AppsCustomizePagedView.java revision c9d95c5897fc5ebbf53903d4ab18ad13d196f643
1/* 2 * Copyright (C) 2011 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 19import android.animation.AnimatorSet; 20import android.animation.ObjectAnimator; 21import android.animation.ValueAnimator; 22import android.appwidget.AppWidgetManager; 23import android.appwidget.AppWidgetProviderInfo; 24import android.content.ComponentName; 25import android.content.Context; 26import android.content.Intent; 27import android.content.pm.ActivityInfo; 28import android.content.pm.PackageManager; 29import android.content.pm.ResolveInfo; 30import android.content.res.Configuration; 31import android.content.res.Resources; 32import android.content.res.TypedArray; 33import android.graphics.Bitmap; 34import android.graphics.Bitmap.Config; 35import android.graphics.Canvas; 36import android.graphics.PorterDuff; 37import android.graphics.Rect; 38import android.graphics.drawable.Drawable; 39import android.os.AsyncTask; 40import android.os.Process; 41import android.util.AttributeSet; 42import android.util.Log; 43import android.view.Gravity; 44import android.view.LayoutInflater; 45import android.view.MotionEvent; 46import android.view.View; 47import android.view.ViewGroup; 48import android.view.animation.AccelerateInterpolator; 49import android.widget.GridLayout; 50import android.widget.ImageView; 51import android.widget.Toast; 52 53import com.android.launcher.R; 54import com.android.launcher2.DropTarget.DragObject; 55 56import java.util.ArrayList; 57import java.util.Collections; 58import java.util.Iterator; 59import java.util.List; 60 61/** 62 * A simple callback interface which also provides the results of the task. 63 */ 64interface AsyncTaskCallback { 65 void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data); 66} 67 68/** 69 * The data needed to perform either of the custom AsyncTasks. 70 */ 71class AsyncTaskPageData { 72 enum Type { 73 LoadWidgetPreviewData, 74 LoadHolographicIconsData 75 } 76 77 AsyncTaskPageData(int p, ArrayList<Object> l, ArrayList<Bitmap> si, AsyncTaskCallback bgR, 78 AsyncTaskCallback postR) { 79 page = p; 80 items = l; 81 sourceImages = si; 82 generatedImages = new ArrayList<Bitmap>(); 83 cellWidth = cellHeight = -1; 84 doInBackgroundCallback = bgR; 85 postExecuteCallback = postR; 86 } 87 AsyncTaskPageData(int p, ArrayList<Object> l, int cw, int ch, int ccx, AsyncTaskCallback bgR, 88 AsyncTaskCallback postR) { 89 page = p; 90 items = l; 91 generatedImages = new ArrayList<Bitmap>(); 92 cellWidth = cw; 93 cellHeight = ch; 94 cellCountX = ccx; 95 doInBackgroundCallback = bgR; 96 postExecuteCallback = postR; 97 } 98 int page; 99 ArrayList<Object> items; 100 ArrayList<Bitmap> sourceImages; 101 ArrayList<Bitmap> generatedImages; 102 int cellWidth; 103 int cellHeight; 104 int cellCountX; 105 AsyncTaskCallback doInBackgroundCallback; 106 AsyncTaskCallback postExecuteCallback; 107} 108 109/** 110 * A generic template for an async task used in AppsCustomize. 111 */ 112class AppsCustomizeAsyncTask extends AsyncTask<AsyncTaskPageData, Void, AsyncTaskPageData> { 113 AppsCustomizeAsyncTask(int p, AppsCustomizePagedView.ContentType t, AsyncTaskPageData.Type ty) { 114 page = p; 115 pageContentType = t; 116 threadPriority = Process.THREAD_PRIORITY_DEFAULT; 117 dataType = ty; 118 } 119 @Override 120 protected AsyncTaskPageData doInBackground(AsyncTaskPageData... params) { 121 if (params.length != 1) return null; 122 // Load each of the widget previews in the background 123 params[0].doInBackgroundCallback.run(this, params[0]); 124 return params[0]; 125 } 126 @Override 127 protected void onPostExecute(AsyncTaskPageData result) { 128 // All the widget previews are loaded, so we can just callback to inflate the page 129 result.postExecuteCallback.run(this, result); 130 } 131 132 void setThreadPriority(int p) { 133 threadPriority = p; 134 } 135 void syncThreadPriority() { 136 Process.setThreadPriority(threadPriority); 137 } 138 139 // The page that this async task is associated with 140 AsyncTaskPageData.Type dataType; 141 int page; 142 AppsCustomizePagedView.ContentType pageContentType; 143 int threadPriority; 144} 145 146/** 147 * The Apps/Customize page that displays all the applications, widgets, and shortcuts. 148 */ 149public class AppsCustomizePagedView extends PagedViewWithDraggableItems implements 150 AllAppsView, View.OnClickListener, DragSource { 151 static final String LOG_TAG = "AppsCustomizePagedView"; 152 153 /** 154 * The different content types that this paged view can show. 155 */ 156 public enum ContentType { 157 Applications, 158 Widgets 159 } 160 161 // Refs 162 private Launcher mLauncher; 163 private DragController mDragController; 164 private final LayoutInflater mLayoutInflater; 165 private final PackageManager mPackageManager; 166 167 // Save and Restore 168 private int mSaveInstanceStateItemIndex = -1; 169 private int mRestorePage = -1; 170 171 // Content 172 private ContentType mContentType; 173 private ArrayList<ApplicationInfo> mApps; 174 private ArrayList<Object> mWidgets; 175 176 // Caching 177 private Canvas mCanvas; 178 private Drawable mDefaultWidgetBackground; 179 private IconCache mIconCache; 180 private int mDragViewMultiplyColor; 181 182 // Dimens 183 private int mContentWidth; 184 private int mAppIconSize; 185 private int mMaxWidgetSpan, mMinWidgetSpan; 186 private int mWidgetCountX, mWidgetCountY; 187 private int mWidgetWidthGap, mWidgetHeightGap; 188 private final int mWidgetPreviewIconPaddedDimension; 189 private final float sWidgetPreviewIconPaddingPercentage = 0.25f; 190 private PagedViewCellLayout mWidgetSpacingLayout; 191 192 // Previews & outlines 193 ArrayList<AppsCustomizeAsyncTask> mRunningTasks; 194 private HolographicOutlineHelper mHolographicOutlineHelper; 195 private static final int sPageSleepDelay = 200; 196 197 public AppsCustomizePagedView(Context context, AttributeSet attrs) { 198 super(context, attrs); 199 mLayoutInflater = LayoutInflater.from(context); 200 mPackageManager = context.getPackageManager(); 201 mContentType = ContentType.Applications; 202 mApps = new ArrayList<ApplicationInfo>(); 203 mWidgets = new ArrayList<Object>(); 204 mIconCache = ((LauncherApplication) context.getApplicationContext()).getIconCache(); 205 mHolographicOutlineHelper = new HolographicOutlineHelper(); 206 mCanvas = new Canvas(); 207 mRunningTasks = new ArrayList<AppsCustomizeAsyncTask>(); 208 209 // Save the default widget preview background 210 Resources resources = context.getResources(); 211 mDefaultWidgetBackground = resources.getDrawable(R.drawable.default_widget_preview_holo); 212 mAppIconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size); 213 mDragViewMultiplyColor = resources.getColor(R.color.drag_view_multiply_color); 214 215 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, 0, 0); 216 // TODO-APPS_CUSTOMIZE: remove these unnecessary attrs after 217 mCellCountX = a.getInt(R.styleable.PagedView_cellCountX, 6); 218 mCellCountY = a.getInt(R.styleable.PagedView_cellCountY, 4); 219 a.recycle(); 220 a = context.obtainStyledAttributes(attrs, R.styleable.AppsCustomizePagedView, 0, 0); 221 mWidgetWidthGap = 222 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellWidthGap, 0); 223 mWidgetHeightGap = 224 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellHeightGap, 0); 225 mWidgetCountX = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountX, 2); 226 mWidgetCountY = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountY, 2); 227 a.recycle(); 228 mWidgetSpacingLayout = new PagedViewCellLayout(getContext()); 229 230 // The max widget span is the length N, such that NxN is the largest bounds that the widget 231 // preview can be before applying the widget scaling 232 mMinWidgetSpan = 1; 233 mMaxWidgetSpan = 3; 234 235 // The padding on the non-matched dimension for the default widget preview icons 236 // (top + bottom) 237 mWidgetPreviewIconPaddedDimension = 238 (int) (mAppIconSize * (1 + (2 * sWidgetPreviewIconPaddingPercentage))); 239 mFadeInAdjacentScreens = LauncherApplication.isScreenLarge(); 240 } 241 242 @Override 243 protected void init() { 244 super.init(); 245 mCenterPagesVertically = false; 246 247 Context context = getContext(); 248 Resources r = context.getResources(); 249 setDragSlopeThreshold(r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold)/100f); 250 } 251 252 @Override 253 protected void onUnhandledTap(MotionEvent ev) { 254 if (LauncherApplication.isScreenLarge()) { 255 // Dismiss AppsCustomize if we tap 256 mLauncher.showWorkspace(true); 257 } 258 } 259 260 /** Returns the item index of the center item on this page so that we can restore to this 261 * item index when we rotate. */ 262 private int getMiddleComponentIndexOnCurrentPage() { 263 int i = -1; 264 if (getPageCount() > 0) { 265 int currentPage = getCurrentPage(); 266 switch (mContentType) { 267 case Applications: { 268 PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(currentPage); 269 PagedViewCellLayoutChildren childrenLayout = layout.getChildrenLayout(); 270 int numItemsPerPage = mCellCountX * mCellCountY; 271 int childCount = childrenLayout.getChildCount(); 272 if (childCount > 0) { 273 i = (currentPage * numItemsPerPage) + (childCount / 2); 274 }} 275 break; 276 case Widgets: { 277 PagedViewGridLayout layout = (PagedViewGridLayout) getChildAt(currentPage); 278 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 279 int childCount = layout.getChildCount(); 280 if (childCount > 0) { 281 i = (currentPage * numItemsPerPage) + (childCount / 2); 282 }} 283 break; 284 } 285 } 286 return i; 287 } 288 289 /** Get the index of the item to restore to if we need to restore the current page. */ 290 int getSaveInstanceStateIndex() { 291 if (mSaveInstanceStateItemIndex == -1) { 292 mSaveInstanceStateItemIndex = getMiddleComponentIndexOnCurrentPage(); 293 } 294 return mSaveInstanceStateItemIndex; 295 } 296 297 /** Returns the page in the current orientation which is expected to contain the specified 298 * item index. */ 299 int getPageForComponent(int index) { 300 switch (mContentType) { 301 case Applications: { 302 int numItemsPerPage = mCellCountX * mCellCountY; 303 return (index / numItemsPerPage); 304 } 305 case Widgets: { 306 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 307 return (index / numItemsPerPage); 308 }} 309 return -1; 310 } 311 312 /** 313 * This differs from isDataReady as this is the test done if isDataReady is not set. 314 */ 315 private boolean testDataReady() { 316 // We only do this test once, and we default to the Applications page, so we only really 317 // have to wait for there to be apps. 318 if (mContentType == AppsCustomizePagedView.ContentType.Widgets) { 319 return !mApps.isEmpty() && !mWidgets.isEmpty(); 320 } else { 321 return !mApps.isEmpty(); 322 } 323 } 324 325 /** Restores the page for an item at the specified index */ 326 void restorePageForIndex(int index) { 327 if (index < 0) return; 328 329 int page = getPageForComponent(index); 330 if (page > -1) { 331 if (getChildCount() > 0) { 332 invalidatePageData(page); 333 } else { 334 mRestorePage = page; 335 } 336 } 337 } 338 339 protected void onDataReady(int width, int height) { 340 // Note that we transpose the counts in portrait so that we get a similar layout 341 boolean isLandscape = getResources().getConfiguration().orientation == 342 Configuration.ORIENTATION_LANDSCAPE; 343 int maxCellCountX = Integer.MAX_VALUE; 344 int maxCellCountY = Integer.MAX_VALUE; 345 if (LauncherApplication.isScreenLarge()) { 346 maxCellCountX = (isLandscape ? LauncherModel.getCellCountX() : 347 LauncherModel.getCellCountY()); 348 maxCellCountY = (isLandscape ? LauncherModel.getCellCountY() : 349 LauncherModel.getCellCountX()); 350 } 351 352 // Now that the data is ready, we can calculate the content width, the number of cells to 353 // use for each page 354 mWidgetSpacingLayout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 355 mWidgetSpacingLayout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 356 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 357 mWidgetSpacingLayout.calculateCellCount(width, height, maxCellCountX, maxCellCountY); 358 mCellCountX = mWidgetSpacingLayout.getCellCountX(); 359 mCellCountY = mWidgetSpacingLayout.getCellCountY(); 360 361 // Force a measure to update recalculate the gaps 362 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 363 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 364 mWidgetSpacingLayout.measure(widthSpec, heightSpec); 365 mContentWidth = mWidgetSpacingLayout.getContentWidth(); 366 invalidatePageData(Math.max(0, mRestorePage)); 367 mRestorePage = -1; 368 } 369 370 @Override 371 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 372 int width = MeasureSpec.getSize(widthMeasureSpec); 373 int height = MeasureSpec.getSize(heightMeasureSpec); 374 if (!isDataReady()) { 375 if (testDataReady()) { 376 setDataIsReady(); 377 setMeasuredDimension(width, height); 378 onDataReady(width, height); 379 } 380 } 381 382 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 383 } 384 385 /** Removes and returns the ResolveInfo with the specified ComponentName */ 386 private ResolveInfo removeResolveInfoWithComponentName(List<ResolveInfo> list, 387 ComponentName cn) { 388 Iterator<ResolveInfo> iter = list.iterator(); 389 while (iter.hasNext()) { 390 ResolveInfo rinfo = iter.next(); 391 ActivityInfo info = rinfo.activityInfo; 392 ComponentName c = new ComponentName(info.packageName, info.name); 393 if (c.equals(cn)) { 394 iter.remove(); 395 return rinfo; 396 } 397 } 398 return null; 399 } 400 401 public void onPackagesUpdated() { 402 // TODO: this isn't ideal, but we actually need to delay here. This call is triggered 403 // by a broadcast receiver, and in order for it to work correctly, we need to know that 404 // the AppWidgetService has already received and processed the same broadcast. Since there 405 // is no guarantee about ordering of broadcast receipt, we just delay here. Ideally, 406 // we should have a more precise way of ensuring the AppWidgetService is up to date. 407 postDelayed(new Runnable() { 408 public void run() { 409 updatePackages(); 410 } 411 }, 500); 412 } 413 414 public void updatePackages() { 415 // Get the list of widgets and shortcuts 416 boolean wasEmpty = mWidgets.isEmpty(); 417 mWidgets.clear(); 418 List<AppWidgetProviderInfo> widgets = 419 AppWidgetManager.getInstance(mLauncher).getInstalledProviders(); 420 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 421 List<ResolveInfo> shortcuts = mPackageManager.queryIntentActivities(shortcutsIntent, 0); 422 mWidgets.addAll(widgets); 423 mWidgets.addAll(shortcuts); 424 Collections.sort(mWidgets, 425 new LauncherModel.WidgetAndShortcutNameComparator(mPackageManager)); 426 427 if (wasEmpty) { 428 // The next layout pass will trigger data-ready if both widgets and apps are set, so request 429 // a layout to do this test and invalidate the page data when ready. 430 if (testDataReady()) requestLayout(); 431 } else { 432 invalidatePageData(); 433 } 434 } 435 436 @Override 437 public void onClick(View v) { 438 // When we have exited all apps or are in transition, disregard clicks 439 if (!mLauncher.isAllAppsCustomizeOpen() || 440 mLauncher.getWorkspace().isSwitchingState()) return; 441 442 if (v instanceof PagedViewIcon) { 443 // Animate some feedback to the click 444 final ApplicationInfo appInfo = (ApplicationInfo) v.getTag(); 445 animateClickFeedback(v, new Runnable() { 446 @Override 447 public void run() { 448 mLauncher.startActivitySafely(appInfo.intent, appInfo); 449 } 450 }); 451 } else if (v instanceof PagedViewWidget) { 452 // Let the user know that they have to long press to add a widget 453 Toast.makeText(getContext(), R.string.long_press_widget_to_add, 454 Toast.LENGTH_SHORT).show(); 455 456 // Create a little animation to show that the widget can move 457 float offsetY = getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY); 458 final ImageView p = (ImageView) v.findViewById(R.id.widget_preview); 459 AnimatorSet bounce = new AnimatorSet(); 460 ValueAnimator tyuAnim = ObjectAnimator.ofFloat(p, "translationY", offsetY); 461 tyuAnim.setDuration(125); 462 ValueAnimator tydAnim = ObjectAnimator.ofFloat(p, "translationY", 0f); 463 tydAnim.setDuration(100); 464 bounce.play(tyuAnim).before(tydAnim); 465 bounce.setInterpolator(new AccelerateInterpolator()); 466 bounce.start(); 467 } 468 } 469 470 /* 471 * PagedViewWithDraggableItems implementation 472 */ 473 @Override 474 protected void determineDraggingStart(android.view.MotionEvent ev) { 475 // Disable dragging by pulling an app down for now. 476 } 477 478 private void beginDraggingApplication(View v) { 479 mLauncher.getWorkspace().onDragStartedWithItem(v); 480 mLauncher.getWorkspace().beginDragShared(v, this); 481 } 482 483 private void beginDraggingWidget(View v) { 484 // Get the widget preview as the drag representation 485 ImageView image = (ImageView) v.findViewById(R.id.widget_preview); 486 PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 487 488 // Compose the drag image 489 Bitmap b; 490 Drawable preview = image.getDrawable(); 491 int w = preview.getIntrinsicWidth(); 492 int h = preview.getIntrinsicHeight(); 493 if (createItemInfo instanceof PendingAddWidgetInfo) { 494 PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) createItemInfo; 495 int[] spanXY = mLauncher.getSpanForWidget(createWidgetInfo, null); 496 createItemInfo.spanX = spanXY[0]; 497 createItemInfo.spanY = spanXY[1]; 498 499 b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); 500 renderDrawableToBitmap(preview, b, 0, 0, w, h, 1, 1, mDragViewMultiplyColor); 501 } else { 502 // Workaround for the fact that we don't keep the original ResolveInfo associated with 503 // the shortcut around. To get the icon, we just render the preview image (which has 504 // the shortcut icon) to a new drag bitmap that clips the non-icon space. 505 b = Bitmap.createBitmap(mWidgetPreviewIconPaddedDimension, 506 mWidgetPreviewIconPaddedDimension, Bitmap.Config.ARGB_8888); 507 mCanvas.setBitmap(b); 508 mCanvas.save(); 509 preview.draw(mCanvas); 510 mCanvas.restore(); 511 mCanvas.drawColor(mDragViewMultiplyColor, PorterDuff.Mode.MULTIPLY); 512 mCanvas.setBitmap(null); 513 createItemInfo.spanX = createItemInfo.spanY = 1; 514 } 515 516 // Start the drag 517 mLauncher.lockScreenOrientation(); 518 mLauncher.getWorkspace().onDragStartedWithItemSpans(createItemInfo.spanX, 519 createItemInfo.spanY, b); 520 mDragController.startDrag(image, b, this, createItemInfo, 521 DragController.DRAG_ACTION_COPY, null); 522 b.recycle(); 523 } 524 @Override 525 protected boolean beginDragging(View v) { 526 if (!super.beginDragging(v)) return false; 527 528 // Go into spring loaded mode (must happen before we startDrag()) 529 int currentPageIndex = mLauncher.getWorkspace().getCurrentPage(); 530 CellLayout currentPage = (CellLayout) mLauncher.getWorkspace().getChildAt(currentPageIndex); 531 mLauncher.enterSpringLoadedDragMode(); 532 533 if (v instanceof PagedViewIcon) { 534 beginDraggingApplication(v); 535 } else if (v instanceof PagedViewWidget) { 536 beginDraggingWidget(v); 537 } 538 return true; 539 } 540 private void endDragging(View target, boolean success) { 541 mLauncher.getWorkspace().onDragStopped(success); 542 if (!success || (target != mLauncher.getWorkspace() && 543 !(target instanceof DeleteDropTarget))) { 544 // Exit spring loaded mode if we have not successfully dropped or have not handled the 545 // drop in Workspace 546 mLauncher.exitSpringLoadedDragMode(); 547 } 548 mLauncher.unlockScreenOrientation(); 549 550 } 551 552 @Override 553 public void onDropCompleted(View target, DragObject d, boolean success) { 554 endDragging(target, success); 555 556 // Display an error message if the drag failed due to there not being enough space on the 557 // target layout we were dropping on. 558 if (!success) { 559 boolean showOutOfSpaceMessage = false; 560 if (target instanceof Workspace) { 561 int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 562 Workspace workspace = (Workspace) target; 563 CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 564 ItemInfo itemInfo = (ItemInfo) d.dragInfo; 565 if (layout != null) { 566 layout.calculateSpans(itemInfo); 567 showOutOfSpaceMessage = 568 !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 569 } 570 } 571 // TODO-APPS_CUSTOMIZE: We need to handle this for folders as well later. 572 if (showOutOfSpaceMessage) { 573 mLauncher.showOutOfSpaceMessage(); 574 } 575 } 576 } 577 578 public void setContentType(ContentType type) { 579 mContentType = type; 580 invalidatePageData(0, (type != ContentType.Applications)); 581 } 582 583 public boolean isContentType(ContentType type) { 584 return (mContentType == type); 585 } 586 587 public void setCurrentPageToWidgets() { 588 invalidatePageData(0); 589 } 590 591 /* 592 * Apps PagedView implementation 593 */ 594 private void setVisibilityOnChildren(ViewGroup layout, int visibility) { 595 int childCount = layout.getChildCount(); 596 for (int i = 0; i < childCount; ++i) { 597 layout.getChildAt(i).setVisibility(visibility); 598 } 599 } 600 private void setupPage(PagedViewCellLayout layout) { 601 layout.setCellCount(mCellCountX, mCellCountY); 602 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 603 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 604 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 605 606 // Note: We force a measure here to get around the fact that when we do layout calculations 607 // immediately after syncing, we don't have a proper width. That said, we already know the 608 // expected page width, so we can actually optimize by hiding all the TextView-based 609 // children that are expensive to measure, and let that happen naturally later. 610 setVisibilityOnChildren(layout, View.GONE); 611 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 612 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 613 layout.setMinimumWidth(getPageContentWidth()); 614 layout.measure(widthSpec, heightSpec); 615 setVisibilityOnChildren(layout, View.VISIBLE); 616 } 617 public void syncAppsPages() { 618 // Ensure that we have the right number of pages 619 Context context = getContext(); 620 int numPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY)); 621 for (int i = 0; i < numPages; ++i) { 622 PagedViewCellLayout layout = new PagedViewCellLayout(context); 623 setupPage(layout); 624 addView(layout); 625 } 626 } 627 public void syncAppsPageItems(int page, boolean immediate) { 628 // ensure that we have the right number of items on the pages 629 int numPages = getPageCount(); 630 int numCells = mCellCountX * mCellCountY; 631 int startIndex = page * numCells; 632 int endIndex = Math.min(startIndex + numCells, mApps.size()); 633 PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page); 634 635 layout.removeAllViewsOnPage(); 636 ArrayList<Object> items = new ArrayList<Object>(); 637 ArrayList<Bitmap> images = new ArrayList<Bitmap>(); 638 for (int i = startIndex; i < endIndex; ++i) { 639 ApplicationInfo info = mApps.get(i); 640 PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate( 641 R.layout.apps_customize_application, layout, false); 642 icon.applyFromApplicationInfo(info, true, mHolographicOutlineHelper); 643 icon.setOnClickListener(this); 644 icon.setOnLongClickListener(this); 645 icon.setOnTouchListener(this); 646 647 int index = i - startIndex; 648 int x = index % mCellCountX; 649 int y = index / mCellCountX; 650 layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); 651 652 items.add(info); 653 images.add(info.iconBitmap); 654 } 655 656 // Create the hardware layers 657 layout.allowHardwareLayerCreation(); 658 layout.createHardwareLayers(); 659 660 if (mFadeInAdjacentScreens) { 661 prepareGenerateHoloOutlinesTask(page, items, images); 662 } 663 } 664 665 /** 666 * Return the appropriate thread priority for loading for a given page (we give the current 667 * page much higher priority) 668 */ 669 private int getThreadPriorityForPage(int page) { 670 // TODO-APPS_CUSTOMIZE: detect number of cores and set thread priorities accordingly below 671 int pageDiff = Math.abs(page - mCurrentPage); 672 if (pageDiff <= 0) { 673 // return Process.THREAD_PRIORITY_DEFAULT; 674 return Process.THREAD_PRIORITY_MORE_FAVORABLE; 675 } else if (pageDiff <= 1) { 676 // return Process.THREAD_PRIORITY_BACKGROUND; 677 return Process.THREAD_PRIORITY_DEFAULT; 678 } else { 679 // return Process.THREAD_PRIORITY_LOWEST; 680 return Process.THREAD_PRIORITY_DEFAULT; 681 } 682 } 683 private int getSleepForPage(int page) { 684 int pageDiff = Math.abs(page - mCurrentPage) - 1; 685 return Math.max(0, pageDiff * sPageSleepDelay); 686 } 687 /** 688 * Creates and executes a new AsyncTask to load a page of widget previews. 689 */ 690 private void prepareLoadWidgetPreviewsTask(int page, ArrayList<Object> widgets, 691 int cellWidth, int cellHeight, int cellCountX) { 692 // Prune all tasks that are no longer needed 693 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 694 while (iter.hasNext()) { 695 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 696 int taskPage = task.page; 697 if ((taskPage == page) || 698 taskPage < getAssociatedLowerPageBound(mCurrentPage) || 699 taskPage > getAssociatedUpperPageBound(mCurrentPage)) { 700 task.cancel(false); 701 iter.remove(); 702 } else { 703 task.setThreadPriority(getThreadPriorityForPage(taskPage)); 704 } 705 } 706 707 // We introduce a slight delay to order the loading of side pages so that we don't thrash 708 final int sleepMs = getSleepForPage(page); 709 AsyncTaskPageData pageData = new AsyncTaskPageData(page, widgets, cellWidth, cellHeight, 710 cellCountX, new AsyncTaskCallback() { 711 @Override 712 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 713 try { 714 Thread.sleep(sleepMs); 715 } catch (Exception e) {} 716 loadWidgetPreviewsInBackground(task, data); 717 } 718 }, 719 new AsyncTaskCallback() { 720 @Override 721 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 722 mRunningTasks.remove(task); 723 if (task.isCancelled()) return; 724 if (task.page > getPageCount()) return; 725 if (task.pageContentType != mContentType) return; 726 onSyncWidgetPageItems(data); 727 } 728 }); 729 730 // Ensure that the task is appropriately prioritized and runs in parallel 731 AppsCustomizeAsyncTask t = new AppsCustomizeAsyncTask(page, mContentType, 732 AsyncTaskPageData.Type.LoadWidgetPreviewData); 733 t.setThreadPriority(getThreadPriorityForPage(page)); 734 t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pageData); 735 mRunningTasks.add(t); 736 } 737 /** 738 * Creates and executes a new AsyncTask to load the outlines for a page of content. 739 */ 740 private void prepareGenerateHoloOutlinesTask(int page, ArrayList<Object> items, 741 ArrayList<Bitmap> images) { 742 // Prune old tasks for this page 743 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 744 while (iter.hasNext()) { 745 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 746 int taskPage = task.page; 747 if ((taskPage == page) && 748 (task.dataType == AsyncTaskPageData.Type.LoadHolographicIconsData)) { 749 task.cancel(false); 750 iter.remove(); 751 } 752 } 753 754 AsyncTaskPageData pageData = new AsyncTaskPageData(page, items, images, 755 new AsyncTaskCallback() { 756 @Override 757 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 758 // Ensure that this task starts running at the correct priority 759 task.syncThreadPriority(); 760 761 ArrayList<Bitmap> images = data.generatedImages; 762 ArrayList<Bitmap> srcImages = data.sourceImages; 763 int count = srcImages.size(); 764 Canvas c = new Canvas(); 765 for (int i = 0; i < count && !task.isCancelled(); ++i) { 766 // Before work on each item, ensure that this task is running at the correct 767 // priority 768 task.syncThreadPriority(); 769 770 Bitmap b = srcImages.get(i); 771 Bitmap outline = Bitmap.createBitmap(b.getWidth(), b.getHeight(), 772 Bitmap.Config.ARGB_8888); 773 774 c.setBitmap(outline); 775 c.save(); 776 c.drawBitmap(b, 0, 0, null); 777 c.restore(); 778 c.setBitmap(null); 779 780 images.add(outline); 781 } 782 } 783 }, 784 new AsyncTaskCallback() { 785 @Override 786 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 787 mRunningTasks.remove(task); 788 if (task.isCancelled()) return; 789 if (task.page > getPageCount()) return; 790 if (task.pageContentType != mContentType) return; 791 onHolographicPageItemsLoaded(data); 792 } 793 }); 794 795 // Ensure that the outline task always runs in the background, serially 796 AppsCustomizeAsyncTask t = 797 new AppsCustomizeAsyncTask(page, mContentType, 798 AsyncTaskPageData.Type.LoadHolographicIconsData); 799 t.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 800 t.executeOnExecutor(AsyncTask.SERIAL_EXECUTOR, pageData); 801 mRunningTasks.add(t); 802 } 803 804 /* 805 * Widgets PagedView implementation 806 */ 807 private void setupPage(PagedViewGridLayout layout) { 808 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 809 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 810 811 // Note: We force a measure here to get around the fact that when we do layout calculations 812 // immediately after syncing, we don't have a proper width. 813 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 814 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 815 layout.setMinimumWidth(getPageContentWidth()); 816 layout.measure(widthSpec, heightSpec); 817 } 818 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 819 float scaleX, float scaleY) { 820 renderDrawableToBitmap(d, bitmap, x, y, w, h, scaleX, scaleY, 0xFFFFFFFF); 821 } 822 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 823 float scaleX, float scaleY, int multiplyColor) { 824 if (bitmap != null) { 825 Canvas c = new Canvas(bitmap); 826 c.scale(scaleX, scaleY); 827 Rect oldBounds = d.copyBounds(); 828 d.setBounds(x, y, x + w, y + h); 829 d.draw(c); 830 d.setBounds(oldBounds); // Restore the bounds 831 if (multiplyColor != 0xFFFFFFFF) { 832 c.drawColor(mDragViewMultiplyColor, PorterDuff.Mode.MULTIPLY); 833 } 834 c.setBitmap(null); 835 } 836 } 837 private Bitmap getShortcutPreview(ResolveInfo info, int cellWidth, int cellHeight) { 838 // Render the icon 839 Bitmap preview = Bitmap.createBitmap(cellWidth, mAppIconSize, Config.ARGB_8888); 840 Drawable icon = mIconCache.getFullResIcon(info, mPackageManager); 841 renderDrawableToBitmap(icon, preview, 0, 0, mAppIconSize, mAppIconSize, 1f, 1f); 842 return preview; 843 } 844 private Bitmap getWidgetPreview(AppWidgetProviderInfo info, 845 int cellHSpan, int cellVSpan, int cellWidth, int cellHeight) { 846 847 // Calculate the size of the drawable 848 cellHSpan = Math.max(mMinWidgetSpan, Math.min(mMaxWidgetSpan, cellHSpan)); 849 cellVSpan = Math.max(mMinWidgetSpan, Math.min(mMaxWidgetSpan, cellVSpan)); 850 int expectedWidth = mWidgetSpacingLayout.estimateCellWidth(cellHSpan); 851 int expectedHeight = mWidgetSpacingLayout.estimateCellHeight(cellVSpan); 852 853 // Scale down the bitmap to fit the space 854 float widgetPreviewScale = (float) cellWidth / expectedWidth; 855 expectedWidth = (int) (widgetPreviewScale * expectedWidth); 856 expectedHeight = (int) (widgetPreviewScale * expectedHeight); 857 858 // Load the preview image if possible 859 String packageName = info.provider.getPackageName(); 860 Drawable drawable = null; 861 Bitmap preview = null; 862 if (info.previewImage != 0) { 863 drawable = mPackageManager.getDrawable(packageName, info.previewImage, null); 864 if (drawable == null) { 865 Log.w(LOG_TAG, "Can't load icon drawable 0x" + Integer.toHexString(info.icon) 866 + " for provider: " + info.provider); 867 } else { 868 // Scale down the preview to the dimensions we want 869 int imageWidth = drawable.getIntrinsicWidth(); 870 int imageHeight = drawable.getIntrinsicHeight(); 871 float aspect = (float) imageWidth / imageHeight; 872 int newWidth = imageWidth; 873 int newHeight = imageHeight; 874 if (aspect > 1f) { 875 newWidth = expectedWidth; 876 newHeight = (int) (imageHeight * ((float) expectedWidth / imageWidth)); 877 } else { 878 newHeight = expectedHeight; 879 newWidth = (int) (imageWidth * ((float) expectedHeight / imageHeight)); 880 } 881 882 preview = Bitmap.createBitmap(newWidth, newHeight, Config.ARGB_8888); 883 renderDrawableToBitmap(drawable, preview, 0, 0, newWidth, newHeight, 1f, 1f); 884 } 885 } 886 887 // Generate a preview image if we couldn't load one 888 if (drawable == null) { 889 Resources resources = mLauncher.getResources(); 890 int bitmapWidth; 891 int bitmapHeight; 892 893 // Specify the dimensions of the bitmap (since we are using a default preview bg with 894 // the full icon, we only imply the aspect ratio of the widget) 895 if (cellHSpan == cellVSpan) { 896 bitmapWidth = bitmapHeight = cellWidth; 897 expectedWidth = expectedHeight = mWidgetPreviewIconPaddedDimension; 898 } else if (cellHSpan >= cellVSpan) { 899 bitmapWidth = expectedWidth = cellWidth; 900 bitmapHeight = expectedHeight = mWidgetPreviewIconPaddedDimension; 901 } else { 902 // Note that in vertical widgets, we might not have enough space due to the text 903 // label, so be conservative and use the width as a height bound 904 bitmapWidth = expectedWidth = mWidgetPreviewIconPaddedDimension; 905 bitmapHeight = expectedHeight = cellWidth; 906 } 907 908 preview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, Config.ARGB_8888); 909 renderDrawableToBitmap(mDefaultWidgetBackground, preview, 0, 0, expectedWidth, 910 expectedHeight, 1f, 1f); 911 912 // Draw the icon in the top left corner 913 try { 914 Drawable icon = null; 915 if (info.icon > 0) icon = mPackageManager.getDrawable(packageName, info.icon, null); 916 if (icon == null) icon = resources.getDrawable(R.drawable.ic_launcher_application); 917 918 int offset = (int) (mAppIconSize * sWidgetPreviewIconPaddingPercentage); 919 renderDrawableToBitmap(icon, preview, offset, offset, 920 mAppIconSize, mAppIconSize, 1f, 1f); 921 } catch (Resources.NotFoundException e) {} 922 } 923 return preview; 924 } 925 public void syncWidgetPages() { 926 // Ensure that we have the right number of pages 927 Context context = getContext(); 928 int numPages = (int) Math.ceil(mWidgets.size() / 929 (float) (mWidgetCountX * mWidgetCountY)); 930 for (int j = 0; j < numPages; ++j) { 931 PagedViewGridLayout layout = new PagedViewGridLayout(context, mWidgetCountX, 932 mWidgetCountY); 933 setupPage(layout); 934 addView(layout); 935 } 936 } 937 public void syncWidgetPageItems(int page, boolean immediate) { 938 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 939 int contentWidth = mWidgetSpacingLayout.getContentWidth(); 940 int contentHeight = mWidgetSpacingLayout.getContentHeight(); 941 942 // Calculate the dimensions of each cell we are giving to each widget 943 ArrayList<Object> items = new ArrayList<Object>(); 944 int cellWidth = ((contentWidth - mPageLayoutPaddingLeft - mPageLayoutPaddingRight 945 - ((mWidgetCountX - 1) * mWidgetWidthGap)) / mWidgetCountX); 946 int cellHeight = ((contentHeight - mPageLayoutPaddingTop - mPageLayoutPaddingBottom 947 - ((mWidgetCountY - 1) * mWidgetHeightGap)) / mWidgetCountY); 948 949 int offset = page * numItemsPerPage; 950 for (int i = offset; i < Math.min(offset + numItemsPerPage, mWidgets.size()); ++i) { 951 items.add(mWidgets.get(i)); 952 } 953 954 if (immediate) { 955 AsyncTaskPageData data = new AsyncTaskPageData(page, items, cellWidth, cellHeight, 956 mWidgetCountX, null, null); 957 loadWidgetPreviewsInBackground(null, data); 958 onSyncWidgetPageItems(data); 959 } else { 960 prepareLoadWidgetPreviewsTask(page, items, cellWidth, cellHeight, mWidgetCountX); 961 } 962 } 963 private void loadWidgetPreviewsInBackground(AppsCustomizeAsyncTask task, 964 AsyncTaskPageData data) { 965 if (task != null) { 966 // Ensure that this task starts running at the correct priority 967 task.syncThreadPriority(); 968 } 969 970 // Load each of the widget/shortcut previews 971 ArrayList<Object> items = data.items; 972 ArrayList<Bitmap> images = data.generatedImages; 973 int count = items.size(); 974 int cellWidth = data.cellWidth; 975 int cellHeight = data.cellHeight; 976 for (int i = 0; i < count; ++i) { 977 if (task != null) { 978 // Ensure we haven't been cancelled yet 979 if (task.isCancelled()) break; 980 // Before work on each item, ensure that this task is running at the correct 981 // priority 982 task.syncThreadPriority(); 983 } 984 985 Object rawInfo = items.get(i); 986 if (rawInfo instanceof AppWidgetProviderInfo) { 987 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 988 int[] cellSpans = mLauncher.getSpanForWidget(info, null); 989 images.add(getWidgetPreview(info, cellSpans[0],cellSpans[1], 990 cellWidth, cellHeight)); 991 } else if (rawInfo instanceof ResolveInfo) { 992 // Fill in the shortcuts information 993 ResolveInfo info = (ResolveInfo) rawInfo; 994 images.add(getShortcutPreview(info, cellWidth, cellHeight)); 995 } 996 } 997 } 998 private void onSyncWidgetPageItems(AsyncTaskPageData data) { 999 int page = data.page; 1000 PagedViewGridLayout layout = (PagedViewGridLayout) getChildAt(page); 1001 // Only set the column count once we have items 1002 layout.setColumnCount(layout.getCellCountX()); 1003 1004 ArrayList<Object> items = data.items; 1005 int count = items.size(); 1006 int cellWidth = data.cellWidth; 1007 int cellHeight = data.cellHeight; 1008 int cellCountX = data.cellCountX; 1009 for (int i = 0; i < count; ++i) { 1010 Object rawInfo = items.get(i); 1011 PendingAddItemInfo createItemInfo = null; 1012 PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate( 1013 R.layout.apps_customize_widget, layout, false); 1014 if (rawInfo instanceof AppWidgetProviderInfo) { 1015 // Fill in the widget information 1016 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1017 createItemInfo = new PendingAddWidgetInfo(info, null, null); 1018 int[] cellSpans = CellLayout.rectToCell(getResources(), 1019 info.minWidth, info.minHeight, null); 1020 FastBitmapDrawable preview = new FastBitmapDrawable(data.generatedImages.get(i)); 1021 widget.applyFromAppWidgetProviderInfo(info, preview, -1, cellSpans, 1022 mHolographicOutlineHelper); 1023 widget.setTag(createItemInfo); 1024 } else if (rawInfo instanceof ResolveInfo) { 1025 // Fill in the shortcuts information 1026 ResolveInfo info = (ResolveInfo) rawInfo; 1027 createItemInfo = new PendingAddItemInfo(); 1028 createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 1029 createItemInfo.componentName = new ComponentName(info.activityInfo.packageName, 1030 info.activityInfo.name); 1031 FastBitmapDrawable preview = new FastBitmapDrawable(data.generatedImages.get(i)); 1032 widget.applyFromResolveInfo(mPackageManager, info, preview, 1033 mHolographicOutlineHelper); 1034 widget.setTag(createItemInfo); 1035 } 1036 widget.setOnClickListener(this); 1037 widget.setOnLongClickListener(this); 1038 widget.setOnTouchListener(this); 1039 1040 // Layout each widget 1041 int ix = i % cellCountX; 1042 int iy = i / cellCountX; 1043 GridLayout.LayoutParams lp = new GridLayout.LayoutParams( 1044 GridLayout.spec(iy, GridLayout.LEFT), 1045 GridLayout.spec(ix, GridLayout.TOP)); 1046 lp.width = cellWidth; 1047 lp.height = cellHeight; 1048 lp.setGravity(Gravity.TOP | Gravity.LEFT); 1049 if (ix > 0) lp.leftMargin = mWidgetWidthGap; 1050 if (iy > 0) lp.topMargin = mWidgetHeightGap; 1051 layout.addView(widget, lp); 1052 } 1053 1054 invalidate(); 1055 forceUpdateAdjacentPagesAlpha(); 1056 1057 if (mFadeInAdjacentScreens) { 1058 prepareGenerateHoloOutlinesTask(data.page, data.items, data.generatedImages); 1059 } 1060 } 1061 private void onHolographicPageItemsLoaded(AsyncTaskPageData data) { 1062 // Invalidate early to short-circuit children invalidates 1063 invalidate(); 1064 1065 int page = data.page; 1066 ViewGroup layout = (ViewGroup) getChildAt(page); 1067 if (layout instanceof PagedViewCellLayout) { 1068 PagedViewCellLayout cl = (PagedViewCellLayout) layout; 1069 int count = cl.getPageChildCount(); 1070 if (count != data.generatedImages.size()) return; 1071 for (int i = 0; i < count; ++i) { 1072 PagedViewIcon icon = (PagedViewIcon) cl.getChildOnPageAt(i); 1073 icon.setHolographicOutline(data.generatedImages.get(i)); 1074 } 1075 } else { 1076 int count = layout.getChildCount(); 1077 if (count != data.generatedImages.size()) return; 1078 for (int i = 0; i < count; ++i) { 1079 View v = layout.getChildAt(i); 1080 ((PagedViewWidget) v).setHolographicOutline(data.generatedImages.get(i)); 1081 } 1082 } 1083 } 1084 1085 @Override 1086 public void syncPages() { 1087 removeAllViews(); 1088 1089 // Remove all background asyc tasks if we are loading content anew 1090 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1091 while (iter.hasNext()) { 1092 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1093 task.cancel(false); 1094 iter.remove(); 1095 } 1096 1097 switch (mContentType) { 1098 case Applications: 1099 syncAppsPages(); 1100 break; 1101 case Widgets: 1102 syncWidgetPages(); 1103 break; 1104 } 1105 } 1106 @Override 1107 public void syncPageItems(int page, boolean immediate) { 1108 switch (mContentType) { 1109 case Applications: 1110 syncAppsPageItems(page, immediate); 1111 break; 1112 case Widgets: 1113 syncWidgetPageItems(page, immediate); 1114 break; 1115 } 1116 } 1117 1118 /** 1119 * Used by the parent to get the content width to set the tab bar to 1120 * @return 1121 */ 1122 public int getPageContentWidth() { 1123 return mContentWidth; 1124 } 1125 1126 @Override 1127 protected void onPageBeginMoving() { 1128 /* TO BE ENABLED LATER 1129 setChildrenDrawnWithCacheEnabled(true); 1130 for (int i = 0; i < getChildCount(); ++i) { 1131 View v = getChildAt(i); 1132 if (v instanceof PagedViewCellLayout) { 1133 ((PagedViewCellLayout) v).setChildrenDrawingCacheEnabled(true); 1134 } 1135 } 1136 */ 1137 super.onPageBeginMoving(); 1138 } 1139 1140 @Override 1141 protected void onPageEndMoving() { 1142 /* TO BE ENABLED LATER 1143 for (int i = 0; i < getChildCount(); ++i) { 1144 View v = getChildAt(i); 1145 if (v instanceof PagedViewCellLayout) { 1146 ((PagedViewCellLayout) v).setChildrenDrawingCacheEnabled(false); 1147 } 1148 } 1149 setChildrenDrawnWithCacheEnabled(false); 1150 */ 1151 super.onPageEndMoving(); 1152 1153 // We reset the save index when we change pages so that it will be recalculated on next 1154 // rotation 1155 mSaveInstanceStateItemIndex = -1; 1156 } 1157 1158 /* 1159 * AllAppsView implementation 1160 */ 1161 @Override 1162 public void setup(Launcher launcher, DragController dragController) { 1163 mLauncher = launcher; 1164 mDragController = dragController; 1165 } 1166 @Override 1167 public void zoom(float zoom, boolean animate) { 1168 // TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed() 1169 } 1170 @Override 1171 public boolean isVisible() { 1172 return (getVisibility() == VISIBLE); 1173 } 1174 @Override 1175 public boolean isAnimating() { 1176 return false; 1177 } 1178 @Override 1179 public void setApps(ArrayList<ApplicationInfo> list) { 1180 mApps = list; 1181 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); 1182 1183 // The next layout pass will trigger data-ready if both widgets and apps are set, so 1184 // request a layout to do this test and invalidate the page data when ready. 1185 if (testDataReady()) requestLayout(); 1186 } 1187 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1188 // We add it in place, in alphabetical order 1189 int count = list.size(); 1190 for (int i = 0; i < count; ++i) { 1191 ApplicationInfo info = list.get(i); 1192 int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); 1193 if (index < 0) { 1194 mApps.add(-(index + 1), info); 1195 } 1196 } 1197 } 1198 @Override 1199 public void addApps(ArrayList<ApplicationInfo> list) { 1200 addAppsWithoutInvalidate(list); 1201 invalidatePageData(); 1202 } 1203 private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { 1204 ComponentName removeComponent = item.intent.getComponent(); 1205 int length = list.size(); 1206 for (int i = 0; i < length; ++i) { 1207 ApplicationInfo info = list.get(i); 1208 if (info.intent.getComponent().equals(removeComponent)) { 1209 return i; 1210 } 1211 } 1212 return -1; 1213 } 1214 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1215 // loop through all the apps and remove apps that have the same component 1216 int length = list.size(); 1217 for (int i = 0; i < length; ++i) { 1218 ApplicationInfo info = list.get(i); 1219 int removeIndex = findAppByComponent(mApps, info); 1220 if (removeIndex > -1) { 1221 mApps.remove(removeIndex); 1222 } 1223 } 1224 } 1225 @Override 1226 public void removeApps(ArrayList<ApplicationInfo> list) { 1227 removeAppsWithoutInvalidate(list); 1228 invalidatePageData(); 1229 } 1230 @Override 1231 public void updateApps(ArrayList<ApplicationInfo> list) { 1232 // We remove and re-add the updated applications list because it's properties may have 1233 // changed (ie. the title), and this will ensure that the items will be in their proper 1234 // place in the list. 1235 removeAppsWithoutInvalidate(list); 1236 addAppsWithoutInvalidate(list); 1237 invalidatePageData(); 1238 } 1239 1240 @Override 1241 public void reset() { 1242 if (mContentType != ContentType.Applications) { 1243 // Reset to the first page of the Apps pane 1244 AppsCustomizeTabHost tabs = (AppsCustomizeTabHost) 1245 mLauncher.findViewById(R.id.apps_customize_pane); 1246 tabs.selectAppsTab(); 1247 } else if (getCurrentPage() != 0) { 1248 invalidatePageData(0); 1249 } 1250 } 1251 @Override 1252 public void dumpState() { 1253 // TODO: Dump information related to current list of Applications, Widgets, etc. 1254 ApplicationInfo.dumpApplicationInfoList(LOG_TAG, "mApps", mApps); 1255 dumpAppWidgetProviderInfoList(LOG_TAG, "mWidgets", mWidgets); 1256 } 1257 private void dumpAppWidgetProviderInfoList(String tag, String label, 1258 ArrayList<Object> list) { 1259 Log.d(tag, label + " size=" + list.size()); 1260 for (Object i: list) { 1261 if (i instanceof AppWidgetProviderInfo) { 1262 AppWidgetProviderInfo info = (AppWidgetProviderInfo) i; 1263 Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage 1264 + " resizeMode=" + info.resizeMode + " configure=" + info.configure 1265 + " initialLayout=" + info.initialLayout 1266 + " minWidth=" + info.minWidth + " minHeight=" + info.minHeight); 1267 } else if (i instanceof ResolveInfo) { 1268 ResolveInfo info = (ResolveInfo) i; 1269 Log.d(tag, " label=\"" + info.loadLabel(mPackageManager) + "\" icon=" 1270 + info.icon); 1271 } 1272 } 1273 } 1274 @Override 1275 public void surrender() { 1276 // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we 1277 // should stop this now. 1278 } 1279 1280 /* 1281 * We load an extra page on each side to prevent flashes from scrolling and loading of the 1282 * widget previews in the background with the AsyncTasks. 1283 */ 1284 protected int getAssociatedLowerPageBound(int page) { 1285 return Math.max(0, page - 2); 1286 } 1287 protected int getAssociatedUpperPageBound(int page) { 1288 final int count = getChildCount(); 1289 return Math.min(page + 2, count - 1); 1290 } 1291 1292 @Override 1293 protected String getCurrentPageDescription() { 1294 int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage; 1295 int stringId = R.string.default_scroll_format; 1296 switch (mContentType) { 1297 case Applications: 1298 stringId = R.string.apps_customize_apps_scroll_format; 1299 break; 1300 case Widgets: 1301 stringId = R.string.apps_customize_widgets_scroll_format; 1302 break; 1303 } 1304 return String.format(mContext.getString(stringId), page + 1, getChildCount()); 1305 } 1306} 1307