AppsCustomizePagedView.java revision 7b1deb5b0c284e6dcef13360c912c4418488da5d
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.AppWidgetHostView; 23import android.appwidget.AppWidgetManager; 24import android.appwidget.AppWidgetProviderInfo; 25import android.content.ComponentName; 26import android.content.Context; 27import android.content.Intent; 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.ColorMatrix; 37import android.graphics.ColorMatrixColorFilter; 38import android.graphics.Insets; 39import android.graphics.MaskFilter; 40import android.graphics.Matrix; 41import android.graphics.Paint; 42import android.graphics.PorterDuff; 43import android.graphics.Rect; 44import android.graphics.RectF; 45import android.graphics.Shader; 46import android.graphics.TableMaskFilter; 47import android.graphics.drawable.BitmapDrawable; 48import android.graphics.drawable.Drawable; 49import android.os.AsyncTask; 50import android.os.Process; 51import android.util.AttributeSet; 52import android.util.Log; 53import android.view.Gravity; 54import android.view.KeyEvent; 55import android.view.LayoutInflater; 56import android.view.MotionEvent; 57import android.view.View; 58import android.view.ViewGroup; 59import android.view.animation.AccelerateInterpolator; 60import android.view.animation.DecelerateInterpolator; 61import android.widget.GridLayout; 62import android.widget.ImageView; 63import android.widget.LinearLayout; 64import android.widget.Toast; 65 66import com.android.launcher.R; 67import com.android.launcher2.DropTarget.DragObject; 68 69import java.util.ArrayList; 70import java.util.Collections; 71import java.util.Iterator; 72import java.util.List; 73import java.lang.ref.WeakReference; 74 75/** 76 * A simple callback interface which also provides the results of the task. 77 */ 78interface AsyncTaskCallback { 79 void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data); 80} 81 82/** 83 * The data needed to perform either of the custom AsyncTasks. 84 */ 85class AsyncTaskPageData { 86 enum Type { 87 LoadWidgetPreviewData 88 } 89 90 AsyncTaskPageData(int p, ArrayList<Object> l, ArrayList<Bitmap> si, AsyncTaskCallback bgR, 91 AsyncTaskCallback postR) { 92 page = p; 93 items = l; 94 sourceImages = si; 95 generatedImages = new ArrayList<Bitmap>(); 96 maxImageWidth = maxImageHeight = -1; 97 doInBackgroundCallback = bgR; 98 postExecuteCallback = postR; 99 } 100 AsyncTaskPageData(int p, ArrayList<Object> l, int cw, int ch, AsyncTaskCallback bgR, 101 AsyncTaskCallback postR) { 102 page = p; 103 items = l; 104 generatedImages = new ArrayList<Bitmap>(); 105 maxImageWidth = cw; 106 maxImageHeight = ch; 107 doInBackgroundCallback = bgR; 108 postExecuteCallback = postR; 109 } 110 void cleanup(boolean cancelled) { 111 // Clean up any references to source/generated bitmaps 112 if (sourceImages != null) { 113 if (cancelled) { 114 for (Bitmap b : sourceImages) { 115 b.recycle(); 116 } 117 } 118 sourceImages.clear(); 119 } 120 if (generatedImages != null) { 121 if (cancelled) { 122 for (Bitmap b : generatedImages) { 123 b.recycle(); 124 } 125 } 126 generatedImages.clear(); 127 } 128 } 129 int page; 130 ArrayList<Object> items; 131 ArrayList<Bitmap> sourceImages; 132 ArrayList<Bitmap> generatedImages; 133 int maxImageWidth; 134 int maxImageHeight; 135 AsyncTaskCallback doInBackgroundCallback; 136 AsyncTaskCallback postExecuteCallback; 137} 138 139/** 140 * A generic template for an async task used in AppsCustomize. 141 */ 142class AppsCustomizeAsyncTask extends AsyncTask<AsyncTaskPageData, Void, AsyncTaskPageData> { 143 AppsCustomizeAsyncTask(int p, AsyncTaskPageData.Type ty) { 144 page = p; 145 threadPriority = Process.THREAD_PRIORITY_DEFAULT; 146 dataType = ty; 147 } 148 @Override 149 protected AsyncTaskPageData doInBackground(AsyncTaskPageData... params) { 150 if (params.length != 1) return null; 151 // Load each of the widget previews in the background 152 params[0].doInBackgroundCallback.run(this, params[0]); 153 return params[0]; 154 } 155 @Override 156 protected void onPostExecute(AsyncTaskPageData result) { 157 // All the widget previews are loaded, so we can just callback to inflate the page 158 result.postExecuteCallback.run(this, result); 159 } 160 161 void setThreadPriority(int p) { 162 threadPriority = p; 163 } 164 void syncThreadPriority() { 165 Process.setThreadPriority(threadPriority); 166 } 167 168 // The page that this async task is associated with 169 AsyncTaskPageData.Type dataType; 170 int page; 171 int threadPriority; 172} 173 174abstract class WeakReferenceThreadLocal<T> { 175 private ThreadLocal<WeakReference<T>> mThreadLocal; 176 public WeakReferenceThreadLocal() { 177 mThreadLocal = new ThreadLocal<WeakReference<T>>(); 178 } 179 180 abstract T initialValue(); 181 182 public void set(T t) { 183 mThreadLocal.set(new WeakReference<T>(t)); 184 } 185 186 public T get() { 187 WeakReference<T> reference = mThreadLocal.get(); 188 T obj; 189 if (reference == null) { 190 obj = initialValue(); 191 mThreadLocal.set(new WeakReference<T>(obj)); 192 return obj; 193 } else { 194 obj = reference.get(); 195 if (obj == null) { 196 obj = initialValue(); 197 mThreadLocal.set(new WeakReference<T>(obj)); 198 } 199 return obj; 200 } 201 } 202} 203 204class CanvasCache extends WeakReferenceThreadLocal<Canvas> { 205 @Override 206 protected Canvas initialValue() { 207 return new Canvas(); 208 } 209} 210 211class PaintCache extends WeakReferenceThreadLocal<Paint> { 212 @Override 213 protected Paint initialValue() { 214 return null; 215 } 216} 217 218class BitmapCache extends WeakReferenceThreadLocal<Bitmap> { 219 @Override 220 protected Bitmap initialValue() { 221 return null; 222 } 223} 224 225class RectCache extends WeakReferenceThreadLocal<Rect> { 226 @Override 227 protected Rect initialValue() { 228 return new Rect(); 229 } 230} 231 232/** 233 * The Apps/Customize page that displays all the applications, widgets, and shortcuts. 234 */ 235public class AppsCustomizePagedView extends PagedViewWithDraggableItems implements 236 AllAppsView, View.OnClickListener, View.OnKeyListener, DragSource, 237 PagedViewIcon.PressedCallback, PagedViewWidget.ShortPressListener, 238 LauncherTransitionable { 239 static final String TAG = "AppsCustomizePagedView"; 240 241 /** 242 * The different content types that this paged view can show. 243 */ 244 public enum ContentType { 245 Applications, 246 Widgets 247 } 248 249 // Refs 250 private Launcher mLauncher; 251 private DragController mDragController; 252 private final LayoutInflater mLayoutInflater; 253 private final PackageManager mPackageManager; 254 255 // Save and Restore 256 private int mSaveInstanceStateItemIndex = -1; 257 private PagedViewIcon mPressedIcon; 258 259 // Content 260 private ArrayList<ApplicationInfo> mApps; 261 private ArrayList<Object> mWidgets; 262 263 // Cling 264 private boolean mHasShownAllAppsCling; 265 private int mClingFocusedX; 266 private int mClingFocusedY; 267 268 // Caching 269 private Canvas mCanvas; 270 private Drawable mDefaultWidgetBackground; 271 private IconCache mIconCache; 272 273 // Dimens 274 private int mContentWidth; 275 private int mAppIconSize; 276 private int mMaxAppCellCountX, mMaxAppCellCountY; 277 private int mWidgetCountX, mWidgetCountY; 278 private int mWidgetWidthGap, mWidgetHeightGap; 279 private final float sWidgetPreviewIconPaddingPercentage = 0.25f; 280 private PagedViewCellLayout mWidgetSpacingLayout; 281 private int mNumAppsPages; 282 private int mNumWidgetPages; 283 284 // Relating to the scroll and overscroll effects 285 Workspace.ZInterpolator mZInterpolator = new Workspace.ZInterpolator(0.5f); 286 private static float CAMERA_DISTANCE = 6500; 287 private static float TRANSITION_SCALE_FACTOR = 0.74f; 288 private static float TRANSITION_PIVOT = 0.65f; 289 private static float TRANSITION_MAX_ROTATION = 22; 290 private static final boolean PERFORM_OVERSCROLL_ROTATION = true; 291 private AccelerateInterpolator mAlphaInterpolator = new AccelerateInterpolator(0.9f); 292 private DecelerateInterpolator mLeftScreenAlphaInterpolator = new DecelerateInterpolator(4); 293 294 // Previews & outlines 295 ArrayList<AppsCustomizeAsyncTask> mRunningTasks; 296 private static final int sPageSleepDelay = 200; 297 298 private Runnable mInflateWidgetRunnable = null; 299 private Runnable mBindWidgetRunnable = null; 300 static final int WIDGET_NO_CLEANUP_REQUIRED = -1; 301 static final int WIDGET_PRELOAD_PENDING = 0; 302 static final int WIDGET_BOUND = 1; 303 static final int WIDGET_INFLATED = 2; 304 int mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED; 305 int mWidgetLoadingId = -1; 306 PendingAddWidgetInfo mCreateWidgetInfo = null; 307 private boolean mDraggingWidget = false; 308 309 // Deferral of loading widget previews during launcher transitions 310 private boolean mInTransition; 311 private ArrayList<AsyncTaskPageData> mDeferredSyncWidgetPageItems = 312 new ArrayList<AsyncTaskPageData>(); 313 314 // Used for drawing shortcut previews 315 BitmapCache mCachedShortcutPreviewBitmap = new BitmapCache(); 316 PaintCache mCachedShortcutPreviewPaint = new PaintCache(); 317 CanvasCache mCachedShortcutPreviewCanvas = new CanvasCache(); 318 319 // Used for drawing widget previews 320 CanvasCache mCachedAppWidgetPreviewCanvas = new CanvasCache(); 321 RectCache mCachedAppWidgetPreviewSrcRect = new RectCache(); 322 RectCache mCachedAppWidgetPreviewDestRect = new RectCache(); 323 PaintCache mCachedAppWidgetPreviewPaint = new PaintCache(); 324 325 public AppsCustomizePagedView(Context context, AttributeSet attrs) { 326 super(context, attrs); 327 mLayoutInflater = LayoutInflater.from(context); 328 mPackageManager = context.getPackageManager(); 329 mApps = new ArrayList<ApplicationInfo>(); 330 mWidgets = new ArrayList<Object>(); 331 mIconCache = ((LauncherApplication) context.getApplicationContext()).getIconCache(); 332 mCanvas = new Canvas(); 333 mRunningTasks = new ArrayList<AppsCustomizeAsyncTask>(); 334 335 // Save the default widget preview background 336 Resources resources = context.getResources(); 337 mDefaultWidgetBackground = resources.getDrawable(R.drawable.default_widget_preview_holo); 338 mAppIconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size); 339 340 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.AppsCustomizePagedView, 0, 0); 341 mMaxAppCellCountX = a.getInt(R.styleable.AppsCustomizePagedView_maxAppCellCountX, -1); 342 mMaxAppCellCountY = a.getInt(R.styleable.AppsCustomizePagedView_maxAppCellCountY, -1); 343 mWidgetWidthGap = 344 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellWidthGap, 0); 345 mWidgetHeightGap = 346 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellHeightGap, 0); 347 mWidgetCountX = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountX, 2); 348 mWidgetCountY = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountY, 2); 349 mClingFocusedX = a.getInt(R.styleable.AppsCustomizePagedView_clingFocusedX, 0); 350 mClingFocusedY = a.getInt(R.styleable.AppsCustomizePagedView_clingFocusedY, 0); 351 a.recycle(); 352 mWidgetSpacingLayout = new PagedViewCellLayout(getContext()); 353 354 // The padding on the non-matched dimension for the default widget preview icons 355 // (top + bottom) 356 mFadeInAdjacentScreens = false; 357 358 // Unless otherwise specified this view is important for accessibility. 359 if (getImportantForAccessibility() == View.IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 360 setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES); 361 } 362 363 Log.d(TAG, "6549598 ctor mNumWidgetPages: " + mNumWidgetPages + " mNumAppsPages: " + mNumAppsPages); 364 } 365 366 @Override 367 protected void init() { 368 super.init(); 369 mCenterPagesVertically = false; 370 371 Context context = getContext(); 372 Resources r = context.getResources(); 373 setDragSlopeThreshold(r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold)/100f); 374 Log.d(TAG, "6549598 init mNumWidgetPages: " + mNumWidgetPages + " mNumAppsPages: " + mNumAppsPages); 375 } 376 377 @Override 378 protected void onUnhandledTap(MotionEvent ev) { 379 if (LauncherApplication.isScreenLarge()) { 380 // Dismiss AppsCustomize if we tap 381 mLauncher.showWorkspace(true); 382 } 383 } 384 385 /** Returns the item index of the center item on this page so that we can restore to this 386 * item index when we rotate. */ 387 private int getMiddleComponentIndexOnCurrentPage() { 388 int i = -1; 389 if (getPageCount() > 0) { 390 int currentPage = getCurrentPage(); 391 if (currentPage < mNumAppsPages) { 392 PagedViewCellLayout layout = (PagedViewCellLayout) getPageAt(currentPage); 393 PagedViewCellLayoutChildren childrenLayout = layout.getChildrenLayout(); 394 int numItemsPerPage = mCellCountX * mCellCountY; 395 int childCount = childrenLayout.getChildCount(); 396 if (childCount > 0) { 397 i = (currentPage * numItemsPerPage) + (childCount / 2); 398 } 399 } else { 400 int numApps = mApps.size(); 401 PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(currentPage); 402 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 403 int childCount = layout.getChildCount(); 404 if (childCount > 0) { 405 i = numApps + 406 ((currentPage - mNumAppsPages) * numItemsPerPage) + (childCount / 2); 407 } 408 } 409 } 410 return i; 411 } 412 413 /** Get the index of the item to restore to if we need to restore the current page. */ 414 int getSaveInstanceStateIndex() { 415 if (mSaveInstanceStateItemIndex == -1) { 416 mSaveInstanceStateItemIndex = getMiddleComponentIndexOnCurrentPage(); 417 } 418 return mSaveInstanceStateItemIndex; 419 } 420 421 /** Returns the page in the current orientation which is expected to contain the specified 422 * item index. */ 423 int getPageForComponent(int index) { 424 if (index < 0) return 0; 425 426 if (index < mApps.size()) { 427 int numItemsPerPage = mCellCountX * mCellCountY; 428 return (index / numItemsPerPage); 429 } else { 430 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 431 return mNumAppsPages + ((index - mApps.size()) / numItemsPerPage); 432 } 433 } 434 435 /** 436 * This differs from isDataReady as this is the test done if isDataReady is not set. 437 */ 438 private boolean testDataReady() { 439 // We only do this test once, and we default to the Applications page, so we only really 440 // have to wait for there to be apps. 441 // TODO: What if one of them is validly empty 442 return !mApps.isEmpty() && !mWidgets.isEmpty(); 443 } 444 445 /** Restores the page for an item at the specified index */ 446 void restorePageForIndex(int index) { 447 if (index < 0) return; 448 mSaveInstanceStateItemIndex = index; 449 } 450 451 private void updatePageCounts() { 452 mNumWidgetPages = (int) Math.ceil(mWidgets.size() / 453 (float) (mWidgetCountX * mWidgetCountY)); 454 mNumAppsPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY)); 455 Log.d(TAG, "6549598 updatePageCounts mNumWidgetPages: " + mNumWidgetPages + " mNumAppsPages: " + mNumAppsPages); 456 Log.d(TAG, "6549598 mApps.size(): " + mApps.size() + " mWidgets.size(): " + mWidgets.size() + " mCellCountX: " + mCellCountX + " mCellCountY: " + mCellCountY); 457 } 458 459 protected void onDataReady(int width, int height) { 460 Log.d(TAG, "6549598 onDataReady"); 461 // Note that we transpose the counts in portrait so that we get a similar layout 462 boolean isLandscape = getResources().getConfiguration().orientation == 463 Configuration.ORIENTATION_LANDSCAPE; 464 int maxCellCountX = Integer.MAX_VALUE; 465 int maxCellCountY = Integer.MAX_VALUE; 466 if (LauncherApplication.isScreenLarge()) { 467 maxCellCountX = (isLandscape ? LauncherModel.getCellCountX() : 468 LauncherModel.getCellCountY()); 469 maxCellCountY = (isLandscape ? LauncherModel.getCellCountY() : 470 LauncherModel.getCellCountX()); 471 } 472 if (mMaxAppCellCountX > -1) { 473 maxCellCountX = Math.min(maxCellCountX, mMaxAppCellCountX); 474 } 475 if (mMaxAppCellCountY > -1) { 476 maxCellCountY = Math.min(maxCellCountY, mMaxAppCellCountY); 477 } 478 479 // Now that the data is ready, we can calculate the content width, the number of cells to 480 // use for each page 481 mWidgetSpacingLayout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 482 mWidgetSpacingLayout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 483 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 484 mWidgetSpacingLayout.calculateCellCount(width, height, maxCellCountX, maxCellCountY); 485 mCellCountX = mWidgetSpacingLayout.getCellCountX(); 486 mCellCountY = mWidgetSpacingLayout.getCellCountY(); 487 updatePageCounts(); 488 489 // Force a measure to update recalculate the gaps 490 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 491 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 492 mWidgetSpacingLayout.measure(widthSpec, heightSpec); 493 mContentWidth = mWidgetSpacingLayout.getContentWidth(); 494 495 AppsCustomizeTabHost host = (AppsCustomizeTabHost) getTabHost(); 496 final boolean hostIsTransitioning = host.isTransitioning(); 497 498 // Restore the page 499 int page = getPageForComponent(mSaveInstanceStateItemIndex); 500 invalidatePageData(Math.max(0, page), hostIsTransitioning); 501 502 // Show All Apps cling if we are finished transitioning, otherwise, we will try again when 503 // the transition completes in AppsCustomizeTabHost (otherwise the wrong offsets will be 504 // returned while animating) 505 if (!hostIsTransitioning) { 506 post(new Runnable() { 507 @Override 508 public void run() { 509 showAllAppsCling(); 510 } 511 }); 512 } 513 } 514 515 void showAllAppsCling() { 516 if (!mHasShownAllAppsCling && isDataReady() && testDataReady()) { 517 mHasShownAllAppsCling = true; 518 // Calculate the position for the cling punch through 519 int[] offset = new int[2]; 520 int[] pos = mWidgetSpacingLayout.estimateCellPosition(mClingFocusedX, mClingFocusedY); 521 mLauncher.getDragLayer().getLocationInDragLayer(this, offset); 522 // PagedViews are centered horizontally but top aligned 523 pos[0] += (getMeasuredWidth() - mWidgetSpacingLayout.getMeasuredWidth()) / 2 + 524 offset[0]; 525 pos[1] += offset[1]; 526 mLauncher.showFirstRunAllAppsCling(pos); 527 } 528 } 529 530 @Override 531 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 532 int width = MeasureSpec.getSize(widthMeasureSpec); 533 int height = MeasureSpec.getSize(heightMeasureSpec); 534 if (!isDataReady()) { 535 if (testDataReady()) { 536 setDataIsReady(); 537 setMeasuredDimension(width, height); 538 onDataReady(width, height); 539 } 540 } 541 542 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 543 } 544 545 public void onPackagesUpdated() { 546 Log.d(TAG, "6549598 onPackagesUpdated"); 547 // TODO: this isn't ideal, but we actually need to delay here. This call is triggered 548 // by a broadcast receiver, and in order for it to work correctly, we need to know that 549 // the AppWidgetService has already received and processed the same broadcast. Since there 550 // is no guarantee about ordering of broadcast receipt, we just delay here. Ideally, 551 // we should have a more precise way of ensuring the AppWidgetService is up to date. 552 postDelayed(new Runnable() { 553 public void run() { 554 updatePackages(); 555 } 556 }, 500); 557 } 558 559 public void updatePackages() { 560 // Get the list of widgets and shortcuts 561 boolean wasEmpty = mWidgets.isEmpty(); 562 mWidgets.clear(); 563 List<AppWidgetProviderInfo> widgets = 564 AppWidgetManager.getInstance(mLauncher).getInstalledProviders(); 565 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 566 List<ResolveInfo> shortcuts = mPackageManager.queryIntentActivities(shortcutsIntent, 0); 567 for (AppWidgetProviderInfo widget : widgets) { 568 if (widget.minWidth > 0 && widget.minHeight > 0) { 569 // Ensure that all widgets we show can be added on a workspace of this size 570 int[] spanXY = Launcher.getSpanForWidget(mLauncher, widget); 571 int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, widget); 572 int minSpanX = Math.min(spanXY[0], minSpanXY[0]); 573 int minSpanY = Math.min(spanXY[1], minSpanXY[1]); 574 if (minSpanX <= LauncherModel.getCellCountX() && 575 minSpanY <= LauncherModel.getCellCountY()) { 576 mWidgets.add(widget); 577 } 578 } else { 579 Log.e(TAG, "Widget " + widget.provider + " has invalid dimensions (" + 580 widget.minWidth + ", " + widget.minHeight + ")"); 581 } 582 } 583 mWidgets.addAll(shortcuts); 584 Collections.sort(mWidgets, 585 new LauncherModel.WidgetAndShortcutNameComparator(mPackageManager)); 586 Log.d(TAG, "6549598 updatePackages mWidgets.size(): " + mWidgets.size() + " wasEmpty: " + wasEmpty); 587 updatePageCounts(); 588 589 if (wasEmpty) { 590 // The next layout pass will trigger data-ready if both widgets and apps are set, so request 591 // a layout to do this test and invalidate the page data when ready. 592 if (testDataReady()) requestLayout(); 593 } else { 594 cancelAllTasks(); 595 invalidatePageData(); 596 } 597 } 598 599 @Override 600 public void onClick(View v) { 601 // When we have exited all apps or are in transition, disregard clicks 602 if (!mLauncher.isAllAppsCustomizeOpen() || 603 mLauncher.getWorkspace().isSwitchingState()) return; 604 605 if (v instanceof PagedViewIcon) { 606 // Animate some feedback to the click 607 final ApplicationInfo appInfo = (ApplicationInfo) v.getTag(); 608 609 // Lock the drawable state to pressed until we return to Launcher 610 if (mPressedIcon != null) { 611 mPressedIcon.lockDrawableState(); 612 } 613 614 // NOTE: We want all transitions from launcher to act as if the wallpaper were enabled 615 // to be consistent. So re-enable the flag here, and we will re-disable it as necessary 616 // when Launcher resumes and we are still in AllApps. 617 mLauncher.updateWallpaperVisibility(true); 618 mLauncher.startActivitySafely(v, appInfo.intent, appInfo); 619 620 } else if (v instanceof PagedViewWidget) { 621 // Let the user know that they have to long press to add a widget 622 Toast.makeText(getContext(), R.string.long_press_widget_to_add, 623 Toast.LENGTH_SHORT).show(); 624 625 // Create a little animation to show that the widget can move 626 float offsetY = getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY); 627 final ImageView p = (ImageView) v.findViewById(R.id.widget_preview); 628 AnimatorSet bounce = new AnimatorSet(); 629 ValueAnimator tyuAnim = ObjectAnimator.ofFloat(p, "translationY", offsetY); 630 tyuAnim.setDuration(125); 631 ValueAnimator tydAnim = ObjectAnimator.ofFloat(p, "translationY", 0f); 632 tydAnim.setDuration(100); 633 bounce.play(tyuAnim).before(tydAnim); 634 bounce.setInterpolator(new AccelerateInterpolator()); 635 bounce.start(); 636 } 637 } 638 639 public boolean onKey(View v, int keyCode, KeyEvent event) { 640 return FocusHelper.handleAppsCustomizeKeyEvent(v, keyCode, event); 641 } 642 643 /* 644 * PagedViewWithDraggableItems implementation 645 */ 646 @Override 647 protected void determineDraggingStart(android.view.MotionEvent ev) { 648 // Disable dragging by pulling an app down for now. 649 } 650 651 private void beginDraggingApplication(View v) { 652 mLauncher.getWorkspace().onDragStartedWithItem(v); 653 mLauncher.getWorkspace().beginDragShared(v, this); 654 } 655 656 private void preloadWidget(final PendingAddWidgetInfo info) { 657 final AppWidgetProviderInfo pInfo = info.info; 658 if (pInfo.configure != null) { 659 return; 660 } 661 662 mWidgetCleanupState = WIDGET_PRELOAD_PENDING; 663 mBindWidgetRunnable = new Runnable() { 664 @Override 665 public void run() { 666 mWidgetLoadingId = mLauncher.getAppWidgetHost().allocateAppWidgetId(); 667 if (AppWidgetManager.getInstance(mLauncher) 668 .bindAppWidgetIdIfAllowed(mWidgetLoadingId, info.componentName)) { 669 mWidgetCleanupState = WIDGET_BOUND; 670 } 671 } 672 }; 673 post(mBindWidgetRunnable); 674 675 mInflateWidgetRunnable = new Runnable() { 676 @Override 677 public void run() { 678 AppWidgetHostView hostView = mLauncher. 679 getAppWidgetHost().createView(getContext(), mWidgetLoadingId, pInfo); 680 info.boundWidget = hostView; 681 mWidgetCleanupState = WIDGET_INFLATED; 682 hostView.setVisibility(INVISIBLE); 683 int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(info.spanX, 684 info.spanY, info, false); 685 686 // We want the first widget layout to be the correct size. This will be important 687 // for width size reporting to the AppWidgetManager. 688 DragLayer.LayoutParams lp = new DragLayer.LayoutParams(unScaledSize[0], 689 unScaledSize[1]); 690 lp.x = lp.y = 0; 691 lp.customPosition = true; 692 hostView.setLayoutParams(lp); 693 mLauncher.getDragLayer().addView(hostView); 694 } 695 }; 696 post(mInflateWidgetRunnable); 697 } 698 699 @Override 700 public void onShortPress(View v) { 701 // We are anticipating a long press, and we use this time to load bind and instantiate 702 // the widget. This will need to be cleaned up if it turns out no long press occurs. 703 if (mCreateWidgetInfo != null) { 704 // Just in case the cleanup process wasn't properly executed. This shouldn't happen. 705 cleanupWidgetPreloading(false); 706 } 707 mCreateWidgetInfo = new PendingAddWidgetInfo((PendingAddWidgetInfo) v.getTag()); 708 preloadWidget(mCreateWidgetInfo); 709 } 710 711 private void cleanupWidgetPreloading(boolean widgetWasAdded) { 712 if (!widgetWasAdded) { 713 // If the widget was not added, we may need to do further cleanup. 714 PendingAddWidgetInfo info = mCreateWidgetInfo; 715 mCreateWidgetInfo = null; 716 717 if (mWidgetCleanupState == WIDGET_PRELOAD_PENDING) { 718 // We never did any preloading, so just remove pending callbacks to do so 719 removeCallbacks(mBindWidgetRunnable); 720 removeCallbacks(mInflateWidgetRunnable); 721 } else if (mWidgetCleanupState == WIDGET_BOUND) { 722 // Delete the widget id which was allocated 723 if (mWidgetLoadingId != -1) { 724 mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); 725 } 726 727 // We never got around to inflating the widget, so remove the callback to do so. 728 removeCallbacks(mInflateWidgetRunnable); 729 } else if (mWidgetCleanupState == WIDGET_INFLATED) { 730 // Delete the widget id which was allocated 731 if (mWidgetLoadingId != -1) { 732 mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); 733 } 734 735 // The widget was inflated and added to the DragLayer -- remove it. 736 AppWidgetHostView widget = info.boundWidget; 737 mLauncher.getDragLayer().removeView(widget); 738 } 739 } 740 mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED; 741 mWidgetLoadingId = -1; 742 mCreateWidgetInfo = null; 743 PagedViewWidget.resetShortPressTarget(); 744 } 745 746 @Override 747 public void cleanUpShortPress(View v) { 748 if (!mDraggingWidget) { 749 cleanupWidgetPreloading(false); 750 } 751 } 752 753 private boolean beginDraggingWidget(View v) { 754 mDraggingWidget = true; 755 // Get the widget preview as the drag representation 756 ImageView image = (ImageView) v.findViewById(R.id.widget_preview); 757 PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 758 759 // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and 760 // we abort the drag. 761 if (image.getDrawable() == null) { 762 mDraggingWidget = false; 763 return false; 764 } 765 766 // Compose the drag image 767 Bitmap preview; 768 Bitmap outline; 769 float scale = 1f; 770 if (createItemInfo instanceof PendingAddWidgetInfo) { 771 // This can happen in some weird cases involving multi-touch. We can't start dragging 772 // the widget if this is null, so we break out. 773 if (mCreateWidgetInfo == null) { 774 return false; 775 } 776 777 PendingAddWidgetInfo createWidgetInfo = mCreateWidgetInfo; 778 createItemInfo = createWidgetInfo; 779 int spanX = createItemInfo.spanX; 780 int spanY = createItemInfo.spanY; 781 int[] size = mLauncher.getWorkspace().estimateItemSize(spanX, spanY, 782 createWidgetInfo, true); 783 784 FastBitmapDrawable previewDrawable = (FastBitmapDrawable) image.getDrawable(); 785 float minScale = 1.25f; 786 int maxWidth, maxHeight; 787 maxWidth = Math.min((int) (previewDrawable.getIntrinsicWidth() * minScale), size[0]); 788 maxHeight = Math.min((int) (previewDrawable.getIntrinsicHeight() * minScale), size[1]); 789 preview = getWidgetPreview(createWidgetInfo.componentName, createWidgetInfo.previewImage, 790 createWidgetInfo.icon, spanX, spanY, maxWidth, maxHeight); 791 792 // Determine the image view drawable scale relative to the preview 793 float[] mv = new float[9]; 794 Matrix m = new Matrix(); 795 m.setRectToRect( 796 new RectF(0f, 0f, (float) preview.getWidth(), (float) preview.getHeight()), 797 new RectF(0f, 0f, (float) previewDrawable.getIntrinsicWidth(), 798 (float) previewDrawable.getIntrinsicHeight()), 799 Matrix.ScaleToFit.START); 800 m.getValues(mv); 801 scale = (float) mv[0]; 802 } else { 803 PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag(); 804 Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.shortcutActivityInfo); 805 preview = Bitmap.createBitmap(icon.getIntrinsicWidth(), 806 icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); 807 808 mCanvas.setBitmap(preview); 809 mCanvas.save(); 810 renderDrawableToBitmap(icon, preview, 0, 0, 811 icon.getIntrinsicWidth(), icon.getIntrinsicHeight()); 812 mCanvas.restore(); 813 mCanvas.setBitmap(null); 814 createItemInfo.spanX = createItemInfo.spanY = 1; 815 } 816 817 // We use a custom alpha clip table for the default widget previews 818 Paint alphaClipPaint = null; 819 if (createItemInfo instanceof PendingAddWidgetInfo) { 820 if (((PendingAddWidgetInfo) createItemInfo).previewImage != 0) { 821 MaskFilter alphaClipTable = TableMaskFilter.CreateClipTable(0, 255); 822 alphaClipPaint = new Paint(); 823 alphaClipPaint.setMaskFilter(alphaClipTable); 824 } 825 } 826 827 // Save the preview for the outline generation, then dim the preview 828 outline = Bitmap.createScaledBitmap(preview, preview.getWidth(), preview.getHeight(), 829 false); 830 831 // Start the drag 832 alphaClipPaint = null; 833 mLauncher.lockScreenOrientation(); 834 mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, outline, alphaClipPaint); 835 mDragController.startDrag(image, preview, this, createItemInfo, 836 DragController.DRAG_ACTION_COPY, null, scale); 837 outline.recycle(); 838 preview.recycle(); 839 return true; 840 } 841 842 @Override 843 protected boolean beginDragging(final View v) { 844 if (!super.beginDragging(v)) return false; 845 846 if (v instanceof PagedViewIcon) { 847 beginDraggingApplication(v); 848 } else if (v instanceof PagedViewWidget) { 849 if (!beginDraggingWidget(v)) { 850 return false; 851 } 852 } 853 854 // We delay entering spring-loaded mode slightly to make sure the UI 855 // thready is free of any work. 856 postDelayed(new Runnable() { 857 @Override 858 public void run() { 859 // We don't enter spring-loaded mode if the drag has been cancelled 860 if (mLauncher.getDragController().isDragging()) { 861 // Dismiss the cling 862 mLauncher.dismissAllAppsCling(null); 863 864 // Reset the alpha on the dragged icon before we drag 865 resetDrawableState(); 866 867 // Go into spring loaded mode (must happen before we startDrag()) 868 mLauncher.enterSpringLoadedDragMode(); 869 } 870 } 871 }, 150); 872 873 return true; 874 } 875 876 /** 877 * Clean up after dragging. 878 * 879 * @param target where the item was dragged to (can be null if the item was flung) 880 */ 881 private void endDragging(View target, boolean isFlingToDelete, boolean success) { 882 if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && 883 !(target instanceof DeleteDropTarget))) { 884 // Exit spring loaded mode if we have not successfully dropped or have not handled the 885 // drop in Workspace 886 mLauncher.exitSpringLoadedDragMode(); 887 } 888 mLauncher.unlockScreenOrientation(false); 889 } 890 891 @Override 892 public View getContent() { 893 return null; 894 } 895 896 @Override 897 public void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace) { 898 mInTransition = true; 899 if (toWorkspace) { 900 cancelAllTasks(); 901 } 902 } 903 904 @Override 905 public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) { 906 } 907 908 @Override 909 public void onLauncherTransitionStep(Launcher l, float t) { 910 } 911 912 @Override 913 public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) { 914 Log.d(TAG, "6549598 onLauncherTransitionEnd"); 915 mInTransition = false; 916 for (AsyncTaskPageData d : mDeferredSyncWidgetPageItems) { 917 onSyncWidgetPageItems(d); 918 } 919 mDeferredSyncWidgetPageItems.clear(); 920 mForceDrawAllChildrenNextFrame = !toWorkspace; 921 } 922 923 @Override 924 public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, 925 boolean success) { 926 // Return early and wait for onFlingToDeleteCompleted if this was the result of a fling 927 if (isFlingToDelete) return; 928 929 endDragging(target, false, success); 930 931 // Display an error message if the drag failed due to there not being enough space on the 932 // target layout we were dropping on. 933 if (!success) { 934 boolean showOutOfSpaceMessage = false; 935 if (target instanceof Workspace) { 936 int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 937 Workspace workspace = (Workspace) target; 938 CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 939 ItemInfo itemInfo = (ItemInfo) d.dragInfo; 940 if (layout != null) { 941 layout.calculateSpans(itemInfo); 942 showOutOfSpaceMessage = 943 !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 944 } 945 } 946 if (showOutOfSpaceMessage) { 947 mLauncher.showOutOfSpaceMessage(false); 948 } 949 950 d.deferDragViewCleanupPostAnimation = false; 951 } 952 cleanupWidgetPreloading(success); 953 mDraggingWidget = false; 954 } 955 956 @Override 957 public void onFlingToDeleteCompleted() { 958 // We just dismiss the drag when we fling, so cleanup here 959 endDragging(null, true, true); 960 cleanupWidgetPreloading(false); 961 mDraggingWidget = false; 962 } 963 964 @Override 965 public boolean supportsFlingToDelete() { 966 return true; 967 } 968 969 @Override 970 protected void onDetachedFromWindow() { 971 super.onDetachedFromWindow(); 972 cancelAllTasks(); 973 } 974 975 public void clearAllWidgetPages() { 976 cancelAllTasks(); 977 int count = getChildCount(); 978 for (int i = 0; i < count; i++) { 979 View v = getPageAt(i); 980 if (v instanceof PagedViewGridLayout) { 981 ((PagedViewGridLayout) v).removeAllViewsOnPage(); 982 mDirtyPageContent.set(i, true); 983 } 984 } 985 } 986 987 private void cancelAllTasks() { 988 // Clean up all the async tasks 989 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 990 while (iter.hasNext()) { 991 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 992 task.cancel(false); 993 iter.remove(); 994 mDirtyPageContent.set(task.page, true); 995 996 // We've already preallocated the views for the data to load into, so clear them as well 997 View v = getPageAt(task.page); 998 if (v instanceof PagedViewGridLayout) { 999 ((PagedViewGridLayout) v).removeAllViewsOnPage(); 1000 } 1001 } 1002 mDeferredSyncWidgetPageItems.clear(); 1003 } 1004 1005 public void setContentType(ContentType type) { 1006 Log.d(TAG, "6549598 setContentType mNumAppsPages: " + mNumAppsPages); 1007 if (type == ContentType.Widgets) { 1008 invalidatePageData(mNumAppsPages, true); 1009 } else if (type == ContentType.Applications) { 1010 invalidatePageData(0, true); 1011 } 1012 } 1013 1014 protected void snapToPage(int whichPage, int delta, int duration) { 1015 super.snapToPage(whichPage, delta, duration); 1016 updateCurrentTab(whichPage); 1017 1018 // Update the thread priorities given the direction lookahead 1019 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1020 while (iter.hasNext()) { 1021 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1022 int pageIndex = task.page; 1023 if ((mNextPage > mCurrentPage && pageIndex >= mCurrentPage) || 1024 (mNextPage < mCurrentPage && pageIndex <= mCurrentPage)) { 1025 task.setThreadPriority(getThreadPriorityForPage(pageIndex)); 1026 } else { 1027 task.setThreadPriority(Process.THREAD_PRIORITY_LOWEST); 1028 } 1029 } 1030 } 1031 1032 private void updateCurrentTab(int currentPage) { 1033 Log.d(TAG, "6549598 updateCurrentTab mNumAppsPages: " + mNumAppsPages); 1034 AppsCustomizeTabHost tabHost = getTabHost(); 1035 if (tabHost != null) { 1036 String tag = tabHost.getCurrentTabTag(); 1037 if (tag != null) { 1038 if (currentPage >= mNumAppsPages && 1039 !tag.equals(tabHost.getTabTagForContentType(ContentType.Widgets))) { 1040 tabHost.setCurrentTabFromContent(ContentType.Widgets); 1041 } else if (currentPage < mNumAppsPages && 1042 !tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) { 1043 tabHost.setCurrentTabFromContent(ContentType.Applications); 1044 } 1045 } 1046 } 1047 } 1048 1049 /* 1050 * Apps PagedView implementation 1051 */ 1052 private void setVisibilityOnChildren(ViewGroup layout, int visibility) { 1053 int childCount = layout.getChildCount(); 1054 for (int i = 0; i < childCount; ++i) { 1055 layout.getChildAt(i).setVisibility(visibility); 1056 } 1057 } 1058 private void setupPage(PagedViewCellLayout layout) { 1059 layout.setCellCount(mCellCountX, mCellCountY); 1060 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 1061 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 1062 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 1063 1064 // Note: We force a measure here to get around the fact that when we do layout calculations 1065 // immediately after syncing, we don't have a proper width. That said, we already know the 1066 // expected page width, so we can actually optimize by hiding all the TextView-based 1067 // children that are expensive to measure, and let that happen naturally later. 1068 setVisibilityOnChildren(layout, View.GONE); 1069 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 1070 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 1071 layout.setMinimumWidth(getPageContentWidth()); 1072 layout.measure(widthSpec, heightSpec); 1073 setVisibilityOnChildren(layout, View.VISIBLE); 1074 } 1075 1076 public void syncAppsPageItems(int page, boolean immediate) { 1077 Log.d(TAG, "6549598 syncAppsPageItems page: " + page); 1078 // ensure that we have the right number of items on the pages 1079 int numCells = mCellCountX * mCellCountY; 1080 int startIndex = page * numCells; 1081 int endIndex = Math.min(startIndex + numCells, mApps.size()); 1082 PagedViewCellLayout layout = (PagedViewCellLayout) getPageAt(page); 1083 1084 layout.removeAllViewsOnPage(); 1085 ArrayList<Object> items = new ArrayList<Object>(); 1086 ArrayList<Bitmap> images = new ArrayList<Bitmap>(); 1087 for (int i = startIndex; i < endIndex; ++i) { 1088 ApplicationInfo info = mApps.get(i); 1089 PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate( 1090 R.layout.apps_customize_application, layout, false); 1091 icon.applyFromApplicationInfo(info, true, this); 1092 icon.setOnClickListener(this); 1093 icon.setOnLongClickListener(this); 1094 icon.setOnTouchListener(this); 1095 icon.setOnKeyListener(this); 1096 1097 int index = i - startIndex; 1098 int x = index % mCellCountX; 1099 int y = index / mCellCountX; 1100 layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); 1101 1102 items.add(info); 1103 images.add(info.iconBitmap); 1104 } 1105 1106 layout.createHardwareLayers(); 1107 } 1108 1109 /** 1110 * A helper to return the priority for loading of the specified widget page. 1111 */ 1112 private int getWidgetPageLoadPriority(int page) { 1113 // If we are snapping to another page, use that index as the target page index 1114 int toPage = mCurrentPage; 1115 if (mNextPage > -1) { 1116 toPage = mNextPage; 1117 } 1118 1119 // We use the distance from the target page as an initial guess of priority, but if there 1120 // are no pages of higher priority than the page specified, then bump up the priority of 1121 // the specified page. 1122 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1123 int minPageDiff = Integer.MAX_VALUE; 1124 while (iter.hasNext()) { 1125 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1126 minPageDiff = Math.abs(task.page - toPage); 1127 } 1128 1129 int rawPageDiff = Math.abs(page - toPage); 1130 return rawPageDiff - Math.min(rawPageDiff, minPageDiff); 1131 } 1132 /** 1133 * Return the appropriate thread priority for loading for a given page (we give the current 1134 * page much higher priority) 1135 */ 1136 private int getThreadPriorityForPage(int page) { 1137 // TODO-APPS_CUSTOMIZE: detect number of cores and set thread priorities accordingly below 1138 int pageDiff = getWidgetPageLoadPriority(page); 1139 if (pageDiff <= 0) { 1140 return Process.THREAD_PRIORITY_LESS_FAVORABLE; 1141 } else if (pageDiff <= 1) { 1142 return Process.THREAD_PRIORITY_LOWEST; 1143 } else { 1144 return Process.THREAD_PRIORITY_LOWEST; 1145 } 1146 } 1147 private int getSleepForPage(int page) { 1148 int pageDiff = getWidgetPageLoadPriority(page); 1149 return Math.max(0, pageDiff * sPageSleepDelay); 1150 } 1151 /** 1152 * Creates and executes a new AsyncTask to load a page of widget previews. 1153 */ 1154 private void prepareLoadWidgetPreviewsTask(int page, ArrayList<Object> widgets, 1155 int cellWidth, int cellHeight, int cellCountX) { 1156 1157 // Prune all tasks that are no longer needed 1158 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1159 while (iter.hasNext()) { 1160 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1161 int taskPage = task.page; 1162 if (taskPage < getAssociatedLowerPageBound(mCurrentPage) || 1163 taskPage > getAssociatedUpperPageBound(mCurrentPage)) { 1164 task.cancel(false); 1165 iter.remove(); 1166 } else { 1167 task.setThreadPriority(getThreadPriorityForPage(taskPage)); 1168 } 1169 } 1170 1171 // We introduce a slight delay to order the loading of side pages so that we don't thrash 1172 final int sleepMs = getSleepForPage(page); 1173 AsyncTaskPageData pageData = new AsyncTaskPageData(page, widgets, cellWidth, cellHeight, 1174 new AsyncTaskCallback() { 1175 @Override 1176 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 1177 try { 1178 try { 1179 Thread.sleep(sleepMs); 1180 } catch (Exception e) {} 1181 loadWidgetPreviewsInBackground(task, data); 1182 } finally { 1183 if (task.isCancelled()) { 1184 data.cleanup(true); 1185 } 1186 } 1187 } 1188 }, 1189 new AsyncTaskCallback() { 1190 @Override 1191 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 1192 mRunningTasks.remove(task); 1193 if (task.isCancelled()) return; 1194 // do cleanup inside onSyncWidgetPageItems 1195 onSyncWidgetPageItems(data); 1196 } 1197 }); 1198 1199 // Ensure that the task is appropriately prioritized and runs in parallel 1200 AppsCustomizeAsyncTask t = new AppsCustomizeAsyncTask(page, 1201 AsyncTaskPageData.Type.LoadWidgetPreviewData); 1202 t.setThreadPriority(getThreadPriorityForPage(page)); 1203 t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pageData); 1204 mRunningTasks.add(t); 1205 } 1206 1207 /* 1208 * Widgets PagedView implementation 1209 */ 1210 private void setupPage(PagedViewGridLayout layout) { 1211 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 1212 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 1213 1214 // Note: We force a measure here to get around the fact that when we do layout calculations 1215 // immediately after syncing, we don't have a proper width. 1216 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 1217 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 1218 layout.setMinimumWidth(getPageContentWidth()); 1219 layout.measure(widthSpec, heightSpec); 1220 } 1221 1222 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h) { 1223 renderDrawableToBitmap(d, bitmap, x, y, w, h, 1f); 1224 } 1225 1226 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 1227 float scale) { 1228 if (bitmap != null) { 1229 Canvas c = new Canvas(bitmap); 1230 c.scale(scale, scale); 1231 Rect oldBounds = d.copyBounds(); 1232 d.setBounds(x, y, x + w, y + h); 1233 d.draw(c); 1234 d.setBounds(oldBounds); // Restore the bounds 1235 c.setBitmap(null); 1236 } 1237 } 1238 1239 private Bitmap getShortcutPreview(ResolveInfo info, int maxWidth, int maxHeight) { 1240 Bitmap tempBitmap = mCachedShortcutPreviewBitmap.get(); 1241 final Canvas c = mCachedShortcutPreviewCanvas.get(); 1242 if (tempBitmap == null || 1243 tempBitmap.getWidth() != maxWidth || 1244 tempBitmap.getHeight() != maxHeight) { 1245 tempBitmap = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 1246 mCachedShortcutPreviewBitmap.set(tempBitmap); 1247 } else { 1248 c.setBitmap(tempBitmap); 1249 c.drawColor(0, PorterDuff.Mode.CLEAR); 1250 c.setBitmap(null); 1251 } 1252 // Render the icon 1253 Drawable icon = mIconCache.getFullResIcon(info); 1254 1255 int paddingTop = 1256 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_top); 1257 int paddingLeft = 1258 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_left); 1259 int paddingRight = 1260 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_right); 1261 1262 int scaledIconWidth = (maxWidth - paddingLeft - paddingRight); 1263 float scaleSize = scaledIconWidth / (float) mAppIconSize; 1264 1265 renderDrawableToBitmap( 1266 icon, tempBitmap, paddingLeft, paddingTop, scaledIconWidth, scaledIconWidth); 1267 1268 Bitmap preview = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 1269 c.setBitmap(preview); 1270 Paint p = mCachedShortcutPreviewPaint.get(); 1271 if (p == null) { 1272 p = new Paint(); 1273 ColorMatrix colorMatrix = new ColorMatrix(); 1274 colorMatrix.setSaturation(0); 1275 p.setColorFilter(new ColorMatrixColorFilter(colorMatrix)); 1276 p.setAlpha((int) (255 * 0.06f)); 1277 //float density = 1f; 1278 //p.setMaskFilter(new BlurMaskFilter(15*density, BlurMaskFilter.Blur.NORMAL)); 1279 mCachedShortcutPreviewPaint.set(p); 1280 } 1281 c.drawBitmap(tempBitmap, 0, 0, p); 1282 c.setBitmap(null); 1283 1284 renderDrawableToBitmap(icon, preview, 0, 0, mAppIconSize, mAppIconSize); 1285 1286 return preview; 1287 } 1288 1289 private Bitmap getWidgetPreview(ComponentName provider, int previewImage, 1290 int iconId, int cellHSpan, int cellVSpan, int maxWidth, 1291 int maxHeight) { 1292 // Load the preview image if possible 1293 String packageName = provider.getPackageName(); 1294 if (maxWidth < 0) maxWidth = Integer.MAX_VALUE; 1295 if (maxHeight < 0) maxHeight = Integer.MAX_VALUE; 1296 1297 Drawable drawable = null; 1298 if (previewImage != 0) { 1299 drawable = mPackageManager.getDrawable(packageName, previewImage, null); 1300 if (drawable == null) { 1301 Log.w(TAG, "Can't load widget preview drawable 0x" + 1302 Integer.toHexString(previewImage) + " for provider: " + provider); 1303 } 1304 } 1305 1306 int bitmapWidth; 1307 int bitmapHeight; 1308 Bitmap defaultPreview = null; 1309 boolean widgetPreviewExists = (drawable != null); 1310 if (widgetPreviewExists) { 1311 bitmapWidth = drawable.getIntrinsicWidth(); 1312 bitmapHeight = drawable.getIntrinsicHeight(); 1313 } else { 1314 // Generate a preview image if we couldn't load one 1315 if (cellHSpan < 1) cellHSpan = 1; 1316 if (cellVSpan < 1) cellVSpan = 1; 1317 1318 BitmapDrawable previewDrawable = (BitmapDrawable) getResources() 1319 .getDrawable(R.drawable.widget_preview_tile); 1320 final int previewDrawableWidth = previewDrawable 1321 .getIntrinsicWidth(); 1322 final int previewDrawableHeight = previewDrawable 1323 .getIntrinsicHeight(); 1324 bitmapWidth = previewDrawableWidth * cellHSpan; // subtract 2 dips 1325 bitmapHeight = previewDrawableHeight * cellVSpan; 1326 1327 defaultPreview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, 1328 Config.ARGB_8888); 1329 final Canvas c = mCachedAppWidgetPreviewCanvas.get(); 1330 c.setBitmap(defaultPreview); 1331 previewDrawable.setBounds(0, 0, bitmapWidth, bitmapHeight); 1332 previewDrawable.setTileModeXY(Shader.TileMode.REPEAT, 1333 Shader.TileMode.REPEAT); 1334 previewDrawable.draw(c); 1335 c.setBitmap(null); 1336 1337 // Draw the icon in the top left corner 1338 int minOffset = (int) (mAppIconSize * sWidgetPreviewIconPaddingPercentage); 1339 int smallestSide = Math.min(bitmapWidth, bitmapHeight); 1340 float iconScale = Math.min((float) smallestSide 1341 / (mAppIconSize + 2 * minOffset), 1f); 1342 1343 try { 1344 Drawable icon = null; 1345 int hoffset = 1346 (int) ((previewDrawableWidth - mAppIconSize * iconScale) / 2); 1347 int yoffset = 1348 (int) ((previewDrawableHeight - mAppIconSize * iconScale) / 2); 1349 if (iconId > 0) 1350 icon = mIconCache.getFullResIcon(packageName, iconId); 1351 Resources resources = mLauncher.getResources(); 1352 if (icon != null) { 1353 renderDrawableToBitmap(icon, defaultPreview, hoffset, 1354 yoffset, (int) (mAppIconSize * iconScale), 1355 (int) (mAppIconSize * iconScale)); 1356 } 1357 } catch (Resources.NotFoundException e) { 1358 } 1359 } 1360 1361 // Scale to fit width only - let the widget preview be clipped in the 1362 // vertical dimension 1363 float scale = 1f; 1364 if (bitmapWidth > maxWidth) { 1365 scale = maxWidth / (float) bitmapWidth; 1366 } 1367 if (scale != 1f) { 1368 bitmapWidth = (int) (scale * bitmapWidth); 1369 bitmapHeight = (int) (scale * bitmapHeight); 1370 } 1371 1372 Bitmap preview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, 1373 Config.ARGB_8888); 1374 1375 // Draw the scaled preview into the final bitmap 1376 if (widgetPreviewExists) { 1377 renderDrawableToBitmap(drawable, preview, 0, 0, bitmapWidth, 1378 bitmapHeight); 1379 } else { 1380 final Canvas c = mCachedAppWidgetPreviewCanvas.get(); 1381 final Rect src = mCachedAppWidgetPreviewSrcRect.get(); 1382 final Rect dest = mCachedAppWidgetPreviewDestRect.get(); 1383 c.setBitmap(preview); 1384 src.set(0, 0, defaultPreview.getWidth(), defaultPreview.getHeight()); 1385 dest.set(0, 0, preview.getWidth(), preview.getHeight()); 1386 1387 Paint p = mCachedAppWidgetPreviewPaint.get(); 1388 if (p == null) { 1389 p = new Paint(); 1390 p.setFilterBitmap(true); 1391 mCachedAppWidgetPreviewPaint.set(p); 1392 } 1393 c.drawBitmap(defaultPreview, src, dest, p); 1394 c.setBitmap(null); 1395 } 1396 return preview; 1397 } 1398 1399 public void syncWidgetPageItems(final int page, final boolean immediate) { 1400 Log.d(TAG, "6549598 syncWidgetPageItems page: " + page); 1401 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 1402 1403 // Calculate the dimensions of each cell we are giving to each widget 1404 final ArrayList<Object> items = new ArrayList<Object>(); 1405 int contentWidth = mWidgetSpacingLayout.getContentWidth(); 1406 final int cellWidth = ((contentWidth - mPageLayoutPaddingLeft - mPageLayoutPaddingRight 1407 - ((mWidgetCountX - 1) * mWidgetWidthGap)) / mWidgetCountX); 1408 int contentHeight = mWidgetSpacingLayout.getContentHeight(); 1409 final int cellHeight = ((contentHeight - mPageLayoutPaddingTop - mPageLayoutPaddingBottom 1410 - ((mWidgetCountY - 1) * mWidgetHeightGap)) / mWidgetCountY); 1411 1412 // Prepare the set of widgets to load previews for in the background 1413 int offset = (page - mNumAppsPages) * numItemsPerPage; 1414 for (int i = offset; i < Math.min(offset + numItemsPerPage, mWidgets.size()); ++i) { 1415 items.add(mWidgets.get(i)); 1416 } 1417 1418 // Prepopulate the pages with the other widget info, and fill in the previews later 1419 final PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); 1420 layout.setColumnCount(layout.getCellCountX()); 1421 for (int i = 0; i < items.size(); ++i) { 1422 Object rawInfo = items.get(i); 1423 PendingAddItemInfo createItemInfo = null; 1424 PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate( 1425 R.layout.apps_customize_widget, layout, false); 1426 if (rawInfo instanceof AppWidgetProviderInfo) { 1427 // Fill in the widget information 1428 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1429 createItemInfo = new PendingAddWidgetInfo(info, null, null); 1430 1431 // Determine the widget spans and min resize spans. 1432 int[] spanXY = Launcher.getSpanForWidget(mLauncher, info); 1433 createItemInfo.spanX = spanXY[0]; 1434 createItemInfo.spanY = spanXY[1]; 1435 int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, info); 1436 createItemInfo.minSpanX = minSpanXY[0]; 1437 createItemInfo.minSpanY = minSpanXY[1]; 1438 1439 widget.applyFromAppWidgetProviderInfo(info, -1, spanXY); 1440 widget.setTag(createItemInfo); 1441 widget.setShortPressListener(this); 1442 } else if (rawInfo instanceof ResolveInfo) { 1443 // Fill in the shortcuts information 1444 ResolveInfo info = (ResolveInfo) rawInfo; 1445 createItemInfo = new PendingAddShortcutInfo(info.activityInfo); 1446 createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 1447 createItemInfo.componentName = new ComponentName(info.activityInfo.packageName, 1448 info.activityInfo.name); 1449 widget.applyFromResolveInfo(mPackageManager, info); 1450 widget.setTag(createItemInfo); 1451 } 1452 widget.setOnClickListener(this); 1453 widget.setOnLongClickListener(this); 1454 widget.setOnTouchListener(this); 1455 widget.setOnKeyListener(this); 1456 1457 // Layout each widget 1458 int ix = i % mWidgetCountX; 1459 int iy = i / mWidgetCountX; 1460 GridLayout.LayoutParams lp = new GridLayout.LayoutParams( 1461 GridLayout.spec(iy, GridLayout.LEFT), 1462 GridLayout.spec(ix, GridLayout.TOP)); 1463 lp.width = cellWidth; 1464 lp.height = cellHeight; 1465 lp.setGravity(Gravity.TOP | Gravity.LEFT); 1466 if (ix > 0) lp.leftMargin = mWidgetWidthGap; 1467 if (iy > 0) lp.topMargin = mWidgetHeightGap; 1468 layout.addView(widget, lp); 1469 } 1470 1471 // wait until a call on onLayout to start loading, because 1472 // PagedViewWidget.getPreviewSize() will return 0 if it hasn't been laid out 1473 // TODO: can we do a measure/layout immediately? 1474 layout.setOnLayoutListener(new Runnable() { 1475 public void run() { 1476 // Load the widget previews 1477 int maxPreviewWidth = cellWidth; 1478 int maxPreviewHeight = cellHeight; 1479 if (layout.getChildCount() > 0) { 1480 PagedViewWidget w = (PagedViewWidget) layout.getChildAt(0); 1481 int[] maxSize = w.getPreviewSize(); 1482 maxPreviewWidth = maxSize[0]; 1483 maxPreviewHeight = maxSize[1]; 1484 } 1485 if (immediate) { 1486 AsyncTaskPageData data = new AsyncTaskPageData(page, items, 1487 maxPreviewWidth, maxPreviewHeight, null, null); 1488 loadWidgetPreviewsInBackground(null, data); 1489 onSyncWidgetPageItems(data); 1490 } else { 1491 prepareLoadWidgetPreviewsTask(page, items, 1492 maxPreviewWidth, maxPreviewHeight, mWidgetCountX); 1493 } 1494 } 1495 }); 1496 } 1497 private void loadWidgetPreviewsInBackground(AppsCustomizeAsyncTask task, 1498 AsyncTaskPageData data) { 1499 // loadWidgetPreviewsInBackground can be called without a task to load a set of widget 1500 // previews synchronously 1501 if (task != null) { 1502 // Ensure that this task starts running at the correct priority 1503 task.syncThreadPriority(); 1504 } 1505 1506 // Load each of the widget/shortcut previews 1507 ArrayList<Object> items = data.items; 1508 ArrayList<Bitmap> images = data.generatedImages; 1509 int count = items.size(); 1510 for (int i = 0; i < count; ++i) { 1511 if (task != null) { 1512 // Ensure we haven't been cancelled yet 1513 if (task.isCancelled()) break; 1514 // Before work on each item, ensure that this task is running at the correct 1515 // priority 1516 task.syncThreadPriority(); 1517 } 1518 1519 Object rawInfo = items.get(i); 1520 if (rawInfo instanceof AppWidgetProviderInfo) { 1521 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1522 int[] cellSpans = Launcher.getSpanForWidget(mLauncher, info); 1523 1524 int maxWidth = Math.min(data.maxImageWidth, 1525 mWidgetSpacingLayout.estimateCellWidth(cellSpans[0])); 1526 int maxHeight = Math.min(data.maxImageHeight, 1527 mWidgetSpacingLayout.estimateCellHeight(cellSpans[1])); 1528 Bitmap b = getWidgetPreview(info.provider, info.previewImage, info.icon, 1529 cellSpans[0], cellSpans[1], maxWidth, maxHeight); 1530 images.add(b); 1531 } else if (rawInfo instanceof ResolveInfo) { 1532 // Fill in the shortcuts information 1533 ResolveInfo info = (ResolveInfo) rawInfo; 1534 images.add(getShortcutPreview(info, data.maxImageWidth, data.maxImageHeight)); 1535 } 1536 } 1537 } 1538 1539 private void onSyncWidgetPageItems(AsyncTaskPageData data) { 1540 if (mInTransition) { 1541 mDeferredSyncWidgetPageItems.add(data); 1542 return; 1543 } 1544 try { 1545 int page = data.page; 1546 PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); 1547 1548 ArrayList<Object> items = data.items; 1549 int count = items.size(); 1550 for (int i = 0; i < count; ++i) { 1551 PagedViewWidget widget = (PagedViewWidget) layout.getChildAt(i); 1552 if (widget != null) { 1553 Bitmap preview = data.generatedImages.get(i); 1554 widget.applyPreview(new FastBitmapDrawable(preview), i); 1555 } 1556 } 1557 1558 layout.createHardwareLayer(); 1559 invalidate(); 1560 1561 // Update all thread priorities 1562 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1563 while (iter.hasNext()) { 1564 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1565 int pageIndex = task.page; 1566 task.setThreadPriority(getThreadPriorityForPage(pageIndex)); 1567 } 1568 } finally { 1569 data.cleanup(false); 1570 } 1571 } 1572 1573 @Override 1574 public void syncPages() { 1575 removeAllViews(); 1576 cancelAllTasks(); 1577 1578 Context context = getContext(); 1579 for (int j = 0; j < mNumWidgetPages; ++j) { 1580 PagedViewGridLayout layout = new PagedViewGridLayout(context, mWidgetCountX, 1581 mWidgetCountY); 1582 setupPage(layout); 1583 addView(layout, new PagedView.LayoutParams(LayoutParams.MATCH_PARENT, 1584 LayoutParams.MATCH_PARENT)); 1585 } 1586 1587 for (int i = 0; i < mNumAppsPages; ++i) { 1588 PagedViewCellLayout layout = new PagedViewCellLayout(context); 1589 setupPage(layout); 1590 addView(layout); 1591 } 1592 1593 Log.d(TAG, "6549598 syncPages mNumAppsPages: " + mNumAppsPages + " mNumWidgetPages: " + mNumWidgetPages); 1594 } 1595 1596 @Override 1597 public void syncPageItems(int page, boolean immediate) { 1598 Log.d(TAG, "6549598 syncPageItems page: " + page + " immediate: " + immediate); 1599 if (page < mNumAppsPages) { 1600 syncAppsPageItems(page, immediate); 1601 } else { 1602 syncWidgetPageItems(page, immediate); 1603 } 1604 } 1605 1606 // We want our pages to be z-ordered such that the further a page is to the left, the higher 1607 // it is in the z-order. This is important to insure touch events are handled correctly. 1608 View getPageAt(int index) { 1609 return getChildAt(indexToPage(index)); 1610 } 1611 1612 @Override 1613 protected int indexToPage(int index) { 1614 return getChildCount() - index - 1; 1615 } 1616 1617 // In apps customize, we have a scrolling effect which emulates pulling cards off of a stack. 1618 @Override 1619 protected void screenScrolled(int screenCenter) { 1620 super.screenScrolled(screenCenter); 1621 1622 for (int i = 0; i < getChildCount(); i++) { 1623 View v = getPageAt(i); 1624 if (v != null) { 1625 float scrollProgress = getScrollProgress(screenCenter, v, i); 1626 1627 float interpolatedProgress = 1628 mZInterpolator.getInterpolation(Math.abs(Math.min(scrollProgress, 0))); 1629 float scale = (1 - interpolatedProgress) + 1630 interpolatedProgress * TRANSITION_SCALE_FACTOR; 1631 float translationX = Math.min(0, scrollProgress) * v.getMeasuredWidth(); 1632 1633 float alpha; 1634 1635 if (scrollProgress < 0) { 1636 alpha = scrollProgress < 0 ? mAlphaInterpolator.getInterpolation( 1637 1 - Math.abs(scrollProgress)) : 1.0f; 1638 } else { 1639 // On large screens we need to fade the page as it nears its leftmost position 1640 alpha = mLeftScreenAlphaInterpolator.getInterpolation(1 - scrollProgress); 1641 } 1642 1643 v.setCameraDistance(mDensity * CAMERA_DISTANCE); 1644 int pageWidth = v.getMeasuredWidth(); 1645 int pageHeight = v.getMeasuredHeight(); 1646 1647 if (PERFORM_OVERSCROLL_ROTATION) { 1648 if (i == 0 && scrollProgress < 0) { 1649 // Overscroll to the left 1650 v.setPivotX(TRANSITION_PIVOT * pageWidth); 1651 v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress); 1652 scale = 1.0f; 1653 alpha = 1.0f; 1654 // On the first page, we don't want the page to have any lateral motion 1655 translationX = 0; 1656 } else if (i == getChildCount() - 1 && scrollProgress > 0) { 1657 // Overscroll to the right 1658 v.setPivotX((1 - TRANSITION_PIVOT) * pageWidth); 1659 v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress); 1660 scale = 1.0f; 1661 alpha = 1.0f; 1662 // On the last page, we don't want the page to have any lateral motion. 1663 translationX = 0; 1664 } else { 1665 v.setPivotY(pageHeight / 2.0f); 1666 v.setPivotX(pageWidth / 2.0f); 1667 v.setRotationY(0f); 1668 } 1669 } 1670 1671 v.setTranslationX(translationX); 1672 v.setScaleX(scale); 1673 v.setScaleY(scale); 1674 v.setAlpha(alpha); 1675 1676 // If the view has 0 alpha, we set it to be invisible so as to prevent 1677 // it from accepting touches 1678 if (alpha == 0) { 1679 v.setVisibility(INVISIBLE); 1680 } else if (v.getVisibility() != VISIBLE) { 1681 v.setVisibility(VISIBLE); 1682 } 1683 } 1684 } 1685 } 1686 1687 protected void overScroll(float amount) { 1688 acceleratedOverScroll(amount); 1689 } 1690 1691 /** 1692 * Used by the parent to get the content width to set the tab bar to 1693 * @return 1694 */ 1695 public int getPageContentWidth() { 1696 return mContentWidth; 1697 } 1698 1699 @Override 1700 protected void onPageEndMoving() { 1701 super.onPageEndMoving(); 1702 mForceDrawAllChildrenNextFrame = true; 1703 // We reset the save index when we change pages so that it will be recalculated on next 1704 // rotation 1705 mSaveInstanceStateItemIndex = -1; 1706 } 1707 1708 /* 1709 * AllAppsView implementation 1710 */ 1711 @Override 1712 public void setup(Launcher launcher, DragController dragController) { 1713 mLauncher = launcher; 1714 mDragController = dragController; 1715 } 1716 @Override 1717 public void zoom(float zoom, boolean animate) { 1718 // TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed() 1719 } 1720 @Override 1721 public boolean isVisible() { 1722 return (getVisibility() == VISIBLE); 1723 } 1724 @Override 1725 public boolean isAnimating() { 1726 return false; 1727 } 1728 @Override 1729 public void setApps(ArrayList<ApplicationInfo> list) { 1730 mApps = list; 1731 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); 1732 Log.d(TAG, "6549598 setApps mApps.size(): " + mApps.size()); 1733 updatePageCounts(); 1734 1735 // The next layout pass will trigger data-ready if both widgets and apps are set, so 1736 // request a layout to do this test and invalidate the page data when ready. 1737 if (testDataReady()) requestLayout(); 1738 } 1739 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1740 // We add it in place, in alphabetical order 1741 int count = list.size(); 1742 for (int i = 0; i < count; ++i) { 1743 ApplicationInfo info = list.get(i); 1744 int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); 1745 if (index < 0) { 1746 mApps.add(-(index + 1), info); 1747 } 1748 } 1749 } 1750 @Override 1751 public void addApps(ArrayList<ApplicationInfo> list) { 1752 addAppsWithoutInvalidate(list); 1753 Log.d(TAG, "6549598 addApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1754 updatePageCounts(); 1755 invalidatePageData(); 1756 Log.d(TAG, "6549598 addApps mNumAppsPages: " + mNumAppsPages); 1757 } 1758 private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { 1759 ComponentName removeComponent = item.intent.getComponent(); 1760 int length = list.size(); 1761 for (int i = 0; i < length; ++i) { 1762 ApplicationInfo info = list.get(i); 1763 if (info.intent.getComponent().equals(removeComponent)) { 1764 return i; 1765 } 1766 } 1767 return -1; 1768 } 1769 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1770 // loop through all the apps and remove apps that have the same component 1771 int length = list.size(); 1772 for (int i = 0; i < length; ++i) { 1773 ApplicationInfo info = list.get(i); 1774 int removeIndex = findAppByComponent(mApps, info); 1775 if (removeIndex > -1) { 1776 mApps.remove(removeIndex); 1777 } 1778 } 1779 } 1780 @Override 1781 public void removeApps(ArrayList<ApplicationInfo> list) { 1782 removeAppsWithoutInvalidate(list); 1783 Log.d(TAG, "6549598 removeApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1784 updatePageCounts(); 1785 invalidatePageData(); 1786 Log.d(TAG, "6549598 removeApps mNumAppsPages: " + mNumAppsPages); 1787 } 1788 @Override 1789 public void updateApps(ArrayList<ApplicationInfo> list) { 1790 // We remove and re-add the updated applications list because it's properties may have 1791 // changed (ie. the title), and this will ensure that the items will be in their proper 1792 // place in the list. 1793 removeAppsWithoutInvalidate(list); 1794 addAppsWithoutInvalidate(list); 1795 Log.d(TAG, "6549598 updateApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1796 updatePageCounts(); 1797 invalidatePageData(); 1798 Log.d(TAG, "6549598 updateApps mNumAppsPages: " + mNumAppsPages); 1799 } 1800 1801 @Override 1802 public void reset() { 1803 Log.d(TAG, "6549598 reset"); 1804 // If we have reset, then we should not continue to restore the previous state 1805 mSaveInstanceStateItemIndex = -1; 1806 1807 AppsCustomizeTabHost tabHost = getTabHost(); 1808 String tag = tabHost.getCurrentTabTag(); 1809 if (tag != null) { 1810 if (!tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) { 1811 tabHost.setCurrentTabFromContent(ContentType.Applications); 1812 } 1813 } 1814 1815 if (mCurrentPage != 0) { 1816 invalidatePageData(0); 1817 } 1818 } 1819 1820 private AppsCustomizeTabHost getTabHost() { 1821 return (AppsCustomizeTabHost) mLauncher.findViewById(R.id.apps_customize_pane); 1822 } 1823 1824 @Override 1825 public void dumpState() { 1826 // TODO: Dump information related to current list of Applications, Widgets, etc. 1827 ApplicationInfo.dumpApplicationInfoList(TAG, "mApps", mApps); 1828 dumpAppWidgetProviderInfoList(TAG, "mWidgets", mWidgets); 1829 } 1830 1831 private void dumpAppWidgetProviderInfoList(String tag, String label, 1832 ArrayList<Object> list) { 1833 Log.d(tag, label + " size=" + list.size()); 1834 for (Object i: list) { 1835 if (i instanceof AppWidgetProviderInfo) { 1836 AppWidgetProviderInfo info = (AppWidgetProviderInfo) i; 1837 Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage 1838 + " resizeMode=" + info.resizeMode + " configure=" + info.configure 1839 + " initialLayout=" + info.initialLayout 1840 + " minWidth=" + info.minWidth + " minHeight=" + info.minHeight); 1841 } else if (i instanceof ResolveInfo) { 1842 ResolveInfo info = (ResolveInfo) i; 1843 Log.d(tag, " label=\"" + info.loadLabel(mPackageManager) + "\" icon=" 1844 + info.icon); 1845 } 1846 } 1847 } 1848 1849 @Override 1850 public void surrender() { 1851 // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we 1852 // should stop this now. 1853 1854 // Stop all background tasks 1855 cancelAllTasks(); 1856 } 1857 1858 @Override 1859 public void iconPressed(PagedViewIcon icon) { 1860 // Reset the previously pressed icon and store a reference to the pressed icon so that 1861 // we can reset it on return to Launcher (in Launcher.onResume()) 1862 if (mPressedIcon != null) { 1863 mPressedIcon.resetDrawableState(); 1864 } 1865 mPressedIcon = icon; 1866 } 1867 1868 public void resetDrawableState() { 1869 if (mPressedIcon != null) { 1870 mPressedIcon.resetDrawableState(); 1871 mPressedIcon = null; 1872 } 1873 } 1874 1875 /* 1876 * We load an extra page on each side to prevent flashes from scrolling and loading of the 1877 * widget previews in the background with the AsyncTasks. 1878 */ 1879 final static int sLookBehindPageCount = 2; 1880 final static int sLookAheadPageCount = 2; 1881 protected int getAssociatedLowerPageBound(int page) { 1882 final int count = getChildCount(); 1883 int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); 1884 int windowMinIndex = Math.max(Math.min(page - sLookBehindPageCount, count - windowSize), 0); 1885 return windowMinIndex; 1886 } 1887 protected int getAssociatedUpperPageBound(int page) { 1888 final int count = getChildCount(); 1889 int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); 1890 int windowMaxIndex = Math.min(Math.max(page + sLookAheadPageCount, windowSize - 1), 1891 count - 1); 1892 return windowMaxIndex; 1893 } 1894 1895 @Override 1896 protected String getCurrentPageDescription() { 1897 int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage; 1898 int stringId = R.string.default_scroll_format; 1899 int count = 0; 1900 1901 if (page < mNumAppsPages) { 1902 stringId = R.string.apps_customize_apps_scroll_format; 1903 count = mNumAppsPages; 1904 } else { 1905 page -= mNumAppsPages; 1906 stringId = R.string.apps_customize_widgets_scroll_format; 1907 count = mNumWidgetPages; 1908 } 1909 1910 return String.format(getContext().getString(stringId), page + 1, count); 1911 } 1912} 1913