Workspace.java revision 9b9fb967b2305413520dc676d6d3c472b2b6b25e
1/* 2 * Copyright (C) 2008 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.launcher3; 18 19import android.animation.Animator; 20import android.animation.Animator.AnimatorListener; 21import android.animation.AnimatorListenerAdapter; 22import android.animation.AnimatorSet; 23import android.animation.LayoutTransition; 24import android.animation.ObjectAnimator; 25import android.animation.PropertyValuesHolder; 26import android.animation.TimeInterpolator; 27import android.animation.ValueAnimator; 28import android.animation.ValueAnimator.AnimatorUpdateListener; 29import android.app.WallpaperManager; 30import android.appwidget.AppWidgetHostView; 31import android.appwidget.AppWidgetProviderInfo; 32import android.content.ComponentName; 33import android.content.Context; 34import android.content.Intent; 35import android.content.SharedPreferences; 36import android.content.res.Resources; 37import android.content.res.TypedArray; 38import android.graphics.Bitmap; 39import android.graphics.Canvas; 40import android.graphics.Matrix; 41import android.graphics.Point; 42import android.graphics.PointF; 43import android.graphics.Rect; 44import android.graphics.Region.Op; 45import android.graphics.drawable.Drawable; 46import android.net.Uri; 47import android.os.IBinder; 48import android.os.Parcelable; 49import android.support.v4.view.ViewCompat; 50import android.util.AttributeSet; 51import android.util.Log; 52import android.util.SparseArray; 53import android.view.Choreographer; 54import android.view.Display; 55import android.view.MotionEvent; 56import android.view.View; 57import android.view.ViewGroup; 58import android.view.View.OnClickListener; 59import android.view.accessibility.AccessibilityEvent; 60import android.view.accessibility.AccessibilityManager; 61import android.view.accessibility.AccessibilityNodeInfo; 62import android.view.animation.DecelerateInterpolator; 63import android.view.animation.Interpolator; 64import android.widget.TextView; 65 66import com.android.launcher3.FolderIcon.FolderRingAnimator; 67import com.android.launcher3.Launcher.CustomContentCallbacks; 68import com.android.launcher3.LauncherSettings.Favorites; 69 70import java.util.ArrayList; 71import java.util.HashMap; 72import java.util.HashSet; 73import java.util.Iterator; 74 75/** 76 * The workspace is a wide area with a wallpaper and a finite number of pages. 77 * Each page contains a number of icons, folders or widgets the user can 78 * interact with. A workspace is meant to be used with a fixed width only. 79 */ 80public class Workspace extends SmoothPagedView 81 implements DropTarget, DragSource, DragScroller, View.OnTouchListener, 82 DragController.DragListener, LauncherTransitionable, ViewGroup.OnHierarchyChangeListener, 83 Insettable { 84 private static final String TAG = "Launcher.Workspace"; 85 86 // Y rotation to apply to the workspace screens 87 private static final float WORKSPACE_OVERSCROLL_ROTATION = 24f; 88 89 private static final int CHILDREN_OUTLINE_FADE_OUT_DELAY = 0; 90 private static final int CHILDREN_OUTLINE_FADE_OUT_DURATION = 375; 91 private static final int CHILDREN_OUTLINE_FADE_IN_DURATION = 100; 92 93 protected static final int SNAP_OFF_EMPTY_SCREEN_DURATION = 400; 94 protected static final int FADE_EMPTY_SCREEN_DURATION = 150; 95 96 private static final int BACKGROUND_FADE_OUT_DURATION = 350; 97 private static final int ADJACENT_SCREEN_DROP_DURATION = 300; 98 private static final int FLING_THRESHOLD_VELOCITY = 500; 99 100 private static final float ALPHA_CUTOFF_THRESHOLD = 0.01f; 101 102 // These animators are used to fade the children's outlines 103 private ObjectAnimator mChildrenOutlineFadeInAnimation; 104 private ObjectAnimator mChildrenOutlineFadeOutAnimation; 105 private float mChildrenOutlineAlpha = 0; 106 107 // These properties refer to the background protection gradient used for AllApps and Customize 108 private ValueAnimator mBackgroundFadeInAnimation; 109 private ValueAnimator mBackgroundFadeOutAnimation; 110 private Drawable mBackground; 111 boolean mDrawBackground = true; 112 private float mBackgroundAlpha = 0; 113 114 private static final long CUSTOM_CONTENT_GESTURE_DELAY = 200; 115 private long mTouchDownTime = -1; 116 private long mCustomContentShowTime = -1; 117 118 private LayoutTransition mLayoutTransition; 119 private final WallpaperManager mWallpaperManager; 120 private IBinder mWindowToken; 121 122 private int mOriginalDefaultPage; 123 private int mDefaultPage; 124 125 private ShortcutAndWidgetContainer mDragSourceInternal; 126 private static boolean sAccessibilityEnabled; 127 128 // The screen id used for the empty screen always present to the right. 129 private final static long EXTRA_EMPTY_SCREEN_ID = -201; 130 private final static long CUSTOM_CONTENT_SCREEN_ID = -301; 131 132 private HashMap<Long, CellLayout> mWorkspaceScreens = new HashMap<Long, CellLayout>(); 133 private ArrayList<Long> mScreenOrder = new ArrayList<Long>(); 134 135 private Runnable mRemoveEmptyScreenRunnable; 136 137 /** 138 * CellInfo for the cell that is currently being dragged 139 */ 140 private CellLayout.CellInfo mDragInfo; 141 142 /** 143 * Target drop area calculated during last acceptDrop call. 144 */ 145 private int[] mTargetCell = new int[2]; 146 private int mDragOverX = -1; 147 private int mDragOverY = -1; 148 149 static Rect mLandscapeCellLayoutMetrics = null; 150 static Rect mPortraitCellLayoutMetrics = null; 151 152 CustomContentCallbacks mCustomContentCallbacks; 153 boolean mCustomContentShowing; 154 private float mLastCustomContentScrollProgress = -1f; 155 private String mCustomContentDescription = ""; 156 157 /** 158 * The CellLayout that is currently being dragged over 159 */ 160 private CellLayout mDragTargetLayout = null; 161 /** 162 * The CellLayout that we will show as glowing 163 */ 164 private CellLayout mDragOverlappingLayout = null; 165 166 /** 167 * The CellLayout which will be dropped to 168 */ 169 private CellLayout mDropToLayout = null; 170 171 private Launcher mLauncher; 172 private IconCache mIconCache; 173 private DragController mDragController; 174 175 // These are temporary variables to prevent having to allocate a new object just to 176 // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 177 private int[] mTempCell = new int[2]; 178 private int[] mTempPt = new int[2]; 179 private int[] mTempEstimate = new int[2]; 180 private float[] mDragViewVisualCenter = new float[2]; 181 private float[] mTempCellLayoutCenterCoordinates = new float[2]; 182 private Matrix mTempInverseMatrix = new Matrix(); 183 184 private SpringLoadedDragController mSpringLoadedDragController; 185 private float mSpringLoadedShrinkFactor; 186 private float mOverviewModeShrinkFactor; 187 188 // State variable that indicates whether the pages are small (ie when you're 189 // in all apps or customize mode) 190 191 enum State { NORMAL, SPRING_LOADED, SMALL, OVERVIEW}; 192 private State mState = State.NORMAL; 193 private boolean mIsSwitchingState = false; 194 195 boolean mAnimatingViewIntoPlace = false; 196 boolean mIsDragOccuring = false; 197 boolean mChildrenLayersEnabled = true; 198 199 private boolean mStripScreensOnPageStopMoving = false; 200 201 /** Is the user is dragging an item near the edge of a page? */ 202 private boolean mInScrollArea = false; 203 204 private HolographicOutlineHelper mOutlineHelper; 205 private Bitmap mDragOutline = null; 206 private final Rect mTempRect = new Rect(); 207 private final int[] mTempXY = new int[2]; 208 private int[] mTempVisiblePagesRange = new int[2]; 209 private boolean mOverscrollTransformsSet; 210 private float mLastOverscrollPivotX; 211 public static final int DRAG_BITMAP_PADDING = 2; 212 private boolean mWorkspaceFadeInAdjacentScreens; 213 214 WallpaperOffsetInterpolator mWallpaperOffset; 215 private Runnable mDelayedResizeRunnable; 216 private Runnable mDelayedSnapToPageRunnable; 217 private Point mDisplaySize = new Point(); 218 private int mCameraDistance; 219 220 // Variables relating to the creation of user folders by hovering shortcuts over shortcuts 221 private static final int FOLDER_CREATION_TIMEOUT = 0; 222 private static final int REORDER_TIMEOUT = 250; 223 private final Alarm mFolderCreationAlarm = new Alarm(); 224 private final Alarm mReorderAlarm = new Alarm(); 225 private FolderRingAnimator mDragFolderRingAnimator = null; 226 private FolderIcon mDragOverFolderIcon = null; 227 private boolean mCreateUserFolderOnDrop = false; 228 private boolean mAddToExistingFolderOnDrop = false; 229 private DropTarget.DragEnforcer mDragEnforcer; 230 private float mMaxDistanceForFolderCreation; 231 232 // Variables relating to touch disambiguation (scrolling workspace vs. scrolling a widget) 233 private float mXDown; 234 private float mYDown; 235 final static float START_DAMPING_TOUCH_SLOP_ANGLE = (float) Math.PI / 6; 236 final static float MAX_SWIPE_ANGLE = (float) Math.PI / 3; 237 final static float TOUCH_SLOP_DAMPING_FACTOR = 4; 238 239 // Relating to the animation of items being dropped externally 240 public static final int ANIMATE_INTO_POSITION_AND_DISAPPEAR = 0; 241 public static final int ANIMATE_INTO_POSITION_AND_REMAIN = 1; 242 public static final int ANIMATE_INTO_POSITION_AND_RESIZE = 2; 243 public static final int COMPLETE_TWO_STAGE_WIDGET_DROP_ANIMATION = 3; 244 public static final int CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION = 4; 245 246 // Related to dragging, folder creation and reordering 247 private static final int DRAG_MODE_NONE = 0; 248 private static final int DRAG_MODE_CREATE_FOLDER = 1; 249 private static final int DRAG_MODE_ADD_TO_FOLDER = 2; 250 private static final int DRAG_MODE_REORDER = 3; 251 private int mDragMode = DRAG_MODE_NONE; 252 private int mLastReorderX = -1; 253 private int mLastReorderY = -1; 254 255 private SparseArray<Parcelable> mSavedStates; 256 private final ArrayList<Integer> mRestoredPages = new ArrayList<Integer>(); 257 258 // These variables are used for storing the initial and final values during workspace animations 259 private int mSavedScrollX; 260 private float mSavedRotationY; 261 private float mSavedTranslationX; 262 263 private float mCurrentScale; 264 private float mNewScale; 265 private float[] mOldBackgroundAlphas; 266 private float[] mOldAlphas; 267 private float[] mNewBackgroundAlphas; 268 private float[] mNewAlphas; 269 private int mLastChildCount = -1; 270 private float mTransitionProgress; 271 272 private Runnable mDeferredAction; 273 private boolean mDeferDropAfterUninstall; 274 private boolean mUninstallSuccessful; 275 276 private final Runnable mBindPages = new Runnable() { 277 @Override 278 public void run() { 279 mLauncher.getModel().bindRemainingSynchronousPages(); 280 } 281 }; 282 283 /** 284 * Used to inflate the Workspace from XML. 285 * 286 * @param context The application's context. 287 * @param attrs The attributes set containing the Workspace's customization values. 288 */ 289 public Workspace(Context context, AttributeSet attrs) { 290 this(context, attrs, 0); 291 } 292 293 /** 294 * Used to inflate the Workspace from XML. 295 * 296 * @param context The application's context. 297 * @param attrs The attributes set containing the Workspace's customization values. 298 * @param defStyle Unused. 299 */ 300 public Workspace(Context context, AttributeSet attrs, int defStyle) { 301 super(context, attrs, defStyle); 302 mContentIsRefreshable = false; 303 304 mOutlineHelper = HolographicOutlineHelper.obtain(context); 305 306 mDragEnforcer = new DropTarget.DragEnforcer(context); 307 // With workspace, data is available straight from the get-go 308 setDataIsReady(); 309 310 mLauncher = (Launcher) context; 311 final Resources res = getResources(); 312 mWorkspaceFadeInAdjacentScreens = LauncherAppState.getInstance().getDynamicGrid(). 313 getDeviceProfile().shouldFadeAdjacentWorkspaceScreens(); 314 mFadeInAdjacentScreens = false; 315 mWallpaperManager = WallpaperManager.getInstance(context); 316 317 LauncherAppState app = LauncherAppState.getInstance(); 318 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 319 TypedArray a = context.obtainStyledAttributes(attrs, 320 R.styleable.Workspace, defStyle, 0); 321 mSpringLoadedShrinkFactor = 322 res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f; 323 mOverviewModeShrinkFactor = grid.getOverviewModeScale(); 324 mCameraDistance = res.getInteger(R.integer.config_cameraDistance); 325 mOriginalDefaultPage = mDefaultPage = a.getInt(R.styleable.Workspace_defaultScreen, 1); 326 a.recycle(); 327 328 setOnHierarchyChangeListener(this); 329 setHapticFeedbackEnabled(false); 330 331 initWorkspace(); 332 333 // Disable multitouch across the workspace/all apps/customize tray 334 setMotionEventSplittingEnabled(true); 335 setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES); 336 } 337 338 @Override 339 public void setInsets(Rect insets) { 340 mInsets.set(insets); 341 } 342 343 // estimate the size of a widget with spans hSpan, vSpan. return MAX_VALUE for each 344 // dimension if unsuccessful 345 public int[] estimateItemSize(int hSpan, int vSpan, 346 ItemInfo itemInfo, boolean springLoaded) { 347 int[] size = new int[2]; 348 if (getChildCount() > 0) { 349 // Use the first non-custom page to estimate the child position 350 CellLayout cl = (CellLayout) getChildAt(numCustomPages()); 351 Rect r = estimateItemPosition(cl, itemInfo, 0, 0, hSpan, vSpan); 352 size[0] = r.width(); 353 size[1] = r.height(); 354 if (springLoaded) { 355 size[0] *= mSpringLoadedShrinkFactor; 356 size[1] *= mSpringLoadedShrinkFactor; 357 } 358 return size; 359 } else { 360 size[0] = Integer.MAX_VALUE; 361 size[1] = Integer.MAX_VALUE; 362 return size; 363 } 364 } 365 366 public Rect estimateItemPosition(CellLayout cl, ItemInfo pendingInfo, 367 int hCell, int vCell, int hSpan, int vSpan) { 368 Rect r = new Rect(); 369 cl.cellToRect(hCell, vCell, hSpan, vSpan, r); 370 return r; 371 } 372 373 public void onDragStart(final DragSource source, Object info, int dragAction) { 374 mIsDragOccuring = true; 375 updateChildrenLayersEnabled(false); 376 mLauncher.lockScreenOrientation(); 377 mLauncher.onInteractionBegin(); 378 setChildrenBackgroundAlphaMultipliers(1f); 379 // Prevent any Un/InstallShortcutReceivers from updating the db while we are dragging 380 InstallShortcutReceiver.enableInstallQueue(); 381 UninstallShortcutReceiver.enableUninstallQueue(); 382 post(new Runnable() { 383 @Override 384 public void run() { 385 if (mIsDragOccuring) { 386 addExtraEmptyScreenOnDrag(); 387 } 388 } 389 }); 390 } 391 392 public void onDragEnd() { 393 mIsDragOccuring = false; 394 updateChildrenLayersEnabled(false); 395 mLauncher.unlockScreenOrientation(false); 396 397 // Re-enable any Un/InstallShortcutReceiver and now process any queued items 398 InstallShortcutReceiver.disableAndFlushInstallQueue(getContext()); 399 UninstallShortcutReceiver.disableAndFlushUninstallQueue(getContext()); 400 401 mDragSourceInternal = null; 402 mLauncher.onInteractionEnd(); 403 } 404 405 /** 406 * Initializes various states for this workspace. 407 */ 408 protected void initWorkspace() { 409 Context context = getContext(); 410 mCurrentPage = mDefaultPage; 411 Launcher.setScreen(mCurrentPage); 412 LauncherAppState app = LauncherAppState.getInstance(); 413 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 414 mIconCache = app.getIconCache(); 415 setWillNotDraw(false); 416 setClipChildren(false); 417 setClipToPadding(false); 418 setChildrenDrawnWithCacheEnabled(true); 419 420 setMinScale(mOverviewModeShrinkFactor); 421 setupLayoutTransition(); 422 423 final Resources res = getResources(); 424 try { 425 mBackground = res.getDrawable(R.drawable.apps_customize_bg); 426 } catch (Resources.NotFoundException e) { 427 // In this case, we will skip drawing background protection 428 } 429 430 mWallpaperOffset = new WallpaperOffsetInterpolator(); 431 Display display = mLauncher.getWindowManager().getDefaultDisplay(); 432 display.getSize(mDisplaySize); 433 434 mMaxDistanceForFolderCreation = (0.55f * grid.iconSizePx); 435 mFlingThresholdVelocity = (int) (FLING_THRESHOLD_VELOCITY * mDensity); 436 } 437 438 private void setupLayoutTransition() { 439 // We want to show layout transitions when pages are deleted, to close the gap. 440 mLayoutTransition = new LayoutTransition(); 441 mLayoutTransition.enableTransitionType(LayoutTransition.DISAPPEARING); 442 mLayoutTransition.enableTransitionType(LayoutTransition.CHANGE_DISAPPEARING); 443 mLayoutTransition.disableTransitionType(LayoutTransition.APPEARING); 444 mLayoutTransition.disableTransitionType(LayoutTransition.CHANGE_APPEARING); 445 setLayoutTransition(mLayoutTransition); 446 } 447 448 void enableLayoutTransitions() { 449 setLayoutTransition(mLayoutTransition); 450 } 451 void disableLayoutTransitions() { 452 setLayoutTransition(null); 453 } 454 455 @Override 456 protected int getScrollMode() { 457 return SmoothPagedView.X_LARGE_MODE; 458 } 459 460 @Override 461 public void onChildViewAdded(View parent, View child) { 462 if (!(child instanceof CellLayout)) { 463 throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 464 } 465 CellLayout cl = ((CellLayout) child); 466 cl.setOnInterceptTouchListener(this); 467 cl.setClickable(true); 468 cl.setImportantForAccessibility(ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_NO); 469 super.onChildViewAdded(parent, child); 470 } 471 472 protected boolean shouldDrawChild(View child) { 473 final CellLayout cl = (CellLayout) child; 474 return super.shouldDrawChild(child) && 475 (mIsSwitchingState || 476 cl.getShortcutsAndWidgets().getAlpha() > 0 || 477 cl.getBackgroundAlpha() > 0); 478 } 479 480 /** 481 * @return The open folder on the current screen, or null if there is none 482 */ 483 Folder getOpenFolder() { 484 DragLayer dragLayer = mLauncher.getDragLayer(); 485 int count = dragLayer.getChildCount(); 486 for (int i = 0; i < count; i++) { 487 View child = dragLayer.getChildAt(i); 488 if (child instanceof Folder) { 489 Folder folder = (Folder) child; 490 if (folder.getInfo().opened) 491 return folder; 492 } 493 } 494 return null; 495 } 496 497 boolean isTouchActive() { 498 return mTouchState != TOUCH_STATE_REST; 499 } 500 501 public void removeAllWorkspaceScreens() { 502 // Disable all layout transitions before removing all pages to ensure that we don't get the 503 // transition animations competing with us changing the scroll when we add pages or the 504 // custom content screen 505 disableLayoutTransitions(); 506 507 // Since we increment the current page when we call addCustomContentPage via bindScreens 508 // (and other places), we need to adjust the current page back when we clear the pages 509 if (hasCustomContent()) { 510 removeCustomContentPage(); 511 } 512 513 // Remove the pages and clear the screen models 514 removeAllViews(); 515 mScreenOrder.clear(); 516 mWorkspaceScreens.clear(); 517 518 // Re-enable the layout transitions 519 enableLayoutTransitions(); 520 } 521 522 public long insertNewWorkspaceScreenBeforeEmptyScreen(long screenId) { 523 // Find the index to insert this view into. If the empty screen exists, then 524 // insert it before that. 525 int insertIndex = mScreenOrder.indexOf(EXTRA_EMPTY_SCREEN_ID); 526 if (insertIndex < 0) { 527 insertIndex = mScreenOrder.size(); 528 } 529 return insertNewWorkspaceScreen(screenId, insertIndex); 530 } 531 532 public long insertNewWorkspaceScreen(long screenId) { 533 return insertNewWorkspaceScreen(screenId, getChildCount()); 534 } 535 536 public long insertNewWorkspaceScreen(long screenId, int insertIndex) { 537 // Log to disk 538 Launcher.addDumpLog(TAG, "11683562 - insertNewWorkspaceScreen(): " + screenId + 539 " at index: " + insertIndex, true); 540 541 if (mWorkspaceScreens.containsKey(screenId)) { 542 throw new RuntimeException("Screen id " + screenId + " already exists!"); 543 } 544 545 CellLayout newScreen = (CellLayout) 546 mLauncher.getLayoutInflater().inflate(R.layout.workspace_screen, null); 547 548 newScreen.setOnLongClickListener(mLongClickListener); 549 newScreen.setOnClickListener(mLauncher); 550 newScreen.setSoundEffectsEnabled(false); 551 mWorkspaceScreens.put(screenId, newScreen); 552 mScreenOrder.add(insertIndex, screenId); 553 addView(newScreen, insertIndex); 554 return screenId; 555 } 556 557 public void createCustomContentPage() { 558 CellLayout customScreen = (CellLayout) 559 mLauncher.getLayoutInflater().inflate(R.layout.workspace_screen, null); 560 561 mWorkspaceScreens.put(CUSTOM_CONTENT_SCREEN_ID, customScreen); 562 mScreenOrder.add(0, CUSTOM_CONTENT_SCREEN_ID); 563 564 // We want no padding on the custom content 565 customScreen.setPadding(0, 0, 0, 0); 566 567 addFullScreenPage(customScreen); 568 569 // Ensure that the current page and default page are maintained. 570 mDefaultPage = mOriginalDefaultPage + 1; 571 572 // Update the custom content hint 573 mLauncher.updateCustomContentHintVisibility(); 574 if (mRestorePage != INVALID_RESTORE_PAGE) { 575 mRestorePage = mRestorePage + 1; 576 } else { 577 setCurrentPage(getCurrentPage() + 1); 578 } 579 } 580 581 public void removeCustomContentPage() { 582 CellLayout customScreen = getScreenWithId(CUSTOM_CONTENT_SCREEN_ID); 583 if (customScreen == null) { 584 throw new RuntimeException("Expected custom content screen to exist"); 585 } 586 587 mWorkspaceScreens.remove(CUSTOM_CONTENT_SCREEN_ID); 588 mScreenOrder.remove(CUSTOM_CONTENT_SCREEN_ID); 589 removeView(customScreen); 590 591 if (mCustomContentCallbacks != null) { 592 mCustomContentCallbacks.onScrollProgressChanged(0); 593 mCustomContentCallbacks.onHide(); 594 } 595 596 mCustomContentCallbacks = null; 597 598 // Ensure that the current page and default page are maintained. 599 mDefaultPage = mOriginalDefaultPage - 1; 600 601 // Update the custom content hint 602 mLauncher.updateCustomContentHintVisibility(); 603 if (mRestorePage != INVALID_RESTORE_PAGE) { 604 mRestorePage = mRestorePage - 1; 605 } else { 606 setCurrentPage(getCurrentPage() - 1); 607 } 608 } 609 610 public void addToCustomContentPage(View customContent, CustomContentCallbacks callbacks, 611 String description) { 612 if (getPageIndexForScreenId(CUSTOM_CONTENT_SCREEN_ID) < 0) { 613 throw new RuntimeException("Expected custom content screen to exist"); 614 } 615 616 // Add the custom content to the full screen custom page 617 CellLayout customScreen = getScreenWithId(CUSTOM_CONTENT_SCREEN_ID); 618 int spanX = customScreen.getCountX(); 619 int spanY = customScreen.getCountY(); 620 CellLayout.LayoutParams lp = new CellLayout.LayoutParams(0, 0, spanX, spanY); 621 lp.canReorder = false; 622 lp.isFullscreen = true; 623 if (customContent instanceof Insettable) { 624 ((Insettable)customContent).setInsets(mInsets); 625 } 626 customScreen.removeAllViews(); 627 customScreen.addViewToCellLayout(customContent, 0, 0, lp, true); 628 mCustomContentDescription = description; 629 630 mCustomContentCallbacks = callbacks; 631 } 632 633 public void addExtraEmptyScreenOnDrag() { 634 // Log to disk 635 Launcher.addDumpLog(TAG, "11683562 - addExtraEmptyScreenOnDrag()", true); 636 637 boolean lastChildOnScreen = false; 638 boolean childOnFinalScreen = false; 639 640 // Cancel any pending removal of empty screen 641 mRemoveEmptyScreenRunnable = null; 642 643 if (mDragSourceInternal != null) { 644 if (mDragSourceInternal.getChildCount() == 1) { 645 lastChildOnScreen = true; 646 } 647 CellLayout cl = (CellLayout) mDragSourceInternal.getParent(); 648 if (indexOfChild(cl) == getChildCount() - 1) { 649 childOnFinalScreen = true; 650 } 651 } 652 653 // If this is the last item on the final screen 654 if (lastChildOnScreen && childOnFinalScreen) { 655 return; 656 } 657 if (!mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)) { 658 insertNewWorkspaceScreen(EXTRA_EMPTY_SCREEN_ID); 659 } 660 } 661 662 public boolean addExtraEmptyScreen() { 663 // Log to disk 664 Launcher.addDumpLog(TAG, "11683562 - addExtraEmptyScreen()", true); 665 666 if (!mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)) { 667 insertNewWorkspaceScreen(EXTRA_EMPTY_SCREEN_ID); 668 return true; 669 } 670 return false; 671 } 672 673 private void convertFinalScreenToEmptyScreenIfNecessary() { 674 // Log to disk 675 Launcher.addDumpLog(TAG, "11683562 - convertFinalScreenToEmptyScreenIfNecessary()", true); 676 677 if (hasExtraEmptyScreen() || mScreenOrder.size() == 0) return; 678 long finalScreenId = mScreenOrder.get(mScreenOrder.size() - 1); 679 680 if (finalScreenId == CUSTOM_CONTENT_SCREEN_ID) return; 681 CellLayout finalScreen = mWorkspaceScreens.get(finalScreenId); 682 683 // If the final screen is empty, convert it to the extra empty screen 684 if (finalScreen.getShortcutsAndWidgets().getChildCount() == 0 && 685 !finalScreen.isDropPending()) { 686 mWorkspaceScreens.remove(finalScreenId); 687 mScreenOrder.remove(finalScreenId); 688 689 // if this is the last non-custom content screen, convert it to the empty screen 690 mWorkspaceScreens.put(EXTRA_EMPTY_SCREEN_ID, finalScreen); 691 mScreenOrder.add(EXTRA_EMPTY_SCREEN_ID); 692 693 // XXX: Do we need to update LM workspace screens here? 694 Launcher.addDumpLog(TAG, "11683562 - extra empty screen: " + finalScreenId, true); 695 } 696 } 697 698 public void removeExtraEmptyScreen(final boolean animate, final Runnable onComplete) { 699 removeExtraEmptyScreen(animate, onComplete, 0, false); 700 } 701 702 public void removeExtraEmptyScreen(final boolean animate, final Runnable onComplete, 703 final int delay, final boolean stripEmptyScreens) { 704 // Log to disk 705 Launcher.addDumpLog(TAG, "11683562 - removeExtraEmptyScreen()", true); 706 if (delay > 0) { 707 postDelayed(new Runnable() { 708 @Override 709 public void run() { 710 removeExtraEmptyScreen(animate, onComplete, 0, stripEmptyScreens); 711 } 712 713 }, delay); 714 return; 715 } 716 717 convertFinalScreenToEmptyScreenIfNecessary(); 718 if (hasExtraEmptyScreen()) { 719 int emptyIndex = mScreenOrder.indexOf(EXTRA_EMPTY_SCREEN_ID); 720 if (getNextPage() == emptyIndex) { 721 snapToPage(getNextPage() - 1, SNAP_OFF_EMPTY_SCREEN_DURATION); 722 fadeAndRemoveEmptyScreen(SNAP_OFF_EMPTY_SCREEN_DURATION, FADE_EMPTY_SCREEN_DURATION, 723 onComplete, stripEmptyScreens); 724 } else { 725 fadeAndRemoveEmptyScreen(0, FADE_EMPTY_SCREEN_DURATION, 726 onComplete, stripEmptyScreens); 727 } 728 return; 729 } else if (stripEmptyScreens) { 730 // If we're not going to strip the empty screens after removing 731 // the extra empty screen, do it right away. 732 stripEmptyScreens(); 733 } 734 735 if (onComplete != null) { 736 onComplete.run(); 737 } 738 } 739 740 private void fadeAndRemoveEmptyScreen(int delay, int duration, final Runnable onComplete, 741 final boolean stripEmptyScreens) { 742 // Log to disk 743 // XXX: Do we need to update LM workspace screens below? 744 Launcher.addDumpLog(TAG, "11683562 - fadeAndRemoveEmptyScreen()", true); 745 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0f); 746 PropertyValuesHolder bgAlpha = PropertyValuesHolder.ofFloat("backgroundAlpha", 0f); 747 748 final CellLayout cl = mWorkspaceScreens.get(EXTRA_EMPTY_SCREEN_ID); 749 750 mRemoveEmptyScreenRunnable = new Runnable() { 751 @Override 752 public void run() { 753 if (hasExtraEmptyScreen()) { 754 mWorkspaceScreens.remove(EXTRA_EMPTY_SCREEN_ID); 755 mScreenOrder.remove(EXTRA_EMPTY_SCREEN_ID); 756 removeView(cl); 757 if (stripEmptyScreens) { 758 stripEmptyScreens(); 759 } 760 } 761 } 762 }; 763 764 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(cl, alpha, bgAlpha); 765 oa.setDuration(duration); 766 oa.setStartDelay(delay); 767 oa.addListener(new AnimatorListenerAdapter() { 768 @Override 769 public void onAnimationEnd(Animator animation) { 770 if (mRemoveEmptyScreenRunnable != null) { 771 mRemoveEmptyScreenRunnable.run(); 772 } 773 if (onComplete != null) { 774 onComplete.run(); 775 } 776 } 777 }); 778 oa.start(); 779 } 780 781 public boolean hasExtraEmptyScreen() { 782 int nScreens = getChildCount(); 783 nScreens = nScreens - numCustomPages(); 784 return mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID) && nScreens > 1; 785 } 786 787 public long commitExtraEmptyScreen() { 788 // Log to disk 789 Launcher.addDumpLog(TAG, "11683562 - commitExtraEmptyScreen()", true); 790 791 int index = getPageIndexForScreenId(EXTRA_EMPTY_SCREEN_ID); 792 CellLayout cl = mWorkspaceScreens.get(EXTRA_EMPTY_SCREEN_ID); 793 mWorkspaceScreens.remove(EXTRA_EMPTY_SCREEN_ID); 794 mScreenOrder.remove(EXTRA_EMPTY_SCREEN_ID); 795 796 long newId = LauncherAppState.getLauncherProvider().generateNewScreenId(); 797 mWorkspaceScreens.put(newId, cl); 798 mScreenOrder.add(newId); 799 800 // Update the page indicator marker 801 if (getPageIndicator() != null) { 802 getPageIndicator().updateMarker(index, getPageIndicatorMarker(index)); 803 } 804 805 // Update the model for the new screen 806 mLauncher.getModel().updateWorkspaceScreenOrder(mLauncher, mScreenOrder); 807 808 return newId; 809 } 810 811 public CellLayout getScreenWithId(long screenId) { 812 CellLayout layout = mWorkspaceScreens.get(screenId); 813 return layout; 814 } 815 816 public long getIdForScreen(CellLayout layout) { 817 Iterator<Long> iter = mWorkspaceScreens.keySet().iterator(); 818 while (iter.hasNext()) { 819 long id = iter.next(); 820 if (mWorkspaceScreens.get(id) == layout) { 821 return id; 822 } 823 } 824 return -1; 825 } 826 827 public int getPageIndexForScreenId(long screenId) { 828 return indexOfChild(mWorkspaceScreens.get(screenId)); 829 } 830 831 public long getScreenIdForPageIndex(int index) { 832 if (0 <= index && index < mScreenOrder.size()) { 833 return mScreenOrder.get(index); 834 } 835 return -1; 836 } 837 838 ArrayList<Long> getScreenOrder() { 839 return mScreenOrder; 840 } 841 842 public void stripEmptyScreens() { 843 // Log to disk 844 Launcher.addDumpLog(TAG, "11683562 - stripEmptyScreens()", true); 845 846 if (isPageMoving()) { 847 mStripScreensOnPageStopMoving = true; 848 return; 849 } 850 851 int currentPage = getNextPage(); 852 ArrayList<Long> removeScreens = new ArrayList<Long>(); 853 for (Long id: mWorkspaceScreens.keySet()) { 854 CellLayout cl = mWorkspaceScreens.get(id); 855 if (id >= 0 && cl.getShortcutsAndWidgets().getChildCount() == 0) { 856 removeScreens.add(id); 857 } 858 } 859 860 // We enforce at least one page to add new items to. In the case that we remove the last 861 // such screen, we convert the last screen to the empty screen 862 int minScreens = 1 + numCustomPages(); 863 864 int pageShift = 0; 865 for (Long id: removeScreens) { 866 Launcher.addDumpLog(TAG, "11683562 - removing id: " + id, true); 867 CellLayout cl = mWorkspaceScreens.get(id); 868 mWorkspaceScreens.remove(id); 869 mScreenOrder.remove(id); 870 871 if (getChildCount() > minScreens) { 872 if (indexOfChild(cl) < currentPage) { 873 pageShift++; 874 } 875 removeView(cl); 876 } else { 877 // if this is the last non-custom content screen, convert it to the empty screen 878 mRemoveEmptyScreenRunnable = null; 879 mWorkspaceScreens.put(EXTRA_EMPTY_SCREEN_ID, cl); 880 mScreenOrder.add(EXTRA_EMPTY_SCREEN_ID); 881 } 882 } 883 884 if (!removeScreens.isEmpty()) { 885 // Update the model if we have changed any screens 886 mLauncher.getModel().updateWorkspaceScreenOrder(mLauncher, mScreenOrder); 887 } 888 889 if (pageShift >= 0) { 890 setCurrentPage(currentPage - pageShift); 891 } 892 } 893 894 // See implementation for parameter definition. 895 void addInScreen(View child, long container, long screenId, 896 int x, int y, int spanX, int spanY) { 897 addInScreen(child, container, screenId, x, y, spanX, spanY, false, false); 898 } 899 900 // At bind time, we use the rank (screenId) to compute x and y for hotseat items. 901 // See implementation for parameter definition. 902 void addInScreenFromBind(View child, long container, long screenId, int x, int y, 903 int spanX, int spanY) { 904 addInScreen(child, container, screenId, x, y, spanX, spanY, false, true); 905 } 906 907 // See implementation for parameter definition. 908 void addInScreen(View child, long container, long screenId, int x, int y, int spanX, int spanY, 909 boolean insert) { 910 addInScreen(child, container, screenId, x, y, spanX, spanY, insert, false); 911 } 912 913 /** 914 * Adds the specified child in the specified screen. The position and dimension of 915 * the child are defined by x, y, spanX and spanY. 916 * 917 * @param child The child to add in one of the workspace's screens. 918 * @param screenId The screen in which to add the child. 919 * @param x The X position of the child in the screen's grid. 920 * @param y The Y position of the child in the screen's grid. 921 * @param spanX The number of cells spanned horizontally by the child. 922 * @param spanY The number of cells spanned vertically by the child. 923 * @param insert When true, the child is inserted at the beginning of the children list. 924 * @param computeXYFromRank When true, we use the rank (stored in screenId) to compute 925 * the x and y position in which to place hotseat items. Otherwise 926 * we use the x and y position to compute the rank. 927 */ 928 void addInScreen(View child, long container, long screenId, int x, int y, int spanX, int spanY, 929 boolean insert, boolean computeXYFromRank) { 930 if (container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 931 if (getScreenWithId(screenId) == null) { 932 Log.e(TAG, "Skipping child, screenId " + screenId + " not found"); 933 // DEBUGGING - Print out the stack trace to see where we are adding from 934 new Throwable().printStackTrace(); 935 return; 936 } 937 } 938 if (screenId == EXTRA_EMPTY_SCREEN_ID) { 939 // This should never happen 940 throw new RuntimeException("Screen id should not be EXTRA_EMPTY_SCREEN_ID"); 941 } 942 943 final CellLayout layout; 944 if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 945 layout = mLauncher.getHotseat().getLayout(); 946 child.setOnKeyListener(null); 947 948 // Hide folder title in the hotseat 949 if (child instanceof FolderIcon) { 950 ((FolderIcon) child).setTextVisible(false); 951 } 952 953 if (computeXYFromRank) { 954 x = mLauncher.getHotseat().getCellXFromOrder((int) screenId); 955 y = mLauncher.getHotseat().getCellYFromOrder((int) screenId); 956 } else { 957 screenId = mLauncher.getHotseat().getOrderInHotseat(x, y); 958 } 959 } else { 960 // Show folder title if not in the hotseat 961 if (child instanceof FolderIcon) { 962 ((FolderIcon) child).setTextVisible(true); 963 } 964 layout = getScreenWithId(screenId); 965 child.setOnKeyListener(new IconKeyEventListener()); 966 } 967 968 ViewGroup.LayoutParams genericLp = child.getLayoutParams(); 969 CellLayout.LayoutParams lp; 970 if (genericLp == null || !(genericLp instanceof CellLayout.LayoutParams)) { 971 lp = new CellLayout.LayoutParams(x, y, spanX, spanY); 972 } else { 973 lp = (CellLayout.LayoutParams) genericLp; 974 lp.cellX = x; 975 lp.cellY = y; 976 lp.cellHSpan = spanX; 977 lp.cellVSpan = spanY; 978 } 979 980 if (spanX < 0 && spanY < 0) { 981 lp.isLockedToGrid = false; 982 } 983 984 // Get the canonical child id to uniquely represent this view in this screen 985 ItemInfo info = (ItemInfo) child.getTag(); 986 int childId = mLauncher.getViewIdForItem(info); 987 988 boolean markCellsAsOccupied = !(child instanceof Folder); 989 if (!layout.addViewToCellLayout(child, insert ? 0 : -1, childId, lp, markCellsAsOccupied)) { 990 // TODO: This branch occurs when the workspace is adding views 991 // outside of the defined grid 992 // maybe we should be deleting these items from the LauncherModel? 993 Launcher.addDumpLog(TAG, "Failed to add to item at (" + lp.cellX + "," + lp.cellY + ") to CellLayout", true); 994 } 995 996 if (!(child instanceof Folder)) { 997 child.setHapticFeedbackEnabled(false); 998 child.setOnLongClickListener(mLongClickListener); 999 } 1000 if (child instanceof DropTarget) { 1001 mDragController.addDropTarget((DropTarget) child); 1002 } 1003 } 1004 1005 /** 1006 * Called directly from a CellLayout (not by the framework), after we've been added as a 1007 * listener via setOnInterceptTouchEventListener(). This allows us to tell the CellLayout 1008 * that it should intercept touch events, which is not something that is normally supported. 1009 */ 1010 @Override 1011 public boolean onTouch(View v, MotionEvent event) { 1012 return (isSmall() || !isFinishedSwitchingState()) 1013 || (!isSmall() && indexOfChild(v) != mCurrentPage); 1014 } 1015 1016 public boolean isSwitchingState() { 1017 return mIsSwitchingState; 1018 } 1019 1020 /** This differs from isSwitchingState in that we take into account how far the transition 1021 * has completed. */ 1022 public boolean isFinishedSwitchingState() { 1023 return !mIsSwitchingState || (mTransitionProgress > 0.5f); 1024 } 1025 1026 protected void onWindowVisibilityChanged (int visibility) { 1027 mLauncher.onWindowVisibilityChanged(visibility); 1028 } 1029 1030 @Override 1031 public boolean dispatchUnhandledMove(View focused, int direction) { 1032 if (isSmall() || !isFinishedSwitchingState()) { 1033 // when the home screens are shrunken, shouldn't allow side-scrolling 1034 return false; 1035 } 1036 return super.dispatchUnhandledMove(focused, direction); 1037 } 1038 1039 @Override 1040 public boolean onInterceptTouchEvent(MotionEvent ev) { 1041 switch (ev.getAction() & MotionEvent.ACTION_MASK) { 1042 case MotionEvent.ACTION_DOWN: 1043 mXDown = ev.getX(); 1044 mYDown = ev.getY(); 1045 mTouchDownTime = System.currentTimeMillis(); 1046 break; 1047 case MotionEvent.ACTION_POINTER_UP: 1048 case MotionEvent.ACTION_UP: 1049 if (mTouchState == TOUCH_STATE_REST) { 1050 final CellLayout currentPage = (CellLayout) getChildAt(mCurrentPage); 1051 if (!currentPage.lastDownOnOccupiedCell()) { 1052 onWallpaperTap(ev); 1053 } 1054 } 1055 } 1056 return super.onInterceptTouchEvent(ev); 1057 } 1058 1059 protected void reinflateWidgetsIfNecessary() { 1060 final int clCount = getChildCount(); 1061 for (int i = 0; i < clCount; i++) { 1062 CellLayout cl = (CellLayout) getChildAt(i); 1063 ShortcutAndWidgetContainer swc = cl.getShortcutsAndWidgets(); 1064 final int itemCount = swc.getChildCount(); 1065 for (int j = 0; j < itemCount; j++) { 1066 View v = swc.getChildAt(j); 1067 1068 if (v.getTag() instanceof LauncherAppWidgetInfo) { 1069 LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) v.getTag(); 1070 LauncherAppWidgetHostView lahv = (LauncherAppWidgetHostView) info.hostView; 1071 if (lahv != null && lahv.orientationChangedSincedInflation()) { 1072 mLauncher.removeAppWidget(info); 1073 // Remove the current widget which is inflated with the wrong orientation 1074 cl.removeView(lahv); 1075 mLauncher.bindAppWidget(info); 1076 } 1077 } 1078 } 1079 } 1080 } 1081 1082 @Override 1083 protected void determineScrollingStart(MotionEvent ev) { 1084 if (!isFinishedSwitchingState()) return; 1085 1086 float deltaX = ev.getX() - mXDown; 1087 float absDeltaX = Math.abs(deltaX); 1088 float absDeltaY = Math.abs(ev.getY() - mYDown); 1089 1090 if (Float.compare(absDeltaX, 0f) == 0) return; 1091 1092 float slope = absDeltaY / absDeltaX; 1093 float theta = (float) Math.atan(slope); 1094 1095 if (absDeltaX > mTouchSlop || absDeltaY > mTouchSlop) { 1096 cancelCurrentPageLongPress(); 1097 } 1098 1099 boolean passRightSwipesToCustomContent = 1100 (mTouchDownTime - mCustomContentShowTime) > CUSTOM_CONTENT_GESTURE_DELAY; 1101 1102 boolean swipeInIgnoreDirection = isLayoutRtl() ? deltaX < 0 : deltaX > 0; 1103 if (swipeInIgnoreDirection && getScreenIdForPageIndex(getCurrentPage()) == 1104 CUSTOM_CONTENT_SCREEN_ID && passRightSwipesToCustomContent) { 1105 // Pass swipes to the right to the custom content page. 1106 return; 1107 } 1108 1109 if (theta > MAX_SWIPE_ANGLE) { 1110 // Above MAX_SWIPE_ANGLE, we don't want to ever start scrolling the workspace 1111 return; 1112 } else if (theta > START_DAMPING_TOUCH_SLOP_ANGLE) { 1113 // Above START_DAMPING_TOUCH_SLOP_ANGLE and below MAX_SWIPE_ANGLE, we want to 1114 // increase the touch slop to make it harder to begin scrolling the workspace. This 1115 // results in vertically scrolling widgets to more easily. The higher the angle, the 1116 // more we increase touch slop. 1117 theta -= START_DAMPING_TOUCH_SLOP_ANGLE; 1118 float extraRatio = (float) 1119 Math.sqrt((theta / (MAX_SWIPE_ANGLE - START_DAMPING_TOUCH_SLOP_ANGLE))); 1120 super.determineScrollingStart(ev, 1 + TOUCH_SLOP_DAMPING_FACTOR * extraRatio); 1121 } else { 1122 // Below START_DAMPING_TOUCH_SLOP_ANGLE, we don't do anything special 1123 super.determineScrollingStart(ev); 1124 } 1125 } 1126 1127 protected void onPageBeginMoving() { 1128 super.onPageBeginMoving(); 1129 1130 if (isHardwareAccelerated()) { 1131 updateChildrenLayersEnabled(false); 1132 } else { 1133 if (mNextPage != INVALID_PAGE) { 1134 // we're snapping to a particular screen 1135 enableChildrenCache(mCurrentPage, mNextPage); 1136 } else { 1137 // this is when user is actively dragging a particular screen, they might 1138 // swipe it either left or right (but we won't advance by more than one screen) 1139 enableChildrenCache(mCurrentPage - 1, mCurrentPage + 1); 1140 } 1141 } 1142 1143 // Only show page outlines as we pan if we are on large screen 1144 if (LauncherAppState.getInstance().isScreenLarge()) { 1145 showOutlines(); 1146 } 1147 1148 // If we are not fading in adjacent screens, we still need to restore the alpha in case the 1149 // user scrolls while we are transitioning (should not affect dispatchDraw optimizations) 1150 if (!mWorkspaceFadeInAdjacentScreens) { 1151 for (int i = 0; i < getChildCount(); ++i) { 1152 ((CellLayout) getPageAt(i)).setShortcutAndWidgetAlpha(1f); 1153 } 1154 } 1155 } 1156 1157 protected void onPageEndMoving() { 1158 super.onPageEndMoving(); 1159 1160 if (isHardwareAccelerated()) { 1161 updateChildrenLayersEnabled(false); 1162 } else { 1163 clearChildrenCache(); 1164 } 1165 1166 if (mDragController.isDragging()) { 1167 if (isSmall()) { 1168 // If we are in springloaded mode, then force an event to check if the current touch 1169 // is under a new page (to scroll to) 1170 mDragController.forceTouchMove(); 1171 } 1172 } else { 1173 // If we are not mid-dragging, hide the page outlines if we are on a large screen 1174 if (LauncherAppState.getInstance().isScreenLarge()) { 1175 hideOutlines(); 1176 } 1177 } 1178 1179 if (mDelayedResizeRunnable != null) { 1180 mDelayedResizeRunnable.run(); 1181 mDelayedResizeRunnable = null; 1182 } 1183 1184 if (mDelayedSnapToPageRunnable != null) { 1185 mDelayedSnapToPageRunnable.run(); 1186 mDelayedSnapToPageRunnable = null; 1187 } 1188 if (mStripScreensOnPageStopMoving) { 1189 stripEmptyScreens(); 1190 mStripScreensOnPageStopMoving = false; 1191 } 1192 } 1193 1194 @Override 1195 protected void notifyPageSwitchListener() { 1196 super.notifyPageSwitchListener(); 1197 Launcher.setScreen(mCurrentPage); 1198 1199 if (hasCustomContent() && getNextPage() == 0 && !mCustomContentShowing) { 1200 mCustomContentShowing = true; 1201 if (mCustomContentCallbacks != null) { 1202 mCustomContentCallbacks.onShow(); 1203 mCustomContentShowTime = System.currentTimeMillis(); 1204 mLauncher.updateVoiceButtonProxyVisible(false); 1205 } 1206 } else if (hasCustomContent() && getNextPage() != 0 && mCustomContentShowing) { 1207 mCustomContentShowing = false; 1208 if (mCustomContentCallbacks != null) { 1209 mCustomContentCallbacks.onHide(); 1210 mLauncher.resetQSBScroll(); 1211 mLauncher.updateVoiceButtonProxyVisible(false); 1212 } 1213 } 1214 if (getPageIndicator() != null) { 1215 getPageIndicator().setContentDescription(getPageIndicatorDescription()); 1216 } 1217 } 1218 1219 protected CustomContentCallbacks getCustomContentCallbacks() { 1220 return mCustomContentCallbacks; 1221 } 1222 1223 protected void setWallpaperDimension() { 1224 String spKey = WallpaperCropActivity.getSharedPreferencesKey(); 1225 SharedPreferences sp = mLauncher.getSharedPreferences(spKey, Context.MODE_MULTI_PROCESS); 1226 WallpaperPickerActivity.suggestWallpaperDimension(mLauncher.getResources(), 1227 sp, mLauncher.getWindowManager(), mWallpaperManager); 1228 } 1229 1230 protected void snapToPage(int whichPage, Runnable r) { 1231 snapToPage(whichPage, SLOW_PAGE_SNAP_ANIMATION_DURATION, r); 1232 } 1233 1234 protected void snapToPage(int whichPage, int duration, Runnable r) { 1235 if (mDelayedSnapToPageRunnable != null) { 1236 mDelayedSnapToPageRunnable.run(); 1237 } 1238 mDelayedSnapToPageRunnable = r; 1239 snapToPage(whichPage, duration); 1240 } 1241 1242 protected void snapToScreenId(long screenId, Runnable r) { 1243 snapToPage(getPageIndexForScreenId(screenId), r); 1244 } 1245 1246 class WallpaperOffsetInterpolator implements Choreographer.FrameCallback { 1247 float mFinalOffset = 0.0f; 1248 float mCurrentOffset = 0.5f; // to force an initial update 1249 boolean mWaitingForUpdate; 1250 Choreographer mChoreographer; 1251 Interpolator mInterpolator; 1252 boolean mAnimating; 1253 long mAnimationStartTime; 1254 float mAnimationStartOffset; 1255 private final int ANIMATION_DURATION = 250; 1256 // Don't use all the wallpaper for parallax until you have at least this many pages 1257 private final int MIN_PARALLAX_PAGE_SPAN = 3; 1258 int mNumScreens; 1259 1260 public WallpaperOffsetInterpolator() { 1261 mChoreographer = Choreographer.getInstance(); 1262 mInterpolator = new DecelerateInterpolator(1.5f); 1263 } 1264 1265 @Override 1266 public void doFrame(long frameTimeNanos) { 1267 updateOffset(false); 1268 } 1269 1270 private void updateOffset(boolean force) { 1271 if (mWaitingForUpdate || force) { 1272 mWaitingForUpdate = false; 1273 if (computeScrollOffset() && mWindowToken != null) { 1274 try { 1275 mWallpaperManager.setWallpaperOffsets(mWindowToken, 1276 mWallpaperOffset.getCurrX(), 0.5f); 1277 setWallpaperOffsetSteps(); 1278 } catch (IllegalArgumentException e) { 1279 Log.e(TAG, "Error updating wallpaper offset: " + e); 1280 } 1281 } 1282 } 1283 } 1284 1285 public boolean computeScrollOffset() { 1286 final float oldOffset = mCurrentOffset; 1287 if (mAnimating) { 1288 long durationSinceAnimation = System.currentTimeMillis() - mAnimationStartTime; 1289 float t0 = durationSinceAnimation / (float) ANIMATION_DURATION; 1290 float t1 = mInterpolator.getInterpolation(t0); 1291 mCurrentOffset = mAnimationStartOffset + 1292 (mFinalOffset - mAnimationStartOffset) * t1; 1293 mAnimating = durationSinceAnimation < ANIMATION_DURATION; 1294 } else { 1295 mCurrentOffset = mFinalOffset; 1296 } 1297 1298 if (Math.abs(mCurrentOffset - mFinalOffset) > 0.0000001f) { 1299 scheduleUpdate(); 1300 } 1301 if (Math.abs(oldOffset - mCurrentOffset) > 0.0000001f) { 1302 return true; 1303 } 1304 return false; 1305 } 1306 1307 private float wallpaperOffsetForCurrentScroll() { 1308 if (getChildCount() <= 1) { 1309 return 0; 1310 } 1311 1312 // Exclude the leftmost page 1313 int emptyExtraPages = numEmptyScreensToIgnore(); 1314 int firstIndex = numCustomPages(); 1315 // Exclude the last extra empty screen (if we have > MIN_PARALLAX_PAGE_SPAN pages) 1316 int lastIndex = getChildCount() - 1 - emptyExtraPages; 1317 if (isLayoutRtl()) { 1318 int temp = firstIndex; 1319 firstIndex = lastIndex; 1320 lastIndex = temp; 1321 } 1322 1323 int firstPageScrollX = getScrollForPage(firstIndex); 1324 int scrollRange = getScrollForPage(lastIndex) - firstPageScrollX; 1325 if (scrollRange == 0) { 1326 return 0; 1327 } else { 1328 // TODO: do different behavior if it's a live wallpaper? 1329 // Sometimes the left parameter of the pages is animated during a layout transition; 1330 // this parameter offsets it to keep the wallpaper from animating as well 1331 int adjustedScroll = 1332 getScrollX() - firstPageScrollX - getLayoutTransitionOffsetForPage(0); 1333 float offset = Math.min(1, adjustedScroll / (float) scrollRange); 1334 offset = Math.max(0, offset); 1335 // Don't use up all the wallpaper parallax until you have at least 1336 // MIN_PARALLAX_PAGE_SPAN pages 1337 int numScrollingPages = getNumScreensExcludingEmptyAndCustom(); 1338 int parallaxPageSpan = Math.max(MIN_PARALLAX_PAGE_SPAN, numScrollingPages - 1); 1339 // On RTL devices, push the wallpaper offset to the right if we don't have enough 1340 // pages (ie if numScrollingPages < MIN_PARALLAX_PAGE_SPAN) 1341 int padding = isLayoutRtl() ? parallaxPageSpan - numScrollingPages + 1 : 0; 1342 return offset * (padding + numScrollingPages - 1) / parallaxPageSpan; 1343 } 1344 } 1345 1346 private int numEmptyScreensToIgnore() { 1347 int numScrollingPages = getChildCount() - numCustomPages(); 1348 if (numScrollingPages >= MIN_PARALLAX_PAGE_SPAN && hasExtraEmptyScreen()) { 1349 return 1; 1350 } else { 1351 return 0; 1352 } 1353 } 1354 1355 private int getNumScreensExcludingEmptyAndCustom() { 1356 int numScrollingPages = getChildCount() - numEmptyScreensToIgnore() - numCustomPages(); 1357 return numScrollingPages; 1358 } 1359 1360 public void syncWithScroll() { 1361 float offset = wallpaperOffsetForCurrentScroll(); 1362 mWallpaperOffset.setFinalX(offset); 1363 updateOffset(true); 1364 } 1365 1366 public float getCurrX() { 1367 return mCurrentOffset; 1368 } 1369 1370 public float getFinalX() { 1371 return mFinalOffset; 1372 } 1373 1374 private void animateToFinal() { 1375 mAnimating = true; 1376 mAnimationStartOffset = mCurrentOffset; 1377 mAnimationStartTime = System.currentTimeMillis(); 1378 } 1379 1380 private void setWallpaperOffsetSteps() { 1381 // Set wallpaper offset steps (1 / (number of screens - 1)) 1382 mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 1.0f); 1383 } 1384 1385 public void setFinalX(float x) { 1386 scheduleUpdate(); 1387 mFinalOffset = Math.max(0f, Math.min(x, 1.0f)); 1388 if (getNumScreensExcludingEmptyAndCustom() != mNumScreens) { 1389 if (mNumScreens > 0) { 1390 // Don't animate if we're going from 0 screens 1391 animateToFinal(); 1392 } 1393 mNumScreens = getNumScreensExcludingEmptyAndCustom(); 1394 } 1395 } 1396 1397 private void scheduleUpdate() { 1398 if (!mWaitingForUpdate) { 1399 mChoreographer.postFrameCallback(this); 1400 mWaitingForUpdate = true; 1401 } 1402 } 1403 1404 public void jumpToFinal() { 1405 mCurrentOffset = mFinalOffset; 1406 } 1407 } 1408 1409 @Override 1410 public void computeScroll() { 1411 super.computeScroll(); 1412 mWallpaperOffset.syncWithScroll(); 1413 } 1414 1415 void showOutlines() { 1416 if (!isSmall() && !mIsSwitchingState) { 1417 if (mChildrenOutlineFadeOutAnimation != null) mChildrenOutlineFadeOutAnimation.cancel(); 1418 if (mChildrenOutlineFadeInAnimation != null) mChildrenOutlineFadeInAnimation.cancel(); 1419 mChildrenOutlineFadeInAnimation = LauncherAnimUtils.ofFloat(this, "childrenOutlineAlpha", 1.0f); 1420 mChildrenOutlineFadeInAnimation.setDuration(CHILDREN_OUTLINE_FADE_IN_DURATION); 1421 mChildrenOutlineFadeInAnimation.start(); 1422 } 1423 } 1424 1425 void hideOutlines() { 1426 if (!isSmall() && !mIsSwitchingState) { 1427 if (mChildrenOutlineFadeInAnimation != null) mChildrenOutlineFadeInAnimation.cancel(); 1428 if (mChildrenOutlineFadeOutAnimation != null) mChildrenOutlineFadeOutAnimation.cancel(); 1429 mChildrenOutlineFadeOutAnimation = LauncherAnimUtils.ofFloat(this, "childrenOutlineAlpha", 0.0f); 1430 mChildrenOutlineFadeOutAnimation.setDuration(CHILDREN_OUTLINE_FADE_OUT_DURATION); 1431 mChildrenOutlineFadeOutAnimation.setStartDelay(CHILDREN_OUTLINE_FADE_OUT_DELAY); 1432 mChildrenOutlineFadeOutAnimation.start(); 1433 } 1434 } 1435 1436 public void showOutlinesTemporarily() { 1437 if (!mIsPageMoving && !isTouchActive()) { 1438 snapToPage(mCurrentPage); 1439 } 1440 } 1441 1442 public void setChildrenOutlineAlpha(float alpha) { 1443 mChildrenOutlineAlpha = alpha; 1444 for (int i = 0; i < getChildCount(); i++) { 1445 CellLayout cl = (CellLayout) getChildAt(i); 1446 cl.setBackgroundAlpha(alpha); 1447 } 1448 } 1449 1450 public float getChildrenOutlineAlpha() { 1451 return mChildrenOutlineAlpha; 1452 } 1453 1454 void disableBackground() { 1455 mDrawBackground = false; 1456 } 1457 void enableBackground() { 1458 mDrawBackground = true; 1459 } 1460 1461 private void animateBackgroundGradient(float finalAlpha, boolean animated) { 1462 if (mBackground == null) return; 1463 if (mBackgroundFadeInAnimation != null) { 1464 mBackgroundFadeInAnimation.cancel(); 1465 mBackgroundFadeInAnimation = null; 1466 } 1467 if (mBackgroundFadeOutAnimation != null) { 1468 mBackgroundFadeOutAnimation.cancel(); 1469 mBackgroundFadeOutAnimation = null; 1470 } 1471 float startAlpha = getBackgroundAlpha(); 1472 if (finalAlpha != startAlpha) { 1473 if (animated) { 1474 mBackgroundFadeOutAnimation = 1475 LauncherAnimUtils.ofFloat(this, startAlpha, finalAlpha); 1476 mBackgroundFadeOutAnimation.addUpdateListener(new AnimatorUpdateListener() { 1477 public void onAnimationUpdate(ValueAnimator animation) { 1478 setBackgroundAlpha(((Float) animation.getAnimatedValue()).floatValue()); 1479 } 1480 }); 1481 mBackgroundFadeOutAnimation.setInterpolator(new DecelerateInterpolator(1.5f)); 1482 mBackgroundFadeOutAnimation.setDuration(BACKGROUND_FADE_OUT_DURATION); 1483 mBackgroundFadeOutAnimation.start(); 1484 } else { 1485 setBackgroundAlpha(finalAlpha); 1486 } 1487 } 1488 } 1489 1490 public void setBackgroundAlpha(float alpha) { 1491 if (alpha != mBackgroundAlpha) { 1492 mBackgroundAlpha = alpha; 1493 invalidate(); 1494 } 1495 } 1496 1497 public float getBackgroundAlpha() { 1498 return mBackgroundAlpha; 1499 } 1500 1501 float backgroundAlphaInterpolator(float r) { 1502 float pivotA = 0.1f; 1503 float pivotB = 0.4f; 1504 if (r < pivotA) { 1505 return 0; 1506 } else if (r > pivotB) { 1507 return 1.0f; 1508 } else { 1509 return (r - pivotA)/(pivotB - pivotA); 1510 } 1511 } 1512 1513 private void updatePageAlphaValues(int screenCenter) { 1514 boolean isInOverscroll = mOverScrollX < 0 || mOverScrollX > mMaxScrollX; 1515 if (mWorkspaceFadeInAdjacentScreens && 1516 mState == State.NORMAL && 1517 !mIsSwitchingState && 1518 !isInOverscroll) { 1519 for (int i = numCustomPages(); i < getChildCount(); i++) { 1520 CellLayout child = (CellLayout) getChildAt(i); 1521 if (child != null) { 1522 float scrollProgress = getScrollProgress(screenCenter, child, i); 1523 float alpha = 1 - Math.abs(scrollProgress); 1524 child.getShortcutsAndWidgets().setAlpha(alpha); 1525 } 1526 } 1527 } 1528 } 1529 1530 private void setChildrenBackgroundAlphaMultipliers(float a) { 1531 for (int i = 0; i < getChildCount(); i++) { 1532 CellLayout child = (CellLayout) getChildAt(i); 1533 child.setBackgroundAlphaMultiplier(a); 1534 } 1535 } 1536 1537 public boolean hasCustomContent() { 1538 return (mScreenOrder.size() > 0 && mScreenOrder.get(0) == CUSTOM_CONTENT_SCREEN_ID); 1539 } 1540 1541 public int numCustomPages() { 1542 return hasCustomContent() ? 1 : 0; 1543 } 1544 1545 public boolean isOnOrMovingToCustomContent() { 1546 return hasCustomContent() && getNextPage() == 0; 1547 } 1548 1549 private void updateStateForCustomContent(int screenCenter) { 1550 float translationX = 0; 1551 float progress = 0; 1552 if (hasCustomContent()) { 1553 int index = mScreenOrder.indexOf(CUSTOM_CONTENT_SCREEN_ID); 1554 1555 int scrollDelta = getScrollX() - getScrollForPage(index) - 1556 getLayoutTransitionOffsetForPage(index); 1557 float scrollRange = getScrollForPage(index + 1) - getScrollForPage(index); 1558 translationX = scrollRange - scrollDelta; 1559 progress = (scrollRange - scrollDelta) / scrollRange; 1560 1561 if (isLayoutRtl()) { 1562 translationX = Math.min(0, translationX); 1563 } else { 1564 translationX = Math.max(0, translationX); 1565 } 1566 progress = Math.max(0, progress); 1567 } 1568 1569 if (Float.compare(progress, mLastCustomContentScrollProgress) == 0) return; 1570 1571 CellLayout cc = mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID); 1572 if (progress > 0 && cc.getVisibility() != VISIBLE && !isSmall()) { 1573 cc.setVisibility(VISIBLE); 1574 } 1575 1576 mLastCustomContentScrollProgress = progress; 1577 1578 setBackgroundAlpha(progress * 0.8f); 1579 1580 if (mLauncher.getHotseat() != null) { 1581 mLauncher.getHotseat().setTranslationX(translationX); 1582 } 1583 1584 if (getPageIndicator() != null) { 1585 getPageIndicator().setTranslationX(translationX); 1586 } 1587 1588 if (mCustomContentCallbacks != null) { 1589 mCustomContentCallbacks.onScrollProgressChanged(progress); 1590 } 1591 } 1592 1593 @Override 1594 protected OnClickListener getPageIndicatorClickListener() { 1595 AccessibilityManager am = (AccessibilityManager) 1596 getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 1597 if (!am.isTouchExplorationEnabled()) { 1598 return null; 1599 } 1600 OnClickListener listener = new OnClickListener() { 1601 @Override 1602 public void onClick(View arg0) { 1603 enterOverviewMode(); 1604 } 1605 }; 1606 return listener; 1607 } 1608 1609 @Override 1610 protected void screenScrolled(int screenCenter) { 1611 final boolean isRtl = isLayoutRtl(); 1612 super.screenScrolled(screenCenter); 1613 1614 updatePageAlphaValues(screenCenter); 1615 updateStateForCustomContent(screenCenter); 1616 enableHwLayersOnVisiblePages(); 1617 1618 boolean shouldOverScroll = (mOverScrollX < 0 && (!hasCustomContent() || isLayoutRtl())) || 1619 (mOverScrollX > mMaxScrollX && (!hasCustomContent() || !isLayoutRtl())); 1620 1621 if (shouldOverScroll) { 1622 int index = 0; 1623 float pivotX = 0f; 1624 final float leftBiasedPivot = 0.25f; 1625 final float rightBiasedPivot = 0.75f; 1626 final int lowerIndex = 0; 1627 final int upperIndex = getChildCount() - 1; 1628 1629 final boolean isLeftPage = mOverScrollX < 0; 1630 index = (!isRtl && isLeftPage) || (isRtl && !isLeftPage) ? lowerIndex : upperIndex; 1631 pivotX = isLeftPage ? rightBiasedPivot : leftBiasedPivot; 1632 1633 CellLayout cl = (CellLayout) getChildAt(index); 1634 float scrollProgress = getScrollProgress(screenCenter, cl, index); 1635 cl.setOverScrollAmount(Math.abs(scrollProgress), isLeftPage); 1636 float rotation = -WORKSPACE_OVERSCROLL_ROTATION * scrollProgress; 1637 cl.setRotationY(rotation); 1638 1639 if (!mOverscrollTransformsSet || Float.compare(mLastOverscrollPivotX, pivotX) != 0) { 1640 mOverscrollTransformsSet = true; 1641 mLastOverscrollPivotX = pivotX; 1642 cl.setCameraDistance(mDensity * mCameraDistance); 1643 cl.setPivotX(cl.getMeasuredWidth() * pivotX); 1644 cl.setPivotY(cl.getMeasuredHeight() * 0.5f); 1645 cl.setOverscrollTransformsDirty(true); 1646 } 1647 } else { 1648 if (mOverscrollTransformsSet) { 1649 mOverscrollTransformsSet = false; 1650 ((CellLayout) getChildAt(0)).resetOverscrollTransforms(); 1651 ((CellLayout) getChildAt(getChildCount() - 1)).resetOverscrollTransforms(); 1652 } 1653 } 1654 } 1655 1656 @Override 1657 protected void overScroll(float amount) { 1658 acceleratedOverScroll(amount); 1659 } 1660 1661 protected void onAttachedToWindow() { 1662 super.onAttachedToWindow(); 1663 mWindowToken = getWindowToken(); 1664 computeScroll(); 1665 mDragController.setWindowToken(mWindowToken); 1666 } 1667 1668 protected void onDetachedFromWindow() { 1669 super.onDetachedFromWindow(); 1670 mWindowToken = null; 1671 } 1672 1673 protected void onResume() { 1674 if (getPageIndicator() != null) { 1675 // In case accessibility state has changed, we need to perform this on every 1676 // attach to window 1677 OnClickListener listener = getPageIndicatorClickListener(); 1678 if (listener != null) { 1679 getPageIndicator().setOnClickListener(listener); 1680 } 1681 } 1682 AccessibilityManager am = (AccessibilityManager) 1683 getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 1684 sAccessibilityEnabled = am.isEnabled(); 1685 } 1686 1687 @Override 1688 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 1689 if (mFirstLayout && mCurrentPage >= 0 && mCurrentPage < getChildCount()) { 1690 mWallpaperOffset.syncWithScroll(); 1691 mWallpaperOffset.jumpToFinal(); 1692 } 1693 super.onLayout(changed, left, top, right, bottom); 1694 } 1695 1696 @Override 1697 protected void onDraw(Canvas canvas) { 1698 // Draw the background gradient if necessary 1699 if (mBackground != null && mBackgroundAlpha > 0.0f && mDrawBackground) { 1700 int alpha = (int) (mBackgroundAlpha * 255); 1701 mBackground.setAlpha(alpha); 1702 mBackground.setBounds(getScrollX(), 0, getScrollX() + getMeasuredWidth(), 1703 getMeasuredHeight()); 1704 mBackground.draw(canvas); 1705 } 1706 1707 super.onDraw(canvas); 1708 1709 // Call back to LauncherModel to finish binding after the first draw 1710 post(mBindPages); 1711 } 1712 1713 boolean isDrawingBackgroundGradient() { 1714 return (mBackground != null && mBackgroundAlpha > 0.0f && mDrawBackground); 1715 } 1716 1717 @Override 1718 protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { 1719 if (!mLauncher.isAllAppsVisible()) { 1720 final Folder openFolder = getOpenFolder(); 1721 if (openFolder != null) { 1722 return openFolder.requestFocus(direction, previouslyFocusedRect); 1723 } else { 1724 return super.onRequestFocusInDescendants(direction, previouslyFocusedRect); 1725 } 1726 } 1727 return false; 1728 } 1729 1730 @Override 1731 public int getDescendantFocusability() { 1732 if (isSmall()) { 1733 return ViewGroup.FOCUS_BLOCK_DESCENDANTS; 1734 } 1735 return super.getDescendantFocusability(); 1736 } 1737 1738 @Override 1739 public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 1740 if (!mLauncher.isAllAppsVisible()) { 1741 final Folder openFolder = getOpenFolder(); 1742 if (openFolder != null) { 1743 openFolder.addFocusables(views, direction); 1744 } else { 1745 super.addFocusables(views, direction, focusableMode); 1746 } 1747 } 1748 } 1749 1750 public boolean isSmall() { 1751 return mState == State.SMALL || mState == State.SPRING_LOADED || mState == State.OVERVIEW; 1752 } 1753 1754 void enableChildrenCache(int fromPage, int toPage) { 1755 if (fromPage > toPage) { 1756 final int temp = fromPage; 1757 fromPage = toPage; 1758 toPage = temp; 1759 } 1760 1761 final int screenCount = getChildCount(); 1762 1763 fromPage = Math.max(fromPage, 0); 1764 toPage = Math.min(toPage, screenCount - 1); 1765 1766 for (int i = fromPage; i <= toPage; i++) { 1767 final CellLayout layout = (CellLayout) getChildAt(i); 1768 layout.setChildrenDrawnWithCacheEnabled(true); 1769 layout.setChildrenDrawingCacheEnabled(true); 1770 } 1771 } 1772 1773 void clearChildrenCache() { 1774 final int screenCount = getChildCount(); 1775 for (int i = 0; i < screenCount; i++) { 1776 final CellLayout layout = (CellLayout) getChildAt(i); 1777 layout.setChildrenDrawnWithCacheEnabled(false); 1778 // In software mode, we don't want the items to continue to be drawn into bitmaps 1779 if (!isHardwareAccelerated()) { 1780 layout.setChildrenDrawingCacheEnabled(false); 1781 } 1782 } 1783 } 1784 1785 private void updateChildrenLayersEnabled(boolean force) { 1786 boolean small = mState == State.SMALL || mState == State.OVERVIEW || mIsSwitchingState; 1787 boolean enableChildrenLayers = force || small || mAnimatingViewIntoPlace || isPageMoving(); 1788 1789 if (enableChildrenLayers != mChildrenLayersEnabled) { 1790 mChildrenLayersEnabled = enableChildrenLayers; 1791 if (mChildrenLayersEnabled) { 1792 enableHwLayersOnVisiblePages(); 1793 } else { 1794 for (int i = 0; i < getPageCount(); i++) { 1795 final CellLayout cl = (CellLayout) getChildAt(i); 1796 cl.enableHardwareLayer(false); 1797 } 1798 } 1799 } 1800 } 1801 1802 private void enableHwLayersOnVisiblePages() { 1803 if (mChildrenLayersEnabled) { 1804 final int screenCount = getChildCount(); 1805 getVisiblePages(mTempVisiblePagesRange); 1806 int leftScreen = mTempVisiblePagesRange[0]; 1807 int rightScreen = mTempVisiblePagesRange[1]; 1808 if (leftScreen == rightScreen) { 1809 // make sure we're caching at least two pages always 1810 if (rightScreen < screenCount - 1) { 1811 rightScreen++; 1812 } else if (leftScreen > 0) { 1813 leftScreen--; 1814 } 1815 } 1816 1817 final CellLayout customScreen = mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID); 1818 for (int i = 0; i < screenCount; i++) { 1819 final CellLayout layout = (CellLayout) getPageAt(i); 1820 1821 // enable layers between left and right screen inclusive, except for the 1822 // customScreen, which may animate its content during transitions. 1823 boolean enableLayer = layout != customScreen && 1824 leftScreen <= i && i <= rightScreen && shouldDrawChild(layout); 1825 layout.enableHardwareLayer(enableLayer); 1826 } 1827 } 1828 } 1829 1830 public void buildPageHardwareLayers() { 1831 // force layers to be enabled just for the call to buildLayer 1832 updateChildrenLayersEnabled(true); 1833 if (getWindowToken() != null) { 1834 final int childCount = getChildCount(); 1835 for (int i = 0; i < childCount; i++) { 1836 CellLayout cl = (CellLayout) getChildAt(i); 1837 cl.buildHardwareLayer(); 1838 } 1839 } 1840 updateChildrenLayersEnabled(false); 1841 } 1842 1843 protected void onWallpaperTap(MotionEvent ev) { 1844 final int[] position = mTempCell; 1845 getLocationOnScreen(position); 1846 1847 int pointerIndex = ev.getActionIndex(); 1848 position[0] += (int) ev.getX(pointerIndex); 1849 position[1] += (int) ev.getY(pointerIndex); 1850 1851 mWallpaperManager.sendWallpaperCommand(getWindowToken(), 1852 ev.getAction() == MotionEvent.ACTION_UP 1853 ? WallpaperManager.COMMAND_TAP : WallpaperManager.COMMAND_SECONDARY_TAP, 1854 position[0], position[1], 0, null); 1855 } 1856 1857 /* 1858 * This interpolator emulates the rate at which the perceived scale of an object changes 1859 * as its distance from a camera increases. When this interpolator is applied to a scale 1860 * animation on a view, it evokes the sense that the object is shrinking due to moving away 1861 * from the camera. 1862 */ 1863 static class ZInterpolator implements TimeInterpolator { 1864 private float focalLength; 1865 1866 public ZInterpolator(float foc) { 1867 focalLength = foc; 1868 } 1869 1870 public float getInterpolation(float input) { 1871 return (1.0f - focalLength / (focalLength + input)) / 1872 (1.0f - focalLength / (focalLength + 1.0f)); 1873 } 1874 } 1875 1876 /* 1877 * The exact reverse of ZInterpolator. 1878 */ 1879 static class InverseZInterpolator implements TimeInterpolator { 1880 private ZInterpolator zInterpolator; 1881 public InverseZInterpolator(float foc) { 1882 zInterpolator = new ZInterpolator(foc); 1883 } 1884 public float getInterpolation(float input) { 1885 return 1 - zInterpolator.getInterpolation(1 - input); 1886 } 1887 } 1888 1889 /* 1890 * ZInterpolator compounded with an ease-out. 1891 */ 1892 static class ZoomOutInterpolator implements TimeInterpolator { 1893 private final DecelerateInterpolator decelerate = new DecelerateInterpolator(0.75f); 1894 private final ZInterpolator zInterpolator = new ZInterpolator(0.13f); 1895 1896 public float getInterpolation(float input) { 1897 return decelerate.getInterpolation(zInterpolator.getInterpolation(input)); 1898 } 1899 } 1900 1901 /* 1902 * InvereZInterpolator compounded with an ease-out. 1903 */ 1904 static class ZoomInInterpolator implements TimeInterpolator { 1905 private final InverseZInterpolator inverseZInterpolator = new InverseZInterpolator(0.35f); 1906 private final DecelerateInterpolator decelerate = new DecelerateInterpolator(3.0f); 1907 1908 public float getInterpolation(float input) { 1909 return decelerate.getInterpolation(inverseZInterpolator.getInterpolation(input)); 1910 } 1911 } 1912 1913 private final ZoomInInterpolator mZoomInInterpolator = new ZoomInInterpolator(); 1914 1915 /* 1916 * 1917 * We call these methods (onDragStartedWithItemSpans/onDragStartedWithSize) whenever we 1918 * start a drag in Launcher, regardless of whether the drag has ever entered the Workspace 1919 * 1920 * These methods mark the appropriate pages as accepting drops (which alters their visual 1921 * appearance). 1922 * 1923 */ 1924 public void onDragStartedWithItem(View v) { 1925 final Canvas canvas = new Canvas(); 1926 1927 // The outline is used to visualize where the item will land if dropped 1928 mDragOutline = createDragOutline(v, canvas, DRAG_BITMAP_PADDING); 1929 } 1930 1931 public void onDragStartedWithItem(PendingAddItemInfo info, Bitmap b, boolean clipAlpha) { 1932 final Canvas canvas = new Canvas(); 1933 1934 int[] size = estimateItemSize(info.spanX, info.spanY, info, false); 1935 1936 // The outline is used to visualize where the item will land if dropped 1937 mDragOutline = createDragOutline(b, canvas, DRAG_BITMAP_PADDING, size[0], 1938 size[1], clipAlpha); 1939 } 1940 1941 public void exitWidgetResizeMode() { 1942 DragLayer dragLayer = mLauncher.getDragLayer(); 1943 dragLayer.clearAllResizeFrames(); 1944 } 1945 1946 private void initAnimationArrays() { 1947 final int childCount = getChildCount(); 1948 if (mLastChildCount == childCount) return; 1949 1950 mOldBackgroundAlphas = new float[childCount]; 1951 mOldAlphas = new float[childCount]; 1952 mNewBackgroundAlphas = new float[childCount]; 1953 mNewAlphas = new float[childCount]; 1954 } 1955 1956 Animator getChangeStateAnimation(final State state, boolean animated) { 1957 return getChangeStateAnimation(state, animated, 0, -1); 1958 } 1959 1960 @Override 1961 protected void getOverviewModePages(int[] range) { 1962 int start = numCustomPages(); 1963 int end = getChildCount() - 1; 1964 1965 range[0] = Math.max(0, Math.min(start, getChildCount() - 1)); 1966 range[1] = Math.max(0, end); 1967 } 1968 1969 protected void onStartReordering() { 1970 super.onStartReordering(); 1971 showOutlines(); 1972 // Reordering handles its own animations, disable the automatic ones. 1973 disableLayoutTransitions(); 1974 } 1975 1976 protected void onEndReordering() { 1977 super.onEndReordering(); 1978 1979 hideOutlines(); 1980 mScreenOrder.clear(); 1981 int count = getChildCount(); 1982 for (int i = 0; i < count; i++) { 1983 CellLayout cl = ((CellLayout) getChildAt(i)); 1984 mScreenOrder.add(getIdForScreen(cl)); 1985 } 1986 1987 mLauncher.getModel().updateWorkspaceScreenOrder(mLauncher, mScreenOrder); 1988 1989 // Re-enable auto layout transitions for page deletion. 1990 enableLayoutTransitions(); 1991 } 1992 1993 public boolean isInOverviewMode() { 1994 return mState == State.OVERVIEW; 1995 } 1996 1997 public boolean enterOverviewMode() { 1998 if (mTouchState != TOUCH_STATE_REST) { 1999 return false; 2000 } 2001 enableOverviewMode(true, -1, true); 2002 return true; 2003 } 2004 2005 public void exitOverviewMode(boolean animated) { 2006 exitOverviewMode(-1, animated); 2007 } 2008 2009 public void exitOverviewMode(int snapPage, boolean animated) { 2010 enableOverviewMode(false, snapPage, animated); 2011 } 2012 2013 private void enableOverviewMode(boolean enable, int snapPage, boolean animated) { 2014 State finalState = Workspace.State.OVERVIEW; 2015 if (!enable) { 2016 finalState = Workspace.State.NORMAL; 2017 } 2018 2019 Animator workspaceAnim = getChangeStateAnimation(finalState, animated, 0, snapPage); 2020 if (workspaceAnim != null) { 2021 onTransitionPrepare(); 2022 workspaceAnim.addListener(new AnimatorListenerAdapter() { 2023 @Override 2024 public void onAnimationEnd(Animator arg0) { 2025 onTransitionEnd(); 2026 } 2027 }); 2028 workspaceAnim.start(); 2029 } 2030 } 2031 2032 int getOverviewModeTranslationY() { 2033 LauncherAppState app = LauncherAppState.getInstance(); 2034 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 2035 Rect overviewBar = grid.getOverviewModeButtonBarRect(); 2036 2037 int availableHeight = getViewportHeight(); 2038 int scaledHeight = (int) (mOverviewModeShrinkFactor * getNormalChildHeight()); 2039 int offsetFromTopEdge = (availableHeight - scaledHeight) / 2; 2040 int offsetToCenterInOverview = (availableHeight - mInsets.top - overviewBar.height() 2041 - scaledHeight) / 2; 2042 2043 return -offsetFromTopEdge + mInsets.top + offsetToCenterInOverview; 2044 } 2045 2046 boolean shouldVoiceButtonProxyBeVisible() { 2047 if (isOnOrMovingToCustomContent()) { 2048 return false; 2049 } 2050 if (mState != State.NORMAL) { 2051 return false; 2052 } 2053 return true; 2054 } 2055 2056 public void updateInteractionForState() { 2057 if (mState != State.NORMAL) { 2058 mLauncher.onInteractionBegin(); 2059 } else { 2060 mLauncher.onInteractionEnd(); 2061 } 2062 } 2063 2064 private void setState(State state) { 2065 mState = state; 2066 updateInteractionForState(); 2067 updateAccessibilityFlags(); 2068 } 2069 2070 private void updateAccessibilityFlags() { 2071 int accessible = mState == State.NORMAL ? 2072 ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES : 2073 ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS; 2074 setImportantForAccessibility(accessible); 2075 } 2076 2077 Animator getChangeStateAnimation(final State state, boolean animated, int delay, int snapPage) { 2078 if (mState == state) { 2079 return null; 2080 } 2081 2082 // Initialize animation arrays for the first time if necessary 2083 initAnimationArrays(); 2084 2085 AnimatorSet anim = animated ? LauncherAnimUtils.createAnimatorSet() : null; 2086 2087 final State oldState = mState; 2088 final boolean oldStateIsNormal = (oldState == State.NORMAL); 2089 final boolean oldStateIsSpringLoaded = (oldState == State.SPRING_LOADED); 2090 final boolean oldStateIsSmall = (oldState == State.SMALL); 2091 final boolean oldStateIsOverview = (oldState == State.OVERVIEW); 2092 setState(state); 2093 final boolean stateIsNormal = (state == State.NORMAL); 2094 final boolean stateIsSpringLoaded = (state == State.SPRING_LOADED); 2095 final boolean stateIsSmall = (state == State.SMALL); 2096 final boolean stateIsOverview = (state == State.OVERVIEW); 2097 float finalBackgroundAlpha = (stateIsSpringLoaded || stateIsOverview) ? 1.0f : 0f; 2098 float finalHotseatAndPageIndicatorAlpha = (stateIsOverview || stateIsSmall) ? 0f : 1f; 2099 float finalOverviewPanelAlpha = stateIsOverview ? 1f : 0f; 2100 float finalSearchBarAlpha = !stateIsNormal ? 0f : 1f; 2101 float finalWorkspaceTranslationY = stateIsOverview ? getOverviewModeTranslationY() : 0; 2102 2103 boolean workspaceToAllApps = (oldStateIsNormal && stateIsSmall); 2104 boolean allAppsToWorkspace = (oldStateIsSmall && stateIsNormal); 2105 boolean workspaceToOverview = (oldStateIsNormal && stateIsOverview); 2106 boolean overviewToWorkspace = (oldStateIsOverview && stateIsNormal); 2107 2108 mNewScale = 1.0f; 2109 2110 if (oldStateIsOverview) { 2111 disableFreeScroll(snapPage); 2112 } else if (stateIsOverview) { 2113 enableFreeScroll(); 2114 } 2115 2116 if (state != State.NORMAL) { 2117 if (stateIsSpringLoaded) { 2118 mNewScale = mSpringLoadedShrinkFactor; 2119 } else if (stateIsOverview) { 2120 mNewScale = mOverviewModeShrinkFactor; 2121 } else if (stateIsSmall){ 2122 mNewScale = mOverviewModeShrinkFactor - 0.3f; 2123 } 2124 if (workspaceToAllApps) { 2125 updateChildrenLayersEnabled(false); 2126 } 2127 } 2128 2129 final int duration; 2130 if (workspaceToAllApps) { 2131 duration = getResources().getInteger(R.integer.config_workspaceUnshrinkTime); 2132 } else if (workspaceToOverview || overviewToWorkspace) { 2133 duration = getResources().getInteger(R.integer.config_overviewTransitionTime); 2134 } else { 2135 duration = getResources().getInteger(R.integer.config_appsCustomizeWorkspaceShrinkTime); 2136 } 2137 2138 for (int i = 0; i < getChildCount(); i++) { 2139 final CellLayout cl = (CellLayout) getChildAt(i); 2140 boolean isCurrentPage = (i == getNextPage()); 2141 float initialAlpha = cl.getShortcutsAndWidgets().getAlpha(); 2142 float finalAlpha; 2143 if (stateIsSmall) { 2144 finalAlpha = 0f; 2145 } else if (stateIsNormal && mWorkspaceFadeInAdjacentScreens) { 2146 2147 finalAlpha = (i == getNextPage() || i < numCustomPages()) ? 1f : 0f; 2148 } else { 2149 finalAlpha = 1f; 2150 } 2151 2152 // If we are animating to/from the small state, then hide the side pages and fade the 2153 // current page in 2154 if (!mIsSwitchingState) { 2155 if (workspaceToAllApps || allAppsToWorkspace) { 2156 if (allAppsToWorkspace && isCurrentPage) { 2157 initialAlpha = 0f; 2158 } else if (!isCurrentPage) { 2159 initialAlpha = finalAlpha = 0f; 2160 } 2161 cl.setShortcutAndWidgetAlpha(initialAlpha); 2162 } 2163 } 2164 2165 mOldAlphas[i] = initialAlpha; 2166 mNewAlphas[i] = finalAlpha; 2167 if (animated) { 2168 mOldBackgroundAlphas[i] = cl.getBackgroundAlpha(); 2169 mNewBackgroundAlphas[i] = finalBackgroundAlpha; 2170 } else { 2171 cl.setBackgroundAlpha(finalBackgroundAlpha); 2172 cl.setShortcutAndWidgetAlpha(finalAlpha); 2173 } 2174 } 2175 2176 final View searchBar = mLauncher.getQsbBar(); 2177 final View overviewPanel = mLauncher.getOverviewPanel(); 2178 final View hotseat = mLauncher.getHotseat(); 2179 if (animated) { 2180 anim.setDuration(duration); 2181 LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(this); 2182 scale.scaleX(mNewScale) 2183 .scaleY(mNewScale) 2184 .translationY(finalWorkspaceTranslationY) 2185 .setInterpolator(mZoomInInterpolator); 2186 anim.play(scale); 2187 for (int index = 0; index < getChildCount(); index++) { 2188 final int i = index; 2189 final CellLayout cl = (CellLayout) getChildAt(i); 2190 float currentAlpha = cl.getShortcutsAndWidgets().getAlpha(); 2191 if (mOldAlphas[i] == 0 && mNewAlphas[i] == 0) { 2192 cl.setBackgroundAlpha(mNewBackgroundAlphas[i]); 2193 cl.setShortcutAndWidgetAlpha(mNewAlphas[i]); 2194 } else { 2195 if (mOldAlphas[i] != mNewAlphas[i] || currentAlpha != mNewAlphas[i]) { 2196 LauncherViewPropertyAnimator alphaAnim = 2197 new LauncherViewPropertyAnimator(cl.getShortcutsAndWidgets()); 2198 alphaAnim.alpha(mNewAlphas[i]) 2199 .setInterpolator(mZoomInInterpolator); 2200 anim.play(alphaAnim); 2201 } 2202 if (mOldBackgroundAlphas[i] != 0 || 2203 mNewBackgroundAlphas[i] != 0) { 2204 ValueAnimator bgAnim = 2205 LauncherAnimUtils.ofFloat(cl, 0f, 1f); 2206 bgAnim.setInterpolator(mZoomInInterpolator); 2207 bgAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2208 public void onAnimationUpdate(float a, float b) { 2209 cl.setBackgroundAlpha( 2210 a * mOldBackgroundAlphas[i] + 2211 b * mNewBackgroundAlphas[i]); 2212 } 2213 }); 2214 anim.play(bgAnim); 2215 } 2216 } 2217 } 2218 ObjectAnimator pageIndicatorAlpha = null; 2219 if (getPageIndicator() != null) { 2220 pageIndicatorAlpha = ObjectAnimator.ofFloat(getPageIndicator(), "alpha", 2221 finalHotseatAndPageIndicatorAlpha); 2222 } 2223 ObjectAnimator hotseatAlpha = ObjectAnimator.ofFloat(hotseat, "alpha", 2224 finalHotseatAndPageIndicatorAlpha); 2225 ObjectAnimator searchBarAlpha = ObjectAnimator.ofFloat(searchBar, 2226 "alpha", finalSearchBarAlpha); 2227 ObjectAnimator overviewPanelAlpha = ObjectAnimator.ofFloat(overviewPanel, 2228 "alpha", finalOverviewPanelAlpha); 2229 2230 overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel)); 2231 hotseatAlpha.addListener(new AlphaUpdateListener(hotseat)); 2232 searchBarAlpha.addListener(new AlphaUpdateListener(searchBar)); 2233 2234 if (workspaceToOverview) { 2235 hotseatAlpha.setInterpolator(new DecelerateInterpolator(2)); 2236 } else if (overviewToWorkspace) { 2237 overviewPanelAlpha.setInterpolator(new DecelerateInterpolator(2)); 2238 } 2239 2240 if (getPageIndicator() != null) { 2241 pageIndicatorAlpha.addListener(new AlphaUpdateListener(getPageIndicator())); 2242 } 2243 2244 anim.play(overviewPanelAlpha); 2245 anim.play(hotseatAlpha); 2246 anim.play(searchBarAlpha); 2247 anim.play(pageIndicatorAlpha); 2248 anim.setStartDelay(delay); 2249 } else { 2250 overviewPanel.setAlpha(finalOverviewPanelAlpha); 2251 AlphaUpdateListener.updateVisibility(overviewPanel); 2252 hotseat.setAlpha(finalHotseatAndPageIndicatorAlpha); 2253 AlphaUpdateListener.updateVisibility(hotseat); 2254 if (getPageIndicator() != null) { 2255 getPageIndicator().setAlpha(finalHotseatAndPageIndicatorAlpha); 2256 AlphaUpdateListener.updateVisibility(getPageIndicator()); 2257 } 2258 searchBar.setAlpha(finalSearchBarAlpha); 2259 AlphaUpdateListener.updateVisibility(searchBar); 2260 updateCustomContentVisibility(); 2261 setScaleX(mNewScale); 2262 setScaleY(mNewScale); 2263 setTranslationY(finalWorkspaceTranslationY); 2264 } 2265 mLauncher.updateVoiceButtonProxyVisible(false); 2266 2267 if (stateIsSpringLoaded) { 2268 // Right now we're covered by Apps Customize 2269 // Show the background gradient immediately, so the gradient will 2270 // be showing once AppsCustomize disappears 2271 animateBackgroundGradient(getResources().getInteger( 2272 R.integer.config_appsCustomizeSpringLoadedBgAlpha) / 100f, false); 2273 } else if (stateIsOverview) { 2274 animateBackgroundGradient(getResources().getInteger( 2275 R.integer.config_appsCustomizeSpringLoadedBgAlpha) / 100f, true); 2276 } else { 2277 // Fade the background gradient away 2278 animateBackgroundGradient(0f, animated); 2279 } 2280 return anim; 2281 } 2282 2283 static class AlphaUpdateListener implements AnimatorUpdateListener, AnimatorListener { 2284 View view; 2285 public AlphaUpdateListener(View v) { 2286 view = v; 2287 } 2288 2289 @Override 2290 public void onAnimationUpdate(ValueAnimator arg0) { 2291 updateVisibility(view); 2292 } 2293 2294 public static void updateVisibility(View view) { 2295 // We want to avoid the extra layout pass by setting the views to GONE unless 2296 // accessibility is on, in which case not setting them to GONE causes a glitch. 2297 int invisibleState = sAccessibilityEnabled ? GONE : INVISIBLE; 2298 if (view.getAlpha() < ALPHA_CUTOFF_THRESHOLD && view.getVisibility() != invisibleState) { 2299 view.setVisibility(invisibleState); 2300 } else if (view.getAlpha() > ALPHA_CUTOFF_THRESHOLD 2301 && view.getVisibility() != VISIBLE) { 2302 view.setVisibility(VISIBLE); 2303 } 2304 } 2305 2306 @Override 2307 public void onAnimationCancel(Animator arg0) { 2308 } 2309 2310 @Override 2311 public void onAnimationEnd(Animator arg0) { 2312 updateVisibility(view); 2313 } 2314 2315 @Override 2316 public void onAnimationRepeat(Animator arg0) { 2317 } 2318 2319 @Override 2320 public void onAnimationStart(Animator arg0) { 2321 // We want the views to be visible for animation, so fade-in/out is visible 2322 view.setVisibility(VISIBLE); 2323 } 2324 } 2325 2326 @Override 2327 public void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace) { 2328 onTransitionPrepare(); 2329 } 2330 2331 @Override 2332 public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) { 2333 } 2334 2335 @Override 2336 public void onLauncherTransitionStep(Launcher l, float t) { 2337 mTransitionProgress = t; 2338 } 2339 2340 @Override 2341 public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) { 2342 onTransitionEnd(); 2343 } 2344 2345 private void onTransitionPrepare() { 2346 mIsSwitchingState = true; 2347 2348 // Invalidate here to ensure that the pages are rendered during the state change transition. 2349 invalidate(); 2350 2351 updateChildrenLayersEnabled(false); 2352 hideCustomContentIfNecessary(); 2353 } 2354 2355 void updateCustomContentVisibility() { 2356 int visibility = mState == Workspace.State.NORMAL ? VISIBLE : INVISIBLE; 2357 if (hasCustomContent()) { 2358 mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID).setVisibility(visibility); 2359 } 2360 } 2361 2362 void showCustomContentIfNecessary() { 2363 boolean show = mState == Workspace.State.NORMAL; 2364 if (show && hasCustomContent()) { 2365 mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID).setVisibility(VISIBLE); 2366 } 2367 } 2368 2369 void hideCustomContentIfNecessary() { 2370 boolean hide = mState != Workspace.State.NORMAL; 2371 if (hide && hasCustomContent()) { 2372 disableLayoutTransitions(); 2373 mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID).setVisibility(INVISIBLE); 2374 enableLayoutTransitions(); 2375 } 2376 } 2377 2378 private void onTransitionEnd() { 2379 mIsSwitchingState = false; 2380 updateChildrenLayersEnabled(false); 2381 // The code in getChangeStateAnimation to determine initialAlpha and finalAlpha will ensure 2382 // ensure that only the current page is visible during (and subsequently, after) the 2383 // transition animation. If fade adjacent pages is disabled, then re-enable the page 2384 // visibility after the transition animation. 2385 if (!mWorkspaceFadeInAdjacentScreens) { 2386 for (int i = 0; i < getChildCount(); i++) { 2387 final CellLayout cl = (CellLayout) getChildAt(i); 2388 cl.setShortcutAndWidgetAlpha(1f); 2389 } 2390 } else { 2391 for (int i = 0; i < numCustomPages(); i++) { 2392 final CellLayout cl = (CellLayout) getChildAt(i); 2393 cl.setShortcutAndWidgetAlpha(1f); 2394 } 2395 } 2396 showCustomContentIfNecessary(); 2397 } 2398 2399 @Override 2400 public View getContent() { 2401 return this; 2402 } 2403 2404 /** 2405 * Draw the View v into the given Canvas. 2406 * 2407 * @param v the view to draw 2408 * @param destCanvas the canvas to draw on 2409 * @param padding the horizontal and vertical padding to use when drawing 2410 */ 2411 private void drawDragView(View v, Canvas destCanvas, int padding, boolean pruneToDrawable) { 2412 final Rect clipRect = mTempRect; 2413 v.getDrawingRect(clipRect); 2414 2415 boolean textVisible = false; 2416 2417 destCanvas.save(); 2418 if (v instanceof TextView && pruneToDrawable) { 2419 Drawable d = ((TextView) v).getCompoundDrawables()[1]; 2420 clipRect.set(0, 0, d.getIntrinsicWidth() + padding, d.getIntrinsicHeight() + padding); 2421 destCanvas.translate(padding / 2, padding / 2); 2422 d.draw(destCanvas); 2423 } else { 2424 if (v instanceof FolderIcon) { 2425 // For FolderIcons the text can bleed into the icon area, and so we need to 2426 // hide the text completely (which can't be achieved by clipping). 2427 if (((FolderIcon) v).getTextVisible()) { 2428 ((FolderIcon) v).setTextVisible(false); 2429 textVisible = true; 2430 } 2431 } else if (v instanceof BubbleTextView) { 2432 final BubbleTextView tv = (BubbleTextView) v; 2433 clipRect.bottom = tv.getExtendedPaddingTop() - (int) BubbleTextView.PADDING_V + 2434 tv.getLayout().getLineTop(0); 2435 } else if (v instanceof TextView) { 2436 final TextView tv = (TextView) v; 2437 clipRect.bottom = tv.getExtendedPaddingTop() - tv.getCompoundDrawablePadding() + 2438 tv.getLayout().getLineTop(0); 2439 } 2440 destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2); 2441 destCanvas.clipRect(clipRect, Op.REPLACE); 2442 v.draw(destCanvas); 2443 2444 // Restore text visibility of FolderIcon if necessary 2445 if (textVisible) { 2446 ((FolderIcon) v).setTextVisible(true); 2447 } 2448 } 2449 destCanvas.restore(); 2450 } 2451 2452 /** 2453 * Returns a new bitmap to show when the given View is being dragged around. 2454 * Responsibility for the bitmap is transferred to the caller. 2455 */ 2456 public Bitmap createDragBitmap(View v, Canvas canvas, int padding) { 2457 Bitmap b; 2458 2459 if (v instanceof TextView) { 2460 Drawable d = ((TextView) v).getCompoundDrawables()[1]; 2461 b = Bitmap.createBitmap(d.getIntrinsicWidth() + padding, 2462 d.getIntrinsicHeight() + padding, Bitmap.Config.ARGB_8888); 2463 } else { 2464 b = Bitmap.createBitmap( 2465 v.getWidth() + padding, v.getHeight() + padding, Bitmap.Config.ARGB_8888); 2466 } 2467 2468 canvas.setBitmap(b); 2469 drawDragView(v, canvas, padding, true); 2470 canvas.setBitmap(null); 2471 2472 return b; 2473 } 2474 2475 /** 2476 * Returns a new bitmap to be used as the object outline, e.g. to visualize the drop location. 2477 * Responsibility for the bitmap is transferred to the caller. 2478 */ 2479 private Bitmap createDragOutline(View v, Canvas canvas, int padding) { 2480 final int outlineColor = getResources().getColor(R.color.outline_color); 2481 final Bitmap b = Bitmap.createBitmap( 2482 v.getWidth() + padding, v.getHeight() + padding, Bitmap.Config.ARGB_8888); 2483 2484 canvas.setBitmap(b); 2485 drawDragView(v, canvas, padding, true); 2486 mOutlineHelper.applyMediumExpensiveOutlineWithBlur(b, canvas, outlineColor, outlineColor); 2487 canvas.setBitmap(null); 2488 return b; 2489 } 2490 2491 /** 2492 * Returns a new bitmap to be used as the object outline, e.g. to visualize the drop location. 2493 * Responsibility for the bitmap is transferred to the caller. 2494 */ 2495 private Bitmap createDragOutline(Bitmap orig, Canvas canvas, int padding, int w, int h, 2496 boolean clipAlpha) { 2497 final int outlineColor = getResources().getColor(R.color.outline_color); 2498 final Bitmap b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); 2499 canvas.setBitmap(b); 2500 2501 Rect src = new Rect(0, 0, orig.getWidth(), orig.getHeight()); 2502 float scaleFactor = Math.min((w - padding) / (float) orig.getWidth(), 2503 (h - padding) / (float) orig.getHeight()); 2504 int scaledWidth = (int) (scaleFactor * orig.getWidth()); 2505 int scaledHeight = (int) (scaleFactor * orig.getHeight()); 2506 Rect dst = new Rect(0, 0, scaledWidth, scaledHeight); 2507 2508 // center the image 2509 dst.offset((w - scaledWidth) / 2, (h - scaledHeight) / 2); 2510 2511 canvas.drawBitmap(orig, src, dst, null); 2512 mOutlineHelper.applyMediumExpensiveOutlineWithBlur(b, canvas, outlineColor, outlineColor, 2513 clipAlpha); 2514 canvas.setBitmap(null); 2515 2516 return b; 2517 } 2518 2519 void startDrag(CellLayout.CellInfo cellInfo) { 2520 View child = cellInfo.cell; 2521 2522 // Make sure the drag was started by a long press as opposed to a long click. 2523 if (!child.isInTouchMode()) { 2524 return; 2525 } 2526 2527 mDragInfo = cellInfo; 2528 child.setVisibility(INVISIBLE); 2529 CellLayout layout = (CellLayout) child.getParent().getParent(); 2530 layout.prepareChildForDrag(child); 2531 2532 child.clearFocus(); 2533 child.setPressed(false); 2534 2535 final Canvas canvas = new Canvas(); 2536 2537 // The outline is used to visualize where the item will land if dropped 2538 mDragOutline = createDragOutline(child, canvas, DRAG_BITMAP_PADDING); 2539 beginDragShared(child, this); 2540 } 2541 2542 public void beginDragShared(View child, DragSource source) { 2543 // The drag bitmap follows the touch point around on the screen 2544 final Bitmap b = createDragBitmap(child, new Canvas(), DRAG_BITMAP_PADDING); 2545 2546 final int bmpWidth = b.getWidth(); 2547 final int bmpHeight = b.getHeight(); 2548 2549 float scale = mLauncher.getDragLayer().getLocationInDragLayer(child, mTempXY); 2550 int dragLayerX = 2551 Math.round(mTempXY[0] - (bmpWidth - scale * child.getWidth()) / 2); 2552 int dragLayerY = 2553 Math.round(mTempXY[1] - (bmpHeight - scale * bmpHeight) / 2 2554 - DRAG_BITMAP_PADDING / 2); 2555 2556 LauncherAppState app = LauncherAppState.getInstance(); 2557 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 2558 Point dragVisualizeOffset = null; 2559 Rect dragRect = null; 2560 if (child instanceof BubbleTextView || child instanceof PagedViewIcon) { 2561 int iconSize = grid.iconSizePx; 2562 int top = child.getPaddingTop(); 2563 int left = (bmpWidth - iconSize) / 2; 2564 int right = left + iconSize; 2565 int bottom = top + iconSize; 2566 dragLayerY += top; 2567 // Note: The drag region is used to calculate drag layer offsets, but the 2568 // dragVisualizeOffset in addition to the dragRect (the size) to position the outline. 2569 dragVisualizeOffset = new Point(-DRAG_BITMAP_PADDING / 2, DRAG_BITMAP_PADDING / 2); 2570 dragRect = new Rect(left, top, right, bottom); 2571 } else if (child instanceof FolderIcon) { 2572 int previewSize = grid.folderIconSizePx; 2573 dragRect = new Rect(0, child.getPaddingTop(), child.getWidth(), previewSize); 2574 } 2575 2576 // Clear the pressed state if necessary 2577 if (child instanceof BubbleTextView) { 2578 BubbleTextView icon = (BubbleTextView) child; 2579 icon.clearPressedOrFocusedBackground(); 2580 } 2581 2582 if (child.getTag() == null || !(child.getTag() instanceof ItemInfo)) { 2583 String msg = "Drag started with a view that has no tag set. This " 2584 + "will cause a crash (issue 11627249) down the line. " 2585 + "View: " + child + " tag: " + child.getTag(); 2586 throw new IllegalStateException(msg); 2587 } 2588 2589 DragView dv = mDragController.startDrag(b, dragLayerX, dragLayerY, source, child.getTag(), 2590 DragController.DRAG_ACTION_MOVE, dragVisualizeOffset, dragRect, scale); 2591 dv.setIntrinsicIconScaleFactor(source.getIntrinsicIconScaleFactor()); 2592 2593 if (child.getParent() instanceof ShortcutAndWidgetContainer) { 2594 mDragSourceInternal = (ShortcutAndWidgetContainer) child.getParent(); 2595 } 2596 2597 b.recycle(); 2598 } 2599 2600 void addApplicationShortcut(ShortcutInfo info, CellLayout target, long container, long screenId, 2601 int cellX, int cellY, boolean insertAtFirst, int intersectX, int intersectY) { 2602 View view = mLauncher.createShortcut(R.layout.application, target, (ShortcutInfo) info); 2603 2604 final int[] cellXY = new int[2]; 2605 target.findCellForSpanThatIntersects(cellXY, 1, 1, intersectX, intersectY); 2606 addInScreen(view, container, screenId, cellXY[0], cellXY[1], 1, 1, insertAtFirst); 2607 2608 LauncherModel.addOrMoveItemInDatabase(mLauncher, info, container, screenId, cellXY[0], 2609 cellXY[1]); 2610 } 2611 2612 public boolean transitionStateShouldAllowDrop() { 2613 return ((!isSwitchingState() || mTransitionProgress > 0.5f) && mState != State.SMALL); 2614 } 2615 2616 /** 2617 * {@inheritDoc} 2618 */ 2619 public boolean acceptDrop(DragObject d) { 2620 // If it's an external drop (e.g. from All Apps), check if it should be accepted 2621 CellLayout dropTargetLayout = mDropToLayout; 2622 if (d.dragSource != this) { 2623 // Don't accept the drop if we're not over a screen at time of drop 2624 if (dropTargetLayout == null) { 2625 return false; 2626 } 2627 if (!transitionStateShouldAllowDrop()) return false; 2628 2629 mDragViewVisualCenter = getDragViewVisualCenter(d.x, d.y, d.xOffset, d.yOffset, 2630 d.dragView, mDragViewVisualCenter); 2631 2632 // We want the point to be mapped to the dragTarget. 2633 if (mLauncher.isHotseatLayout(dropTargetLayout)) { 2634 mapPointFromSelfToHotseatLayout(mLauncher.getHotseat(), mDragViewVisualCenter); 2635 } else { 2636 mapPointFromSelfToChild(dropTargetLayout, mDragViewVisualCenter, null); 2637 } 2638 2639 int spanX = 1; 2640 int spanY = 1; 2641 if (mDragInfo != null) { 2642 final CellLayout.CellInfo dragCellInfo = mDragInfo; 2643 spanX = dragCellInfo.spanX; 2644 spanY = dragCellInfo.spanY; 2645 } else { 2646 final ItemInfo dragInfo = (ItemInfo) d.dragInfo; 2647 spanX = dragInfo.spanX; 2648 spanY = dragInfo.spanY; 2649 } 2650 2651 int minSpanX = spanX; 2652 int minSpanY = spanY; 2653 if (d.dragInfo instanceof PendingAddWidgetInfo) { 2654 minSpanX = ((PendingAddWidgetInfo) d.dragInfo).minSpanX; 2655 minSpanY = ((PendingAddWidgetInfo) d.dragInfo).minSpanY; 2656 } 2657 2658 mTargetCell = findNearestArea((int) mDragViewVisualCenter[0], 2659 (int) mDragViewVisualCenter[1], minSpanX, minSpanY, dropTargetLayout, 2660 mTargetCell); 2661 float distance = dropTargetLayout.getDistanceFromCell(mDragViewVisualCenter[0], 2662 mDragViewVisualCenter[1], mTargetCell); 2663 if (willCreateUserFolder((ItemInfo) d.dragInfo, dropTargetLayout, 2664 mTargetCell, distance, true)) { 2665 return true; 2666 } 2667 if (willAddToExistingUserFolder((ItemInfo) d.dragInfo, dropTargetLayout, 2668 mTargetCell, distance)) { 2669 return true; 2670 } 2671 2672 int[] resultSpan = new int[2]; 2673 mTargetCell = dropTargetLayout.createArea((int) mDragViewVisualCenter[0], 2674 (int) mDragViewVisualCenter[1], minSpanX, minSpanY, spanX, spanY, 2675 null, mTargetCell, resultSpan, CellLayout.MODE_ACCEPT_DROP); 2676 boolean foundCell = mTargetCell[0] >= 0 && mTargetCell[1] >= 0; 2677 2678 // Don't accept the drop if there's no room for the item 2679 if (!foundCell) { 2680 // Don't show the message if we are dropping on the AllApps button and the hotseat 2681 // is full 2682 boolean isHotseat = mLauncher.isHotseatLayout(dropTargetLayout); 2683 if (mTargetCell != null && isHotseat) { 2684 Hotseat hotseat = mLauncher.getHotseat(); 2685 if (hotseat.isAllAppsButtonRank( 2686 hotseat.getOrderInHotseat(mTargetCell[0], mTargetCell[1]))) { 2687 return false; 2688 } 2689 } 2690 2691 mLauncher.showOutOfSpaceMessage(isHotseat); 2692 return false; 2693 } 2694 } 2695 2696 long screenId = getIdForScreen(dropTargetLayout); 2697 if (screenId == EXTRA_EMPTY_SCREEN_ID) { 2698 commitExtraEmptyScreen(); 2699 } 2700 2701 return true; 2702 } 2703 2704 boolean willCreateUserFolder(ItemInfo info, CellLayout target, int[] targetCell, float 2705 distance, boolean considerTimeout) { 2706 if (distance > mMaxDistanceForFolderCreation) return false; 2707 View dropOverView = target.getChildAt(targetCell[0], targetCell[1]); 2708 2709 if (dropOverView != null) { 2710 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) dropOverView.getLayoutParams(); 2711 if (lp.useTmpCoords && (lp.tmpCellX != lp.cellX || lp.tmpCellY != lp.tmpCellY)) { 2712 return false; 2713 } 2714 } 2715 2716 boolean hasntMoved = false; 2717 if (mDragInfo != null) { 2718 hasntMoved = dropOverView == mDragInfo.cell; 2719 } 2720 2721 if (dropOverView == null || hasntMoved || (considerTimeout && !mCreateUserFolderOnDrop)) { 2722 return false; 2723 } 2724 2725 boolean aboveShortcut = (dropOverView.getTag() instanceof ShortcutInfo); 2726 boolean willBecomeShortcut = 2727 (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION || 2728 info.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT); 2729 2730 return (aboveShortcut && willBecomeShortcut); 2731 } 2732 2733 boolean willAddToExistingUserFolder(Object dragInfo, CellLayout target, int[] targetCell, 2734 float distance) { 2735 if (distance > mMaxDistanceForFolderCreation) return false; 2736 View dropOverView = target.getChildAt(targetCell[0], targetCell[1]); 2737 2738 if (dropOverView != null) { 2739 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) dropOverView.getLayoutParams(); 2740 if (lp.useTmpCoords && (lp.tmpCellX != lp.cellX || lp.tmpCellY != lp.tmpCellY)) { 2741 return false; 2742 } 2743 } 2744 2745 if (dropOverView instanceof FolderIcon) { 2746 FolderIcon fi = (FolderIcon) dropOverView; 2747 if (fi.acceptDrop(dragInfo)) { 2748 return true; 2749 } 2750 } 2751 return false; 2752 } 2753 2754 boolean createUserFolderIfNecessary(View newView, long container, CellLayout target, 2755 int[] targetCell, float distance, boolean external, DragView dragView, 2756 Runnable postAnimationRunnable) { 2757 if (distance > mMaxDistanceForFolderCreation) return false; 2758 View v = target.getChildAt(targetCell[0], targetCell[1]); 2759 2760 boolean hasntMoved = false; 2761 if (mDragInfo != null) { 2762 CellLayout cellParent = getParentCellLayoutForView(mDragInfo.cell); 2763 hasntMoved = (mDragInfo.cellX == targetCell[0] && 2764 mDragInfo.cellY == targetCell[1]) && (cellParent == target); 2765 } 2766 2767 if (v == null || hasntMoved || !mCreateUserFolderOnDrop) return false; 2768 mCreateUserFolderOnDrop = false; 2769 final long screenId = (targetCell == null) ? mDragInfo.screenId : getIdForScreen(target); 2770 2771 boolean aboveShortcut = (v.getTag() instanceof ShortcutInfo); 2772 boolean willBecomeShortcut = (newView.getTag() instanceof ShortcutInfo); 2773 2774 if (aboveShortcut && willBecomeShortcut) { 2775 ShortcutInfo sourceInfo = (ShortcutInfo) newView.getTag(); 2776 ShortcutInfo destInfo = (ShortcutInfo) v.getTag(); 2777 // if the drag started here, we need to remove it from the workspace 2778 if (!external) { 2779 getParentCellLayoutForView(mDragInfo.cell).removeView(mDragInfo.cell); 2780 } 2781 2782 Rect folderLocation = new Rect(); 2783 float scale = mLauncher.getDragLayer().getDescendantRectRelativeToSelf(v, folderLocation); 2784 target.removeView(v); 2785 2786 FolderIcon fi = 2787 mLauncher.addFolder(target, container, screenId, targetCell[0], targetCell[1]); 2788 destInfo.cellX = -1; 2789 destInfo.cellY = -1; 2790 sourceInfo.cellX = -1; 2791 sourceInfo.cellY = -1; 2792 2793 // If the dragView is null, we can't animate 2794 boolean animate = dragView != null; 2795 if (animate) { 2796 fi.performCreateAnimation(destInfo, v, sourceInfo, dragView, folderLocation, scale, 2797 postAnimationRunnable); 2798 } else { 2799 fi.addItem(destInfo); 2800 fi.addItem(sourceInfo); 2801 } 2802 return true; 2803 } 2804 return false; 2805 } 2806 2807 boolean addToExistingFolderIfNecessary(View newView, CellLayout target, int[] targetCell, 2808 float distance, DragObject d, boolean external) { 2809 if (distance > mMaxDistanceForFolderCreation) return false; 2810 2811 View dropOverView = target.getChildAt(targetCell[0], targetCell[1]); 2812 if (!mAddToExistingFolderOnDrop) return false; 2813 mAddToExistingFolderOnDrop = false; 2814 2815 if (dropOverView instanceof FolderIcon) { 2816 FolderIcon fi = (FolderIcon) dropOverView; 2817 if (fi.acceptDrop(d.dragInfo)) { 2818 fi.onDrop(d); 2819 2820 // if the drag started here, we need to remove it from the workspace 2821 if (!external) { 2822 getParentCellLayoutForView(mDragInfo.cell).removeView(mDragInfo.cell); 2823 } 2824 return true; 2825 } 2826 } 2827 return false; 2828 } 2829 2830 public void onDrop(final DragObject d) { 2831 mDragViewVisualCenter = getDragViewVisualCenter(d.x, d.y, d.xOffset, d.yOffset, d.dragView, 2832 mDragViewVisualCenter); 2833 2834 CellLayout dropTargetLayout = mDropToLayout; 2835 2836 // We want the point to be mapped to the dragTarget. 2837 if (dropTargetLayout != null) { 2838 if (mLauncher.isHotseatLayout(dropTargetLayout)) { 2839 mapPointFromSelfToHotseatLayout(mLauncher.getHotseat(), mDragViewVisualCenter); 2840 } else { 2841 mapPointFromSelfToChild(dropTargetLayout, mDragViewVisualCenter, null); 2842 } 2843 } 2844 2845 int snapScreen = -1; 2846 boolean resizeOnDrop = false; 2847 if (d.dragSource != this) { 2848 final int[] touchXY = new int[] { (int) mDragViewVisualCenter[0], 2849 (int) mDragViewVisualCenter[1] }; 2850 onDropExternal(touchXY, d.dragInfo, dropTargetLayout, false, d); 2851 } else if (mDragInfo != null) { 2852 final View cell = mDragInfo.cell; 2853 2854 Runnable resizeRunnable = null; 2855 if (dropTargetLayout != null && !d.cancelled) { 2856 // Move internally 2857 boolean hasMovedLayouts = (getParentCellLayoutForView(cell) != dropTargetLayout); 2858 boolean hasMovedIntoHotseat = mLauncher.isHotseatLayout(dropTargetLayout); 2859 long container = hasMovedIntoHotseat ? 2860 LauncherSettings.Favorites.CONTAINER_HOTSEAT : 2861 LauncherSettings.Favorites.CONTAINER_DESKTOP; 2862 long screenId = (mTargetCell[0] < 0) ? 2863 mDragInfo.screenId : getIdForScreen(dropTargetLayout); 2864 int spanX = mDragInfo != null ? mDragInfo.spanX : 1; 2865 int spanY = mDragInfo != null ? mDragInfo.spanY : 1; 2866 // First we find the cell nearest to point at which the item is 2867 // dropped, without any consideration to whether there is an item there. 2868 2869 mTargetCell = findNearestArea((int) mDragViewVisualCenter[0], (int) 2870 mDragViewVisualCenter[1], spanX, spanY, dropTargetLayout, mTargetCell); 2871 float distance = dropTargetLayout.getDistanceFromCell(mDragViewVisualCenter[0], 2872 mDragViewVisualCenter[1], mTargetCell); 2873 2874 // If the item being dropped is a shortcut and the nearest drop 2875 // cell also contains a shortcut, then create a folder with the two shortcuts. 2876 if (!mInScrollArea && createUserFolderIfNecessary(cell, container, 2877 dropTargetLayout, mTargetCell, distance, false, d.dragView, null)) { 2878 removeExtraEmptyScreen(true, null, 0, true); 2879 return; 2880 } 2881 2882 if (addToExistingFolderIfNecessary(cell, dropTargetLayout, mTargetCell, 2883 distance, d, false)) { 2884 removeExtraEmptyScreen(true, null, 0, true); 2885 return; 2886 } 2887 2888 // Aside from the special case where we're dropping a shortcut onto a shortcut, 2889 // we need to find the nearest cell location that is vacant 2890 ItemInfo item = (ItemInfo) d.dragInfo; 2891 int minSpanX = item.spanX; 2892 int minSpanY = item.spanY; 2893 if (item.minSpanX > 0 && item.minSpanY > 0) { 2894 minSpanX = item.minSpanX; 2895 minSpanY = item.minSpanY; 2896 } 2897 2898 int[] resultSpan = new int[2]; 2899 mTargetCell = dropTargetLayout.createArea((int) mDragViewVisualCenter[0], 2900 (int) mDragViewVisualCenter[1], minSpanX, minSpanY, spanX, spanY, cell, 2901 mTargetCell, resultSpan, CellLayout.MODE_ON_DROP); 2902 2903 boolean foundCell = mTargetCell[0] >= 0 && mTargetCell[1] >= 0; 2904 2905 // if the widget resizes on drop 2906 if (foundCell && (cell instanceof AppWidgetHostView) && 2907 (resultSpan[0] != item.spanX || resultSpan[1] != item.spanY)) { 2908 resizeOnDrop = true; 2909 item.spanX = resultSpan[0]; 2910 item.spanY = resultSpan[1]; 2911 AppWidgetHostView awhv = (AppWidgetHostView) cell; 2912 AppWidgetResizeFrame.updateWidgetSizeRanges(awhv, mLauncher, resultSpan[0], 2913 resultSpan[1]); 2914 } 2915 2916 if (getScreenIdForPageIndex(mCurrentPage) != screenId && !hasMovedIntoHotseat) { 2917 snapScreen = getPageIndexForScreenId(screenId); 2918 snapToPage(snapScreen); 2919 } 2920 2921 if (foundCell) { 2922 final ItemInfo info = (ItemInfo) cell.getTag(); 2923 if (hasMovedLayouts) { 2924 // Reparent the view 2925 getParentCellLayoutForView(cell).removeView(cell); 2926 addInScreen(cell, container, screenId, mTargetCell[0], mTargetCell[1], 2927 info.spanX, info.spanY); 2928 } 2929 2930 // update the item's position after drop 2931 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams(); 2932 lp.cellX = lp.tmpCellX = mTargetCell[0]; 2933 lp.cellY = lp.tmpCellY = mTargetCell[1]; 2934 lp.cellHSpan = item.spanX; 2935 lp.cellVSpan = item.spanY; 2936 lp.isLockedToGrid = true; 2937 2938 if (container != LauncherSettings.Favorites.CONTAINER_HOTSEAT && 2939 cell instanceof LauncherAppWidgetHostView) { 2940 final CellLayout cellLayout = dropTargetLayout; 2941 // We post this call so that the widget has a chance to be placed 2942 // in its final location 2943 2944 final LauncherAppWidgetHostView hostView = (LauncherAppWidgetHostView) cell; 2945 AppWidgetProviderInfo pinfo = hostView.getAppWidgetInfo(); 2946 if (pinfo != null && 2947 pinfo.resizeMode != AppWidgetProviderInfo.RESIZE_NONE) { 2948 final Runnable addResizeFrame = new Runnable() { 2949 public void run() { 2950 DragLayer dragLayer = mLauncher.getDragLayer(); 2951 dragLayer.addResizeFrame(info, hostView, cellLayout); 2952 } 2953 }; 2954 resizeRunnable = (new Runnable() { 2955 public void run() { 2956 if (!isPageMoving()) { 2957 addResizeFrame.run(); 2958 } else { 2959 mDelayedResizeRunnable = addResizeFrame; 2960 } 2961 } 2962 }); 2963 } 2964 } 2965 2966 LauncherModel.modifyItemInDatabase(mLauncher, info, container, screenId, lp.cellX, 2967 lp.cellY, item.spanX, item.spanY); 2968 } else { 2969 // If we can't find a drop location, we return the item to its original position 2970 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams(); 2971 mTargetCell[0] = lp.cellX; 2972 mTargetCell[1] = lp.cellY; 2973 CellLayout layout = (CellLayout) cell.getParent().getParent(); 2974 layout.markCellsAsOccupiedForView(cell); 2975 } 2976 } 2977 2978 final CellLayout parent = (CellLayout) cell.getParent().getParent(); 2979 final Runnable finalResizeRunnable = resizeRunnable; 2980 // Prepare it to be animated into its new position 2981 // This must be called after the view has been re-parented 2982 final Runnable onCompleteRunnable = new Runnable() { 2983 @Override 2984 public void run() { 2985 mAnimatingViewIntoPlace = false; 2986 updateChildrenLayersEnabled(false); 2987 if (finalResizeRunnable != null) { 2988 finalResizeRunnable.run(); 2989 } 2990 removeExtraEmptyScreen(true, null, 0, true); 2991 } 2992 }; 2993 mAnimatingViewIntoPlace = true; 2994 if (d.dragView.hasDrawn()) { 2995 final ItemInfo info = (ItemInfo) cell.getTag(); 2996 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET) { 2997 int animationType = resizeOnDrop ? ANIMATE_INTO_POSITION_AND_RESIZE : 2998 ANIMATE_INTO_POSITION_AND_DISAPPEAR; 2999 animateWidgetDrop(info, parent, d.dragView, 3000 onCompleteRunnable, animationType, cell, false); 3001 } else { 3002 int duration = snapScreen < 0 ? -1 : ADJACENT_SCREEN_DROP_DURATION; 3003 mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, cell, duration, 3004 onCompleteRunnable, this); 3005 } 3006 } else { 3007 d.deferDragViewCleanupPostAnimation = false; 3008 cell.setVisibility(VISIBLE); 3009 } 3010 parent.onDropChild(cell); 3011 } 3012 } 3013 3014 public void setFinalScrollForPageChange(int pageIndex) { 3015 CellLayout cl = (CellLayout) getChildAt(pageIndex); 3016 if (cl != null) { 3017 mSavedScrollX = getScrollX(); 3018 mSavedTranslationX = cl.getTranslationX(); 3019 mSavedRotationY = cl.getRotationY(); 3020 final int newX = getScrollForPage(pageIndex); 3021 setScrollX(newX); 3022 cl.setTranslationX(0f); 3023 cl.setRotationY(0f); 3024 } 3025 } 3026 3027 public void resetFinalScrollForPageChange(int pageIndex) { 3028 if (pageIndex >= 0) { 3029 CellLayout cl = (CellLayout) getChildAt(pageIndex); 3030 setScrollX(mSavedScrollX); 3031 cl.setTranslationX(mSavedTranslationX); 3032 cl.setRotationY(mSavedRotationY); 3033 } 3034 } 3035 3036 public void getViewLocationRelativeToSelf(View v, int[] location) { 3037 getLocationInWindow(location); 3038 int x = location[0]; 3039 int y = location[1]; 3040 3041 v.getLocationInWindow(location); 3042 int vX = location[0]; 3043 int vY = location[1]; 3044 3045 location[0] = vX - x; 3046 location[1] = vY - y; 3047 } 3048 3049 public void onDragEnter(DragObject d) { 3050 mDragEnforcer.onDragEnter(); 3051 mCreateUserFolderOnDrop = false; 3052 mAddToExistingFolderOnDrop = false; 3053 3054 mDropToLayout = null; 3055 CellLayout layout = getCurrentDropLayout(); 3056 setCurrentDropLayout(layout); 3057 setCurrentDragOverlappingLayout(layout); 3058 3059 // Because we don't have space in the Phone UI (the CellLayouts run to the edge) we 3060 // don't need to show the outlines 3061 if (LauncherAppState.getInstance().isScreenLarge()) { 3062 showOutlines(); 3063 } 3064 } 3065 3066 /** Return a rect that has the cellWidth/cellHeight (left, top), and 3067 * widthGap/heightGap (right, bottom) */ 3068 static Rect getCellLayoutMetrics(Launcher launcher, int orientation) { 3069 LauncherAppState app = LauncherAppState.getInstance(); 3070 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 3071 3072 Resources res = launcher.getResources(); 3073 Display display = launcher.getWindowManager().getDefaultDisplay(); 3074 Point smallestSize = new Point(); 3075 Point largestSize = new Point(); 3076 display.getCurrentSizeRange(smallestSize, largestSize); 3077 int countX = (int) grid.numColumns; 3078 int countY = (int) grid.numRows; 3079 int constrainedLongEdge = largestSize.y; 3080 int constrainedShortEdge = smallestSize.y; 3081 if (orientation == CellLayout.LANDSCAPE) { 3082 if (mLandscapeCellLayoutMetrics == null) { 3083 Rect padding = grid.getWorkspacePadding(CellLayout.LANDSCAPE); 3084 int width = constrainedLongEdge - padding.left - padding.right; 3085 int height = constrainedShortEdge - padding.top - padding.bottom; 3086 mLandscapeCellLayoutMetrics = new Rect(); 3087 mLandscapeCellLayoutMetrics.set( 3088 grid.calculateCellWidth(width, countX), 3089 grid.calculateCellHeight(height, countY), 0, 0); 3090 } 3091 return mLandscapeCellLayoutMetrics; 3092 } else if (orientation == CellLayout.PORTRAIT) { 3093 if (mPortraitCellLayoutMetrics == null) { 3094 Rect padding = grid.getWorkspacePadding(CellLayout.PORTRAIT); 3095 int width = constrainedShortEdge - padding.left - padding.right; 3096 int height = constrainedLongEdge - padding.top - padding.bottom; 3097 mPortraitCellLayoutMetrics = new Rect(); 3098 mPortraitCellLayoutMetrics.set( 3099 grid.calculateCellWidth(width, countX), 3100 grid.calculateCellHeight(height, countY), 0, 0); 3101 } 3102 return mPortraitCellLayoutMetrics; 3103 } 3104 return null; 3105 } 3106 3107 public void onDragExit(DragObject d) { 3108 mDragEnforcer.onDragExit(); 3109 3110 // Here we store the final page that will be dropped to, if the workspace in fact 3111 // receives the drop 3112 if (mInScrollArea) { 3113 if (isPageMoving()) { 3114 // If the user drops while the page is scrolling, we should use that page as the 3115 // destination instead of the page that is being hovered over. 3116 mDropToLayout = (CellLayout) getPageAt(getNextPage()); 3117 } else { 3118 mDropToLayout = mDragOverlappingLayout; 3119 } 3120 } else { 3121 mDropToLayout = mDragTargetLayout; 3122 } 3123 3124 if (mDragMode == DRAG_MODE_CREATE_FOLDER) { 3125 mCreateUserFolderOnDrop = true; 3126 } else if (mDragMode == DRAG_MODE_ADD_TO_FOLDER) { 3127 mAddToExistingFolderOnDrop = true; 3128 } 3129 3130 // Reset the scroll area and previous drag target 3131 onResetScrollArea(); 3132 setCurrentDropLayout(null); 3133 setCurrentDragOverlappingLayout(null); 3134 3135 mSpringLoadedDragController.cancel(); 3136 3137 if (!mIsPageMoving) { 3138 hideOutlines(); 3139 } 3140 } 3141 3142 void setCurrentDropLayout(CellLayout layout) { 3143 if (mDragTargetLayout != null) { 3144 mDragTargetLayout.revertTempState(); 3145 mDragTargetLayout.onDragExit(); 3146 } 3147 mDragTargetLayout = layout; 3148 if (mDragTargetLayout != null) { 3149 mDragTargetLayout.onDragEnter(); 3150 } 3151 cleanupReorder(true); 3152 cleanupFolderCreation(); 3153 setCurrentDropOverCell(-1, -1); 3154 } 3155 3156 void setCurrentDragOverlappingLayout(CellLayout layout) { 3157 if (mDragOverlappingLayout != null) { 3158 mDragOverlappingLayout.setIsDragOverlapping(false); 3159 } 3160 mDragOverlappingLayout = layout; 3161 if (mDragOverlappingLayout != null) { 3162 mDragOverlappingLayout.setIsDragOverlapping(true); 3163 } 3164 invalidate(); 3165 } 3166 3167 void setCurrentDropOverCell(int x, int y) { 3168 if (x != mDragOverX || y != mDragOverY) { 3169 mDragOverX = x; 3170 mDragOverY = y; 3171 setDragMode(DRAG_MODE_NONE); 3172 } 3173 } 3174 3175 void setDragMode(int dragMode) { 3176 if (dragMode != mDragMode) { 3177 if (dragMode == DRAG_MODE_NONE) { 3178 cleanupAddToFolder(); 3179 // We don't want to cancel the re-order alarm every time the target cell changes 3180 // as this feels to slow / unresponsive. 3181 cleanupReorder(false); 3182 cleanupFolderCreation(); 3183 } else if (dragMode == DRAG_MODE_ADD_TO_FOLDER) { 3184 cleanupReorder(true); 3185 cleanupFolderCreation(); 3186 } else if (dragMode == DRAG_MODE_CREATE_FOLDER) { 3187 cleanupAddToFolder(); 3188 cleanupReorder(true); 3189 } else if (dragMode == DRAG_MODE_REORDER) { 3190 cleanupAddToFolder(); 3191 cleanupFolderCreation(); 3192 } 3193 mDragMode = dragMode; 3194 } 3195 } 3196 3197 private void cleanupFolderCreation() { 3198 if (mDragFolderRingAnimator != null) { 3199 mDragFolderRingAnimator.animateToNaturalState(); 3200 mDragFolderRingAnimator = null; 3201 } 3202 mFolderCreationAlarm.setOnAlarmListener(null); 3203 mFolderCreationAlarm.cancelAlarm(); 3204 } 3205 3206 private void cleanupAddToFolder() { 3207 if (mDragOverFolderIcon != null) { 3208 mDragOverFolderIcon.onDragExit(null); 3209 mDragOverFolderIcon = null; 3210 } 3211 } 3212 3213 private void cleanupReorder(boolean cancelAlarm) { 3214 // Any pending reorders are canceled 3215 if (cancelAlarm) { 3216 mReorderAlarm.cancelAlarm(); 3217 } 3218 mLastReorderX = -1; 3219 mLastReorderY = -1; 3220 } 3221 3222 /* 3223 * 3224 * Convert the 2D coordinate xy from the parent View's coordinate space to this CellLayout's 3225 * coordinate space. The argument xy is modified with the return result. 3226 * 3227 * if cachedInverseMatrix is not null, this method will just use that matrix instead of 3228 * computing it itself; we use this to avoid redundant matrix inversions in 3229 * findMatchingPageForDragOver 3230 * 3231 */ 3232 void mapPointFromSelfToChild(View v, float[] xy, Matrix cachedInverseMatrix) { 3233 xy[0] = xy[0] - v.getLeft(); 3234 xy[1] = xy[1] - v.getTop(); 3235 } 3236 3237 boolean isPointInSelfOverHotseat(int x, int y, Rect r) { 3238 if (r == null) { 3239 r = new Rect(); 3240 } 3241 mTempPt[0] = x; 3242 mTempPt[1] = y; 3243 mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(this, mTempPt, true); 3244 3245 LauncherAppState app = LauncherAppState.getInstance(); 3246 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 3247 r = grid.getHotseatRect(); 3248 if (r.contains(mTempPt[0], mTempPt[1])) { 3249 return true; 3250 } 3251 return false; 3252 } 3253 3254 void mapPointFromSelfToHotseatLayout(Hotseat hotseat, float[] xy) { 3255 mTempPt[0] = (int) xy[0]; 3256 mTempPt[1] = (int) xy[1]; 3257 mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(this, mTempPt, true); 3258 mLauncher.getDragLayer().mapCoordInSelfToDescendent(hotseat.getLayout(), mTempPt); 3259 3260 xy[0] = mTempPt[0]; 3261 xy[1] = mTempPt[1]; 3262 } 3263 3264 /* 3265 * 3266 * Convert the 2D coordinate xy from this CellLayout's coordinate space to 3267 * the parent View's coordinate space. The argument xy is modified with the return result. 3268 * 3269 */ 3270 void mapPointFromChildToSelf(View v, float[] xy) { 3271 xy[0] += v.getLeft(); 3272 xy[1] += v.getTop(); 3273 } 3274 3275 static private float squaredDistance(float[] point1, float[] point2) { 3276 float distanceX = point1[0] - point2[0]; 3277 float distanceY = point2[1] - point2[1]; 3278 return distanceX * distanceX + distanceY * distanceY; 3279 } 3280 3281 /* 3282 * 3283 * This method returns the CellLayout that is currently being dragged to. In order to drag 3284 * to a CellLayout, either the touch point must be directly over the CellLayout, or as a second 3285 * strategy, we see if the dragView is overlapping any CellLayout and choose the closest one 3286 * 3287 * Return null if no CellLayout is currently being dragged over 3288 * 3289 */ 3290 private CellLayout findMatchingPageForDragOver( 3291 DragView dragView, float originX, float originY, boolean exact) { 3292 // We loop through all the screens (ie CellLayouts) and see which ones overlap 3293 // with the item being dragged and then choose the one that's closest to the touch point 3294 final int screenCount = getChildCount(); 3295 CellLayout bestMatchingScreen = null; 3296 float smallestDistSoFar = Float.MAX_VALUE; 3297 3298 for (int i = 0; i < screenCount; i++) { 3299 // The custom content screen is not a valid drag over option 3300 if (mScreenOrder.get(i) == CUSTOM_CONTENT_SCREEN_ID) { 3301 continue; 3302 } 3303 3304 CellLayout cl = (CellLayout) getChildAt(i); 3305 3306 final float[] touchXy = {originX, originY}; 3307 // Transform the touch coordinates to the CellLayout's local coordinates 3308 // If the touch point is within the bounds of the cell layout, we can return immediately 3309 cl.getMatrix().invert(mTempInverseMatrix); 3310 mapPointFromSelfToChild(cl, touchXy, mTempInverseMatrix); 3311 3312 if (touchXy[0] >= 0 && touchXy[0] <= cl.getWidth() && 3313 touchXy[1] >= 0 && touchXy[1] <= cl.getHeight()) { 3314 return cl; 3315 } 3316 3317 if (!exact) { 3318 // Get the center of the cell layout in screen coordinates 3319 final float[] cellLayoutCenter = mTempCellLayoutCenterCoordinates; 3320 cellLayoutCenter[0] = cl.getWidth()/2; 3321 cellLayoutCenter[1] = cl.getHeight()/2; 3322 mapPointFromChildToSelf(cl, cellLayoutCenter); 3323 3324 touchXy[0] = originX; 3325 touchXy[1] = originY; 3326 3327 // Calculate the distance between the center of the CellLayout 3328 // and the touch point 3329 float dist = squaredDistance(touchXy, cellLayoutCenter); 3330 3331 if (dist < smallestDistSoFar) { 3332 smallestDistSoFar = dist; 3333 bestMatchingScreen = cl; 3334 } 3335 } 3336 } 3337 return bestMatchingScreen; 3338 } 3339 3340 // This is used to compute the visual center of the dragView. This point is then 3341 // used to visualize drop locations and determine where to drop an item. The idea is that 3342 // the visual center represents the user's interpretation of where the item is, and hence 3343 // is the appropriate point to use when determining drop location. 3344 private float[] getDragViewVisualCenter(int x, int y, int xOffset, int yOffset, 3345 DragView dragView, float[] recycle) { 3346 float res[]; 3347 if (recycle == null) { 3348 res = new float[2]; 3349 } else { 3350 res = recycle; 3351 } 3352 3353 // First off, the drag view has been shifted in a way that is not represented in the 3354 // x and y values or the x/yOffsets. Here we account for that shift. 3355 x += getResources().getDimensionPixelSize(R.dimen.dragViewOffsetX); 3356 y += getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY); 3357 3358 // These represent the visual top and left of drag view if a dragRect was provided. 3359 // If a dragRect was not provided, then they correspond to the actual view left and 3360 // top, as the dragRect is in that case taken to be the entire dragView. 3361 // R.dimen.dragViewOffsetY. 3362 int left = x - xOffset; 3363 int top = y - yOffset; 3364 3365 // In order to find the visual center, we shift by half the dragRect 3366 res[0] = left + dragView.getDragRegion().width() / 2; 3367 res[1] = top + dragView.getDragRegion().height() / 2; 3368 3369 return res; 3370 } 3371 3372 private boolean isDragWidget(DragObject d) { 3373 return (d.dragInfo instanceof LauncherAppWidgetInfo || 3374 d.dragInfo instanceof PendingAddWidgetInfo); 3375 } 3376 private boolean isExternalDragWidget(DragObject d) { 3377 return d.dragSource != this && isDragWidget(d); 3378 } 3379 3380 public void onDragOver(DragObject d) { 3381 // Skip drag over events while we are dragging over side pages 3382 if (mInScrollArea || mIsSwitchingState || mState == State.SMALL) return; 3383 3384 Rect r = new Rect(); 3385 CellLayout layout = null; 3386 ItemInfo item = (ItemInfo) d.dragInfo; 3387 3388 // Ensure that we have proper spans for the item that we are dropping 3389 if (item.spanX < 0 || item.spanY < 0) throw new RuntimeException("Improper spans found"); 3390 mDragViewVisualCenter = getDragViewVisualCenter(d.x, d.y, d.xOffset, d.yOffset, 3391 d.dragView, mDragViewVisualCenter); 3392 3393 final View child = (mDragInfo == null) ? null : mDragInfo.cell; 3394 // Identify whether we have dragged over a side page 3395 if (isSmall()) { 3396 if (mLauncher.getHotseat() != null && !isExternalDragWidget(d)) { 3397 if (isPointInSelfOverHotseat(d.x, d.y, r)) { 3398 layout = mLauncher.getHotseat().getLayout(); 3399 } 3400 } 3401 if (layout == null) { 3402 layout = findMatchingPageForDragOver(d.dragView, d.x, d.y, false); 3403 } 3404 if (layout != mDragTargetLayout) { 3405 setCurrentDropLayout(layout); 3406 setCurrentDragOverlappingLayout(layout); 3407 3408 boolean isInSpringLoadedMode = (mState == State.SPRING_LOADED); 3409 if (isInSpringLoadedMode) { 3410 if (mLauncher.isHotseatLayout(layout)) { 3411 mSpringLoadedDragController.cancel(); 3412 } else { 3413 mSpringLoadedDragController.setAlarm(mDragTargetLayout); 3414 } 3415 } 3416 } 3417 } else { 3418 // Test to see if we are over the hotseat otherwise just use the current page 3419 if (mLauncher.getHotseat() != null && !isDragWidget(d)) { 3420 if (isPointInSelfOverHotseat(d.x, d.y, r)) { 3421 layout = mLauncher.getHotseat().getLayout(); 3422 } 3423 } 3424 if (layout == null) { 3425 layout = getCurrentDropLayout(); 3426 } 3427 if (layout != mDragTargetLayout) { 3428 setCurrentDropLayout(layout); 3429 setCurrentDragOverlappingLayout(layout); 3430 } 3431 } 3432 3433 // Handle the drag over 3434 if (mDragTargetLayout != null) { 3435 // We want the point to be mapped to the dragTarget. 3436 if (mLauncher.isHotseatLayout(mDragTargetLayout)) { 3437 mapPointFromSelfToHotseatLayout(mLauncher.getHotseat(), mDragViewVisualCenter); 3438 } else { 3439 mapPointFromSelfToChild(mDragTargetLayout, mDragViewVisualCenter, null); 3440 } 3441 3442 ItemInfo info = (ItemInfo) d.dragInfo; 3443 3444 int minSpanX = item.spanX; 3445 int minSpanY = item.spanY; 3446 if (item.minSpanX > 0 && item.minSpanY > 0) { 3447 minSpanX = item.minSpanX; 3448 minSpanY = item.minSpanY; 3449 } 3450 3451 mTargetCell = findNearestArea((int) mDragViewVisualCenter[0], 3452 (int) mDragViewVisualCenter[1], minSpanX, minSpanY, 3453 mDragTargetLayout, mTargetCell); 3454 int reorderX = mTargetCell[0]; 3455 int reorderY = mTargetCell[1]; 3456 3457 setCurrentDropOverCell(mTargetCell[0], mTargetCell[1]); 3458 3459 float targetCellDistance = mDragTargetLayout.getDistanceFromCell( 3460 mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell); 3461 3462 final View dragOverView = mDragTargetLayout.getChildAt(mTargetCell[0], 3463 mTargetCell[1]); 3464 3465 manageFolderFeedback(info, mDragTargetLayout, mTargetCell, 3466 targetCellDistance, dragOverView); 3467 3468 boolean nearestDropOccupied = mDragTargetLayout.isNearestDropLocationOccupied((int) 3469 mDragViewVisualCenter[0], (int) mDragViewVisualCenter[1], item.spanX, 3470 item.spanY, child, mTargetCell); 3471 3472 if (!nearestDropOccupied) { 3473 mDragTargetLayout.visualizeDropLocation(child, mDragOutline, 3474 (int) mDragViewVisualCenter[0], (int) mDragViewVisualCenter[1], 3475 mTargetCell[0], mTargetCell[1], item.spanX, item.spanY, false, 3476 d.dragView.getDragVisualizeOffset(), d.dragView.getDragRegion()); 3477 } else if ((mDragMode == DRAG_MODE_NONE || mDragMode == DRAG_MODE_REORDER) 3478 && !mReorderAlarm.alarmPending() && (mLastReorderX != reorderX || 3479 mLastReorderY != reorderY)) { 3480 3481 // Otherwise, if we aren't adding to or creating a folder and there's no pending 3482 // reorder, then we schedule a reorder 3483 ReorderAlarmListener listener = new ReorderAlarmListener(mDragViewVisualCenter, 3484 minSpanX, minSpanY, item.spanX, item.spanY, d.dragView, child); 3485 mReorderAlarm.setOnAlarmListener(listener); 3486 mReorderAlarm.setAlarm(REORDER_TIMEOUT); 3487 } 3488 3489 if (mDragMode == DRAG_MODE_CREATE_FOLDER || mDragMode == DRAG_MODE_ADD_TO_FOLDER || 3490 !nearestDropOccupied) { 3491 if (mDragTargetLayout != null) { 3492 mDragTargetLayout.revertTempState(); 3493 } 3494 } 3495 } 3496 } 3497 3498 private void manageFolderFeedback(ItemInfo info, CellLayout targetLayout, 3499 int[] targetCell, float distance, View dragOverView) { 3500 boolean userFolderPending = willCreateUserFolder(info, targetLayout, targetCell, distance, 3501 false); 3502 3503 if (mDragMode == DRAG_MODE_NONE && userFolderPending && 3504 !mFolderCreationAlarm.alarmPending()) { 3505 mFolderCreationAlarm.setOnAlarmListener(new 3506 FolderCreationAlarmListener(targetLayout, targetCell[0], targetCell[1])); 3507 mFolderCreationAlarm.setAlarm(FOLDER_CREATION_TIMEOUT); 3508 return; 3509 } 3510 3511 boolean willAddToFolder = 3512 willAddToExistingUserFolder(info, targetLayout, targetCell, distance); 3513 3514 if (willAddToFolder && mDragMode == DRAG_MODE_NONE) { 3515 mDragOverFolderIcon = ((FolderIcon) dragOverView); 3516 mDragOverFolderIcon.onDragEnter(info); 3517 if (targetLayout != null) { 3518 targetLayout.clearDragOutlines(); 3519 } 3520 setDragMode(DRAG_MODE_ADD_TO_FOLDER); 3521 return; 3522 } 3523 3524 if (mDragMode == DRAG_MODE_ADD_TO_FOLDER && !willAddToFolder) { 3525 setDragMode(DRAG_MODE_NONE); 3526 } 3527 if (mDragMode == DRAG_MODE_CREATE_FOLDER && !userFolderPending) { 3528 setDragMode(DRAG_MODE_NONE); 3529 } 3530 3531 return; 3532 } 3533 3534 class FolderCreationAlarmListener implements OnAlarmListener { 3535 CellLayout layout; 3536 int cellX; 3537 int cellY; 3538 3539 public FolderCreationAlarmListener(CellLayout layout, int cellX, int cellY) { 3540 this.layout = layout; 3541 this.cellX = cellX; 3542 this.cellY = cellY; 3543 } 3544 3545 public void onAlarm(Alarm alarm) { 3546 if (mDragFolderRingAnimator != null) { 3547 // This shouldn't happen ever, but just in case, make sure we clean up the mess. 3548 mDragFolderRingAnimator.animateToNaturalState(); 3549 } 3550 mDragFolderRingAnimator = new FolderRingAnimator(mLauncher, null); 3551 mDragFolderRingAnimator.setCell(cellX, cellY); 3552 mDragFolderRingAnimator.setCellLayout(layout); 3553 mDragFolderRingAnimator.animateToAcceptState(); 3554 layout.showFolderAccept(mDragFolderRingAnimator); 3555 layout.clearDragOutlines(); 3556 setDragMode(DRAG_MODE_CREATE_FOLDER); 3557 } 3558 } 3559 3560 class ReorderAlarmListener implements OnAlarmListener { 3561 float[] dragViewCenter; 3562 int minSpanX, minSpanY, spanX, spanY; 3563 DragView dragView; 3564 View child; 3565 3566 public ReorderAlarmListener(float[] dragViewCenter, int minSpanX, int minSpanY, int spanX, 3567 int spanY, DragView dragView, View child) { 3568 this.dragViewCenter = dragViewCenter; 3569 this.minSpanX = minSpanX; 3570 this.minSpanY = minSpanY; 3571 this.spanX = spanX; 3572 this.spanY = spanY; 3573 this.child = child; 3574 this.dragView = dragView; 3575 } 3576 3577 public void onAlarm(Alarm alarm) { 3578 int[] resultSpan = new int[2]; 3579 mTargetCell = findNearestArea((int) mDragViewVisualCenter[0], 3580 (int) mDragViewVisualCenter[1], minSpanX, minSpanY, mDragTargetLayout, 3581 mTargetCell); 3582 mLastReorderX = mTargetCell[0]; 3583 mLastReorderY = mTargetCell[1]; 3584 3585 mTargetCell = mDragTargetLayout.createArea((int) mDragViewVisualCenter[0], 3586 (int) mDragViewVisualCenter[1], minSpanX, minSpanY, spanX, spanY, 3587 child, mTargetCell, resultSpan, CellLayout.MODE_DRAG_OVER); 3588 3589 if (mTargetCell[0] < 0 || mTargetCell[1] < 0) { 3590 mDragTargetLayout.revertTempState(); 3591 } else { 3592 setDragMode(DRAG_MODE_REORDER); 3593 } 3594 3595 boolean resize = resultSpan[0] != spanX || resultSpan[1] != spanY; 3596 mDragTargetLayout.visualizeDropLocation(child, mDragOutline, 3597 (int) mDragViewVisualCenter[0], (int) mDragViewVisualCenter[1], 3598 mTargetCell[0], mTargetCell[1], resultSpan[0], resultSpan[1], resize, 3599 dragView.getDragVisualizeOffset(), dragView.getDragRegion()); 3600 } 3601 } 3602 3603 @Override 3604 public void getHitRectRelativeToDragLayer(Rect outRect) { 3605 // We want the workspace to have the whole area of the display (it will find the correct 3606 // cell layout to drop to in the existing drag/drop logic. 3607 mLauncher.getDragLayer().getDescendantRectRelativeToSelf(this, outRect); 3608 } 3609 3610 /** 3611 * Add the item specified by dragInfo to the given layout. 3612 * @return true if successful 3613 */ 3614 public boolean addExternalItemToScreen(ItemInfo dragInfo, CellLayout layout) { 3615 if (layout.findCellForSpan(mTempEstimate, dragInfo.spanX, dragInfo.spanY)) { 3616 onDropExternal(dragInfo.dropPos, (ItemInfo) dragInfo, (CellLayout) layout, false); 3617 return true; 3618 } 3619 mLauncher.showOutOfSpaceMessage(mLauncher.isHotseatLayout(layout)); 3620 return false; 3621 } 3622 3623 private void onDropExternal(int[] touchXY, Object dragInfo, 3624 CellLayout cellLayout, boolean insertAtFirst) { 3625 onDropExternal(touchXY, dragInfo, cellLayout, insertAtFirst, null); 3626 } 3627 3628 /** 3629 * Drop an item that didn't originate on one of the workspace screens. 3630 * It may have come from Launcher (e.g. from all apps or customize), or it may have 3631 * come from another app altogether. 3632 * 3633 * NOTE: This can also be called when we are outside of a drag event, when we want 3634 * to add an item to one of the workspace screens. 3635 */ 3636 private void onDropExternal(final int[] touchXY, final Object dragInfo, 3637 final CellLayout cellLayout, boolean insertAtFirst, DragObject d) { 3638 final Runnable exitSpringLoadedRunnable = new Runnable() { 3639 @Override 3640 public void run() { 3641 removeExtraEmptyScreen(false, new Runnable() { 3642 @Override 3643 public void run() { 3644 mLauncher.exitSpringLoadedDragModeDelayed(true, 3645 Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 3646 } 3647 }); 3648 } 3649 }; 3650 3651 ItemInfo info = (ItemInfo) dragInfo; 3652 int spanX = info.spanX; 3653 int spanY = info.spanY; 3654 if (mDragInfo != null) { 3655 spanX = mDragInfo.spanX; 3656 spanY = mDragInfo.spanY; 3657 } 3658 3659 final long container = mLauncher.isHotseatLayout(cellLayout) ? 3660 LauncherSettings.Favorites.CONTAINER_HOTSEAT : 3661 LauncherSettings.Favorites.CONTAINER_DESKTOP; 3662 final long screenId = getIdForScreen(cellLayout); 3663 if (!mLauncher.isHotseatLayout(cellLayout) 3664 && screenId != getScreenIdForPageIndex(mCurrentPage) 3665 && mState != State.SPRING_LOADED) { 3666 snapToScreenId(screenId, null); 3667 } 3668 3669 if (info instanceof PendingAddItemInfo) { 3670 final PendingAddItemInfo pendingInfo = (PendingAddItemInfo) dragInfo; 3671 3672 boolean findNearestVacantCell = true; 3673 if (pendingInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) { 3674 mTargetCell = findNearestArea((int) touchXY[0], (int) touchXY[1], spanX, spanY, 3675 cellLayout, mTargetCell); 3676 float distance = cellLayout.getDistanceFromCell(mDragViewVisualCenter[0], 3677 mDragViewVisualCenter[1], mTargetCell); 3678 if (willCreateUserFolder((ItemInfo) d.dragInfo, cellLayout, mTargetCell, 3679 distance, true) || willAddToExistingUserFolder((ItemInfo) d.dragInfo, 3680 cellLayout, mTargetCell, distance)) { 3681 findNearestVacantCell = false; 3682 } 3683 } 3684 3685 final ItemInfo item = (ItemInfo) d.dragInfo; 3686 boolean updateWidgetSize = false; 3687 if (findNearestVacantCell) { 3688 int minSpanX = item.spanX; 3689 int minSpanY = item.spanY; 3690 if (item.minSpanX > 0 && item.minSpanY > 0) { 3691 minSpanX = item.minSpanX; 3692 minSpanY = item.minSpanY; 3693 } 3694 int[] resultSpan = new int[2]; 3695 mTargetCell = cellLayout.createArea((int) mDragViewVisualCenter[0], 3696 (int) mDragViewVisualCenter[1], minSpanX, minSpanY, info.spanX, info.spanY, 3697 null, mTargetCell, resultSpan, CellLayout.MODE_ON_DROP_EXTERNAL); 3698 3699 if (resultSpan[0] != item.spanX || resultSpan[1] != item.spanY) { 3700 updateWidgetSize = true; 3701 } 3702 item.spanX = resultSpan[0]; 3703 item.spanY = resultSpan[1]; 3704 } 3705 3706 Runnable onAnimationCompleteRunnable = new Runnable() { 3707 @Override 3708 public void run() { 3709 // When dragging and dropping from customization tray, we deal with creating 3710 // widgets/shortcuts/folders in a slightly different way 3711 switch (pendingInfo.itemType) { 3712 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 3713 int span[] = new int[2]; 3714 span[0] = item.spanX; 3715 span[1] = item.spanY; 3716 mLauncher.addAppWidgetFromDrop((PendingAddWidgetInfo) pendingInfo, 3717 container, screenId, mTargetCell, span, null); 3718 break; 3719 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 3720 mLauncher.processShortcutFromDrop(pendingInfo.componentName, 3721 container, screenId, mTargetCell, null); 3722 break; 3723 default: 3724 throw new IllegalStateException("Unknown item type: " + 3725 pendingInfo.itemType); 3726 } 3727 } 3728 }; 3729 View finalView = pendingInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET 3730 ? ((PendingAddWidgetInfo) pendingInfo).boundWidget : null; 3731 3732 if (finalView instanceof AppWidgetHostView && updateWidgetSize) { 3733 AppWidgetHostView awhv = (AppWidgetHostView) finalView; 3734 AppWidgetResizeFrame.updateWidgetSizeRanges(awhv, mLauncher, item.spanX, 3735 item.spanY); 3736 } 3737 3738 int animationStyle = ANIMATE_INTO_POSITION_AND_DISAPPEAR; 3739 if (pendingInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET && 3740 ((PendingAddWidgetInfo) pendingInfo).info.configure != null) { 3741 animationStyle = ANIMATE_INTO_POSITION_AND_REMAIN; 3742 } 3743 animateWidgetDrop(info, cellLayout, d.dragView, onAnimationCompleteRunnable, 3744 animationStyle, finalView, true); 3745 } else { 3746 // This is for other drag/drop cases, like dragging from All Apps 3747 View view = null; 3748 3749 switch (info.itemType) { 3750 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 3751 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 3752 if (info.container == NO_ID && info instanceof AppInfo) { 3753 // Came from all apps -- make a copy 3754 info = new ShortcutInfo((AppInfo) info); 3755 } 3756 view = mLauncher.createShortcut(R.layout.application, cellLayout, 3757 (ShortcutInfo) info); 3758 break; 3759 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 3760 view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher, cellLayout, 3761 (FolderInfo) info, mIconCache); 3762 break; 3763 default: 3764 throw new IllegalStateException("Unknown item type: " + info.itemType); 3765 } 3766 3767 // First we find the cell nearest to point at which the item is 3768 // dropped, without any consideration to whether there is an item there. 3769 if (touchXY != null) { 3770 mTargetCell = findNearestArea((int) touchXY[0], (int) touchXY[1], spanX, spanY, 3771 cellLayout, mTargetCell); 3772 float distance = cellLayout.getDistanceFromCell(mDragViewVisualCenter[0], 3773 mDragViewVisualCenter[1], mTargetCell); 3774 d.postAnimationRunnable = exitSpringLoadedRunnable; 3775 if (createUserFolderIfNecessary(view, container, cellLayout, mTargetCell, distance, 3776 true, d.dragView, d.postAnimationRunnable)) { 3777 return; 3778 } 3779 if (addToExistingFolderIfNecessary(view, cellLayout, mTargetCell, distance, d, 3780 true)) { 3781 return; 3782 } 3783 } 3784 3785 if (touchXY != null) { 3786 // when dragging and dropping, just find the closest free spot 3787 mTargetCell = cellLayout.createArea((int) mDragViewVisualCenter[0], 3788 (int) mDragViewVisualCenter[1], 1, 1, 1, 1, 3789 null, mTargetCell, null, CellLayout.MODE_ON_DROP_EXTERNAL); 3790 } else { 3791 cellLayout.findCellForSpan(mTargetCell, 1, 1); 3792 } 3793 addInScreen(view, container, screenId, mTargetCell[0], mTargetCell[1], info.spanX, 3794 info.spanY, insertAtFirst); 3795 cellLayout.onDropChild(view); 3796 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams(); 3797 cellLayout.getShortcutsAndWidgets().measureChild(view); 3798 3799 LauncherModel.addOrMoveItemInDatabase(mLauncher, info, container, screenId, 3800 lp.cellX, lp.cellY); 3801 3802 if (d.dragView != null) { 3803 // We wrap the animation call in the temporary set and reset of the current 3804 // cellLayout to its final transform -- this means we animate the drag view to 3805 // the correct final location. 3806 setFinalTransitionTransform(cellLayout); 3807 mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, view, 3808 exitSpringLoadedRunnable, this); 3809 resetTransitionTransform(cellLayout); 3810 } 3811 } 3812 } 3813 3814 public Bitmap createWidgetBitmap(ItemInfo widgetInfo, View layout) { 3815 int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(widgetInfo.spanX, 3816 widgetInfo.spanY, widgetInfo, false); 3817 int visibility = layout.getVisibility(); 3818 layout.setVisibility(VISIBLE); 3819 3820 int width = MeasureSpec.makeMeasureSpec(unScaledSize[0], MeasureSpec.EXACTLY); 3821 int height = MeasureSpec.makeMeasureSpec(unScaledSize[1], MeasureSpec.EXACTLY); 3822 Bitmap b = Bitmap.createBitmap(unScaledSize[0], unScaledSize[1], 3823 Bitmap.Config.ARGB_8888); 3824 Canvas c = new Canvas(b); 3825 3826 layout.measure(width, height); 3827 layout.layout(0, 0, unScaledSize[0], unScaledSize[1]); 3828 layout.draw(c); 3829 c.setBitmap(null); 3830 layout.setVisibility(visibility); 3831 return b; 3832 } 3833 3834 private void getFinalPositionForDropAnimation(int[] loc, float[] scaleXY, 3835 DragView dragView, CellLayout layout, ItemInfo info, int[] targetCell, 3836 boolean external, boolean scale) { 3837 // Now we animate the dragView, (ie. the widget or shortcut preview) into its final 3838 // location and size on the home screen. 3839 int spanX = info.spanX; 3840 int spanY = info.spanY; 3841 3842 Rect r = estimateItemPosition(layout, info, targetCell[0], targetCell[1], spanX, spanY); 3843 loc[0] = r.left; 3844 loc[1] = r.top; 3845 3846 setFinalTransitionTransform(layout); 3847 float cellLayoutScale = 3848 mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(layout, loc, true); 3849 resetTransitionTransform(layout); 3850 3851 float dragViewScaleX; 3852 float dragViewScaleY; 3853 if (scale) { 3854 dragViewScaleX = (1.0f * r.width()) / dragView.getMeasuredWidth(); 3855 dragViewScaleY = (1.0f * r.height()) / dragView.getMeasuredHeight(); 3856 } else { 3857 dragViewScaleX = 1f; 3858 dragViewScaleY = 1f; 3859 } 3860 3861 // The animation will scale the dragView about its center, so we need to center about 3862 // the final location. 3863 loc[0] -= (dragView.getMeasuredWidth() - cellLayoutScale * r.width()) / 2; 3864 loc[1] -= (dragView.getMeasuredHeight() - cellLayoutScale * r.height()) / 2; 3865 3866 scaleXY[0] = dragViewScaleX * cellLayoutScale; 3867 scaleXY[1] = dragViewScaleY * cellLayoutScale; 3868 } 3869 3870 public void animateWidgetDrop(ItemInfo info, CellLayout cellLayout, DragView dragView, 3871 final Runnable onCompleteRunnable, int animationType, final View finalView, 3872 boolean external) { 3873 Rect from = new Rect(); 3874 mLauncher.getDragLayer().getViewRectRelativeToSelf(dragView, from); 3875 3876 int[] finalPos = new int[2]; 3877 float scaleXY[] = new float[2]; 3878 boolean scalePreview = !(info instanceof PendingAddShortcutInfo); 3879 getFinalPositionForDropAnimation(finalPos, scaleXY, dragView, cellLayout, info, mTargetCell, 3880 external, scalePreview); 3881 3882 Resources res = mLauncher.getResources(); 3883 final int duration = res.getInteger(R.integer.config_dropAnimMaxDuration) - 200; 3884 3885 // In the case where we've prebound the widget, we remove it from the DragLayer 3886 if (finalView instanceof AppWidgetHostView && external) { 3887 Log.d(TAG, "6557954 Animate widget drop, final view is appWidgetHostView"); 3888 mLauncher.getDragLayer().removeView(finalView); 3889 } 3890 if ((animationType == ANIMATE_INTO_POSITION_AND_RESIZE || external) && finalView != null) { 3891 Bitmap crossFadeBitmap = createWidgetBitmap(info, finalView); 3892 dragView.setCrossFadeBitmap(crossFadeBitmap); 3893 dragView.crossFade((int) (duration * 0.8f)); 3894 } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET && external) { 3895 scaleXY[0] = scaleXY[1] = Math.min(scaleXY[0], scaleXY[1]); 3896 } 3897 3898 DragLayer dragLayer = mLauncher.getDragLayer(); 3899 if (animationType == CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION) { 3900 mLauncher.getDragLayer().animateViewIntoPosition(dragView, finalPos, 0f, 0.1f, 0.1f, 3901 DragLayer.ANIMATION_END_DISAPPEAR, onCompleteRunnable, duration); 3902 } else { 3903 int endStyle; 3904 if (animationType == ANIMATE_INTO_POSITION_AND_REMAIN) { 3905 endStyle = DragLayer.ANIMATION_END_REMAIN_VISIBLE; 3906 } else { 3907 endStyle = DragLayer.ANIMATION_END_DISAPPEAR;; 3908 } 3909 3910 Runnable onComplete = new Runnable() { 3911 @Override 3912 public void run() { 3913 if (finalView != null) { 3914 finalView.setVisibility(VISIBLE); 3915 } 3916 if (onCompleteRunnable != null) { 3917 onCompleteRunnable.run(); 3918 } 3919 } 3920 }; 3921 dragLayer.animateViewIntoPosition(dragView, from.left, from.top, finalPos[0], 3922 finalPos[1], 1, 1, 1, scaleXY[0], scaleXY[1], onComplete, endStyle, 3923 duration, this); 3924 } 3925 } 3926 3927 public void setFinalTransitionTransform(CellLayout layout) { 3928 if (isSwitchingState()) { 3929 mCurrentScale = getScaleX(); 3930 setScaleX(mNewScale); 3931 setScaleY(mNewScale); 3932 } 3933 } 3934 public void resetTransitionTransform(CellLayout layout) { 3935 if (isSwitchingState()) { 3936 setScaleX(mCurrentScale); 3937 setScaleY(mCurrentScale); 3938 } 3939 } 3940 3941 /** 3942 * Return the current {@link CellLayout}, correctly picking the destination 3943 * screen while a scroll is in progress. 3944 */ 3945 public CellLayout getCurrentDropLayout() { 3946 return (CellLayout) getChildAt(getNextPage()); 3947 } 3948 3949 /** 3950 * Return the current CellInfo describing our current drag; this method exists 3951 * so that Launcher can sync this object with the correct info when the activity is created/ 3952 * destroyed 3953 * 3954 */ 3955 public CellLayout.CellInfo getDragInfo() { 3956 return mDragInfo; 3957 } 3958 3959 public int getCurrentPageOffsetFromCustomContent() { 3960 return getNextPage() - numCustomPages(); 3961 } 3962 3963 /** 3964 * Calculate the nearest cell where the given object would be dropped. 3965 * 3966 * pixelX and pixelY should be in the coordinate system of layout 3967 */ 3968 private int[] findNearestArea(int pixelX, int pixelY, 3969 int spanX, int spanY, CellLayout layout, int[] recycle) { 3970 return layout.findNearestArea( 3971 pixelX, pixelY, spanX, spanY, recycle); 3972 } 3973 3974 void setup(DragController dragController) { 3975 mSpringLoadedDragController = new SpringLoadedDragController(mLauncher); 3976 mDragController = dragController; 3977 3978 // hardware layers on children are enabled on startup, but should be disabled until 3979 // needed 3980 updateChildrenLayersEnabled(false); 3981 setWallpaperDimension(); 3982 } 3983 3984 /** 3985 * Called at the end of a drag which originated on the workspace. 3986 */ 3987 public void onDropCompleted(final View target, final DragObject d, 3988 final boolean isFlingToDelete, final boolean success) { 3989 if (mDeferDropAfterUninstall) { 3990 mDeferredAction = new Runnable() { 3991 public void run() { 3992 onDropCompleted(target, d, isFlingToDelete, success); 3993 mDeferredAction = null; 3994 } 3995 }; 3996 return; 3997 } 3998 3999 boolean beingCalledAfterUninstall = mDeferredAction != null; 4000 4001 if (success && !(beingCalledAfterUninstall && !mUninstallSuccessful)) { 4002 if (target != this && mDragInfo != null) { 4003 CellLayout parentCell = getParentCellLayoutForView(mDragInfo.cell); 4004 if (parentCell != null) { 4005 parentCell.removeView(mDragInfo.cell); 4006 } 4007 if (mDragInfo.cell instanceof DropTarget) { 4008 mDragController.removeDropTarget((DropTarget) mDragInfo.cell); 4009 } 4010 // If we move the item to anything not on the Workspace, check if any empty 4011 // screens need to be removed. If we dropped back on the workspace, this will 4012 // be done post drop animation. 4013 removeExtraEmptyScreen(true, null, 0, true); 4014 } 4015 } else if (mDragInfo != null) { 4016 CellLayout cellLayout; 4017 if (mLauncher.isHotseatLayout(target)) { 4018 cellLayout = mLauncher.getHotseat().getLayout(); 4019 } else { 4020 cellLayout = getScreenWithId(mDragInfo.screenId); 4021 } 4022 cellLayout.onDropChild(mDragInfo.cell); 4023 } 4024 if ((d.cancelled || (beingCalledAfterUninstall && !mUninstallSuccessful)) 4025 && mDragInfo.cell != null) { 4026 mDragInfo.cell.setVisibility(VISIBLE); 4027 } 4028 mDragOutline = null; 4029 mDragInfo = null; 4030 } 4031 4032 public void deferCompleteDropAfterUninstallActivity() { 4033 mDeferDropAfterUninstall = true; 4034 } 4035 4036 /// maybe move this into a smaller part 4037 public void onUninstallActivityReturned(boolean success) { 4038 mDeferDropAfterUninstall = false; 4039 mUninstallSuccessful = success; 4040 if (mDeferredAction != null) { 4041 mDeferredAction.run(); 4042 } 4043 } 4044 4045 void updateItemLocationsInDatabase(CellLayout cl) { 4046 int count = cl.getShortcutsAndWidgets().getChildCount(); 4047 4048 long screenId = getIdForScreen(cl); 4049 int container = Favorites.CONTAINER_DESKTOP; 4050 4051 if (mLauncher.isHotseatLayout(cl)) { 4052 screenId = -1; 4053 container = Favorites.CONTAINER_HOTSEAT; 4054 } 4055 4056 for (int i = 0; i < count; i++) { 4057 View v = cl.getShortcutsAndWidgets().getChildAt(i); 4058 ItemInfo info = (ItemInfo) v.getTag(); 4059 // Null check required as the AllApps button doesn't have an item info 4060 if (info != null && info.requiresDbUpdate) { 4061 info.requiresDbUpdate = false; 4062 LauncherModel.modifyItemInDatabase(mLauncher, info, container, screenId, info.cellX, 4063 info.cellY, info.spanX, info.spanY); 4064 } 4065 } 4066 } 4067 4068 ArrayList<ComponentName> getUniqueComponents(boolean stripDuplicates, ArrayList<ComponentName> duplicates) { 4069 ArrayList<ComponentName> uniqueIntents = new ArrayList<ComponentName>(); 4070 getUniqueIntents((CellLayout) mLauncher.getHotseat().getLayout(), uniqueIntents, duplicates, false); 4071 int count = getChildCount(); 4072 for (int i = 0; i < count; i++) { 4073 CellLayout cl = (CellLayout) getChildAt(i); 4074 getUniqueIntents(cl, uniqueIntents, duplicates, false); 4075 } 4076 return uniqueIntents; 4077 } 4078 4079 void getUniqueIntents(CellLayout cl, ArrayList<ComponentName> uniqueIntents, 4080 ArrayList<ComponentName> duplicates, boolean stripDuplicates) { 4081 int count = cl.getShortcutsAndWidgets().getChildCount(); 4082 4083 ArrayList<View> children = new ArrayList<View>(); 4084 for (int i = 0; i < count; i++) { 4085 View v = cl.getShortcutsAndWidgets().getChildAt(i); 4086 children.add(v); 4087 } 4088 4089 for (int i = 0; i < count; i++) { 4090 View v = children.get(i); 4091 ItemInfo info = (ItemInfo) v.getTag(); 4092 // Null check required as the AllApps button doesn't have an item info 4093 if (info instanceof ShortcutInfo) { 4094 ShortcutInfo si = (ShortcutInfo) info; 4095 ComponentName cn = si.intent.getComponent(); 4096 4097 Uri dataUri = si.intent.getData(); 4098 // If dataUri is not null / empty or if this component isn't one that would 4099 // have previously showed up in the AllApps list, then this is a widget-type 4100 // shortcut, so ignore it. 4101 if (dataUri != null && !dataUri.equals(Uri.EMPTY)) { 4102 continue; 4103 } 4104 4105 if (!uniqueIntents.contains(cn)) { 4106 uniqueIntents.add(cn); 4107 } else { 4108 if (stripDuplicates) { 4109 cl.removeViewInLayout(v); 4110 LauncherModel.deleteItemFromDatabase(mLauncher, si); 4111 } 4112 if (duplicates != null) { 4113 duplicates.add(cn); 4114 } 4115 } 4116 } 4117 if (v instanceof FolderIcon) { 4118 FolderIcon fi = (FolderIcon) v; 4119 ArrayList<View> items = fi.getFolder().getItemsInReadingOrder(); 4120 for (int j = 0; j < items.size(); j++) { 4121 if (items.get(j).getTag() instanceof ShortcutInfo) { 4122 ShortcutInfo si = (ShortcutInfo) items.get(j).getTag(); 4123 ComponentName cn = si.intent.getComponent(); 4124 4125 Uri dataUri = si.intent.getData(); 4126 // If dataUri is not null / empty or if this component isn't one that would 4127 // have previously showed up in the AllApps list, then this is a widget-type 4128 // shortcut, so ignore it. 4129 if (dataUri != null && !dataUri.equals(Uri.EMPTY)) { 4130 continue; 4131 } 4132 4133 if (!uniqueIntents.contains(cn)) { 4134 uniqueIntents.add(cn); 4135 } else { 4136 if (stripDuplicates) { 4137 fi.getFolderInfo().remove(si); 4138 LauncherModel.deleteItemFromDatabase(mLauncher, si); 4139 } 4140 if (duplicates != null) { 4141 duplicates.add(cn); 4142 } 4143 } 4144 } 4145 } 4146 } 4147 } 4148 } 4149 4150 void saveWorkspaceToDb() { 4151 saveWorkspaceScreenToDb((CellLayout) mLauncher.getHotseat().getLayout()); 4152 int count = getChildCount(); 4153 for (int i = 0; i < count; i++) { 4154 CellLayout cl = (CellLayout) getChildAt(i); 4155 saveWorkspaceScreenToDb(cl); 4156 } 4157 } 4158 4159 void saveWorkspaceScreenToDb(CellLayout cl) { 4160 int count = cl.getShortcutsAndWidgets().getChildCount(); 4161 4162 long screenId = getIdForScreen(cl); 4163 int container = Favorites.CONTAINER_DESKTOP; 4164 4165 Hotseat hotseat = mLauncher.getHotseat(); 4166 if (mLauncher.isHotseatLayout(cl)) { 4167 screenId = -1; 4168 container = Favorites.CONTAINER_HOTSEAT; 4169 } 4170 4171 for (int i = 0; i < count; i++) { 4172 View v = cl.getShortcutsAndWidgets().getChildAt(i); 4173 ItemInfo info = (ItemInfo) v.getTag(); 4174 // Null check required as the AllApps button doesn't have an item info 4175 if (info != null) { 4176 int cellX = info.cellX; 4177 int cellY = info.cellY; 4178 if (container == Favorites.CONTAINER_HOTSEAT) { 4179 cellX = hotseat.getCellXFromOrder((int) info.screenId); 4180 cellY = hotseat.getCellYFromOrder((int) info.screenId); 4181 } 4182 LauncherModel.addItemToDatabase(mLauncher, info, container, screenId, cellX, 4183 cellY, false); 4184 } 4185 if (v instanceof FolderIcon) { 4186 FolderIcon fi = (FolderIcon) v; 4187 fi.getFolder().addItemLocationsInDatabase(); 4188 } 4189 } 4190 } 4191 4192 @Override 4193 public float getIntrinsicIconScaleFactor() { 4194 return 1f; 4195 } 4196 4197 @Override 4198 public boolean supportsFlingToDelete() { 4199 return true; 4200 } 4201 4202 @Override 4203 public void onFlingToDelete(DragObject d, int x, int y, PointF vec) { 4204 // Do nothing 4205 } 4206 4207 @Override 4208 public void onFlingToDeleteCompleted() { 4209 // Do nothing 4210 } 4211 4212 public boolean isDropEnabled() { 4213 return true; 4214 } 4215 4216 @Override 4217 protected void onRestoreInstanceState(Parcelable state) { 4218 super.onRestoreInstanceState(state); 4219 Launcher.setScreen(mCurrentPage); 4220 } 4221 4222 @Override 4223 protected void dispatchRestoreInstanceState(SparseArray<Parcelable> container) { 4224 // We don't dispatch restoreInstanceState to our children using this code path. 4225 // Some pages will be restored immediately as their items are bound immediately, and 4226 // others we will need to wait until after their items are bound. 4227 mSavedStates = container; 4228 } 4229 4230 public void restoreInstanceStateForChild(int child) { 4231 if (mSavedStates != null) { 4232 mRestoredPages.add(child); 4233 CellLayout cl = (CellLayout) getChildAt(child); 4234 cl.restoreInstanceState(mSavedStates); 4235 } 4236 } 4237 4238 public void restoreInstanceStateForRemainingPages() { 4239 int count = getChildCount(); 4240 for (int i = 0; i < count; i++) { 4241 if (!mRestoredPages.contains(i)) { 4242 restoreInstanceStateForChild(i); 4243 } 4244 } 4245 mRestoredPages.clear(); 4246 mSavedStates = null; 4247 } 4248 4249 @Override 4250 public void scrollLeft() { 4251 if (!isSmall() && !mIsSwitchingState) { 4252 super.scrollLeft(); 4253 } 4254 Folder openFolder = getOpenFolder(); 4255 if (openFolder != null) { 4256 openFolder.completeDragExit(); 4257 } 4258 } 4259 4260 @Override 4261 public void scrollRight() { 4262 if (!isSmall() && !mIsSwitchingState) { 4263 super.scrollRight(); 4264 } 4265 Folder openFolder = getOpenFolder(); 4266 if (openFolder != null) { 4267 openFolder.completeDragExit(); 4268 } 4269 } 4270 4271 @Override 4272 public boolean onEnterScrollArea(int x, int y, int direction) { 4273 // Ignore the scroll area if we are dragging over the hot seat 4274 boolean isPortrait = !LauncherAppState.isScreenLandscape(getContext()); 4275 if (mLauncher.getHotseat() != null && isPortrait) { 4276 Rect r = new Rect(); 4277 mLauncher.getHotseat().getHitRect(r); 4278 if (r.contains(x, y)) { 4279 return false; 4280 } 4281 } 4282 4283 boolean result = false; 4284 if (!isSmall() && !mIsSwitchingState && getOpenFolder() == null) { 4285 mInScrollArea = true; 4286 4287 final int page = getNextPage() + 4288 (direction == DragController.SCROLL_LEFT ? -1 : 1); 4289 // We always want to exit the current layout to ensure parity of enter / exit 4290 setCurrentDropLayout(null); 4291 4292 if (0 <= page && page < getChildCount()) { 4293 // Ensure that we are not dragging over to the custom content screen 4294 if (getScreenIdForPageIndex(page) == CUSTOM_CONTENT_SCREEN_ID) { 4295 return false; 4296 } 4297 4298 CellLayout layout = (CellLayout) getChildAt(page); 4299 setCurrentDragOverlappingLayout(layout); 4300 4301 // Workspace is responsible for drawing the edge glow on adjacent pages, 4302 // so we need to redraw the workspace when this may have changed. 4303 invalidate(); 4304 result = true; 4305 } 4306 } 4307 return result; 4308 } 4309 4310 @Override 4311 public boolean onExitScrollArea() { 4312 boolean result = false; 4313 if (mInScrollArea) { 4314 invalidate(); 4315 CellLayout layout = getCurrentDropLayout(); 4316 setCurrentDropLayout(layout); 4317 setCurrentDragOverlappingLayout(layout); 4318 4319 result = true; 4320 mInScrollArea = false; 4321 } 4322 return result; 4323 } 4324 4325 private void onResetScrollArea() { 4326 setCurrentDragOverlappingLayout(null); 4327 mInScrollArea = false; 4328 } 4329 4330 /** 4331 * Returns a specific CellLayout 4332 */ 4333 CellLayout getParentCellLayoutForView(View v) { 4334 ArrayList<CellLayout> layouts = getWorkspaceAndHotseatCellLayouts(); 4335 for (CellLayout layout : layouts) { 4336 if (layout.getShortcutsAndWidgets().indexOfChild(v) > -1) { 4337 return layout; 4338 } 4339 } 4340 return null; 4341 } 4342 4343 /** 4344 * Returns a list of all the CellLayouts in the workspace. 4345 */ 4346 ArrayList<CellLayout> getWorkspaceAndHotseatCellLayouts() { 4347 ArrayList<CellLayout> layouts = new ArrayList<CellLayout>(); 4348 int screenCount = getChildCount(); 4349 for (int screen = 0; screen < screenCount; screen++) { 4350 layouts.add(((CellLayout) getChildAt(screen))); 4351 } 4352 if (mLauncher.getHotseat() != null) { 4353 layouts.add(mLauncher.getHotseat().getLayout()); 4354 } 4355 return layouts; 4356 } 4357 4358 /** 4359 * We should only use this to search for specific children. Do not use this method to modify 4360 * ShortcutsAndWidgetsContainer directly. Includes ShortcutAndWidgetContainers from 4361 * the hotseat and workspace pages 4362 */ 4363 ArrayList<ShortcutAndWidgetContainer> getAllShortcutAndWidgetContainers() { 4364 ArrayList<ShortcutAndWidgetContainer> childrenLayouts = 4365 new ArrayList<ShortcutAndWidgetContainer>(); 4366 int screenCount = getChildCount(); 4367 for (int screen = 0; screen < screenCount; screen++) { 4368 childrenLayouts.add(((CellLayout) getChildAt(screen)).getShortcutsAndWidgets()); 4369 } 4370 if (mLauncher.getHotseat() != null) { 4371 childrenLayouts.add(mLauncher.getHotseat().getLayout().getShortcutsAndWidgets()); 4372 } 4373 return childrenLayouts; 4374 } 4375 4376 public Folder getFolderForTag(Object tag) { 4377 ArrayList<ShortcutAndWidgetContainer> childrenLayouts = 4378 getAllShortcutAndWidgetContainers(); 4379 for (ShortcutAndWidgetContainer layout: childrenLayouts) { 4380 int count = layout.getChildCount(); 4381 for (int i = 0; i < count; i++) { 4382 View child = layout.getChildAt(i); 4383 if (child instanceof Folder) { 4384 Folder f = (Folder) child; 4385 if (f.getInfo() == tag && f.getInfo().opened) { 4386 return f; 4387 } 4388 } 4389 } 4390 } 4391 return null; 4392 } 4393 4394 public View getViewForTag(Object tag) { 4395 ArrayList<ShortcutAndWidgetContainer> childrenLayouts = 4396 getAllShortcutAndWidgetContainers(); 4397 for (ShortcutAndWidgetContainer layout: childrenLayouts) { 4398 int count = layout.getChildCount(); 4399 for (int i = 0; i < count; i++) { 4400 View child = layout.getChildAt(i); 4401 if (child.getTag() == tag) { 4402 return child; 4403 } 4404 } 4405 } 4406 return null; 4407 } 4408 4409 void clearDropTargets() { 4410 ArrayList<ShortcutAndWidgetContainer> childrenLayouts = 4411 getAllShortcutAndWidgetContainers(); 4412 for (ShortcutAndWidgetContainer layout: childrenLayouts) { 4413 int childCount = layout.getChildCount(); 4414 for (int j = 0; j < childCount; j++) { 4415 View v = layout.getChildAt(j); 4416 if (v instanceof DropTarget) { 4417 mDragController.removeDropTarget((DropTarget) v); 4418 } 4419 } 4420 } 4421 } 4422 4423 // Removes ALL items that match a given package name, this is usually called when a package 4424 // has been removed and we want to remove all components (widgets, shortcuts, apps) that 4425 // belong to that package. 4426 void removeItemsByPackageName(final ArrayList<String> packages) { 4427 final HashSet<String> packageNames = new HashSet<String>(); 4428 packageNames.addAll(packages); 4429 4430 // Filter out all the ItemInfos that this is going to affect 4431 final HashSet<ItemInfo> infos = new HashSet<ItemInfo>(); 4432 final HashSet<ComponentName> cns = new HashSet<ComponentName>(); 4433 ArrayList<CellLayout> cellLayouts = getWorkspaceAndHotseatCellLayouts(); 4434 for (CellLayout layoutParent : cellLayouts) { 4435 ViewGroup layout = layoutParent.getShortcutsAndWidgets(); 4436 int childCount = layout.getChildCount(); 4437 for (int i = 0; i < childCount; ++i) { 4438 View view = layout.getChildAt(i); 4439 infos.add((ItemInfo) view.getTag()); 4440 } 4441 } 4442 LauncherModel.ItemInfoFilter filter = new LauncherModel.ItemInfoFilter() { 4443 @Override 4444 public boolean filterItem(ItemInfo parent, ItemInfo info, 4445 ComponentName cn) { 4446 if (packageNames.contains(cn.getPackageName())) { 4447 cns.add(cn); 4448 return true; 4449 } 4450 return false; 4451 } 4452 }; 4453 LauncherModel.filterItemInfos(infos, filter); 4454 4455 // Remove the affected components 4456 removeItemsByComponentName(cns); 4457 } 4458 4459 // Removes items that match the application info specified, when applications are removed 4460 // as a part of an update, this is called to ensure that other widgets and application 4461 // shortcuts are not removed. 4462 void removeItemsByApplicationInfo(final ArrayList<AppInfo> appInfos) { 4463 // Just create a hash table of all the specific components that this will affect 4464 HashSet<ComponentName> cns = new HashSet<ComponentName>(); 4465 for (AppInfo info : appInfos) { 4466 cns.add(info.componentName); 4467 } 4468 4469 // Remove all the things 4470 removeItemsByComponentName(cns); 4471 } 4472 4473 void removeItemsByComponentName(final HashSet<ComponentName> componentNames) { 4474 ArrayList<CellLayout> cellLayouts = getWorkspaceAndHotseatCellLayouts(); 4475 for (final CellLayout layoutParent: cellLayouts) { 4476 final ViewGroup layout = layoutParent.getShortcutsAndWidgets(); 4477 4478 final HashMap<ItemInfo, View> children = new HashMap<ItemInfo, View>(); 4479 for (int j = 0; j < layout.getChildCount(); j++) { 4480 final View view = layout.getChildAt(j); 4481 children.put((ItemInfo) view.getTag(), view); 4482 } 4483 4484 final ArrayList<View> childrenToRemove = new ArrayList<View>(); 4485 final HashMap<FolderInfo, ArrayList<ShortcutInfo>> folderAppsToRemove = 4486 new HashMap<FolderInfo, ArrayList<ShortcutInfo>>(); 4487 LauncherModel.ItemInfoFilter filter = new LauncherModel.ItemInfoFilter() { 4488 @Override 4489 public boolean filterItem(ItemInfo parent, ItemInfo info, 4490 ComponentName cn) { 4491 if (parent instanceof FolderInfo) { 4492 if (componentNames.contains(cn)) { 4493 FolderInfo folder = (FolderInfo) parent; 4494 ArrayList<ShortcutInfo> appsToRemove; 4495 if (folderAppsToRemove.containsKey(folder)) { 4496 appsToRemove = folderAppsToRemove.get(folder); 4497 } else { 4498 appsToRemove = new ArrayList<ShortcutInfo>(); 4499 folderAppsToRemove.put(folder, appsToRemove); 4500 } 4501 appsToRemove.add((ShortcutInfo) info); 4502 return true; 4503 } 4504 } else { 4505 if (componentNames.contains(cn)) { 4506 childrenToRemove.add(children.get(info)); 4507 return true; 4508 } 4509 } 4510 return false; 4511 } 4512 }; 4513 LauncherModel.filterItemInfos(children.keySet(), filter); 4514 4515 // Remove all the apps from their folders 4516 for (FolderInfo folder : folderAppsToRemove.keySet()) { 4517 ArrayList<ShortcutInfo> appsToRemove = folderAppsToRemove.get(folder); 4518 for (ShortcutInfo info : appsToRemove) { 4519 folder.remove(info); 4520 } 4521 } 4522 4523 // Remove all the other children 4524 for (View child : childrenToRemove) { 4525 // Note: We can not remove the view directly from CellLayoutChildren as this 4526 // does not re-mark the spaces as unoccupied. 4527 layoutParent.removeViewInLayout(child); 4528 if (child instanceof DropTarget) { 4529 mDragController.removeDropTarget((DropTarget) child); 4530 } 4531 } 4532 4533 if (childrenToRemove.size() > 0) { 4534 layout.requestLayout(); 4535 layout.invalidate(); 4536 } 4537 } 4538 4539 // Strip all the empty screens 4540 stripEmptyScreens(); 4541 } 4542 4543 private void updateShortcut(HashMap<ComponentName, AppInfo> appsMap, ItemInfo info, 4544 View child) { 4545 ComponentName cn = info.getIntent().getComponent(); 4546 if (cn != null) { 4547 AppInfo appInfo = appsMap.get(info.getIntent().getComponent()); 4548 if ((appInfo != null) && LauncherModel.isShortcutInfoUpdateable(info)) { 4549 ShortcutInfo shortcutInfo = (ShortcutInfo) info; 4550 BubbleTextView shortcut = (BubbleTextView) child; 4551 shortcutInfo.updateIcon(mIconCache); 4552 shortcutInfo.title = appInfo.title.toString(); 4553 shortcut.applyFromShortcutInfo(shortcutInfo, mIconCache); 4554 } 4555 } 4556 } 4557 4558 void updateShortcuts(ArrayList<AppInfo> apps) { 4559 // Create a map of the apps to test against 4560 final HashMap<ComponentName, AppInfo> appsMap = new HashMap<ComponentName, AppInfo>(); 4561 for (AppInfo ai : apps) { 4562 appsMap.put(ai.componentName, ai); 4563 } 4564 4565 ArrayList<ShortcutAndWidgetContainer> childrenLayouts = getAllShortcutAndWidgetContainers(); 4566 for (ShortcutAndWidgetContainer layout: childrenLayouts) { 4567 // Update all the children shortcuts 4568 final HashMap<ItemInfo, View> children = new HashMap<ItemInfo, View>(); 4569 for (int j = 0; j < layout.getChildCount(); j++) { 4570 View v = layout.getChildAt(j); 4571 ItemInfo info = (ItemInfo) v.getTag(); 4572 if (info instanceof FolderInfo && v instanceof FolderIcon) { 4573 FolderIcon folder = (FolderIcon) v; 4574 ArrayList<View> folderChildren = folder.getFolder().getItemsInReadingOrder(); 4575 for (View fv : folderChildren) { 4576 info = (ItemInfo) fv.getTag(); 4577 updateShortcut(appsMap, info, fv); 4578 } 4579 folder.invalidate(); 4580 } else if (info instanceof ShortcutInfo) { 4581 updateShortcut(appsMap, info, v); 4582 } 4583 } 4584 } 4585 } 4586 4587 private void moveToScreen(int page, boolean animate) { 4588 if (!isSmall()) { 4589 if (animate) { 4590 snapToPage(page); 4591 } else { 4592 setCurrentPage(page); 4593 } 4594 } 4595 View child = getChildAt(page); 4596 if (child != null) { 4597 child.requestFocus(); 4598 } 4599 } 4600 4601 void moveToDefaultScreen(boolean animate) { 4602 moveToScreen(mDefaultPage, animate); 4603 } 4604 4605 void moveToCustomContentScreen(boolean animate) { 4606 if (hasCustomContent()) { 4607 int ccIndex = getPageIndexForScreenId(CUSTOM_CONTENT_SCREEN_ID); 4608 if (animate) { 4609 snapToPage(ccIndex); 4610 } else { 4611 setCurrentPage(ccIndex); 4612 } 4613 View child = getChildAt(ccIndex); 4614 if (child != null) { 4615 child.requestFocus(); 4616 } 4617 } 4618 exitWidgetResizeMode(); 4619 } 4620 4621 @Override 4622 protected PageIndicator.PageMarkerResources getPageIndicatorMarker(int pageIndex) { 4623 long screenId = getScreenIdForPageIndex(pageIndex); 4624 if (screenId == EXTRA_EMPTY_SCREEN_ID) { 4625 int count = mScreenOrder.size() - numCustomPages(); 4626 if (count > 1) { 4627 return new PageIndicator.PageMarkerResources(R.drawable.ic_pageindicator_current, 4628 R.drawable.ic_pageindicator_add); 4629 } 4630 } 4631 4632 return super.getPageIndicatorMarker(pageIndex); 4633 } 4634 4635 @Override 4636 public void syncPages() { 4637 } 4638 4639 @Override 4640 public void syncPageItems(int page, boolean immediate) { 4641 } 4642 4643 protected String getPageIndicatorDescription() { 4644 String settings = getResources().getString(R.string.settings_button_text); 4645 return getCurrentPageDescription() + ", " + settings; 4646 } 4647 4648 protected String getCurrentPageDescription() { 4649 int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage; 4650 int delta = numCustomPages(); 4651 if (hasCustomContent() && getNextPage() == 0) { 4652 return mCustomContentDescription; 4653 } 4654 return String.format(getContext().getString(R.string.workspace_scroll_format), 4655 page + 1 - delta, getChildCount() - delta); 4656 } 4657 4658 public void getLocationInDragLayer(int[] loc) { 4659 mLauncher.getDragLayer().getLocationInDragLayer(this, loc); 4660 } 4661} 4662