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Winson Chung321e9ee2010-08-09 13:37:56 -07001/*
2 * Copyright (C) 2010 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
17package com.android.launcher2;
18
Michael Jurkaaf91de02010-11-23 16:23:58 -080019import com.android.launcher.R;
Adam Cohencb3382b2011-05-24 14:07:08 -070020import com.android.launcher2.DropTarget.DragObject;
Winson Chung321e9ee2010-08-09 13:37:56 -070021
22import android.content.ComponentName;
23import android.content.Context;
Michael Jurka72b079e2010-12-10 01:03:53 -080024import android.content.res.Resources;
Winson Chung321e9ee2010-08-09 13:37:56 -070025import android.content.res.TypedArray;
Michael Jurkad3ef3062010-11-23 16:23:58 -080026import android.graphics.Bitmap;
27import android.graphics.Canvas;
Adam Cohene3e27a82011-04-15 12:07:39 -070028import android.graphics.Rect;
Michael Jurkad3ef3062010-11-23 16:23:58 -080029import android.graphics.drawable.Drawable;
Winson Chung321e9ee2010-08-09 13:37:56 -070030import android.util.AttributeSet;
31import android.view.LayoutInflater;
32import android.view.View;
Winson Chung321e9ee2010-08-09 13:37:56 -070033import android.view.animation.AnimationUtils;
Winson Chung5f2aa4e2010-08-20 14:49:25 -070034import android.widget.Checkable;
Winson Chung321e9ee2010-08-09 13:37:56 -070035import android.widget.TextView;
36
Michael Jurkaaf91de02010-11-23 16:23:58 -080037import java.util.ArrayList;
38import java.util.Collections;
39import java.util.HashSet;
Winson Chung321e9ee2010-08-09 13:37:56 -070040
41/**
42 * An implementation of PagedView that populates the pages of the workspace
43 * with all of the user's applications.
44 */
Michael Jurka72b079e2010-12-10 01:03:53 -080045public class AllAppsPagedView extends PagedViewWithDraggableItems implements AllAppsView,
46 View.OnClickListener, DragSource, DropTarget {
Winson Chung321e9ee2010-08-09 13:37:56 -070047
48 private static final String TAG = "AllAppsPagedView";
Winson Chung321e9ee2010-08-09 13:37:56 -070049
50 private Launcher mLauncher;
51 private DragController mDragController;
52
53 // preserve compatibility with 3D all apps:
54 // 0.0 -> hidden
55 // 1.0 -> shown and opaque
56 // intermediate values -> partially shown & partially opaque
57 private float mZoom;
58
59 // set of all applications
60 private ArrayList<ApplicationInfo> mApps;
61 private ArrayList<ApplicationInfo> mFilteredApps;
62
63 // the types of applications to filter
64 static final int ALL_APPS_FLAG = -1;
65 private int mAppFilter = ALL_APPS_FLAG;
66
Winson Chung321e9ee2010-08-09 13:37:56 -070067 private final LayoutInflater mInflater;
Michael Jurkaabded662011-03-04 12:06:57 -080068 private boolean mAllowHardwareLayerCreation;
Winson Chung321e9ee2010-08-09 13:37:56 -070069
Michael Jurka7ef959b2011-02-23 11:48:32 -080070 private int mPageContentWidth;
Winson Chung20f71112011-04-06 14:22:04 -070071 private boolean mHasMadeSuccessfulDrop;
Patrick Dubroydea9e932010-09-22 15:04:29 -070072
Patrick Dubroy244d74c2011-05-19 16:48:48 -070073 private int mLastMeasureWidth = -1;
74 private int mLastMeasureHeight = -1;
Michael Jurka87b14902011-05-25 22:13:09 -070075 private boolean mWaitingToInitPages = true;
Patrick Dubroy244d74c2011-05-19 16:48:48 -070076
Patrick Dubroy4a5ad092011-05-23 16:15:09 -070077 private int mMaxCellCountY;
78
Winson Chung321e9ee2010-08-09 13:37:56 -070079 public AllAppsPagedView(Context context) {
80 this(context, null);
81 }
82
83 public AllAppsPagedView(Context context, AttributeSet attrs) {
84 this(context, attrs, 0);
85 }
86
87 public AllAppsPagedView(Context context, AttributeSet attrs, int defStyle) {
88 super(context, attrs, defStyle);
89 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, defStyle, 0);
Winson Chung321e9ee2010-08-09 13:37:56 -070090 mInflater = LayoutInflater.from(context);
Winson Chung8b534782011-02-23 13:43:59 -080091 mApps = new ArrayList<ApplicationInfo>();
92 mFilteredApps = new ArrayList<ApplicationInfo>();
Winson Chung321e9ee2010-08-09 13:37:56 -070093 a.recycle();
94 setSoundEffectsEnabled(false);
Michael Jurka72b079e2010-12-10 01:03:53 -080095
Patrick Dubroy4a5ad092011-05-23 16:15:09 -070096 final Resources r = context.getResources();
Michael Jurka72b079e2010-12-10 01:03:53 -080097 setDragSlopeThreshold(
Winson Chung785d2eb2011-04-14 16:08:02 -070098 r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold) / 100.0f);
Patrick Dubroy4a5ad092011-05-23 16:15:09 -070099 mMaxCellCountY = r.getInteger(R.integer.all_apps_view_maxCellCountY);
Winson Chung321e9ee2010-08-09 13:37:56 -0700100 }
101
102 @Override
Winson Chung7da10252010-10-28 16:07:04 -0700103 protected void init() {
104 super.init();
105 mCenterPagesVertically = false;
106 }
107
Michael Jurka4c6016f2011-05-17 18:21:03 -0700108 @Override
109 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
Patrick Dubroy244d74c2011-05-19 16:48:48 -0700110 final int width = MeasureSpec.getSize(widthMeasureSpec);
111 final int height = MeasureSpec.getSize(heightMeasureSpec);
Michael Jurka4c6016f2011-05-17 18:21:03 -0700112
Patrick Dubroy244d74c2011-05-19 16:48:48 -0700113 if (mLastMeasureWidth != width || mLastMeasureHeight != height) {
Michael Jurka4c6016f2011-05-17 18:21:03 -0700114 // Create a dummy page and set it up to find out the content width (used by our parent)
115 PagedViewCellLayout layout = new PagedViewCellLayout(getContext());
116 setupPage(layout);
117 mPageContentWidth = layout.getContentWidth();
Patrick Dubroy244d74c2011-05-19 16:48:48 -0700118
119 mCellCountX = determineCellCountX(width, layout);
120 mCellCountY = determineCellCountY(height, layout);
121 mLastMeasureWidth = width;
122 mLastMeasureHeight = height;
Michael Jurka983e3fd2011-05-26 17:10:29 -0700123 postInvalidatePageData(true);
Michael Jurka4c6016f2011-05-17 18:21:03 -0700124 }
Patrick Dubroy244d74c2011-05-19 16:48:48 -0700125 super.onMeasure(widthMeasureSpec, heightMeasureSpec);
126 }
127
128 @Override
129 protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
Michael Jurka87b14902011-05-25 22:13:09 -0700130 if (mWaitingToInitPages) {
131 mWaitingToInitPages = false;
Michael Jurka983e3fd2011-05-26 17:10:29 -0700132 postInvalidatePageData(false);
Patrick Dubroy244d74c2011-05-19 16:48:48 -0700133 }
134 super.onLayout(changed, left, top, right, bottom);
135 }
136
137 private int determineCellCountX(int availableWidth, PagedViewCellLayout layout) {
138 int cellCountX = 0;
139 final int cellWidth = layout.getCellWidth();
140
141 // Subtract padding for current page and adjacent pages
142 availableWidth -= mPageLayoutPaddingLeft * 2 + mPageLayoutPaddingRight * 2;
143
144 availableWidth -= cellWidth; // Assume at least one column
145 cellCountX = 1 + availableWidth / (cellWidth + mPageLayoutWidthGap);
146 availableWidth = availableWidth % (cellWidth + mPageLayoutWidthGap);
147
148 // Ensures that we show at least 30% of the holo icons on each side
149 final int minLeftoverWidth = (int) (cellWidth * 0.6f);
150
151 // Reserve room for the holo outlines
152 if (cellCountX <= 4) {
153 // When we're really tight on space, just pack the icons a bit closer together
154 final int missingWidth = minLeftoverWidth - availableWidth;
155 if (missingWidth > 0) {
156 mPageLayoutWidthGap -= Math.ceil(missingWidth * 1.0f / (cellCountX - 1));
157 }
158 } else {
159 if (cellCountX >= 8) {
160 // Carve out a few extra columns for very large widths
161 cellCountX = (int) (cellCountX * 0.9f);
162 } else if (availableWidth < minLeftoverWidth) {
163 cellCountX -= 1;
164 }
165 }
166 return cellCountX;
167 }
168
169 private int determineCellCountY(int availableHeight, PagedViewCellLayout layout) {
170 final int cellHeight = layout.getCellHeight();
171 final int screenHeight = mLauncher.getResources().getDisplayMetrics().heightPixels;
172
173 availableHeight -= mPageLayoutPaddingTop + mPageLayoutPaddingBottom;
174 availableHeight -= cellHeight; // Assume at least one row
Michael Jurka25dfc082011-06-02 17:43:52 -0700175 Resources r = getContext().getResources();
Michael Jurka8e41ad22011-06-03 18:42:05 -0700176 float scaleFactor = r.getInteger(R.integer.config_appsCustomizeZoomScaleFactor) / 100f;
Michael Jurka25dfc082011-06-02 17:43:52 -0700177 availableHeight -= screenHeight * scaleFactor;
Patrick Dubroy4a5ad092011-05-23 16:15:09 -0700178 if (availableHeight > 0) {
179 return Math.min(mMaxCellCountY,
180 1 + availableHeight / (cellHeight + mPageLayoutHeightGap));
181 }
182 return 0;
183 }
184
185 int getCellCountX() {
186 return mCellCountX;
187 }
188
189 int getCellCountY() {
190 return mCellCountY;
Michael Jurka4c6016f2011-05-17 18:21:03 -0700191 }
192
Michael Jurkaabded662011-03-04 12:06:57 -0800193 void allowHardwareLayerCreation() {
194 // This is called after the first time we launch into All Apps. Before that point,
195 // there's no need for hardware layers here since there's a hardware layer set on the
196 // parent, AllAppsTabbed, during the AllApps transition -- creating hardware layers here
197 // before the animation is done slows down the animation
198 if (mAllowHardwareLayerCreation) {
199 return;
200 }
201 mAllowHardwareLayerCreation = true;
202 int childCount = getChildCount();
203 for (int i = 0; i < childCount; i++) {
204 PagedViewCellLayout page = (PagedViewCellLayout) getChildAt(i);
205 page.allowHardwareLayerCreation();
206 }
207 }
208
Winson Chung7da10252010-10-28 16:07:04 -0700209 @Override
Winson Chung785d2eb2011-04-14 16:08:02 -0700210 public void setup(Launcher launcher, DragController dragController) {
Winson Chung321e9ee2010-08-09 13:37:56 -0700211 mLauncher = launcher;
Patrick Dubroy2b9ff372010-09-07 17:49:27 -0700212 mLauncher.setAllAppsPagedView(this);
Winson Chung785d2eb2011-04-14 16:08:02 -0700213 mDragController = dragController;
Winson Chung321e9ee2010-08-09 13:37:56 -0700214 }
215
216 public void setAppFilter(int filterType) {
217 mAppFilter = filterType;
Winson Chung80baf5a2010-08-09 16:03:15 -0700218 if (mApps != null) {
219 mFilteredApps = rebuildFilteredApps(mApps);
Winson Chung86f77532010-08-24 11:08:22 -0700220 setCurrentPage(0);
Winson Chung80baf5a2010-08-09 16:03:15 -0700221 invalidatePageData();
222 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700223 }
224
Winson Chung20f71112011-04-06 14:22:04 -0700225 void resetSuccessfulDropFlag() {
226 mHasMadeSuccessfulDrop = false;
227 }
228
Winson Chung321e9ee2010-08-09 13:37:56 -0700229 @Override
230 public void zoom(float zoom, boolean animate) {
231 mZoom = zoom;
232 cancelLongPress();
233
234 if (isVisible()) {
Winson Chung321e9ee2010-08-09 13:37:56 -0700235 if (animate) {
236 startAnimation(AnimationUtils.loadAnimation(getContext(),
237 R.anim.all_apps_2d_fade_in));
238 } else {
239 onAnimationEnd();
240 }
241 } else {
242 if (animate) {
243 startAnimation(AnimationUtils.loadAnimation(getContext(),
244 R.anim.all_apps_2d_fade_out));
245 } else {
246 onAnimationEnd();
247 }
248 }
249 }
250
251 protected void onAnimationEnd() {
252 if (!isVisible()) {
Winson Chung321e9ee2010-08-09 13:37:56 -0700253 mZoom = 0.0f;
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700254
255 endChoiceMode();
Winson Chung321e9ee2010-08-09 13:37:56 -0700256 } else {
257 mZoom = 1.0f;
258 }
259
260 if (mLauncher != null)
261 mLauncher.zoomed(mZoom);
262 }
263
264 private int getChildIndexForGrandChild(View v) {
265 final int childCount = getChildCount();
266 for (int i = 0; i < childCount; ++i) {
Michael Jurka8245a862011-02-01 17:53:59 -0800267 final Page layout = (Page) getChildAt(i);
268 if (layout.indexOfChildOnPage(v) > -1) {
Winson Chung321e9ee2010-08-09 13:37:56 -0700269 return i;
270 }
271 }
272 return -1;
273 }
274
275 @Override
276 public void onClick(View v) {
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700277 // if we are already in a choice mode, then just change the selection
278 if (v instanceof Checkable) {
279 if (!isChoiceMode(CHOICE_MODE_NONE)) {
Patrick Dubroy9f7aec82010-09-06 11:03:37 -0700280 Checkable c = (Checkable) v;
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700281 if (isChoiceMode(CHOICE_MODE_SINGLE)) {
Patrick Dubroy9f7aec82010-09-06 11:03:37 -0700282 // Uncheck all the other grandchildren, and toggle the clicked one
283 boolean wasChecked = c.isChecked();
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700284 resetCheckedGrandchildren();
Patrick Dubroy9f7aec82010-09-06 11:03:37 -0700285 c.setChecked(!wasChecked);
286 } else {
287 c.toggle();
288 }
289 if (getCheckedGrandchildren().size() == 0) {
290 endChoiceMode();
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700291 }
292
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700293 return;
294 }
295 }
296
297 // otherwise continue and launch the application
Winson Chung321e9ee2010-08-09 13:37:56 -0700298 int childIndex = getChildIndexForGrandChild(v);
Winson Chung86f77532010-08-24 11:08:22 -0700299 if (childIndex == getCurrentPage()) {
Winson Chung321e9ee2010-08-09 13:37:56 -0700300 final ApplicationInfo app = (ApplicationInfo) v.getTag();
301
Winson Chung80baf5a2010-08-09 16:03:15 -0700302 // animate some feedback to the click
303 animateClickFeedback(v, new Runnable() {
Winson Chung321e9ee2010-08-09 13:37:56 -0700304 @Override
Winson Chung80baf5a2010-08-09 16:03:15 -0700305 public void run() {
Winson Chung321e9ee2010-08-09 13:37:56 -0700306 mLauncher.startActivitySafely(app.intent, app);
307 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700308 });
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700309
310 endChoiceMode();
Winson Chung321e9ee2010-08-09 13:37:56 -0700311 }
312 }
313
Patrick Dubroycd953712011-02-28 15:16:42 -0800314 private void setupDragMode(ApplicationInfo info) {
Michael Jurkaaf91de02010-11-23 16:23:58 -0800315 mLauncher.getWorkspace().shrink(Workspace.ShrinkState.BOTTOM_VISIBLE);
Patrick Dubroycd953712011-02-28 15:16:42 -0800316
317 // Only show the uninstall button if the app is uninstallable.
318 if ((info.flags & ApplicationInfo.DOWNLOADED_FLAG) != 0) {
319 DeleteZone allAppsDeleteZone = (DeleteZone)
320 mLauncher.findViewById(R.id.all_apps_delete_zone);
321 allAppsDeleteZone.setDragAndDropEnabled(true);
322
323 if ((info.flags & ApplicationInfo.UPDATED_SYSTEM_APP_FLAG) != 0) {
324 allAppsDeleteZone.setText(R.string.delete_zone_label_all_apps_system_app);
325 } else {
326 allAppsDeleteZone.setText(R.string.delete_zone_label_all_apps);
327 }
328 }
Michael Jurkab8e14472010-12-20 16:06:10 -0800329
Adam Cohencdc30d52010-12-01 15:09:47 -0800330 ApplicationInfoDropTarget allAppsInfoButton =
331 (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target);
332 allAppsInfoButton.setDragAndDropEnabled(true);
Adam Cohencdc30d52010-12-01 15:09:47 -0800333 }
334
335 private void tearDownDragMode() {
336 post(new Runnable() {
337 // Once the drag operation has fully completed, hence the post, we want to disable the
338 // deleteZone and the appInfoButton in all apps, and re-enable the instance which
339 // live in the workspace
340 public void run() {
Michael Jurkab8e14472010-12-20 16:06:10 -0800341 DeleteZone allAppsDeleteZone =
342 (DeleteZone) mLauncher.findViewById(R.id.all_apps_delete_zone);
Michael Jurkac31820d2011-01-16 16:57:05 -0800343 // if onDestroy was called on Launcher, we might have already deleted the
344 // all apps delete zone / info button, so check if they are null
345 if (allAppsDeleteZone != null) allAppsDeleteZone.setDragAndDropEnabled(false);
Michael Jurkab8e14472010-12-20 16:06:10 -0800346
Adam Cohencdc30d52010-12-01 15:09:47 -0800347 ApplicationInfoDropTarget allAppsInfoButton =
348 (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target);
Michael Jurkac31820d2011-01-16 16:57:05 -0800349 if (allAppsInfoButton != null) allAppsInfoButton.setDragAndDropEnabled(false);
Adam Cohencdc30d52010-12-01 15:09:47 -0800350 }
351 });
352 resetCheckedGrandchildren();
353 mDragController.removeDropTarget(this);
354 }
355
Winson Chung321e9ee2010-08-09 13:37:56 -0700356 @Override
Michael Jurka72b079e2010-12-10 01:03:53 -0800357 protected boolean beginDragging(View v) {
Winson Chung304dcde2011-01-07 11:17:23 -0800358 if (!v.isInTouchMode()) return false;
359 if (!super.beginDragging(v)) return false;
Winson Chung321e9ee2010-08-09 13:37:56 -0700360
361 ApplicationInfo app = (ApplicationInfo) v.getTag();
362 app = new ApplicationInfo(app);
363
Patrick Dubroycd953712011-02-28 15:16:42 -0800364 // Start drag mode after the item is selected
365 setupDragMode(app);
366
Michael Jurkad3ef3062010-11-23 16:23:58 -0800367 // get icon (top compound drawable, index is 1)
Winson Chungcd4bc492010-12-09 18:52:32 -0800368 final TextView tv = (TextView) v;
369 final Drawable icon = tv.getCompoundDrawables()[1];
370 Bitmap b = Bitmap.createBitmap(v.getWidth(), v.getHeight(),
Michael Jurkad3ef3062010-11-23 16:23:58 -0800371 Bitmap.Config.ARGB_8888);
372 Canvas c = new Canvas(b);
Winson Chungcd4bc492010-12-09 18:52:32 -0800373 c.translate((v.getWidth() - icon.getIntrinsicWidth()) / 2, v.getPaddingTop());
Michael Jurkad3ef3062010-11-23 16:23:58 -0800374 icon.draw(c);
Winson Chungcd4bc492010-12-09 18:52:32 -0800375
Adam Cohene3e27a82011-04-15 12:07:39 -0700376 Rect dragRect = null;
377 if (v instanceof TextView) {
378 int iconSize = getResources().getDimensionPixelSize(R.dimen.app_icon_size);
379 int top = v.getPaddingTop();
380 int left = (b.getWidth() - iconSize) / 2;
381 int right = left + iconSize;
382 int bottom = top + iconSize;
383 dragRect = new Rect(left, top, right, bottom);
384 }
385
Winson Chungcd4bc492010-12-09 18:52:32 -0800386 // We toggle the checked state _after_ we create the view for the drag in case toggling the
387 // checked state changes the view's look
388 if (v instanceof Checkable) {
389 // In preparation for drag, we always reset the checked grand children regardless of
390 // what choice mode we are in
391 resetCheckedGrandchildren();
392
393 // Toggle the selection on the dragged app
394 Checkable checkable = (Checkable) v;
Winson Chung59e1f9a2010-12-21 11:31:54 -0800395
396 // Note: we toggle the checkable state to actually cause an alpha fade for the duration
397 // of the drag of the item. (The fade-in will occur when all checked states are
398 // disabled when dragging ends)
Winson Chungcd4bc492010-12-09 18:52:32 -0800399 checkable.toggle();
400 }
401
402 // Start the drag
Winson Chung400438b2011-01-16 17:53:48 -0800403 mLauncher.lockScreenOrientation();
Michael Jurkad3ef3062010-11-23 16:23:58 -0800404 mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1, b);
Adam Cohene3e27a82011-04-15 12:07:39 -0700405 mDragController.startDrag(v, b, this, app, DragController.DRAG_ACTION_COPY, dragRect);
Winson Chungcd4bc492010-12-09 18:52:32 -0800406 b.recycle();
Winson Chung321e9ee2010-08-09 13:37:56 -0700407 return true;
408 }
409
410 @Override
Patrick Dubroya669d792010-11-23 14:40:33 -0800411 public void onDragViewVisible() {
412 }
413
414 @Override
Patrick Dubroy5f445422011-02-18 14:35:21 -0800415 public void onDropCompleted(View target, Object dragInfo, boolean success) {
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700416 // close the choice action mode if we have a proper drop
417 if (target != this) {
418 endChoiceMode();
419 }
Adam Cohencdc30d52010-12-01 15:09:47 -0800420 tearDownDragMode();
Patrick Dubroy7bccb422011-01-20 14:50:55 -0800421 mLauncher.getWorkspace().onDragStopped(success);
Winson Chung400438b2011-01-16 17:53:48 -0800422 mLauncher.unlockScreenOrientation();
Winson Chung20f71112011-04-06 14:22:04 -0700423
424 if (!success && !mHasMadeSuccessfulDrop) {
425 mLauncher.getWorkspace().shrink(Workspace.ShrinkState.BOTTOM_HIDDEN);
426 } else {
427 mHasMadeSuccessfulDrop |= success;
428 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700429 }
430
Michael Jurka7ef959b2011-02-23 11:48:32 -0800431 int getPageContentWidth() {
432 return mPageContentWidth;
433 }
434
Winson Chung321e9ee2010-08-09 13:37:56 -0700435 @Override
436 public boolean isVisible() {
437 return mZoom > 0.001f;
438 }
439
440 @Override
441 public boolean isAnimating() {
442 return (getAnimation() != null);
443 }
444
445 private ArrayList<ApplicationInfo> rebuildFilteredApps(ArrayList<ApplicationInfo> apps) {
446 ArrayList<ApplicationInfo> filteredApps = new ArrayList<ApplicationInfo>();
447 if (mAppFilter == ALL_APPS_FLAG) {
448 return apps;
449 } else {
450 final int length = apps.size();
451 for (int i = 0; i < length; ++i) {
452 ApplicationInfo info = apps.get(i);
453 if ((info.flags & mAppFilter) > 0) {
454 filteredApps.add(info);
455 }
456 }
Winson Chung78403fe2011-01-21 15:38:02 -0800457 Collections.sort(filteredApps, LauncherModel.APP_INSTALL_TIME_COMPARATOR);
Winson Chung321e9ee2010-08-09 13:37:56 -0700458 }
459 return filteredApps;
460 }
461
462 @Override
463 public void setApps(ArrayList<ApplicationInfo> list) {
464 mApps = list;
Winson Chung80baf5a2010-08-09 16:03:15 -0700465 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR);
Winson Chung321e9ee2010-08-09 13:37:56 -0700466 mFilteredApps = rebuildFilteredApps(mApps);
Winson Chung04998342011-01-05 13:54:43 -0800467 mPageViewIconCache.retainAllApps(list);
Winson Chung321e9ee2010-08-09 13:37:56 -0700468 invalidatePageData();
469 }
470
Winson Chung80baf5a2010-08-09 16:03:15 -0700471 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) {
472 // we add it in place, in alphabetical order
473 final int count = list.size();
474 for (int i = 0; i < count; ++i) {
475 final ApplicationInfo info = list.get(i);
476 final int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR);
477 if (index < 0) {
478 mApps.add(-(index + 1), info);
Winson Chung452821f2011-01-14 16:39:47 -0800479 } else {
480 mApps.add(index, info);
Winson Chung80baf5a2010-08-09 16:03:15 -0700481 }
482 }
483 mFilteredApps = rebuildFilteredApps(mApps);
484 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700485 @Override
486 public void addApps(ArrayList<ApplicationInfo> list) {
Winson Chung80baf5a2010-08-09 16:03:15 -0700487 addAppsWithoutInvalidate(list);
Winson Chung321e9ee2010-08-09 13:37:56 -0700488 invalidatePageData();
489 }
490
Winson Chung80baf5a2010-08-09 16:03:15 -0700491 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) {
Winson Chung10fefb12010-11-01 11:57:06 -0700492 // End the choice mode if any of the items in the list that are being removed are
493 // currently selected
494 ArrayList<Checkable> checkedList = getCheckedGrandchildren();
495 HashSet<ApplicationInfo> checkedAppInfos = new HashSet<ApplicationInfo>();
496 for (Checkable checked : checkedList) {
497 PagedViewIcon icon = (PagedViewIcon) checked;
498 checkedAppInfos.add((ApplicationInfo) icon.getTag());
499 }
500 for (ApplicationInfo info : list) {
501 if (checkedAppInfos.contains(info)) {
502 endChoiceMode();
503 break;
504 }
505 }
506
507 // Loop through all the apps and remove apps that have the same component
Winson Chung321e9ee2010-08-09 13:37:56 -0700508 final int length = list.size();
509 for (int i = 0; i < length; ++i) {
Winson Chung241c3b42010-08-25 16:53:03 -0700510 final ApplicationInfo info = list.get(i);
511 int removeIndex = findAppByComponent(mApps, info);
Winson Chung321e9ee2010-08-09 13:37:56 -0700512 if (removeIndex > -1) {
513 mApps.remove(removeIndex);
Winson Chung04998342011-01-05 13:54:43 -0800514 mPageViewIconCache.removeOutline(new PagedViewIconCache.Key(info));
Winson Chung321e9ee2010-08-09 13:37:56 -0700515 }
516 }
Winson Chung80baf5a2010-08-09 16:03:15 -0700517 mFilteredApps = rebuildFilteredApps(mApps);
518 }
Michael Jurkaabded662011-03-04 12:06:57 -0800519
Winson Chung80baf5a2010-08-09 16:03:15 -0700520 @Override
521 public void removeApps(ArrayList<ApplicationInfo> list) {
522 removeAppsWithoutInvalidate(list);
Winson Chung321e9ee2010-08-09 13:37:56 -0700523 invalidatePageData();
524 }
525
526 @Override
527 public void updateApps(ArrayList<ApplicationInfo> list) {
Winson Chung80baf5a2010-08-09 16:03:15 -0700528 removeAppsWithoutInvalidate(list);
529 addAppsWithoutInvalidate(list);
530 invalidatePageData();
Winson Chung321e9ee2010-08-09 13:37:56 -0700531 }
532
533 private int findAppByComponent(ArrayList<ApplicationInfo> list, ApplicationInfo item) {
Winson Chung8b534782011-02-23 13:43:59 -0800534 if (item != null && item.intent != null) {
535 ComponentName removeComponent = item.intent.getComponent();
536 final int length = list.size();
537 for (int i = 0; i < length; ++i) {
538 ApplicationInfo info = list.get(i);
539 if (info.intent.getComponent().equals(removeComponent)) {
540 return i;
541 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700542 }
543 }
544 return -1;
545 }
546
547 @Override
548 public void dumpState() {
549 ApplicationInfo.dumpApplicationInfoList(TAG, "mApps", mApps);
550 }
551
552 @Override
553 public void surrender() {
554 // do nothing?
555 }
556
Winson Chung337cd9d2011-03-30 10:39:30 -0700557 public void reset() {
558 setCurrentPage(0);
559 invalidatePageData();
560 }
561
Michael Jurka7ef959b2011-02-23 11:48:32 -0800562 private void setupPage(PagedViewCellLayout layout) {
563 layout.setCellCount(mCellCountX, mCellCountY);
564 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, mPageLayoutPaddingRight,
565 mPageLayoutPaddingBottom);
566 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap);
567 }
568
Winson Chung321e9ee2010-08-09 13:37:56 -0700569 @Override
Michael Jurka87b14902011-05-25 22:13:09 -0700570 protected void invalidatePageData() {
571 if (mWaitingToInitPages || mCellCountX <= 0 || mCellCountY <= 0) {
Michael Jurka4c6016f2011-05-17 18:21:03 -0700572 // We don't know our size yet, which means we haven't calculated cell count x/y;
573 // onMeasure will call us once we figure out our size
574 return;
575 }
Michael Jurka87b14902011-05-25 22:13:09 -0700576 super.invalidatePageData();
577 }
578
579 @Override
580 public void syncPages() {
Winson Chung96785572010-10-14 13:37:13 -0700581 // ensure that we have the right number of pages (min of 1, since we have placeholders)
582 int numPages = Math.max(1,
583 (int) Math.ceil((float) mFilteredApps.size() / (mCellCountX * mCellCountY)));
Winson Chung321e9ee2010-08-09 13:37:56 -0700584 int curNumPages = getChildCount();
585 // remove any extra pages after the "last" page
586 int extraPageDiff = curNumPages - numPages;
587 for (int i = 0; i < extraPageDiff; ++i) {
588 removeViewAt(numPages);
589 }
590 // add any necessary pages
591 for (int i = curNumPages; i < numPages; ++i) {
592 PagedViewCellLayout layout = new PagedViewCellLayout(getContext());
Michael Jurkaabded662011-03-04 12:06:57 -0800593 if (mAllowHardwareLayerCreation) {
594 layout.allowHardwareLayerCreation();
595 }
Michael Jurka7ef959b2011-02-23 11:48:32 -0800596 setupPage(layout);
Winson Chung321e9ee2010-08-09 13:37:56 -0700597 addView(layout);
598 }
599
600 // bound the current page
Winson Chung86f77532010-08-24 11:08:22 -0700601 setCurrentPage(Math.max(0, Math.min(numPages - 1, getCurrentPage())));
Winson Chung321e9ee2010-08-09 13:37:56 -0700602 }
603
604 @Override
605 public void syncPageItems(int page) {
Winson Chung96785572010-10-14 13:37:13 -0700606 // Ensure that we have the right number of items on the pages
Winson Chung63257c12011-05-05 17:06:13 -0700607 final int numPages = getPageCount();
Winson Chung80baf5a2010-08-09 16:03:15 -0700608 final int cellsPerPage = mCellCountX * mCellCountY;
609 final int startIndex = page * cellsPerPage;
610 final int endIndex = Math.min(startIndex + cellsPerPage, mFilteredApps.size());
Winson Chung321e9ee2010-08-09 13:37:56 -0700611 PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page);
Winson Chung80baf5a2010-08-09 16:03:15 -0700612
Winson Chung96785572010-10-14 13:37:13 -0700613 if (!mFilteredApps.isEmpty()) {
Michael Jurka8245a862011-02-01 17:53:59 -0800614 int curNumPageItems = layout.getPageChildCount();
Winson Chung96785572010-10-14 13:37:13 -0700615 int numPageItems = endIndex - startIndex;
Winson Chung6a70e9f2011-05-17 16:24:49 -0700616 boolean createHolographicOutlines = (numPages > 1);
Winson Chung80baf5a2010-08-09 16:03:15 -0700617
Winson Chung96785572010-10-14 13:37:13 -0700618 // If we were previously an empty page, then restart anew
619 boolean wasEmptyPage = false;
620 if (curNumPageItems == 1) {
Michael Jurka8245a862011-02-01 17:53:59 -0800621 View icon = layout.getChildOnPageAt(0);
Winson Chung96785572010-10-14 13:37:13 -0700622 if (icon.getTag() == null) {
623 wasEmptyPage = true;
624 }
625 }
Winson Chung80baf5a2010-08-09 16:03:15 -0700626
Winson Chung96785572010-10-14 13:37:13 -0700627 if (wasEmptyPage) {
628 // Remove all the previous items
629 curNumPageItems = 0;
Michael Jurka8245a862011-02-01 17:53:59 -0800630 layout.removeAllViewsOnPage();
Winson Chung96785572010-10-14 13:37:13 -0700631 } else {
632 // Remove any extra items
633 int extraPageItemsDiff = curNumPageItems - numPageItems;
634 for (int i = 0; i < extraPageItemsDiff; ++i) {
Michael Jurka8245a862011-02-01 17:53:59 -0800635 layout.removeViewOnPageAt(numPageItems);
Winson Chung96785572010-10-14 13:37:13 -0700636 }
637 }
Winson Chung80baf5a2010-08-09 16:03:15 -0700638
Winson Chung96785572010-10-14 13:37:13 -0700639 // Add any necessary items
640 for (int i = curNumPageItems; i < numPageItems; ++i) {
641 TextView text = (TextView) mInflater.inflate(
642 R.layout.all_apps_paged_view_application, layout, false);
643 text.setOnClickListener(this);
644 text.setOnLongClickListener(this);
Michael Jurka72b079e2010-12-10 01:03:53 -0800645 text.setOnTouchListener(this);
Winson Chung321e9ee2010-08-09 13:37:56 -0700646
Winson Chung96785572010-10-14 13:37:13 -0700647 layout.addViewToCellLayout(text, -1, i,
Winson Chung6a70e9f2011-05-17 16:24:49 -0700648 new PagedViewCellLayout.LayoutParams(0, 0, 1, 1));
Winson Chung96785572010-10-14 13:37:13 -0700649 }
650
651 // Actually reapply to the existing text views
652 for (int i = startIndex; i < endIndex; ++i) {
653 final int index = i - startIndex;
654 final ApplicationInfo info = mFilteredApps.get(i);
Michael Jurka8245a862011-02-01 17:53:59 -0800655 PagedViewIcon icon = (PagedViewIcon) layout.getChildOnPageAt(index);
Michael Jurkab9b8ce92011-05-05 15:05:07 -0700656 icon.applyFromApplicationInfo(
Winson Chung63257c12011-05-05 17:06:13 -0700657 info, mPageViewIconCache, true, createHolographicOutlines);
Winson Chung96785572010-10-14 13:37:13 -0700658
659 PagedViewCellLayout.LayoutParams params =
660 (PagedViewCellLayout.LayoutParams) icon.getLayoutParams();
661 params.cellX = index % mCellCountX;
662 params.cellY = index / mCellCountX;
663 }
664
Winson Chung6a70e9f2011-05-17 16:24:49 -0700665 // We should try and sync all the holographic icons after adding/removing new items
666 layout.reloadHolographicIcons(createHolographicOutlines);
667
Winson Chung96785572010-10-14 13:37:13 -0700668 // Default to left-aligned icons
669 layout.enableCenteredContent(false);
670 } else {
671 // There are no items, so show the user a small message
672 TextView icon = (TextView) mInflater.inflate(
673 R.layout.all_apps_no_items_placeholder, layout, false);
674 switch (mAppFilter) {
Winson Chung96785572010-10-14 13:37:13 -0700675 case ApplicationInfo.DOWNLOADED_FLAG:
676 icon.setText(mContext.getString(R.string.all_apps_no_downloads));
677 break;
678 default: break;
679 }
680
681 // Center-align the message
Winson Chungdd259022011-05-10 15:59:42 -0700682 final boolean createHolographicOutlines = (numPages > 1);
Winson Chung96785572010-10-14 13:37:13 -0700683 layout.enableCenteredContent(true);
Michael Jurka8245a862011-02-01 17:53:59 -0800684 layout.removeAllViewsOnPage();
Winson Chung96785572010-10-14 13:37:13 -0700685 layout.addViewToCellLayout(icon, -1, 0,
Winson Chung6a70e9f2011-05-17 16:24:49 -0700686 new PagedViewCellLayout.LayoutParams(0, 0, 4, 1));
Winson Chung321e9ee2010-08-09 13:37:56 -0700687 }
Michael Jurkac5e49022011-02-16 12:04:02 -0800688 layout.createHardwareLayers();
Winson Chung321e9ee2010-08-09 13:37:56 -0700689 }
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700690
691 /*
692 * We don't actually use AllAppsPagedView as a drop target... it's only used to intercept a drop
693 * to the workspace.
694 */
Adam Cohencb3382b2011-05-24 14:07:08 -0700695 public boolean acceptDrop(DragObject d) {
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700696 return false;
697 }
Adam Cohencb3382b2011-05-24 14:07:08 -0700698 public DropTarget getDropTargetDelegate(DragObject d) {
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700699 return null;
700 }
Adam Cohencb3382b2011-05-24 14:07:08 -0700701 public void onDragEnter(DragObject d) {}
702 public void onDragExit(DragObject d) {}
703 public void onDragOver(DragObject d) {}
704 public void onDrop(DragObject d) {}
Michael Jurka0280c3b2010-09-17 15:00:07 -0700705
706 public boolean isDropEnabled() {
707 return true;
708 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700709}