AppsCustomizePagedView.java revision 7c7a22dc61d3fbe99be75c72a75dc4882a2ea3e3
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 Log.d(TAG, "6557954 Preload widget: " + info.info); 658 final AppWidgetProviderInfo pInfo = info.info; 659 if (pInfo.configure != null) { 660 return; 661 } 662 663 mWidgetCleanupState = WIDGET_PRELOAD_PENDING; 664 mBindWidgetRunnable = new Runnable() { 665 @Override 666 public void run() { 667 Log.d(TAG, " 6557954 Preload, bind widget: " + info.info); 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 Log.d(TAG, " 6557954 Preload, inflate widget: " + info.info); 684 mWidgetCleanupState = WIDGET_INFLATED; 685 hostView.setVisibility(INVISIBLE); 686 int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(info.spanX, 687 info.spanY, info, false); 688 689 // We want the first widget layout to be the correct size. This will be important 690 // for width size reporting to the AppWidgetManager. 691 DragLayer.LayoutParams lp = new DragLayer.LayoutParams(unScaledSize[0], 692 unScaledSize[1]); 693 lp.x = lp.y = 0; 694 lp.customPosition = true; 695 hostView.setLayoutParams(lp); 696 mLauncher.getDragLayer().addView(hostView); 697 } 698 }; 699 post(mInflateWidgetRunnable); 700 } 701 702 @Override 703 public void onShortPress(View v) { 704 // We are anticipating a long press, and we use this time to load bind and instantiate 705 // the widget. This will need to be cleaned up if it turns out no long press occurs. 706 if (mCreateWidgetInfo != null) { 707 // Just in case the cleanup process wasn't properly executed. This shouldn't happen. 708 Log.d(TAG, "**** 6557954 Previous shortpress not cleaned up, cleaning up now: " + mCreateWidgetInfo.info); 709 cleanupWidgetPreloading(false); 710 } 711 mCreateWidgetInfo = new PendingAddWidgetInfo((PendingAddWidgetInfo) v.getTag()); 712 Log.d(TAG, "6557954 Short press triggered for view: " + v + ", widget info: " + mCreateWidgetInfo.info); 713 preloadWidget(mCreateWidgetInfo); 714 } 715 716 private void cleanupWidgetPreloading(boolean widgetWasAdded) { 717 Log.d(TAG, "6557954 Cleaning up widget, was added: " + widgetWasAdded); 718 if (mCreateWidgetInfo != null) { 719 Log.d(TAG, " 6557954 Cleaning up widget, widget info: " + mCreateWidgetInfo.info); 720 } 721 722 if (!widgetWasAdded) { 723 // If the widget was not added, we may need to do further cleanup. 724 PendingAddWidgetInfo info = mCreateWidgetInfo; 725 mCreateWidgetInfo = null; 726 727 if (mWidgetCleanupState == WIDGET_PRELOAD_PENDING) { 728 Log.d(TAG, " 6557954 Cleaning up widget, remove preload callbacks"); 729 // We never did any preloading, so just remove pending callbacks to do so 730 removeCallbacks(mBindWidgetRunnable); 731 removeCallbacks(mInflateWidgetRunnable); 732 } else if (mWidgetCleanupState == WIDGET_BOUND) { 733 // Delete the widget id which was allocated 734 if (mWidgetLoadingId != -1) { 735 Log.d(TAG, " 6557954 Cleaning up widget, delete widget id"); 736 mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); 737 } 738 739 // We never got around to inflating the widget, so remove the callback to do so. 740 Log.d(TAG, " 6557954 Cleaning up widget, remove callbacks"); 741 removeCallbacks(mInflateWidgetRunnable); 742 } else if (mWidgetCleanupState == WIDGET_INFLATED) { 743 // Delete the widget id which was allocated 744 if (mWidgetLoadingId != -1) { 745 Log.d(TAG, " 6557954 Cleaning up widget, delete widget id"); 746 mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); 747 } 748 749 // The widget was inflated and added to the DragLayer -- remove it. 750 Log.d(TAG, " 6557954 Cleaning up widget, remove inflated widget from draglayer"); 751 AppWidgetHostView widget = info.boundWidget; 752 mLauncher.getDragLayer().removeView(widget); 753 } 754 } 755 mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED; 756 mWidgetLoadingId = -1; 757 mCreateWidgetInfo = null; 758 PagedViewWidget.resetShortPressTarget(); 759 } 760 761 @Override 762 public void cleanUpShortPress(View v) { 763 Log.d(TAG, "6557954 Cleanup shortpress"); 764 if (!mDraggingWidget) { 765 Log.d(TAG, " 6557954 Cleanup shortpress, cleanup cleanup preloading"); 766 cleanupWidgetPreloading(false); 767 } 768 } 769 770 private boolean beginDraggingWidget(View v) { 771 mDraggingWidget = true; 772 // Get the widget preview as the drag representation 773 ImageView image = (ImageView) v.findViewById(R.id.widget_preview); 774 PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 775 776 if (createItemInfo instanceof PendingAddWidgetInfo) { 777 PendingAddWidgetInfo createWidgetInfo = mCreateWidgetInfo; 778 Log.d(TAG, "6557954 Begin dragging widget, view: " + v + ", widget info: " + createWidgetInfo.info); 779 } 780 781 // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and 782 // we abort the drag. 783 if (image.getDrawable() == null) { 784 Log.d(TAG, " 6557954 Begin dragging widget, abort, no drawable set"); 785 mDraggingWidget = false; 786 return false; 787 } 788 789 // Compose the drag image 790 Bitmap preview; 791 Bitmap outline; 792 float scale = 1f; 793 if (createItemInfo instanceof PendingAddWidgetInfo) { 794 // This can happen in some weird cases involving multi-touch. We can't start dragging 795 // the widget if this is null, so we break out. 796 if (mCreateWidgetInfo == null) { 797 return false; 798 } 799 800 PendingAddWidgetInfo createWidgetInfo = mCreateWidgetInfo; 801 createItemInfo = createWidgetInfo; 802 int spanX = createItemInfo.spanX; 803 int spanY = createItemInfo.spanY; 804 int[] size = mLauncher.getWorkspace().estimateItemSize(spanX, spanY, 805 createWidgetInfo, true); 806 807 FastBitmapDrawable previewDrawable = (FastBitmapDrawable) image.getDrawable(); 808 float minScale = 1.25f; 809 int maxWidth, maxHeight; 810 maxWidth = Math.min((int) (previewDrawable.getIntrinsicWidth() * minScale), size[0]); 811 maxHeight = Math.min((int) (previewDrawable.getIntrinsicHeight() * minScale), size[1]); 812 preview = getWidgetPreview(createWidgetInfo.componentName, createWidgetInfo.previewImage, 813 createWidgetInfo.icon, spanX, spanY, maxWidth, maxHeight); 814 815 // Determine the image view drawable scale relative to the preview 816 float[] mv = new float[9]; 817 Matrix m = new Matrix(); 818 m.setRectToRect( 819 new RectF(0f, 0f, (float) preview.getWidth(), (float) preview.getHeight()), 820 new RectF(0f, 0f, (float) previewDrawable.getIntrinsicWidth(), 821 (float) previewDrawable.getIntrinsicHeight()), 822 Matrix.ScaleToFit.START); 823 m.getValues(mv); 824 scale = (float) mv[0]; 825 } else { 826 PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag(); 827 Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.shortcutActivityInfo); 828 preview = Bitmap.createBitmap(icon.getIntrinsicWidth(), 829 icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); 830 831 mCanvas.setBitmap(preview); 832 mCanvas.save(); 833 renderDrawableToBitmap(icon, preview, 0, 0, 834 icon.getIntrinsicWidth(), icon.getIntrinsicHeight()); 835 mCanvas.restore(); 836 mCanvas.setBitmap(null); 837 createItemInfo.spanX = createItemInfo.spanY = 1; 838 } 839 840 // We use a custom alpha clip table for the default widget previews 841 Paint alphaClipPaint = null; 842 if (createItemInfo instanceof PendingAddWidgetInfo) { 843 if (((PendingAddWidgetInfo) createItemInfo).previewImage != 0) { 844 MaskFilter alphaClipTable = TableMaskFilter.CreateClipTable(0, 255); 845 alphaClipPaint = new Paint(); 846 alphaClipPaint.setMaskFilter(alphaClipTable); 847 } 848 } 849 850 // Save the preview for the outline generation, then dim the preview 851 outline = Bitmap.createScaledBitmap(preview, preview.getWidth(), preview.getHeight(), 852 false); 853 854 // Start the drag 855 alphaClipPaint = null; 856 mLauncher.lockScreenOrientation(); 857 mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, outline, alphaClipPaint); 858 mDragController.startDrag(image, preview, this, createItemInfo, 859 DragController.DRAG_ACTION_COPY, null, scale); 860 outline.recycle(); 861 preview.recycle(); 862 return true; 863 } 864 865 @Override 866 protected boolean beginDragging(final View v) { 867 if (!super.beginDragging(v)) return false; 868 869 if (v instanceof PagedViewIcon) { 870 beginDraggingApplication(v); 871 } else if (v instanceof PagedViewWidget) { 872 if (!beginDraggingWidget(v)) { 873 return false; 874 } 875 } 876 877 // We delay entering spring-loaded mode slightly to make sure the UI 878 // thready is free of any work. 879 postDelayed(new Runnable() { 880 @Override 881 public void run() { 882 // We don't enter spring-loaded mode if the drag has been cancelled 883 if (mLauncher.getDragController().isDragging()) { 884 // Dismiss the cling 885 mLauncher.dismissAllAppsCling(null); 886 887 // Reset the alpha on the dragged icon before we drag 888 resetDrawableState(); 889 890 // Go into spring loaded mode (must happen before we startDrag()) 891 mLauncher.enterSpringLoadedDragMode(); 892 } 893 } 894 }, 150); 895 896 return true; 897 } 898 899 /** 900 * Clean up after dragging. 901 * 902 * @param target where the item was dragged to (can be null if the item was flung) 903 */ 904 private void endDragging(View target, boolean isFlingToDelete, boolean success) { 905 if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && 906 !(target instanceof DeleteDropTarget))) { 907 // Exit spring loaded mode if we have not successfully dropped or have not handled the 908 // drop in Workspace 909 mLauncher.exitSpringLoadedDragMode(); 910 } 911 mLauncher.unlockScreenOrientation(false); 912 } 913 914 @Override 915 public View getContent() { 916 return null; 917 } 918 919 @Override 920 public void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace) { 921 mInTransition = true; 922 if (toWorkspace) { 923 cancelAllTasks(); 924 } 925 } 926 927 @Override 928 public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) { 929 } 930 931 @Override 932 public void onLauncherTransitionStep(Launcher l, float t) { 933 } 934 935 @Override 936 public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) { 937 Log.d(TAG, "6549598 onLauncherTransitionEnd"); 938 mInTransition = false; 939 for (AsyncTaskPageData d : mDeferredSyncWidgetPageItems) { 940 onSyncWidgetPageItems(d); 941 } 942 mDeferredSyncWidgetPageItems.clear(); 943 mForceDrawAllChildrenNextFrame = !toWorkspace; 944 } 945 946 @Override 947 public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, 948 boolean success) { 949 // Return early and wait for onFlingToDeleteCompleted if this was the result of a fling 950 if (isFlingToDelete) return; 951 952 endDragging(target, false, success); 953 954 // Display an error message if the drag failed due to there not being enough space on the 955 // target layout we were dropping on. 956 if (!success) { 957 boolean showOutOfSpaceMessage = false; 958 if (target instanceof Workspace) { 959 int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 960 Workspace workspace = (Workspace) target; 961 CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 962 ItemInfo itemInfo = (ItemInfo) d.dragInfo; 963 if (layout != null) { 964 layout.calculateSpans(itemInfo); 965 showOutOfSpaceMessage = 966 !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 967 } 968 } 969 if (showOutOfSpaceMessage) { 970 mLauncher.showOutOfSpaceMessage(false); 971 } 972 973 d.deferDragViewCleanupPostAnimation = false; 974 } 975 cleanupWidgetPreloading(success); 976 mDraggingWidget = false; 977 } 978 979 @Override 980 public void onFlingToDeleteCompleted() { 981 // We just dismiss the drag when we fling, so cleanup here 982 endDragging(null, true, true); 983 cleanupWidgetPreloading(false); 984 mDraggingWidget = false; 985 } 986 987 @Override 988 public boolean supportsFlingToDelete() { 989 return true; 990 } 991 992 @Override 993 protected void onDetachedFromWindow() { 994 super.onDetachedFromWindow(); 995 cancelAllTasks(); 996 } 997 998 public void clearAllWidgetPages() { 999 cancelAllTasks(); 1000 int count = getChildCount(); 1001 for (int i = 0; i < count; i++) { 1002 View v = getPageAt(i); 1003 if (v instanceof PagedViewGridLayout) { 1004 ((PagedViewGridLayout) v).removeAllViewsOnPage(); 1005 mDirtyPageContent.set(i, true); 1006 } 1007 } 1008 } 1009 1010 private void cancelAllTasks() { 1011 // Clean up all the async tasks 1012 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1013 while (iter.hasNext()) { 1014 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1015 task.cancel(false); 1016 iter.remove(); 1017 mDirtyPageContent.set(task.page, true); 1018 1019 // We've already preallocated the views for the data to load into, so clear them as well 1020 View v = getPageAt(task.page); 1021 if (v instanceof PagedViewGridLayout) { 1022 ((PagedViewGridLayout) v).removeAllViewsOnPage(); 1023 } 1024 } 1025 mDeferredSyncWidgetPageItems.clear(); 1026 } 1027 1028 public void setContentType(ContentType type) { 1029 Log.d(TAG, "6549598 setContentType mNumAppsPages: " + mNumAppsPages); 1030 if (type == ContentType.Widgets) { 1031 invalidatePageData(mNumAppsPages, true); 1032 } else if (type == ContentType.Applications) { 1033 invalidatePageData(0, true); 1034 } 1035 } 1036 1037 protected void snapToPage(int whichPage, int delta, int duration) { 1038 super.snapToPage(whichPage, delta, duration); 1039 updateCurrentTab(whichPage); 1040 1041 // Update the thread priorities given the direction lookahead 1042 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1043 while (iter.hasNext()) { 1044 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1045 int pageIndex = task.page; 1046 if ((mNextPage > mCurrentPage && pageIndex >= mCurrentPage) || 1047 (mNextPage < mCurrentPage && pageIndex <= mCurrentPage)) { 1048 task.setThreadPriority(getThreadPriorityForPage(pageIndex)); 1049 } else { 1050 task.setThreadPriority(Process.THREAD_PRIORITY_LOWEST); 1051 } 1052 } 1053 } 1054 1055 private void updateCurrentTab(int currentPage) { 1056 Log.d(TAG, "6549598 updateCurrentTab mNumAppsPages: " + mNumAppsPages); 1057 AppsCustomizeTabHost tabHost = getTabHost(); 1058 if (tabHost != null) { 1059 String tag = tabHost.getCurrentTabTag(); 1060 if (tag != null) { 1061 if (currentPage >= mNumAppsPages && 1062 !tag.equals(tabHost.getTabTagForContentType(ContentType.Widgets))) { 1063 tabHost.setCurrentTabFromContent(ContentType.Widgets); 1064 } else if (currentPage < mNumAppsPages && 1065 !tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) { 1066 tabHost.setCurrentTabFromContent(ContentType.Applications); 1067 } 1068 } 1069 } 1070 } 1071 1072 /* 1073 * Apps PagedView implementation 1074 */ 1075 private void setVisibilityOnChildren(ViewGroup layout, int visibility) { 1076 int childCount = layout.getChildCount(); 1077 for (int i = 0; i < childCount; ++i) { 1078 layout.getChildAt(i).setVisibility(visibility); 1079 } 1080 } 1081 private void setupPage(PagedViewCellLayout layout) { 1082 layout.setCellCount(mCellCountX, mCellCountY); 1083 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 1084 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 1085 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 1086 1087 // Note: We force a measure here to get around the fact that when we do layout calculations 1088 // immediately after syncing, we don't have a proper width. That said, we already know the 1089 // expected page width, so we can actually optimize by hiding all the TextView-based 1090 // children that are expensive to measure, and let that happen naturally later. 1091 setVisibilityOnChildren(layout, View.GONE); 1092 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 1093 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 1094 layout.setMinimumWidth(getPageContentWidth()); 1095 layout.measure(widthSpec, heightSpec); 1096 setVisibilityOnChildren(layout, View.VISIBLE); 1097 } 1098 1099 public void syncAppsPageItems(int page, boolean immediate) { 1100 Log.d(TAG, "6549598 syncAppsPageItems page: " + page); 1101 // ensure that we have the right number of items on the pages 1102 int numCells = mCellCountX * mCellCountY; 1103 int startIndex = page * numCells; 1104 int endIndex = Math.min(startIndex + numCells, mApps.size()); 1105 PagedViewCellLayout layout = (PagedViewCellLayout) getPageAt(page); 1106 1107 layout.removeAllViewsOnPage(); 1108 ArrayList<Object> items = new ArrayList<Object>(); 1109 ArrayList<Bitmap> images = new ArrayList<Bitmap>(); 1110 for (int i = startIndex; i < endIndex; ++i) { 1111 ApplicationInfo info = mApps.get(i); 1112 PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate( 1113 R.layout.apps_customize_application, layout, false); 1114 icon.applyFromApplicationInfo(info, true, this); 1115 icon.setOnClickListener(this); 1116 icon.setOnLongClickListener(this); 1117 icon.setOnTouchListener(this); 1118 icon.setOnKeyListener(this); 1119 1120 int index = i - startIndex; 1121 int x = index % mCellCountX; 1122 int y = index / mCellCountX; 1123 layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); 1124 1125 items.add(info); 1126 images.add(info.iconBitmap); 1127 } 1128 1129 layout.createHardwareLayers(); 1130 } 1131 1132 /** 1133 * A helper to return the priority for loading of the specified widget page. 1134 */ 1135 private int getWidgetPageLoadPriority(int page) { 1136 // If we are snapping to another page, use that index as the target page index 1137 int toPage = mCurrentPage; 1138 if (mNextPage > -1) { 1139 toPage = mNextPage; 1140 } 1141 1142 // We use the distance from the target page as an initial guess of priority, but if there 1143 // are no pages of higher priority than the page specified, then bump up the priority of 1144 // the specified page. 1145 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1146 int minPageDiff = Integer.MAX_VALUE; 1147 while (iter.hasNext()) { 1148 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1149 minPageDiff = Math.abs(task.page - toPage); 1150 } 1151 1152 int rawPageDiff = Math.abs(page - toPage); 1153 return rawPageDiff - Math.min(rawPageDiff, minPageDiff); 1154 } 1155 /** 1156 * Return the appropriate thread priority for loading for a given page (we give the current 1157 * page much higher priority) 1158 */ 1159 private int getThreadPriorityForPage(int page) { 1160 // TODO-APPS_CUSTOMIZE: detect number of cores and set thread priorities accordingly below 1161 int pageDiff = getWidgetPageLoadPriority(page); 1162 if (pageDiff <= 0) { 1163 return Process.THREAD_PRIORITY_LESS_FAVORABLE; 1164 } else if (pageDiff <= 1) { 1165 return Process.THREAD_PRIORITY_LOWEST; 1166 } else { 1167 return Process.THREAD_PRIORITY_LOWEST; 1168 } 1169 } 1170 private int getSleepForPage(int page) { 1171 int pageDiff = getWidgetPageLoadPriority(page); 1172 return Math.max(0, pageDiff * sPageSleepDelay); 1173 } 1174 /** 1175 * Creates and executes a new AsyncTask to load a page of widget previews. 1176 */ 1177 private void prepareLoadWidgetPreviewsTask(int page, ArrayList<Object> widgets, 1178 int cellWidth, int cellHeight, int cellCountX) { 1179 1180 // Prune all tasks that are no longer needed 1181 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1182 while (iter.hasNext()) { 1183 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1184 int taskPage = task.page; 1185 if (taskPage < getAssociatedLowerPageBound(mCurrentPage) || 1186 taskPage > getAssociatedUpperPageBound(mCurrentPage)) { 1187 task.cancel(false); 1188 iter.remove(); 1189 } else { 1190 task.setThreadPriority(getThreadPriorityForPage(taskPage)); 1191 } 1192 } 1193 1194 // We introduce a slight delay to order the loading of side pages so that we don't thrash 1195 final int sleepMs = getSleepForPage(page); 1196 AsyncTaskPageData pageData = new AsyncTaskPageData(page, widgets, cellWidth, cellHeight, 1197 new AsyncTaskCallback() { 1198 @Override 1199 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 1200 try { 1201 try { 1202 Thread.sleep(sleepMs); 1203 } catch (Exception e) {} 1204 loadWidgetPreviewsInBackground(task, data); 1205 } finally { 1206 if (task.isCancelled()) { 1207 data.cleanup(true); 1208 } 1209 } 1210 } 1211 }, 1212 new AsyncTaskCallback() { 1213 @Override 1214 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 1215 mRunningTasks.remove(task); 1216 if (task.isCancelled()) return; 1217 // do cleanup inside onSyncWidgetPageItems 1218 onSyncWidgetPageItems(data); 1219 } 1220 }); 1221 1222 // Ensure that the task is appropriately prioritized and runs in parallel 1223 AppsCustomizeAsyncTask t = new AppsCustomizeAsyncTask(page, 1224 AsyncTaskPageData.Type.LoadWidgetPreviewData); 1225 t.setThreadPriority(getThreadPriorityForPage(page)); 1226 t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pageData); 1227 mRunningTasks.add(t); 1228 } 1229 1230 /* 1231 * Widgets PagedView implementation 1232 */ 1233 private void setupPage(PagedViewGridLayout layout) { 1234 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 1235 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 1236 1237 // Note: We force a measure here to get around the fact that when we do layout calculations 1238 // immediately after syncing, we don't have a proper width. 1239 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 1240 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 1241 layout.setMinimumWidth(getPageContentWidth()); 1242 layout.measure(widthSpec, heightSpec); 1243 } 1244 1245 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h) { 1246 renderDrawableToBitmap(d, bitmap, x, y, w, h, 1f); 1247 } 1248 1249 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 1250 float scale) { 1251 if (bitmap != null) { 1252 Canvas c = new Canvas(bitmap); 1253 c.scale(scale, scale); 1254 Rect oldBounds = d.copyBounds(); 1255 d.setBounds(x, y, x + w, y + h); 1256 d.draw(c); 1257 d.setBounds(oldBounds); // Restore the bounds 1258 c.setBitmap(null); 1259 } 1260 } 1261 1262 private Bitmap getShortcutPreview(ResolveInfo info, int maxWidth, int maxHeight) { 1263 Bitmap tempBitmap = mCachedShortcutPreviewBitmap.get(); 1264 final Canvas c = mCachedShortcutPreviewCanvas.get(); 1265 if (tempBitmap == null || 1266 tempBitmap.getWidth() != maxWidth || 1267 tempBitmap.getHeight() != maxHeight) { 1268 tempBitmap = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 1269 mCachedShortcutPreviewBitmap.set(tempBitmap); 1270 } else { 1271 c.setBitmap(tempBitmap); 1272 c.drawColor(0, PorterDuff.Mode.CLEAR); 1273 c.setBitmap(null); 1274 } 1275 // Render the icon 1276 Drawable icon = mIconCache.getFullResIcon(info); 1277 1278 int paddingTop = 1279 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_top); 1280 int paddingLeft = 1281 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_left); 1282 int paddingRight = 1283 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_right); 1284 1285 int scaledIconWidth = (maxWidth - paddingLeft - paddingRight); 1286 float scaleSize = scaledIconWidth / (float) mAppIconSize; 1287 1288 renderDrawableToBitmap( 1289 icon, tempBitmap, paddingLeft, paddingTop, scaledIconWidth, scaledIconWidth); 1290 1291 Bitmap preview = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 1292 c.setBitmap(preview); 1293 Paint p = mCachedShortcutPreviewPaint.get(); 1294 if (p == null) { 1295 p = new Paint(); 1296 ColorMatrix colorMatrix = new ColorMatrix(); 1297 colorMatrix.setSaturation(0); 1298 p.setColorFilter(new ColorMatrixColorFilter(colorMatrix)); 1299 p.setAlpha((int) (255 * 0.06f)); 1300 //float density = 1f; 1301 //p.setMaskFilter(new BlurMaskFilter(15*density, BlurMaskFilter.Blur.NORMAL)); 1302 mCachedShortcutPreviewPaint.set(p); 1303 } 1304 c.drawBitmap(tempBitmap, 0, 0, p); 1305 c.setBitmap(null); 1306 1307 renderDrawableToBitmap(icon, preview, 0, 0, mAppIconSize, mAppIconSize); 1308 1309 return preview; 1310 } 1311 1312 private Bitmap getWidgetPreview(ComponentName provider, int previewImage, 1313 int iconId, int cellHSpan, int cellVSpan, int maxWidth, 1314 int maxHeight) { 1315 // Load the preview image if possible 1316 String packageName = provider.getPackageName(); 1317 if (maxWidth < 0) maxWidth = Integer.MAX_VALUE; 1318 if (maxHeight < 0) maxHeight = Integer.MAX_VALUE; 1319 1320 Drawable drawable = null; 1321 if (previewImage != 0) { 1322 drawable = mPackageManager.getDrawable(packageName, previewImage, null); 1323 if (drawable == null) { 1324 Log.w(TAG, "Can't load widget preview drawable 0x" + 1325 Integer.toHexString(previewImage) + " for provider: " + provider); 1326 } 1327 } 1328 1329 int bitmapWidth; 1330 int bitmapHeight; 1331 Bitmap defaultPreview = null; 1332 boolean widgetPreviewExists = (drawable != null); 1333 if (widgetPreviewExists) { 1334 bitmapWidth = drawable.getIntrinsicWidth(); 1335 bitmapHeight = drawable.getIntrinsicHeight(); 1336 } else { 1337 // Generate a preview image if we couldn't load one 1338 if (cellHSpan < 1) cellHSpan = 1; 1339 if (cellVSpan < 1) cellVSpan = 1; 1340 1341 BitmapDrawable previewDrawable = (BitmapDrawable) getResources() 1342 .getDrawable(R.drawable.widget_preview_tile); 1343 final int previewDrawableWidth = previewDrawable 1344 .getIntrinsicWidth(); 1345 final int previewDrawableHeight = previewDrawable 1346 .getIntrinsicHeight(); 1347 bitmapWidth = previewDrawableWidth * cellHSpan; // subtract 2 dips 1348 bitmapHeight = previewDrawableHeight * cellVSpan; 1349 1350 defaultPreview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, 1351 Config.ARGB_8888); 1352 final Canvas c = mCachedAppWidgetPreviewCanvas.get(); 1353 c.setBitmap(defaultPreview); 1354 previewDrawable.setBounds(0, 0, bitmapWidth, bitmapHeight); 1355 previewDrawable.setTileModeXY(Shader.TileMode.REPEAT, 1356 Shader.TileMode.REPEAT); 1357 previewDrawable.draw(c); 1358 c.setBitmap(null); 1359 1360 // Draw the icon in the top left corner 1361 int minOffset = (int) (mAppIconSize * sWidgetPreviewIconPaddingPercentage); 1362 int smallestSide = Math.min(bitmapWidth, bitmapHeight); 1363 float iconScale = Math.min((float) smallestSide 1364 / (mAppIconSize + 2 * minOffset), 1f); 1365 1366 try { 1367 Drawable icon = null; 1368 int hoffset = 1369 (int) ((previewDrawableWidth - mAppIconSize * iconScale) / 2); 1370 int yoffset = 1371 (int) ((previewDrawableHeight - mAppIconSize * iconScale) / 2); 1372 if (iconId > 0) 1373 icon = mIconCache.getFullResIcon(packageName, iconId); 1374 Resources resources = mLauncher.getResources(); 1375 if (icon != null) { 1376 renderDrawableToBitmap(icon, defaultPreview, hoffset, 1377 yoffset, (int) (mAppIconSize * iconScale), 1378 (int) (mAppIconSize * iconScale)); 1379 } 1380 } catch (Resources.NotFoundException e) { 1381 } 1382 } 1383 1384 // Scale to fit width only - let the widget preview be clipped in the 1385 // vertical dimension 1386 float scale = 1f; 1387 if (bitmapWidth > maxWidth) { 1388 scale = maxWidth / (float) bitmapWidth; 1389 } 1390 if (scale != 1f) { 1391 bitmapWidth = (int) (scale * bitmapWidth); 1392 bitmapHeight = (int) (scale * bitmapHeight); 1393 } 1394 1395 Bitmap preview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, 1396 Config.ARGB_8888); 1397 1398 // Draw the scaled preview into the final bitmap 1399 if (widgetPreviewExists) { 1400 renderDrawableToBitmap(drawable, preview, 0, 0, bitmapWidth, 1401 bitmapHeight); 1402 } else { 1403 final Canvas c = mCachedAppWidgetPreviewCanvas.get(); 1404 final Rect src = mCachedAppWidgetPreviewSrcRect.get(); 1405 final Rect dest = mCachedAppWidgetPreviewDestRect.get(); 1406 c.setBitmap(preview); 1407 src.set(0, 0, defaultPreview.getWidth(), defaultPreview.getHeight()); 1408 dest.set(0, 0, preview.getWidth(), preview.getHeight()); 1409 1410 Paint p = mCachedAppWidgetPreviewPaint.get(); 1411 if (p == null) { 1412 p = new Paint(); 1413 p.setFilterBitmap(true); 1414 mCachedAppWidgetPreviewPaint.set(p); 1415 } 1416 c.drawBitmap(defaultPreview, src, dest, p); 1417 c.setBitmap(null); 1418 } 1419 return preview; 1420 } 1421 1422 public void syncWidgetPageItems(final int page, final boolean immediate) { 1423 Log.d(TAG, "6549598 syncWidgetPageItems page: " + page); 1424 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 1425 1426 // Calculate the dimensions of each cell we are giving to each widget 1427 final ArrayList<Object> items = new ArrayList<Object>(); 1428 int contentWidth = mWidgetSpacingLayout.getContentWidth(); 1429 final int cellWidth = ((contentWidth - mPageLayoutPaddingLeft - mPageLayoutPaddingRight 1430 - ((mWidgetCountX - 1) * mWidgetWidthGap)) / mWidgetCountX); 1431 int contentHeight = mWidgetSpacingLayout.getContentHeight(); 1432 final int cellHeight = ((contentHeight - mPageLayoutPaddingTop - mPageLayoutPaddingBottom 1433 - ((mWidgetCountY - 1) * mWidgetHeightGap)) / mWidgetCountY); 1434 1435 // Prepare the set of widgets to load previews for in the background 1436 int offset = (page - mNumAppsPages) * numItemsPerPage; 1437 for (int i = offset; i < Math.min(offset + numItemsPerPage, mWidgets.size()); ++i) { 1438 items.add(mWidgets.get(i)); 1439 } 1440 1441 // Prepopulate the pages with the other widget info, and fill in the previews later 1442 final PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); 1443 layout.setColumnCount(layout.getCellCountX()); 1444 for (int i = 0; i < items.size(); ++i) { 1445 Object rawInfo = items.get(i); 1446 PendingAddItemInfo createItemInfo = null; 1447 PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate( 1448 R.layout.apps_customize_widget, layout, false); 1449 if (rawInfo instanceof AppWidgetProviderInfo) { 1450 // Fill in the widget information 1451 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1452 createItemInfo = new PendingAddWidgetInfo(info, null, null); 1453 1454 // Determine the widget spans and min resize spans. 1455 int[] spanXY = Launcher.getSpanForWidget(mLauncher, info); 1456 createItemInfo.spanX = spanXY[0]; 1457 createItemInfo.spanY = spanXY[1]; 1458 int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, info); 1459 createItemInfo.minSpanX = minSpanXY[0]; 1460 createItemInfo.minSpanY = minSpanXY[1]; 1461 1462 widget.applyFromAppWidgetProviderInfo(info, -1, spanXY); 1463 widget.setTag(createItemInfo); 1464 widget.setShortPressListener(this); 1465 } else if (rawInfo instanceof ResolveInfo) { 1466 // Fill in the shortcuts information 1467 ResolveInfo info = (ResolveInfo) rawInfo; 1468 createItemInfo = new PendingAddShortcutInfo(info.activityInfo); 1469 createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 1470 createItemInfo.componentName = new ComponentName(info.activityInfo.packageName, 1471 info.activityInfo.name); 1472 widget.applyFromResolveInfo(mPackageManager, info); 1473 widget.setTag(createItemInfo); 1474 } 1475 widget.setOnClickListener(this); 1476 widget.setOnLongClickListener(this); 1477 widget.setOnTouchListener(this); 1478 widget.setOnKeyListener(this); 1479 1480 // Layout each widget 1481 int ix = i % mWidgetCountX; 1482 int iy = i / mWidgetCountX; 1483 GridLayout.LayoutParams lp = new GridLayout.LayoutParams( 1484 GridLayout.spec(iy, GridLayout.LEFT), 1485 GridLayout.spec(ix, GridLayout.TOP)); 1486 lp.width = cellWidth; 1487 lp.height = cellHeight; 1488 lp.setGravity(Gravity.TOP | Gravity.LEFT); 1489 if (ix > 0) lp.leftMargin = mWidgetWidthGap; 1490 if (iy > 0) lp.topMargin = mWidgetHeightGap; 1491 layout.addView(widget, lp); 1492 } 1493 1494 // wait until a call on onLayout to start loading, because 1495 // PagedViewWidget.getPreviewSize() will return 0 if it hasn't been laid out 1496 // TODO: can we do a measure/layout immediately? 1497 layout.setOnLayoutListener(new Runnable() { 1498 public void run() { 1499 // Load the widget previews 1500 int maxPreviewWidth = cellWidth; 1501 int maxPreviewHeight = cellHeight; 1502 if (layout.getChildCount() > 0) { 1503 PagedViewWidget w = (PagedViewWidget) layout.getChildAt(0); 1504 int[] maxSize = w.getPreviewSize(); 1505 maxPreviewWidth = maxSize[0]; 1506 maxPreviewHeight = maxSize[1]; 1507 } 1508 if (immediate) { 1509 AsyncTaskPageData data = new AsyncTaskPageData(page, items, 1510 maxPreviewWidth, maxPreviewHeight, null, null); 1511 loadWidgetPreviewsInBackground(null, data); 1512 onSyncWidgetPageItems(data); 1513 } else { 1514 prepareLoadWidgetPreviewsTask(page, items, 1515 maxPreviewWidth, maxPreviewHeight, mWidgetCountX); 1516 } 1517 } 1518 }); 1519 } 1520 private void loadWidgetPreviewsInBackground(AppsCustomizeAsyncTask task, 1521 AsyncTaskPageData data) { 1522 // loadWidgetPreviewsInBackground can be called without a task to load a set of widget 1523 // previews synchronously 1524 if (task != null) { 1525 // Ensure that this task starts running at the correct priority 1526 task.syncThreadPriority(); 1527 } 1528 1529 // Load each of the widget/shortcut previews 1530 ArrayList<Object> items = data.items; 1531 ArrayList<Bitmap> images = data.generatedImages; 1532 int count = items.size(); 1533 for (int i = 0; i < count; ++i) { 1534 if (task != null) { 1535 // Ensure we haven't been cancelled yet 1536 if (task.isCancelled()) break; 1537 // Before work on each item, ensure that this task is running at the correct 1538 // priority 1539 task.syncThreadPriority(); 1540 } 1541 1542 Object rawInfo = items.get(i); 1543 if (rawInfo instanceof AppWidgetProviderInfo) { 1544 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1545 int[] cellSpans = Launcher.getSpanForWidget(mLauncher, info); 1546 1547 int maxWidth = Math.min(data.maxImageWidth, 1548 mWidgetSpacingLayout.estimateCellWidth(cellSpans[0])); 1549 int maxHeight = Math.min(data.maxImageHeight, 1550 mWidgetSpacingLayout.estimateCellHeight(cellSpans[1])); 1551 Bitmap b = getWidgetPreview(info.provider, info.previewImage, info.icon, 1552 cellSpans[0], cellSpans[1], maxWidth, maxHeight); 1553 images.add(b); 1554 } else if (rawInfo instanceof ResolveInfo) { 1555 // Fill in the shortcuts information 1556 ResolveInfo info = (ResolveInfo) rawInfo; 1557 images.add(getShortcutPreview(info, data.maxImageWidth, data.maxImageHeight)); 1558 } 1559 } 1560 } 1561 1562 private void onSyncWidgetPageItems(AsyncTaskPageData data) { 1563 if (mInTransition) { 1564 mDeferredSyncWidgetPageItems.add(data); 1565 return; 1566 } 1567 try { 1568 int page = data.page; 1569 PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); 1570 1571 ArrayList<Object> items = data.items; 1572 int count = items.size(); 1573 for (int i = 0; i < count; ++i) { 1574 PagedViewWidget widget = (PagedViewWidget) layout.getChildAt(i); 1575 if (widget != null) { 1576 Bitmap preview = data.generatedImages.get(i); 1577 widget.applyPreview(new FastBitmapDrawable(preview), i); 1578 } 1579 } 1580 1581 layout.createHardwareLayer(); 1582 invalidate(); 1583 1584 // Update all thread priorities 1585 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1586 while (iter.hasNext()) { 1587 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1588 int pageIndex = task.page; 1589 task.setThreadPriority(getThreadPriorityForPage(pageIndex)); 1590 } 1591 } finally { 1592 data.cleanup(false); 1593 } 1594 } 1595 1596 @Override 1597 public void syncPages() { 1598 removeAllViews(); 1599 cancelAllTasks(); 1600 1601 Context context = getContext(); 1602 for (int j = 0; j < mNumWidgetPages; ++j) { 1603 PagedViewGridLayout layout = new PagedViewGridLayout(context, mWidgetCountX, 1604 mWidgetCountY); 1605 setupPage(layout); 1606 addView(layout, new PagedView.LayoutParams(LayoutParams.MATCH_PARENT, 1607 LayoutParams.MATCH_PARENT)); 1608 } 1609 1610 for (int i = 0; i < mNumAppsPages; ++i) { 1611 PagedViewCellLayout layout = new PagedViewCellLayout(context); 1612 setupPage(layout); 1613 addView(layout); 1614 } 1615 1616 Log.d(TAG, "6549598 syncPages mNumAppsPages: " + mNumAppsPages + " mNumWidgetPages: " + mNumWidgetPages); 1617 } 1618 1619 @Override 1620 public void syncPageItems(int page, boolean immediate) { 1621 Log.d(TAG, "6549598 syncPageItems page: " + page + " immediate: " + immediate); 1622 if (page < mNumAppsPages) { 1623 syncAppsPageItems(page, immediate); 1624 } else { 1625 syncWidgetPageItems(page, immediate); 1626 } 1627 } 1628 1629 // We want our pages to be z-ordered such that the further a page is to the left, the higher 1630 // it is in the z-order. This is important to insure touch events are handled correctly. 1631 View getPageAt(int index) { 1632 return getChildAt(indexToPage(index)); 1633 } 1634 1635 @Override 1636 protected int indexToPage(int index) { 1637 return getChildCount() - index - 1; 1638 } 1639 1640 // In apps customize, we have a scrolling effect which emulates pulling cards off of a stack. 1641 @Override 1642 protected void screenScrolled(int screenCenter) { 1643 super.screenScrolled(screenCenter); 1644 1645 for (int i = 0; i < getChildCount(); i++) { 1646 View v = getPageAt(i); 1647 if (v != null) { 1648 float scrollProgress = getScrollProgress(screenCenter, v, i); 1649 1650 float interpolatedProgress = 1651 mZInterpolator.getInterpolation(Math.abs(Math.min(scrollProgress, 0))); 1652 float scale = (1 - interpolatedProgress) + 1653 interpolatedProgress * TRANSITION_SCALE_FACTOR; 1654 float translationX = Math.min(0, scrollProgress) * v.getMeasuredWidth(); 1655 1656 float alpha; 1657 1658 if (scrollProgress < 0) { 1659 alpha = scrollProgress < 0 ? mAlphaInterpolator.getInterpolation( 1660 1 - Math.abs(scrollProgress)) : 1.0f; 1661 } else { 1662 // On large screens we need to fade the page as it nears its leftmost position 1663 alpha = mLeftScreenAlphaInterpolator.getInterpolation(1 - scrollProgress); 1664 } 1665 1666 v.setCameraDistance(mDensity * CAMERA_DISTANCE); 1667 int pageWidth = v.getMeasuredWidth(); 1668 int pageHeight = v.getMeasuredHeight(); 1669 1670 if (PERFORM_OVERSCROLL_ROTATION) { 1671 if (i == 0 && scrollProgress < 0) { 1672 // Overscroll to the left 1673 v.setPivotX(TRANSITION_PIVOT * pageWidth); 1674 v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress); 1675 scale = 1.0f; 1676 alpha = 1.0f; 1677 // On the first page, we don't want the page to have any lateral motion 1678 translationX = 0; 1679 } else if (i == getChildCount() - 1 && scrollProgress > 0) { 1680 // Overscroll to the right 1681 v.setPivotX((1 - TRANSITION_PIVOT) * pageWidth); 1682 v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress); 1683 scale = 1.0f; 1684 alpha = 1.0f; 1685 // On the last page, we don't want the page to have any lateral motion. 1686 translationX = 0; 1687 } else { 1688 v.setPivotY(pageHeight / 2.0f); 1689 v.setPivotX(pageWidth / 2.0f); 1690 v.setRotationY(0f); 1691 } 1692 } 1693 1694 v.setTranslationX(translationX); 1695 v.setScaleX(scale); 1696 v.setScaleY(scale); 1697 v.setAlpha(alpha); 1698 1699 // If the view has 0 alpha, we set it to be invisible so as to prevent 1700 // it from accepting touches 1701 if (alpha == 0) { 1702 v.setVisibility(INVISIBLE); 1703 } else if (v.getVisibility() != VISIBLE) { 1704 v.setVisibility(VISIBLE); 1705 } 1706 } 1707 } 1708 } 1709 1710 protected void overScroll(float amount) { 1711 acceleratedOverScroll(amount); 1712 } 1713 1714 /** 1715 * Used by the parent to get the content width to set the tab bar to 1716 * @return 1717 */ 1718 public int getPageContentWidth() { 1719 return mContentWidth; 1720 } 1721 1722 @Override 1723 protected void onPageEndMoving() { 1724 super.onPageEndMoving(); 1725 mForceDrawAllChildrenNextFrame = true; 1726 // We reset the save index when we change pages so that it will be recalculated on next 1727 // rotation 1728 mSaveInstanceStateItemIndex = -1; 1729 } 1730 1731 /* 1732 * AllAppsView implementation 1733 */ 1734 @Override 1735 public void setup(Launcher launcher, DragController dragController) { 1736 mLauncher = launcher; 1737 mDragController = dragController; 1738 } 1739 @Override 1740 public void zoom(float zoom, boolean animate) { 1741 // TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed() 1742 } 1743 @Override 1744 public boolean isVisible() { 1745 return (getVisibility() == VISIBLE); 1746 } 1747 @Override 1748 public boolean isAnimating() { 1749 return false; 1750 } 1751 @Override 1752 public void setApps(ArrayList<ApplicationInfo> list) { 1753 mApps = list; 1754 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); 1755 Log.d(TAG, "6549598 setApps mApps.size(): " + mApps.size()); 1756 updatePageCounts(); 1757 1758 // The next layout pass will trigger data-ready if both widgets and apps are set, so 1759 // request a layout to do this test and invalidate the page data when ready. 1760 if (testDataReady()) requestLayout(); 1761 } 1762 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1763 // We add it in place, in alphabetical order 1764 int count = list.size(); 1765 for (int i = 0; i < count; ++i) { 1766 ApplicationInfo info = list.get(i); 1767 int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); 1768 if (index < 0) { 1769 mApps.add(-(index + 1), info); 1770 } 1771 } 1772 } 1773 @Override 1774 public void addApps(ArrayList<ApplicationInfo> list) { 1775 addAppsWithoutInvalidate(list); 1776 Log.d(TAG, "6549598 addApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1777 updatePageCounts(); 1778 invalidatePageData(); 1779 Log.d(TAG, "6549598 addApps mNumAppsPages: " + mNumAppsPages); 1780 } 1781 private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { 1782 ComponentName removeComponent = item.intent.getComponent(); 1783 int length = list.size(); 1784 for (int i = 0; i < length; ++i) { 1785 ApplicationInfo info = list.get(i); 1786 if (info.intent.getComponent().equals(removeComponent)) { 1787 return i; 1788 } 1789 } 1790 return -1; 1791 } 1792 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1793 // loop through all the apps and remove apps that have the same component 1794 int length = list.size(); 1795 for (int i = 0; i < length; ++i) { 1796 ApplicationInfo info = list.get(i); 1797 int removeIndex = findAppByComponent(mApps, info); 1798 if (removeIndex > -1) { 1799 mApps.remove(removeIndex); 1800 } 1801 } 1802 } 1803 @Override 1804 public void removeApps(ArrayList<ApplicationInfo> list) { 1805 removeAppsWithoutInvalidate(list); 1806 Log.d(TAG, "6549598 removeApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1807 updatePageCounts(); 1808 invalidatePageData(); 1809 Log.d(TAG, "6549598 removeApps mNumAppsPages: " + mNumAppsPages); 1810 } 1811 @Override 1812 public void updateApps(ArrayList<ApplicationInfo> list) { 1813 // We remove and re-add the updated applications list because it's properties may have 1814 // changed (ie. the title), and this will ensure that the items will be in their proper 1815 // place in the list. 1816 removeAppsWithoutInvalidate(list); 1817 addAppsWithoutInvalidate(list); 1818 Log.d(TAG, "6549598 updateApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1819 updatePageCounts(); 1820 invalidatePageData(); 1821 Log.d(TAG, "6549598 updateApps mNumAppsPages: " + mNumAppsPages); 1822 } 1823 1824 @Override 1825 public void reset() { 1826 Log.d(TAG, "6549598 reset"); 1827 // If we have reset, then we should not continue to restore the previous state 1828 mSaveInstanceStateItemIndex = -1; 1829 1830 AppsCustomizeTabHost tabHost = getTabHost(); 1831 String tag = tabHost.getCurrentTabTag(); 1832 if (tag != null) { 1833 if (!tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) { 1834 tabHost.setCurrentTabFromContent(ContentType.Applications); 1835 } 1836 } 1837 1838 if (mCurrentPage != 0) { 1839 invalidatePageData(0); 1840 } 1841 } 1842 1843 private AppsCustomizeTabHost getTabHost() { 1844 return (AppsCustomizeTabHost) mLauncher.findViewById(R.id.apps_customize_pane); 1845 } 1846 1847 @Override 1848 public void dumpState() { 1849 // TODO: Dump information related to current list of Applications, Widgets, etc. 1850 ApplicationInfo.dumpApplicationInfoList(TAG, "mApps", mApps); 1851 dumpAppWidgetProviderInfoList(TAG, "mWidgets", mWidgets); 1852 } 1853 1854 private void dumpAppWidgetProviderInfoList(String tag, String label, 1855 ArrayList<Object> list) { 1856 Log.d(tag, label + " size=" + list.size()); 1857 for (Object i: list) { 1858 if (i instanceof AppWidgetProviderInfo) { 1859 AppWidgetProviderInfo info = (AppWidgetProviderInfo) i; 1860 Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage 1861 + " resizeMode=" + info.resizeMode + " configure=" + info.configure 1862 + " initialLayout=" + info.initialLayout 1863 + " minWidth=" + info.minWidth + " minHeight=" + info.minHeight); 1864 } else if (i instanceof ResolveInfo) { 1865 ResolveInfo info = (ResolveInfo) i; 1866 Log.d(tag, " label=\"" + info.loadLabel(mPackageManager) + "\" icon=" 1867 + info.icon); 1868 } 1869 } 1870 } 1871 1872 @Override 1873 public void surrender() { 1874 // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we 1875 // should stop this now. 1876 1877 // Stop all background tasks 1878 cancelAllTasks(); 1879 } 1880 1881 @Override 1882 public void iconPressed(PagedViewIcon icon) { 1883 // Reset the previously pressed icon and store a reference to the pressed icon so that 1884 // we can reset it on return to Launcher (in Launcher.onResume()) 1885 if (mPressedIcon != null) { 1886 mPressedIcon.resetDrawableState(); 1887 } 1888 mPressedIcon = icon; 1889 } 1890 1891 public void resetDrawableState() { 1892 if (mPressedIcon != null) { 1893 mPressedIcon.resetDrawableState(); 1894 mPressedIcon = null; 1895 } 1896 } 1897 1898 /* 1899 * We load an extra page on each side to prevent flashes from scrolling and loading of the 1900 * widget previews in the background with the AsyncTasks. 1901 */ 1902 final static int sLookBehindPageCount = 2; 1903 final static int sLookAheadPageCount = 2; 1904 protected int getAssociatedLowerPageBound(int page) { 1905 final int count = getChildCount(); 1906 int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); 1907 int windowMinIndex = Math.max(Math.min(page - sLookBehindPageCount, count - windowSize), 0); 1908 return windowMinIndex; 1909 } 1910 protected int getAssociatedUpperPageBound(int page) { 1911 final int count = getChildCount(); 1912 int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); 1913 int windowMaxIndex = Math.min(Math.max(page + sLookAheadPageCount, windowSize - 1), 1914 count - 1); 1915 return windowMaxIndex; 1916 } 1917 1918 @Override 1919 protected String getCurrentPageDescription() { 1920 int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage; 1921 int stringId = R.string.default_scroll_format; 1922 int count = 0; 1923 1924 if (page < mNumAppsPages) { 1925 stringId = R.string.apps_customize_apps_scroll_format; 1926 count = mNumAppsPages; 1927 } else { 1928 page -= mNumAppsPages; 1929 stringId = R.string.apps_customize_widgets_scroll_format; 1930 count = mNumWidgetPages; 1931 } 1932 1933 return String.format(getContext().getString(stringId), page + 1, count); 1934 } 1935} 1936