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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
Winson Chung321e9ee2010-08-09 13:37:56 -070019import android.content.ComponentName;
20import android.content.Context;
Michael Jurka72b079e2010-12-10 01:03:53 -080021import android.content.res.Resources;
Winson Chung321e9ee2010-08-09 13:37:56 -070022import android.content.res.TypedArray;
Michael Jurkad3ef3062010-11-23 16:23:58 -080023import android.graphics.Bitmap;
24import android.graphics.Canvas;
Adam Cohene3e27a82011-04-15 12:07:39 -070025import android.graphics.Rect;
Michael Jurkad3ef3062010-11-23 16:23:58 -080026import android.graphics.drawable.Drawable;
Winson Chung321e9ee2010-08-09 13:37:56 -070027import android.util.AttributeSet;
28import android.view.LayoutInflater;
29import android.view.View;
Winson Chung321e9ee2010-08-09 13:37:56 -070030import android.view.animation.AnimationUtils;
Winson Chung5f2aa4e2010-08-20 14:49:25 -070031import android.widget.Checkable;
Winson Chung321e9ee2010-08-09 13:37:56 -070032import android.widget.TextView;
33
Adam Cohenc0dcf592011-06-01 15:30:43 -070034import com.android.launcher.R;
35
Michael Jurkaaf91de02010-11-23 16:23:58 -080036import java.util.ArrayList;
37import java.util.Collections;
38import java.util.HashSet;
Winson Chung321e9ee2010-08-09 13:37:56 -070039
40/**
41 * An implementation of PagedView that populates the pages of the workspace
42 * with all of the user's applications.
43 */
Michael Jurka72b079e2010-12-10 01:03:53 -080044public class AllAppsPagedView extends PagedViewWithDraggableItems implements AllAppsView,
45 View.OnClickListener, DragSource, DropTarget {
Winson Chung321e9ee2010-08-09 13:37:56 -070046
47 private static final String TAG = "AllAppsPagedView";
Winson Chung321e9ee2010-08-09 13:37:56 -070048
49 private Launcher mLauncher;
50 private DragController mDragController;
51
52 // preserve compatibility with 3D all apps:
53 // 0.0 -> hidden
54 // 1.0 -> shown and opaque
55 // intermediate values -> partially shown & partially opaque
56 private float mZoom;
57
58 // set of all applications
59 private ArrayList<ApplicationInfo> mApps;
60 private ArrayList<ApplicationInfo> mFilteredApps;
61
62 // the types of applications to filter
63 static final int ALL_APPS_FLAG = -1;
64 private int mAppFilter = ALL_APPS_FLAG;
65
Winson Chung321e9ee2010-08-09 13:37:56 -070066 private final LayoutInflater mInflater;
Michael Jurkaabded662011-03-04 12:06:57 -080067 private boolean mAllowHardwareLayerCreation;
Winson Chung321e9ee2010-08-09 13:37:56 -070068
Michael Jurka7ef959b2011-02-23 11:48:32 -080069 private int mPageContentWidth;
Winson Chung20f71112011-04-06 14:22:04 -070070 private boolean mHasMadeSuccessfulDrop;
Patrick Dubroydea9e932010-09-22 15:04:29 -070071
Patrick Dubroy244d74c2011-05-19 16:48:48 -070072 private int mLastMeasureWidth = -1;
73 private int mLastMeasureHeight = -1;
Michael Jurka87b14902011-05-25 22:13:09 -070074 private boolean mWaitingToInitPages = true;
Patrick Dubroy244d74c2011-05-19 16:48:48 -070075
Patrick Dubroy4a5ad092011-05-23 16:15:09 -070076 private int mMaxCellCountY;
77
Winson Chung321e9ee2010-08-09 13:37:56 -070078 public AllAppsPagedView(Context context) {
79 this(context, null);
80 }
81
82 public AllAppsPagedView(Context context, AttributeSet attrs) {
83 this(context, attrs, 0);
84 }
85
86 public AllAppsPagedView(Context context, AttributeSet attrs, int defStyle) {
87 super(context, attrs, defStyle);
88 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, defStyle, 0);
Winson Chung321e9ee2010-08-09 13:37:56 -070089 mInflater = LayoutInflater.from(context);
Winson Chung8b534782011-02-23 13:43:59 -080090 mApps = new ArrayList<ApplicationInfo>();
91 mFilteredApps = new ArrayList<ApplicationInfo>();
Winson Chung321e9ee2010-08-09 13:37:56 -070092 a.recycle();
93 setSoundEffectsEnabled(false);
Michael Jurka72b079e2010-12-10 01:03:53 -080094
Patrick Dubroy4a5ad092011-05-23 16:15:09 -070095 final Resources r = context.getResources();
Michael Jurka72b079e2010-12-10 01:03:53 -080096 setDragSlopeThreshold(
Winson Chung785d2eb2011-04-14 16:08:02 -070097 r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold) / 100.0f);
Patrick Dubroy4a5ad092011-05-23 16:15:09 -070098 mMaxCellCountY = r.getInteger(R.integer.all_apps_view_maxCellCountY);
Winson Chung321e9ee2010-08-09 13:37:56 -070099 }
100
101 @Override
Winson Chung7da10252010-10-28 16:07:04 -0700102 protected void init() {
103 super.init();
104 mCenterPagesVertically = false;
105 }
106
Michael Jurka4c6016f2011-05-17 18:21:03 -0700107 @Override
108 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
Patrick Dubroy244d74c2011-05-19 16:48:48 -0700109 final int width = MeasureSpec.getSize(widthMeasureSpec);
110 final int height = MeasureSpec.getSize(heightMeasureSpec);
Michael Jurka4c6016f2011-05-17 18:21:03 -0700111
Patrick Dubroy244d74c2011-05-19 16:48:48 -0700112 if (mLastMeasureWidth != width || mLastMeasureHeight != height) {
Michael Jurka4c6016f2011-05-17 18:21:03 -0700113 // Create a dummy page and set it up to find out the content width (used by our parent)
114 PagedViewCellLayout layout = new PagedViewCellLayout(getContext());
115 setupPage(layout);
116 mPageContentWidth = layout.getContentWidth();
Patrick Dubroy244d74c2011-05-19 16:48:48 -0700117
118 mCellCountX = determineCellCountX(width, layout);
119 mCellCountY = determineCellCountY(height, layout);
120 mLastMeasureWidth = width;
121 mLastMeasureHeight = height;
Michael Jurka983e3fd2011-05-26 17:10:29 -0700122 postInvalidatePageData(true);
Michael Jurka4c6016f2011-05-17 18:21:03 -0700123 }
Patrick Dubroy244d74c2011-05-19 16:48:48 -0700124 super.onMeasure(widthMeasureSpec, heightMeasureSpec);
125 }
126
127 @Override
128 protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
Michael Jurka87b14902011-05-25 22:13:09 -0700129 if (mWaitingToInitPages) {
130 mWaitingToInitPages = false;
Michael Jurka983e3fd2011-05-26 17:10:29 -0700131 postInvalidatePageData(false);
Patrick Dubroy244d74c2011-05-19 16:48:48 -0700132 }
133 super.onLayout(changed, left, top, right, bottom);
134 }
135
136 private int determineCellCountX(int availableWidth, PagedViewCellLayout layout) {
137 int cellCountX = 0;
138 final int cellWidth = layout.getCellWidth();
139
140 // Subtract padding for current page and adjacent pages
141 availableWidth -= mPageLayoutPaddingLeft * 2 + mPageLayoutPaddingRight * 2;
142
143 availableWidth -= cellWidth; // Assume at least one column
144 cellCountX = 1 + availableWidth / (cellWidth + mPageLayoutWidthGap);
145 availableWidth = availableWidth % (cellWidth + mPageLayoutWidthGap);
146
147 // Ensures that we show at least 30% of the holo icons on each side
148 final int minLeftoverWidth = (int) (cellWidth * 0.6f);
149
150 // Reserve room for the holo outlines
151 if (cellCountX <= 4) {
152 // When we're really tight on space, just pack the icons a bit closer together
153 final int missingWidth = minLeftoverWidth - availableWidth;
154 if (missingWidth > 0) {
155 mPageLayoutWidthGap -= Math.ceil(missingWidth * 1.0f / (cellCountX - 1));
156 }
157 } else {
158 if (cellCountX >= 8) {
159 // Carve out a few extra columns for very large widths
160 cellCountX = (int) (cellCountX * 0.9f);
161 } else if (availableWidth < minLeftoverWidth) {
162 cellCountX -= 1;
163 }
164 }
165 return cellCountX;
166 }
167
168 private int determineCellCountY(int availableHeight, PagedViewCellLayout layout) {
169 final int cellHeight = layout.getCellHeight();
170 final int screenHeight = mLauncher.getResources().getDisplayMetrics().heightPixels;
171
172 availableHeight -= mPageLayoutPaddingTop + mPageLayoutPaddingBottom;
173 availableHeight -= cellHeight; // Assume at least one row
Michael Jurka25dfc082011-06-02 17:43:52 -0700174 Resources r = getContext().getResources();
Michael Jurka8e41ad22011-06-03 18:42:05 -0700175 float scaleFactor = r.getInteger(R.integer.config_appsCustomizeZoomScaleFactor) / 100f;
Michael Jurka25dfc082011-06-02 17:43:52 -0700176 availableHeight -= screenHeight * scaleFactor;
Patrick Dubroy4a5ad092011-05-23 16:15:09 -0700177 if (availableHeight > 0) {
178 return Math.min(mMaxCellCountY,
179 1 + availableHeight / (cellHeight + mPageLayoutHeightGap));
180 }
181 return 0;
182 }
183
184 int getCellCountX() {
185 return mCellCountX;
186 }
187
188 int getCellCountY() {
189 return mCellCountY;
Michael Jurka4c6016f2011-05-17 18:21:03 -0700190 }
191
Michael Jurkaabded662011-03-04 12:06:57 -0800192 void allowHardwareLayerCreation() {
193 // This is called after the first time we launch into All Apps. Before that point,
194 // there's no need for hardware layers here since there's a hardware layer set on the
195 // parent, AllAppsTabbed, during the AllApps transition -- creating hardware layers here
196 // before the animation is done slows down the animation
197 if (mAllowHardwareLayerCreation) {
198 return;
199 }
200 mAllowHardwareLayerCreation = true;
201 int childCount = getChildCount();
202 for (int i = 0; i < childCount; i++) {
203 PagedViewCellLayout page = (PagedViewCellLayout) getChildAt(i);
204 page.allowHardwareLayerCreation();
205 }
206 }
207
Winson Chung7da10252010-10-28 16:07:04 -0700208 @Override
Winson Chung785d2eb2011-04-14 16:08:02 -0700209 public void setup(Launcher launcher, DragController dragController) {
Winson Chung321e9ee2010-08-09 13:37:56 -0700210 mLauncher = launcher;
Patrick Dubroy2b9ff372010-09-07 17:49:27 -0700211 mLauncher.setAllAppsPagedView(this);
Winson Chung785d2eb2011-04-14 16:08:02 -0700212 mDragController = dragController;
Winson Chung321e9ee2010-08-09 13:37:56 -0700213 }
214
215 public void setAppFilter(int filterType) {
216 mAppFilter = filterType;
Winson Chung80baf5a2010-08-09 16:03:15 -0700217 if (mApps != null) {
218 mFilteredApps = rebuildFilteredApps(mApps);
Winson Chung86f77532010-08-24 11:08:22 -0700219 setCurrentPage(0);
Winson Chung80baf5a2010-08-09 16:03:15 -0700220 invalidatePageData();
221 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700222 }
223
Winson Chung20f71112011-04-06 14:22:04 -0700224 void resetSuccessfulDropFlag() {
225 mHasMadeSuccessfulDrop = false;
226 }
227
Winson Chung321e9ee2010-08-09 13:37:56 -0700228 @Override
229 public void zoom(float zoom, boolean animate) {
230 mZoom = zoom;
231 cancelLongPress();
232
233 if (isVisible()) {
Winson Chung321e9ee2010-08-09 13:37:56 -0700234 if (animate) {
235 startAnimation(AnimationUtils.loadAnimation(getContext(),
236 R.anim.all_apps_2d_fade_in));
237 } else {
238 onAnimationEnd();
239 }
240 } else {
241 if (animate) {
242 startAnimation(AnimationUtils.loadAnimation(getContext(),
243 R.anim.all_apps_2d_fade_out));
244 } else {
245 onAnimationEnd();
246 }
247 }
248 }
249
250 protected void onAnimationEnd() {
251 if (!isVisible()) {
Winson Chung321e9ee2010-08-09 13:37:56 -0700252 mZoom = 0.0f;
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700253
254 endChoiceMode();
Winson Chung321e9ee2010-08-09 13:37:56 -0700255 } else {
256 mZoom = 1.0f;
257 }
258
259 if (mLauncher != null)
260 mLauncher.zoomed(mZoom);
261 }
262
263 private int getChildIndexForGrandChild(View v) {
264 final int childCount = getChildCount();
265 for (int i = 0; i < childCount; ++i) {
Michael Jurka8245a862011-02-01 17:53:59 -0800266 final Page layout = (Page) getChildAt(i);
267 if (layout.indexOfChildOnPage(v) > -1) {
Winson Chung321e9ee2010-08-09 13:37:56 -0700268 return i;
269 }
270 }
271 return -1;
272 }
273
274 @Override
275 public void onClick(View v) {
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700276 // if we are already in a choice mode, then just change the selection
277 if (v instanceof Checkable) {
278 if (!isChoiceMode(CHOICE_MODE_NONE)) {
Patrick Dubroy9f7aec82010-09-06 11:03:37 -0700279 Checkable c = (Checkable) v;
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700280 if (isChoiceMode(CHOICE_MODE_SINGLE)) {
Patrick Dubroy9f7aec82010-09-06 11:03:37 -0700281 // Uncheck all the other grandchildren, and toggle the clicked one
282 boolean wasChecked = c.isChecked();
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700283 resetCheckedGrandchildren();
Patrick Dubroy9f7aec82010-09-06 11:03:37 -0700284 c.setChecked(!wasChecked);
285 } else {
286 c.toggle();
287 }
288 if (getCheckedGrandchildren().size() == 0) {
289 endChoiceMode();
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700290 }
291
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700292 return;
293 }
294 }
295
296 // otherwise continue and launch the application
Winson Chung321e9ee2010-08-09 13:37:56 -0700297 int childIndex = getChildIndexForGrandChild(v);
Winson Chung86f77532010-08-24 11:08:22 -0700298 if (childIndex == getCurrentPage()) {
Winson Chung321e9ee2010-08-09 13:37:56 -0700299 final ApplicationInfo app = (ApplicationInfo) v.getTag();
300
Winson Chung80baf5a2010-08-09 16:03:15 -0700301 // animate some feedback to the click
302 animateClickFeedback(v, new Runnable() {
Winson Chung321e9ee2010-08-09 13:37:56 -0700303 @Override
Winson Chung80baf5a2010-08-09 16:03:15 -0700304 public void run() {
Winson Chung321e9ee2010-08-09 13:37:56 -0700305 mLauncher.startActivitySafely(app.intent, app);
306 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700307 });
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700308
309 endChoiceMode();
Winson Chung321e9ee2010-08-09 13:37:56 -0700310 }
311 }
312
Patrick Dubroycd953712011-02-28 15:16:42 -0800313 private void setupDragMode(ApplicationInfo info) {
Michael Jurkaaf91de02010-11-23 16:23:58 -0800314 mLauncher.getWorkspace().shrink(Workspace.ShrinkState.BOTTOM_VISIBLE);
Patrick Dubroycd953712011-02-28 15:16:42 -0800315
316 // Only show the uninstall button if the app is uninstallable.
317 if ((info.flags & ApplicationInfo.DOWNLOADED_FLAG) != 0) {
318 DeleteZone allAppsDeleteZone = (DeleteZone)
319 mLauncher.findViewById(R.id.all_apps_delete_zone);
320 allAppsDeleteZone.setDragAndDropEnabled(true);
321
322 if ((info.flags & ApplicationInfo.UPDATED_SYSTEM_APP_FLAG) != 0) {
323 allAppsDeleteZone.setText(R.string.delete_zone_label_all_apps_system_app);
324 } else {
325 allAppsDeleteZone.setText(R.string.delete_zone_label_all_apps);
326 }
327 }
Michael Jurkab8e14472010-12-20 16:06:10 -0800328
Adam Cohencdc30d52010-12-01 15:09:47 -0800329 ApplicationInfoDropTarget allAppsInfoButton =
330 (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target);
331 allAppsInfoButton.setDragAndDropEnabled(true);
Adam Cohencdc30d52010-12-01 15:09:47 -0800332 }
333
334 private void tearDownDragMode() {
335 post(new Runnable() {
336 // Once the drag operation has fully completed, hence the post, we want to disable the
337 // deleteZone and the appInfoButton in all apps, and re-enable the instance which
338 // live in the workspace
339 public void run() {
Michael Jurkab8e14472010-12-20 16:06:10 -0800340 DeleteZone allAppsDeleteZone =
341 (DeleteZone) mLauncher.findViewById(R.id.all_apps_delete_zone);
Michael Jurkac31820d2011-01-16 16:57:05 -0800342 // if onDestroy was called on Launcher, we might have already deleted the
343 // all apps delete zone / info button, so check if they are null
344 if (allAppsDeleteZone != null) allAppsDeleteZone.setDragAndDropEnabled(false);
Michael Jurkab8e14472010-12-20 16:06:10 -0800345
Adam Cohencdc30d52010-12-01 15:09:47 -0800346 ApplicationInfoDropTarget allAppsInfoButton =
347 (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target);
Michael Jurkac31820d2011-01-16 16:57:05 -0800348 if (allAppsInfoButton != null) allAppsInfoButton.setDragAndDropEnabled(false);
Adam Cohencdc30d52010-12-01 15:09:47 -0800349 }
350 });
351 resetCheckedGrandchildren();
352 mDragController.removeDropTarget(this);
353 }
354
Winson Chung321e9ee2010-08-09 13:37:56 -0700355 @Override
Michael Jurka72b079e2010-12-10 01:03:53 -0800356 protected boolean beginDragging(View v) {
Winson Chung304dcde2011-01-07 11:17:23 -0800357 if (!v.isInTouchMode()) return false;
358 if (!super.beginDragging(v)) return false;
Winson Chung321e9ee2010-08-09 13:37:56 -0700359
360 ApplicationInfo app = (ApplicationInfo) v.getTag();
361 app = new ApplicationInfo(app);
362
Patrick Dubroycd953712011-02-28 15:16:42 -0800363 // Start drag mode after the item is selected
364 setupDragMode(app);
365
Michael Jurkad3ef3062010-11-23 16:23:58 -0800366 // get icon (top compound drawable, index is 1)
Winson Chungcd4bc492010-12-09 18:52:32 -0800367 final TextView tv = (TextView) v;
368 final Drawable icon = tv.getCompoundDrawables()[1];
369 Bitmap b = Bitmap.createBitmap(v.getWidth(), v.getHeight(),
Michael Jurkad3ef3062010-11-23 16:23:58 -0800370 Bitmap.Config.ARGB_8888);
371 Canvas c = new Canvas(b);
Winson Chungcd4bc492010-12-09 18:52:32 -0800372 c.translate((v.getWidth() - icon.getIntrinsicWidth()) / 2, v.getPaddingTop());
Michael Jurkad3ef3062010-11-23 16:23:58 -0800373 icon.draw(c);
Winson Chungcd4bc492010-12-09 18:52:32 -0800374
Adam Cohene3e27a82011-04-15 12:07:39 -0700375 Rect dragRect = null;
376 if (v instanceof TextView) {
377 int iconSize = getResources().getDimensionPixelSize(R.dimen.app_icon_size);
378 int top = v.getPaddingTop();
379 int left = (b.getWidth() - iconSize) / 2;
380 int right = left + iconSize;
381 int bottom = top + iconSize;
382 dragRect = new Rect(left, top, right, bottom);
383 }
384
Winson Chungcd4bc492010-12-09 18:52:32 -0800385 // We toggle the checked state _after_ we create the view for the drag in case toggling the
386 // checked state changes the view's look
387 if (v instanceof Checkable) {
388 // In preparation for drag, we always reset the checked grand children regardless of
389 // what choice mode we are in
390 resetCheckedGrandchildren();
391
392 // Toggle the selection on the dragged app
393 Checkable checkable = (Checkable) v;
Winson Chung59e1f9a2010-12-21 11:31:54 -0800394
395 // Note: we toggle the checkable state to actually cause an alpha fade for the duration
396 // of the drag of the item. (The fade-in will occur when all checked states are
397 // disabled when dragging ends)
Winson Chungcd4bc492010-12-09 18:52:32 -0800398 checkable.toggle();
399 }
400
401 // Start the drag
Winson Chung400438b2011-01-16 17:53:48 -0800402 mLauncher.lockScreenOrientation();
Michael Jurkad3ef3062010-11-23 16:23:58 -0800403 mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1, b);
Adam Cohene3e27a82011-04-15 12:07:39 -0700404 mDragController.startDrag(v, b, this, app, DragController.DRAG_ACTION_COPY, dragRect);
Winson Chungcd4bc492010-12-09 18:52:32 -0800405 b.recycle();
Winson Chung321e9ee2010-08-09 13:37:56 -0700406 return true;
407 }
408
409 @Override
Patrick Dubroya669d792010-11-23 14:40:33 -0800410 public void onDragViewVisible() {
411 }
412
413 @Override
Adam Cohenc0dcf592011-06-01 15:30:43 -0700414 public void onDropCompleted(View target, DragObject d, boolean success) {
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700415 // close the choice action mode if we have a proper drop
416 if (target != this) {
417 endChoiceMode();
418 }
Adam Cohencdc30d52010-12-01 15:09:47 -0800419 tearDownDragMode();
Patrick Dubroy7bccb422011-01-20 14:50:55 -0800420 mLauncher.getWorkspace().onDragStopped(success);
Winson Chung400438b2011-01-16 17:53:48 -0800421 mLauncher.unlockScreenOrientation();
Winson Chung20f71112011-04-06 14:22:04 -0700422
423 if (!success && !mHasMadeSuccessfulDrop) {
424 mLauncher.getWorkspace().shrink(Workspace.ShrinkState.BOTTOM_HIDDEN);
425 } else {
426 mHasMadeSuccessfulDrop |= success;
427 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700428 }
429
Michael Jurka7ef959b2011-02-23 11:48:32 -0800430 int getPageContentWidth() {
431 return mPageContentWidth;
432 }
433
Winson Chung321e9ee2010-08-09 13:37:56 -0700434 @Override
435 public boolean isVisible() {
436 return mZoom > 0.001f;
437 }
438
439 @Override
440 public boolean isAnimating() {
441 return (getAnimation() != null);
442 }
443
444 private ArrayList<ApplicationInfo> rebuildFilteredApps(ArrayList<ApplicationInfo> apps) {
445 ArrayList<ApplicationInfo> filteredApps = new ArrayList<ApplicationInfo>();
446 if (mAppFilter == ALL_APPS_FLAG) {
447 return apps;
448 } else {
449 final int length = apps.size();
450 for (int i = 0; i < length; ++i) {
451 ApplicationInfo info = apps.get(i);
452 if ((info.flags & mAppFilter) > 0) {
453 filteredApps.add(info);
454 }
455 }
Winson Chung78403fe2011-01-21 15:38:02 -0800456 Collections.sort(filteredApps, LauncherModel.APP_INSTALL_TIME_COMPARATOR);
Winson Chung321e9ee2010-08-09 13:37:56 -0700457 }
458 return filteredApps;
459 }
460
461 @Override
462 public void setApps(ArrayList<ApplicationInfo> list) {
463 mApps = list;
Winson Chung80baf5a2010-08-09 16:03:15 -0700464 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR);
Winson Chung321e9ee2010-08-09 13:37:56 -0700465 mFilteredApps = rebuildFilteredApps(mApps);
Winson Chung04998342011-01-05 13:54:43 -0800466 mPageViewIconCache.retainAllApps(list);
Winson Chung321e9ee2010-08-09 13:37:56 -0700467 invalidatePageData();
468 }
469
Winson Chung80baf5a2010-08-09 16:03:15 -0700470 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) {
471 // we add it in place, in alphabetical order
472 final int count = list.size();
473 for (int i = 0; i < count; ++i) {
474 final ApplicationInfo info = list.get(i);
475 final int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR);
476 if (index < 0) {
477 mApps.add(-(index + 1), info);
Winson Chung452821f2011-01-14 16:39:47 -0800478 } else {
479 mApps.add(index, info);
Winson Chung80baf5a2010-08-09 16:03:15 -0700480 }
481 }
482 mFilteredApps = rebuildFilteredApps(mApps);
483 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700484 @Override
485 public void addApps(ArrayList<ApplicationInfo> list) {
Winson Chung80baf5a2010-08-09 16:03:15 -0700486 addAppsWithoutInvalidate(list);
Winson Chung321e9ee2010-08-09 13:37:56 -0700487 invalidatePageData();
488 }
489
Winson Chung80baf5a2010-08-09 16:03:15 -0700490 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) {
Winson Chung10fefb12010-11-01 11:57:06 -0700491 // End the choice mode if any of the items in the list that are being removed are
492 // currently selected
493 ArrayList<Checkable> checkedList = getCheckedGrandchildren();
494 HashSet<ApplicationInfo> checkedAppInfos = new HashSet<ApplicationInfo>();
495 for (Checkable checked : checkedList) {
496 PagedViewIcon icon = (PagedViewIcon) checked;
497 checkedAppInfos.add((ApplicationInfo) icon.getTag());
498 }
499 for (ApplicationInfo info : list) {
500 if (checkedAppInfos.contains(info)) {
501 endChoiceMode();
502 break;
503 }
504 }
505
506 // Loop through all the apps and remove apps that have the same component
Winson Chung321e9ee2010-08-09 13:37:56 -0700507 final int length = list.size();
508 for (int i = 0; i < length; ++i) {
Winson Chung241c3b42010-08-25 16:53:03 -0700509 final ApplicationInfo info = list.get(i);
510 int removeIndex = findAppByComponent(mApps, info);
Winson Chung321e9ee2010-08-09 13:37:56 -0700511 if (removeIndex > -1) {
512 mApps.remove(removeIndex);
Winson Chung04998342011-01-05 13:54:43 -0800513 mPageViewIconCache.removeOutline(new PagedViewIconCache.Key(info));
Winson Chung321e9ee2010-08-09 13:37:56 -0700514 }
515 }
Winson Chung80baf5a2010-08-09 16:03:15 -0700516 mFilteredApps = rebuildFilteredApps(mApps);
517 }
Michael Jurkaabded662011-03-04 12:06:57 -0800518
Winson Chung80baf5a2010-08-09 16:03:15 -0700519 @Override
520 public void removeApps(ArrayList<ApplicationInfo> list) {
521 removeAppsWithoutInvalidate(list);
Winson Chung321e9ee2010-08-09 13:37:56 -0700522 invalidatePageData();
523 }
524
525 @Override
526 public void updateApps(ArrayList<ApplicationInfo> list) {
Winson Chung80baf5a2010-08-09 16:03:15 -0700527 removeAppsWithoutInvalidate(list);
528 addAppsWithoutInvalidate(list);
529 invalidatePageData();
Winson Chung321e9ee2010-08-09 13:37:56 -0700530 }
531
532 private int findAppByComponent(ArrayList<ApplicationInfo> list, ApplicationInfo item) {
Winson Chung8b534782011-02-23 13:43:59 -0800533 if (item != null && item.intent != null) {
534 ComponentName removeComponent = item.intent.getComponent();
535 final int length = list.size();
536 for (int i = 0; i < length; ++i) {
537 ApplicationInfo info = list.get(i);
538 if (info.intent.getComponent().equals(removeComponent)) {
539 return i;
540 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700541 }
542 }
543 return -1;
544 }
545
546 @Override
547 public void dumpState() {
548 ApplicationInfo.dumpApplicationInfoList(TAG, "mApps", mApps);
549 }
550
551 @Override
552 public void surrender() {
553 // do nothing?
554 }
555
Winson Chung337cd9d2011-03-30 10:39:30 -0700556 public void reset() {
557 setCurrentPage(0);
558 invalidatePageData();
559 }
560
Michael Jurka7ef959b2011-02-23 11:48:32 -0800561 private void setupPage(PagedViewCellLayout layout) {
562 layout.setCellCount(mCellCountX, mCellCountY);
563 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, mPageLayoutPaddingRight,
564 mPageLayoutPaddingBottom);
565 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap);
566 }
567
Winson Chung321e9ee2010-08-09 13:37:56 -0700568 @Override
Michael Jurka87b14902011-05-25 22:13:09 -0700569 protected void invalidatePageData() {
570 if (mWaitingToInitPages || mCellCountX <= 0 || mCellCountY <= 0) {
Michael Jurka4c6016f2011-05-17 18:21:03 -0700571 // We don't know our size yet, which means we haven't calculated cell count x/y;
572 // onMeasure will call us once we figure out our size
573 return;
574 }
Michael Jurka87b14902011-05-25 22:13:09 -0700575 super.invalidatePageData();
576 }
577
578 @Override
579 public void syncPages() {
Winson Chung96785572010-10-14 13:37:13 -0700580 // ensure that we have the right number of pages (min of 1, since we have placeholders)
581 int numPages = Math.max(1,
582 (int) Math.ceil((float) mFilteredApps.size() / (mCellCountX * mCellCountY)));
Winson Chung321e9ee2010-08-09 13:37:56 -0700583 int curNumPages = getChildCount();
584 // remove any extra pages after the "last" page
585 int extraPageDiff = curNumPages - numPages;
586 for (int i = 0; i < extraPageDiff; ++i) {
587 removeViewAt(numPages);
588 }
589 // add any necessary pages
590 for (int i = curNumPages; i < numPages; ++i) {
591 PagedViewCellLayout layout = new PagedViewCellLayout(getContext());
Michael Jurkaabded662011-03-04 12:06:57 -0800592 if (mAllowHardwareLayerCreation) {
593 layout.allowHardwareLayerCreation();
594 }
Michael Jurka7ef959b2011-02-23 11:48:32 -0800595 setupPage(layout);
Winson Chung321e9ee2010-08-09 13:37:56 -0700596 addView(layout);
597 }
598
599 // bound the current page
Winson Chung86f77532010-08-24 11:08:22 -0700600 setCurrentPage(Math.max(0, Math.min(numPages - 1, getCurrentPage())));
Winson Chung321e9ee2010-08-09 13:37:56 -0700601 }
602
603 @Override
604 public void syncPageItems(int page) {
Winson Chung96785572010-10-14 13:37:13 -0700605 // Ensure that we have the right number of items on the pages
Winson Chung63257c12011-05-05 17:06:13 -0700606 final int numPages = getPageCount();
Winson Chung80baf5a2010-08-09 16:03:15 -0700607 final int cellsPerPage = mCellCountX * mCellCountY;
608 final int startIndex = page * cellsPerPage;
609 final int endIndex = Math.min(startIndex + cellsPerPage, mFilteredApps.size());
Winson Chung321e9ee2010-08-09 13:37:56 -0700610 PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page);
Winson Chung80baf5a2010-08-09 16:03:15 -0700611
Winson Chung96785572010-10-14 13:37:13 -0700612 if (!mFilteredApps.isEmpty()) {
Michael Jurka8245a862011-02-01 17:53:59 -0800613 int curNumPageItems = layout.getPageChildCount();
Winson Chung96785572010-10-14 13:37:13 -0700614 int numPageItems = endIndex - startIndex;
Winson Chung6a70e9f2011-05-17 16:24:49 -0700615 boolean createHolographicOutlines = (numPages > 1);
Winson Chung80baf5a2010-08-09 16:03:15 -0700616
Winson Chung96785572010-10-14 13:37:13 -0700617 // If we were previously an empty page, then restart anew
618 boolean wasEmptyPage = false;
619 if (curNumPageItems == 1) {
Michael Jurka8245a862011-02-01 17:53:59 -0800620 View icon = layout.getChildOnPageAt(0);
Winson Chung96785572010-10-14 13:37:13 -0700621 if (icon.getTag() == null) {
622 wasEmptyPage = true;
623 }
624 }
Winson Chung80baf5a2010-08-09 16:03:15 -0700625
Winson Chung96785572010-10-14 13:37:13 -0700626 if (wasEmptyPage) {
627 // Remove all the previous items
628 curNumPageItems = 0;
Michael Jurka8245a862011-02-01 17:53:59 -0800629 layout.removeAllViewsOnPage();
Winson Chung96785572010-10-14 13:37:13 -0700630 } else {
631 // Remove any extra items
632 int extraPageItemsDiff = curNumPageItems - numPageItems;
633 for (int i = 0; i < extraPageItemsDiff; ++i) {
Michael Jurka8245a862011-02-01 17:53:59 -0800634 layout.removeViewOnPageAt(numPageItems);
Winson Chung96785572010-10-14 13:37:13 -0700635 }
636 }
Winson Chung80baf5a2010-08-09 16:03:15 -0700637
Winson Chung96785572010-10-14 13:37:13 -0700638 // Add any necessary items
639 for (int i = curNumPageItems; i < numPageItems; ++i) {
640 TextView text = (TextView) mInflater.inflate(
641 R.layout.all_apps_paged_view_application, layout, false);
642 text.setOnClickListener(this);
643 text.setOnLongClickListener(this);
Michael Jurka72b079e2010-12-10 01:03:53 -0800644 text.setOnTouchListener(this);
Winson Chung321e9ee2010-08-09 13:37:56 -0700645
Winson Chung96785572010-10-14 13:37:13 -0700646 layout.addViewToCellLayout(text, -1, i,
Winson Chung6a70e9f2011-05-17 16:24:49 -0700647 new PagedViewCellLayout.LayoutParams(0, 0, 1, 1));
Winson Chung96785572010-10-14 13:37:13 -0700648 }
649
650 // Actually reapply to the existing text views
651 for (int i = startIndex; i < endIndex; ++i) {
652 final int index = i - startIndex;
653 final ApplicationInfo info = mFilteredApps.get(i);
Michael Jurka8245a862011-02-01 17:53:59 -0800654 PagedViewIcon icon = (PagedViewIcon) layout.getChildOnPageAt(index);
Michael Jurkab9b8ce92011-05-05 15:05:07 -0700655 icon.applyFromApplicationInfo(
Winson Chung63257c12011-05-05 17:06:13 -0700656 info, mPageViewIconCache, true, createHolographicOutlines);
Winson Chung96785572010-10-14 13:37:13 -0700657
658 PagedViewCellLayout.LayoutParams params =
659 (PagedViewCellLayout.LayoutParams) icon.getLayoutParams();
660 params.cellX = index % mCellCountX;
661 params.cellY = index / mCellCountX;
662 }
663
Winson Chung6a70e9f2011-05-17 16:24:49 -0700664 // We should try and sync all the holographic icons after adding/removing new items
665 layout.reloadHolographicIcons(createHolographicOutlines);
666
Winson Chung96785572010-10-14 13:37:13 -0700667 // Default to left-aligned icons
668 layout.enableCenteredContent(false);
669 } else {
670 // There are no items, so show the user a small message
671 TextView icon = (TextView) mInflater.inflate(
672 R.layout.all_apps_no_items_placeholder, layout, false);
673 switch (mAppFilter) {
Winson Chung96785572010-10-14 13:37:13 -0700674 case ApplicationInfo.DOWNLOADED_FLAG:
675 icon.setText(mContext.getString(R.string.all_apps_no_downloads));
676 break;
677 default: break;
678 }
679
680 // Center-align the message
Winson Chungdd259022011-05-10 15:59:42 -0700681 final boolean createHolographicOutlines = (numPages > 1);
Winson Chung96785572010-10-14 13:37:13 -0700682 layout.enableCenteredContent(true);
Michael Jurka8245a862011-02-01 17:53:59 -0800683 layout.removeAllViewsOnPage();
Winson Chung96785572010-10-14 13:37:13 -0700684 layout.addViewToCellLayout(icon, -1, 0,
Winson Chung6a70e9f2011-05-17 16:24:49 -0700685 new PagedViewCellLayout.LayoutParams(0, 0, 4, 1));
Winson Chung321e9ee2010-08-09 13:37:56 -0700686 }
Michael Jurkac5e49022011-02-16 12:04:02 -0800687 layout.createHardwareLayers();
Winson Chung321e9ee2010-08-09 13:37:56 -0700688 }
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700689
690 /*
691 * We don't actually use AllAppsPagedView as a drop target... it's only used to intercept a drop
692 * to the workspace.
693 */
Adam Cohencb3382b2011-05-24 14:07:08 -0700694 public boolean acceptDrop(DragObject d) {
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700695 return false;
696 }
Adam Cohencb3382b2011-05-24 14:07:08 -0700697 public DropTarget getDropTargetDelegate(DragObject d) {
Winson Chung5f2aa4e2010-08-20 14:49:25 -0700698 return null;
699 }
Adam Cohencb3382b2011-05-24 14:07:08 -0700700 public void onDragEnter(DragObject d) {}
701 public void onDragExit(DragObject d) {}
702 public void onDragOver(DragObject d) {}
703 public void onDrop(DragObject d) {}
Michael Jurka0280c3b2010-09-17 15:00:07 -0700704
705 public boolean isDropEnabled() {
706 return true;
707 }
Winson Chung321e9ee2010-08-09 13:37:56 -0700708}