AppsCustomizePagedView.java revision fd39d8ee9512d873aaaa205839ca233c2be4d9d3
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. This is a 551 // workaround until we add a callback from AppWidgetService to AppWidgetHost when widget 552 // packages are added, updated or removed. 553 postDelayed(new Runnable() { 554 public void run() { 555 updatePackages(); 556 } 557 }, 1500); 558 } 559 560 public void updatePackages() { 561 // Get the list of widgets and shortcuts 562 boolean wasEmpty = mWidgets.isEmpty(); 563 mWidgets.clear(); 564 List<AppWidgetProviderInfo> widgets = 565 AppWidgetManager.getInstance(mLauncher).getInstalledProviders(); 566 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 567 List<ResolveInfo> shortcuts = mPackageManager.queryIntentActivities(shortcutsIntent, 0); 568 for (AppWidgetProviderInfo widget : widgets) { 569 if (widget.minWidth > 0 && widget.minHeight > 0) { 570 // Ensure that all widgets we show can be added on a workspace of this size 571 int[] spanXY = Launcher.getSpanForWidget(mLauncher, widget); 572 int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, widget); 573 int minSpanX = Math.min(spanXY[0], minSpanXY[0]); 574 int minSpanY = Math.min(spanXY[1], minSpanXY[1]); 575 if (minSpanX <= LauncherModel.getCellCountX() && 576 minSpanY <= LauncherModel.getCellCountY()) { 577 mWidgets.add(widget); 578 } else { 579 Log.e(TAG, "Widget " + widget.provider + " can not fit on this device (" + 580 widget.minWidth + ", " + widget.minHeight + ")"); 581 } 582 } else { 583 Log.e(TAG, "Widget " + widget.provider + " has invalid dimensions (" + 584 widget.minWidth + ", " + widget.minHeight + ")"); 585 } 586 } 587 mWidgets.addAll(shortcuts); 588 Collections.sort(mWidgets, 589 new LauncherModel.WidgetAndShortcutNameComparator(mPackageManager)); 590 Log.d(TAG, "6549598 updatePackages mWidgets.size(): " + mWidgets.size() + " wasEmpty: " + wasEmpty); 591 updatePageCounts(); 592 593 if (wasEmpty) { 594 // The next layout pass will trigger data-ready if both widgets and apps are set, so request 595 // a layout to do this test and invalidate the page data when ready. 596 if (testDataReady()) requestLayout(); 597 } else { 598 cancelAllTasks(); 599 invalidatePageData(); 600 } 601 } 602 603 @Override 604 public void onClick(View v) { 605 // When we have exited all apps or are in transition, disregard clicks 606 if (!mLauncher.isAllAppsCustomizeOpen() || 607 mLauncher.getWorkspace().isSwitchingState()) return; 608 609 if (v instanceof PagedViewIcon) { 610 // Animate some feedback to the click 611 final ApplicationInfo appInfo = (ApplicationInfo) v.getTag(); 612 613 // Lock the drawable state to pressed until we return to Launcher 614 if (mPressedIcon != null) { 615 mPressedIcon.lockDrawableState(); 616 } 617 618 // NOTE: We want all transitions from launcher to act as if the wallpaper were enabled 619 // to be consistent. So re-enable the flag here, and we will re-disable it as necessary 620 // when Launcher resumes and we are still in AllApps. 621 mLauncher.updateWallpaperVisibility(true); 622 mLauncher.startActivitySafely(v, appInfo.intent, appInfo); 623 624 } else if (v instanceof PagedViewWidget) { 625 // Let the user know that they have to long press to add a widget 626 Toast.makeText(getContext(), R.string.long_press_widget_to_add, 627 Toast.LENGTH_SHORT).show(); 628 629 // Create a little animation to show that the widget can move 630 float offsetY = getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY); 631 final ImageView p = (ImageView) v.findViewById(R.id.widget_preview); 632 AnimatorSet bounce = new AnimatorSet(); 633 ValueAnimator tyuAnim = ObjectAnimator.ofFloat(p, "translationY", offsetY); 634 tyuAnim.setDuration(125); 635 ValueAnimator tydAnim = ObjectAnimator.ofFloat(p, "translationY", 0f); 636 tydAnim.setDuration(100); 637 bounce.play(tyuAnim).before(tydAnim); 638 bounce.setInterpolator(new AccelerateInterpolator()); 639 bounce.start(); 640 } 641 } 642 643 public boolean onKey(View v, int keyCode, KeyEvent event) { 644 return FocusHelper.handleAppsCustomizeKeyEvent(v, keyCode, event); 645 } 646 647 /* 648 * PagedViewWithDraggableItems implementation 649 */ 650 @Override 651 protected void determineDraggingStart(android.view.MotionEvent ev) { 652 // Disable dragging by pulling an app down for now. 653 } 654 655 private void beginDraggingApplication(View v) { 656 mLauncher.getWorkspace().onDragStartedWithItem(v); 657 mLauncher.getWorkspace().beginDragShared(v, this); 658 } 659 660 private void preloadWidget(final PendingAddWidgetInfo info) { 661 Log.d(TAG, "6557954 Preload widget: " + info.info); 662 final AppWidgetProviderInfo pInfo = info.info; 663 if (pInfo.configure != null) { 664 return; 665 } 666 667 mWidgetCleanupState = WIDGET_PRELOAD_PENDING; 668 mBindWidgetRunnable = new Runnable() { 669 @Override 670 public void run() { 671 Log.d(TAG, " 6557954 Preload, bind widget: " + info.info); 672 mWidgetLoadingId = mLauncher.getAppWidgetHost().allocateAppWidgetId(); 673 if (AppWidgetManager.getInstance(mLauncher) 674 .bindAppWidgetIdIfAllowed(mWidgetLoadingId, info.componentName)) { 675 mWidgetCleanupState = WIDGET_BOUND; 676 } 677 } 678 }; 679 post(mBindWidgetRunnable); 680 681 mInflateWidgetRunnable = new Runnable() { 682 @Override 683 public void run() { 684 AppWidgetHostView hostView = mLauncher. 685 getAppWidgetHost().createView(getContext(), mWidgetLoadingId, pInfo); 686 info.boundWidget = hostView; 687 Log.d(TAG, " 6557954 Preload, inflate widget: " + info.info); 688 mWidgetCleanupState = WIDGET_INFLATED; 689 hostView.setVisibility(INVISIBLE); 690 int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(info.spanX, 691 info.spanY, info, false); 692 693 // We want the first widget layout to be the correct size. This will be important 694 // for width size reporting to the AppWidgetManager. 695 DragLayer.LayoutParams lp = new DragLayer.LayoutParams(unScaledSize[0], 696 unScaledSize[1]); 697 lp.x = lp.y = 0; 698 lp.customPosition = true; 699 hostView.setLayoutParams(lp); 700 mLauncher.getDragLayer().addView(hostView); 701 } 702 }; 703 post(mInflateWidgetRunnable); 704 } 705 706 @Override 707 public void onShortPress(View v) { 708 // We are anticipating a long press, and we use this time to load bind and instantiate 709 // the widget. This will need to be cleaned up if it turns out no long press occurs. 710 if (mCreateWidgetInfo != null) { 711 // Just in case the cleanup process wasn't properly executed. This shouldn't happen. 712 Log.d(TAG, "**** 6557954 Previous shortpress not cleaned up, cleaning up now: " + mCreateWidgetInfo.info); 713 cleanupWidgetPreloading(false); 714 } 715 mCreateWidgetInfo = new PendingAddWidgetInfo((PendingAddWidgetInfo) v.getTag()); 716 Log.d(TAG, "6557954 Short press triggered for view: " + v + ", widget info: " + mCreateWidgetInfo.info); 717 preloadWidget(mCreateWidgetInfo); 718 } 719 720 private void cleanupWidgetPreloading(boolean widgetWasAdded) { 721 Log.d(TAG, "6557954 Cleaning up widget, was added: " + widgetWasAdded); 722 if (mCreateWidgetInfo != null) { 723 Log.d(TAG, " 6557954 Cleaning up widget, widget info: " + mCreateWidgetInfo.info); 724 } 725 726 if (!widgetWasAdded) { 727 // If the widget was not added, we may need to do further cleanup. 728 PendingAddWidgetInfo info = mCreateWidgetInfo; 729 mCreateWidgetInfo = null; 730 731 if (mWidgetCleanupState == WIDGET_PRELOAD_PENDING) { 732 Log.d(TAG, " 6557954 Cleaning up widget, remove preload callbacks"); 733 // We never did any preloading, so just remove pending callbacks to do so 734 removeCallbacks(mBindWidgetRunnable); 735 removeCallbacks(mInflateWidgetRunnable); 736 } else if (mWidgetCleanupState == WIDGET_BOUND) { 737 // Delete the widget id which was allocated 738 if (mWidgetLoadingId != -1) { 739 Log.d(TAG, " 6557954 Cleaning up widget, delete widget id"); 740 mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); 741 } 742 743 // We never got around to inflating the widget, so remove the callback to do so. 744 Log.d(TAG, " 6557954 Cleaning up widget, remove callbacks"); 745 removeCallbacks(mInflateWidgetRunnable); 746 } else if (mWidgetCleanupState == WIDGET_INFLATED) { 747 // Delete the widget id which was allocated 748 if (mWidgetLoadingId != -1) { 749 Log.d(TAG, " 6557954 Cleaning up widget, delete widget id"); 750 mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); 751 } 752 753 // The widget was inflated and added to the DragLayer -- remove it. 754 Log.d(TAG, " 6557954 Cleaning up widget, remove inflated widget from draglayer"); 755 AppWidgetHostView widget = info.boundWidget; 756 mLauncher.getDragLayer().removeView(widget); 757 } 758 } 759 mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED; 760 mWidgetLoadingId = -1; 761 mCreateWidgetInfo = null; 762 PagedViewWidget.resetShortPressTarget(); 763 } 764 765 @Override 766 public void cleanUpShortPress(View v) { 767 Log.d(TAG, "6557954 Cleanup shortpress"); 768 if (!mDraggingWidget) { 769 Log.d(TAG, " 6557954 Cleanup shortpress, cleanup cleanup preloading"); 770 cleanupWidgetPreloading(false); 771 } 772 } 773 774 private boolean beginDraggingWidget(View v) { 775 mDraggingWidget = true; 776 // Get the widget preview as the drag representation 777 ImageView image = (ImageView) v.findViewById(R.id.widget_preview); 778 PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 779 780 if (createItemInfo instanceof PendingAddWidgetInfo) { 781 PendingAddWidgetInfo createWidgetInfo = mCreateWidgetInfo; 782 Log.d(TAG, "6557954 Begin dragging widget, view: " + v + ", widget info: " + createWidgetInfo.info); 783 } 784 785 // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and 786 // we abort the drag. 787 if (image.getDrawable() == null) { 788 Log.d(TAG, " 6557954 Begin dragging widget, abort, no drawable set"); 789 mDraggingWidget = false; 790 return false; 791 } 792 793 // Compose the drag image 794 Bitmap preview; 795 Bitmap outline; 796 float scale = 1f; 797 if (createItemInfo instanceof PendingAddWidgetInfo) { 798 // This can happen in some weird cases involving multi-touch. We can't start dragging 799 // the widget if this is null, so we break out. 800 if (mCreateWidgetInfo == null) { 801 return false; 802 } 803 804 PendingAddWidgetInfo createWidgetInfo = mCreateWidgetInfo; 805 createItemInfo = createWidgetInfo; 806 int spanX = createItemInfo.spanX; 807 int spanY = createItemInfo.spanY; 808 int[] size = mLauncher.getWorkspace().estimateItemSize(spanX, spanY, 809 createWidgetInfo, true); 810 811 FastBitmapDrawable previewDrawable = (FastBitmapDrawable) image.getDrawable(); 812 float minScale = 1.25f; 813 int maxWidth, maxHeight; 814 maxWidth = Math.min((int) (previewDrawable.getIntrinsicWidth() * minScale), size[0]); 815 maxHeight = Math.min((int) (previewDrawable.getIntrinsicHeight() * minScale), size[1]); 816 preview = getWidgetPreview(createWidgetInfo.componentName, createWidgetInfo.previewImage, 817 createWidgetInfo.icon, spanX, spanY, maxWidth, maxHeight); 818 819 // Determine the image view drawable scale relative to the preview 820 float[] mv = new float[9]; 821 Matrix m = new Matrix(); 822 m.setRectToRect( 823 new RectF(0f, 0f, (float) preview.getWidth(), (float) preview.getHeight()), 824 new RectF(0f, 0f, (float) previewDrawable.getIntrinsicWidth(), 825 (float) previewDrawable.getIntrinsicHeight()), 826 Matrix.ScaleToFit.START); 827 m.getValues(mv); 828 scale = (float) mv[0]; 829 } else { 830 PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag(); 831 Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.shortcutActivityInfo); 832 preview = Bitmap.createBitmap(icon.getIntrinsicWidth(), 833 icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); 834 835 mCanvas.setBitmap(preview); 836 mCanvas.save(); 837 renderDrawableToBitmap(icon, preview, 0, 0, 838 icon.getIntrinsicWidth(), icon.getIntrinsicHeight()); 839 mCanvas.restore(); 840 mCanvas.setBitmap(null); 841 createItemInfo.spanX = createItemInfo.spanY = 1; 842 } 843 844 // We use a custom alpha clip table for the default widget previews 845 Paint alphaClipPaint = null; 846 if (createItemInfo instanceof PendingAddWidgetInfo) { 847 if (((PendingAddWidgetInfo) createItemInfo).previewImage != 0) { 848 MaskFilter alphaClipTable = TableMaskFilter.CreateClipTable(0, 255); 849 alphaClipPaint = new Paint(); 850 alphaClipPaint.setMaskFilter(alphaClipTable); 851 } 852 } 853 854 // Save the preview for the outline generation, then dim the preview 855 outline = Bitmap.createScaledBitmap(preview, preview.getWidth(), preview.getHeight(), 856 false); 857 858 // Start the drag 859 alphaClipPaint = null; 860 mLauncher.lockScreenOrientation(); 861 mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, outline, alphaClipPaint); 862 mDragController.startDrag(image, preview, this, createItemInfo, 863 DragController.DRAG_ACTION_COPY, null, scale); 864 outline.recycle(); 865 preview.recycle(); 866 return true; 867 } 868 869 @Override 870 protected boolean beginDragging(final View v) { 871 if (!super.beginDragging(v)) return false; 872 873 if (v instanceof PagedViewIcon) { 874 beginDraggingApplication(v); 875 } else if (v instanceof PagedViewWidget) { 876 if (!beginDraggingWidget(v)) { 877 return false; 878 } 879 } 880 881 // We delay entering spring-loaded mode slightly to make sure the UI 882 // thready is free of any work. 883 postDelayed(new Runnable() { 884 @Override 885 public void run() { 886 // We don't enter spring-loaded mode if the drag has been cancelled 887 if (mLauncher.getDragController().isDragging()) { 888 // Dismiss the cling 889 mLauncher.dismissAllAppsCling(null); 890 891 // Reset the alpha on the dragged icon before we drag 892 resetDrawableState(); 893 894 // Go into spring loaded mode (must happen before we startDrag()) 895 mLauncher.enterSpringLoadedDragMode(); 896 } 897 } 898 }, 150); 899 900 return true; 901 } 902 903 /** 904 * Clean up after dragging. 905 * 906 * @param target where the item was dragged to (can be null if the item was flung) 907 */ 908 private void endDragging(View target, boolean isFlingToDelete, boolean success) { 909 if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && 910 !(target instanceof DeleteDropTarget))) { 911 // Exit spring loaded mode if we have not successfully dropped or have not handled the 912 // drop in Workspace 913 mLauncher.exitSpringLoadedDragMode(); 914 } 915 mLauncher.unlockScreenOrientation(false); 916 } 917 918 @Override 919 public View getContent() { 920 return null; 921 } 922 923 @Override 924 public void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace) { 925 mInTransition = true; 926 if (toWorkspace) { 927 cancelAllTasks(); 928 } 929 } 930 931 @Override 932 public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) { 933 } 934 935 @Override 936 public void onLauncherTransitionStep(Launcher l, float t) { 937 } 938 939 @Override 940 public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) { 941 Log.d(TAG, "6549598 onLauncherTransitionEnd"); 942 mInTransition = false; 943 for (AsyncTaskPageData d : mDeferredSyncWidgetPageItems) { 944 onSyncWidgetPageItems(d); 945 } 946 mDeferredSyncWidgetPageItems.clear(); 947 mForceDrawAllChildrenNextFrame = !toWorkspace; 948 } 949 950 @Override 951 public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, 952 boolean success) { 953 // Return early and wait for onFlingToDeleteCompleted if this was the result of a fling 954 if (isFlingToDelete) return; 955 956 endDragging(target, false, success); 957 958 // Display an error message if the drag failed due to there not being enough space on the 959 // target layout we were dropping on. 960 if (!success) { 961 boolean showOutOfSpaceMessage = false; 962 if (target instanceof Workspace) { 963 int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 964 Workspace workspace = (Workspace) target; 965 CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 966 ItemInfo itemInfo = (ItemInfo) d.dragInfo; 967 if (layout != null) { 968 layout.calculateSpans(itemInfo); 969 showOutOfSpaceMessage = 970 !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 971 } 972 } 973 if (showOutOfSpaceMessage) { 974 mLauncher.showOutOfSpaceMessage(false); 975 } 976 977 d.deferDragViewCleanupPostAnimation = false; 978 } 979 cleanupWidgetPreloading(success); 980 mDraggingWidget = false; 981 } 982 983 @Override 984 public void onFlingToDeleteCompleted() { 985 // We just dismiss the drag when we fling, so cleanup here 986 endDragging(null, true, true); 987 cleanupWidgetPreloading(false); 988 mDraggingWidget = false; 989 } 990 991 @Override 992 public boolean supportsFlingToDelete() { 993 return true; 994 } 995 996 @Override 997 protected void onDetachedFromWindow() { 998 super.onDetachedFromWindow(); 999 cancelAllTasks(); 1000 } 1001 1002 public void clearAllWidgetPages() { 1003 cancelAllTasks(); 1004 int count = getChildCount(); 1005 for (int i = 0; i < count; i++) { 1006 View v = getPageAt(i); 1007 if (v instanceof PagedViewGridLayout) { 1008 ((PagedViewGridLayout) v).removeAllViewsOnPage(); 1009 mDirtyPageContent.set(i, true); 1010 } 1011 } 1012 } 1013 1014 private void cancelAllTasks() { 1015 // Clean up all the async tasks 1016 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1017 while (iter.hasNext()) { 1018 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1019 task.cancel(false); 1020 iter.remove(); 1021 mDirtyPageContent.set(task.page, true); 1022 1023 // We've already preallocated the views for the data to load into, so clear them as well 1024 View v = getPageAt(task.page); 1025 if (v instanceof PagedViewGridLayout) { 1026 ((PagedViewGridLayout) v).removeAllViewsOnPage(); 1027 } 1028 } 1029 mDeferredSyncWidgetPageItems.clear(); 1030 } 1031 1032 public void setContentType(ContentType type) { 1033 Log.d(TAG, "6549598 setContentType mNumAppsPages: " + mNumAppsPages); 1034 if (type == ContentType.Widgets) { 1035 invalidatePageData(mNumAppsPages, true); 1036 } else if (type == ContentType.Applications) { 1037 invalidatePageData(0, true); 1038 } 1039 } 1040 1041 protected void snapToPage(int whichPage, int delta, int duration) { 1042 super.snapToPage(whichPage, delta, duration); 1043 updateCurrentTab(whichPage); 1044 1045 // Update the thread priorities given the direction lookahead 1046 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1047 while (iter.hasNext()) { 1048 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1049 int pageIndex = task.page; 1050 if ((mNextPage > mCurrentPage && pageIndex >= mCurrentPage) || 1051 (mNextPage < mCurrentPage && pageIndex <= mCurrentPage)) { 1052 task.setThreadPriority(getThreadPriorityForPage(pageIndex)); 1053 } else { 1054 task.setThreadPriority(Process.THREAD_PRIORITY_LOWEST); 1055 } 1056 } 1057 } 1058 1059 private void updateCurrentTab(int currentPage) { 1060 Log.d(TAG, "6549598 updateCurrentTab mNumAppsPages: " + mNumAppsPages); 1061 AppsCustomizeTabHost tabHost = getTabHost(); 1062 if (tabHost != null) { 1063 String tag = tabHost.getCurrentTabTag(); 1064 if (tag != null) { 1065 if (currentPage >= mNumAppsPages && 1066 !tag.equals(tabHost.getTabTagForContentType(ContentType.Widgets))) { 1067 tabHost.setCurrentTabFromContent(ContentType.Widgets); 1068 } else if (currentPage < mNumAppsPages && 1069 !tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) { 1070 tabHost.setCurrentTabFromContent(ContentType.Applications); 1071 } 1072 } 1073 } 1074 } 1075 1076 /* 1077 * Apps PagedView implementation 1078 */ 1079 private void setVisibilityOnChildren(ViewGroup layout, int visibility) { 1080 int childCount = layout.getChildCount(); 1081 for (int i = 0; i < childCount; ++i) { 1082 layout.getChildAt(i).setVisibility(visibility); 1083 } 1084 } 1085 private void setupPage(PagedViewCellLayout layout) { 1086 layout.setCellCount(mCellCountX, mCellCountY); 1087 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 1088 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 1089 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 1090 1091 // Note: We force a measure here to get around the fact that when we do layout calculations 1092 // immediately after syncing, we don't have a proper width. That said, we already know the 1093 // expected page width, so we can actually optimize by hiding all the TextView-based 1094 // children that are expensive to measure, and let that happen naturally later. 1095 setVisibilityOnChildren(layout, View.GONE); 1096 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 1097 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 1098 layout.setMinimumWidth(getPageContentWidth()); 1099 layout.measure(widthSpec, heightSpec); 1100 setVisibilityOnChildren(layout, View.VISIBLE); 1101 } 1102 1103 public void syncAppsPageItems(int page, boolean immediate) { 1104 Log.d(TAG, "6549598 syncAppsPageItems page: " + page); 1105 // ensure that we have the right number of items on the pages 1106 int numCells = mCellCountX * mCellCountY; 1107 int startIndex = page * numCells; 1108 int endIndex = Math.min(startIndex + numCells, mApps.size()); 1109 PagedViewCellLayout layout = (PagedViewCellLayout) getPageAt(page); 1110 1111 layout.removeAllViewsOnPage(); 1112 ArrayList<Object> items = new ArrayList<Object>(); 1113 ArrayList<Bitmap> images = new ArrayList<Bitmap>(); 1114 for (int i = startIndex; i < endIndex; ++i) { 1115 ApplicationInfo info = mApps.get(i); 1116 PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate( 1117 R.layout.apps_customize_application, layout, false); 1118 icon.applyFromApplicationInfo(info, true, this); 1119 icon.setOnClickListener(this); 1120 icon.setOnLongClickListener(this); 1121 icon.setOnTouchListener(this); 1122 icon.setOnKeyListener(this); 1123 1124 int index = i - startIndex; 1125 int x = index % mCellCountX; 1126 int y = index / mCellCountX; 1127 layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); 1128 1129 items.add(info); 1130 images.add(info.iconBitmap); 1131 } 1132 1133 layout.createHardwareLayers(); 1134 } 1135 1136 /** 1137 * A helper to return the priority for loading of the specified widget page. 1138 */ 1139 private int getWidgetPageLoadPriority(int page) { 1140 // If we are snapping to another page, use that index as the target page index 1141 int toPage = mCurrentPage; 1142 if (mNextPage > -1) { 1143 toPage = mNextPage; 1144 } 1145 1146 // We use the distance from the target page as an initial guess of priority, but if there 1147 // are no pages of higher priority than the page specified, then bump up the priority of 1148 // the specified page. 1149 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1150 int minPageDiff = Integer.MAX_VALUE; 1151 while (iter.hasNext()) { 1152 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1153 minPageDiff = Math.abs(task.page - toPage); 1154 } 1155 1156 int rawPageDiff = Math.abs(page - toPage); 1157 return rawPageDiff - Math.min(rawPageDiff, minPageDiff); 1158 } 1159 /** 1160 * Return the appropriate thread priority for loading for a given page (we give the current 1161 * page much higher priority) 1162 */ 1163 private int getThreadPriorityForPage(int page) { 1164 // TODO-APPS_CUSTOMIZE: detect number of cores and set thread priorities accordingly below 1165 int pageDiff = getWidgetPageLoadPriority(page); 1166 if (pageDiff <= 0) { 1167 return Process.THREAD_PRIORITY_LESS_FAVORABLE; 1168 } else if (pageDiff <= 1) { 1169 return Process.THREAD_PRIORITY_LOWEST; 1170 } else { 1171 return Process.THREAD_PRIORITY_LOWEST; 1172 } 1173 } 1174 private int getSleepForPage(int page) { 1175 int pageDiff = getWidgetPageLoadPriority(page); 1176 return Math.max(0, pageDiff * sPageSleepDelay); 1177 } 1178 /** 1179 * Creates and executes a new AsyncTask to load a page of widget previews. 1180 */ 1181 private void prepareLoadWidgetPreviewsTask(int page, ArrayList<Object> widgets, 1182 int cellWidth, int cellHeight, int cellCountX) { 1183 1184 // Prune all tasks that are no longer needed 1185 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1186 while (iter.hasNext()) { 1187 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1188 int taskPage = task.page; 1189 if (taskPage < getAssociatedLowerPageBound(mCurrentPage) || 1190 taskPage > getAssociatedUpperPageBound(mCurrentPage)) { 1191 task.cancel(false); 1192 iter.remove(); 1193 } else { 1194 task.setThreadPriority(getThreadPriorityForPage(taskPage)); 1195 } 1196 } 1197 1198 // We introduce a slight delay to order the loading of side pages so that we don't thrash 1199 final int sleepMs = getSleepForPage(page); 1200 AsyncTaskPageData pageData = new AsyncTaskPageData(page, widgets, cellWidth, cellHeight, 1201 new AsyncTaskCallback() { 1202 @Override 1203 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 1204 try { 1205 try { 1206 Thread.sleep(sleepMs); 1207 } catch (Exception e) {} 1208 loadWidgetPreviewsInBackground(task, data); 1209 } finally { 1210 if (task.isCancelled()) { 1211 data.cleanup(true); 1212 } 1213 } 1214 } 1215 }, 1216 new AsyncTaskCallback() { 1217 @Override 1218 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 1219 mRunningTasks.remove(task); 1220 if (task.isCancelled()) return; 1221 // do cleanup inside onSyncWidgetPageItems 1222 onSyncWidgetPageItems(data); 1223 } 1224 }); 1225 1226 // Ensure that the task is appropriately prioritized and runs in parallel 1227 AppsCustomizeAsyncTask t = new AppsCustomizeAsyncTask(page, 1228 AsyncTaskPageData.Type.LoadWidgetPreviewData); 1229 t.setThreadPriority(getThreadPriorityForPage(page)); 1230 t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pageData); 1231 mRunningTasks.add(t); 1232 } 1233 1234 /* 1235 * Widgets PagedView implementation 1236 */ 1237 private void setupPage(PagedViewGridLayout layout) { 1238 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 1239 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 1240 1241 // Note: We force a measure here to get around the fact that when we do layout calculations 1242 // immediately after syncing, we don't have a proper width. 1243 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 1244 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 1245 layout.setMinimumWidth(getPageContentWidth()); 1246 layout.measure(widthSpec, heightSpec); 1247 } 1248 1249 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h) { 1250 renderDrawableToBitmap(d, bitmap, x, y, w, h, 1f); 1251 } 1252 1253 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 1254 float scale) { 1255 if (bitmap != null) { 1256 Canvas c = new Canvas(bitmap); 1257 c.scale(scale, scale); 1258 Rect oldBounds = d.copyBounds(); 1259 d.setBounds(x, y, x + w, y + h); 1260 d.draw(c); 1261 d.setBounds(oldBounds); // Restore the bounds 1262 c.setBitmap(null); 1263 } 1264 } 1265 1266 private Bitmap getShortcutPreview(ResolveInfo info, int maxWidth, int maxHeight) { 1267 Bitmap tempBitmap = mCachedShortcutPreviewBitmap.get(); 1268 final Canvas c = mCachedShortcutPreviewCanvas.get(); 1269 if (tempBitmap == null || 1270 tempBitmap.getWidth() != maxWidth || 1271 tempBitmap.getHeight() != maxHeight) { 1272 tempBitmap = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 1273 mCachedShortcutPreviewBitmap.set(tempBitmap); 1274 } else { 1275 c.setBitmap(tempBitmap); 1276 c.drawColor(0, PorterDuff.Mode.CLEAR); 1277 c.setBitmap(null); 1278 } 1279 // Render the icon 1280 Drawable icon = mIconCache.getFullResIcon(info); 1281 1282 int paddingTop = 1283 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_top); 1284 int paddingLeft = 1285 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_left); 1286 int paddingRight = 1287 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_right); 1288 1289 int scaledIconWidth = (maxWidth - paddingLeft - paddingRight); 1290 float scaleSize = scaledIconWidth / (float) mAppIconSize; 1291 1292 renderDrawableToBitmap( 1293 icon, tempBitmap, paddingLeft, paddingTop, scaledIconWidth, scaledIconWidth); 1294 1295 Bitmap preview = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 1296 c.setBitmap(preview); 1297 Paint p = mCachedShortcutPreviewPaint.get(); 1298 if (p == null) { 1299 p = new Paint(); 1300 ColorMatrix colorMatrix = new ColorMatrix(); 1301 colorMatrix.setSaturation(0); 1302 p.setColorFilter(new ColorMatrixColorFilter(colorMatrix)); 1303 p.setAlpha((int) (255 * 0.06f)); 1304 //float density = 1f; 1305 //p.setMaskFilter(new BlurMaskFilter(15*density, BlurMaskFilter.Blur.NORMAL)); 1306 mCachedShortcutPreviewPaint.set(p); 1307 } 1308 c.drawBitmap(tempBitmap, 0, 0, p); 1309 c.setBitmap(null); 1310 1311 renderDrawableToBitmap(icon, preview, 0, 0, mAppIconSize, mAppIconSize); 1312 1313 return preview; 1314 } 1315 1316 private Bitmap getWidgetPreview(ComponentName provider, int previewImage, 1317 int iconId, int cellHSpan, int cellVSpan, int maxWidth, 1318 int maxHeight) { 1319 // Load the preview image if possible 1320 String packageName = provider.getPackageName(); 1321 if (maxWidth < 0) maxWidth = Integer.MAX_VALUE; 1322 if (maxHeight < 0) maxHeight = Integer.MAX_VALUE; 1323 1324 Drawable drawable = null; 1325 if (previewImage != 0) { 1326 drawable = mPackageManager.getDrawable(packageName, previewImage, null); 1327 if (drawable == null) { 1328 Log.w(TAG, "Can't load widget preview drawable 0x" + 1329 Integer.toHexString(previewImage) + " for provider: " + provider); 1330 } 1331 } 1332 1333 int bitmapWidth; 1334 int bitmapHeight; 1335 Bitmap defaultPreview = null; 1336 boolean widgetPreviewExists = (drawable != null); 1337 if (widgetPreviewExists) { 1338 bitmapWidth = drawable.getIntrinsicWidth(); 1339 bitmapHeight = drawable.getIntrinsicHeight(); 1340 } else { 1341 // Generate a preview image if we couldn't load one 1342 if (cellHSpan < 1) cellHSpan = 1; 1343 if (cellVSpan < 1) cellVSpan = 1; 1344 1345 BitmapDrawable previewDrawable = (BitmapDrawable) getResources() 1346 .getDrawable(R.drawable.widget_preview_tile); 1347 final int previewDrawableWidth = previewDrawable 1348 .getIntrinsicWidth(); 1349 final int previewDrawableHeight = previewDrawable 1350 .getIntrinsicHeight(); 1351 bitmapWidth = previewDrawableWidth * cellHSpan; // subtract 2 dips 1352 bitmapHeight = previewDrawableHeight * cellVSpan; 1353 1354 defaultPreview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, 1355 Config.ARGB_8888); 1356 final Canvas c = mCachedAppWidgetPreviewCanvas.get(); 1357 c.setBitmap(defaultPreview); 1358 previewDrawable.setBounds(0, 0, bitmapWidth, bitmapHeight); 1359 previewDrawable.setTileModeXY(Shader.TileMode.REPEAT, 1360 Shader.TileMode.REPEAT); 1361 previewDrawable.draw(c); 1362 c.setBitmap(null); 1363 1364 // Draw the icon in the top left corner 1365 int minOffset = (int) (mAppIconSize * sWidgetPreviewIconPaddingPercentage); 1366 int smallestSide = Math.min(bitmapWidth, bitmapHeight); 1367 float iconScale = Math.min((float) smallestSide 1368 / (mAppIconSize + 2 * minOffset), 1f); 1369 1370 try { 1371 Drawable icon = null; 1372 int hoffset = 1373 (int) ((previewDrawableWidth - mAppIconSize * iconScale) / 2); 1374 int yoffset = 1375 (int) ((previewDrawableHeight - mAppIconSize * iconScale) / 2); 1376 if (iconId > 0) 1377 icon = mIconCache.getFullResIcon(packageName, iconId); 1378 Resources resources = mLauncher.getResources(); 1379 if (icon != null) { 1380 renderDrawableToBitmap(icon, defaultPreview, hoffset, 1381 yoffset, (int) (mAppIconSize * iconScale), 1382 (int) (mAppIconSize * iconScale)); 1383 } 1384 } catch (Resources.NotFoundException e) { 1385 } 1386 } 1387 1388 // Scale to fit width only - let the widget preview be clipped in the 1389 // vertical dimension 1390 float scale = 1f; 1391 if (bitmapWidth > maxWidth) { 1392 scale = maxWidth / (float) bitmapWidth; 1393 } 1394 if (scale != 1f) { 1395 bitmapWidth = (int) (scale * bitmapWidth); 1396 bitmapHeight = (int) (scale * bitmapHeight); 1397 } 1398 1399 Bitmap preview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, 1400 Config.ARGB_8888); 1401 1402 // Draw the scaled preview into the final bitmap 1403 if (widgetPreviewExists) { 1404 renderDrawableToBitmap(drawable, preview, 0, 0, bitmapWidth, 1405 bitmapHeight); 1406 } else { 1407 final Canvas c = mCachedAppWidgetPreviewCanvas.get(); 1408 final Rect src = mCachedAppWidgetPreviewSrcRect.get(); 1409 final Rect dest = mCachedAppWidgetPreviewDestRect.get(); 1410 c.setBitmap(preview); 1411 src.set(0, 0, defaultPreview.getWidth(), defaultPreview.getHeight()); 1412 dest.set(0, 0, preview.getWidth(), preview.getHeight()); 1413 1414 Paint p = mCachedAppWidgetPreviewPaint.get(); 1415 if (p == null) { 1416 p = new Paint(); 1417 p.setFilterBitmap(true); 1418 mCachedAppWidgetPreviewPaint.set(p); 1419 } 1420 c.drawBitmap(defaultPreview, src, dest, p); 1421 c.setBitmap(null); 1422 } 1423 return preview; 1424 } 1425 1426 public void syncWidgetPageItems(final int page, final boolean immediate) { 1427 Log.d(TAG, "6549598 syncWidgetPageItems page: " + page); 1428 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 1429 1430 // Calculate the dimensions of each cell we are giving to each widget 1431 final ArrayList<Object> items = new ArrayList<Object>(); 1432 int contentWidth = mWidgetSpacingLayout.getContentWidth(); 1433 final int cellWidth = ((contentWidth - mPageLayoutPaddingLeft - mPageLayoutPaddingRight 1434 - ((mWidgetCountX - 1) * mWidgetWidthGap)) / mWidgetCountX); 1435 int contentHeight = mWidgetSpacingLayout.getContentHeight(); 1436 final int cellHeight = ((contentHeight - mPageLayoutPaddingTop - mPageLayoutPaddingBottom 1437 - ((mWidgetCountY - 1) * mWidgetHeightGap)) / mWidgetCountY); 1438 1439 // Prepare the set of widgets to load previews for in the background 1440 int offset = (page - mNumAppsPages) * numItemsPerPage; 1441 for (int i = offset; i < Math.min(offset + numItemsPerPage, mWidgets.size()); ++i) { 1442 items.add(mWidgets.get(i)); 1443 } 1444 1445 // Prepopulate the pages with the other widget info, and fill in the previews later 1446 final PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); 1447 layout.setColumnCount(layout.getCellCountX()); 1448 for (int i = 0; i < items.size(); ++i) { 1449 Object rawInfo = items.get(i); 1450 PendingAddItemInfo createItemInfo = null; 1451 PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate( 1452 R.layout.apps_customize_widget, layout, false); 1453 if (rawInfo instanceof AppWidgetProviderInfo) { 1454 // Fill in the widget information 1455 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1456 createItemInfo = new PendingAddWidgetInfo(info, null, null); 1457 1458 // Determine the widget spans and min resize spans. 1459 int[] spanXY = Launcher.getSpanForWidget(mLauncher, info); 1460 createItemInfo.spanX = spanXY[0]; 1461 createItemInfo.spanY = spanXY[1]; 1462 int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, info); 1463 createItemInfo.minSpanX = minSpanXY[0]; 1464 createItemInfo.minSpanY = minSpanXY[1]; 1465 1466 widget.applyFromAppWidgetProviderInfo(info, -1, spanXY); 1467 widget.setTag(createItemInfo); 1468 widget.setShortPressListener(this); 1469 } else if (rawInfo instanceof ResolveInfo) { 1470 // Fill in the shortcuts information 1471 ResolveInfo info = (ResolveInfo) rawInfo; 1472 createItemInfo = new PendingAddShortcutInfo(info.activityInfo); 1473 createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 1474 createItemInfo.componentName = new ComponentName(info.activityInfo.packageName, 1475 info.activityInfo.name); 1476 widget.applyFromResolveInfo(mPackageManager, info); 1477 widget.setTag(createItemInfo); 1478 } 1479 widget.setOnClickListener(this); 1480 widget.setOnLongClickListener(this); 1481 widget.setOnTouchListener(this); 1482 widget.setOnKeyListener(this); 1483 1484 // Layout each widget 1485 int ix = i % mWidgetCountX; 1486 int iy = i / mWidgetCountX; 1487 GridLayout.LayoutParams lp = new GridLayout.LayoutParams( 1488 GridLayout.spec(iy, GridLayout.LEFT), 1489 GridLayout.spec(ix, GridLayout.TOP)); 1490 lp.width = cellWidth; 1491 lp.height = cellHeight; 1492 lp.setGravity(Gravity.TOP | Gravity.LEFT); 1493 if (ix > 0) lp.leftMargin = mWidgetWidthGap; 1494 if (iy > 0) lp.topMargin = mWidgetHeightGap; 1495 layout.addView(widget, lp); 1496 } 1497 1498 // wait until a call on onLayout to start loading, because 1499 // PagedViewWidget.getPreviewSize() will return 0 if it hasn't been laid out 1500 // TODO: can we do a measure/layout immediately? 1501 layout.setOnLayoutListener(new Runnable() { 1502 public void run() { 1503 // Load the widget previews 1504 int maxPreviewWidth = cellWidth; 1505 int maxPreviewHeight = cellHeight; 1506 if (layout.getChildCount() > 0) { 1507 PagedViewWidget w = (PagedViewWidget) layout.getChildAt(0); 1508 int[] maxSize = w.getPreviewSize(); 1509 maxPreviewWidth = maxSize[0]; 1510 maxPreviewHeight = maxSize[1]; 1511 } 1512 if (immediate) { 1513 AsyncTaskPageData data = new AsyncTaskPageData(page, items, 1514 maxPreviewWidth, maxPreviewHeight, null, null); 1515 loadWidgetPreviewsInBackground(null, data); 1516 onSyncWidgetPageItems(data); 1517 } else { 1518 prepareLoadWidgetPreviewsTask(page, items, 1519 maxPreviewWidth, maxPreviewHeight, mWidgetCountX); 1520 } 1521 } 1522 }); 1523 } 1524 private void loadWidgetPreviewsInBackground(AppsCustomizeAsyncTask task, 1525 AsyncTaskPageData data) { 1526 // loadWidgetPreviewsInBackground can be called without a task to load a set of widget 1527 // previews synchronously 1528 if (task != null) { 1529 // Ensure that this task starts running at the correct priority 1530 task.syncThreadPriority(); 1531 } 1532 1533 // Load each of the widget/shortcut previews 1534 ArrayList<Object> items = data.items; 1535 ArrayList<Bitmap> images = data.generatedImages; 1536 int count = items.size(); 1537 for (int i = 0; i < count; ++i) { 1538 if (task != null) { 1539 // Ensure we haven't been cancelled yet 1540 if (task.isCancelled()) break; 1541 // Before work on each item, ensure that this task is running at the correct 1542 // priority 1543 task.syncThreadPriority(); 1544 } 1545 1546 Object rawInfo = items.get(i); 1547 if (rawInfo instanceof AppWidgetProviderInfo) { 1548 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1549 int[] cellSpans = Launcher.getSpanForWidget(mLauncher, info); 1550 1551 int maxWidth = Math.min(data.maxImageWidth, 1552 mWidgetSpacingLayout.estimateCellWidth(cellSpans[0])); 1553 int maxHeight = Math.min(data.maxImageHeight, 1554 mWidgetSpacingLayout.estimateCellHeight(cellSpans[1])); 1555 Bitmap b = getWidgetPreview(info.provider, info.previewImage, info.icon, 1556 cellSpans[0], cellSpans[1], maxWidth, maxHeight); 1557 images.add(b); 1558 } else if (rawInfo instanceof ResolveInfo) { 1559 // Fill in the shortcuts information 1560 ResolveInfo info = (ResolveInfo) rawInfo; 1561 images.add(getShortcutPreview(info, data.maxImageWidth, data.maxImageHeight)); 1562 } 1563 } 1564 } 1565 1566 private void onSyncWidgetPageItems(AsyncTaskPageData data) { 1567 if (mInTransition) { 1568 mDeferredSyncWidgetPageItems.add(data); 1569 return; 1570 } 1571 try { 1572 int page = data.page; 1573 PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); 1574 1575 ArrayList<Object> items = data.items; 1576 int count = items.size(); 1577 for (int i = 0; i < count; ++i) { 1578 PagedViewWidget widget = (PagedViewWidget) layout.getChildAt(i); 1579 if (widget != null) { 1580 Bitmap preview = data.generatedImages.get(i); 1581 widget.applyPreview(new FastBitmapDrawable(preview), i); 1582 } 1583 } 1584 1585 layout.createHardwareLayer(); 1586 invalidate(); 1587 1588 // Update all thread priorities 1589 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1590 while (iter.hasNext()) { 1591 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1592 int pageIndex = task.page; 1593 task.setThreadPriority(getThreadPriorityForPage(pageIndex)); 1594 } 1595 } finally { 1596 data.cleanup(false); 1597 } 1598 } 1599 1600 @Override 1601 public void syncPages() { 1602 removeAllViews(); 1603 cancelAllTasks(); 1604 1605 Context context = getContext(); 1606 for (int j = 0; j < mNumWidgetPages; ++j) { 1607 PagedViewGridLayout layout = new PagedViewGridLayout(context, mWidgetCountX, 1608 mWidgetCountY); 1609 setupPage(layout); 1610 addView(layout, new PagedView.LayoutParams(LayoutParams.MATCH_PARENT, 1611 LayoutParams.MATCH_PARENT)); 1612 } 1613 1614 for (int i = 0; i < mNumAppsPages; ++i) { 1615 PagedViewCellLayout layout = new PagedViewCellLayout(context); 1616 setupPage(layout); 1617 addView(layout); 1618 } 1619 1620 Log.d(TAG, "6549598 syncPages mNumAppsPages: " + mNumAppsPages + " mNumWidgetPages: " + mNumWidgetPages); 1621 } 1622 1623 @Override 1624 public void syncPageItems(int page, boolean immediate) { 1625 Log.d(TAG, "6549598 syncPageItems page: " + page + " immediate: " + immediate); 1626 if (page < mNumAppsPages) { 1627 syncAppsPageItems(page, immediate); 1628 } else { 1629 syncWidgetPageItems(page, immediate); 1630 } 1631 } 1632 1633 // We want our pages to be z-ordered such that the further a page is to the left, the higher 1634 // it is in the z-order. This is important to insure touch events are handled correctly. 1635 View getPageAt(int index) { 1636 return getChildAt(indexToPage(index)); 1637 } 1638 1639 @Override 1640 protected int indexToPage(int index) { 1641 return getChildCount() - index - 1; 1642 } 1643 1644 // In apps customize, we have a scrolling effect which emulates pulling cards off of a stack. 1645 @Override 1646 protected void screenScrolled(int screenCenter) { 1647 super.screenScrolled(screenCenter); 1648 1649 for (int i = 0; i < getChildCount(); i++) { 1650 View v = getPageAt(i); 1651 if (v != null) { 1652 float scrollProgress = getScrollProgress(screenCenter, v, i); 1653 1654 float interpolatedProgress = 1655 mZInterpolator.getInterpolation(Math.abs(Math.min(scrollProgress, 0))); 1656 float scale = (1 - interpolatedProgress) + 1657 interpolatedProgress * TRANSITION_SCALE_FACTOR; 1658 float translationX = Math.min(0, scrollProgress) * v.getMeasuredWidth(); 1659 1660 float alpha; 1661 1662 if (scrollProgress < 0) { 1663 alpha = scrollProgress < 0 ? mAlphaInterpolator.getInterpolation( 1664 1 - Math.abs(scrollProgress)) : 1.0f; 1665 } else { 1666 // On large screens we need to fade the page as it nears its leftmost position 1667 alpha = mLeftScreenAlphaInterpolator.getInterpolation(1 - scrollProgress); 1668 } 1669 1670 v.setCameraDistance(mDensity * CAMERA_DISTANCE); 1671 int pageWidth = v.getMeasuredWidth(); 1672 int pageHeight = v.getMeasuredHeight(); 1673 1674 if (PERFORM_OVERSCROLL_ROTATION) { 1675 if (i == 0 && scrollProgress < 0) { 1676 // Overscroll to the left 1677 v.setPivotX(TRANSITION_PIVOT * pageWidth); 1678 v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress); 1679 scale = 1.0f; 1680 alpha = 1.0f; 1681 // On the first page, we don't want the page to have any lateral motion 1682 translationX = 0; 1683 } else if (i == getChildCount() - 1 && scrollProgress > 0) { 1684 // Overscroll to the right 1685 v.setPivotX((1 - TRANSITION_PIVOT) * pageWidth); 1686 v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress); 1687 scale = 1.0f; 1688 alpha = 1.0f; 1689 // On the last page, we don't want the page to have any lateral motion. 1690 translationX = 0; 1691 } else { 1692 v.setPivotY(pageHeight / 2.0f); 1693 v.setPivotX(pageWidth / 2.0f); 1694 v.setRotationY(0f); 1695 } 1696 } 1697 1698 v.setTranslationX(translationX); 1699 v.setScaleX(scale); 1700 v.setScaleY(scale); 1701 v.setAlpha(alpha); 1702 1703 // If the view has 0 alpha, we set it to be invisible so as to prevent 1704 // it from accepting touches 1705 if (alpha == 0) { 1706 v.setVisibility(INVISIBLE); 1707 } else if (v.getVisibility() != VISIBLE) { 1708 v.setVisibility(VISIBLE); 1709 } 1710 } 1711 } 1712 } 1713 1714 protected void overScroll(float amount) { 1715 acceleratedOverScroll(amount); 1716 } 1717 1718 /** 1719 * Used by the parent to get the content width to set the tab bar to 1720 * @return 1721 */ 1722 public int getPageContentWidth() { 1723 return mContentWidth; 1724 } 1725 1726 @Override 1727 protected void onPageEndMoving() { 1728 super.onPageEndMoving(); 1729 mForceDrawAllChildrenNextFrame = true; 1730 // We reset the save index when we change pages so that it will be recalculated on next 1731 // rotation 1732 mSaveInstanceStateItemIndex = -1; 1733 } 1734 1735 /* 1736 * AllAppsView implementation 1737 */ 1738 @Override 1739 public void setup(Launcher launcher, DragController dragController) { 1740 mLauncher = launcher; 1741 mDragController = dragController; 1742 } 1743 @Override 1744 public void zoom(float zoom, boolean animate) { 1745 // TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed() 1746 } 1747 @Override 1748 public boolean isVisible() { 1749 return (getVisibility() == VISIBLE); 1750 } 1751 @Override 1752 public boolean isAnimating() { 1753 return false; 1754 } 1755 @Override 1756 public void setApps(ArrayList<ApplicationInfo> list) { 1757 mApps = list; 1758 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); 1759 Log.d(TAG, "6549598 setApps mApps.size(): " + mApps.size()); 1760 updatePageCounts(); 1761 1762 // The next layout pass will trigger data-ready if both widgets and apps are set, so 1763 // request a layout to do this test and invalidate the page data when ready. 1764 if (testDataReady()) requestLayout(); 1765 } 1766 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1767 // We add it in place, in alphabetical order 1768 int count = list.size(); 1769 for (int i = 0; i < count; ++i) { 1770 ApplicationInfo info = list.get(i); 1771 int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); 1772 if (index < 0) { 1773 mApps.add(-(index + 1), info); 1774 } 1775 } 1776 } 1777 @Override 1778 public void addApps(ArrayList<ApplicationInfo> list) { 1779 addAppsWithoutInvalidate(list); 1780 Log.d(TAG, "6549598 addApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1781 updatePageCounts(); 1782 invalidatePageData(); 1783 Log.d(TAG, "6549598 addApps mNumAppsPages: " + mNumAppsPages); 1784 } 1785 private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { 1786 ComponentName removeComponent = item.intent.getComponent(); 1787 int length = list.size(); 1788 for (int i = 0; i < length; ++i) { 1789 ApplicationInfo info = list.get(i); 1790 if (info.intent.getComponent().equals(removeComponent)) { 1791 return i; 1792 } 1793 } 1794 return -1; 1795 } 1796 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1797 // loop through all the apps and remove apps that have the same component 1798 int length = list.size(); 1799 for (int i = 0; i < length; ++i) { 1800 ApplicationInfo info = list.get(i); 1801 int removeIndex = findAppByComponent(mApps, info); 1802 if (removeIndex > -1) { 1803 mApps.remove(removeIndex); 1804 } 1805 } 1806 } 1807 @Override 1808 public void removeApps(ArrayList<ApplicationInfo> list) { 1809 removeAppsWithoutInvalidate(list); 1810 Log.d(TAG, "6549598 removeApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1811 updatePageCounts(); 1812 invalidatePageData(); 1813 Log.d(TAG, "6549598 removeApps mNumAppsPages: " + mNumAppsPages); 1814 } 1815 @Override 1816 public void updateApps(ArrayList<ApplicationInfo> list) { 1817 // We remove and re-add the updated applications list because it's properties may have 1818 // changed (ie. the title), and this will ensure that the items will be in their proper 1819 // place in the list. 1820 removeAppsWithoutInvalidate(list); 1821 addAppsWithoutInvalidate(list); 1822 Log.d(TAG, "6549598 updateApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1823 updatePageCounts(); 1824 invalidatePageData(); 1825 Log.d(TAG, "6549598 updateApps mNumAppsPages: " + mNumAppsPages); 1826 } 1827 1828 @Override 1829 public void reset() { 1830 Log.d(TAG, "6549598 reset"); 1831 // If we have reset, then we should not continue to restore the previous state 1832 mSaveInstanceStateItemIndex = -1; 1833 1834 AppsCustomizeTabHost tabHost = getTabHost(); 1835 String tag = tabHost.getCurrentTabTag(); 1836 if (tag != null) { 1837 if (!tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) { 1838 tabHost.setCurrentTabFromContent(ContentType.Applications); 1839 } 1840 } 1841 1842 if (mCurrentPage != 0) { 1843 invalidatePageData(0); 1844 } 1845 } 1846 1847 private AppsCustomizeTabHost getTabHost() { 1848 return (AppsCustomizeTabHost) mLauncher.findViewById(R.id.apps_customize_pane); 1849 } 1850 1851 @Override 1852 public void dumpState() { 1853 // TODO: Dump information related to current list of Applications, Widgets, etc. 1854 ApplicationInfo.dumpApplicationInfoList(TAG, "mApps", mApps); 1855 dumpAppWidgetProviderInfoList(TAG, "mWidgets", mWidgets); 1856 } 1857 1858 private void dumpAppWidgetProviderInfoList(String tag, String label, 1859 ArrayList<Object> list) { 1860 Log.d(tag, label + " size=" + list.size()); 1861 for (Object i: list) { 1862 if (i instanceof AppWidgetProviderInfo) { 1863 AppWidgetProviderInfo info = (AppWidgetProviderInfo) i; 1864 Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage 1865 + " resizeMode=" + info.resizeMode + " configure=" + info.configure 1866 + " initialLayout=" + info.initialLayout 1867 + " minWidth=" + info.minWidth + " minHeight=" + info.minHeight); 1868 } else if (i instanceof ResolveInfo) { 1869 ResolveInfo info = (ResolveInfo) i; 1870 Log.d(tag, " label=\"" + info.loadLabel(mPackageManager) + "\" icon=" 1871 + info.icon); 1872 } 1873 } 1874 } 1875 1876 @Override 1877 public void surrender() { 1878 // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we 1879 // should stop this now. 1880 1881 // Stop all background tasks 1882 cancelAllTasks(); 1883 } 1884 1885 @Override 1886 public void iconPressed(PagedViewIcon icon) { 1887 // Reset the previously pressed icon and store a reference to the pressed icon so that 1888 // we can reset it on return to Launcher (in Launcher.onResume()) 1889 if (mPressedIcon != null) { 1890 mPressedIcon.resetDrawableState(); 1891 } 1892 mPressedIcon = icon; 1893 } 1894 1895 public void resetDrawableState() { 1896 if (mPressedIcon != null) { 1897 mPressedIcon.resetDrawableState(); 1898 mPressedIcon = null; 1899 } 1900 } 1901 1902 /* 1903 * We load an extra page on each side to prevent flashes from scrolling and loading of the 1904 * widget previews in the background with the AsyncTasks. 1905 */ 1906 final static int sLookBehindPageCount = 2; 1907 final static int sLookAheadPageCount = 2; 1908 protected int getAssociatedLowerPageBound(int page) { 1909 final int count = getChildCount(); 1910 int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); 1911 int windowMinIndex = Math.max(Math.min(page - sLookBehindPageCount, count - windowSize), 0); 1912 return windowMinIndex; 1913 } 1914 protected int getAssociatedUpperPageBound(int page) { 1915 final int count = getChildCount(); 1916 int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); 1917 int windowMaxIndex = Math.min(Math.max(page + sLookAheadPageCount, windowSize - 1), 1918 count - 1); 1919 return windowMaxIndex; 1920 } 1921 1922 @Override 1923 protected String getCurrentPageDescription() { 1924 int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage; 1925 int stringId = R.string.default_scroll_format; 1926 int count = 0; 1927 1928 if (page < mNumAppsPages) { 1929 stringId = R.string.apps_customize_apps_scroll_format; 1930 count = mNumAppsPages; 1931 } else { 1932 page -= mNumAppsPages; 1933 stringId = R.string.apps_customize_widgets_scroll_format; 1934 count = mNumWidgetPages; 1935 } 1936 1937 return String.format(getContext().getString(stringId), page + 1, count); 1938 } 1939} 1940