/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.wm;
import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
import static android.app.ActivityManager.StackId.HOME_STACK_ID;
import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL;
import static android.view.WindowManager.LayoutParams.TYPE_TOAST;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY;
import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
import static com.android.server.wm.WindowState.RESIZE_HANDLE_WIDTH_IN_DP;
import android.app.ActivityManager.StackId;
import android.graphics.Matrix;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Region;
import android.graphics.Region.Op;
import android.util.DisplayMetrics;
import android.util.Slog;
import android.view.Display;
import android.view.DisplayInfo;
import android.view.Surface;
import android.view.animation.Animation;
import java.io.PrintWriter;
import java.util.ArrayList;
class DisplayContentList extends ArrayList<DisplayContent> {
}
/**
* Utility class for keeping track of the WindowStates and other pertinent contents of a
* particular Display.
*
* IMPORTANT: No method from this class should ever be used without holding
* WindowManagerService.mWindowMap.
*/
class DisplayContent {
/** Unique identifier of this stack. */
private final int mDisplayId;
/** Z-ordered (bottom-most first) list of all Window objects. Assigned to an element
* from mDisplayWindows; */
private final WindowList mWindows = new WindowList();
int mInitialDisplayWidth = 0;
int mInitialDisplayHeight = 0;
int mInitialDisplayDensity = 0;
int mBaseDisplayWidth = 0;
int mBaseDisplayHeight = 0;
int mBaseDisplayDensity = 0;
boolean mDisplayScalingDisabled;
private final DisplayInfo mDisplayInfo = new DisplayInfo();
private final Display mDisplay;
private final DisplayMetrics mDisplayMetrics = new DisplayMetrics();
Rect mBaseDisplayRect = new Rect();
Rect mContentRect = new Rect();
// Accessed directly by all users.
boolean layoutNeeded;
int pendingLayoutChanges;
final boolean isDefaultDisplay;
/** Window tokens that are in the process of exiting, but still on screen for animations. */
final ArrayList<WindowToken> mExitingTokens = new ArrayList<>();
/** Array containing all TaskStacks on this display. Array
* is stored in display order with the current bottom stack at 0. */
private final ArrayList<TaskStack> mStacks = new ArrayList<>();
/** A special TaskStack with id==HOME_STACK_ID that moves to the bottom whenever any TaskStack
* (except a future lockscreen TaskStack) moves to the top. */
private TaskStack mHomeStack = null;
/** Detect user tapping outside of current focused task bounds .*/
TaskTapPointerEventListener mTapDetector;
/** Detect user tapping outside of current focused stack bounds .*/
Region mTouchExcludeRegion = new Region();
/** Detect user tapping in a non-resizeable task in docked or fullscreen stack .*/
Region mNonResizeableRegion = new Region();
/** Save allocating when calculating rects */
private final Rect mTmpRect = new Rect();
private final Rect mTmpRect2 = new Rect();
private final RectF mTmpRectF = new RectF();
private final Matrix mTmpMatrix = new Matrix();
private final Region mTmpRegion = new Region();
/** For gathering Task objects in order. */
final ArrayList<Task> mTmpTaskHistory = new ArrayList<Task>();
final WindowManagerService mService;
/** Remove this display when animation on it has completed. */
boolean mDeferredRemoval;
final DockedStackDividerController mDividerControllerLocked;
final DimLayerController mDimLayerController;
final ArrayList<WindowState> mTapExcludedWindows = new ArrayList<>();
/**
* @param display May not be null.
* @param service You know.
*/
DisplayContent(Display display, WindowManagerService service) {
mDisplay = display;
mDisplayId = display.getDisplayId();
display.getDisplayInfo(mDisplayInfo);
display.getMetrics(mDisplayMetrics);
isDefaultDisplay = mDisplayId == Display.DEFAULT_DISPLAY;
mService = service;
initializeDisplayBaseInfo();
mDividerControllerLocked = new DockedStackDividerController(service, this);
mDimLayerController = new DimLayerController(this);
}
int getDisplayId() {
return mDisplayId;
}
WindowList getWindowList() {
return mWindows;
}
Display getDisplay() {
return mDisplay;
}
DisplayInfo getDisplayInfo() {
return mDisplayInfo;
}
DisplayMetrics getDisplayMetrics() {
return mDisplayMetrics;
}
DockedStackDividerController getDockedDividerController() {
return mDividerControllerLocked;
}
/**
* Returns true if the specified UID has access to this display.
*/
public boolean hasAccess(int uid) {
return mDisplay.hasAccess(uid);
}
public boolean isPrivate() {
return (mDisplay.getFlags() & Display.FLAG_PRIVATE) != 0;
}
ArrayList<TaskStack> getStacks() {
return mStacks;
}
/**
* Retrieve the tasks on this display in stack order from the bottommost TaskStack up.
* @return All the Tasks, in order, on this display.
*/
ArrayList<Task> getTasks() {
mTmpTaskHistory.clear();
final int numStacks = mStacks.size();
for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) {
mTmpTaskHistory.addAll(mStacks.get(stackNdx).getTasks());
}
return mTmpTaskHistory;
}
TaskStack getHomeStack() {
if (mHomeStack == null && mDisplayId == Display.DEFAULT_DISPLAY) {
Slog.e(TAG_WM, "getHomeStack: Returning null from this=" + this);
}
return mHomeStack;
}
TaskStack getStackById(int stackId) {
for (int i = mStacks.size() - 1; i >= 0; --i) {
final TaskStack stack = mStacks.get(i);
if (stack.mStackId == stackId) {
return stack;
}
}
return null;
}
void updateDisplayInfo() {
mDisplay.getDisplayInfo(mDisplayInfo);
mDisplay.getMetrics(mDisplayMetrics);
for (int i = mStacks.size() - 1; i >= 0; --i) {
mStacks.get(i).updateDisplayInfo(null);
}
}
void initializeDisplayBaseInfo() {
// Bootstrap the default logical display from the display manager.
final DisplayInfo newDisplayInfo =
mService.mDisplayManagerInternal.getDisplayInfo(mDisplayId);
if (newDisplayInfo != null) {
mDisplayInfo.copyFrom(newDisplayInfo);
}
mBaseDisplayWidth = mInitialDisplayWidth = mDisplayInfo.logicalWidth;
mBaseDisplayHeight = mInitialDisplayHeight = mDisplayInfo.logicalHeight;
mBaseDisplayDensity = mInitialDisplayDensity = mDisplayInfo.logicalDensityDpi;
mBaseDisplayRect.set(0, 0, mBaseDisplayWidth, mBaseDisplayHeight);
}
void getLogicalDisplayRect(Rect out) {
// Uses same calculation as in LogicalDisplay#configureDisplayInTransactionLocked.
final int orientation = mDisplayInfo.rotation;
boolean rotated = (orientation == Surface.ROTATION_90
|| orientation == Surface.ROTATION_270);
final int physWidth = rotated ? mBaseDisplayHeight : mBaseDisplayWidth;
final int physHeight = rotated ? mBaseDisplayWidth : mBaseDisplayHeight;
int width = mDisplayInfo.logicalWidth;
int left = (physWidth - width) / 2;
int height = mDisplayInfo.logicalHeight;
int top = (physHeight - height) / 2;
out.set(left, top, left + width, top + height);
}
private void getLogicalDisplayRect(Rect out, int orientation) {
getLogicalDisplayRect(out);
// Rotate the Rect if needed.
final int currentRotation = mDisplayInfo.rotation;
final int rotationDelta = deltaRotation(currentRotation, orientation);
if (rotationDelta == Surface.ROTATION_90 || rotationDelta == Surface.ROTATION_270) {
createRotationMatrix(rotationDelta, mBaseDisplayWidth, mBaseDisplayHeight, mTmpMatrix);
mTmpRectF.set(out);
mTmpMatrix.mapRect(mTmpRectF);
mTmpRectF.round(out);
}
}
void getContentRect(Rect out) {
out.set(mContentRect);
}
/** Refer to {@link WindowManagerService#attachStack(int, int, boolean)} */
void attachStack(TaskStack stack, boolean onTop) {
if (stack.mStackId == HOME_STACK_ID) {
if (mHomeStack != null) {
throw new IllegalArgumentException("attachStack: HOME_STACK_ID (0) not first.");
}
mHomeStack = stack;
}
if (onTop) {
mStacks.add(stack);
} else {
mStacks.add(0, stack);
}
layoutNeeded = true;
}
void moveStack(TaskStack stack, boolean toTop) {
if (StackId.isAlwaysOnTop(stack.mStackId) && !toTop) {
// This stack is always-on-top silly...
Slog.w(TAG_WM, "Ignoring move of always-on-top stack=" + stack + " to bottom");
return;
}
if (!mStacks.remove(stack)) {
Slog.wtf(TAG_WM, "moving stack that was not added: " + stack, new Throwable());
}
int addIndex = toTop ? mStacks.size() : 0;
if (toTop
&& mService.isStackVisibleLocked(PINNED_STACK_ID)
&& stack.mStackId != PINNED_STACK_ID) {
// The pinned stack is always the top most stack (always-on-top) when it is visible.
// So, stack is moved just below the pinned stack.
addIndex--;
TaskStack topStack = mStacks.get(addIndex);
if (topStack.mStackId != PINNED_STACK_ID) {
throw new IllegalStateException("Pinned stack isn't top stack??? " + mStacks);
}
}
mStacks.add(addIndex, stack);
}
void detachStack(TaskStack stack) {
mDimLayerController.removeDimLayerUser(stack);
mStacks.remove(stack);
}
/**
* Propagate the new bounds to all child stacks.
* @param contentRect The bounds to apply at the top level.
*/
void resize(Rect contentRect) {
mContentRect.set(contentRect);
}
int taskIdFromPoint(int x, int y) {
for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
TaskStack stack = mStacks.get(stackNdx);
stack.getBounds(mTmpRect);
if (!mTmpRect.contains(x, y) || stack.isAdjustedForMinimizedDockedStack()) {
continue;
}
final ArrayList<Task> tasks = stack.getTasks();
for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
final Task task = tasks.get(taskNdx);
final WindowState win = task.getTopVisibleAppMainWindow();
if (win == null) {
continue;
}
// We need to use the task's dim bounds (which is derived from the visible
// bounds of its apps windows) for any touch-related tests. Can't use
// the task's original bounds because it might be adjusted to fit the
// content frame. For example, the presence of the IME adjusting the
// windows frames when the app window is the IME target.
task.getDimBounds(mTmpRect);
if (mTmpRect.contains(x, y)) {
return task.mTaskId;
}
}
}
return -1;
}
/**
* Find the task whose outside touch area (for resizing) (x, y) falls within.
* Returns null if the touch doesn't fall into a resizing area.
*/
Task findTaskForControlPoint(int x, int y) {
final int delta = mService.dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics);
for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
TaskStack stack = mStacks.get(stackNdx);
if (!StackId.isTaskResizeAllowed(stack.mStackId)) {
break;
}
final ArrayList<Task> tasks = stack.getTasks();
for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
final Task task = tasks.get(taskNdx);
if (task.isFullscreen()) {
return null;
}
// We need to use the task's dim bounds (which is derived from the visible
// bounds of its apps windows) for any touch-related tests. Can't use
// the task's original bounds because it might be adjusted to fit the
// content frame. One example is when the task is put to top-left quadrant,
// the actual visible area would not start at (0,0) after it's adjusted
// for the status bar.
task.getDimBounds(mTmpRect);
mTmpRect.inset(-delta, -delta);
if (mTmpRect.contains(x, y)) {
mTmpRect.inset(delta, delta);
if (!mTmpRect.contains(x, y)) {
return task;
}
// User touched inside the task. No need to look further,
// focus transfer will be handled in ACTION_UP.
return null;
}
}
}
return null;
}
void setTouchExcludeRegion(Task focusedTask) {
mTouchExcludeRegion.set(mBaseDisplayRect);
final int delta = mService.dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics);
boolean addBackFocusedTask = false;
mNonResizeableRegion.setEmpty();
for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
TaskStack stack = mStacks.get(stackNdx);
final ArrayList<Task> tasks = stack.getTasks();
for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
final Task task = tasks.get(taskNdx);
AppWindowToken token = task.getTopVisibleAppToken();
if (token == null || !token.isVisible()) {
continue;
}
/**
* Exclusion region is the region that TapDetector doesn't care about.
* Here we want to remove all non-focused tasks from the exclusion region.
* We also remove the outside touch area for resizing for all freeform
* tasks (including the focused).
*
* We save the focused task region once we find it, and add it back at the end.
*/
task.getDimBounds(mTmpRect);
if (task == focusedTask) {
addBackFocusedTask = true;
mTmpRect2.set(mTmpRect);
}
final boolean isFreeformed = task.inFreeformWorkspace();
if (task != focusedTask || isFreeformed) {
if (isFreeformed) {
// If the task is freeformed, enlarge the area to account for outside
// touch area for resize.
mTmpRect.inset(-delta, -delta);
// Intersect with display content rect. If we have system decor (status bar/
// navigation bar), we want to exclude that from the tap detection.
// Otherwise, if the app is partially placed under some system button (eg.
// Recents, Home), pressing that button would cause a full series of
// unwanted transfer focus/resume/pause, before we could go home.
mTmpRect.intersect(mContentRect);
}
mTouchExcludeRegion.op(mTmpRect, Region.Op.DIFFERENCE);
}
if (task.isTwoFingerScrollMode()) {
stack.getBounds(mTmpRect);
mNonResizeableRegion.op(mTmpRect, Region.Op.UNION);
break;
}
}
}
// If we removed the focused task above, add it back and only leave its
// outside touch area in the exclusion. TapDectector is not interested in
// any touch inside the focused task itself.
if (addBackFocusedTask) {
mTouchExcludeRegion.op(mTmpRect2, Region.Op.UNION);
}
final WindowState inputMethod = mService.mInputMethodWindow;
if (inputMethod != null && inputMethod.isVisibleLw()) {
// If the input method is visible and the user is typing, we don't want these touch
// events to be intercepted and used to change focus. This would likely cause a
// disappearance of the input method.
inputMethod.getTouchableRegion(mTmpRegion);
mTouchExcludeRegion.op(mTmpRegion, Region.Op.UNION);
}
for (int i = mTapExcludedWindows.size() - 1; i >= 0; i--) {
WindowState win = mTapExcludedWindows.get(i);
win.getTouchableRegion(mTmpRegion);
mTouchExcludeRegion.op(mTmpRegion, Region.Op.UNION);
}
if (getDockedStackVisibleForUserLocked() != null) {
mDividerControllerLocked.getTouchRegion(mTmpRect);
mTmpRegion.set(mTmpRect);
mTouchExcludeRegion.op(mTmpRegion, Op.UNION);
}
if (mTapDetector != null) {
mTapDetector.setTouchExcludeRegion(mTouchExcludeRegion, mNonResizeableRegion);
}
}
void switchUserStacks() {
final WindowList windows = getWindowList();
for (int i = 0; i < windows.size(); i++) {
final WindowState win = windows.get(i);
if (win.isHiddenFromUserLocked()) {
if (DEBUG_VISIBILITY) Slog.w(TAG_WM, "user changing, hiding " + win
+ ", attrs=" + win.mAttrs.type + ", belonging to " + win.mOwnerUid);
win.hideLw(false);
}
}
for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
mStacks.get(stackNdx).switchUser();
}
}
void resetAnimationBackgroundAnimator() {
for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
mStacks.get(stackNdx).resetAnimationBackgroundAnimator();
}
}
boolean animateDimLayers() {
return mDimLayerController.animateDimLayers();
}
void resetDimming() {
mDimLayerController.resetDimming();
}
boolean isDimming() {
return mDimLayerController.isDimming();
}
void stopDimmingIfNeeded() {
mDimLayerController.stopDimmingIfNeeded();
}
void close() {
mDimLayerController.close();
for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
mStacks.get(stackNdx).close();
}
}
boolean isAnimating() {
for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
final TaskStack stack = mStacks.get(stackNdx);
if (stack.isAnimating()) {
return true;
}
}
return false;
}
void checkForDeferredActions() {
boolean animating = false;
for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
final TaskStack stack = mStacks.get(stackNdx);
if (stack.isAnimating()) {
animating = true;
} else {
if (stack.mDeferDetach) {
mService.detachStackLocked(this, stack);
}
final ArrayList<Task> tasks = stack.getTasks();
for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
final Task task = tasks.get(taskNdx);
AppTokenList tokens = task.mAppTokens;
for (int tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx) {
AppWindowToken wtoken = tokens.get(tokenNdx);
if (wtoken.mIsExiting) {
wtoken.removeAppFromTaskLocked();
}
}
}
}
}
if (!animating && mDeferredRemoval) {
mService.onDisplayRemoved(mDisplayId);
}
}
void rotateBounds(int oldRotation, int newRotation, Rect bounds) {
getLogicalDisplayRect(mTmpRect, newRotation);
// Compute a transform matrix to undo the coordinate space transformation,
// and present the window at the same physical position it previously occupied.
final int deltaRotation = deltaRotation(newRotation, oldRotation);
createRotationMatrix(deltaRotation, mTmpRect.width(), mTmpRect.height(), mTmpMatrix);
mTmpRectF.set(bounds);
mTmpMatrix.mapRect(mTmpRectF);
mTmpRectF.round(bounds);
}
static int deltaRotation(int oldRotation, int newRotation) {
int delta = newRotation - oldRotation;
if (delta < 0) delta += 4;
return delta;
}
static void createRotationMatrix(int rotation, float displayWidth, float displayHeight,
Matrix outMatrix) {
// For rotations without Z-ordering we don't need the target rectangle's position.
createRotationMatrix(rotation, 0 /* rectLeft */, 0 /* rectTop */, displayWidth,
displayHeight, outMatrix);
}
static void createRotationMatrix(int rotation, float rectLeft, float rectTop,
float displayWidth, float displayHeight, Matrix outMatrix) {
switch (rotation) {
case Surface.ROTATION_0:
outMatrix.reset();
break;
case Surface.ROTATION_270:
outMatrix.setRotate(270, 0, 0);
outMatrix.postTranslate(0, displayHeight);
outMatrix.postTranslate(rectTop, 0);
break;
case Surface.ROTATION_180:
outMatrix.reset();
break;
case Surface.ROTATION_90:
outMatrix.setRotate(90, 0, 0);
outMatrix.postTranslate(displayWidth, 0);
outMatrix.postTranslate(-rectTop, rectLeft);
break;
}
}
public void dump(String prefix, PrintWriter pw) {
pw.print(prefix); pw.print("Display: mDisplayId="); pw.println(mDisplayId);
final String subPrefix = " " + prefix;
pw.print(subPrefix); pw.print("init="); pw.print(mInitialDisplayWidth); pw.print("x");
pw.print(mInitialDisplayHeight); pw.print(" "); pw.print(mInitialDisplayDensity);
pw.print("dpi");
if (mInitialDisplayWidth != mBaseDisplayWidth
|| mInitialDisplayHeight != mBaseDisplayHeight
|| mInitialDisplayDensity != mBaseDisplayDensity) {
pw.print(" base=");
pw.print(mBaseDisplayWidth); pw.print("x"); pw.print(mBaseDisplayHeight);
pw.print(" "); pw.print(mBaseDisplayDensity); pw.print("dpi");
}
if (mDisplayScalingDisabled) {
pw.println(" noscale");
}
pw.print(" cur=");
pw.print(mDisplayInfo.logicalWidth);
pw.print("x"); pw.print(mDisplayInfo.logicalHeight);
pw.print(" app=");
pw.print(mDisplayInfo.appWidth);
pw.print("x"); pw.print(mDisplayInfo.appHeight);
pw.print(" rng="); pw.print(mDisplayInfo.smallestNominalAppWidth);
pw.print("x"); pw.print(mDisplayInfo.smallestNominalAppHeight);
pw.print("-"); pw.print(mDisplayInfo.largestNominalAppWidth);
pw.print("x"); pw.println(mDisplayInfo.largestNominalAppHeight);
pw.print(subPrefix); pw.print("deferred="); pw.print(mDeferredRemoval);
pw.print(" layoutNeeded="); pw.println(layoutNeeded);
pw.println();
pw.println(" Application tokens in top down Z order:");
for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
final TaskStack stack = mStacks.get(stackNdx);
stack.dump(prefix + " ", pw);
}
pw.println();
if (!mExitingTokens.isEmpty()) {
pw.println();
pw.println(" Exiting tokens:");
for (int i = mExitingTokens.size() - 1; i >= 0; i--) {
WindowToken token = mExitingTokens.get(i);
pw.print(" Exiting #"); pw.print(i);
pw.print(' '); pw.print(token);
pw.println(':');
token.dump(pw, " ");
}
}
pw.println();
mDimLayerController.dump(prefix + " ", pw);
pw.println();
mDividerControllerLocked.dump(prefix + " ", pw);
}
@Override
public String toString() {
return "Display " + mDisplayId + " info=" + mDisplayInfo + " stacks=" + mStacks;
}
/**
* @return The docked stack, but only if it is visible, and {@code null} otherwise.
*/
TaskStack getDockedStackLocked() {
final TaskStack stack = mService.mStackIdToStack.get(DOCKED_STACK_ID);
return (stack != null && stack.isVisibleLocked()) ? stack : null;
}
/**
* Like {@link #getDockedStackLocked}, but also returns the docked stack if it's currently not
* visible, as long as it's not hidden because the current user doesn't have any tasks there.
*/
TaskStack getDockedStackVisibleForUserLocked() {
final TaskStack stack = mService.mStackIdToStack.get(DOCKED_STACK_ID);
return (stack != null && stack.isVisibleLocked(true /* ignoreKeyguard */)) ? stack : null;
}
/**
* Find the visible, touch-deliverable window under the given point
*/
WindowState getTouchableWinAtPointLocked(float xf, float yf) {
WindowState touchedWin = null;
final int x = (int) xf;
final int y = (int) yf;
for (int i = mWindows.size() - 1; i >= 0; i--) {
WindowState window = mWindows.get(i);
final int flags = window.mAttrs.flags;
if (!window.isVisibleLw()) {
continue;
}
if ((flags & FLAG_NOT_TOUCHABLE) != 0) {
continue;
}
window.getVisibleBounds(mTmpRect);
if (!mTmpRect.contains(x, y)) {
continue;
}
window.getTouchableRegion(mTmpRegion);
final int touchFlags = flags & (FLAG_NOT_FOCUSABLE | FLAG_NOT_TOUCH_MODAL);
if (mTmpRegion.contains(x, y) || touchFlags == 0) {
touchedWin = window;
break;
}
}
return touchedWin;
}
/**
* See {@link WindowManagerService#overridePlayingAppAnimationsLw}.
*/
void overridePlayingAppAnimationsLw(Animation a) {
for (int i = mStacks.size() - 1; i >= 0; i--) {
mStacks.get(i).overridePlayingAppAnimations(a);
}
}
boolean canAddToastWindowForUid(int uid) {
// We allow one toast window per UID being shown at a time.
WindowList windows = getWindowList();
final int windowCount = windows.size();
for (int i = 0; i < windowCount; i++) {
WindowState window = windows.get(i);
if (window.mAttrs.type == TYPE_TOAST && window.mOwnerUid == uid
&& !window.isRemovedOrHidden()) {
return false;
}
}
return true;
}
void scheduleToastWindowsTimeoutIfNeededLocked(WindowState oldFocus,
WindowState newFocus) {
if (oldFocus == null || (newFocus != null && newFocus.mOwnerUid == oldFocus.mOwnerUid)) {
return;
}
final int lostFocusUid = oldFocus.mOwnerUid;
WindowList windows = getWindowList();
final int windowCount = windows.size();
for (int i = 0; i < windowCount; i++) {
WindowState window = windows.get(i);
if (window.mAttrs.type == TYPE_TOAST && window.mOwnerUid == lostFocusUid) {
if (!mService.mH.hasMessages(WindowManagerService.H.WINDOW_HIDE_TIMEOUT, window)) {
mService.mH.sendMessageDelayed(
mService.mH.obtainMessage(
WindowManagerService.H.WINDOW_HIDE_TIMEOUT, window),
window.mAttrs.hideTimeoutMilliseconds);
}
}
}
}
}