TaskStack.java revision 29bfbb878d54db14204e9b02dc17bfc6e127b6b2
1/* 2 * Copyright (C) 2013 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.server.wm; 18 19import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT; 20import static android.app.ActivityManager.StackId.DOCKED_STACK_ID; 21import static android.app.ActivityManager.StackId.HOME_STACK_ID; 22import static android.app.ActivityManager.StackId.PINNED_STACK_ID; 23import static android.content.res.Configuration.DENSITY_DPI_UNDEFINED; 24import static android.content.res.Configuration.ORIENTATION_PORTRAIT; 25import static android.view.WindowManager.DOCKED_BOTTOM; 26import static android.view.WindowManager.DOCKED_INVALID; 27import static android.view.WindowManager.DOCKED_LEFT; 28import static android.view.WindowManager.DOCKED_RIGHT; 29import static android.view.WindowManager.DOCKED_TOP; 30import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_DOCKED_DIVIDER; 31import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TASK_MOVEMENT; 32import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; 33import static com.android.server.wm.WindowManagerService.H.RESIZE_STACK; 34 35import android.app.ActivityManager.StackId; 36import android.content.res.Configuration; 37import android.graphics.Rect; 38import android.os.Debug; 39import android.os.RemoteException; 40import android.util.EventLog; 41import android.util.Slog; 42import android.util.SparseArray; 43import android.view.DisplayInfo; 44import android.view.Surface; 45import android.view.SurfaceControl; 46 47import com.android.internal.policy.DividerSnapAlgorithm; 48import com.android.internal.policy.DividerSnapAlgorithm.SnapTarget; 49import com.android.internal.policy.DockedDividerUtils; 50import com.android.server.EventLogTags; 51 52import java.io.PrintWriter; 53import java.util.ArrayList; 54 55public class TaskStack implements DimLayer.DimLayerUser, 56 BoundsAnimationController.AnimateBoundsUser { 57 /** Minimum size of an adjusted stack bounds relative to original stack bounds. Used to 58 * restrict IME adjustment so that a min portion of top stack remains visible.*/ 59 private static final float ADJUSTED_STACK_FRACTION_MIN = 0.3f; 60 61 /** Dimming amount for non-focused stack when stacks are IME-adjusted. */ 62 private static final float IME_ADJUST_DIM_AMOUNT = 0.25f; 63 64 /** Unique identifier */ 65 final int mStackId; 66 67 /** The service */ 68 private final WindowManagerService mService; 69 70 /** The display this stack sits under. */ 71 private DisplayContent mDisplayContent; 72 73 /** The Tasks that define this stack. Oldest Tasks are at the bottom. The ordering must match 74 * mTaskHistory in the ActivityStack with the same mStackId */ 75 private final ArrayList<Task> mTasks = new ArrayList<>(); 76 77 /** For comparison with DisplayContent bounds. */ 78 private Rect mTmpRect = new Rect(); 79 private Rect mTmpRect2 = new Rect(); 80 81 /** Content limits relative to the DisplayContent this sits in. */ 82 private Rect mBounds = new Rect(); 83 84 /** Stack bounds adjusted to screen content area (taking into account IM windows, etc.) */ 85 private final Rect mAdjustedBounds = new Rect(); 86 87 /** 88 * Fully adjusted IME bounds. These are different from {@link #mAdjustedBounds} because they 89 * represent the state when the animation has ended. 90 */ 91 private final Rect mFullyAdjustedImeBounds = new Rect(); 92 93 /** Whether mBounds is fullscreen */ 94 private boolean mFullscreen = true; 95 96 // Device rotation as of the last time {@link #mBounds} was set. 97 int mRotation; 98 99 /** Density as of last time {@link #mBounds} was set. */ 100 int mDensity; 101 102 /** Support for non-zero {@link android.view.animation.Animation#getBackgroundColor()} */ 103 DimLayer mAnimationBackgroundSurface; 104 105 /** The particular window with an Animation with non-zero background color. */ 106 WindowStateAnimator mAnimationBackgroundAnimator; 107 108 /** Application tokens that are exiting, but still on screen for animations. */ 109 final AppTokenList mExitingAppTokens = new AppTokenList(); 110 111 /** Detach this stack from its display when animation completes. */ 112 boolean mDeferDetach; 113 114 // Whether the stack and all its tasks is currently being drag-resized 115 private boolean mDragResizing; 116 117 private final Rect mTmpAdjustedBounds = new Rect(); 118 private boolean mAdjustedForIme; 119 private boolean mImeGoingAway; 120 private WindowState mImeWin; 121 private float mMinimizeAmount; 122 private float mAdjustImeAmount; 123 private float mAdjustDividerAmount; 124 private final int mDockedStackMinimizeThickness; 125 126 // If this is true, we are in the bounds animating mode. 127 // The task will be down or upscaled to perfectly fit the 128 // region it would have been cropped to. We may also avoid 129 // certain logic we would otherwise apply while resizing, 130 // while resizing in the bounds animating mode. 131 private boolean mBoundsAnimating = false; 132 // By default, movement animations are applied to all 133 // window movement. If this is true, animations will not 134 // be applied within this stack. This is useful for example 135 // if the windows are moving as the result of a stack animation, 136 // in which case a second window animation would cause jitter. 137 private boolean mFreezeMovementAnimations = false; 138 139 // Temporary storage for the new bounds that should be used after the configuration change. 140 // Will be cleared once the client retrieves the new bounds via getBoundsForNewConfiguration(). 141 private final Rect mBoundsAfterRotation = new Rect(); 142 143 TaskStack(WindowManagerService service, int stackId) { 144 mService = service; 145 mStackId = stackId; 146 mDockedStackMinimizeThickness = service.mContext.getResources().getDimensionPixelSize( 147 com.android.internal.R.dimen.docked_stack_minimize_thickness); 148 EventLog.writeEvent(EventLogTags.WM_STACK_CREATED, stackId); 149 } 150 151 DisplayContent getDisplayContent() { 152 return mDisplayContent; 153 } 154 155 ArrayList<Task> getTasks() { 156 return mTasks; 157 } 158 159 Task findHomeTask() { 160 if (mStackId != HOME_STACK_ID) { 161 return null; 162 } 163 164 for (int i = mTasks.size() - 1; i >= 0; i--) { 165 if (mTasks.get(i).isHomeTask()) { 166 return mTasks.get(i); 167 } 168 } 169 return null; 170 } 171 172 /** 173 * Set the bounds of the stack and its containing tasks. 174 * @param stackBounds New stack bounds. Passing in null sets the bounds to fullscreen. 175 * @param configs Configuration for individual tasks, keyed by task id. 176 * @param taskBounds Bounds for individual tasks, keyed by task id. 177 * @return True if the stack bounds was changed. 178 * */ 179 boolean setBounds( 180 Rect stackBounds, SparseArray<Configuration> configs, SparseArray<Rect> taskBounds, 181 SparseArray<Rect> taskTempInsetBounds) { 182 setBounds(stackBounds); 183 184 // Update bounds of containing tasks. 185 for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { 186 final Task task = mTasks.get(taskNdx); 187 Configuration config = configs.get(task.mTaskId); 188 if (config != null) { 189 Rect bounds = taskBounds.get(task.mTaskId); 190 if (task.isTwoFingerScrollMode()) { 191 // This is a non-resizeable task that's docked (or side-by-side to the docked 192 // stack). It might have been scrolled previously, and after the stack resizing, 193 // it might no longer fully cover the stack area. 194 // Save the old bounds and re-apply the scroll. This adjusts the bounds to 195 // fit the new stack bounds. 196 task.resizeLocked(bounds, config, false /* forced */); 197 task.getBounds(mTmpRect); 198 task.scrollLocked(mTmpRect); 199 } else { 200 task.resizeLocked(bounds, config, false /* forced */); 201 task.setTempInsetBounds( 202 taskTempInsetBounds != null ? taskTempInsetBounds.get(task.mTaskId) 203 : null); 204 } 205 } else { 206 Slog.wtf(TAG_WM, "No config for task: " + task + ", is there a mismatch with AM?"); 207 } 208 } 209 return true; 210 } 211 212 void prepareFreezingTaskBounds() { 213 for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { 214 final Task task = mTasks.get(taskNdx); 215 task.prepareFreezingBounds(); 216 } 217 } 218 219 boolean isFullscreenBounds(Rect bounds) { 220 if (mDisplayContent == null || bounds == null) { 221 return true; 222 } 223 mDisplayContent.getLogicalDisplayRect(mTmpRect); 224 return mTmpRect.equals(bounds); 225 } 226 227 /** 228 * Overrides the adjusted bounds, i.e. sets temporary layout bounds which are different from 229 * the normal task bounds. 230 * 231 * @param bounds The adjusted bounds. 232 */ 233 private void setAdjustedBounds(Rect bounds) { 234 if (mAdjustedBounds.equals(bounds) && !isAnimatingForIme()) { 235 return; 236 } 237 238 mAdjustedBounds.set(bounds); 239 final boolean adjusted = !mAdjustedBounds.isEmpty(); 240 Rect insetBounds = null; 241 if (adjusted && isAdjustedForMinimizedDock()) { 242 insetBounds = mBounds; 243 } else if (adjusted && mAdjustedForIme) { 244 if (mImeGoingAway) { 245 insetBounds = mBounds; 246 } else { 247 insetBounds = mFullyAdjustedImeBounds; 248 } 249 } 250 alignTasksToAdjustedBounds(adjusted ? mAdjustedBounds : mBounds, insetBounds); 251 mDisplayContent.layoutNeeded = true; 252 } 253 254 private void alignTasksToAdjustedBounds(Rect adjustedBounds, Rect tempInsetBounds) { 255 if (mFullscreen) { 256 return; 257 } 258 // Update bounds of containing tasks. 259 for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { 260 final Task task = mTasks.get(taskNdx); 261 if (task.isTwoFingerScrollMode()) { 262 // If we're scrolling we don't care about your bounds or configs, 263 // they should be null as if we were in fullscreen. 264 task.resizeLocked(null, null, false /* forced */); 265 task.getBounds(mTmpRect2); 266 task.scrollLocked(mTmpRect2); 267 } else { 268 final boolean alignBottom = mAdjustedForIme && getDockSide() == DOCKED_TOP; 269 task.alignToAdjustedBounds(adjustedBounds, tempInsetBounds, alignBottom); 270 } 271 } 272 } 273 274 private boolean setBounds(Rect bounds) { 275 boolean oldFullscreen = mFullscreen; 276 int rotation = Surface.ROTATION_0; 277 int density = DENSITY_DPI_UNDEFINED; 278 if (mDisplayContent != null) { 279 mDisplayContent.getLogicalDisplayRect(mTmpRect); 280 rotation = mDisplayContent.getDisplayInfo().rotation; 281 density = mDisplayContent.getDisplayInfo().logicalDensityDpi; 282 mFullscreen = bounds == null; 283 if (mFullscreen) { 284 bounds = mTmpRect; 285 } 286 } 287 288 if (bounds == null) { 289 // Can't set to fullscreen if we don't have a display to get bounds from... 290 return false; 291 } 292 if (mBounds.equals(bounds) && oldFullscreen == mFullscreen && mRotation == rotation) { 293 return false; 294 } 295 296 if (mDisplayContent != null) { 297 mDisplayContent.mDimLayerController.updateDimLayer(this); 298 mAnimationBackgroundSurface.setBounds(bounds); 299 } 300 301 mBounds.set(bounds); 302 mRotation = rotation; 303 mDensity = density; 304 305 updateAdjustedBounds(); 306 307 return true; 308 } 309 310 /** Bounds of the stack without adjusting for other factors in the system like visibility 311 * of docked stack. 312 * Most callers should be using {@link #getBounds} as it take into consideration other system 313 * factors. */ 314 void getRawBounds(Rect out) { 315 out.set(mBounds); 316 } 317 318 /** Return true if the current bound can get outputted to the rest of the system as-is. */ 319 private boolean useCurrentBounds() { 320 if (mFullscreen 321 || !StackId.isResizeableByDockedStack(mStackId) 322 || mDisplayContent == null 323 || mDisplayContent.getDockedStackLocked() != null) { 324 return true; 325 } 326 return false; 327 } 328 329 public void getBounds(Rect out) { 330 if (useCurrentBounds()) { 331 // If we're currently adjusting for IME or minimized docked stack, we use the adjusted 332 // bounds; otherwise, no need to adjust the output bounds if fullscreen or the docked 333 // stack is visible since it is already what we want to represent to the rest of the 334 // system. 335 if (!mAdjustedBounds.isEmpty()) { 336 out.set(mAdjustedBounds); 337 } else { 338 out.set(mBounds); 339 } 340 return; 341 } 342 343 // The bounds has been adjusted to accommodate for a docked stack, but the docked stack 344 // is not currently visible. Go ahead a represent it as fullscreen to the rest of the 345 // system. 346 mDisplayContent.getLogicalDisplayRect(out); 347 } 348 349 /** Bounds of the stack with other system factors taken into consideration. */ 350 @Override 351 public void getDimBounds(Rect out) { 352 getBounds(out); 353 } 354 355 void updateDisplayInfo(Rect bounds) { 356 if (mDisplayContent == null) { 357 return; 358 } 359 360 for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { 361 mTasks.get(taskNdx).updateDisplayInfo(mDisplayContent); 362 } 363 if (bounds != null) { 364 setBounds(bounds); 365 return; 366 } else if (mFullscreen) { 367 setBounds(null); 368 return; 369 } 370 371 mTmpRect2.set(mBounds); 372 final int newRotation = mDisplayContent.getDisplayInfo().rotation; 373 final int newDensity = mDisplayContent.getDisplayInfo().logicalDensityDpi; 374 if (mRotation == newRotation && mDensity == newDensity) { 375 setBounds(mTmpRect2); 376 } 377 378 // If the rotation or density didn't match, we'll update it in onConfigurationChanged. 379 } 380 381 boolean onConfigurationChanged() { 382 return updateBoundsAfterConfigChange(); 383 } 384 385 private boolean updateBoundsAfterConfigChange() { 386 if (mFullscreen) { 387 // Bounds will already be set correctly when display info is updated in the case of 388 // fullscreen. 389 return false; 390 } 391 392 final int newRotation = getDisplayInfo().rotation; 393 final int newDensity = getDisplayInfo().logicalDensityDpi; 394 395 if (mRotation == newRotation && mDensity == newDensity) { 396 // Nothing to do here as we already update the state in updateDisplayInfo. 397 return false; 398 } 399 400 final int oldDockSide = mStackId == DOCKED_STACK_ID ? getDockSide() : DOCKED_INVALID; 401 mTmpRect2.set(mBounds); 402 mDisplayContent.rotateBounds(mRotation, newRotation, mTmpRect2); 403 if (mStackId == DOCKED_STACK_ID) { 404 repositionDockedStackAfterRotation(mTmpRect2); 405 snapDockedStackAfterRotation(mTmpRect2); 406 final int newDockSide = getDockSide(mTmpRect2); 407 if (oldDockSide != newDockSide) { 408 mDisplayContent.getDockedDividerController().notifyDockSideChanged(newDockSide); 409 } 410 } 411 412 mBoundsAfterRotation.set(mTmpRect2); 413 return true; 414 } 415 416 void getBoundsForNewConfiguration(Rect outBounds) { 417 outBounds.set(mBoundsAfterRotation); 418 mBoundsAfterRotation.setEmpty(); 419 } 420 421 /** 422 * Some dock sides are not allowed by the policy. This method queries the policy and moves 423 * the docked stack around if needed. 424 * 425 * @param inOutBounds the bounds of the docked stack to adjust 426 */ 427 private void repositionDockedStackAfterRotation(Rect inOutBounds) { 428 int dockSide = getDockSide(inOutBounds); 429 if (mService.mPolicy.isDockSideAllowed(dockSide)) { 430 return; 431 } 432 mDisplayContent.getLogicalDisplayRect(mTmpRect); 433 dockSide = DockedDividerUtils.invertDockSide(dockSide); 434 switch (dockSide) { 435 case DOCKED_LEFT: 436 int movement = inOutBounds.left; 437 inOutBounds.left -= movement; 438 inOutBounds.right -= movement; 439 break; 440 case DOCKED_RIGHT: 441 movement = mTmpRect.right - inOutBounds.right; 442 inOutBounds.left += movement; 443 inOutBounds.right += movement; 444 break; 445 case DOCKED_TOP: 446 movement = inOutBounds.top; 447 inOutBounds.top -= movement; 448 inOutBounds.bottom -= movement; 449 break; 450 case DOCKED_BOTTOM: 451 movement = mTmpRect.bottom - inOutBounds.bottom; 452 inOutBounds.top += movement; 453 inOutBounds.bottom += movement; 454 break; 455 } 456 } 457 458 /** 459 * Snaps the bounds after rotation to the closest snap target for the docked stack. 460 */ 461 private void snapDockedStackAfterRotation(Rect outBounds) { 462 463 // Calculate the current position. 464 final DisplayInfo displayInfo = mDisplayContent.getDisplayInfo(); 465 final int dividerSize = mService.getDefaultDisplayContentLocked() 466 .getDockedDividerController().getContentWidth(); 467 final int dockSide = getDockSide(outBounds); 468 final int dividerPosition = DockedDividerUtils.calculatePositionForBounds(outBounds, 469 dockSide, dividerSize); 470 final int displayWidth = mDisplayContent.getDisplayInfo().logicalWidth; 471 final int displayHeight = mDisplayContent.getDisplayInfo().logicalHeight; 472 473 // Snap the position to a target. 474 final int rotation = displayInfo.rotation; 475 final int orientation = mService.mCurConfiguration.orientation; 476 mService.mPolicy.getStableInsetsLw(rotation, displayWidth, displayHeight, outBounds); 477 final DividerSnapAlgorithm algorithm = new DividerSnapAlgorithm( 478 mService.mContext.getResources(), displayWidth, displayHeight, 479 dividerSize, orientation == Configuration.ORIENTATION_PORTRAIT, outBounds); 480 final SnapTarget target = algorithm.calculateNonDismissingSnapTarget(dividerPosition); 481 482 // Recalculate the bounds based on the position of the target. 483 DockedDividerUtils.calculateBoundsForPosition(target.position, dockSide, 484 outBounds, displayInfo.logicalWidth, displayInfo.logicalHeight, 485 dividerSize); 486 } 487 488 boolean isAnimating() { 489 for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { 490 final ArrayList<AppWindowToken> activities = mTasks.get(taskNdx).mAppTokens; 491 for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { 492 final ArrayList<WindowState> windows = activities.get(activityNdx).allAppWindows; 493 for (int winNdx = windows.size() - 1; winNdx >= 0; --winNdx) { 494 final WindowStateAnimator winAnimator = windows.get(winNdx).mWinAnimator; 495 if (winAnimator.isAnimationSet() || winAnimator.mWin.mAnimatingExit) { 496 return true; 497 } 498 } 499 } 500 } 501 return false; 502 } 503 504 void addTask(Task task, boolean toTop) { 505 addTask(task, toTop, task.showForAllUsers()); 506 } 507 508 /** 509 * Put a Task in this stack. Used for adding and moving. 510 * @param task The task to add. 511 * @param toTop Whether to add it to the top or bottom. 512 * @param showForAllUsers Whether to show the task regardless of the current user. 513 */ 514 void addTask(Task task, boolean toTop, boolean showForAllUsers) { 515 positionTask(task, toTop ? mTasks.size() : 0, showForAllUsers); 516 } 517 518 void positionTask(Task task, int position, boolean showForAllUsers) { 519 final boolean canShowTask = 520 showForAllUsers || mService.isCurrentProfileLocked(task.mUserId); 521 mTasks.remove(task); 522 int stackSize = mTasks.size(); 523 int minPosition = 0; 524 int maxPosition = stackSize; 525 526 if (canShowTask) { 527 minPosition = computeMinPosition(minPosition, stackSize); 528 } else { 529 maxPosition = computeMaxPosition(maxPosition); 530 } 531 // Reset position based on minimum/maximum possible positions. 532 position = Math.min(Math.max(position, minPosition), maxPosition); 533 534 if (DEBUG_TASK_MOVEMENT) Slog.d(TAG_WM, 535 "positionTask: task=" + task + " position=" + position); 536 mTasks.add(position, task); 537 538 // If we are moving the task across stacks, the scroll is no longer valid. 539 if (task.mStack != this) { 540 task.resetScrollLocked(); 541 } 542 task.mStack = this; 543 task.updateDisplayInfo(mDisplayContent); 544 boolean toTop = position == mTasks.size() - 1; 545 if (toTop) { 546 mDisplayContent.moveStack(this, true); 547 } 548 549 if (StackId.windowsAreScaleable(mStackId)) { 550 // We force windows out of SCALING_MODE_FREEZE 551 // so that we can continue to animate them 552 // while a resize is pending. 553 forceWindowsScaleable(task, true); 554 } else { 555 forceWindowsScaleable(task, false); 556 } 557 EventLog.writeEvent(EventLogTags.WM_TASK_MOVED, task.mTaskId, toTop ? 1 : 0, position); 558 } 559 560 /** Calculate the minimum possible position for a task that can be shown to the user. 561 * The minimum position will be above all other tasks that can't be shown. 562 * @param minPosition The minimum position the caller is suggesting. 563 * We will start adjusting up from here. 564 * @param size The size of the current task list. 565 */ 566 private int computeMinPosition(int minPosition, int size) { 567 while (minPosition < size) { 568 final Task tmpTask = mTasks.get(minPosition); 569 final boolean canShowTmpTask = 570 tmpTask.showForAllUsers() 571 || mService.isCurrentProfileLocked(tmpTask.mUserId); 572 if (canShowTmpTask) { 573 break; 574 } 575 minPosition++; 576 } 577 return minPosition; 578 } 579 580 /** Calculate the maximum possible position for a task that can't be shown to the user. 581 * The maximum position will be below all other tasks that can be shown. 582 * @param maxPosition The maximum position the caller is suggesting. 583 * We will start adjusting down from here. 584 */ 585 private int computeMaxPosition(int maxPosition) { 586 while (maxPosition > 0) { 587 final Task tmpTask = mTasks.get(maxPosition - 1); 588 final boolean canShowTmpTask = 589 tmpTask.showForAllUsers() 590 || mService.isCurrentProfileLocked(tmpTask.mUserId); 591 if (!canShowTmpTask) { 592 break; 593 } 594 maxPosition--; 595 } 596 return maxPosition; 597 } 598 599 void moveTaskToTop(Task task) { 600 if (DEBUG_TASK_MOVEMENT) Slog.d(TAG_WM, "moveTaskToTop: task=" + task + " Callers=" 601 + Debug.getCallers(6)); 602 mTasks.remove(task); 603 addTask(task, true); 604 } 605 606 void moveTaskToBottom(Task task) { 607 if (DEBUG_TASK_MOVEMENT) Slog.d(TAG_WM, "moveTaskToBottom: task=" + task); 608 mTasks.remove(task); 609 addTask(task, false); 610 } 611 612 /** 613 * Delete a Task from this stack. If it is the last Task in the stack, move this stack to the 614 * back. 615 * @param task The Task to delete. 616 */ 617 void removeTask(Task task) { 618 if (DEBUG_TASK_MOVEMENT) Slog.d(TAG_WM, "removeTask: task=" + task); 619 mTasks.remove(task); 620 if (mDisplayContent != null) { 621 if (mTasks.isEmpty()) { 622 mDisplayContent.moveStack(this, false); 623 } 624 mDisplayContent.layoutNeeded = true; 625 } 626 for (int appNdx = mExitingAppTokens.size() - 1; appNdx >= 0; --appNdx) { 627 final AppWindowToken wtoken = mExitingAppTokens.get(appNdx); 628 if (wtoken.mTask == task) { 629 wtoken.mIsExiting = false; 630 mExitingAppTokens.remove(appNdx); 631 } 632 } 633 } 634 635 void attachDisplayContent(DisplayContent displayContent) { 636 if (mDisplayContent != null) { 637 throw new IllegalStateException("attachDisplayContent: Already attached"); 638 } 639 640 mDisplayContent = displayContent; 641 mAnimationBackgroundSurface = new DimLayer(mService, this, mDisplayContent.getDisplayId(), 642 "animation background stackId=" + mStackId); 643 644 Rect bounds = null; 645 final TaskStack dockedStack = mService.mStackIdToStack.get(DOCKED_STACK_ID); 646 if (mStackId == DOCKED_STACK_ID 647 || (dockedStack != null && StackId.isResizeableByDockedStack(mStackId) 648 && !dockedStack.isFullscreen())) { 649 // The existence of a docked stack affects the size of other static stack created since 650 // the docked stack occupies a dedicated region on screen, but only if the dock stack is 651 // not fullscreen. If it's fullscreen, it means that we are in the transition of 652 // dismissing it, so we must not resize this stack. 653 bounds = new Rect(); 654 displayContent.getLogicalDisplayRect(mTmpRect); 655 mTmpRect2.setEmpty(); 656 if (dockedStack != null) { 657 dockedStack.getRawBounds(mTmpRect2); 658 } 659 final boolean dockedOnTopOrLeft = mService.mDockedStackCreateMode 660 == DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT; 661 getStackDockedModeBounds(mTmpRect, bounds, mStackId, mTmpRect2, 662 mDisplayContent.mDividerControllerLocked.getContentWidth(), 663 dockedOnTopOrLeft); 664 } 665 666 updateDisplayInfo(bounds); 667 } 668 669 void getStackDockedModeBoundsLocked(Rect outBounds, boolean ignoreVisibility) { 670 if ((mStackId != DOCKED_STACK_ID && !StackId.isResizeableByDockedStack(mStackId)) 671 || mDisplayContent == null) { 672 outBounds.set(mBounds); 673 return; 674 } 675 676 final TaskStack dockedStack = mService.mStackIdToStack.get(DOCKED_STACK_ID); 677 if (dockedStack == null) { 678 // Not sure why you are calling this method when there is no docked stack... 679 throw new IllegalStateException( 680 "Calling getStackDockedModeBoundsLocked() when there is no docked stack."); 681 } 682 if (!ignoreVisibility && !dockedStack.isVisibleLocked()) { 683 // The docked stack is being dismissed, but we caught before it finished being 684 // dismissed. In that case we want to treat it as if it is not occupying any space and 685 // let others occupy the whole display. 686 mDisplayContent.getLogicalDisplayRect(outBounds); 687 return; 688 } 689 690 final int dockedSide = dockedStack.getDockSide(); 691 if (dockedSide == DOCKED_INVALID) { 692 // Not sure how you got here...Only thing we can do is return current bounds. 693 Slog.e(TAG_WM, "Failed to get valid docked side for docked stack=" + dockedStack); 694 outBounds.set(mBounds); 695 return; 696 } 697 698 mDisplayContent.getLogicalDisplayRect(mTmpRect); 699 dockedStack.getRawBounds(mTmpRect2); 700 final boolean dockedOnTopOrLeft = dockedSide == DOCKED_TOP || dockedSide == DOCKED_LEFT; 701 getStackDockedModeBounds(mTmpRect, outBounds, mStackId, mTmpRect2, 702 mDisplayContent.mDividerControllerLocked.getContentWidth(), dockedOnTopOrLeft); 703 704 } 705 706 /** 707 * Outputs the bounds a stack should be given the presence of a docked stack on the display. 708 * @param displayRect The bounds of the display the docked stack is on. 709 * @param outBounds Output bounds that should be used for the stack. 710 * @param stackId Id of stack we are calculating the bounds for. 711 * @param dockedBounds Bounds of the docked stack. 712 * @param dockDividerWidth We need to know the width of the divider make to the output bounds 713 * close to the side of the dock. 714 * @param dockOnTopOrLeft If the docked stack is on the top or left side of the screen. 715 */ 716 private void getStackDockedModeBounds( 717 Rect displayRect, Rect outBounds, int stackId, Rect dockedBounds, int dockDividerWidth, 718 boolean dockOnTopOrLeft) { 719 final boolean dockedStack = stackId == DOCKED_STACK_ID; 720 final boolean splitHorizontally = displayRect.width() > displayRect.height(); 721 722 outBounds.set(displayRect); 723 if (dockedStack) { 724 if (mService.mDockedStackCreateBounds != null) { 725 outBounds.set(mService.mDockedStackCreateBounds); 726 return; 727 } 728 729 // The initial bounds of the docked stack when it is created about half the screen space 730 // and its bounds can be adjusted after that. The bounds of all other stacks are 731 // adjusted to occupy whatever screen space the docked stack isn't occupying. 732 final DisplayInfo di = mDisplayContent.getDisplayInfo(); 733 mService.mPolicy.getStableInsetsLw(di.rotation, di.logicalWidth, di.logicalHeight, 734 mTmpRect2); 735 final int position = new DividerSnapAlgorithm(mService.mContext.getResources(), 736 di.logicalWidth, 737 di.logicalHeight, 738 dockDividerWidth, 739 mService.mCurConfiguration.orientation == ORIENTATION_PORTRAIT, 740 mTmpRect2).getMiddleTarget().position; 741 742 if (dockOnTopOrLeft) { 743 if (splitHorizontally) { 744 outBounds.right = position; 745 } else { 746 outBounds.bottom = position; 747 } 748 } else { 749 if (splitHorizontally) { 750 outBounds.left = position + dockDividerWidth; 751 } else { 752 outBounds.top = position + dockDividerWidth; 753 } 754 } 755 return; 756 } 757 758 // Other stacks occupy whatever space is left by the docked stack. 759 if (!dockOnTopOrLeft) { 760 if (splitHorizontally) { 761 outBounds.right = dockedBounds.left - dockDividerWidth; 762 } else { 763 outBounds.bottom = dockedBounds.top - dockDividerWidth; 764 } 765 } else { 766 if (splitHorizontally) { 767 outBounds.left = dockedBounds.right + dockDividerWidth; 768 } else { 769 outBounds.top = dockedBounds.bottom + dockDividerWidth; 770 } 771 } 772 DockedDividerUtils.sanitizeStackBounds(outBounds, !dockOnTopOrLeft); 773 } 774 775 void resetDockedStackToMiddle() { 776 if (mStackId != DOCKED_STACK_ID) { 777 throw new IllegalStateException("Not a docked stack=" + this); 778 } 779 780 mService.mDockedStackCreateBounds = null; 781 782 final Rect bounds = new Rect(); 783 getStackDockedModeBoundsLocked(bounds, true /*ignoreVisibility*/); 784 mService.mH.obtainMessage(RESIZE_STACK, DOCKED_STACK_ID, 785 1 /*allowResizeInDockedMode*/, bounds).sendToTarget(); 786 } 787 788 void detachDisplay() { 789 EventLog.writeEvent(EventLogTags.WM_STACK_REMOVED, mStackId); 790 791 boolean doAnotherLayoutPass = false; 792 for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { 793 final AppTokenList appWindowTokens = mTasks.get(taskNdx).mAppTokens; 794 for (int appNdx = appWindowTokens.size() - 1; appNdx >= 0; --appNdx) { 795 final WindowList appWindows = appWindowTokens.get(appNdx).allAppWindows; 796 for (int winNdx = appWindows.size() - 1; winNdx >= 0; --winNdx) { 797 // We are in the middle of changing the state of displays/stacks/tasks. We need 798 // to finish that, before we let layout interfere with it. 799 mService.removeWindowLocked(appWindows.get(winNdx)); 800 doAnotherLayoutPass = true; 801 } 802 } 803 } 804 if (doAnotherLayoutPass) { 805 mService.mWindowPlacerLocked.requestTraversal(); 806 } 807 808 close(); 809 } 810 811 void resetAnimationBackgroundAnimator() { 812 mAnimationBackgroundAnimator = null; 813 mAnimationBackgroundSurface.hide(); 814 } 815 816 void setAnimationBackground(WindowStateAnimator winAnimator, int color) { 817 int animLayer = winAnimator.mAnimLayer; 818 if (mAnimationBackgroundAnimator == null 819 || animLayer < mAnimationBackgroundAnimator.mAnimLayer) { 820 mAnimationBackgroundAnimator = winAnimator; 821 animLayer = mService.adjustAnimationBackground(winAnimator); 822 mAnimationBackgroundSurface.show(animLayer - WindowManagerService.LAYER_OFFSET_DIM, 823 ((color >> 24) & 0xff) / 255f, 0); 824 } 825 } 826 827 void switchUser() { 828 int top = mTasks.size(); 829 for (int taskNdx = 0; taskNdx < top; ++taskNdx) { 830 Task task = mTasks.get(taskNdx); 831 if (mService.isCurrentProfileLocked(task.mUserId) || task.showForAllUsers()) { 832 mTasks.remove(taskNdx); 833 mTasks.add(task); 834 --top; 835 } 836 } 837 } 838 839 void close() { 840 if (mAnimationBackgroundSurface != null) { 841 mAnimationBackgroundSurface.destroySurface(); 842 mAnimationBackgroundSurface = null; 843 } 844 mDisplayContent = null; 845 } 846 847 /** 848 * Adjusts the stack bounds if the IME is visible. 849 * 850 * @param imeWin The IME window. 851 */ 852 void setAdjustedForIme(WindowState imeWin) { 853 mImeWin = imeWin; 854 mImeGoingAway = false; 855 if (!mAdjustedForIme) { 856 mAdjustedForIme = true; 857 mAdjustImeAmount = 0f; 858 mAdjustDividerAmount = 0f; 859 updateAdjustForIme(0f, 0f, true /* force */); 860 } 861 } 862 863 boolean isAdjustedForIme() { 864 return mAdjustedForIme; 865 } 866 867 boolean isAnimatingForIme() { 868 return mImeWin != null && mImeWin.isAnimatingLw(); 869 } 870 871 /** 872 * Update the stack's bounds (crop or position) according to the IME window's 873 * current position. When IME window is animated, the bottom stack is animated 874 * together to track the IME window's current position, and the top stack is 875 * cropped as necessary. 876 * 877 * @return true if a traversal should be performed after the adjustment. 878 */ 879 boolean updateAdjustForIme(float adjustAmount, float adjustDividerAmount, boolean force) { 880 if (adjustAmount != mAdjustImeAmount 881 || adjustDividerAmount != mAdjustDividerAmount || force) { 882 mAdjustImeAmount = adjustAmount; 883 mAdjustDividerAmount = adjustDividerAmount; 884 updateAdjustedBounds(); 885 return isVisibleForUserLocked(); 886 } else { 887 return false; 888 } 889 } 890 891 /** 892 * Resets the adjustment after it got adjusted for the IME. 893 * @param adjustBoundsNow if true, reset and update the bounds immediately and forget about 894 * animations; otherwise, set flag and animates the window away together 895 * with IME window. 896 */ 897 void resetAdjustedForIme(boolean adjustBoundsNow) { 898 if (adjustBoundsNow) { 899 mImeWin = null; 900 mAdjustedForIme = false; 901 mImeGoingAway = false; 902 mAdjustImeAmount = 0f; 903 mAdjustDividerAmount = 0f; 904 updateAdjustedBounds(); 905 mService.setResizeDimLayer(false, mStackId, 1.0f); 906 } else { 907 mImeGoingAway |= mAdjustedForIme; 908 } 909 } 910 911 /** 912 * Sets the amount how much we currently minimize our stack. 913 * 914 * @param minimizeAmount The amount, between 0 and 1. 915 * @return Whether the amount has changed and a layout is needed. 916 */ 917 boolean setAdjustedForMinimizedDock(float minimizeAmount) { 918 if (minimizeAmount != mMinimizeAmount) { 919 mMinimizeAmount = minimizeAmount; 920 updateAdjustedBounds(); 921 return isVisibleForUserLocked(); 922 } else { 923 return false; 924 } 925 } 926 927 boolean isAdjustedForMinimizedDock() { 928 return mMinimizeAmount != 0f; 929 } 930 931 /** 932 * Puts all visible tasks that are adjusted for IME into resizing mode and adds the windows 933 * to the list of to be drawn windows the service is waiting for. 934 */ 935 void beginImeAdjustAnimation() { 936 for (int j = mTasks.size() - 1; j >= 0; j--) { 937 final Task task = mTasks.get(j); 938 if (task.isVisibleForUser()) { 939 task.setDragResizing(true, DRAG_RESIZE_MODE_DOCKED_DIVIDER); 940 task.addWindowsWaitingForDrawnIfResizingChanged(); 941 } 942 } 943 } 944 945 /** 946 * Resets the resizing state of all windows. 947 */ 948 void endImeAdjustAnimation() { 949 for (int j = mTasks.size() - 1; j >= 0; j--) { 950 mTasks.get(j).setDragResizing(false, DRAG_RESIZE_MODE_DOCKED_DIVIDER); 951 } 952 } 953 954 int getMinTopStackBottom(final Rect displayContentRect, int originalStackBottom) { 955 return displayContentRect.top + (int) 956 ((originalStackBottom - displayContentRect.top) * ADJUSTED_STACK_FRACTION_MIN); 957 } 958 959 private boolean adjustForIME(final WindowState imeWin) { 960 final int dockedSide = getDockSide(); 961 final boolean dockedTopOrBottom = dockedSide == DOCKED_TOP || dockedSide == DOCKED_BOTTOM; 962 if (imeWin == null || !dockedTopOrBottom) { 963 return false; 964 } 965 966 final Rect displayContentRect = mTmpRect; 967 final Rect contentBounds = mTmpRect2; 968 969 // Calculate the content bounds excluding the area occupied by IME 970 getDisplayContent().getContentRect(displayContentRect); 971 contentBounds.set(displayContentRect); 972 int imeTop = Math.max(imeWin.getFrameLw().top, contentBounds.top); 973 974 imeTop += imeWin.getGivenContentInsetsLw().top; 975 if (contentBounds.bottom > imeTop) { 976 contentBounds.bottom = imeTop; 977 } 978 979 final int yOffset = displayContentRect.bottom - contentBounds.bottom; 980 981 final int dividerWidth = 982 getDisplayContent().mDividerControllerLocked.getContentWidth(); 983 final int dividerWidthInactive = 984 getDisplayContent().mDividerControllerLocked.getContentWidthInactive(); 985 986 if (dockedSide == DOCKED_TOP) { 987 // If this stack is docked on top, we make it smaller so the bottom stack is not 988 // occluded by IME. We shift its bottom up by the height of the IME, but 989 // leaves at least 30% of the top stack visible. 990 final int minTopStackBottom = 991 getMinTopStackBottom(displayContentRect, mBounds.bottom); 992 final int bottom = Math.max( 993 mBounds.bottom - yOffset + dividerWidth - dividerWidthInactive, 994 minTopStackBottom); 995 mTmpAdjustedBounds.set(mBounds); 996 mTmpAdjustedBounds.bottom = 997 (int) (mAdjustImeAmount * bottom + (1 - mAdjustImeAmount) * mBounds.bottom); 998 mFullyAdjustedImeBounds.set(mBounds); 999 } else { 1000 // When the stack is on bottom and has no focus, it's only adjusted for divider width. 1001 final int dividerWidthDelta = dividerWidthInactive - dividerWidth; 1002 1003 // When the stack is on bottom and has focus, it needs to be moved up so as to 1004 // not occluded by IME, and at the same time adjusted for divider width. 1005 // We try to move it up by the height of the IME window, but only to the extent 1006 // that leaves at least 30% of the top stack visible. 1007 // 'top' is where the top of bottom stack will move to in this case. 1008 final int topBeforeImeAdjust = mBounds.top - dividerWidth + dividerWidthInactive; 1009 final int minTopStackBottom = 1010 getMinTopStackBottom(displayContentRect, mBounds.top - dividerWidth); 1011 final int top = Math.max( 1012 mBounds.top - yOffset, minTopStackBottom + dividerWidthInactive); 1013 1014 mTmpAdjustedBounds.set(mBounds); 1015 // Account for the adjustment for IME and divider width separately. 1016 // (top - topBeforeImeAdjust) is the amount of movement due to IME only, 1017 // and dividerWidthDelta is due to divider width change only. 1018 mTmpAdjustedBounds.top = mBounds.top + 1019 (int) (mAdjustImeAmount * (top - topBeforeImeAdjust) + 1020 mAdjustDividerAmount * dividerWidthDelta); 1021 mFullyAdjustedImeBounds.set(mBounds); 1022 mFullyAdjustedImeBounds.top = top; 1023 mFullyAdjustedImeBounds.bottom = top + mBounds.height(); 1024 } 1025 return true; 1026 } 1027 1028 private boolean adjustForMinimizedDockedStack(float minimizeAmount) { 1029 final int dockSide = getDockSide(); 1030 if (dockSide == DOCKED_INVALID && !mTmpAdjustedBounds.isEmpty()) { 1031 return false; 1032 } 1033 1034 if (dockSide == DOCKED_TOP) { 1035 mService.getStableInsetsLocked(mTmpRect); 1036 int topInset = mTmpRect.top; 1037 mTmpAdjustedBounds.set(mBounds); 1038 mTmpAdjustedBounds.bottom = 1039 (int) (minimizeAmount * topInset + (1 - minimizeAmount) * mBounds.bottom); 1040 } else if (dockSide == DOCKED_LEFT) { 1041 mTmpAdjustedBounds.set(mBounds); 1042 final int width = mBounds.width(); 1043 mTmpAdjustedBounds.right = 1044 (int) (minimizeAmount * mDockedStackMinimizeThickness 1045 + (1 - minimizeAmount) * mBounds.right); 1046 mTmpAdjustedBounds.left = mTmpAdjustedBounds.right - width; 1047 } else if (dockSide == DOCKED_RIGHT) { 1048 mTmpAdjustedBounds.set(mBounds); 1049 mTmpAdjustedBounds.left = 1050 (int) (minimizeAmount * (mBounds.right - mDockedStackMinimizeThickness) 1051 + (1 - minimizeAmount) * mBounds.left); 1052 } 1053 return true; 1054 } 1055 1056 /** 1057 * @return the distance in pixels how much the stack gets minimized from it's original size 1058 */ 1059 int getMinimizeDistance() { 1060 final int dockSide = getDockSide(); 1061 if (dockSide == DOCKED_INVALID) { 1062 return 0; 1063 } 1064 1065 if (dockSide == DOCKED_TOP) { 1066 mService.getStableInsetsLocked(mTmpRect); 1067 int topInset = mTmpRect.top; 1068 return mBounds.bottom - topInset; 1069 } else if (dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT) { 1070 return mBounds.width() - mDockedStackMinimizeThickness; 1071 } else { 1072 return 0; 1073 } 1074 } 1075 1076 /** 1077 * Updates the adjustment depending on it's current state. 1078 */ 1079 private void updateAdjustedBounds() { 1080 boolean adjust = false; 1081 if (mMinimizeAmount != 0f) { 1082 adjust = adjustForMinimizedDockedStack(mMinimizeAmount); 1083 } else if (mAdjustedForIme) { 1084 adjust = adjustForIME(mImeWin); 1085 } 1086 if (!adjust) { 1087 mTmpAdjustedBounds.setEmpty(); 1088 } 1089 setAdjustedBounds(mTmpAdjustedBounds); 1090 1091 final boolean isImeTarget = (mService.getImeTargetStackLocked() == this); 1092 if (mAdjustedForIme && adjust && !isImeTarget) { 1093 final float alpha = Math.max(mAdjustImeAmount, mAdjustDividerAmount) 1094 * IME_ADJUST_DIM_AMOUNT; 1095 mService.setResizeDimLayer(true, mStackId, alpha); 1096 } 1097 } 1098 1099 void applyAdjustForImeIfNeeded(Task task) { 1100 if (mMinimizeAmount != 0f || !mAdjustedForIme || mAdjustedBounds.isEmpty()) { 1101 return; 1102 } 1103 1104 final Rect insetBounds = mImeGoingAway ? mBounds : mFullyAdjustedImeBounds; 1105 task.alignToAdjustedBounds(mAdjustedBounds, insetBounds, getDockSide() == DOCKED_TOP); 1106 mDisplayContent.layoutNeeded = true; 1107 } 1108 1109 boolean isAdjustedForMinimizedDockedStack() { 1110 return mMinimizeAmount != 0f; 1111 } 1112 1113 public void dump(String prefix, PrintWriter pw) { 1114 pw.println(prefix + "mStackId=" + mStackId); 1115 pw.println(prefix + "mDeferDetach=" + mDeferDetach); 1116 pw.println(prefix + "mFullscreen=" + mFullscreen); 1117 pw.println(prefix + "mBounds=" + mBounds.toShortString()); 1118 if (mMinimizeAmount != 0f) { 1119 pw.println(prefix + "mMinimizeAmout=" + mMinimizeAmount); 1120 } 1121 if (mAdjustedForIme) { 1122 pw.println(prefix + "mAdjustedForIme=true"); 1123 pw.println(prefix + "mAdjustImeAmount=" + mAdjustImeAmount); 1124 pw.println(prefix + "mAdjustDividerAmount=" + mAdjustDividerAmount); 1125 } 1126 if (!mAdjustedBounds.isEmpty()) { 1127 pw.println(prefix + "mAdjustedBounds=" + mAdjustedBounds.toShortString()); 1128 } 1129 for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; taskNdx--) { 1130 mTasks.get(taskNdx).dump(prefix + " ", pw); 1131 } 1132 if (mAnimationBackgroundSurface.isDimming()) { 1133 pw.println(prefix + "mWindowAnimationBackgroundSurface:"); 1134 mAnimationBackgroundSurface.printTo(prefix + " ", pw); 1135 } 1136 if (!mExitingAppTokens.isEmpty()) { 1137 pw.println(); 1138 pw.println(" Exiting application tokens:"); 1139 for (int i = mExitingAppTokens.size() - 1; i >= 0; i--) { 1140 WindowToken token = mExitingAppTokens.get(i); 1141 pw.print(" Exiting App #"); pw.print(i); 1142 pw.print(' '); pw.print(token); 1143 pw.println(':'); 1144 token.dump(pw, " "); 1145 } 1146 } 1147 } 1148 1149 /** Fullscreen status of the stack without adjusting for other factors in the system like 1150 * visibility of docked stack. 1151 * Most callers should be using {@link #isFullscreen} as it take into consideration other 1152 * system factors. */ 1153 boolean getRawFullscreen() { 1154 return mFullscreen; 1155 } 1156 1157 @Override 1158 public boolean dimFullscreen() { 1159 return mStackId == HOME_STACK_ID || isFullscreen(); 1160 } 1161 1162 boolean isFullscreen() { 1163 if (useCurrentBounds()) { 1164 return mFullscreen; 1165 } 1166 // The bounds has been adjusted to accommodate for a docked stack, but the docked stack 1167 // is not currently visible. Go ahead a represent it as fullscreen to the rest of the 1168 // system. 1169 return true; 1170 } 1171 1172 @Override 1173 public DisplayInfo getDisplayInfo() { 1174 return mDisplayContent.getDisplayInfo(); 1175 } 1176 1177 @Override 1178 public String toString() { 1179 return "{stackId=" + mStackId + " tasks=" + mTasks + "}"; 1180 } 1181 1182 @Override 1183 public String toShortString() { 1184 return "Stack=" + mStackId; 1185 } 1186 1187 /** 1188 * For docked workspace (or workspace that's side-by-side to the docked), provides 1189 * information which side of the screen was the dock anchored. 1190 */ 1191 int getDockSide() { 1192 return getDockSide(mBounds); 1193 } 1194 1195 int getDockSide(Rect bounds) { 1196 if (mStackId != DOCKED_STACK_ID && !StackId.isResizeableByDockedStack(mStackId)) { 1197 return DOCKED_INVALID; 1198 } 1199 if (mDisplayContent == null) { 1200 return DOCKED_INVALID; 1201 } 1202 mDisplayContent.getLogicalDisplayRect(mTmpRect); 1203 final int orientation = mService.mCurConfiguration.orientation; 1204 return getDockSideUnchecked(bounds, mTmpRect, orientation); 1205 } 1206 1207 static int getDockSideUnchecked(Rect bounds, Rect displayRect, int orientation) { 1208 if (orientation == Configuration.ORIENTATION_PORTRAIT) { 1209 // Portrait mode, docked either at the top or the bottom. 1210 if (bounds.top - displayRect.top <= displayRect.bottom - bounds.bottom) { 1211 return DOCKED_TOP; 1212 } else { 1213 return DOCKED_BOTTOM; 1214 } 1215 } else if (orientation == Configuration.ORIENTATION_LANDSCAPE) { 1216 // Landscape mode, docked either on the left or on the right. 1217 if (bounds.left - displayRect.left <= displayRect.right - bounds.right) { 1218 return DOCKED_LEFT; 1219 } else { 1220 return DOCKED_RIGHT; 1221 } 1222 } else { 1223 return DOCKED_INVALID; 1224 } 1225 } 1226 1227 boolean isVisibleLocked() { 1228 final boolean keyguardOn = mService.mPolicy.isKeyguardShowingOrOccluded() 1229 && !mService.mAnimator.mKeyguardGoingAway; 1230 if (keyguardOn && !StackId.isAllowedOverLockscreen(mStackId)) { 1231 // The keyguard is showing and the stack shouldn't show on top of the keyguard. 1232 return false; 1233 } 1234 1235 for (int i = mTasks.size() - 1; i >= 0; i--) { 1236 final Task task = mTasks.get(i); 1237 for (int j = task.mAppTokens.size() - 1; j >= 0; j--) { 1238 if (!task.mAppTokens.get(j).hidden) { 1239 return true; 1240 } 1241 } 1242 } 1243 1244 return false; 1245 } 1246 1247 /** 1248 * @return true if a the stack is visible for the current in user, ignoring any other visibility 1249 * aspects, and false otherwise 1250 */ 1251 boolean isVisibleForUserLocked() { 1252 for (int i = mTasks.size() - 1; i >= 0; i--) { 1253 final Task task = mTasks.get(i); 1254 if (task.isVisibleForUser()) { 1255 return true; 1256 } 1257 } 1258 return false; 1259 } 1260 1261 boolean isDragResizing() { 1262 return mDragResizing; 1263 } 1264 1265 void setDragResizingLocked(boolean resizing) { 1266 if (mDragResizing == resizing) { 1267 return; 1268 } 1269 mDragResizing = resizing; 1270 for (int i = mTasks.size() - 1; i >= 0 ; i--) { 1271 mTasks.get(i).resetDragResizingChangeReported(); 1272 } 1273 } 1274 1275 @Override // AnimatesBounds 1276 public boolean setSize(Rect bounds) { 1277 synchronized (mService.mWindowMap) { 1278 if (mDisplayContent == null) { 1279 return false; 1280 } 1281 } 1282 try { 1283 mService.mActivityManager.resizeStack(mStackId, bounds, false, true, false, -1); 1284 } catch (RemoteException e) { 1285 } 1286 return true; 1287 } 1288 1289 public boolean setPinnedStackSize(Rect bounds, Rect tempTaskBounds) { 1290 synchronized (mService.mWindowMap) { 1291 if (mDisplayContent == null) { 1292 return false; 1293 } 1294 if (mStackId != PINNED_STACK_ID) { 1295 Slog.w(TAG_WM, "Attempt to use pinned stack resize animation helper on" 1296 + "non pinned stack"); 1297 return false; 1298 } 1299 } 1300 try { 1301 mService.mActivityManager.resizePinnedStack(bounds, tempTaskBounds); 1302 } catch (RemoteException e) { 1303 // I don't believe you. 1304 } 1305 return true; 1306 } 1307 1308 void forceWindowsScaleable(Task task, boolean force) { 1309 SurfaceControl.openTransaction(); 1310 try { 1311 final ArrayList<AppWindowToken> activities = task.mAppTokens; 1312 for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { 1313 final ArrayList<WindowState> windows = activities.get(activityNdx).allAppWindows; 1314 for (int winNdx = windows.size() - 1; winNdx >= 0; --winNdx) { 1315 final WindowStateAnimator winAnimator = windows.get(winNdx).mWinAnimator; 1316 if (winAnimator == null || !winAnimator.hasSurface()) { 1317 continue; 1318 } 1319 winAnimator.mSurfaceController.forceScaleableInTransaction(force); 1320 } 1321 } 1322 } finally { 1323 SurfaceControl.closeTransaction(); 1324 } 1325 } 1326 1327 @Override // AnimatesBounds 1328 public void onAnimationStart() { 1329 synchronized (mService.mWindowMap) { 1330 mFreezeMovementAnimations = true; 1331 mBoundsAnimating = true; 1332 } 1333 } 1334 1335 @Override // AnimatesBounds 1336 public void onAnimationEnd() { 1337 synchronized (mService.mWindowMap) { 1338 mFreezeMovementAnimations = false; 1339 mBoundsAnimating = false; 1340 mService.requestTraversal(); 1341 } 1342 if (mStackId == PINNED_STACK_ID) { 1343 try { 1344 mService.mActivityManager.notifyPinnedStackAnimationEnded(); 1345 } catch (RemoteException e) { 1346 // I don't believe you... 1347 } 1348 } 1349 } 1350 1351 @Override 1352 public void moveToFullscreen() { 1353 try { 1354 mService.mActivityManager.moveTasksToFullscreenStack(mStackId, true); 1355 } catch (RemoteException e) { 1356 e.printStackTrace(); 1357 } 1358 } 1359 1360 @Override 1361 public void getFullScreenBounds(Rect bounds) { 1362 getDisplayContent().getContentRect(bounds); 1363 } 1364 1365 public boolean getFreezeMovementAnimations() { 1366 return mFreezeMovementAnimations; 1367 } 1368 1369 public boolean getForceScaleToCrop() { 1370 return mBoundsAnimating; 1371 } 1372 1373 public boolean getBoundsAnimating() { 1374 return mBoundsAnimating; 1375 } 1376} 1377