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 17 package com.android.server.wm; 18 19 import static android.app.ActivityManager.StackId.DOCKED_STACK_ID; 20 import static android.app.ActivityManager.StackId.HOME_STACK_ID; 21 import static android.app.ActivityManager.StackId.PINNED_STACK_ID; 22 import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; 23 import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; 24 import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL; 25 import static android.view.WindowManager.LayoutParams.TYPE_TOAST; 26 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY; 27 import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; 28 import static com.android.server.wm.WindowState.RESIZE_HANDLE_WIDTH_IN_DP; 29 30 import android.app.ActivityManager.StackId; 31 import android.graphics.Matrix; 32 import android.graphics.Rect; 33 import android.graphics.RectF; 34 import android.graphics.Region; 35 import android.graphics.Region.Op; 36 import android.util.DisplayMetrics; 37 import android.util.Slog; 38 import android.view.Display; 39 import android.view.DisplayInfo; 40 import android.view.Surface; 41 import android.view.animation.Animation; 42 43 import java.io.PrintWriter; 44 import java.util.ArrayList; 45 46 class DisplayContentList extends ArrayList<DisplayContent> { 47 } 48 49 /** 50 * Utility class for keeping track of the WindowStates and other pertinent contents of a 51 * particular Display. 52 * 53 * IMPORTANT: No method from this class should ever be used without holding 54 * WindowManagerService.mWindowMap. 55 */ 56 class DisplayContent { 57 58 /** Unique identifier of this stack. */ 59 private final int mDisplayId; 60 61 /** Z-ordered (bottom-most first) list of all Window objects. Assigned to an element 62 * from mDisplayWindows; */ 63 private final WindowList mWindows = new WindowList(); 64 65 int mInitialDisplayWidth = 0; 66 int mInitialDisplayHeight = 0; 67 int mInitialDisplayDensity = 0; 68 int mBaseDisplayWidth = 0; 69 int mBaseDisplayHeight = 0; 70 int mBaseDisplayDensity = 0; 71 boolean mDisplayScalingDisabled; 72 private final DisplayInfo mDisplayInfo = new DisplayInfo(); 73 private final Display mDisplay; 74 private final DisplayMetrics mDisplayMetrics = new DisplayMetrics(); 75 76 Rect mBaseDisplayRect = new Rect(); 77 Rect mContentRect = new Rect(); 78 79 // Accessed directly by all users. 80 boolean layoutNeeded; 81 int pendingLayoutChanges; 82 final boolean isDefaultDisplay; 83 84 /** Window tokens that are in the process of exiting, but still on screen for animations. */ 85 final ArrayList<WindowToken> mExitingTokens = new ArrayList<>(); 86 87 /** Array containing all TaskStacks on this display. Array 88 * is stored in display order with the current bottom stack at 0. */ 89 private final ArrayList<TaskStack> mStacks = new ArrayList<>(); 90 91 /** A special TaskStack with id==HOME_STACK_ID that moves to the bottom whenever any TaskStack 92 * (except a future lockscreen TaskStack) moves to the top. */ 93 private TaskStack mHomeStack = null; 94 95 /** Detect user tapping outside of current focused task bounds .*/ 96 TaskTapPointerEventListener mTapDetector; 97 98 /** Detect user tapping outside of current focused stack bounds .*/ 99 Region mTouchExcludeRegion = new Region(); 100 101 /** Detect user tapping in a non-resizeable task in docked or fullscreen stack .*/ 102 Region mNonResizeableRegion = new Region(); 103 104 /** Save allocating when calculating rects */ 105 private final Rect mTmpRect = new Rect(); 106 private final Rect mTmpRect2 = new Rect(); 107 private final RectF mTmpRectF = new RectF(); 108 private final Matrix mTmpMatrix = new Matrix(); 109 private final Region mTmpRegion = new Region(); 110 111 /** For gathering Task objects in order. */ 112 final ArrayList<Task> mTmpTaskHistory = new ArrayList<Task>(); 113 114 final WindowManagerService mService; 115 116 /** Remove this display when animation on it has completed. */ 117 boolean mDeferredRemoval; 118 119 final DockedStackDividerController mDividerControllerLocked; 120 121 final DimLayerController mDimLayerController; 122 123 final ArrayList<WindowState> mTapExcludedWindows = new ArrayList<>(); 124 125 /** 126 * @param display May not be null. 127 * @param service You know. 128 */ 129 DisplayContent(Display display, WindowManagerService service) { 130 mDisplay = display; 131 mDisplayId = display.getDisplayId(); 132 display.getDisplayInfo(mDisplayInfo); 133 display.getMetrics(mDisplayMetrics); 134 isDefaultDisplay = mDisplayId == Display.DEFAULT_DISPLAY; 135 mService = service; 136 initializeDisplayBaseInfo(); 137 mDividerControllerLocked = new DockedStackDividerController(service, this); 138 mDimLayerController = new DimLayerController(this); 139 } 140 141 int getDisplayId() { 142 return mDisplayId; 143 } 144 145 WindowList getWindowList() { 146 return mWindows; 147 } 148 149 Display getDisplay() { 150 return mDisplay; 151 } 152 153 DisplayInfo getDisplayInfo() { 154 return mDisplayInfo; 155 } 156 157 DisplayMetrics getDisplayMetrics() { 158 return mDisplayMetrics; 159 } 160 161 DockedStackDividerController getDockedDividerController() { 162 return mDividerControllerLocked; 163 } 164 165 /** 166 * Returns true if the specified UID has access to this display. 167 */ 168 public boolean hasAccess(int uid) { 169 return mDisplay.hasAccess(uid); 170 } 171 172 public boolean isPrivate() { 173 return (mDisplay.getFlags() & Display.FLAG_PRIVATE) != 0; 174 } 175 176 ArrayList<TaskStack> getStacks() { 177 return mStacks; 178 } 179 180 /** 181 * Retrieve the tasks on this display in stack order from the bottommost TaskStack up. 182 * @return All the Tasks, in order, on this display. 183 */ 184 ArrayList<Task> getTasks() { 185 mTmpTaskHistory.clear(); 186 final int numStacks = mStacks.size(); 187 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 188 mTmpTaskHistory.addAll(mStacks.get(stackNdx).getTasks()); 189 } 190 return mTmpTaskHistory; 191 } 192 193 TaskStack getHomeStack() { 194 if (mHomeStack == null && mDisplayId == Display.DEFAULT_DISPLAY) { 195 Slog.e(TAG_WM, "getHomeStack: Returning null from this=" + this); 196 } 197 return mHomeStack; 198 } 199 200 TaskStack getStackById(int stackId) { 201 for (int i = mStacks.size() - 1; i >= 0; --i) { 202 final TaskStack stack = mStacks.get(i); 203 if (stack.mStackId == stackId) { 204 return stack; 205 } 206 } 207 return null; 208 } 209 210 void updateDisplayInfo() { 211 mDisplay.getDisplayInfo(mDisplayInfo); 212 mDisplay.getMetrics(mDisplayMetrics); 213 for (int i = mStacks.size() - 1; i >= 0; --i) { 214 mStacks.get(i).updateDisplayInfo(null); 215 } 216 } 217 218 void initializeDisplayBaseInfo() { 219 // Bootstrap the default logical display from the display manager. 220 final DisplayInfo newDisplayInfo = 221 mService.mDisplayManagerInternal.getDisplayInfo(mDisplayId); 222 if (newDisplayInfo != null) { 223 mDisplayInfo.copyFrom(newDisplayInfo); 224 } 225 mBaseDisplayWidth = mInitialDisplayWidth = mDisplayInfo.logicalWidth; 226 mBaseDisplayHeight = mInitialDisplayHeight = mDisplayInfo.logicalHeight; 227 mBaseDisplayDensity = mInitialDisplayDensity = mDisplayInfo.logicalDensityDpi; 228 mBaseDisplayRect.set(0, 0, mBaseDisplayWidth, mBaseDisplayHeight); 229 } 230 231 void getLogicalDisplayRect(Rect out) { 232 // Uses same calculation as in LogicalDisplay#configureDisplayInTransactionLocked. 233 final int orientation = mDisplayInfo.rotation; 234 boolean rotated = (orientation == Surface.ROTATION_90 235 || orientation == Surface.ROTATION_270); 236 final int physWidth = rotated ? mBaseDisplayHeight : mBaseDisplayWidth; 237 final int physHeight = rotated ? mBaseDisplayWidth : mBaseDisplayHeight; 238 int width = mDisplayInfo.logicalWidth; 239 int left = (physWidth - width) / 2; 240 int height = mDisplayInfo.logicalHeight; 241 int top = (physHeight - height) / 2; 242 out.set(left, top, left + width, top + height); 243 } 244 245 private void getLogicalDisplayRect(Rect out, int orientation) { 246 getLogicalDisplayRect(out); 247 248 // Rotate the Rect if needed. 249 final int currentRotation = mDisplayInfo.rotation; 250 final int rotationDelta = deltaRotation(currentRotation, orientation); 251 if (rotationDelta == Surface.ROTATION_90 || rotationDelta == Surface.ROTATION_270) { 252 createRotationMatrix(rotationDelta, mBaseDisplayWidth, mBaseDisplayHeight, mTmpMatrix); 253 mTmpRectF.set(out); 254 mTmpMatrix.mapRect(mTmpRectF); 255 mTmpRectF.round(out); 256 } 257 } 258 259 void getContentRect(Rect out) { 260 out.set(mContentRect); 261 } 262 263 /** Refer to {@link WindowManagerService#attachStack(int, int, boolean)} */ 264 void attachStack(TaskStack stack, boolean onTop) { 265 if (stack.mStackId == HOME_STACK_ID) { 266 if (mHomeStack != null) { 267 throw new IllegalArgumentException("attachStack: HOME_STACK_ID (0) not first."); 268 } 269 mHomeStack = stack; 270 } 271 if (onTop) { 272 mStacks.add(stack); 273 } else { 274 mStacks.add(0, stack); 275 } 276 layoutNeeded = true; 277 } 278 279 void moveStack(TaskStack stack, boolean toTop) { 280 if (StackId.isAlwaysOnTop(stack.mStackId) && !toTop) { 281 // This stack is always-on-top silly... 282 Slog.w(TAG_WM, "Ignoring move of always-on-top stack=" + stack + " to bottom"); 283 return; 284 } 285 286 if (!mStacks.remove(stack)) { 287 Slog.wtf(TAG_WM, "moving stack that was not added: " + stack, new Throwable()); 288 } 289 290 int addIndex = toTop ? mStacks.size() : 0; 291 292 if (toTop 293 && mService.isStackVisibleLocked(PINNED_STACK_ID) 294 && stack.mStackId != PINNED_STACK_ID) { 295 // The pinned stack is always the top most stack (always-on-top) when it is visible. 296 // So, stack is moved just below the pinned stack. 297 addIndex--; 298 TaskStack topStack = mStacks.get(addIndex); 299 if (topStack.mStackId != PINNED_STACK_ID) { 300 throw new IllegalStateException("Pinned stack isn't top stack??? " + mStacks); 301 } 302 } 303 mStacks.add(addIndex, stack); 304 } 305 306 void detachStack(TaskStack stack) { 307 mDimLayerController.removeDimLayerUser(stack); 308 mStacks.remove(stack); 309 } 310 311 /** 312 * Propagate the new bounds to all child stacks. 313 * @param contentRect The bounds to apply at the top level. 314 */ 315 void resize(Rect contentRect) { 316 mContentRect.set(contentRect); 317 } 318 319 int taskIdFromPoint(int x, int y) { 320 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 321 TaskStack stack = mStacks.get(stackNdx); 322 stack.getBounds(mTmpRect); 323 if (!mTmpRect.contains(x, y) || stack.isAdjustedForMinimizedDockedStack()) { 324 continue; 325 } 326 final ArrayList<Task> tasks = stack.getTasks(); 327 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 328 final Task task = tasks.get(taskNdx); 329 final WindowState win = task.getTopVisibleAppMainWindow(); 330 if (win == null) { 331 continue; 332 } 333 // We need to use the task's dim bounds (which is derived from the visible 334 // bounds of its apps windows) for any touch-related tests. Can't use 335 // the task's original bounds because it might be adjusted to fit the 336 // content frame. For example, the presence of the IME adjusting the 337 // windows frames when the app window is the IME target. 338 task.getDimBounds(mTmpRect); 339 if (mTmpRect.contains(x, y)) { 340 return task.mTaskId; 341 } 342 } 343 } 344 return -1; 345 } 346 347 /** 348 * Find the task whose outside touch area (for resizing) (x, y) falls within. 349 * Returns null if the touch doesn't fall into a resizing area. 350 */ 351 Task findTaskForControlPoint(int x, int y) { 352 final int delta = mService.dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics); 353 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 354 TaskStack stack = mStacks.get(stackNdx); 355 if (!StackId.isTaskResizeAllowed(stack.mStackId)) { 356 break; 357 } 358 final ArrayList<Task> tasks = stack.getTasks(); 359 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 360 final Task task = tasks.get(taskNdx); 361 if (task.isFullscreen()) { 362 return null; 363 } 364 365 // We need to use the task's dim bounds (which is derived from the visible 366 // bounds of its apps windows) for any touch-related tests. Can't use 367 // the task's original bounds because it might be adjusted to fit the 368 // content frame. One example is when the task is put to top-left quadrant, 369 // the actual visible area would not start at (0,0) after it's adjusted 370 // for the status bar. 371 task.getDimBounds(mTmpRect); 372 mTmpRect.inset(-delta, -delta); 373 if (mTmpRect.contains(x, y)) { 374 mTmpRect.inset(delta, delta); 375 if (!mTmpRect.contains(x, y)) { 376 return task; 377 } 378 // User touched inside the task. No need to look further, 379 // focus transfer will be handled in ACTION_UP. 380 return null; 381 } 382 } 383 } 384 return null; 385 } 386 387 void setTouchExcludeRegion(Task focusedTask) { 388 mTouchExcludeRegion.set(mBaseDisplayRect); 389 final int delta = mService.dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics); 390 boolean addBackFocusedTask = false; 391 mNonResizeableRegion.setEmpty(); 392 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 393 TaskStack stack = mStacks.get(stackNdx); 394 final ArrayList<Task> tasks = stack.getTasks(); 395 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 396 final Task task = tasks.get(taskNdx); 397 AppWindowToken token = task.getTopVisibleAppToken(); 398 if (token == null || !token.isVisible()) { 399 continue; 400 } 401 402 /** 403 * Exclusion region is the region that TapDetector doesn't care about. 404 * Here we want to remove all non-focused tasks from the exclusion region. 405 * We also remove the outside touch area for resizing for all freeform 406 * tasks (including the focused). 407 * 408 * We save the focused task region once we find it, and add it back at the end. 409 */ 410 411 task.getDimBounds(mTmpRect); 412 413 if (task == focusedTask) { 414 addBackFocusedTask = true; 415 mTmpRect2.set(mTmpRect); 416 } 417 418 final boolean isFreeformed = task.inFreeformWorkspace(); 419 if (task != focusedTask || isFreeformed) { 420 if (isFreeformed) { 421 // If the task is freeformed, enlarge the area to account for outside 422 // touch area for resize. 423 mTmpRect.inset(-delta, -delta); 424 // Intersect with display content rect. If we have system decor (status bar/ 425 // navigation bar), we want to exclude that from the tap detection. 426 // Otherwise, if the app is partially placed under some system button (eg. 427 // Recents, Home), pressing that button would cause a full series of 428 // unwanted transfer focus/resume/pause, before we could go home. 429 mTmpRect.intersect(mContentRect); 430 } 431 mTouchExcludeRegion.op(mTmpRect, Region.Op.DIFFERENCE); 432 } 433 if (task.isTwoFingerScrollMode()) { 434 stack.getBounds(mTmpRect); 435 mNonResizeableRegion.op(mTmpRect, Region.Op.UNION); 436 break; 437 } 438 } 439 } 440 // If we removed the focused task above, add it back and only leave its 441 // outside touch area in the exclusion. TapDectector is not interested in 442 // any touch inside the focused task itself. 443 if (addBackFocusedTask) { 444 mTouchExcludeRegion.op(mTmpRect2, Region.Op.UNION); 445 } 446 final WindowState inputMethod = mService.mInputMethodWindow; 447 if (inputMethod != null && inputMethod.isVisibleLw()) { 448 // If the input method is visible and the user is typing, we don't want these touch 449 // events to be intercepted and used to change focus. This would likely cause a 450 // disappearance of the input method. 451 inputMethod.getTouchableRegion(mTmpRegion); 452 mTouchExcludeRegion.op(mTmpRegion, Region.Op.UNION); 453 } 454 for (int i = mTapExcludedWindows.size() - 1; i >= 0; i--) { 455 WindowState win = mTapExcludedWindows.get(i); 456 win.getTouchableRegion(mTmpRegion); 457 mTouchExcludeRegion.op(mTmpRegion, Region.Op.UNION); 458 } 459 if (getDockedStackVisibleForUserLocked() != null) { 460 mDividerControllerLocked.getTouchRegion(mTmpRect); 461 mTmpRegion.set(mTmpRect); 462 mTouchExcludeRegion.op(mTmpRegion, Op.UNION); 463 } 464 if (mTapDetector != null) { 465 mTapDetector.setTouchExcludeRegion(mTouchExcludeRegion, mNonResizeableRegion); 466 } 467 } 468 469 void switchUserStacks() { 470 final WindowList windows = getWindowList(); 471 for (int i = 0; i < windows.size(); i++) { 472 final WindowState win = windows.get(i); 473 if (win.isHiddenFromUserLocked()) { 474 if (DEBUG_VISIBILITY) Slog.w(TAG_WM, "user changing, hiding " + win 475 + ", attrs=" + win.mAttrs.type + ", belonging to " + win.mOwnerUid); 476 win.hideLw(false); 477 } 478 } 479 480 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 481 mStacks.get(stackNdx).switchUser(); 482 } 483 } 484 485 void resetAnimationBackgroundAnimator() { 486 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 487 mStacks.get(stackNdx).resetAnimationBackgroundAnimator(); 488 } 489 } 490 491 boolean animateDimLayers() { 492 return mDimLayerController.animateDimLayers(); 493 } 494 495 void resetDimming() { 496 mDimLayerController.resetDimming(); 497 } 498 499 boolean isDimming() { 500 return mDimLayerController.isDimming(); 501 } 502 503 void stopDimmingIfNeeded() { 504 mDimLayerController.stopDimmingIfNeeded(); 505 } 506 507 void close() { 508 mDimLayerController.close(); 509 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 510 mStacks.get(stackNdx).close(); 511 } 512 } 513 514 boolean isAnimating() { 515 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 516 final TaskStack stack = mStacks.get(stackNdx); 517 if (stack.isAnimating()) { 518 return true; 519 } 520 } 521 return false; 522 } 523 524 void checkForDeferredActions() { 525 boolean animating = false; 526 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 527 final TaskStack stack = mStacks.get(stackNdx); 528 if (stack.isAnimating()) { 529 animating = true; 530 } else { 531 if (stack.mDeferDetach) { 532 mService.detachStackLocked(this, stack); 533 } 534 final ArrayList<Task> tasks = stack.getTasks(); 535 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 536 final Task task = tasks.get(taskNdx); 537 AppTokenList tokens = task.mAppTokens; 538 for (int tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx) { 539 AppWindowToken wtoken = tokens.get(tokenNdx); 540 if (wtoken.mIsExiting) { 541 wtoken.removeAppFromTaskLocked(); 542 } 543 } 544 } 545 } 546 } 547 if (!animating && mDeferredRemoval) { 548 mService.onDisplayRemoved(mDisplayId); 549 } 550 } 551 552 void rotateBounds(int oldRotation, int newRotation, Rect bounds) { 553 getLogicalDisplayRect(mTmpRect, newRotation); 554 555 // Compute a transform matrix to undo the coordinate space transformation, 556 // and present the window at the same physical position it previously occupied. 557 final int deltaRotation = deltaRotation(newRotation, oldRotation); 558 createRotationMatrix(deltaRotation, mTmpRect.width(), mTmpRect.height(), mTmpMatrix); 559 560 mTmpRectF.set(bounds); 561 mTmpMatrix.mapRect(mTmpRectF); 562 mTmpRectF.round(bounds); 563 } 564 565 static int deltaRotation(int oldRotation, int newRotation) { 566 int delta = newRotation - oldRotation; 567 if (delta < 0) delta += 4; 568 return delta; 569 } 570 571 static void createRotationMatrix(int rotation, float displayWidth, float displayHeight, 572 Matrix outMatrix) { 573 // For rotations without Z-ordering we don't need the target rectangle's position. 574 createRotationMatrix(rotation, 0 /* rectLeft */, 0 /* rectTop */, displayWidth, 575 displayHeight, outMatrix); 576 } 577 578 static void createRotationMatrix(int rotation, float rectLeft, float rectTop, 579 float displayWidth, float displayHeight, Matrix outMatrix) { 580 switch (rotation) { 581 case Surface.ROTATION_0: 582 outMatrix.reset(); 583 break; 584 case Surface.ROTATION_270: 585 outMatrix.setRotate(270, 0, 0); 586 outMatrix.postTranslate(0, displayHeight); 587 outMatrix.postTranslate(rectTop, 0); 588 break; 589 case Surface.ROTATION_180: 590 outMatrix.reset(); 591 break; 592 case Surface.ROTATION_90: 593 outMatrix.setRotate(90, 0, 0); 594 outMatrix.postTranslate(displayWidth, 0); 595 outMatrix.postTranslate(-rectTop, rectLeft); 596 break; 597 } 598 } 599 600 public void dump(String prefix, PrintWriter pw) { 601 pw.print(prefix); pw.print("Display: mDisplayId="); pw.println(mDisplayId); 602 final String subPrefix = " " + prefix; 603 pw.print(subPrefix); pw.print("init="); pw.print(mInitialDisplayWidth); pw.print("x"); 604 pw.print(mInitialDisplayHeight); pw.print(" "); pw.print(mInitialDisplayDensity); 605 pw.print("dpi"); 606 if (mInitialDisplayWidth != mBaseDisplayWidth 607 || mInitialDisplayHeight != mBaseDisplayHeight 608 || mInitialDisplayDensity != mBaseDisplayDensity) { 609 pw.print(" base="); 610 pw.print(mBaseDisplayWidth); pw.print("x"); pw.print(mBaseDisplayHeight); 611 pw.print(" "); pw.print(mBaseDisplayDensity); pw.print("dpi"); 612 } 613 if (mDisplayScalingDisabled) { 614 pw.println(" noscale"); 615 } 616 pw.print(" cur="); 617 pw.print(mDisplayInfo.logicalWidth); 618 pw.print("x"); pw.print(mDisplayInfo.logicalHeight); 619 pw.print(" app="); 620 pw.print(mDisplayInfo.appWidth); 621 pw.print("x"); pw.print(mDisplayInfo.appHeight); 622 pw.print(" rng="); pw.print(mDisplayInfo.smallestNominalAppWidth); 623 pw.print("x"); pw.print(mDisplayInfo.smallestNominalAppHeight); 624 pw.print("-"); pw.print(mDisplayInfo.largestNominalAppWidth); 625 pw.print("x"); pw.println(mDisplayInfo.largestNominalAppHeight); 626 pw.print(subPrefix); pw.print("deferred="); pw.print(mDeferredRemoval); 627 pw.print(" layoutNeeded="); pw.println(layoutNeeded); 628 629 pw.println(); 630 pw.println(" Application tokens in top down Z order:"); 631 for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { 632 final TaskStack stack = mStacks.get(stackNdx); 633 stack.dump(prefix + " ", pw); 634 } 635 636 pw.println(); 637 if (!mExitingTokens.isEmpty()) { 638 pw.println(); 639 pw.println(" Exiting tokens:"); 640 for (int i = mExitingTokens.size() - 1; i >= 0; i--) { 641 WindowToken token = mExitingTokens.get(i); 642 pw.print(" Exiting #"); pw.print(i); 643 pw.print(' '); pw.print(token); 644 pw.println(':'); 645 token.dump(pw, " "); 646 } 647 } 648 pw.println(); 649 mDimLayerController.dump(prefix + " ", pw); 650 pw.println(); 651 mDividerControllerLocked.dump(prefix + " ", pw); 652 } 653 654 @Override 655 public String toString() { 656 return "Display " + mDisplayId + " info=" + mDisplayInfo + " stacks=" + mStacks; 657 } 658 659 /** 660 * @return The docked stack, but only if it is visible, and {@code null} otherwise. 661 */ 662 TaskStack getDockedStackLocked() { 663 final TaskStack stack = mService.mStackIdToStack.get(DOCKED_STACK_ID); 664 return (stack != null && stack.isVisibleLocked()) ? stack : null; 665 } 666 667 /** 668 * Like {@link #getDockedStackLocked}, but also returns the docked stack if it's currently not 669 * visible, as long as it's not hidden because the current user doesn't have any tasks there. 670 */ 671 TaskStack getDockedStackVisibleForUserLocked() { 672 final TaskStack stack = mService.mStackIdToStack.get(DOCKED_STACK_ID); 673 return (stack != null && stack.isVisibleLocked(true /* ignoreKeyguard */)) ? stack : null; 674 } 675 676 /** 677 * Find the visible, touch-deliverable window under the given point 678 */ 679 WindowState getTouchableWinAtPointLocked(float xf, float yf) { 680 WindowState touchedWin = null; 681 final int x = (int) xf; 682 final int y = (int) yf; 683 684 for (int i = mWindows.size() - 1; i >= 0; i--) { 685 WindowState window = mWindows.get(i); 686 final int flags = window.mAttrs.flags; 687 if (!window.isVisibleLw()) { 688 continue; 689 } 690 if ((flags & FLAG_NOT_TOUCHABLE) != 0) { 691 continue; 692 } 693 694 window.getVisibleBounds(mTmpRect); 695 if (!mTmpRect.contains(x, y)) { 696 continue; 697 } 698 699 window.getTouchableRegion(mTmpRegion); 700 701 final int touchFlags = flags & (FLAG_NOT_FOCUSABLE | FLAG_NOT_TOUCH_MODAL); 702 if (mTmpRegion.contains(x, y) || touchFlags == 0) { 703 touchedWin = window; 704 break; 705 } 706 } 707 708 return touchedWin; 709 } 710 711 /** 712 * See {@link WindowManagerService#overridePlayingAppAnimationsLw}. 713 */ 714 void overridePlayingAppAnimationsLw(Animation a) { 715 for (int i = mStacks.size() - 1; i >= 0; i--) { 716 mStacks.get(i).overridePlayingAppAnimations(a); 717 } 718 } 719 720 boolean canAddToastWindowForUid(int uid) { 721 // We allow one toast window per UID being shown at a time. 722 WindowList windows = getWindowList(); 723 final int windowCount = windows.size(); 724 for (int i = 0; i < windowCount; i++) { 725 WindowState window = windows.get(i); 726 if (window.mAttrs.type == TYPE_TOAST && window.mOwnerUid == uid 727 && !window.isRemovedOrHidden()) { 728 return false; 729 } 730 } 731 return true; 732 } 733 734 void scheduleToastWindowsTimeoutIfNeededLocked(WindowState oldFocus, 735 WindowState newFocus) { 736 if (oldFocus == null || (newFocus != null && newFocus.mOwnerUid == oldFocus.mOwnerUid)) { 737 return; 738 } 739 final int lostFocusUid = oldFocus.mOwnerUid; 740 WindowList windows = getWindowList(); 741 final int windowCount = windows.size(); 742 for (int i = 0; i < windowCount; i++) { 743 WindowState window = windows.get(i); 744 if (window.mAttrs.type == TYPE_TOAST && window.mOwnerUid == lostFocusUid) { 745 if (!mService.mH.hasMessages(WindowManagerService.H.WINDOW_HIDE_TIMEOUT, window)) { 746 mService.mH.sendMessageDelayed( 747 mService.mH.obtainMessage( 748 WindowManagerService.H.WINDOW_HIDE_TIMEOUT, window), 749 window.mAttrs.hideTimeoutMilliseconds); 750 } 751 } 752 } 753 } 754 } 755