DisplayContent.java revision 94cee2b6125db6cc47e210c9dd45906d6a7c4382
1/* 2 * Copyright (C) 2012 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.StackId.DOCKED_STACK_ID; 20import static android.app.ActivityManager.StackId.HOME_STACK_ID; 21import static android.app.ActivityManager.StackId.PINNED_STACK_ID; 22import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; 23import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; 24import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL; 25import static android.view.WindowManager.LayoutParams.TYPE_TOAST; 26import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY; 27import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; 28import static com.android.server.wm.WindowState.RESIZE_HANDLE_WIDTH_IN_DP; 29 30import android.app.ActivityManager.StackId; 31import android.graphics.Rect; 32import android.graphics.Region; 33import android.graphics.Region.Op; 34import android.hardware.display.DisplayManagerInternal; 35import android.util.DisplayMetrics; 36import android.util.Slog; 37import android.view.Display; 38import android.view.DisplayInfo; 39import android.view.Surface; 40import android.view.animation.Animation; 41 42import java.io.PrintWriter; 43import java.util.ArrayList; 44 45class DisplayContentList extends ArrayList<DisplayContent> { 46} 47 48/** 49 * Utility class for keeping track of the WindowStates and other pertinent contents of a 50 * particular Display. 51 * 52 * IMPORTANT: No method from this class should ever be used without holding 53 * WindowManagerService.mWindowMap. 54 */ 55class DisplayContent { 56 57 /** Unique identifier of this stack. */ 58 private final int mDisplayId; 59 60 /** Z-ordered (bottom-most first) list of all Window objects. Assigned to an element 61 * from mDisplayWindows; */ 62 private final WindowList mWindows = new WindowList(); 63 64 int mInitialDisplayWidth = 0; 65 int mInitialDisplayHeight = 0; 66 int mInitialDisplayDensity = 0; 67 int mBaseDisplayWidth = 0; 68 int mBaseDisplayHeight = 0; 69 int mBaseDisplayDensity = 0; 70 boolean mDisplayScalingDisabled; 71 private final DisplayInfo mDisplayInfo = new DisplayInfo(); 72 private final Display mDisplay; 73 private final DisplayMetrics mDisplayMetrics = new DisplayMetrics(); 74 75 Rect mBaseDisplayRect = new Rect(); 76 Rect mContentRect = new Rect(); 77 78 // Accessed directly by all users. 79 boolean layoutNeeded; 80 int pendingLayoutChanges; 81 final boolean isDefaultDisplay; 82 83 /** Window tokens that are in the process of exiting, but still on screen for animations. */ 84 final ArrayList<WindowToken> mExitingTokens = new ArrayList<>(); 85 86 /** Array containing all TaskStacks on this display. Array 87 * is stored in display order with the current bottom stack at 0. */ 88 private final ArrayList<TaskStack> mStacks = new ArrayList<>(); 89 90 /** A special TaskStack with id==HOME_STACK_ID that moves to the bottom whenever any TaskStack 91 * (except a future lockscreen TaskStack) moves to the top. */ 92 private TaskStack mHomeStack = null; 93 94 /** Detect user tapping outside of current focused task bounds .*/ 95 TaskTapPointerEventListener mTapDetector; 96 97 /** Detect user tapping outside of current focused stack bounds .*/ 98 Region mTouchExcludeRegion = new Region(); 99 100 /** Save allocating when calculating rects */ 101 private final Rect mTmpRect = new Rect(); 102 private final Rect mTmpRect2 = new Rect(); 103 private final Region mTmpRegion = new Region(); 104 105 /** For gathering Task objects in order. */ 106 final ArrayList<Task> mTmpTaskHistory = new ArrayList<Task>(); 107 108 final WindowManagerService mService; 109 110 /** Remove this display when animation on it has completed. */ 111 boolean mDeferredRemoval; 112 113 final DockedStackDividerController mDividerControllerLocked; 114 115 final DimLayerController mDimLayerController; 116 117 final ArrayList<WindowState> mTapExcludedWindows = new ArrayList<>(); 118 119 /** 120 * @param display May not be null. 121 * @param service You know. 122 */ 123 DisplayContent(Display display, WindowManagerService service) { 124 mDisplay = display; 125 mDisplayId = display.getDisplayId(); 126 display.getDisplayInfo(mDisplayInfo); 127 display.getMetrics(mDisplayMetrics); 128 isDefaultDisplay = mDisplayId == Display.DEFAULT_DISPLAY; 129 mService = service; 130 initializeDisplayBaseInfo(); 131 mDividerControllerLocked = new DockedStackDividerController(service, this); 132 mDimLayerController = new DimLayerController(this); 133 } 134 135 int getDisplayId() { 136 return mDisplayId; 137 } 138 139 WindowList getWindowList() { 140 return mWindows; 141 } 142 143 Display getDisplay() { 144 return mDisplay; 145 } 146 147 DisplayInfo getDisplayInfo() { 148 return mDisplayInfo; 149 } 150 151 DisplayMetrics getDisplayMetrics() { 152 return mDisplayMetrics; 153 } 154 155 DockedStackDividerController getDockedDividerController() { 156 return mDividerControllerLocked; 157 } 158 159 /** 160 * Returns true if the specified UID has access to this display. 161 */ 162 public boolean hasAccess(int uid) { 163 return mDisplay.hasAccess(uid); 164 } 165 166 public boolean isPrivate() { 167 return (mDisplay.getFlags() & Display.FLAG_PRIVATE) != 0; 168 } 169 170 ArrayList<TaskStack> getStacks() { 171 return mStacks; 172 } 173 174 /** 175 * Retrieve the tasks on this display in stack order from the bottommost TaskStack up. 176 * @return All the Tasks, in order, on this display. 177 */ 178 ArrayList<Task> getTasks() { 179 mTmpTaskHistory.clear(); 180 final int numStacks = mStacks.size(); 181 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 182 mTmpTaskHistory.addAll(mStacks.get(stackNdx).getTasks()); 183 } 184 return mTmpTaskHistory; 185 } 186 187 TaskStack getHomeStack() { 188 if (mHomeStack == null && mDisplayId == Display.DEFAULT_DISPLAY) { 189 Slog.e(TAG_WM, "getHomeStack: Returning null from this=" + this); 190 } 191 return mHomeStack; 192 } 193 194 TaskStack getStackById(int stackId) { 195 for (int i = mStacks.size() - 1; i >= 0; --i) { 196 final TaskStack stack = mStacks.get(i); 197 if (stack.mStackId == stackId) { 198 return stack; 199 } 200 } 201 return null; 202 } 203 204 void updateDisplayInfo() { 205 mDisplay.getDisplayInfo(mDisplayInfo); 206 mDisplay.getMetrics(mDisplayMetrics); 207 for (int i = mStacks.size() - 1; i >= 0; --i) { 208 mStacks.get(i).updateDisplayInfo(null); 209 } 210 } 211 212 void initializeDisplayBaseInfo() { 213 final DisplayManagerInternal displayManagerInternal = mService.mDisplayManagerInternal; 214 if (displayManagerInternal != null) { 215 // Bootstrap the default logical display from the display manager. 216 final DisplayInfo newDisplayInfo = displayManagerInternal.getDisplayInfo(mDisplayId); 217 if (newDisplayInfo != null) { 218 mDisplayInfo.copyFrom(newDisplayInfo); 219 } 220 } 221 222 mBaseDisplayWidth = mInitialDisplayWidth = mDisplayInfo.logicalWidth; 223 mBaseDisplayHeight = mInitialDisplayHeight = mDisplayInfo.logicalHeight; 224 mBaseDisplayDensity = mInitialDisplayDensity = mDisplayInfo.logicalDensityDpi; 225 mBaseDisplayRect.set(0, 0, mBaseDisplayWidth, mBaseDisplayHeight); 226 } 227 228 void getLogicalDisplayRect(Rect out) { 229 // Uses same calculation as in LogicalDisplay#configureDisplayInTransactionLocked. 230 final int orientation = mDisplayInfo.rotation; 231 boolean rotated = (orientation == Surface.ROTATION_90 232 || orientation == Surface.ROTATION_270); 233 final int physWidth = rotated ? mBaseDisplayHeight : mBaseDisplayWidth; 234 final int physHeight = rotated ? mBaseDisplayWidth : mBaseDisplayHeight; 235 int width = mDisplayInfo.logicalWidth; 236 int left = (physWidth - width) / 2; 237 int height = mDisplayInfo.logicalHeight; 238 int top = (physHeight - height) / 2; 239 out.set(left, top, left + width, top + height); 240 } 241 242 void getContentRect(Rect out) { 243 out.set(mContentRect); 244 } 245 246 /** Refer to {@link WindowManagerService#attachStack(int, int, boolean)} */ 247 void attachStack(TaskStack stack, boolean onTop) { 248 if (stack.mStackId == HOME_STACK_ID) { 249 if (mHomeStack != null) { 250 throw new IllegalArgumentException("attachStack: HOME_STACK_ID (0) not first."); 251 } 252 mHomeStack = stack; 253 } 254 if (onTop) { 255 mStacks.add(stack); 256 } else { 257 mStacks.add(0, stack); 258 } 259 layoutNeeded = true; 260 } 261 262 void moveStack(TaskStack stack, boolean toTop) { 263 if (StackId.isAlwaysOnTop(stack.mStackId) && !toTop) { 264 // This stack is always-on-top silly... 265 Slog.w(TAG_WM, "Ignoring move of always-on-top stack=" + stack + " to bottom"); 266 return; 267 } 268 269 if (!mStacks.remove(stack)) { 270 Slog.wtf(TAG_WM, "moving stack that was not added: " + stack, new Throwable()); 271 } 272 273 int addIndex = toTop ? mStacks.size() : 0; 274 275 if (toTop 276 && mService.isStackVisibleLocked(PINNED_STACK_ID) 277 && stack.mStackId != PINNED_STACK_ID) { 278 // The pinned stack is always the top most stack (always-on-top) when it is visible. 279 // So, stack is moved just below the pinned stack. 280 addIndex--; 281 TaskStack topStack = mStacks.get(addIndex); 282 if (topStack.mStackId != PINNED_STACK_ID) { 283 throw new IllegalStateException("Pinned stack isn't top stack??? " + mStacks); 284 } 285 } 286 mStacks.add(addIndex, stack); 287 } 288 289 void detachStack(TaskStack stack) { 290 mDimLayerController.removeDimLayerUser(stack); 291 mStacks.remove(stack); 292 } 293 294 /** 295 * Propagate the new bounds to all child stacks. 296 * @param contentRect The bounds to apply at the top level. 297 */ 298 void resize(Rect contentRect) { 299 mContentRect.set(contentRect); 300 } 301 302 int taskIdFromPoint(int x, int y) { 303 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 304 TaskStack stack = mStacks.get(stackNdx); 305 stack.getBounds(mTmpRect); 306 if (!mTmpRect.contains(x, y) || stack.isAdjustedForMinimizedDockedStack()) { 307 continue; 308 } 309 final ArrayList<Task> tasks = stack.getTasks(); 310 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 311 final Task task = tasks.get(taskNdx); 312 final WindowState win = task.getTopVisibleAppMainWindow(); 313 if (win == null) { 314 continue; 315 } 316 // We need to use the task's dim bounds (which is derived from the visible 317 // bounds of its apps windows) for any touch-related tests. Can't use 318 // the task's original bounds because it might be adjusted to fit the 319 // content frame. For example, the presence of the IME adjusting the 320 // windows frames when the app window is the IME target. 321 task.getDimBounds(mTmpRect); 322 if (mTmpRect.contains(x, y)) { 323 return task.mTaskId; 324 } 325 } 326 } 327 return -1; 328 } 329 330 /** 331 * Find the task whose outside touch area (for resizing) (x, y) falls within. 332 * Returns null if the touch doesn't fall into a resizing area. 333 */ 334 Task findTaskForControlPoint(int x, int y) { 335 final int delta = mService.dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics); 336 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 337 TaskStack stack = mStacks.get(stackNdx); 338 if (!StackId.isTaskResizeAllowed(stack.mStackId)) { 339 break; 340 } 341 final ArrayList<Task> tasks = stack.getTasks(); 342 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 343 final Task task = tasks.get(taskNdx); 344 if (task.isFullscreen()) { 345 return null; 346 } 347 348 // We need to use the task's dim bounds (which is derived from the visible 349 // bounds of its apps windows) for any touch-related tests. Can't use 350 // the task's original bounds because it might be adjusted to fit the 351 // content frame. One example is when the task is put to top-left quadrant, 352 // the actual visible area would not start at (0,0) after it's adjusted 353 // for the status bar. 354 task.getDimBounds(mTmpRect); 355 mTmpRect.inset(-delta, -delta); 356 if (mTmpRect.contains(x, y)) { 357 mTmpRect.inset(delta, delta); 358 if (!mTmpRect.contains(x, y)) { 359 return task; 360 } 361 // User touched inside the task. No need to look further, 362 // focus transfer will be handled in ACTION_UP. 363 return null; 364 } 365 } 366 } 367 return null; 368 } 369 370 void setTouchExcludeRegion(Task focusedTask) { 371 mTouchExcludeRegion.set(mBaseDisplayRect); 372 final int delta = mService.dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics); 373 boolean addBackFocusedTask = false; 374 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 375 TaskStack stack = mStacks.get(stackNdx); 376 final ArrayList<Task> tasks = stack.getTasks(); 377 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 378 final Task task = tasks.get(taskNdx); 379 AppWindowToken token = task.getTopVisibleAppToken(); 380 if (token == null || !token.isVisible()) { 381 continue; 382 } 383 384 /** 385 * Exclusion region is the region that TapDetector doesn't care about. 386 * Here we want to remove all non-focused tasks from the exclusion region. 387 * We also remove the outside touch area for resizing for all freeform 388 * tasks (including the focused). 389 * 390 * We save the focused task region once we find it, and add it back at the end. 391 */ 392 393 task.getDimBounds(mTmpRect); 394 395 if (task == focusedTask) { 396 addBackFocusedTask = true; 397 mTmpRect2.set(mTmpRect); 398 } 399 400 final boolean isFreeformed = task.inFreeformWorkspace(); 401 if (task != focusedTask || isFreeformed) { 402 if (isFreeformed) { 403 // If the task is freeformed, enlarge the area to account for outside 404 // touch area for resize. 405 mTmpRect.inset(-delta, -delta); 406 // Intersect with display content rect. If we have system decor (status bar/ 407 // navigation bar), we want to exclude that from the tap detection. 408 // Otherwise, if the app is partially placed under some system button (eg. 409 // Recents, Home), pressing that button would cause a full series of 410 // unwanted transfer focus/resume/pause, before we could go home. 411 mTmpRect.intersect(mContentRect); 412 } 413 mTouchExcludeRegion.op(mTmpRect, Region.Op.DIFFERENCE); 414 } 415 } 416 } 417 // If we removed the focused task above, add it back and only leave its 418 // outside touch area in the exclusion. TapDectector is not interested in 419 // any touch inside the focused task itself. 420 if (addBackFocusedTask) { 421 mTouchExcludeRegion.op(mTmpRect2, Region.Op.UNION); 422 } 423 final WindowState inputMethod = mService.mInputMethodWindow; 424 if (inputMethod != null && inputMethod.isVisibleLw()) { 425 // If the input method is visible and the user is typing, we don't want these touch 426 // events to be intercepted and used to change focus. This would likely cause a 427 // disappearance of the input method. 428 inputMethod.getTouchableRegion(mTmpRegion); 429 mTouchExcludeRegion.op(mTmpRegion, Region.Op.UNION); 430 } 431 for (int i = mTapExcludedWindows.size() - 1; i >= 0; i--) { 432 WindowState win = mTapExcludedWindows.get(i); 433 win.getTouchableRegion(mTmpRegion); 434 mTouchExcludeRegion.op(mTmpRegion, Region.Op.UNION); 435 } 436 if (getDockedStackVisibleForUserLocked() != null) { 437 mDividerControllerLocked.getTouchRegion(mTmpRect); 438 mTmpRegion.set(mTmpRect); 439 mTouchExcludeRegion.op(mTmpRegion, Op.UNION); 440 } 441 if (mTapDetector != null) { 442 mTapDetector.setTouchExcludeRegion(mTouchExcludeRegion); 443 } 444 } 445 446 void switchUserStacks() { 447 final WindowList windows = getWindowList(); 448 for (int i = 0; i < windows.size(); i++) { 449 final WindowState win = windows.get(i); 450 if (win.isHiddenFromUserLocked()) { 451 if (DEBUG_VISIBILITY) Slog.w(TAG_WM, "user changing, hiding " + win 452 + ", attrs=" + win.mAttrs.type + ", belonging to " + win.mOwnerUid); 453 win.hideLw(false); 454 } 455 } 456 457 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 458 mStacks.get(stackNdx).switchUser(); 459 } 460 } 461 462 void resetAnimationBackgroundAnimator() { 463 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 464 mStacks.get(stackNdx).resetAnimationBackgroundAnimator(); 465 } 466 } 467 468 boolean animateDimLayers() { 469 return mDimLayerController.animateDimLayers(); 470 } 471 472 void resetDimming() { 473 mDimLayerController.resetDimming(); 474 } 475 476 boolean isDimming() { 477 return mDimLayerController.isDimming(); 478 } 479 480 void stopDimmingIfNeeded() { 481 mDimLayerController.stopDimmingIfNeeded(); 482 } 483 484 void close() { 485 mDimLayerController.close(); 486 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 487 mStacks.get(stackNdx).close(); 488 } 489 } 490 491 boolean isAnimating() { 492 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 493 final TaskStack stack = mStacks.get(stackNdx); 494 if (stack.isAnimating()) { 495 return true; 496 } 497 } 498 return false; 499 } 500 501 void checkForDeferredActions() { 502 boolean animating = false; 503 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 504 final TaskStack stack = mStacks.get(stackNdx); 505 if (stack.isAnimating()) { 506 animating = true; 507 } else { 508 if (stack.mDeferDetach) { 509 mService.detachStackLocked(this, stack); 510 } 511 final ArrayList<Task> tasks = stack.getTasks(); 512 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 513 final Task task = tasks.get(taskNdx); 514 AppTokenList tokens = task.mAppTokens; 515 for (int tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx) { 516 AppWindowToken wtoken = tokens.get(tokenNdx); 517 if (wtoken.mIsExiting) { 518 wtoken.removeIfPossible(); 519 } 520 } 521 } 522 } 523 } 524 if (!animating && mDeferredRemoval) { 525 mService.onDisplayRemoved(mDisplayId); 526 } 527 } 528 529 void rotateBounds(int oldRotation, int newRotation, Rect bounds) { 530 final int rotationDelta = DisplayContent.deltaRotation(oldRotation, newRotation); 531 getLogicalDisplayRect(mTmpRect); 532 switch (rotationDelta) { 533 case Surface.ROTATION_0: 534 mTmpRect2.set(bounds); 535 break; 536 case Surface.ROTATION_90: 537 mTmpRect2.top = mTmpRect.bottom - bounds.right; 538 mTmpRect2.left = bounds.top; 539 mTmpRect2.right = mTmpRect2.left + bounds.height(); 540 mTmpRect2.bottom = mTmpRect2.top + bounds.width(); 541 break; 542 case Surface.ROTATION_180: 543 mTmpRect2.top = mTmpRect.bottom - bounds.bottom; 544 mTmpRect2.left = mTmpRect.right - bounds.right; 545 mTmpRect2.right = mTmpRect2.left + bounds.width(); 546 mTmpRect2.bottom = mTmpRect2.top + bounds.height(); 547 break; 548 case Surface.ROTATION_270: 549 mTmpRect2.top = bounds.left; 550 mTmpRect2.left = mTmpRect.right - bounds.bottom; 551 mTmpRect2.right = mTmpRect2.left + bounds.height(); 552 mTmpRect2.bottom = mTmpRect2.top + bounds.width(); 553 break; 554 } 555 bounds.set(mTmpRect2); 556 } 557 558 static int deltaRotation(int oldRotation, int newRotation) { 559 int delta = newRotation - oldRotation; 560 if (delta < 0) delta += 4; 561 return delta; 562 } 563 564 public void dump(String prefix, PrintWriter pw) { 565 pw.print(prefix); pw.print("Display: mDisplayId="); pw.println(mDisplayId); 566 final String subPrefix = " " + prefix; 567 pw.print(subPrefix); pw.print("init="); pw.print(mInitialDisplayWidth); pw.print("x"); 568 pw.print(mInitialDisplayHeight); pw.print(" "); pw.print(mInitialDisplayDensity); 569 pw.print("dpi"); 570 if (mInitialDisplayWidth != mBaseDisplayWidth 571 || mInitialDisplayHeight != mBaseDisplayHeight 572 || mInitialDisplayDensity != mBaseDisplayDensity) { 573 pw.print(" base="); 574 pw.print(mBaseDisplayWidth); pw.print("x"); pw.print(mBaseDisplayHeight); 575 pw.print(" "); pw.print(mBaseDisplayDensity); pw.print("dpi"); 576 } 577 if (mDisplayScalingDisabled) { 578 pw.println(" noscale"); 579 } 580 pw.print(" cur="); 581 pw.print(mDisplayInfo.logicalWidth); 582 pw.print("x"); pw.print(mDisplayInfo.logicalHeight); 583 pw.print(" app="); 584 pw.print(mDisplayInfo.appWidth); 585 pw.print("x"); pw.print(mDisplayInfo.appHeight); 586 pw.print(" rng="); pw.print(mDisplayInfo.smallestNominalAppWidth); 587 pw.print("x"); pw.print(mDisplayInfo.smallestNominalAppHeight); 588 pw.print("-"); pw.print(mDisplayInfo.largestNominalAppWidth); 589 pw.print("x"); pw.println(mDisplayInfo.largestNominalAppHeight); 590 pw.print(subPrefix); pw.print("deferred="); pw.print(mDeferredRemoval); 591 pw.print(" layoutNeeded="); pw.println(layoutNeeded); 592 593 pw.println(); 594 pw.println(" Application tokens in top down Z order:"); 595 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 596 final TaskStack stack = mStacks.get(stackNdx); 597 stack.dump(prefix + " ", pw); 598 } 599 600 pw.println(); 601 if (!mExitingTokens.isEmpty()) { 602 pw.println(); 603 pw.println(" Exiting tokens:"); 604 for (int i = mExitingTokens.size() - 1; i >= 0; i--) { 605 WindowToken token = mExitingTokens.get(i); 606 pw.print(" Exiting #"); pw.print(i); 607 pw.print(' '); pw.print(token); 608 pw.println(':'); 609 token.dump(pw, " "); 610 } 611 } 612 pw.println(); 613 mDimLayerController.dump(prefix + " ", pw); 614 pw.println(); 615 mDividerControllerLocked.dump(prefix + " ", pw); 616 } 617 618 @Override 619 public String toString() { 620 return "Display " + mDisplayId + " info=" + mDisplayInfo + " stacks=" + mStacks; 621 } 622 623 /** 624 * @return The docked stack, but only if it is visible, and {@code null} otherwise. 625 */ 626 TaskStack getDockedStackLocked() { 627 final TaskStack stack = mService.mStackIdToStack.get(DOCKED_STACK_ID); 628 return (stack != null && stack.isVisible()) ? stack : null; 629 } 630 631 /** 632 * Like {@link #getDockedStackLocked}, but also returns the docked stack if it's currently not 633 * visible, as long as it's not hidden because the current user doesn't have any tasks there. 634 */ 635 TaskStack getDockedStackVisibleForUserLocked() { 636 final TaskStack stack = mService.mStackIdToStack.get(DOCKED_STACK_ID); 637 return (stack != null && stack.isVisible(true /* ignoreKeyguard */)) ? stack : null; 638 } 639 640 /** 641 * Find the visible, touch-deliverable window under the given point 642 */ 643 WindowState getTouchableWinAtPointLocked(float xf, float yf) { 644 WindowState touchedWin = null; 645 final int x = (int) xf; 646 final int y = (int) yf; 647 648 for (int i = mWindows.size() - 1; i >= 0; i--) { 649 WindowState window = mWindows.get(i); 650 final int flags = window.mAttrs.flags; 651 if (!window.isVisibleLw()) { 652 continue; 653 } 654 if ((flags & FLAG_NOT_TOUCHABLE) != 0) { 655 continue; 656 } 657 658 window.getVisibleBounds(mTmpRect); 659 if (!mTmpRect.contains(x, y)) { 660 continue; 661 } 662 663 window.getTouchableRegion(mTmpRegion); 664 665 final int touchFlags = flags & (FLAG_NOT_FOCUSABLE | FLAG_NOT_TOUCH_MODAL); 666 if (mTmpRegion.contains(x, y) || touchFlags == 0) { 667 touchedWin = window; 668 break; 669 } 670 } 671 672 return touchedWin; 673 } 674 675 /** 676 * See {@link WindowManagerService#overridePlayingAppAnimationsLw}. 677 */ 678 void overridePlayingAppAnimationsLw(Animation a) { 679 for (int i = mStacks.size() - 1; i >= 0; i--) { 680 mStacks.get(i).overridePlayingAppAnimations(a); 681 } 682 } 683 684 boolean canAddToastWindowForUid(int uid) { 685 // We allow one toast window per UID being shown at a time. 686 WindowList windows = getWindowList(); 687 final int windowCount = windows.size(); 688 for (int i = 0; i < windowCount; i++) { 689 WindowState window = windows.get(i); 690 if (window.mAttrs.type == TYPE_TOAST && window.mOwnerUid == uid 691 && !window.mPermanentlyHidden && !window.mAnimatingExit) { 692 return false; 693 } 694 } 695 return true; 696 } 697 698 void scheduleToastWindowsTimeoutIfNeededLocked(WindowState oldFocus, 699 WindowState newFocus) { 700 if (oldFocus == null || (newFocus != null && newFocus.mOwnerUid == oldFocus.mOwnerUid)) { 701 return; 702 } 703 final int lostFocusUid = oldFocus.mOwnerUid; 704 WindowList windows = getWindowList(); 705 final int windowCount = windows.size(); 706 for (int i = 0; i < windowCount; i++) { 707 WindowState window = windows.get(i); 708 if (window.mAttrs.type == TYPE_TOAST && window.mOwnerUid == lostFocusUid) { 709 if (!mService.mH.hasMessages(WindowManagerService.H.WINDOW_HIDE_TIMEOUT, window)) { 710 mService.mH.sendMessageDelayed( 711 mService.mH.obtainMessage( 712 WindowManagerService.H.WINDOW_HIDE_TIMEOUT, window), 713 window.mAttrs.hideTimeoutMilliseconds); 714 } 715 } 716 } 717 } 718} 719