| /* |
| * 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 com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID; |
| import static com.android.server.wm.WindowManagerService.DEBUG_VISIBILITY; |
| import static com.android.server.wm.WindowManagerService.TAG; |
| |
| import android.graphics.Rect; |
| import android.graphics.Region; |
| import android.util.Slog; |
| import android.view.Display; |
| import android.view.DisplayInfo; |
| import android.view.Surface; |
| |
| 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(); |
| |
| // This protects the following display size properties, so that |
| // getDisplaySize() doesn't need to acquire the global lock. This is |
| // needed because the window manager sometimes needs to use ActivityThread |
| // while it has its global state locked (for example to load animation |
| // resources), but the ActivityThread also needs get the current display |
| // size sometimes when it has its package lock held. |
| // |
| // These will only be modified with both mWindowMap and mDisplaySizeLock |
| // held (in that order) so the window manager doesn't need to acquire this |
| // lock when needing these values in its normal operation. |
| final Object mDisplaySizeLock = new Object(); |
| 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; |
| |
| 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<WindowToken>(); |
| |
| /** 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<TaskStack>(); |
| |
| /** 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 stack bounds .*/ |
| StackTapPointerEventListener mTapDetector; |
| |
| /** Detect user tapping outside of current focused stack bounds .*/ |
| Region mTouchExcludeRegion = new Region(); |
| |
| /** Save allocating when calculating rects */ |
| Rect mTmpRect = new Rect(); |
| |
| /** 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; |
| |
| /** |
| * @param display May not be null. |
| * @param service You know. |
| */ |
| DisplayContent(Display display, WindowManagerService service) { |
| mDisplay = display; |
| mDisplayId = display.getDisplayId(); |
| display.getDisplayInfo(mDisplayInfo); |
| isDefaultDisplay = mDisplayId == Display.DEFAULT_DISPLAY; |
| mService = service; |
| } |
| |
| int getDisplayId() { |
| return mDisplayId; |
| } |
| |
| WindowList getWindowList() { |
| return mWindows; |
| } |
| |
| Display getDisplay() { |
| return mDisplay; |
| } |
| |
| DisplayInfo getDisplayInfo() { |
| return mDisplayInfo; |
| } |
| |
| /** |
| * 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, "getHomeStack: Returning null from this=" + this); |
| } |
| return mHomeStack; |
| } |
| |
| void updateDisplayInfo() { |
| mDisplay.getDisplayInfo(mDisplayInfo); |
| for (int i = mStacks.size() - 1; i >= 0; --i) { |
| mStacks.get(i).updateDisplayInfo(); |
| } |
| } |
| |
| 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); |
| } |
| |
| /** Refer to {@link WindowManagerService#attachStack(int, int)} */ |
| void attachStack(TaskStack stack) { |
| if (stack.mStackId == HOME_STACK_ID) { |
| if (mHomeStack != null) { |
| throw new IllegalArgumentException("attachStack: HOME_STACK_ID (0) not first."); |
| } |
| mHomeStack = stack; |
| } |
| mStacks.add(stack); |
| layoutNeeded = true; |
| } |
| |
| void moveStack(TaskStack stack, boolean toTop) { |
| if (!mStacks.remove(stack)) { |
| Slog.wtf(TAG, "moving stack that was not added: " + stack, new Throwable()); |
| } |
| mStacks.add(toTop ? mStacks.size() : 0, stack); |
| } |
| |
| void detachStack(TaskStack 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 stackIdFromPoint(int x, int y) { |
| for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final TaskStack stack = mStacks.get(stackNdx); |
| stack.getBounds(mTmpRect); |
| if (mTmpRect.contains(x, y)) { |
| return stack.mStackId; |
| } |
| } |
| return -1; |
| } |
| |
| void setTouchExcludeRegion(TaskStack focusedStack) { |
| mTouchExcludeRegion.set(mBaseDisplayRect); |
| WindowList windows = getWindowList(); |
| for (int i = windows.size() - 1; i >= 0; --i) { |
| final WindowState win = windows.get(i); |
| final TaskStack stack = win.getStack(); |
| if (win.isVisibleLw() && stack != null && stack != focusedStack) { |
| mTmpRect.set(win.mVisibleFrame); |
| // If no intersection, we need mTmpRect to be unmodified. |
| mTmpRect.intersect(win.mVisibleInsets); |
| mTouchExcludeRegion.op(mTmpRect, Region.Op.DIFFERENCE); |
| } |
| } |
| if (mTapDetector != null) { |
| mTapDetector.setTouchExcludeRegion(mTouchExcludeRegion); |
| } |
| } |
| |
| 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, "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() { |
| boolean result = false; |
| for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| result |= mStacks.get(stackNdx).animateDimLayers(); |
| } |
| return result; |
| } |
| |
| void resetDimming() { |
| for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| mStacks.get(stackNdx).resetDimmingTag(); |
| } |
| } |
| |
| boolean isDimming() { |
| for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| if (mStacks.get(stackNdx).isDimming()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| void stopDimmingIfNeeded() { |
| for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| mStacks.get(stackNdx).stopDimmingIfNeeded(); |
| } |
| } |
| |
| void 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); |
| } |
| } |
| |
| static int deltaRotation(int oldRotation, int newRotation) { |
| int delta = newRotation - oldRotation; |
| if (delta < 0) delta += 4; |
| return delta; |
| } |
| |
| 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); |
| for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final TaskStack stack = mStacks.get(stackNdx); |
| pw.print(prefix); pw.print("mStacks[" + stackNdx + "]"); pw.println(stack.mStackId); |
| stack.dump(prefix + " ", pw); |
| } |
| pw.println(); |
| pw.println(" Application tokens in top down Z order:"); |
| int ndx = 0; |
| for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final TaskStack stack = mStacks.get(stackNdx); |
| pw.print(" mStackId="); pw.println(stack.mStackId); |
| ArrayList<Task> tasks = stack.getTasks(); |
| for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| final Task task = tasks.get(taskNdx); |
| pw.print(" mTaskId="); pw.println(task.mTaskId); |
| AppTokenList tokens = task.mAppTokens; |
| for (int tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx, ++ndx) { |
| final AppWindowToken wtoken = tokens.get(tokenNdx); |
| pw.print(" Activity #"); pw.print(tokenNdx); |
| pw.print(' '); pw.print(wtoken); pw.println(":"); |
| wtoken.dump(pw, " "); |
| } |
| } |
| } |
| if (ndx == 0) { |
| pw.println(" None"); |
| } |
| 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(); |
| } |
| |
| @Override |
| public String toString() { |
| return "Display " + mDisplayId + " info=" + mDisplayInfo + " stacks=" + mStacks; |
| } |
| } |