| /* |
| * Copyright (C) 2013 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 android.app.ActivityManager.StackId; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| import android.os.Debug; |
| import android.os.RemoteException; |
| import android.util.EventLog; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.view.DisplayInfo; |
| import android.view.Surface; |
| |
| import com.android.internal.policy.DividerSnapAlgorithm; |
| import com.android.internal.policy.DividerSnapAlgorithm.SnapTarget; |
| import com.android.internal.policy.DockedDividerUtils; |
| import com.android.server.EventLogTags; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| |
| import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT; |
| import static android.app.ActivityManager.StackId.DOCKED_STACK_ID; |
| import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID; |
| import static android.app.ActivityManager.StackId.PINNED_STACK_ID; |
| import static android.content.res.Configuration.ORIENTATION_PORTRAIT; |
| import static android.view.WindowManager.DOCKED_BOTTOM; |
| import static android.view.WindowManager.DOCKED_INVALID; |
| import static android.view.WindowManager.DOCKED_LEFT; |
| import static android.view.WindowManager.DOCKED_RIGHT; |
| import static android.view.WindowManager.DOCKED_TOP; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TASK_MOVEMENT; |
| import static com.android.server.wm.WindowManagerService.H.RESIZE_STACK; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| |
| public class TaskStack implements DimLayer.DimLayerUser, |
| BoundsAnimationController.AnimateBoundsUser { |
| |
| // If the stack should be resized to fullscreen. |
| private static final boolean FULLSCREEN = true; |
| |
| // When we have a top-bottom split screen, we shift the bottom stack up to accommodate |
| // the IME window. The static flag below controls whether to run animation when the |
| // IME window goes away. |
| private static final boolean ANIMATE_IME_GOING_AWAY = false; |
| |
| /** Unique identifier */ |
| final int mStackId; |
| |
| /** The service */ |
| private final WindowManagerService mService; |
| |
| /** The display this stack sits under. */ |
| private DisplayContent mDisplayContent; |
| |
| /** The Tasks that define this stack. Oldest Tasks are at the bottom. The ordering must match |
| * mTaskHistory in the ActivityStack with the same mStackId */ |
| private final ArrayList<Task> mTasks = new ArrayList<>(); |
| |
| /** For comparison with DisplayContent bounds. */ |
| private Rect mTmpRect = new Rect(); |
| private Rect mTmpRect2 = new Rect(); |
| |
| /** Content limits relative to the DisplayContent this sits in. */ |
| private Rect mBounds = new Rect(); |
| |
| /** Stack bounds adjusted to screen content area (taking into account IM windows, etc.) */ |
| private final Rect mAdjustedBounds = new Rect(); |
| |
| /** Whether mBounds is fullscreen */ |
| private boolean mFullscreen = true; |
| |
| // Device rotation as of the last time {@link #mBounds} was set. |
| int mRotation; |
| |
| /** Support for non-zero {@link android.view.animation.Animation#getBackgroundColor()} */ |
| DimLayer mAnimationBackgroundSurface; |
| |
| /** The particular window with an Animation with non-zero background color. */ |
| WindowStateAnimator mAnimationBackgroundAnimator; |
| |
| /** Application tokens that are exiting, but still on screen for animations. */ |
| final AppTokenList mExitingAppTokens = new AppTokenList(); |
| |
| /** Detach this stack from its display when animation completes. */ |
| boolean mDeferDetach; |
| |
| // Display rotation as of the last time the display information was updated for this stack. |
| private int mLastUpdateDisplayInfoRotation = -1; |
| // Display rotation as of the last time the configuration was updated for this stack. |
| private int mLastConfigChangedRotation = -1; |
| |
| // Whether the stack and all its tasks is currently being drag-resized |
| private boolean mDragResizing; |
| |
| private final Rect mLastContentBounds = new Rect(); |
| private final Rect mTmpAdjustedBounds = new Rect(); |
| private boolean mAdjustedForIme; |
| private boolean mImeGoingAway; |
| private WindowState mImeWin; |
| private float mMinimizeAmount; |
| private final int mDockedStackMinimizeThickness; |
| |
| // If this is true, the task will be down or upscaled |
| // to perfectly fit the region it would have been cropped |
| // to. |
| private boolean mForceScaleToCrop = false; |
| // By default, movement animations are applied to all |
| // window movement. If this is true, animations will not |
| // be applied within this stack. This is useful for example |
| // if the windows are moving as the result of a stack animation, |
| // in which case a second window animation would cause jitter. |
| private boolean mFreezeMovementAnimations = false; |
| |
| // Temporary storage for the new bounds that should be used after the configuration change. |
| // Will be cleared once the client retrieves the new bounds via getBoundsForNewConfiguration(). |
| private final Rect mBoundsAfterRotation = new Rect(); |
| |
| TaskStack(WindowManagerService service, int stackId) { |
| mService = service; |
| mStackId = stackId; |
| mDockedStackMinimizeThickness = service.mContext.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.docked_stack_minimize_thickness); |
| EventLog.writeEvent(EventLogTags.WM_STACK_CREATED, stackId); |
| } |
| |
| DisplayContent getDisplayContent() { |
| return mDisplayContent; |
| } |
| |
| ArrayList<Task> getTasks() { |
| return mTasks; |
| } |
| |
| /** |
| * Set the bounds of the stack and its containing tasks. |
| * @param stackBounds New stack bounds. Passing in null sets the bounds to fullscreen. |
| * @param configs Configuration for individual tasks, keyed by task id. |
| * @param taskBounds Bounds for individual tasks, keyed by task id. |
| * @return True if the stack bounds was changed. |
| * */ |
| boolean setBounds( |
| Rect stackBounds, SparseArray<Configuration> configs, SparseArray<Rect> taskBounds, |
| SparseArray<Rect> taskTempInsetBounds) { |
| setBounds(stackBounds); |
| |
| // Update bounds of containing tasks. |
| for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| final Task task = mTasks.get(taskNdx); |
| Configuration config = configs.get(task.mTaskId); |
| if (config != null) { |
| Rect bounds = taskBounds.get(task.mTaskId); |
| if (task.isTwoFingerScrollMode()) { |
| // This is a non-resizeable task that's docked (or side-by-side to the docked |
| // stack). It might have been scrolled previously, and after the stack resizing, |
| // it might no longer fully cover the stack area. |
| // Save the old bounds and re-apply the scroll. This adjusts the bounds to |
| // fit the new stack bounds. |
| task.resizeLocked(bounds, config, false /* forced */); |
| task.getBounds(mTmpRect); |
| task.scrollLocked(mTmpRect); |
| } else { |
| task.resizeLocked(bounds, config, false /* forced */); |
| task.setTempInsetBounds( |
| taskTempInsetBounds != null ? taskTempInsetBounds.get(task.mTaskId) |
| : null); |
| } |
| } else { |
| Slog.wtf(TAG_WM, "No config for task: " + task + ", is there a mismatch with AM?"); |
| } |
| } |
| return true; |
| } |
| |
| void prepareFreezingTaskBounds() { |
| for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| final Task task = mTasks.get(taskNdx); |
| task.prepareFreezingBounds(); |
| } |
| } |
| |
| boolean isFullscreenBounds(Rect bounds) { |
| if (mDisplayContent == null || bounds == null) { |
| return true; |
| } |
| mDisplayContent.getLogicalDisplayRect(mTmpRect); |
| return mTmpRect.equals(bounds); |
| } |
| |
| /** |
| * Overrides the adjusted bounds, i.e. sets temporary layout bounds which are different from |
| * the normal task bounds. |
| * |
| * @param bounds The adjusted bounds. |
| * @param keepInsets Whether to keep the insets from the original bounds or to calculate new |
| * ones depending on the adjusted bounds. |
| * @return true if the adjusted bounds has changed. |
| */ |
| private boolean setAdjustedBounds(Rect bounds, boolean keepInsets) { |
| if (mAdjustedBounds.equals(bounds)) { |
| return false; |
| } |
| |
| mAdjustedBounds.set(bounds); |
| final boolean adjusted = !mAdjustedBounds.isEmpty(); |
| alignTasksToAdjustedBounds(adjusted ? mAdjustedBounds : mBounds, |
| adjusted && keepInsets ? mBounds : null); |
| mDisplayContent.layoutNeeded = true; |
| return true; |
| } |
| |
| private void alignTasksToAdjustedBounds(Rect adjustedBounds, Rect tempInsetBounds) { |
| if (mFullscreen) { |
| return; |
| } |
| // Update bounds of containing tasks. |
| for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| final Task task = mTasks.get(taskNdx); |
| if (task.isTwoFingerScrollMode()) { |
| // If we're scrolling we don't care about your bounds or configs, |
| // they should be null as if we were in fullscreen. |
| task.resizeLocked(null, null, false /* forced */); |
| task.getBounds(mTmpRect2); |
| task.scrollLocked(mTmpRect2); |
| } else if (task.isResizeable() && task.mOverrideConfig != Configuration.EMPTY) { |
| task.getBounds(mTmpRect2); |
| mTmpRect2.offsetTo(adjustedBounds.left, adjustedBounds.top); |
| task.setTempInsetBounds(tempInsetBounds); |
| task.resizeLocked(mTmpRect2, task.mOverrideConfig, false /* forced */); |
| } |
| } |
| } |
| |
| private boolean setBounds(Rect bounds) { |
| boolean oldFullscreen = mFullscreen; |
| int rotation = Surface.ROTATION_0; |
| if (mDisplayContent != null) { |
| mDisplayContent.getLogicalDisplayRect(mTmpRect); |
| rotation = mDisplayContent.getDisplayInfo().rotation; |
| mFullscreen = bounds == null; |
| if (mFullscreen) { |
| bounds = mTmpRect; |
| } |
| } |
| |
| if (bounds == null) { |
| // Can't set to fullscreen if we don't have a display to get bounds from... |
| return false; |
| } |
| if (mBounds.equals(bounds) && oldFullscreen == mFullscreen && mRotation == rotation) { |
| return false; |
| } |
| |
| if (mDisplayContent != null) { |
| mDisplayContent.mDimLayerController.updateDimLayer(this); |
| mAnimationBackgroundSurface.setBounds(bounds); |
| } |
| |
| mBounds.set(bounds); |
| mRotation = rotation; |
| |
| updateAdjustedBounds(); |
| |
| return true; |
| } |
| |
| /** Bounds of the stack without adjusting for other factors in the system like visibility |
| * of docked stack. |
| * Most callers should be using {@link #getBounds} as it take into consideration other system |
| * factors. */ |
| void getRawBounds(Rect out) { |
| out.set(mBounds); |
| } |
| |
| /** Return true if the current bound can get outputted to the rest of the system as-is. */ |
| private boolean useCurrentBounds() { |
| if (mFullscreen |
| || !StackId.isResizeableByDockedStack(mStackId) |
| || mDisplayContent == null |
| || mDisplayContent.getDockedStackLocked() != null) { |
| return true; |
| } |
| return false; |
| } |
| |
| public void getBounds(Rect out) { |
| if (useCurrentBounds()) { |
| // If we're currently adjusting for IME or minimized docked stack, we use the adjusted |
| // bounds; otherwise, no need to adjust the output bounds if fullscreen or the docked |
| // stack is visible since it is already what we want to represent to the rest of the |
| // system. |
| if (!mAdjustedBounds.isEmpty()) { |
| out.set(mAdjustedBounds); |
| } else { |
| out.set(mBounds); |
| } |
| return; |
| } |
| |
| // The bounds has been adjusted to accommodate for a docked stack, but the docked stack |
| // is not currently visible. Go ahead a represent it as fullscreen to the rest of the |
| // system. |
| mDisplayContent.getLogicalDisplayRect(out); |
| } |
| |
| /** Bounds of the stack with other system factors taken into consideration. */ |
| @Override |
| public void getDimBounds(Rect out) { |
| getBounds(out); |
| } |
| |
| void updateDisplayInfo(Rect bounds) { |
| if (mDisplayContent == null) { |
| return; |
| } |
| |
| for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| mTasks.get(taskNdx).updateDisplayInfo(mDisplayContent); |
| } |
| if (bounds != null) { |
| setBounds(bounds); |
| return; |
| } else if (mFullscreen) { |
| setBounds(null); |
| return; |
| } |
| |
| mTmpRect2.set(mBounds); |
| final int newRotation = mDisplayContent.getDisplayInfo().rotation; |
| if (mRotation == newRotation) { |
| setBounds(mTmpRect2); |
| } else { |
| mLastUpdateDisplayInfoRotation = newRotation; |
| updateBoundsAfterRotation(true); |
| } |
| } |
| |
| boolean onConfigurationChanged() { |
| mLastConfigChangedRotation = getDisplayInfo().rotation; |
| return updateBoundsAfterRotation(false); |
| } |
| |
| boolean updateBoundsAfterRotation(boolean scheduleResize) { |
| if (mLastConfigChangedRotation != mLastUpdateDisplayInfoRotation) { |
| // We wait for the rotation values after configuration change and display info. update |
| // to be equal before updating the bounds due to rotation change otherwise things might |
| // get out of alignment... |
| return false; |
| } |
| |
| final int newRotation = getDisplayInfo().rotation; |
| |
| if (mRotation == newRotation) { |
| // Nothing to do here if the rotation didn't change |
| return false; |
| } |
| |
| mDisplayContent.rotateBounds(mRotation, newRotation, mTmpRect2); |
| if (mStackId == DOCKED_STACK_ID) { |
| repositionDockedStackAfterRotation(mTmpRect2); |
| snapDockedStackAfterRotation(mTmpRect2); |
| } |
| |
| if (scheduleResize) { |
| // Post message to inform activity manager of the bounds change simulating |
| // a one-way call. We do this to prevent a deadlock between window manager |
| // lock and activity manager lock been held. |
| mService.mH.obtainMessage(RESIZE_STACK, mStackId, |
| 0 /*allowResizeInDockedMode*/, mTmpRect2).sendToTarget(); |
| } else { |
| mBoundsAfterRotation.set(mTmpRect2); |
| } |
| |
| return true; |
| } |
| |
| void getBoundsForNewConfiguration(Rect outBounds) { |
| outBounds.set(mBoundsAfterRotation); |
| mBoundsAfterRotation.setEmpty(); |
| } |
| |
| /** |
| * Some dock sides are not allowed by the policy. This method queries the policy and moves |
| * the docked stack around if needed. |
| * |
| * @param inOutBounds the bounds of the docked stack to adjust |
| */ |
| private void repositionDockedStackAfterRotation(Rect inOutBounds) { |
| int dockSide = getDockSide(inOutBounds); |
| if (mService.mPolicy.isDockSideAllowed(dockSide)) { |
| return; |
| } |
| mDisplayContent.getLogicalDisplayRect(mTmpRect); |
| dockSide = DockedDividerUtils.invertDockSide(dockSide); |
| switch (dockSide) { |
| case DOCKED_LEFT: |
| int movement = inOutBounds.left; |
| inOutBounds.left -= movement; |
| inOutBounds.right -= movement; |
| break; |
| case DOCKED_RIGHT: |
| movement = mTmpRect.right - inOutBounds.right; |
| inOutBounds.left += movement; |
| inOutBounds.right += movement; |
| break; |
| case DOCKED_TOP: |
| movement = inOutBounds.top; |
| inOutBounds.top -= movement; |
| inOutBounds.bottom -= movement; |
| break; |
| case DOCKED_BOTTOM: |
| movement = mTmpRect.bottom - inOutBounds.bottom; |
| inOutBounds.top += movement; |
| inOutBounds.bottom += movement; |
| break; |
| } |
| } |
| |
| /** |
| * Snaps the bounds after rotation to the closest snap target for the docked stack. |
| */ |
| private void snapDockedStackAfterRotation(Rect outBounds) { |
| |
| // Calculate the current position. |
| final DisplayInfo displayInfo = mDisplayContent.getDisplayInfo(); |
| final int dividerSize = mService.getDefaultDisplayContentLocked() |
| .getDockedDividerController().getContentWidth(); |
| final int dockSide = getDockSide(outBounds); |
| final int dividerPosition = DockedDividerUtils.calculatePositionForBounds(outBounds, |
| dockSide, dividerSize); |
| final int displayWidth = mDisplayContent.getDisplayInfo().logicalWidth; |
| final int displayHeight = mDisplayContent.getDisplayInfo().logicalHeight; |
| |
| // Snap the position to a target. |
| final int rotation = displayInfo.rotation; |
| final int orientation = mService.mCurConfiguration.orientation; |
| mService.mPolicy.getStableInsetsLw(rotation, displayWidth, displayHeight, outBounds); |
| final DividerSnapAlgorithm algorithm = new DividerSnapAlgorithm( |
| mService.mContext.getResources(), displayWidth, displayHeight, |
| dividerSize, orientation == Configuration.ORIENTATION_PORTRAIT, outBounds); |
| final SnapTarget target = algorithm.calculateNonDismissingSnapTarget(dividerPosition); |
| |
| // Recalculate the bounds based on the position of the target. |
| DockedDividerUtils.calculateBoundsForPosition(target.position, dockSide, |
| outBounds, displayInfo.logicalWidth, displayInfo.logicalHeight, |
| dividerSize); |
| } |
| |
| boolean isAnimating() { |
| for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| final ArrayList<AppWindowToken> activities = mTasks.get(taskNdx).mAppTokens; |
| for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { |
| final ArrayList<WindowState> windows = activities.get(activityNdx).allAppWindows; |
| for (int winNdx = windows.size() - 1; winNdx >= 0; --winNdx) { |
| final WindowStateAnimator winAnimator = windows.get(winNdx).mWinAnimator; |
| if (winAnimator.isAnimating() || winAnimator.mWin.mAnimatingExit) { |
| return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| void addTask(Task task, boolean toTop) { |
| addTask(task, toTop, task.showForAllUsers()); |
| } |
| |
| /** |
| * Put a Task in this stack. Used for adding and moving. |
| * @param task The task to add. |
| * @param toTop Whether to add it to the top or bottom. |
| * @param showForAllUsers Whether to show the task regardless of the current user. |
| */ |
| void addTask(Task task, boolean toTop, boolean showForAllUsers) { |
| positionTask(task, toTop ? mTasks.size() : 0, showForAllUsers); |
| } |
| |
| void positionTask(Task task, int position, boolean showForAllUsers) { |
| final boolean canShowTask = |
| showForAllUsers || mService.isCurrentProfileLocked(task.mUserId); |
| mTasks.remove(task); |
| int stackSize = mTasks.size(); |
| int minPosition = 0; |
| int maxPosition = stackSize; |
| |
| if (canShowTask) { |
| minPosition = computeMinPosition(minPosition, stackSize); |
| } else { |
| maxPosition = computeMaxPosition(maxPosition); |
| } |
| // Reset position based on minimum/maximum possible positions. |
| position = Math.min(Math.max(position, minPosition), maxPosition); |
| |
| if (DEBUG_TASK_MOVEMENT) Slog.d(TAG_WM, |
| "positionTask: task=" + task + " position=" + position); |
| mTasks.add(position, task); |
| |
| // If we are moving the task across stacks, the scroll is no longer valid. |
| if (task.mStack != this) { |
| task.resetScrollLocked(); |
| } |
| task.mStack = this; |
| task.updateDisplayInfo(mDisplayContent); |
| boolean toTop = position == mTasks.size() - 1; |
| if (toTop) { |
| mDisplayContent.moveStack(this, true); |
| } |
| EventLog.writeEvent(EventLogTags.WM_TASK_MOVED, task.mTaskId, toTop ? 1 : 0, position); |
| } |
| |
| /** Calculate the minimum possible position for a task that can be shown to the user. |
| * The minimum position will be above all other tasks that can't be shown. |
| * @param minPosition The minimum position the caller is suggesting. |
| * We will start adjusting up from here. |
| * @param size The size of the current task list. |
| */ |
| private int computeMinPosition(int minPosition, int size) { |
| while (minPosition < size) { |
| final Task tmpTask = mTasks.get(minPosition); |
| final boolean canShowTmpTask = |
| tmpTask.showForAllUsers() |
| || mService.isCurrentProfileLocked(tmpTask.mUserId); |
| if (canShowTmpTask) { |
| break; |
| } |
| minPosition++; |
| } |
| return minPosition; |
| } |
| |
| /** Calculate the maximum possible position for a task that can't be shown to the user. |
| * The maximum position will be below all other tasks that can be shown. |
| * @param maxPosition The maximum position the caller is suggesting. |
| * We will start adjusting down from here. |
| */ |
| private int computeMaxPosition(int maxPosition) { |
| while (maxPosition > 0) { |
| final Task tmpTask = mTasks.get(maxPosition - 1); |
| final boolean canShowTmpTask = |
| tmpTask.showForAllUsers() |
| || mService.isCurrentProfileLocked(tmpTask.mUserId); |
| if (!canShowTmpTask) { |
| break; |
| } |
| maxPosition--; |
| } |
| return maxPosition; |
| } |
| |
| void moveTaskToTop(Task task) { |
| if (DEBUG_TASK_MOVEMENT) Slog.d(TAG_WM, "moveTaskToTop: task=" + task + " Callers=" |
| + Debug.getCallers(6)); |
| mTasks.remove(task); |
| addTask(task, true); |
| } |
| |
| void moveTaskToBottom(Task task) { |
| if (DEBUG_TASK_MOVEMENT) Slog.d(TAG_WM, "moveTaskToBottom: task=" + task); |
| mTasks.remove(task); |
| addTask(task, false); |
| } |
| |
| /** |
| * Delete a Task from this stack. If it is the last Task in the stack, move this stack to the |
| * back. |
| * @param task The Task to delete. |
| */ |
| void removeTask(Task task) { |
| if (DEBUG_TASK_MOVEMENT) Slog.d(TAG_WM, "removeTask: task=" + task); |
| mTasks.remove(task); |
| if (mDisplayContent != null) { |
| if (mTasks.isEmpty()) { |
| mDisplayContent.moveStack(this, false); |
| } |
| mDisplayContent.layoutNeeded = true; |
| } |
| for (int appNdx = mExitingAppTokens.size() - 1; appNdx >= 0; --appNdx) { |
| final AppWindowToken wtoken = mExitingAppTokens.get(appNdx); |
| if (wtoken.mTask == task) { |
| wtoken.mIsExiting = false; |
| mExitingAppTokens.remove(appNdx); |
| } |
| } |
| } |
| |
| void attachDisplayContent(DisplayContent displayContent) { |
| if (mDisplayContent != null) { |
| throw new IllegalStateException("attachDisplayContent: Already attached"); |
| } |
| |
| mDisplayContent = displayContent; |
| mAnimationBackgroundSurface = new DimLayer(mService, this, mDisplayContent.getDisplayId(), |
| "animation background stackId=" + mStackId); |
| |
| Rect bounds = null; |
| final TaskStack dockedStack = mService.mStackIdToStack.get(DOCKED_STACK_ID); |
| if (mStackId == DOCKED_STACK_ID |
| || (dockedStack != null && StackId.isResizeableByDockedStack(mStackId))) { |
| // The existence of a docked stack affects the size of other static stack created since |
| // the docked stack occupies a dedicated region on screen. |
| bounds = new Rect(); |
| displayContent.getLogicalDisplayRect(mTmpRect); |
| mTmpRect2.setEmpty(); |
| if (dockedStack != null) { |
| dockedStack.getRawBounds(mTmpRect2); |
| } |
| final boolean dockedOnTopOrLeft = mService.mDockedStackCreateMode |
| == DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT; |
| getStackDockedModeBounds(mTmpRect, bounds, mStackId, mTmpRect2, |
| mDisplayContent.mDividerControllerLocked.getContentWidth(), |
| dockedOnTopOrLeft); |
| } |
| |
| updateDisplayInfo(bounds); |
| } |
| |
| void getStackDockedModeBoundsLocked(Rect outBounds, boolean ignoreVisibility) { |
| if ((mStackId != DOCKED_STACK_ID && !StackId.isResizeableByDockedStack(mStackId)) |
| || mDisplayContent == null) { |
| outBounds.set(mBounds); |
| return; |
| } |
| |
| final TaskStack dockedStack = mService.mStackIdToStack.get(DOCKED_STACK_ID); |
| if (dockedStack == null) { |
| // Not sure why you are calling this method when there is no docked stack... |
| throw new IllegalStateException( |
| "Calling getStackDockedModeBoundsLocked() when there is no docked stack."); |
| } |
| if (!ignoreVisibility && !dockedStack.isVisibleLocked()) { |
| // The docked stack is being dismissed, but we caught before it finished being |
| // dismissed. In that case we want to treat it as if it is not occupying any space and |
| // let others occupy the whole display. |
| mDisplayContent.getLogicalDisplayRect(outBounds); |
| return; |
| } |
| |
| final int dockedSide = dockedStack.getDockSide(); |
| if (dockedSide == DOCKED_INVALID) { |
| // Not sure how you got here...Only thing we can do is return current bounds. |
| Slog.e(TAG_WM, "Failed to get valid docked side for docked stack=" + dockedStack); |
| outBounds.set(mBounds); |
| return; |
| } |
| |
| mDisplayContent.getLogicalDisplayRect(mTmpRect); |
| dockedStack.getRawBounds(mTmpRect2); |
| final boolean dockedOnTopOrLeft = dockedSide == DOCKED_TOP || dockedSide == DOCKED_LEFT; |
| getStackDockedModeBounds(mTmpRect, outBounds, mStackId, mTmpRect2, |
| mDisplayContent.mDividerControllerLocked.getContentWidth(), dockedOnTopOrLeft); |
| |
| } |
| |
| /** |
| * Outputs the bounds a stack should be given the presence of a docked stack on the display. |
| * @param displayRect The bounds of the display the docked stack is on. |
| * @param outBounds Output bounds that should be used for the stack. |
| * @param stackId Id of stack we are calculating the bounds for. |
| * @param dockedBounds Bounds of the docked stack. |
| * @param dockDividerWidth We need to know the width of the divider make to the output bounds |
| * close to the side of the dock. |
| * @param dockOnTopOrLeft If the docked stack is on the top or left side of the screen. |
| */ |
| private void getStackDockedModeBounds( |
| Rect displayRect, Rect outBounds, int stackId, Rect dockedBounds, int dockDividerWidth, |
| boolean dockOnTopOrLeft) { |
| final boolean dockedStack = stackId == DOCKED_STACK_ID; |
| final boolean splitHorizontally = displayRect.width() > displayRect.height(); |
| |
| outBounds.set(displayRect); |
| if (dockedStack) { |
| if (mService.mDockedStackCreateBounds != null) { |
| outBounds.set(mService.mDockedStackCreateBounds); |
| return; |
| } |
| |
| // The initial bounds of the docked stack when it is created about half the screen space |
| // and its bounds can be adjusted after that. The bounds of all other stacks are |
| // adjusted to occupy whatever screen space the docked stack isn't occupying. |
| final DisplayInfo di = mDisplayContent.getDisplayInfo(); |
| mService.mPolicy.getStableInsetsLw(di.rotation, di.logicalWidth, di.logicalHeight, |
| mTmpRect2); |
| final int position = new DividerSnapAlgorithm(mService.mContext.getResources(), |
| di.logicalWidth, |
| di.logicalHeight, |
| dockDividerWidth, |
| mService.mCurConfiguration.orientation == ORIENTATION_PORTRAIT, |
| mTmpRect2).getMiddleTarget().position; |
| |
| if (dockOnTopOrLeft) { |
| if (splitHorizontally) { |
| outBounds.right = position; |
| } else { |
| outBounds.bottom = position; |
| } |
| } else { |
| if (splitHorizontally) { |
| outBounds.left = position - dockDividerWidth; |
| } else { |
| outBounds.top = position - dockDividerWidth; |
| } |
| } |
| return; |
| } |
| |
| // Other stacks occupy whatever space is left by the docked stack. |
| if (!dockOnTopOrLeft) { |
| if (splitHorizontally) { |
| outBounds.right = dockedBounds.left - dockDividerWidth; |
| } else { |
| outBounds.bottom = dockedBounds.top - dockDividerWidth; |
| } |
| } else { |
| if (splitHorizontally) { |
| outBounds.left = dockedBounds.right + dockDividerWidth; |
| } else { |
| outBounds.top = dockedBounds.bottom + dockDividerWidth; |
| } |
| } |
| DockedDividerUtils.sanitizeStackBounds(outBounds, !dockOnTopOrLeft); |
| } |
| |
| void resetDockedStackToMiddle() { |
| if (mStackId != DOCKED_STACK_ID) { |
| throw new IllegalStateException("Not a docked stack=" + this); |
| } |
| |
| mService.mDockedStackCreateBounds = null; |
| |
| final Rect bounds = new Rect(); |
| getStackDockedModeBoundsLocked(bounds, true /*ignoreVisibility*/); |
| mService.mH.obtainMessage(RESIZE_STACK, DOCKED_STACK_ID, |
| 1 /*allowResizeInDockedMode*/, bounds).sendToTarget(); |
| } |
| |
| void detachDisplay() { |
| EventLog.writeEvent(EventLogTags.WM_STACK_REMOVED, mStackId); |
| |
| boolean doAnotherLayoutPass = false; |
| for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| final AppTokenList appWindowTokens = mTasks.get(taskNdx).mAppTokens; |
| for (int appNdx = appWindowTokens.size() - 1; appNdx >= 0; --appNdx) { |
| final WindowList appWindows = appWindowTokens.get(appNdx).allAppWindows; |
| for (int winNdx = appWindows.size() - 1; winNdx >= 0; --winNdx) { |
| // We are in the middle of changing the state of displays/stacks/tasks. We need |
| // to finish that, before we let layout interfere with it. |
| mService.removeWindowLocked(appWindows.get(winNdx)); |
| doAnotherLayoutPass = true; |
| } |
| } |
| } |
| if (doAnotherLayoutPass) { |
| mService.mWindowPlacerLocked.requestTraversal(); |
| } |
| |
| close(); |
| } |
| |
| void resetAnimationBackgroundAnimator() { |
| mAnimationBackgroundAnimator = null; |
| mAnimationBackgroundSurface.hide(); |
| } |
| |
| void setAnimationBackground(WindowStateAnimator winAnimator, int color) { |
| int animLayer = winAnimator.mAnimLayer; |
| if (mAnimationBackgroundAnimator == null |
| || animLayer < mAnimationBackgroundAnimator.mAnimLayer) { |
| mAnimationBackgroundAnimator = winAnimator; |
| animLayer = mService.adjustAnimationBackground(winAnimator); |
| mAnimationBackgroundSurface.show(animLayer - WindowManagerService.LAYER_OFFSET_DIM, |
| ((color >> 24) & 0xff) / 255f, 0); |
| } |
| } |
| |
| void switchUser() { |
| int top = mTasks.size(); |
| for (int taskNdx = 0; taskNdx < top; ++taskNdx) { |
| Task task = mTasks.get(taskNdx); |
| if (mService.isCurrentProfileLocked(task.mUserId) || task.showForAllUsers()) { |
| mTasks.remove(taskNdx); |
| mTasks.add(task); |
| --top; |
| } |
| } |
| } |
| |
| void close() { |
| if (mAnimationBackgroundSurface != null) { |
| mAnimationBackgroundSurface.destroySurface(); |
| mAnimationBackgroundSurface = null; |
| } |
| mDisplayContent = null; |
| } |
| |
| /** |
| * Adjusts the stack bounds if the IME is visible. |
| * |
| * @param imeWin The IME window. |
| */ |
| void setAdjustedForIme(WindowState imeWin) { |
| mAdjustedForIme = true; |
| mImeWin = imeWin; |
| mImeGoingAway = false; |
| } |
| |
| boolean isAdjustedForIme() { |
| return mAdjustedForIme || mImeGoingAway; |
| } |
| void clearImeGoingAway() { |
| mImeGoingAway = false; |
| } |
| |
| boolean isAnimatingForIme() { |
| return mImeWin != null && mImeWin.isAnimatingLw(); |
| } |
| |
| /** |
| * Update the stack's bounds (crop or position) according to the IME window's |
| * current position. When IME window is animated, the bottom stack is animated |
| * together to track the IME window's current position, and the top stack is |
| * cropped as necessary. |
| * |
| * @return true if a traversal should be performed after the adjustment. |
| */ |
| boolean updateAdjustForIme() { |
| boolean stopped = false; |
| if (mImeGoingAway && (!ANIMATE_IME_GOING_AWAY || !isAnimatingForIme())) { |
| mImeWin = null; |
| mAdjustedForIme = false; |
| stopped = true; |
| } |
| // Make sure to run a traversal when the animation stops so that the stack |
| // is moved to its final position. |
| return updateAdjustedBounds() || stopped; |
| } |
| |
| /** |
| * Resets the adjustment after it got adjusted for the IME. |
| * @param adjustBoundsNow if true, reset and update the bounds immediately and forget about |
| * animations; otherwise, set flag and animates the window away together |
| * with IME window. |
| */ |
| void resetAdjustedForIme(boolean adjustBoundsNow) { |
| if (adjustBoundsNow) { |
| mImeWin = null; |
| mAdjustedForIme = false; |
| mImeGoingAway = false; |
| updateAdjustedBounds(); |
| } else { |
| mImeGoingAway |= mAdjustedForIme; |
| } |
| } |
| |
| /** |
| * Sets the amount how much we currently minimize our stack. |
| * |
| * @param minimizeAmount The amount, between 0 and 1. |
| * @return Whether the amount has changed and a layout is needed. |
| */ |
| boolean setAdjustedForMinimizedDock(float minimizeAmount) { |
| if (minimizeAmount != mMinimizeAmount) { |
| mMinimizeAmount = minimizeAmount; |
| updateAdjustedBounds(); |
| return isVisibleForUserLocked(); |
| } else { |
| return false; |
| } |
| } |
| |
| boolean isAdjustedForMinimizedDock() { |
| return mMinimizeAmount != 0f; |
| } |
| |
| private boolean adjustForIME(final WindowState imeWin) { |
| final int dockedSide = getDockSide(); |
| final boolean dockedTopOrBottom = dockedSide == DOCKED_TOP || dockedSide == DOCKED_BOTTOM; |
| final Rect adjustedBounds = mTmpAdjustedBounds; |
| if (imeWin == null || !dockedTopOrBottom) { |
| return false; |
| } |
| |
| final Rect displayContentRect = mTmpRect; |
| final Rect contentBounds = mTmpRect2; |
| |
| // Calculate the content bounds excluding the area occupied by IME |
| getDisplayContent().getContentRect(displayContentRect); |
| contentBounds.set(displayContentRect); |
| int imeTop = Math.max(imeWin.getDisplayFrameLw().top, contentBounds.top); |
| |
| // if IME window is animating, get its actual vertical shown position (but no smaller than |
| // the final target vertical position) |
| if (imeWin.isAnimatingLw()) { |
| imeTop = Math.max(imeTop, imeWin.getShownPositionLw().y); |
| } |
| imeTop += imeWin.getGivenContentInsetsLw().top; |
| if (contentBounds.bottom > imeTop) { |
| contentBounds.bottom = imeTop; |
| } |
| |
| // If content bounds not changing, nothing to do. |
| if (mLastContentBounds.equals(contentBounds)) { |
| return true; |
| } |
| |
| // Content bounds changed, need to apply adjustments depending on dock sides. |
| mLastContentBounds.set(contentBounds); |
| adjustedBounds.set(mBounds); |
| final int yOffset = displayContentRect.bottom - contentBounds.bottom; |
| |
| if (dockedSide == DOCKED_TOP) { |
| // If this stack is docked on top, we make it smaller so the bottom stack is not |
| // occluded by IME. We shift its bottom up by the height of the IME (capped by |
| // the display content rect). Note that we don't change the task bounds. |
| adjustedBounds.bottom = Math.max( |
| adjustedBounds.bottom - yOffset, displayContentRect.top); |
| } else { |
| // If this stack is docked on bottom, we shift it up so that it's not occluded by |
| // IME. We try to move it up by the height of the IME window (although the best |
| // we could do is to make the top stack fully collapsed). |
| final int dividerWidth = getDisplayContent().mDividerControllerLocked |
| .getContentWidth(); |
| adjustedBounds.top = Math.max( |
| adjustedBounds.top - yOffset, displayContentRect.top + dividerWidth); |
| adjustedBounds.bottom = adjustedBounds.top + mBounds.height(); |
| } |
| return true; |
| } |
| |
| private boolean adjustForMinimizedDockedStack(float minimizeAmount) { |
| final int dockSide = getDockSide(); |
| if (dockSide == DOCKED_INVALID && !mTmpAdjustedBounds.isEmpty()) { |
| return false; |
| } |
| |
| if (dockSide == DOCKED_TOP) { |
| mService.getStableInsetsLocked(mTmpRect); |
| int topInset = mTmpRect.top; |
| mTmpAdjustedBounds.set(mBounds); |
| mTmpAdjustedBounds.bottom = |
| (int) (minimizeAmount * topInset + (1 - minimizeAmount) * mBounds.bottom); |
| } else if (dockSide == DOCKED_LEFT) { |
| mTmpAdjustedBounds.set(mBounds); |
| final int width = mBounds.width(); |
| mTmpAdjustedBounds.right = |
| (int) (minimizeAmount * mDockedStackMinimizeThickness |
| + (1 - minimizeAmount) * mBounds.right); |
| mTmpAdjustedBounds.left = mTmpAdjustedBounds.right - width; |
| } else if (dockSide == DOCKED_RIGHT) { |
| mTmpAdjustedBounds.set(mBounds); |
| mTmpAdjustedBounds.left = |
| (int) (minimizeAmount * (mBounds.right - mDockedStackMinimizeThickness) |
| + (1 - minimizeAmount) * mBounds.left); |
| } |
| return true; |
| } |
| |
| /** |
| * @return the distance in pixels how much the stack gets minimized from it's original size |
| */ |
| int getMinimizeDistance() { |
| final int dockSide = getDockSide(); |
| if (dockSide == DOCKED_INVALID) { |
| return 0; |
| } |
| |
| if (dockSide == DOCKED_TOP) { |
| mService.getStableInsetsLocked(mTmpRect); |
| int topInset = mTmpRect.top; |
| return mBounds.bottom - topInset; |
| } else if (dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT) { |
| return mBounds.width() - mDockedStackMinimizeThickness; |
| } else { |
| return 0; |
| } |
| } |
| |
| /** |
| * Updates the adjustment depending on it's current state. |
| */ |
| boolean updateAdjustedBounds() { |
| boolean adjust = false; |
| if (mMinimizeAmount != 0f) { |
| adjust = adjustForMinimizedDockedStack(mMinimizeAmount); |
| } else if (mAdjustedForIme) { |
| adjust = adjustForIME(mImeWin); |
| } |
| if (!adjust) { |
| mTmpAdjustedBounds.setEmpty(); |
| mLastContentBounds.setEmpty(); |
| } |
| return setAdjustedBounds(mTmpAdjustedBounds, isAdjustedForMinimizedDockedStack()); |
| } |
| |
| boolean isAdjustedForMinimizedDockedStack() { |
| return mMinimizeAmount != 0f; |
| } |
| |
| public void dump(String prefix, PrintWriter pw) { |
| pw.println(prefix + "mStackId=" + mStackId); |
| pw.println(prefix + "mDeferDetach=" + mDeferDetach); |
| pw.println(prefix + "mFullscreen=" + mFullscreen); |
| pw.println(prefix + "mBounds=" + mBounds.toShortString()); |
| for (int taskNdx = mTasks.size() - 1; taskNdx >= 0; taskNdx--) { |
| mTasks.get(taskNdx).dump(prefix + " ", pw); |
| } |
| if (mAnimationBackgroundSurface.isDimming()) { |
| pw.println(prefix + "mWindowAnimationBackgroundSurface:"); |
| mAnimationBackgroundSurface.printTo(prefix + " ", pw); |
| } |
| if (!mExitingAppTokens.isEmpty()) { |
| pw.println(); |
| pw.println(" Exiting application tokens:"); |
| for (int i = mExitingAppTokens.size() - 1; i >= 0; i--) { |
| WindowToken token = mExitingAppTokens.get(i); |
| pw.print(" Exiting App #"); pw.print(i); |
| pw.print(' '); pw.print(token); |
| pw.println(':'); |
| token.dump(pw, " "); |
| } |
| } |
| } |
| |
| /** Fullscreen status of the stack without adjusting for other factors in the system like |
| * visibility of docked stack. |
| * Most callers should be using {@link #isFullscreen} as it take into consideration other |
| * system factors. */ |
| boolean getRawFullscreen() { |
| return mFullscreen; |
| } |
| |
| @Override |
| public boolean isFullscreen() { |
| if (useCurrentBounds()) { |
| return mFullscreen; |
| } |
| // The bounds has been adjusted to accommodate for a docked stack, but the docked stack |
| // is not currently visible. Go ahead a represent it as fullscreen to the rest of the |
| // system. |
| return true; |
| } |
| |
| @Override |
| public DisplayInfo getDisplayInfo() { |
| return mDisplayContent.getDisplayInfo(); |
| } |
| |
| @Override |
| public String toString() { |
| return "{stackId=" + mStackId + " tasks=" + mTasks + "}"; |
| } |
| |
| @Override |
| public String toShortString() { |
| return "Stack=" + mStackId; |
| } |
| |
| /** |
| * For docked workspace (or workspace that's side-by-side to the docked), provides |
| * information which side of the screen was the dock anchored. |
| */ |
| int getDockSide() { |
| return getDockSide(mBounds); |
| } |
| |
| int getDockSide(Rect bounds) { |
| if (mStackId != DOCKED_STACK_ID && !StackId.isResizeableByDockedStack(mStackId)) { |
| return DOCKED_INVALID; |
| } |
| if (mDisplayContent == null) { |
| return DOCKED_INVALID; |
| } |
| mDisplayContent.getLogicalDisplayRect(mTmpRect); |
| final int orientation = mService.mCurConfiguration.orientation; |
| if (orientation == Configuration.ORIENTATION_PORTRAIT) { |
| // Portrait mode, docked either at the top or the bottom. |
| if (bounds.top - mTmpRect.top <= mTmpRect.bottom - bounds.bottom) { |
| return DOCKED_TOP; |
| } else { |
| return DOCKED_BOTTOM; |
| } |
| } else if (orientation == Configuration.ORIENTATION_LANDSCAPE) { |
| // Landscape mode, docked either on the left or on the right. |
| if (bounds.left - mTmpRect.left <= mTmpRect.right - bounds.right) { |
| return DOCKED_LEFT; |
| } else { |
| return DOCKED_RIGHT; |
| } |
| } else { |
| return DOCKED_INVALID; |
| } |
| } |
| |
| boolean isVisibleLocked() { |
| final boolean keyguardOn = mService.mPolicy.isKeyguardShowingOrOccluded() |
| && !mService.mAnimator.mKeyguardGoingAway; |
| if (keyguardOn && !StackId.isAllowedOverLockscreen(mStackId)) { |
| // The keyguard is showing and the stack shouldn't show on top of the keyguard. |
| return false; |
| } |
| |
| for (int i = mTasks.size() - 1; i >= 0; i--) { |
| final Task task = mTasks.get(i); |
| for (int j = task.mAppTokens.size() - 1; j >= 0; j--) { |
| if (!task.mAppTokens.get(j).hidden) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| /** |
| * @return true if a the stack is visible for the current in user, ignoring any other visibility |
| * aspects, and false otherwise |
| */ |
| boolean isVisibleForUserLocked() { |
| for (int i = mTasks.size() - 1; i >= 0; i--) { |
| final Task task = mTasks.get(i); |
| if (task.isVisibleForUser()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| boolean isDragResizing() { |
| return mDragResizing; |
| } |
| |
| private void setDragResizingLocked(boolean resizing) { |
| if (mDragResizing == resizing) { |
| return; |
| } |
| mDragResizing = resizing; |
| for (int i = mTasks.size() - 1; i >= 0 ; i--) { |
| mTasks.get(i).resetDragResizingChangeReported(); |
| } |
| } |
| |
| @Override // AnimatesBounds |
| public boolean setSize(Rect bounds) { |
| synchronized (mService.mWindowMap) { |
| if (mDisplayContent == null) { |
| return false; |
| } |
| } |
| try { |
| mService.mActivityManager.resizeStack(mStackId, bounds, false, true, false, -1); |
| } catch (RemoteException e) { |
| } |
| return true; |
| } |
| |
| public boolean setPinnedStackSize(Rect bounds, Rect tempTaskBounds) { |
| synchronized (mService.mWindowMap) { |
| if (mDisplayContent == null) { |
| return false; |
| } |
| if (mStackId != PINNED_STACK_ID) { |
| Slog.w(TAG_WM, "Attempt to use pinned stack resize animation helper on" |
| + "non pinned stack"); |
| return false; |
| } |
| } |
| try { |
| mService.mActivityManager.resizePinnedStack(bounds, tempTaskBounds); |
| } catch (RemoteException e) { |
| // I don't believe you. |
| } |
| return true; |
| } |
| |
| @Override // AnimatesBounds |
| public void onAnimationStart() { |
| synchronized (mService.mWindowMap) { |
| mFreezeMovementAnimations = true; |
| mForceScaleToCrop = true; |
| } |
| } |
| |
| @Override // AnimatesBounds |
| public void onAnimationEnd() { |
| synchronized (mService.mWindowMap) { |
| mFreezeMovementAnimations = false; |
| mForceScaleToCrop = false; |
| mService.requestTraversal(); |
| } |
| if (mStackId == PINNED_STACK_ID) { |
| try { |
| mService.mActivityManager.notifyPinnedStackAnimationEnded(); |
| } catch (RemoteException e) { |
| // I don't believe you... |
| } |
| } |
| } |
| |
| @Override |
| public void moveToFullscreen() { |
| try { |
| mService.mActivityManager.moveTasksToFullscreenStack(mStackId, true); |
| } catch (RemoteException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| @Override |
| public void getFullScreenBounds(Rect bounds) { |
| getDisplayContent().getContentRect(bounds); |
| } |
| |
| public boolean getFreezeMovementAnimations() { |
| return mFreezeMovementAnimations; |
| } |
| |
| public boolean getForceScaleToCrop() { |
| return mForceScaleToCrop; |
| } |
| } |