| /* |
| * Copyright (C) 2020 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.wm.shell.fullscreen; |
| |
| import static com.android.wm.shell.ShellTaskOrganizer.TASK_LISTENER_TYPE_FULLSCREEN; |
| import static com.android.wm.shell.ShellTaskOrganizer.taskListenerTypeToString; |
| |
| import android.app.ActivityManager; |
| import android.app.ActivityManager.RunningTaskInfo; |
| import android.graphics.Point; |
| import android.util.SparseArray; |
| import android.view.SurfaceControl; |
| |
| import androidx.annotation.NonNull; |
| |
| import com.android.internal.protolog.common.ProtoLog; |
| import com.android.wm.shell.ShellTaskOrganizer; |
| import com.android.wm.shell.common.SyncTransactionQueue; |
| import com.android.wm.shell.protolog.ShellProtoLogGroup; |
| import com.android.wm.shell.recents.RecentTasksController; |
| import com.android.wm.shell.sysui.ShellInit; |
| import com.android.wm.shell.transition.Transitions; |
| import com.android.wm.shell.windowdecor.WindowDecorViewModel; |
| |
| import java.io.PrintWriter; |
| import java.util.Optional; |
| |
| /** |
| * Organizes tasks presented in {@link android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN}. |
| * @param <T> the type of window decoration instance |
| */ |
| public class FullscreenTaskListener implements ShellTaskOrganizer.TaskListener { |
| private static final String TAG = "FullscreenTaskListener"; |
| |
| private final ShellTaskOrganizer mShellTaskOrganizer; |
| |
| private final SparseArray<State> mTasks = new SparseArray<>(); |
| |
| private static class State { |
| RunningTaskInfo mTaskInfo; |
| SurfaceControl mLeash; |
| } |
| private final SyncTransactionQueue mSyncQueue; |
| private final Optional<RecentTasksController> mRecentTasksOptional; |
| private final Optional<WindowDecorViewModel> mWindowDecorViewModelOptional; |
| /** |
| * This constructor is used by downstream products. |
| */ |
| public FullscreenTaskListener(SyncTransactionQueue syncQueue) { |
| this(null /* shellInit */, null /* shellTaskOrganizer */, syncQueue, Optional.empty(), |
| Optional.empty()); |
| } |
| |
| public FullscreenTaskListener(ShellInit shellInit, |
| ShellTaskOrganizer shellTaskOrganizer, |
| SyncTransactionQueue syncQueue, |
| Optional<RecentTasksController> recentTasksOptional, |
| Optional<WindowDecorViewModel> windowDecorViewModelOptional) { |
| mShellTaskOrganizer = shellTaskOrganizer; |
| mSyncQueue = syncQueue; |
| mRecentTasksOptional = recentTasksOptional; |
| mWindowDecorViewModelOptional = windowDecorViewModelOptional; |
| // Note: Some derivative FullscreenTaskListener implementations do not use ShellInit |
| if (shellInit != null) { |
| shellInit.addInitCallback(this::onInit, this); |
| } |
| } |
| |
| private void onInit() { |
| mShellTaskOrganizer.addListenerForType(this, TASK_LISTENER_TYPE_FULLSCREEN); |
| } |
| |
| @Override |
| public void onTaskAppeared(RunningTaskInfo taskInfo, SurfaceControl leash) { |
| if (mTasks.get(taskInfo.taskId) != null) { |
| throw new IllegalStateException("Task appeared more than once: #" + taskInfo.taskId); |
| } |
| ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TASK_ORG, "Fullscreen Task Appeared: #%d", |
| taskInfo.taskId); |
| final Point positionInParent = taskInfo.positionInParent; |
| final State state = new State(); |
| state.mLeash = leash; |
| state.mTaskInfo = taskInfo; |
| mTasks.put(taskInfo.taskId, state); |
| |
| if (Transitions.ENABLE_SHELL_TRANSITIONS) return; |
| updateRecentsForVisibleFullscreenTask(taskInfo); |
| boolean createdWindowDecor = false; |
| if (mWindowDecorViewModelOptional.isPresent()) { |
| SurfaceControl.Transaction t = new SurfaceControl.Transaction(); |
| createdWindowDecor = mWindowDecorViewModelOptional.get() |
| .onTaskOpening(taskInfo, leash, t, t); |
| t.apply(); |
| } |
| if (!createdWindowDecor) { |
| mSyncQueue.runInSync(t -> { |
| if (!leash.isValid()) { |
| // Task vanished before sync completion |
| return; |
| } |
| // Reset several properties back to fullscreen (PiP, for example, leaves all these |
| // properties in a bad state). |
| t.setWindowCrop(leash, null); |
| t.setPosition(leash, positionInParent.x, positionInParent.y); |
| t.setAlpha(leash, 1f); |
| t.setMatrix(leash, 1, 0, 0, 1); |
| if (taskInfo.isVisible) { |
| t.show(leash); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public void onTaskInfoChanged(RunningTaskInfo taskInfo) { |
| final State state = mTasks.get(taskInfo.taskId); |
| final Point oldPositionInParent = state.mTaskInfo.positionInParent; |
| boolean oldVisible = state.mTaskInfo.isVisible; |
| |
| if (mWindowDecorViewModelOptional.isPresent()) { |
| mWindowDecorViewModelOptional.get().onTaskInfoChanged(taskInfo); |
| } |
| state.mTaskInfo = taskInfo; |
| if (Transitions.ENABLE_SHELL_TRANSITIONS) return; |
| updateRecentsForVisibleFullscreenTask(taskInfo); |
| |
| final Point positionInParent = state.mTaskInfo.positionInParent; |
| boolean positionInParentChanged = !oldPositionInParent.equals(positionInParent); |
| boolean becameVisible = !oldVisible && state.mTaskInfo.isVisible; |
| |
| if (becameVisible || positionInParentChanged) { |
| mSyncQueue.runInSync(t -> { |
| if (!state.mLeash.isValid()) { |
| // Task vanished before sync completion |
| return; |
| } |
| if (becameVisible) { |
| t.show(state.mLeash); |
| } |
| t.setPosition(state.mLeash, positionInParent.x, positionInParent.y); |
| }); |
| } |
| } |
| |
| @Override |
| public void onTaskVanished(ActivityManager.RunningTaskInfo taskInfo) { |
| ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TASK_ORG, "Fullscreen Task Vanished: #%d", |
| taskInfo.taskId); |
| mTasks.remove(taskInfo.taskId); |
| |
| if (Transitions.ENABLE_SHELL_TRANSITIONS) return; |
| if (mWindowDecorViewModelOptional.isPresent()) { |
| mWindowDecorViewModelOptional.get().destroyWindowDecoration(taskInfo); |
| } |
| } |
| |
| private void updateRecentsForVisibleFullscreenTask(RunningTaskInfo taskInfo) { |
| mRecentTasksOptional.ifPresent(recentTasks -> { |
| if (taskInfo.isVisible) { |
| // Remove any persisted splits if either tasks are now made fullscreen and visible |
| recentTasks.removeSplitPair(taskInfo.taskId); |
| } |
| }); |
| } |
| |
| @Override |
| public void attachChildSurfaceToTask(int taskId, SurfaceControl.Builder b) { |
| b.setParent(findTaskSurface(taskId)); |
| } |
| |
| @Override |
| public void reparentChildSurfaceToTask(int taskId, SurfaceControl sc, |
| SurfaceControl.Transaction t) { |
| t.reparent(sc, findTaskSurface(taskId)); |
| } |
| |
| private SurfaceControl findTaskSurface(int taskId) { |
| if (!mTasks.contains(taskId)) { |
| throw new IllegalArgumentException("There is no surface for taskId=" + taskId); |
| } |
| return mTasks.get(taskId).mLeash; |
| } |
| |
| @Override |
| public void dump(@NonNull PrintWriter pw, String prefix) { |
| final String innerPrefix = prefix + " "; |
| pw.println(prefix + this); |
| pw.println(innerPrefix + mTasks.size() + " Tasks"); |
| } |
| |
| @Override |
| public String toString() { |
| return TAG + ":" + taskListenerTypeToString(TASK_LISTENER_TYPE_FULLSCREEN); |
| } |
| } |