounds = new Rect();
736 parent.getDescendantRectRelativeToSelf(boundingLayout, bounds);
Adam Cohen7cc1bc42011-12-13 21:28:43 -0800737 // We reset the workspaces scroll
738 mLauncher.getWorkspace().resetFinalScrollForPageChange(currentPage);
Adam Cohen2801caf2011-05-13 20:57:39 -0700739
Adam Cohen35e7e642011-07-17 14:47:18 -0700740 // We need to bound the folder to the currently visible CellLayoutChildren
741 int left = Math.min(Math.max(bounds.left, centeredLeft),
742 bounds.left + bounds.width() - width);
743 int top = Math.min(Math.max(bounds.top, centeredTop),
744 bounds.top + bounds.height() - height);
745 // If the folder doesn't fit within the bounds, center it about the desired bounds
746 if (width >= bounds.width()) {
747 left = bounds.left + (bounds.width() - width) / 2;
Adam Cohen0e4857c2011-06-30 17:05:14 -0700748 }
Adam Cohen35e7e642011-07-17 14:47:18 -0700749 if (height >= bounds.height()) {
750 top = bounds.top + (bounds.height() - height) / 2;
Adam Cohen0e4857c2011-06-30 17:05:14 -0700751 }
Adam Cohen2801caf2011-05-13 20:57:39 -0700752
753 int folderPivotX = width / 2 + (centeredLeft - left);
754 int folderPivotY = height / 2 + (centeredTop - top);
755 setPivotX(folderPivotX);
756 setPivotY(folderPivotY);
757 int folderIconPivotX = (int) (mFolderIcon.getMeasuredWidth() *
758 (1.0f * folderPivotX / width));
759 int folderIconPivotY = (int) (mFolderIcon.getMeasuredHeight() *
760 (1.0f * folderPivotY / height));
761 mFolderIcon.setPivotX(folderIconPivotX);
762 mFolderIcon.setPivotY(folderIconPivotY);
763
Adam Cohen662b5982011-12-13 17:45:21 -0800764 lp.width = width;
765 lp.height = height;
766 lp.x = left;
767 lp.y = top;
Adam Cohen2801caf2011-05-13 20:57:39 -0700768 }
769
770 private void setupContentForNumItems(int count) {
Adam Cohen4045eb72011-10-06 11:44:26 -0700771 setupContentDimensions(count);
Adam Cohen2801caf2011-05-13 20:57:39 -0700772
Adam Cohen8e776a62011-06-28 18:10:06 -0700773 DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
Adam Cohen2801caf2011-05-13 20:57:39 -0700774 if (lp == null) {
Adam Cohen8e776a62011-06-28 18:10:06 -0700775 lp = new DragLayer.LayoutParams(0, 0);
776 lp.customPosition = true;
Adam Cohen2801caf2011-05-13 20:57:39 -0700777 setLayoutParams(lp);
778 }
779 centerAboutIcon();
780 }
781
Adam Cohen234c4cd2011-07-17 21:03:04 -0700782 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
783 int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
Adam Cohenf4bb1cd2011-07-22 14:36:03 -0700784 int height = getPaddingTop() + getPaddingBottom() + mContent.getDesiredHeight()
785 + mFolderNameHeight;
Adam Cohen234c4cd2011-07-17 21:03:04 -0700786
787 int contentWidthSpec = MeasureSpec.makeMeasureSpec(mContent.getDesiredWidth(),
788 MeasureSpec.EXACTLY);
789 int contentHeightSpec = MeasureSpec.makeMeasureSpec(mContent.getDesiredHeight(),
790 MeasureSpec.EXACTLY);
791 mContent.measure(contentWidthSpec, contentHeightSpec);
792
793 mFolderName.measure(contentWidthSpec,
794 MeasureSpec.makeMeasureSpec(mFolderNameHeight, MeasureSpec.EXACTLY));
795 setMeasuredDimension(width, height);
796 }
797
Adam Cohen2801caf2011-05-13 20:57:39 -0700798 private void arrangeChildren(ArrayList<View> list) {
799 int[] vacant = new int[2];
800 if (list == null) {
801 list = getItemsInReadingOrder();
802 }
803 mContent.removeAllViews();
804
805 for (int i = 0; i < list.size(); i++) {
806 View v = list.get(i);
807 mContent.getVacantCell(vacant, 1, 1);
808 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) v.getLayoutParams();
809 lp.cellX = vacant[0];
810 lp.cellY = vacant[1];
811 ItemInfo info = (ItemInfo) v.getTag();
Adam Cohen2792a332011-09-26 21:09:47 -0700812 if (info.cellX != vacant[0] || info.cellY != vacant[1]) {
813 info.cellX = vacant[0];
814 info.cellY = vacant[1];
815 LauncherModel.addOrMoveItemInDatabase(mLauncher, info, mInfo.id, 0,
816 info.cellX, info.cellY);
817 }
Adam Cohen2801caf2011-05-13 20:57:39 -0700818 boolean insert = false;
819 mContent.addViewToCellLayout(v, insert ? 0 : -1, (int)info.id, lp, true);
820 }
Adam Cohen7c693212011-05-18 15:26:57 -0700821 mItemsInvalidated = true;
Adam Cohen2801caf2011-05-13 20:57:39 -0700822 }
823
Adam Cohena9cf38f2011-05-02 15:36:58 -0700824 public int getItemCount() {
Michael Jurkaa52570f2012-03-20 03:18:20 -0700825 return mContent.getShortcutsAndWidgets().getChildCount();
Adam Cohena9cf38f2011-05-02 15:36:58 -0700826 }
827
828 public View getItemAt(int index) {
Michael Jurkaa52570f2012-03-20 03:18:20 -0700829 return mContent.getShortcutsAndWidgets().getChildAt(index);
Adam Cohena9cf38f2011-05-02 15:36:58 -0700830 }
831
Adam Cohen2801caf2011-05-13 20:57:39 -0700832 private void onCloseComplete() {
Adam Cohen05e0f402011-08-01 12:12:49 -0700833 DragLayer parent = (DragLayer) getParent();
Adam Cohen4554ee12011-08-03 16:13:21 -0700834 parent.removeView(this);
835 mDragController.removeDropTarget((DropTarget) this);
Adam Cohen05e0f402011-08-01 12:12:49 -0700836 clearFocus();
Adam Cohenac56cff2011-09-28 20:45:37 -0700837 mFolderIcon.requestFocus();
Adam Cohen05e0f402011-08-01 12:12:49 -0700838
Adam Cohen2801caf2011-05-13 20:57:39 -0700839 if (mRearrangeOnClose) {
840 setupContentForNumItems(getItemCount());
841 mRearrangeOnClose = false;
842 }
Adam Cohenafb01ee2011-06-23 15:38:03 -0700843 if (getItemCount() <= 1) {
Adam Cohen67bd9cc2011-07-29 14:07:04 -0700844 if (!mDragInProgress && !mSuppressFolderDeletion) {
845 replaceFolderWithFinalItem();
846 } else if (mDragInProgress) {
847 mDeleteFolderOnDropCompleted = true;
848 }
Adam Cohenafb01ee2011-06-23 15:38:03 -0700849 }
Adam Cohen67bd9cc2011-07-29 14:07:04 -0700850 mSuppressFolderDeletion = false;
Adam Cohenafb01ee2011-06-23 15:38:03 -0700851 }
852
853 private void replaceFolderWithFinalItem() {
854 ItemInfo finalItem = null;
855
856 if (getItemCount() == 1) {
857 finalItem = mInfo.contents.get(0);
858 }
859
860 // Remove the folder completely
Winson Chung3d503fb2011-07-13 17:25:49 -0700861 CellLayout cellLayout = mLauncher.getCellLayout(mInfo.container, mInfo.screen);
Adam Cohenafb01ee2011-06-23 15:38:03 -0700862 cellLayout.removeView(mFolderIcon);
863 if (mFolderIcon instanceof DropTarget) {
864 mDragController.removeDropTarget((DropTarget) mFolderIcon);
865 }
866 mLauncher.removeFolder(mInfo);
867
868 if (finalItem != null) {
Winson Chung3d503fb2011-07-13 17:25:49 -0700869 LauncherModel.addOrMoveItemInDatabase(mLauncher, finalItem, mInfo.container,
870 mInfo.screen, mInfo.cellX, mInfo.cellY);
Adam Cohenafb01ee2011-06-23 15:38:03 -0700871 }
Adam Cohen716b51e2011-06-30 12:09:54 -0700872 LauncherModel.deleteItemFromDatabase(mLauncher, mInfo);
Adam Cohenafb01ee2011-06-23 15:38:03 -0700873
874 // Add the last remaining child to the workspace in place of the folder
875 if (finalItem != null) {
876 View child = mLauncher.createShortcut(R.layout.application, cellLayout,
877 (ShortcutInfo) finalItem);
878
Winson Chung3d503fb2011-07-13 17:25:49 -0700879 mLauncher.getWorkspace().addInScreen(child, mInfo.container, mInfo.screen, mInfo.cellX,
880 mInfo.cellY, mInfo.spanX, mInfo.spanY);
Adam Cohenafb01ee2011-06-23 15:38:03 -0700881 }
Adam Cohen2801caf2011-05-13 20:57:39 -0700882 }
883
Adam Cohenac56cff2011-09-28 20:45:37 -0700884 // This method keeps track of the last item in the folder for the purposes
885 // of keyboard focus
886 private void updateTextViewFocus() {
887 View lastChild = getItemAt(getItemCount() - 1);
888 getItemAt(getItemCount() - 1);
889 if (lastChild != null) {
890 mFolderName.setNextFocusDownId(lastChild.getId());
891 mFolderName.setNextFocusRightId(lastChild.getId());
892 mFolderName.setNextFocusLeftId(lastChild.getId());
893 mFolderName.setNextFocusUpId(lastChild.getId());
894 }
895 }
896
Adam Cohenbfbfd262011-06-13 16:55:12 -0700897 public void onDrop(DragObject d) {
898 ShortcutInfo item;
899 if (d.dragInfo instanceof ApplicationInfo) {
900 // Came from all apps -- make a copy
901 item = ((ApplicationInfo) d.dragInfo).makeShortcut();
902 item.spanX = 1;
903 item.spanY = 1;
904 } else {
905 item = (ShortcutInfo) d.dragInfo;
906 }
Adam Cohen05e0f402011-08-01 12:12:49 -0700907 // Dragged from self onto self, currently this is the only path possible, however
908 // we keep this as a distinct code path.
Adam Cohenbfbfd262011-06-13 16:55:12 -0700909 if (item == mCurrentDragInfo) {
910 ShortcutInfo si = (ShortcutInfo) mCurrentDragView.getTag();
911 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) mCurrentDragView.getLayoutParams();
912 si.cellX = lp.cellX = mEmptyCell[0];
913 si.cellX = lp.cellY = mEmptyCell[1];
914 mContent.addViewToCellLayout(mCurrentDragView, -1, (int)item.id, lp, true);
Adam Cohenfc53cd22011-07-20 15:45:11 -0700915 if (d.dragView.hasDrawn()) {
916 mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, mCurrentDragView);
917 } else {
918 mCurrentDragView.setVisibility(VISIBLE);
919 }
Adam Cohene9166b22011-07-08 17:11:11 -0700920 mItemsInvalidated = true;
Adam Cohen4045eb72011-10-06 11:44:26 -0700921 setupContentDimensions(getItemCount());
Adam Cohen716b51e2011-06-30 12:09:54 -0700922 mSuppressOnAdd = true;
Adam Cohenbfbfd262011-06-13 16:55:12 -0700923 }
924 mInfo.add(item);
925 }
926
927 public void onAdd(ShortcutInfo item) {
928 mItemsInvalidated = true;
Adam Cohen05e0f402011-08-01 12:12:49 -0700929 // If the item was dropped onto this open folder, we have done the work associated
930 // with adding the item to the folder, as indicated by mSuppressOnAdd being set
Adam Cohenbfbfd262011-06-13 16:55:12 -0700931 if (mSuppressOnAdd) return;
932 if (!findAndSetEmptyCells(item)) {
933 // The current layout is full, can we expand it?
934 setupContentForNumItems(getItemCount() + 1);
935 findAndSetEmptyCells(item);
936 }
937 createAndAddShortcut(item);
938 LauncherModel.addOrMoveItemInDatabase(
939 mLauncher, item, mInfo.id, 0, item.cellX, item.cellY);
940 }
941
Adam Cohena9cf38f2011-05-02 15:36:58 -0700942 public void onRemove(ShortcutInfo item) {
Adam Cohen7c693212011-05-18 15:26:57 -0700943 mItemsInvalidated = true;
Adam Cohen05e0f402011-08-01 12:12:49 -0700944 // If this item is being dragged from this open folder, we have already handled
945 // the work associated with removing the item, so we don't have to do anything here.
Adam Cohenbfbfd262011-06-13 16:55:12 -0700946 if (item == mCurrentDragInfo) return;
Adam Cohendf1e4e82011-06-24 15:57:39 -0700947 View v = getViewForInfo(item);
Adam Cohena9cf38f2011-05-02 15:36:58 -0700948 mContent.removeView(v);
Adam Cohen2801caf2011-05-13 20:57:39 -0700949 if (mState == STATE_ANIMATING) {
950 mRearrangeOnClose = true;
951 } else {
952 setupContentForNumItems(getItemCount());
953 }
Adam Cohenafb01ee2011-06-23 15:38:03 -0700954 if (getItemCount() <= 1) {
955 replaceFolderWithFinalItem();
956 }
Adam Cohena9cf38f2011-05-02 15:36:58 -0700957 }
Adam Cohen7c693212011-05-18 15:26:57 -0700958
Adam Cohendf1e4e82011-06-24 15:57:39 -0700959 private View getViewForInfo(ShortcutInfo item) {
960 for (int j = 0; j < mContent.getCountY(); j++) {
961 for (int i = 0; i < mContent.getCountX(); i++) {
962 View v = mContent.getChildAt(i, j);
963 if (v.getTag() == item) {
964 return v;
965 }
966 }
967 }
968 return null;
969 }
970
Adam Cohen76078c42011-06-09 15:06:52 -0700971 public void onItemsChanged() {
Adam Cohenac56cff2011-09-28 20:45:37 -0700972 updateTextViewFocus();
Adam Cohen76078c42011-06-09 15:06:52 -0700973 }
Adam Cohenac56cff2011-09-28 20:45:37 -0700974
Adam Cohen76fc0852011-06-17 13:26:23 -0700975 public void onTitleChanged(CharSequence title) {
976 }
Adam Cohen76078c42011-06-09 15:06:52 -0700977
Adam Cohen7c693212011-05-18 15:26:57 -0700978 public ArrayList<View> getItemsInReadingOrder() {
Adam Cohen76078c42011-06-09 15:06:52 -0700979 return getItemsInReadingOrder(true);
980 }
981
982 public ArrayList<View> getItemsInReadingOrder(boolean includeCurrentDragItem) {
Adam Cohen7c693212011-05-18 15:26:57 -0700983 if (mItemsInvalidated) {
984 mItemsInReadingOrder.clear();
985 for (int j = 0; j < mContent.getCountY(); j++) {
986 for (int i = 0; i < mContent.getCountX(); i++) {
987 View v = mContent.getChildAt(i, j);
988 if (v != null) {
Adam Cohen76078c42011-06-09 15:06:52 -0700989 ShortcutInfo info = (ShortcutInfo) v.getTag();
990 if (info != mCurrentDragInfo || includeCurrentDragItem) {
991 mItemsInReadingOrder.add(v);
992 }
Adam Cohen7c693212011-05-18 15:26:57 -0700993 }
994 }
995 }
996 mItemsInvalidated = false;
997 }
998 return mItemsInReadingOrder;
999 }
Adam Cohen8dfcba42011-07-07 16:38:18 -07001000
1001 public void getLocationInDragLayer(int[] loc) {
1002 mLauncher.getDragLayer().getLocationInDragLayer(this, loc);
1003 }
Adam Cohenea0818d2011-09-30 20:06:58 -07001004
1005 public void onFocusChange(View v, boolean hasFocus) {
1006 if (v == mFolderName && hasFocus) {
1007 startEditingFolderName();
1008 }
1009 }
The Android Open Source Project31dd5032009-03-03 19:32:27 -08001010}