| /* |
| * Copyright (C) 2016 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.RemoteAction; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import com.android.server.UiThread; |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.lang.ref.WeakReference; |
| import java.util.List; |
| |
| import static com.android.server.wm.WindowContainer.POSITION_BOTTOM; |
| import static com.android.server.wm.WindowContainer.POSITION_TOP; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STACK; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| |
| /** |
| * Controller for the stack container. This is created by activity manager to link activity stacks |
| * to the stack container they use in window manager. |
| * |
| * Test class: {@link StackWindowControllerTests} |
| */ |
| public class StackWindowController |
| extends WindowContainerController<TaskStack, StackWindowListener> { |
| |
| final int mStackId; |
| |
| private final H mHandler; |
| |
| public StackWindowController(int stackId, StackWindowListener listener, |
| int displayId, boolean onTop, Rect outBounds) { |
| this(stackId, listener, displayId, onTop, outBounds, WindowManagerService.getInstance()); |
| } |
| |
| @VisibleForTesting |
| public StackWindowController(int stackId, StackWindowListener listener, |
| int displayId, boolean onTop, Rect outBounds, WindowManagerService service) { |
| super(listener, service); |
| mStackId = stackId; |
| mHandler = new H(new WeakReference<>(this), service.mH.getLooper()); |
| |
| synchronized (mWindowMap) { |
| final DisplayContent dc = mRoot.getDisplayContent(displayId); |
| if (dc == null) { |
| throw new IllegalArgumentException("Trying to add stackId=" + stackId |
| + " to unknown displayId=" + displayId); |
| } |
| |
| final TaskStack stack = dc.addStackToDisplay(stackId, onTop); |
| stack.setController(this); |
| getRawBounds(outBounds); |
| } |
| } |
| |
| @Override |
| public void removeContainer() { |
| synchronized (mWindowMap) { |
| if (mContainer != null) { |
| mContainer.removeIfPossible(); |
| super.removeContainer(); |
| } |
| } |
| } |
| |
| public void reparent(int displayId, Rect outStackBounds) { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| throw new IllegalArgumentException("Trying to move unknown stackId=" + mStackId |
| + " to displayId=" + displayId); |
| } |
| |
| final DisplayContent targetDc = mRoot.getDisplayContent(displayId); |
| if (targetDc == null) { |
| throw new IllegalArgumentException("Trying to move stackId=" + mStackId |
| + " to unknown displayId=" + displayId); |
| } |
| |
| targetDc.moveStackToDisplay(mContainer); |
| getRawBounds(outStackBounds); |
| } |
| } |
| |
| public void positionChildAt(TaskWindowContainerController child, int position, Rect bounds, |
| Configuration overrideConfig) { |
| synchronized (mWindowMap) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, "positionChildAt: positioning task=" + child |
| + " at " + position); |
| if (child.mContainer == null) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, |
| "positionChildAt: could not find task=" + this); |
| return; |
| } |
| if (mContainer == null) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, |
| "positionChildAt: could not find stack for task=" + mContainer); |
| return; |
| } |
| child.mContainer.positionAt(position, bounds, overrideConfig); |
| mContainer.getDisplayContent().layoutAndAssignWindowLayersIfNeeded(); |
| } |
| } |
| |
| public void positionChildAtTop(TaskWindowContainerController child, boolean includingParents) { |
| if (child == null) { |
| // TODO: Fix the call-points that cause this to happen. |
| return; |
| } |
| |
| synchronized(mWindowMap) { |
| final Task childTask = child.mContainer; |
| if (childTask == null) { |
| Slog.e(TAG_WM, "positionChildAtTop: task=" + child + " not found"); |
| return; |
| } |
| mContainer.positionChildAt(POSITION_TOP, childTask, includingParents); |
| |
| if (mService.mAppTransition.isTransitionSet()) { |
| childTask.setSendingToBottom(false); |
| } |
| mContainer.getDisplayContent().layoutAndAssignWindowLayersIfNeeded(); |
| } |
| } |
| |
| public void positionChildAtBottom(TaskWindowContainerController child) { |
| if (child == null) { |
| // TODO: Fix the call-points that cause this to happen. |
| return; |
| } |
| |
| synchronized(mWindowMap) { |
| final Task childTask = child.mContainer; |
| if (childTask == null) { |
| Slog.e(TAG_WM, "positionChildAtBottom: task=" + child + " not found"); |
| return; |
| } |
| mContainer.positionChildAt(POSITION_BOTTOM, childTask, false /* includingParents */); |
| |
| if (mService.mAppTransition.isTransitionSet()) { |
| childTask.setSendingToBottom(true); |
| } |
| mContainer.getDisplayContent().layoutAndAssignWindowLayersIfNeeded(); |
| } |
| } |
| |
| /** |
| * Re-sizes a stack and its containing tasks. |
| * |
| * @param bounds New stack bounds. Passing in null sets the bounds to fullscreen. |
| * @param configs Configurations for tasks in the resized stack, keyed by task id. |
| * @param taskBounds Bounds for tasks in the resized stack, keyed by task id. |
| * @return True if the stack is now fullscreen. |
| */ |
| public boolean resize(Rect bounds, SparseArray<Configuration> configs, |
| SparseArray<Rect> taskBounds, SparseArray<Rect> taskTempInsetBounds) { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| throw new IllegalArgumentException("resizeStack: stack " + this + " not found."); |
| } |
| // We might trigger a configuration change. Save the current task bounds for freezing. |
| mContainer.prepareFreezingTaskBounds(); |
| if (mContainer.setBounds(bounds, configs, taskBounds, taskTempInsetBounds) |
| && mContainer.isVisible()) { |
| mContainer.getDisplayContent().setLayoutNeeded(); |
| mService.mWindowPlacerLocked.performSurfacePlacement(); |
| } |
| return mContainer.getRawFullscreen(); |
| } |
| } |
| |
| // TODO: This and similar methods should be separated into PinnedStackWindowContainerController |
| public void animateResizePinnedStack(final Rect bounds, final int animationDuration) { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| throw new IllegalArgumentException("Pinned stack container not found :("); |
| } |
| final Rect originalBounds = new Rect(); |
| mContainer.getBounds(originalBounds); |
| mContainer.setAnimatingBounds(bounds); |
| UiThread.getHandler().post(new Runnable() { |
| @Override |
| public void run() { |
| mService.mBoundsAnimationController.animateBounds( |
| mContainer, originalBounds, bounds, animationDuration); |
| } |
| }); |
| } |
| } |
| |
| /** Sets the current picture-in-picture aspect ratio. */ |
| public void setPictureInPictureAspectRatio(float aspectRatio) { |
| synchronized (mWindowMap) { |
| if (!mService.mSupportsPictureInPicture || mContainer == null) { |
| return; |
| } |
| |
| final int displayId = mContainer.getDisplayContent().getDisplayId(); |
| final Rect toBounds = mService.getPictureInPictureBounds(displayId, aspectRatio); |
| animateResizePinnedStack(toBounds, -1 /* duration */); |
| } |
| } |
| |
| public void getStackDockedModeBounds(Rect outBounds, Rect outTempBounds, |
| Rect outTempInsetBounds, boolean ignoreVisibility) { |
| synchronized (mWindowMap) { |
| if (mContainer != null) { |
| mContainer.getStackDockedModeBoundsLocked(outBounds, outTempBounds, |
| outTempInsetBounds, ignoreVisibility); |
| return; |
| } |
| outBounds.setEmpty(); |
| outTempBounds.setEmpty(); |
| outTempInsetBounds.setEmpty(); |
| } |
| } |
| |
| public void prepareFreezingTaskBounds() { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| throw new IllegalArgumentException("prepareFreezingTaskBounds: stack " + this |
| + " not found."); |
| } |
| mContainer.prepareFreezingTaskBounds(); |
| } |
| } |
| |
| /** Sets the current picture-in-picture actions. */ |
| public void setPictureInPictureActions(List<RemoteAction> actions) { |
| synchronized (mWindowMap) { |
| if (!mService.mSupportsPictureInPicture || mContainer == null) { |
| return; |
| } |
| |
| mContainer.getDisplayContent().getPinnedStackController().setActions(actions); |
| } |
| } |
| |
| private void getRawBounds(Rect outBounds) { |
| if (mContainer.getRawFullscreen()) { |
| outBounds.setEmpty(); |
| } else { |
| mContainer.getRawBounds(outBounds); |
| } |
| } |
| |
| public void getBounds(Rect outBounds) { |
| synchronized (mWindowMap) { |
| if (mContainer != null) { |
| mContainer.getBounds(outBounds); |
| return; |
| } |
| outBounds.setEmpty(); |
| } |
| } |
| |
| public void getBoundsForNewConfiguration(Rect outBounds, Rect outTempBounds) { |
| synchronized(mWindowMap) { |
| mContainer.getBoundsForNewConfiguration(outBounds, outTempBounds); |
| } |
| } |
| |
| void requestResize(Rect bounds) { |
| mHandler.obtainMessage(H.REQUEST_RESIZE, bounds).sendToTarget(); |
| } |
| |
| @Override |
| public String toString() { |
| return "{StackWindowController stackId=" + mStackId + "}"; |
| } |
| |
| private static final class H extends Handler { |
| |
| static final int REQUEST_RESIZE = 0; |
| |
| private final WeakReference<StackWindowController> mController; |
| |
| H(WeakReference<StackWindowController> controller, Looper looper) { |
| super(looper); |
| mController = controller; |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| final StackWindowController controller = mController.get(); |
| final StackWindowListener listener = (controller != null) |
| ? controller.mListener : null; |
| if (listener == null) { |
| return; |
| } |
| switch (msg.what) { |
| case REQUEST_RESIZE: |
| listener.requestResize((Rect) msg.obj); |
| break; |
| } |
| } |
| } |
| } |