AppsCustomizePagedView.java revision 9bc8eba3338455c5d915055e8ba044981c512dfa
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.MaskFilter; 39import android.graphics.Matrix; 40import android.graphics.Paint; 41import android.graphics.PorterDuff; 42import android.graphics.Rect; 43import android.graphics.RectF; 44import android.graphics.Shader; 45import android.graphics.TableMaskFilter; 46import android.graphics.drawable.BitmapDrawable; 47import android.graphics.drawable.Drawable; 48import android.os.AsyncTask; 49import android.os.Process; 50import android.util.AttributeSet; 51import android.util.Log; 52import android.view.Gravity; 53import android.view.KeyEvent; 54import android.view.LayoutInflater; 55import android.view.MotionEvent; 56import android.view.View; 57import android.view.ViewGroup; 58import android.view.animation.AccelerateInterpolator; 59import android.view.animation.DecelerateInterpolator; 60import android.widget.GridLayout; 61import android.widget.ImageView; 62import android.widget.Toast; 63 64import com.android.launcher.R; 65import com.android.launcher2.DropTarget.DragObject; 66 67import java.lang.ref.WeakReference; 68import java.util.ArrayList; 69import java.util.Collections; 70import java.util.Iterator; 71import java.util.List; 72 73/** 74 * A simple callback interface which also provides the results of the task. 75 */ 76interface AsyncTaskCallback { 77 void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data); 78} 79 80/** 81 * The data needed to perform either of the custom AsyncTasks. 82 */ 83class AsyncTaskPageData { 84 enum Type { 85 LoadWidgetPreviewData 86 } 87 88 AsyncTaskPageData(int p, ArrayList<Object> l, ArrayList<Bitmap> si, AsyncTaskCallback bgR, 89 AsyncTaskCallback postR) { 90 page = p; 91 items = l; 92 sourceImages = si; 93 generatedImages = new ArrayList<Bitmap>(); 94 maxImageWidth = maxImageHeight = -1; 95 doInBackgroundCallback = bgR; 96 postExecuteCallback = postR; 97 } 98 AsyncTaskPageData(int p, ArrayList<Object> l, int cw, int ch, AsyncTaskCallback bgR, 99 AsyncTaskCallback postR) { 100 page = p; 101 items = l; 102 generatedImages = new ArrayList<Bitmap>(); 103 maxImageWidth = cw; 104 maxImageHeight = ch; 105 doInBackgroundCallback = bgR; 106 postExecuteCallback = postR; 107 } 108 void cleanup(boolean cancelled) { 109 // Clean up any references to source/generated bitmaps 110 if (sourceImages != null) { 111 if (cancelled) { 112 for (Bitmap b : sourceImages) { 113 b.recycle(); 114 } 115 } 116 sourceImages.clear(); 117 } 118 if (generatedImages != null) { 119 if (cancelled) { 120 for (Bitmap b : generatedImages) { 121 b.recycle(); 122 } 123 } 124 generatedImages.clear(); 125 } 126 } 127 int page; 128 ArrayList<Object> items; 129 ArrayList<Bitmap> sourceImages; 130 ArrayList<Bitmap> generatedImages; 131 int maxImageWidth; 132 int maxImageHeight; 133 AsyncTaskCallback doInBackgroundCallback; 134 AsyncTaskCallback postExecuteCallback; 135} 136 137/** 138 * A generic template for an async task used in AppsCustomize. 139 */ 140class AppsCustomizeAsyncTask extends AsyncTask<AsyncTaskPageData, Void, AsyncTaskPageData> { 141 AppsCustomizeAsyncTask(int p, AsyncTaskPageData.Type ty) { 142 page = p; 143 threadPriority = Process.THREAD_PRIORITY_DEFAULT; 144 dataType = ty; 145 } 146 @Override 147 protected AsyncTaskPageData doInBackground(AsyncTaskPageData... params) { 148 if (params.length != 1) return null; 149 // Load each of the widget previews in the background 150 params[0].doInBackgroundCallback.run(this, params[0]); 151 return params[0]; 152 } 153 @Override 154 protected void onPostExecute(AsyncTaskPageData result) { 155 // All the widget previews are loaded, so we can just callback to inflate the page 156 result.postExecuteCallback.run(this, result); 157 } 158 159 void setThreadPriority(int p) { 160 threadPriority = p; 161 } 162 void syncThreadPriority() { 163 Process.setThreadPriority(threadPriority); 164 } 165 166 // The page that this async task is associated with 167 AsyncTaskPageData.Type dataType; 168 int page; 169 int threadPriority; 170} 171 172abstract class WeakReferenceThreadLocal<T> { 173 private ThreadLocal<WeakReference<T>> mThreadLocal; 174 public WeakReferenceThreadLocal() { 175 mThreadLocal = new ThreadLocal<WeakReference<T>>(); 176 } 177 178 abstract T initialValue(); 179 180 public void set(T t) { 181 mThreadLocal.set(new WeakReference<T>(t)); 182 } 183 184 public T get() { 185 WeakReference<T> reference = mThreadLocal.get(); 186 T obj; 187 if (reference == null) { 188 obj = initialValue(); 189 mThreadLocal.set(new WeakReference<T>(obj)); 190 return obj; 191 } else { 192 obj = reference.get(); 193 if (obj == null) { 194 obj = initialValue(); 195 mThreadLocal.set(new WeakReference<T>(obj)); 196 } 197 return obj; 198 } 199 } 200} 201 202class CanvasCache extends WeakReferenceThreadLocal<Canvas> { 203 @Override 204 protected Canvas initialValue() { 205 return new Canvas(); 206 } 207} 208 209class PaintCache extends WeakReferenceThreadLocal<Paint> { 210 @Override 211 protected Paint initialValue() { 212 return null; 213 } 214} 215 216class BitmapCache extends WeakReferenceThreadLocal<Bitmap> { 217 @Override 218 protected Bitmap initialValue() { 219 return null; 220 } 221} 222 223class RectCache extends WeakReferenceThreadLocal<Rect> { 224 @Override 225 protected Rect initialValue() { 226 return new Rect(); 227 } 228} 229 230/** 231 * The Apps/Customize page that displays all the applications, widgets, and shortcuts. 232 */ 233public class AppsCustomizePagedView extends PagedViewWithDraggableItems implements 234 AllAppsView, View.OnClickListener, View.OnKeyListener, DragSource, 235 PagedViewIcon.PressedCallback, PagedViewWidget.ShortPressListener, 236 LauncherTransitionable { 237 static final String TAG = "AppsCustomizePagedView"; 238 239 /** 240 * The different content types that this paged view can show. 241 */ 242 public enum ContentType { 243 Applications, 244 Widgets 245 } 246 247 // Refs 248 private Launcher mLauncher; 249 private DragController mDragController; 250 private final LayoutInflater mLayoutInflater; 251 private final PackageManager mPackageManager; 252 253 // Save and Restore 254 private int mSaveInstanceStateItemIndex = -1; 255 private PagedViewIcon mPressedIcon; 256 257 // Content 258 private ArrayList<ApplicationInfo> mApps; 259 private ArrayList<Object> mWidgets; 260 261 // Cling 262 private boolean mHasShownAllAppsCling; 263 private int mClingFocusedX; 264 private int mClingFocusedY; 265 266 // Caching 267 private Canvas mCanvas; 268 private IconCache mIconCache; 269 270 // Dimens 271 private int mContentWidth; 272 private int mAppIconSize; 273 private int mMaxAppCellCountX, mMaxAppCellCountY; 274 private int mWidgetCountX, mWidgetCountY; 275 private int mWidgetWidthGap, mWidgetHeightGap; 276 private final float sWidgetPreviewIconPaddingPercentage = 0.25f; 277 private PagedViewCellLayout mWidgetSpacingLayout; 278 private int mNumAppsPages; 279 private int mNumWidgetPages; 280 281 // Relating to the scroll and overscroll effects 282 Workspace.ZInterpolator mZInterpolator = new Workspace.ZInterpolator(0.5f); 283 private static float CAMERA_DISTANCE = 6500; 284 private static float TRANSITION_SCALE_FACTOR = 0.74f; 285 private static float TRANSITION_PIVOT = 0.65f; 286 private static float TRANSITION_MAX_ROTATION = 22; 287 private static final boolean PERFORM_OVERSCROLL_ROTATION = true; 288 private AccelerateInterpolator mAlphaInterpolator = new AccelerateInterpolator(0.9f); 289 private DecelerateInterpolator mLeftScreenAlphaInterpolator = new DecelerateInterpolator(4); 290 291 // Previews & outlines 292 ArrayList<AppsCustomizeAsyncTask> mRunningTasks; 293 private static final int sPageSleepDelay = 200; 294 295 private Runnable mInflateWidgetRunnable = null; 296 private Runnable mBindWidgetRunnable = null; 297 static final int WIDGET_NO_CLEANUP_REQUIRED = -1; 298 static final int WIDGET_PRELOAD_PENDING = 0; 299 static final int WIDGET_BOUND = 1; 300 static final int WIDGET_INFLATED = 2; 301 int mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED; 302 int mWidgetLoadingId = -1; 303 PendingAddWidgetInfo mCreateWidgetInfo = null; 304 private boolean mDraggingWidget = false; 305 306 // Deferral of loading widget previews during launcher transitions 307 private boolean mInTransition; 308 private ArrayList<AsyncTaskPageData> mDeferredSyncWidgetPageItems = 309 new ArrayList<AsyncTaskPageData>(); 310 private ArrayList<Runnable> mDeferredPrepareLoadWidgetPreviewsTasks = 311 new ArrayList<Runnable>(); 312 313 // Used for drawing shortcut previews 314 BitmapCache mCachedShortcutPreviewBitmap = new BitmapCache(); 315 PaintCache mCachedShortcutPreviewPaint = new PaintCache(); 316 CanvasCache mCachedShortcutPreviewCanvas = new CanvasCache(); 317 318 // Used for drawing widget previews 319 CanvasCache mCachedAppWidgetPreviewCanvas = new CanvasCache(); 320 RectCache mCachedAppWidgetPreviewSrcRect = new RectCache(); 321 RectCache mCachedAppWidgetPreviewDestRect = new RectCache(); 322 PaintCache mCachedAppWidgetPreviewPaint = new PaintCache(); 323 324 public AppsCustomizePagedView(Context context, AttributeSet attrs) { 325 super(context, attrs); 326 mLayoutInflater = LayoutInflater.from(context); 327 mPackageManager = context.getPackageManager(); 328 mApps = new ArrayList<ApplicationInfo>(); 329 mWidgets = new ArrayList<Object>(); 330 mIconCache = ((LauncherApplication) context.getApplicationContext()).getIconCache(); 331 mCanvas = new Canvas(); 332 mRunningTasks = new ArrayList<AppsCustomizeAsyncTask>(); 333 334 // Save the default widget preview background 335 Resources resources = context.getResources(); 336 mAppIconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size); 337 338 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.AppsCustomizePagedView, 0, 0); 339 mMaxAppCellCountX = a.getInt(R.styleable.AppsCustomizePagedView_maxAppCellCountX, -1); 340 mMaxAppCellCountY = a.getInt(R.styleable.AppsCustomizePagedView_maxAppCellCountY, -1); 341 mWidgetWidthGap = 342 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellWidthGap, 0); 343 mWidgetHeightGap = 344 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellHeightGap, 0); 345 mWidgetCountX = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountX, 2); 346 mWidgetCountY = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountY, 2); 347 mClingFocusedX = a.getInt(R.styleable.AppsCustomizePagedView_clingFocusedX, 0); 348 mClingFocusedY = a.getInt(R.styleable.AppsCustomizePagedView_clingFocusedY, 0); 349 a.recycle(); 350 mWidgetSpacingLayout = new PagedViewCellLayout(getContext()); 351 352 // The padding on the non-matched dimension for the default widget preview icons 353 // (top + bottom) 354 mFadeInAdjacentScreens = false; 355 356 // Unless otherwise specified this view is important for accessibility. 357 if (getImportantForAccessibility() == View.IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 358 setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES); 359 } 360 361 Log.d(TAG, "6549598 ctor mNumWidgetPages: " + mNumWidgetPages + " mNumAppsPages: " + mNumAppsPages); 362 } 363 364 @Override 365 protected void init() { 366 super.init(); 367 mCenterPagesVertically = false; 368 369 Context context = getContext(); 370 Resources r = context.getResources(); 371 setDragSlopeThreshold(r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold)/100f); 372 Log.d(TAG, "6549598 init mNumWidgetPages: " + mNumWidgetPages + " mNumAppsPages: " + mNumAppsPages); 373 } 374 375 @Override 376 protected void onUnhandledTap(MotionEvent ev) { 377 if (LauncherApplication.isScreenLarge()) { 378 // Dismiss AppsCustomize if we tap 379 mLauncher.showWorkspace(true); 380 } 381 } 382 383 /** Returns the item index of the center item on this page so that we can restore to this 384 * item index when we rotate. */ 385 private int getMiddleComponentIndexOnCurrentPage() { 386 int i = -1; 387 if (getPageCount() > 0) { 388 int currentPage = getCurrentPage(); 389 if (currentPage < mNumAppsPages) { 390 PagedViewCellLayout layout = (PagedViewCellLayout) getPageAt(currentPage); 391 PagedViewCellLayoutChildren childrenLayout = layout.getChildrenLayout(); 392 int numItemsPerPage = mCellCountX * mCellCountY; 393 int childCount = childrenLayout.getChildCount(); 394 if (childCount > 0) { 395 i = (currentPage * numItemsPerPage) + (childCount / 2); 396 } 397 } else { 398 int numApps = mApps.size(); 399 PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(currentPage); 400 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 401 int childCount = layout.getChildCount(); 402 if (childCount > 0) { 403 i = numApps + 404 ((currentPage - mNumAppsPages) * numItemsPerPage) + (childCount / 2); 405 } 406 } 407 } 408 return i; 409 } 410 411 /** Get the index of the item to restore to if we need to restore the current page. */ 412 int getSaveInstanceStateIndex() { 413 if (mSaveInstanceStateItemIndex == -1) { 414 mSaveInstanceStateItemIndex = getMiddleComponentIndexOnCurrentPage(); 415 } 416 return mSaveInstanceStateItemIndex; 417 } 418 419 /** Returns the page in the current orientation which is expected to contain the specified 420 * item index. */ 421 int getPageForComponent(int index) { 422 if (index < 0) return 0; 423 424 if (index < mApps.size()) { 425 int numItemsPerPage = mCellCountX * mCellCountY; 426 return (index / numItemsPerPage); 427 } else { 428 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 429 return mNumAppsPages + ((index - mApps.size()) / numItemsPerPage); 430 } 431 } 432 433 /** 434 * This differs from isDataReady as this is the test done if isDataReady is not set. 435 */ 436 private boolean testDataReady() { 437 // We only do this test once, and we default to the Applications page, so we only really 438 // have to wait for there to be apps. 439 // TODO: What if one of them is validly empty 440 return !mApps.isEmpty() && !mWidgets.isEmpty(); 441 } 442 443 /** Restores the page for an item at the specified index */ 444 void restorePageForIndex(int index) { 445 if (index < 0) return; 446 mSaveInstanceStateItemIndex = index; 447 } 448 449 private void updatePageCounts() { 450 mNumWidgetPages = (int) Math.ceil(mWidgets.size() / 451 (float) (mWidgetCountX * mWidgetCountY)); 452 mNumAppsPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY)); 453 Log.d(TAG, "6549598 updatePageCounts mNumWidgetPages: " + mNumWidgetPages + " mNumAppsPages: " + mNumAppsPages); 454 Log.d(TAG, "6549598 mApps.size(): " + mApps.size() + " mWidgets.size(): " + mWidgets.size() + " mCellCountX: " + mCellCountX + " mCellCountY: " + mCellCountY); 455 } 456 457 protected void onDataReady(int width, int height) { 458 Log.d(TAG, "6549598 onDataReady"); 459 // Note that we transpose the counts in portrait so that we get a similar layout 460 boolean isLandscape = getResources().getConfiguration().orientation == 461 Configuration.ORIENTATION_LANDSCAPE; 462 int maxCellCountX = Integer.MAX_VALUE; 463 int maxCellCountY = Integer.MAX_VALUE; 464 if (LauncherApplication.isScreenLarge()) { 465 maxCellCountX = (isLandscape ? LauncherModel.getCellCountX() : 466 LauncherModel.getCellCountY()); 467 maxCellCountY = (isLandscape ? LauncherModel.getCellCountY() : 468 LauncherModel.getCellCountX()); 469 } 470 if (mMaxAppCellCountX > -1) { 471 maxCellCountX = Math.min(maxCellCountX, mMaxAppCellCountX); 472 } 473 if (mMaxAppCellCountY > -1) { 474 maxCellCountY = Math.min(maxCellCountY, mMaxAppCellCountY); 475 } 476 477 // Now that the data is ready, we can calculate the content width, the number of cells to 478 // use for each page 479 mWidgetSpacingLayout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 480 mWidgetSpacingLayout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 481 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 482 mWidgetSpacingLayout.calculateCellCount(width, height, maxCellCountX, maxCellCountY); 483 mCellCountX = mWidgetSpacingLayout.getCellCountX(); 484 mCellCountY = mWidgetSpacingLayout.getCellCountY(); 485 updatePageCounts(); 486 487 // Force a measure to update recalculate the gaps 488 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 489 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 490 mWidgetSpacingLayout.measure(widthSpec, heightSpec); 491 mContentWidth = mWidgetSpacingLayout.getContentWidth(); 492 493 AppsCustomizeTabHost host = (AppsCustomizeTabHost) getTabHost(); 494 final boolean hostIsTransitioning = host.isTransitioning(); 495 496 // Restore the page 497 int page = getPageForComponent(mSaveInstanceStateItemIndex); 498 invalidatePageData(Math.max(0, page), hostIsTransitioning); 499 500 // Show All Apps cling if we are finished transitioning, otherwise, we will try again when 501 // the transition completes in AppsCustomizeTabHost (otherwise the wrong offsets will be 502 // returned while animating) 503 if (!hostIsTransitioning) { 504 post(new Runnable() { 505 @Override 506 public void run() { 507 showAllAppsCling(); 508 } 509 }); 510 } 511 } 512 513 void showAllAppsCling() { 514 if (!mHasShownAllAppsCling && isDataReady() && testDataReady()) { 515 mHasShownAllAppsCling = true; 516 // Calculate the position for the cling punch through 517 int[] offset = new int[2]; 518 int[] pos = mWidgetSpacingLayout.estimateCellPosition(mClingFocusedX, mClingFocusedY); 519 mLauncher.getDragLayer().getLocationInDragLayer(this, offset); 520 // PagedViews are centered horizontally but top aligned 521 pos[0] += (getMeasuredWidth() - mWidgetSpacingLayout.getMeasuredWidth()) / 2 + 522 offset[0]; 523 pos[1] += offset[1]; 524 mLauncher.showFirstRunAllAppsCling(pos); 525 } 526 } 527 528 @Override 529 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 530 int width = MeasureSpec.getSize(widthMeasureSpec); 531 int height = MeasureSpec.getSize(heightMeasureSpec); 532 if (!isDataReady()) { 533 if (testDataReady()) { 534 setDataIsReady(); 535 setMeasuredDimension(width, height); 536 onDataReady(width, height); 537 } 538 } 539 540 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 541 } 542 543 public void onPackagesUpdated() { 544 Log.d(TAG, "6549598 onPackagesUpdated"); 545 // TODO: this isn't ideal, but we actually need to delay here. This call is triggered 546 // by a broadcast receiver, and in order for it to work correctly, we need to know that 547 // the AppWidgetService has already received and processed the same broadcast. Since there 548 // is no guarantee about ordering of broadcast receipt, we just delay here. This is a 549 // workaround until we add a callback from AppWidgetService to AppWidgetHost when widget 550 // packages are added, updated or removed. 551 postDelayed(new Runnable() { 552 public void run() { 553 updatePackages(); 554 } 555 }, 1500); 556 } 557 558 public void updatePackages() { 559 // Get the list of widgets and shortcuts 560 boolean wasEmpty = mWidgets.isEmpty(); 561 mWidgets.clear(); 562 List<AppWidgetProviderInfo> widgets = 563 AppWidgetManager.getInstance(mLauncher).getInstalledProviders(); 564 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 565 List<ResolveInfo> shortcuts = mPackageManager.queryIntentActivities(shortcutsIntent, 0); 566 for (AppWidgetProviderInfo widget : widgets) { 567 if (widget.minWidth > 0 && widget.minHeight > 0) { 568 // Ensure that all widgets we show can be added on a workspace of this size 569 int[] spanXY = Launcher.getSpanForWidget(mLauncher, widget); 570 int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, widget); 571 int minSpanX = Math.min(spanXY[0], minSpanXY[0]); 572 int minSpanY = Math.min(spanXY[1], minSpanXY[1]); 573 if (minSpanX <= LauncherModel.getCellCountX() && 574 minSpanY <= LauncherModel.getCellCountY()) { 575 mWidgets.add(widget); 576 } else { 577 Log.e(TAG, "Widget " + widget.provider + " can not fit on this device (" + 578 widget.minWidth + ", " + widget.minHeight + ")"); 579 } 580 } else { 581 Log.e(TAG, "Widget " + widget.provider + " has invalid dimensions (" + 582 widget.minWidth + ", " + widget.minHeight + ")"); 583 } 584 } 585 mWidgets.addAll(shortcuts); 586 Collections.sort(mWidgets, 587 new LauncherModel.WidgetAndShortcutNameComparator(mPackageManager)); 588 Log.d(TAG, "6549598 updatePackages mWidgets.size(): " + mWidgets.size() + " wasEmpty: " + wasEmpty); 589 updatePageCounts(); 590 591 if (wasEmpty) { 592 // The next layout pass will trigger data-ready if both widgets and apps are set, so request 593 // a layout to do this test and invalidate the page data when ready. 594 if (testDataReady()) requestLayout(); 595 } else { 596 cancelAllTasks(); 597 invalidatePageData(); 598 } 599 } 600 601 @Override 602 public void onClick(View v) { 603 // When we have exited all apps or are in transition, disregard clicks 604 if (!mLauncher.isAllAppsCustomizeOpen() || 605 mLauncher.getWorkspace().isSwitchingState()) return; 606 607 if (v instanceof PagedViewIcon) { 608 // Animate some feedback to the click 609 final ApplicationInfo appInfo = (ApplicationInfo) v.getTag(); 610 611 // Lock the drawable state to pressed until we return to Launcher 612 if (mPressedIcon != null) { 613 mPressedIcon.lockDrawableState(); 614 } 615 616 // NOTE: We want all transitions from launcher to act as if the wallpaper were enabled 617 // to be consistent. So re-enable the flag here, and we will re-disable it as necessary 618 // when Launcher resumes and we are still in AllApps. 619 mLauncher.updateWallpaperVisibility(true); 620 mLauncher.startActivitySafely(v, appInfo.intent, appInfo); 621 622 } else if (v instanceof PagedViewWidget) { 623 // Let the user know that they have to long press to add a widget 624 Toast.makeText(getContext(), R.string.long_press_widget_to_add, 625 Toast.LENGTH_SHORT).show(); 626 627 // Create a little animation to show that the widget can move 628 float offsetY = getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY); 629 final ImageView p = (ImageView) v.findViewById(R.id.widget_preview); 630 AnimatorSet bounce = new AnimatorSet(); 631 ValueAnimator tyuAnim = ObjectAnimator.ofFloat(p, "translationY", offsetY); 632 tyuAnim.setDuration(125); 633 ValueAnimator tydAnim = ObjectAnimator.ofFloat(p, "translationY", 0f); 634 tydAnim.setDuration(100); 635 bounce.play(tyuAnim).before(tydAnim); 636 bounce.setInterpolator(new AccelerateInterpolator()); 637 bounce.start(); 638 } 639 } 640 641 public boolean onKey(View v, int keyCode, KeyEvent event) { 642 return FocusHelper.handleAppsCustomizeKeyEvent(v, keyCode, event); 643 } 644 645 /* 646 * PagedViewWithDraggableItems implementation 647 */ 648 @Override 649 protected void determineDraggingStart(android.view.MotionEvent ev) { 650 // Disable dragging by pulling an app down for now. 651 } 652 653 private void beginDraggingApplication(View v) { 654 mLauncher.getWorkspace().onDragStartedWithItem(v); 655 mLauncher.getWorkspace().beginDragShared(v, this); 656 } 657 658 private void preloadWidget(final PendingAddWidgetInfo info) { 659 final AppWidgetProviderInfo pInfo = info.info; 660 if (pInfo.configure != null) { 661 return; 662 } 663 664 mWidgetCleanupState = WIDGET_PRELOAD_PENDING; 665 mBindWidgetRunnable = new Runnable() { 666 @Override 667 public void run() { 668 mWidgetLoadingId = mLauncher.getAppWidgetHost().allocateAppWidgetId(); 669 if (AppWidgetManager.getInstance(mLauncher) 670 .bindAppWidgetIdIfAllowed(mWidgetLoadingId, info.componentName)) { 671 mWidgetCleanupState = WIDGET_BOUND; 672 } 673 } 674 }; 675 post(mBindWidgetRunnable); 676 677 mInflateWidgetRunnable = new Runnable() { 678 @Override 679 public void run() { 680 AppWidgetHostView hostView = mLauncher. 681 getAppWidgetHost().createView(getContext(), mWidgetLoadingId, pInfo); 682 info.boundWidget = hostView; 683 mWidgetCleanupState = WIDGET_INFLATED; 684 hostView.setVisibility(INVISIBLE); 685 int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(info.spanX, 686 info.spanY, info, false); 687 688 // We want the first widget layout to be the correct size. This will be important 689 // for width size reporting to the AppWidgetManager. 690 DragLayer.LayoutParams lp = new DragLayer.LayoutParams(unScaledSize[0], 691 unScaledSize[1]); 692 lp.x = lp.y = 0; 693 lp.customPosition = true; 694 hostView.setLayoutParams(lp); 695 mLauncher.getDragLayer().addView(hostView); 696 } 697 }; 698 post(mInflateWidgetRunnable); 699 } 700 701 @Override 702 public void onShortPress(View v) { 703 // We are anticipating a long press, and we use this time to load bind and instantiate 704 // the widget. This will need to be cleaned up if it turns out no long press occurs. 705 if (mCreateWidgetInfo != null) { 706 // Just in case the cleanup process wasn't properly executed. This shouldn't happen. 707 cleanupWidgetPreloading(false); 708 } 709 mCreateWidgetInfo = new PendingAddWidgetInfo((PendingAddWidgetInfo) v.getTag()); 710 preloadWidget(mCreateWidgetInfo); 711 } 712 713 private void cleanupWidgetPreloading(boolean widgetWasAdded) { 714 if (!widgetWasAdded) { 715 // If the widget was not added, we may need to do further cleanup. 716 PendingAddWidgetInfo info = mCreateWidgetInfo; 717 mCreateWidgetInfo = null; 718 719 if (mWidgetCleanupState == WIDGET_PRELOAD_PENDING) { 720 // We never did any preloading, so just remove pending callbacks to do so 721 removeCallbacks(mBindWidgetRunnable); 722 removeCallbacks(mInflateWidgetRunnable); 723 } else if (mWidgetCleanupState == WIDGET_BOUND) { 724 // Delete the widget id which was allocated 725 if (mWidgetLoadingId != -1) { 726 mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); 727 } 728 729 // We never got around to inflating the widget, so remove the callback to do so. 730 removeCallbacks(mInflateWidgetRunnable); 731 } else if (mWidgetCleanupState == WIDGET_INFLATED) { 732 // Delete the widget id which was allocated 733 if (mWidgetLoadingId != -1) { 734 mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); 735 } 736 737 // The widget was inflated and added to the DragLayer -- remove it. 738 AppWidgetHostView widget = info.boundWidget; 739 mLauncher.getDragLayer().removeView(widget); 740 } 741 } 742 mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED; 743 mWidgetLoadingId = -1; 744 mCreateWidgetInfo = null; 745 PagedViewWidget.resetShortPressTarget(); 746 } 747 748 @Override 749 public void cleanUpShortPress(View v) { 750 if (!mDraggingWidget) { 751 cleanupWidgetPreloading(false); 752 } 753 } 754 755 private boolean beginDraggingWidget(View v) { 756 mDraggingWidget = true; 757 // Get the widget preview as the drag representation 758 ImageView image = (ImageView) v.findViewById(R.id.widget_preview); 759 PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 760 761 // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and 762 // we abort the drag. 763 if (image.getDrawable() == null) { 764 mDraggingWidget = false; 765 return false; 766 } 767 768 // Compose the drag image 769 Bitmap preview; 770 Bitmap outline; 771 float scale = 1f; 772 if (createItemInfo instanceof PendingAddWidgetInfo) { 773 // This can happen in some weird cases involving multi-touch. We can't start dragging 774 // the widget if this is null, so we break out. 775 if (mCreateWidgetInfo == null) { 776 return false; 777 } 778 779 PendingAddWidgetInfo createWidgetInfo = mCreateWidgetInfo; 780 createItemInfo = createWidgetInfo; 781 int spanX = createItemInfo.spanX; 782 int spanY = createItemInfo.spanY; 783 int[] size = mLauncher.getWorkspace().estimateItemSize(spanX, spanY, 784 createWidgetInfo, true); 785 786 FastBitmapDrawable previewDrawable = (FastBitmapDrawable) image.getDrawable(); 787 float minScale = 1.25f; 788 int maxWidth, maxHeight; 789 maxWidth = Math.min((int) (previewDrawable.getIntrinsicWidth() * minScale), size[0]); 790 maxHeight = Math.min((int) (previewDrawable.getIntrinsicHeight() * minScale), size[1]); 791 preview = getWidgetPreview(createWidgetInfo.componentName, createWidgetInfo.previewImage, 792 createWidgetInfo.icon, spanX, spanY, maxWidth, maxHeight); 793 794 // Determine the image view drawable scale relative to the preview 795 float[] mv = new float[9]; 796 Matrix m = new Matrix(); 797 m.setRectToRect( 798 new RectF(0f, 0f, (float) preview.getWidth(), (float) preview.getHeight()), 799 new RectF(0f, 0f, (float) previewDrawable.getIntrinsicWidth(), 800 (float) previewDrawable.getIntrinsicHeight()), 801 Matrix.ScaleToFit.START); 802 m.getValues(mv); 803 scale = (float) mv[0]; 804 } else { 805 PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag(); 806 Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.shortcutActivityInfo); 807 preview = Bitmap.createBitmap(icon.getIntrinsicWidth(), 808 icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); 809 810 mCanvas.setBitmap(preview); 811 mCanvas.save(); 812 renderDrawableToBitmap(icon, preview, 0, 0, 813 icon.getIntrinsicWidth(), icon.getIntrinsicHeight()); 814 mCanvas.restore(); 815 mCanvas.setBitmap(null); 816 createItemInfo.spanX = createItemInfo.spanY = 1; 817 } 818 819 // We use a custom alpha clip table for the default widget previews 820 Paint alphaClipPaint = null; 821 if (createItemInfo instanceof PendingAddWidgetInfo) { 822 if (((PendingAddWidgetInfo) createItemInfo).previewImage != 0) { 823 MaskFilter alphaClipTable = TableMaskFilter.CreateClipTable(0, 255); 824 alphaClipPaint = new Paint(); 825 alphaClipPaint.setMaskFilter(alphaClipTable); 826 } 827 } 828 829 // Save the preview for the outline generation, then dim the preview 830 outline = Bitmap.createScaledBitmap(preview, preview.getWidth(), preview.getHeight(), 831 false); 832 833 // Start the drag 834 alphaClipPaint = null; 835 mLauncher.lockScreenOrientation(); 836 mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, outline, alphaClipPaint); 837 mDragController.startDrag(image, preview, this, createItemInfo, 838 DragController.DRAG_ACTION_COPY, null, scale); 839 outline.recycle(); 840 preview.recycle(); 841 return true; 842 } 843 844 @Override 845 protected boolean beginDragging(final View v) { 846 if (!super.beginDragging(v)) return false; 847 848 if (v instanceof PagedViewIcon) { 849 beginDraggingApplication(v); 850 } else if (v instanceof PagedViewWidget) { 851 if (!beginDraggingWidget(v)) { 852 return false; 853 } 854 } 855 856 // We delay entering spring-loaded mode slightly to make sure the UI 857 // thready is free of any work. 858 postDelayed(new Runnable() { 859 @Override 860 public void run() { 861 // We don't enter spring-loaded mode if the drag has been cancelled 862 if (mLauncher.getDragController().isDragging()) { 863 // Dismiss the cling 864 mLauncher.dismissAllAppsCling(null); 865 866 // Reset the alpha on the dragged icon before we drag 867 resetDrawableState(); 868 869 // Go into spring loaded mode (must happen before we startDrag()) 870 mLauncher.enterSpringLoadedDragMode(); 871 } 872 } 873 }, 150); 874 875 return true; 876 } 877 878 /** 879 * Clean up after dragging. 880 * 881 * @param target where the item was dragged to (can be null if the item was flung) 882 */ 883 private void endDragging(View target, boolean isFlingToDelete, boolean success) { 884 if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && 885 !(target instanceof DeleteDropTarget))) { 886 // Exit spring loaded mode if we have not successfully dropped or have not handled the 887 // drop in Workspace 888 mLauncher.exitSpringLoadedDragMode(); 889 } 890 mLauncher.unlockScreenOrientation(false); 891 } 892 893 @Override 894 public View getContent() { 895 return null; 896 } 897 898 @Override 899 public void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace) { 900 mInTransition = true; 901 if (toWorkspace) { 902 cancelAllTasks(); 903 } 904 } 905 906 @Override 907 public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) { 908 } 909 910 @Override 911 public void onLauncherTransitionStep(Launcher l, float t) { 912 } 913 914 @Override 915 public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) { 916 Log.d(TAG, "6549598 onLauncherTransitionEnd mDeferredSyncWidgetPageItems.size(): " + mDeferredSyncWidgetPageItems.size()); 917 mInTransition = false; 918 for (AsyncTaskPageData d : mDeferredSyncWidgetPageItems) { 919 onSyncWidgetPageItems(d); 920 } 921 mDeferredSyncWidgetPageItems.clear(); 922 for (Runnable r : mDeferredPrepareLoadWidgetPreviewsTasks) { 923 r.run(); 924 } 925 mDeferredPrepareLoadWidgetPreviewsTasks.clear(); 926 mForceDrawAllChildrenNextFrame = !toWorkspace; 927 } 928 929 @Override 930 public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, 931 boolean success) { 932 // Return early and wait for onFlingToDeleteCompleted if this was the result of a fling 933 if (isFlingToDelete) return; 934 935 endDragging(target, false, success); 936 937 // Display an error message if the drag failed due to there not being enough space on the 938 // target layout we were dropping on. 939 if (!success) { 940 boolean showOutOfSpaceMessage = false; 941 if (target instanceof Workspace) { 942 int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 943 Workspace workspace = (Workspace) target; 944 CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 945 ItemInfo itemInfo = (ItemInfo) d.dragInfo; 946 if (layout != null) { 947 layout.calculateSpans(itemInfo); 948 showOutOfSpaceMessage = 949 !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 950 } 951 } 952 if (showOutOfSpaceMessage) { 953 mLauncher.showOutOfSpaceMessage(false); 954 } 955 956 d.deferDragViewCleanupPostAnimation = false; 957 } 958 cleanupWidgetPreloading(success); 959 mDraggingWidget = false; 960 } 961 962 @Override 963 public void onFlingToDeleteCompleted() { 964 // We just dismiss the drag when we fling, so cleanup here 965 endDragging(null, true, true); 966 cleanupWidgetPreloading(false); 967 mDraggingWidget = false; 968 } 969 970 @Override 971 public boolean supportsFlingToDelete() { 972 return true; 973 } 974 975 @Override 976 protected void onDetachedFromWindow() { 977 super.onDetachedFromWindow(); 978 cancelAllTasks(); 979 } 980 981 public void clearAllWidgetPages() { 982 cancelAllTasks(); 983 int count = getChildCount(); 984 for (int i = 0; i < count; i++) { 985 View v = getPageAt(i); 986 if (v instanceof PagedViewGridLayout) { 987 ((PagedViewGridLayout) v).removeAllViewsOnPage(); 988 mDirtyPageContent.set(i, true); 989 } 990 } 991 } 992 993 private void cancelAllTasks() { 994 // Clean up all the async tasks 995 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 996 while (iter.hasNext()) { 997 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 998 task.cancel(false); 999 iter.remove(); 1000 mDirtyPageContent.set(task.page, true); 1001 1002 // We've already preallocated the views for the data to load into, so clear them as well 1003 View v = getPageAt(task.page); 1004 if (v instanceof PagedViewGridLayout) { 1005 ((PagedViewGridLayout) v).removeAllViewsOnPage(); 1006 } 1007 } 1008 mDeferredSyncWidgetPageItems.clear(); 1009 mDeferredPrepareLoadWidgetPreviewsTasks.clear(); 1010 } 1011 1012 public void setContentType(ContentType type) { 1013 Log.d(TAG, "6549598 setContentType mNumAppsPages: " + mNumAppsPages); 1014 if (type == ContentType.Widgets) { 1015 invalidatePageData(mNumAppsPages, true); 1016 } else if (type == ContentType.Applications) { 1017 invalidatePageData(0, true); 1018 } 1019 } 1020 1021 protected void snapToPage(int whichPage, int delta, int duration) { 1022 super.snapToPage(whichPage, delta, duration); 1023 updateCurrentTab(whichPage); 1024 1025 // Update the thread priorities given the direction lookahead 1026 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1027 while (iter.hasNext()) { 1028 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1029 int pageIndex = task.page; 1030 if ((mNextPage > mCurrentPage && pageIndex >= mCurrentPage) || 1031 (mNextPage < mCurrentPage && pageIndex <= mCurrentPage)) { 1032 task.setThreadPriority(getThreadPriorityForPage(pageIndex)); 1033 } else { 1034 task.setThreadPriority(Process.THREAD_PRIORITY_LOWEST); 1035 } 1036 } 1037 } 1038 1039 private void updateCurrentTab(int currentPage) { 1040 Log.d(TAG, "6549598 updateCurrentTab mNumAppsPages: " + mNumAppsPages); 1041 AppsCustomizeTabHost tabHost = getTabHost(); 1042 if (tabHost != null) { 1043 String tag = tabHost.getCurrentTabTag(); 1044 if (tag != null) { 1045 if (currentPage >= mNumAppsPages && 1046 !tag.equals(tabHost.getTabTagForContentType(ContentType.Widgets))) { 1047 tabHost.setCurrentTabFromContent(ContentType.Widgets); 1048 } else if (currentPage < mNumAppsPages && 1049 !tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) { 1050 tabHost.setCurrentTabFromContent(ContentType.Applications); 1051 } 1052 } 1053 } 1054 } 1055 1056 /* 1057 * Apps PagedView implementation 1058 */ 1059 private void setVisibilityOnChildren(ViewGroup layout, int visibility) { 1060 int childCount = layout.getChildCount(); 1061 for (int i = 0; i < childCount; ++i) { 1062 layout.getChildAt(i).setVisibility(visibility); 1063 } 1064 } 1065 private void setupPage(PagedViewCellLayout layout) { 1066 layout.setCellCount(mCellCountX, mCellCountY); 1067 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 1068 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 1069 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 1070 1071 // Note: We force a measure here to get around the fact that when we do layout calculations 1072 // immediately after syncing, we don't have a proper width. That said, we already know the 1073 // expected page width, so we can actually optimize by hiding all the TextView-based 1074 // children that are expensive to measure, and let that happen naturally later. 1075 setVisibilityOnChildren(layout, View.GONE); 1076 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 1077 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 1078 layout.setMinimumWidth(getPageContentWidth()); 1079 layout.measure(widthSpec, heightSpec); 1080 setVisibilityOnChildren(layout, View.VISIBLE); 1081 } 1082 1083 public void syncAppsPageItems(int page, boolean immediate) { 1084 Log.d(TAG, "6549598 syncAppsPageItems page: " + page + " mNumAppsPages: " + mNumAppsPages); 1085 // ensure that we have the right number of items on the pages 1086 int numCells = mCellCountX * mCellCountY; 1087 int startIndex = page * numCells; 1088 int endIndex = Math.min(startIndex + numCells, mApps.size()); 1089 PagedViewCellLayout layout = (PagedViewCellLayout) getPageAt(page); 1090 1091 layout.removeAllViewsOnPage(); 1092 ArrayList<Object> items = new ArrayList<Object>(); 1093 ArrayList<Bitmap> images = new ArrayList<Bitmap>(); 1094 for (int i = startIndex; i < endIndex; ++i) { 1095 ApplicationInfo info = mApps.get(i); 1096 PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate( 1097 R.layout.apps_customize_application, layout, false); 1098 icon.applyFromApplicationInfo(info, true, this); 1099 icon.setOnClickListener(this); 1100 icon.setOnLongClickListener(this); 1101 icon.setOnTouchListener(this); 1102 icon.setOnKeyListener(this); 1103 1104 int index = i - startIndex; 1105 int x = index % mCellCountX; 1106 int y = index / mCellCountX; 1107 layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); 1108 1109 items.add(info); 1110 images.add(info.iconBitmap); 1111 } 1112 1113 layout.createHardwareLayers(); 1114 } 1115 1116 /** 1117 * A helper to return the priority for loading of the specified widget page. 1118 */ 1119 private int getWidgetPageLoadPriority(int page) { 1120 // If we are snapping to another page, use that index as the target page index 1121 int toPage = mCurrentPage; 1122 if (mNextPage > -1) { 1123 toPage = mNextPage; 1124 } 1125 1126 // We use the distance from the target page as an initial guess of priority, but if there 1127 // are no pages of higher priority than the page specified, then bump up the priority of 1128 // the specified page. 1129 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1130 int minPageDiff = Integer.MAX_VALUE; 1131 while (iter.hasNext()) { 1132 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1133 minPageDiff = Math.abs(task.page - toPage); 1134 } 1135 1136 int rawPageDiff = Math.abs(page - toPage); 1137 return rawPageDiff - Math.min(rawPageDiff, minPageDiff); 1138 } 1139 /** 1140 * Return the appropriate thread priority for loading for a given page (we give the current 1141 * page much higher priority) 1142 */ 1143 private int getThreadPriorityForPage(int page) { 1144 // TODO-APPS_CUSTOMIZE: detect number of cores and set thread priorities accordingly below 1145 int pageDiff = getWidgetPageLoadPriority(page); 1146 if (pageDiff <= 0) { 1147 return Process.THREAD_PRIORITY_LESS_FAVORABLE; 1148 } else if (pageDiff <= 1) { 1149 return Process.THREAD_PRIORITY_LOWEST; 1150 } else { 1151 return Process.THREAD_PRIORITY_LOWEST; 1152 } 1153 } 1154 private int getSleepForPage(int page) { 1155 int pageDiff = getWidgetPageLoadPriority(page); 1156 return Math.max(0, pageDiff * sPageSleepDelay); 1157 } 1158 /** 1159 * Creates and executes a new AsyncTask to load a page of widget previews. 1160 */ 1161 private void prepareLoadWidgetPreviewsTask(int page, ArrayList<Object> widgets, 1162 int cellWidth, int cellHeight, int cellCountX) { 1163 1164 // Prune all tasks that are no longer needed 1165 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1166 while (iter.hasNext()) { 1167 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1168 int taskPage = task.page; 1169 if (taskPage < getAssociatedLowerPageBound(mCurrentPage) || 1170 taskPage > getAssociatedUpperPageBound(mCurrentPage)) { 1171 task.cancel(false); 1172 iter.remove(); 1173 } else { 1174 task.setThreadPriority(getThreadPriorityForPage(taskPage)); 1175 } 1176 } 1177 1178 // We introduce a slight delay to order the loading of side pages so that we don't thrash 1179 final int sleepMs = getSleepForPage(page); 1180 AsyncTaskPageData pageData = new AsyncTaskPageData(page, widgets, cellWidth, cellHeight, 1181 new AsyncTaskCallback() { 1182 @Override 1183 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 1184 try { 1185 try { 1186 Thread.sleep(sleepMs); 1187 } catch (Exception e) {} 1188 loadWidgetPreviewsInBackground(task, data); 1189 } finally { 1190 if (task.isCancelled()) { 1191 data.cleanup(true); 1192 } 1193 } 1194 } 1195 }, 1196 new AsyncTaskCallback() { 1197 @Override 1198 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 1199 mRunningTasks.remove(task); 1200 if (task.isCancelled()) return; 1201 // do cleanup inside onSyncWidgetPageItems 1202 onSyncWidgetPageItems(data); 1203 } 1204 }); 1205 1206 // Ensure that the task is appropriately prioritized and runs in parallel 1207 AppsCustomizeAsyncTask t = new AppsCustomizeAsyncTask(page, 1208 AsyncTaskPageData.Type.LoadWidgetPreviewData); 1209 t.setThreadPriority(getThreadPriorityForPage(page)); 1210 t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pageData); 1211 mRunningTasks.add(t); 1212 } 1213 1214 /* 1215 * Widgets PagedView implementation 1216 */ 1217 private void setupPage(PagedViewGridLayout layout) { 1218 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 1219 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 1220 1221 // Note: We force a measure here to get around the fact that when we do layout calculations 1222 // immediately after syncing, we don't have a proper width. 1223 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 1224 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 1225 layout.setMinimumWidth(getPageContentWidth()); 1226 layout.measure(widthSpec, heightSpec); 1227 } 1228 1229 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h) { 1230 renderDrawableToBitmap(d, bitmap, x, y, w, h, 1f); 1231 } 1232 1233 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 1234 float scale) { 1235 if (bitmap != null) { 1236 Canvas c = new Canvas(bitmap); 1237 c.scale(scale, scale); 1238 Rect oldBounds = d.copyBounds(); 1239 d.setBounds(x, y, x + w, y + h); 1240 d.draw(c); 1241 d.setBounds(oldBounds); // Restore the bounds 1242 c.setBitmap(null); 1243 } 1244 } 1245 1246 private Bitmap getShortcutPreview(ResolveInfo info, int maxWidth, int maxHeight) { 1247 Bitmap tempBitmap = mCachedShortcutPreviewBitmap.get(); 1248 final Canvas c = mCachedShortcutPreviewCanvas.get(); 1249 if (tempBitmap == null || 1250 tempBitmap.getWidth() != maxWidth || 1251 tempBitmap.getHeight() != maxHeight) { 1252 tempBitmap = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 1253 mCachedShortcutPreviewBitmap.set(tempBitmap); 1254 } else { 1255 c.setBitmap(tempBitmap); 1256 c.drawColor(0, PorterDuff.Mode.CLEAR); 1257 c.setBitmap(null); 1258 } 1259 // Render the icon 1260 Drawable icon = mIconCache.getFullResIcon(info); 1261 1262 int paddingTop = 1263 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_top); 1264 int paddingLeft = 1265 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_left); 1266 int paddingRight = 1267 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_right); 1268 1269 int scaledIconWidth = (maxWidth - paddingLeft - paddingRight); 1270 1271 renderDrawableToBitmap( 1272 icon, tempBitmap, paddingLeft, paddingTop, scaledIconWidth, scaledIconWidth); 1273 1274 Bitmap preview = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 1275 c.setBitmap(preview); 1276 Paint p = mCachedShortcutPreviewPaint.get(); 1277 if (p == null) { 1278 p = new Paint(); 1279 ColorMatrix colorMatrix = new ColorMatrix(); 1280 colorMatrix.setSaturation(0); 1281 p.setColorFilter(new ColorMatrixColorFilter(colorMatrix)); 1282 p.setAlpha((int) (255 * 0.06f)); 1283 //float density = 1f; 1284 //p.setMaskFilter(new BlurMaskFilter(15*density, BlurMaskFilter.Blur.NORMAL)); 1285 mCachedShortcutPreviewPaint.set(p); 1286 } 1287 c.drawBitmap(tempBitmap, 0, 0, p); 1288 c.setBitmap(null); 1289 1290 renderDrawableToBitmap(icon, preview, 0, 0, mAppIconSize, mAppIconSize); 1291 1292 return preview; 1293 } 1294 1295 private Bitmap getWidgetPreview(ComponentName provider, int previewImage, 1296 int iconId, int cellHSpan, int cellVSpan, int maxWidth, 1297 int maxHeight) { 1298 // Load the preview image if possible 1299 String packageName = provider.getPackageName(); 1300 if (maxWidth < 0) maxWidth = Integer.MAX_VALUE; 1301 if (maxHeight < 0) maxHeight = Integer.MAX_VALUE; 1302 1303 Drawable drawable = null; 1304 if (previewImage != 0) { 1305 drawable = mPackageManager.getDrawable(packageName, previewImage, null); 1306 if (drawable == null) { 1307 Log.w(TAG, "Can't load widget preview drawable 0x" + 1308 Integer.toHexString(previewImage) + " for provider: " + provider); 1309 } 1310 } 1311 1312 int bitmapWidth; 1313 int bitmapHeight; 1314 Bitmap defaultPreview = null; 1315 boolean widgetPreviewExists = (drawable != null); 1316 if (widgetPreviewExists) { 1317 bitmapWidth = drawable.getIntrinsicWidth(); 1318 bitmapHeight = drawable.getIntrinsicHeight(); 1319 } else { 1320 // Generate a preview image if we couldn't load one 1321 if (cellHSpan < 1) cellHSpan = 1; 1322 if (cellVSpan < 1) cellVSpan = 1; 1323 1324 BitmapDrawable previewDrawable = (BitmapDrawable) getResources() 1325 .getDrawable(R.drawable.widget_preview_tile); 1326 final int previewDrawableWidth = previewDrawable 1327 .getIntrinsicWidth(); 1328 final int previewDrawableHeight = previewDrawable 1329 .getIntrinsicHeight(); 1330 bitmapWidth = previewDrawableWidth * cellHSpan; // subtract 2 dips 1331 bitmapHeight = previewDrawableHeight * cellVSpan; 1332 1333 defaultPreview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, 1334 Config.ARGB_8888); 1335 final Canvas c = mCachedAppWidgetPreviewCanvas.get(); 1336 c.setBitmap(defaultPreview); 1337 previewDrawable.setBounds(0, 0, bitmapWidth, bitmapHeight); 1338 previewDrawable.setTileModeXY(Shader.TileMode.REPEAT, 1339 Shader.TileMode.REPEAT); 1340 previewDrawable.draw(c); 1341 c.setBitmap(null); 1342 1343 // Draw the icon in the top left corner 1344 int minOffset = (int) (mAppIconSize * sWidgetPreviewIconPaddingPercentage); 1345 int smallestSide = Math.min(bitmapWidth, bitmapHeight); 1346 float iconScale = Math.min((float) smallestSide 1347 / (mAppIconSize + 2 * minOffset), 1f); 1348 1349 try { 1350 Drawable icon = null; 1351 int hoffset = 1352 (int) ((previewDrawableWidth - mAppIconSize * iconScale) / 2); 1353 int yoffset = 1354 (int) ((previewDrawableHeight - mAppIconSize * iconScale) / 2); 1355 if (iconId > 0) 1356 icon = mIconCache.getFullResIcon(packageName, iconId); 1357 if (icon != null) { 1358 renderDrawableToBitmap(icon, defaultPreview, hoffset, 1359 yoffset, (int) (mAppIconSize * iconScale), 1360 (int) (mAppIconSize * iconScale)); 1361 } 1362 } catch (Resources.NotFoundException e) { 1363 } 1364 } 1365 1366 // Scale to fit width only - let the widget preview be clipped in the 1367 // vertical dimension 1368 float scale = 1f; 1369 if (bitmapWidth > maxWidth) { 1370 scale = maxWidth / (float) bitmapWidth; 1371 } 1372 if (scale != 1f) { 1373 bitmapWidth = (int) (scale * bitmapWidth); 1374 bitmapHeight = (int) (scale * bitmapHeight); 1375 } 1376 1377 Bitmap preview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, 1378 Config.ARGB_8888); 1379 1380 // Draw the scaled preview into the final bitmap 1381 if (widgetPreviewExists) { 1382 renderDrawableToBitmap(drawable, preview, 0, 0, bitmapWidth, 1383 bitmapHeight); 1384 } else { 1385 final Canvas c = mCachedAppWidgetPreviewCanvas.get(); 1386 final Rect src = mCachedAppWidgetPreviewSrcRect.get(); 1387 final Rect dest = mCachedAppWidgetPreviewDestRect.get(); 1388 c.setBitmap(preview); 1389 src.set(0, 0, defaultPreview.getWidth(), defaultPreview.getHeight()); 1390 dest.set(0, 0, preview.getWidth(), preview.getHeight()); 1391 1392 Paint p = mCachedAppWidgetPreviewPaint.get(); 1393 if (p == null) { 1394 p = new Paint(); 1395 p.setFilterBitmap(true); 1396 mCachedAppWidgetPreviewPaint.set(p); 1397 } 1398 c.drawBitmap(defaultPreview, src, dest, p); 1399 c.setBitmap(null); 1400 } 1401 return preview; 1402 } 1403 1404 public void syncWidgetPageItems(final int page, final boolean immediate) { 1405 Log.d(TAG, "6549598 syncWidgetPageItems page: " + page); 1406 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 1407 1408 // Calculate the dimensions of each cell we are giving to each widget 1409 final ArrayList<Object> items = new ArrayList<Object>(); 1410 int contentWidth = mWidgetSpacingLayout.getContentWidth(); 1411 final int cellWidth = ((contentWidth - mPageLayoutPaddingLeft - mPageLayoutPaddingRight 1412 - ((mWidgetCountX - 1) * mWidgetWidthGap)) / mWidgetCountX); 1413 int contentHeight = mWidgetSpacingLayout.getContentHeight(); 1414 final int cellHeight = ((contentHeight - mPageLayoutPaddingTop - mPageLayoutPaddingBottom 1415 - ((mWidgetCountY - 1) * mWidgetHeightGap)) / mWidgetCountY); 1416 1417 // Prepare the set of widgets to load previews for in the background 1418 int offset = (page - mNumAppsPages) * numItemsPerPage; 1419 for (int i = offset; i < Math.min(offset + numItemsPerPage, mWidgets.size()); ++i) { 1420 items.add(mWidgets.get(i)); 1421 } 1422 1423 // Prepopulate the pages with the other widget info, and fill in the previews later 1424 final PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); 1425 layout.setColumnCount(layout.getCellCountX()); 1426 for (int i = 0; i < items.size(); ++i) { 1427 Object rawInfo = items.get(i); 1428 PendingAddItemInfo createItemInfo = null; 1429 PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate( 1430 R.layout.apps_customize_widget, layout, false); 1431 if (rawInfo instanceof AppWidgetProviderInfo) { 1432 // Fill in the widget information 1433 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1434 createItemInfo = new PendingAddWidgetInfo(info, null, null); 1435 1436 // Determine the widget spans and min resize spans. 1437 int[] spanXY = Launcher.getSpanForWidget(mLauncher, info); 1438 createItemInfo.spanX = spanXY[0]; 1439 createItemInfo.spanY = spanXY[1]; 1440 int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, info); 1441 createItemInfo.minSpanX = minSpanXY[0]; 1442 createItemInfo.minSpanY = minSpanXY[1]; 1443 1444 widget.applyFromAppWidgetProviderInfo(info, -1, spanXY); 1445 widget.setTag(createItemInfo); 1446 widget.setShortPressListener(this); 1447 } else if (rawInfo instanceof ResolveInfo) { 1448 // Fill in the shortcuts information 1449 ResolveInfo info = (ResolveInfo) rawInfo; 1450 createItemInfo = new PendingAddShortcutInfo(info.activityInfo); 1451 createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 1452 createItemInfo.componentName = new ComponentName(info.activityInfo.packageName, 1453 info.activityInfo.name); 1454 widget.applyFromResolveInfo(mPackageManager, info); 1455 widget.setTag(createItemInfo); 1456 } 1457 widget.setOnClickListener(this); 1458 widget.setOnLongClickListener(this); 1459 widget.setOnTouchListener(this); 1460 widget.setOnKeyListener(this); 1461 1462 // Layout each widget 1463 int ix = i % mWidgetCountX; 1464 int iy = i / mWidgetCountX; 1465 GridLayout.LayoutParams lp = new GridLayout.LayoutParams( 1466 GridLayout.spec(iy, GridLayout.LEFT), 1467 GridLayout.spec(ix, GridLayout.TOP)); 1468 lp.width = cellWidth; 1469 lp.height = cellHeight; 1470 lp.setGravity(Gravity.TOP | Gravity.LEFT); 1471 if (ix > 0) lp.leftMargin = mWidgetWidthGap; 1472 if (iy > 0) lp.topMargin = mWidgetHeightGap; 1473 layout.addView(widget, lp); 1474 } 1475 1476 // wait until a call on onLayout to start loading, because 1477 // PagedViewWidget.getPreviewSize() will return 0 if it hasn't been laid out 1478 // TODO: can we do a measure/layout immediately? 1479 layout.setOnLayoutListener(new Runnable() { 1480 public void run() { 1481 // Load the widget previews 1482 int maxPreviewWidth = cellWidth; 1483 int maxPreviewHeight = cellHeight; 1484 if (layout.getChildCount() > 0) { 1485 PagedViewWidget w = (PagedViewWidget) layout.getChildAt(0); 1486 int[] maxSize = w.getPreviewSize(); 1487 maxPreviewWidth = maxSize[0]; 1488 maxPreviewHeight = maxSize[1]; 1489 } 1490 if (immediate) { 1491 AsyncTaskPageData data = new AsyncTaskPageData(page, items, 1492 maxPreviewWidth, maxPreviewHeight, null, null); 1493 loadWidgetPreviewsInBackground(null, data); 1494 onSyncWidgetPageItems(data); 1495 } else { 1496 if (mInTransition) { 1497 mDeferredPrepareLoadWidgetPreviewsTasks.add(this); 1498 } else { 1499 prepareLoadWidgetPreviewsTask(page, items, 1500 maxPreviewWidth, maxPreviewHeight, mWidgetCountX); 1501 } 1502 } 1503 } 1504 }); 1505 } 1506 private void loadWidgetPreviewsInBackground(AppsCustomizeAsyncTask task, 1507 AsyncTaskPageData data) { 1508 // loadWidgetPreviewsInBackground can be called without a task to load a set of widget 1509 // previews synchronously 1510 if (task != null) { 1511 // Ensure that this task starts running at the correct priority 1512 task.syncThreadPriority(); 1513 } 1514 1515 // Load each of the widget/shortcut previews 1516 ArrayList<Object> items = data.items; 1517 ArrayList<Bitmap> images = data.generatedImages; 1518 int count = items.size(); 1519 for (int i = 0; i < count; ++i) { 1520 if (task != null) { 1521 // Ensure we haven't been cancelled yet 1522 if (task.isCancelled()) break; 1523 // Before work on each item, ensure that this task is running at the correct 1524 // priority 1525 task.syncThreadPriority(); 1526 } 1527 1528 Object rawInfo = items.get(i); 1529 if (rawInfo instanceof AppWidgetProviderInfo) { 1530 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1531 int[] cellSpans = Launcher.getSpanForWidget(mLauncher, info); 1532 1533 int maxWidth = Math.min(data.maxImageWidth, 1534 mWidgetSpacingLayout.estimateCellWidth(cellSpans[0])); 1535 int maxHeight = Math.min(data.maxImageHeight, 1536 mWidgetSpacingLayout.estimateCellHeight(cellSpans[1])); 1537 Bitmap b = getWidgetPreview(info.provider, info.previewImage, info.icon, 1538 cellSpans[0], cellSpans[1], maxWidth, maxHeight); 1539 images.add(b); 1540 } else if (rawInfo instanceof ResolveInfo) { 1541 // Fill in the shortcuts information 1542 ResolveInfo info = (ResolveInfo) rawInfo; 1543 images.add(getShortcutPreview(info, data.maxImageWidth, data.maxImageHeight)); 1544 } 1545 } 1546 } 1547 1548 private void onSyncWidgetPageItems(AsyncTaskPageData data) { 1549 if (mInTransition) { 1550 mDeferredSyncWidgetPageItems.add(data); 1551 return; 1552 } 1553 try { 1554 int page = data.page; 1555 PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); 1556 1557 ArrayList<Object> items = data.items; 1558 int count = items.size(); 1559 for (int i = 0; i < count; ++i) { 1560 PagedViewWidget widget = (PagedViewWidget) layout.getChildAt(i); 1561 if (widget != null) { 1562 Bitmap preview = data.generatedImages.get(i); 1563 widget.applyPreview(new FastBitmapDrawable(preview), i); 1564 } 1565 } 1566 1567 layout.createHardwareLayer(); 1568 invalidate(); 1569 1570 // Update all thread priorities 1571 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1572 while (iter.hasNext()) { 1573 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1574 int pageIndex = task.page; 1575 task.setThreadPriority(getThreadPriorityForPage(pageIndex)); 1576 } 1577 } finally { 1578 data.cleanup(false); 1579 } 1580 } 1581 1582 @Override 1583 public void syncPages() { 1584 removeAllViews(); 1585 cancelAllTasks(); 1586 1587 Context context = getContext(); 1588 for (int j = 0; j < mNumWidgetPages; ++j) { 1589 PagedViewGridLayout layout = new PagedViewGridLayout(context, mWidgetCountX, 1590 mWidgetCountY); 1591 setupPage(layout); 1592 addView(layout, new PagedView.LayoutParams(LayoutParams.MATCH_PARENT, 1593 LayoutParams.MATCH_PARENT)); 1594 } 1595 1596 for (int i = 0; i < mNumAppsPages; ++i) { 1597 PagedViewCellLayout layout = new PagedViewCellLayout(context); 1598 setupPage(layout); 1599 addView(layout); 1600 } 1601 1602 Log.d(TAG, "6549598 syncPages mNumAppsPages: " + mNumAppsPages + " mNumWidgetPages: " + mNumWidgetPages); 1603 } 1604 1605 @Override 1606 public void syncPageItems(int page, boolean immediate) { 1607 Log.d(TAG, "6549598 syncPageItems page: " + page + " immediate: " + immediate); 1608 if (page < mNumAppsPages) { 1609 syncAppsPageItems(page, immediate); 1610 } else { 1611 syncWidgetPageItems(page, immediate); 1612 } 1613 } 1614 1615 // We want our pages to be z-ordered such that the further a page is to the left, the higher 1616 // it is in the z-order. This is important to insure touch events are handled correctly. 1617 View getPageAt(int index) { 1618 return getChildAt(indexToPage(index)); 1619 } 1620 1621 @Override 1622 protected int indexToPage(int index) { 1623 return getChildCount() - index - 1; 1624 } 1625 1626 // In apps customize, we have a scrolling effect which emulates pulling cards off of a stack. 1627 @Override 1628 protected void screenScrolled(int screenCenter) { 1629 super.screenScrolled(screenCenter); 1630 1631 for (int i = 0; i < getChildCount(); i++) { 1632 View v = getPageAt(i); 1633 if (v != null) { 1634 float scrollProgress = getScrollProgress(screenCenter, v, i); 1635 1636 float interpolatedProgress = 1637 mZInterpolator.getInterpolation(Math.abs(Math.min(scrollProgress, 0))); 1638 float scale = (1 - interpolatedProgress) + 1639 interpolatedProgress * TRANSITION_SCALE_FACTOR; 1640 float translationX = Math.min(0, scrollProgress) * v.getMeasuredWidth(); 1641 1642 float alpha; 1643 1644 if (scrollProgress < 0) { 1645 alpha = scrollProgress < 0 ? mAlphaInterpolator.getInterpolation( 1646 1 - Math.abs(scrollProgress)) : 1.0f; 1647 } else { 1648 // On large screens we need to fade the page as it nears its leftmost position 1649 alpha = mLeftScreenAlphaInterpolator.getInterpolation(1 - scrollProgress); 1650 } 1651 1652 v.setCameraDistance(mDensity * CAMERA_DISTANCE); 1653 int pageWidth = v.getMeasuredWidth(); 1654 int pageHeight = v.getMeasuredHeight(); 1655 1656 if (PERFORM_OVERSCROLL_ROTATION) { 1657 if (i == 0 && scrollProgress < 0) { 1658 // Overscroll to the left 1659 v.setPivotX(TRANSITION_PIVOT * pageWidth); 1660 v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress); 1661 scale = 1.0f; 1662 alpha = 1.0f; 1663 // On the first page, we don't want the page to have any lateral motion 1664 translationX = 0; 1665 } else if (i == getChildCount() - 1 && scrollProgress > 0) { 1666 // Overscroll to the right 1667 v.setPivotX((1 - TRANSITION_PIVOT) * pageWidth); 1668 v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress); 1669 scale = 1.0f; 1670 alpha = 1.0f; 1671 // On the last page, we don't want the page to have any lateral motion. 1672 translationX = 0; 1673 } else { 1674 v.setPivotY(pageHeight / 2.0f); 1675 v.setPivotX(pageWidth / 2.0f); 1676 v.setRotationY(0f); 1677 } 1678 } 1679 1680 v.setTranslationX(translationX); 1681 v.setScaleX(scale); 1682 v.setScaleY(scale); 1683 v.setAlpha(alpha); 1684 1685 // If the view has 0 alpha, we set it to be invisible so as to prevent 1686 // it from accepting touches 1687 if (alpha == 0) { 1688 v.setVisibility(INVISIBLE); 1689 } else if (v.getVisibility() != VISIBLE) { 1690 v.setVisibility(VISIBLE); 1691 } 1692 } 1693 } 1694 } 1695 1696 protected void overScroll(float amount) { 1697 acceleratedOverScroll(amount); 1698 } 1699 1700 /** 1701 * Used by the parent to get the content width to set the tab bar to 1702 * @return 1703 */ 1704 public int getPageContentWidth() { 1705 return mContentWidth; 1706 } 1707 1708 @Override 1709 protected void onPageEndMoving() { 1710 super.onPageEndMoving(); 1711 mForceDrawAllChildrenNextFrame = true; 1712 // We reset the save index when we change pages so that it will be recalculated on next 1713 // rotation 1714 mSaveInstanceStateItemIndex = -1; 1715 } 1716 1717 /* 1718 * AllAppsView implementation 1719 */ 1720 @Override 1721 public void setup(Launcher launcher, DragController dragController) { 1722 mLauncher = launcher; 1723 mDragController = dragController; 1724 } 1725 @Override 1726 public void zoom(float zoom, boolean animate) { 1727 // TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed() 1728 } 1729 @Override 1730 public boolean isVisible() { 1731 return (getVisibility() == VISIBLE); 1732 } 1733 @Override 1734 public boolean isAnimating() { 1735 return false; 1736 } 1737 @Override 1738 public void setApps(ArrayList<ApplicationInfo> list) { 1739 mApps = list; 1740 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); 1741 Log.d(TAG, "6549598 setApps mApps.size(): " + mApps.size()); 1742 updatePageCounts(); 1743 1744 // The next layout pass will trigger data-ready if both widgets and apps are set, so 1745 // request a layout to do this test and invalidate the page data when ready. 1746 if (testDataReady()) requestLayout(); 1747 } 1748 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1749 // We add it in place, in alphabetical order 1750 int count = list.size(); 1751 for (int i = 0; i < count; ++i) { 1752 ApplicationInfo info = list.get(i); 1753 int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); 1754 if (index < 0) { 1755 mApps.add(-(index + 1), info); 1756 } 1757 } 1758 } 1759 @Override 1760 public void addApps(ArrayList<ApplicationInfo> list) { 1761 addAppsWithoutInvalidate(list); 1762 Log.d(TAG, "6549598 addApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1763 updatePageCounts(); 1764 invalidatePageData(); 1765 Log.d(TAG, "6549598 addApps mNumAppsPages: " + mNumAppsPages); 1766 } 1767 private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { 1768 ComponentName removeComponent = item.intent.getComponent(); 1769 int length = list.size(); 1770 for (int i = 0; i < length; ++i) { 1771 ApplicationInfo info = list.get(i); 1772 if (info.intent.getComponent().equals(removeComponent)) { 1773 return i; 1774 } 1775 } 1776 return -1; 1777 } 1778 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1779 // loop through all the apps and remove apps that have the same component 1780 int length = list.size(); 1781 for (int i = 0; i < length; ++i) { 1782 ApplicationInfo info = list.get(i); 1783 int removeIndex = findAppByComponent(mApps, info); 1784 if (removeIndex > -1) { 1785 mApps.remove(removeIndex); 1786 } 1787 } 1788 } 1789 @Override 1790 public void removeApps(ArrayList<ApplicationInfo> list) { 1791 removeAppsWithoutInvalidate(list); 1792 Log.d(TAG, "6549598 removeApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1793 updatePageCounts(); 1794 invalidatePageData(); 1795 Log.d(TAG, "6549598 removeApps mNumAppsPages: " + mNumAppsPages); 1796 } 1797 @Override 1798 public void updateApps(ArrayList<ApplicationInfo> list) { 1799 // We remove and re-add the updated applications list because it's properties may have 1800 // changed (ie. the title), and this will ensure that the items will be in their proper 1801 // place in the list. 1802 removeAppsWithoutInvalidate(list); 1803 addAppsWithoutInvalidate(list); 1804 Log.d(TAG, "6549598 updateApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1805 updatePageCounts(); 1806 invalidatePageData(); 1807 Log.d(TAG, "6549598 updateApps mNumAppsPages: " + mNumAppsPages); 1808 } 1809 1810 @Override 1811 public void reset() { 1812 Log.d(TAG, "6549598 reset"); 1813 // If we have reset, then we should not continue to restore the previous state 1814 mSaveInstanceStateItemIndex = -1; 1815 1816 AppsCustomizeTabHost tabHost = getTabHost(); 1817 String tag = tabHost.getCurrentTabTag(); 1818 if (tag != null) { 1819 if (!tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) { 1820 tabHost.setCurrentTabFromContent(ContentType.Applications); 1821 } 1822 } 1823 1824 if (mCurrentPage != 0) { 1825 invalidatePageData(0); 1826 } 1827 } 1828 1829 private AppsCustomizeTabHost getTabHost() { 1830 return (AppsCustomizeTabHost) mLauncher.findViewById(R.id.apps_customize_pane); 1831 } 1832 1833 @Override 1834 public void dumpState() { 1835 // TODO: Dump information related to current list of Applications, Widgets, etc. 1836 ApplicationInfo.dumpApplicationInfoList(TAG, "mApps", mApps); 1837 dumpAppWidgetProviderInfoList(TAG, "mWidgets", mWidgets); 1838 } 1839 1840 private void dumpAppWidgetProviderInfoList(String tag, String label, 1841 ArrayList<Object> list) { 1842 Log.d(tag, label + " size=" + list.size()); 1843 for (Object i: list) { 1844 if (i instanceof AppWidgetProviderInfo) { 1845 AppWidgetProviderInfo info = (AppWidgetProviderInfo) i; 1846 Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage 1847 + " resizeMode=" + info.resizeMode + " configure=" + info.configure 1848 + " initialLayout=" + info.initialLayout 1849 + " minWidth=" + info.minWidth + " minHeight=" + info.minHeight); 1850 } else if (i instanceof ResolveInfo) { 1851 ResolveInfo info = (ResolveInfo) i; 1852 Log.d(tag, " label=\"" + info.loadLabel(mPackageManager) + "\" icon=" 1853 + info.icon); 1854 } 1855 } 1856 } 1857 1858 @Override 1859 public void surrender() { 1860 // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we 1861 // should stop this now. 1862 1863 // Stop all background tasks 1864 cancelAllTasks(); 1865 } 1866 1867 @Override 1868 public void iconPressed(PagedViewIcon icon) { 1869 // Reset the previously pressed icon and store a reference to the pressed icon so that 1870 // we can reset it on return to Launcher (in Launcher.onResume()) 1871 if (mPressedIcon != null) { 1872 mPressedIcon.resetDrawableState(); 1873 } 1874 mPressedIcon = icon; 1875 } 1876 1877 public void resetDrawableState() { 1878 if (mPressedIcon != null) { 1879 mPressedIcon.resetDrawableState(); 1880 mPressedIcon = null; 1881 } 1882 } 1883 1884 /* 1885 * We load an extra page on each side to prevent flashes from scrolling and loading of the 1886 * widget previews in the background with the AsyncTasks. 1887 */ 1888 final static int sLookBehindPageCount = 2; 1889 final static int sLookAheadPageCount = 2; 1890 protected int getAssociatedLowerPageBound(int page) { 1891 final int count = getChildCount(); 1892 int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); 1893 int windowMinIndex = Math.max(Math.min(page - sLookBehindPageCount, count - windowSize), 0); 1894 return windowMinIndex; 1895 } 1896 protected int getAssociatedUpperPageBound(int page) { 1897 final int count = getChildCount(); 1898 int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); 1899 int windowMaxIndex = Math.min(Math.max(page + sLookAheadPageCount, windowSize - 1), 1900 count - 1); 1901 return windowMaxIndex; 1902 } 1903 1904 @Override 1905 protected String getCurrentPageDescription() { 1906 int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage; 1907 int stringId = R.string.default_scroll_format; 1908 int count = 0; 1909 1910 if (page < mNumAppsPages) { 1911 stringId = R.string.apps_customize_apps_scroll_format; 1912 count = mNumAppsPages; 1913 } else { 1914 page -= mNumAppsPages; 1915 stringId = R.string.apps_customize_widgets_scroll_format; 1916 count = mNumWidgetPages; 1917 } 1918 1919 return String.format(getContext().getString(stringId), page + 1, count); 1920 } 1921} 1922