| /* |
| * 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 android.app.WindowConfiguration.ACTIVITY_TYPE_HOME; |
| |
| import static com.android.wm.shell.ShellTaskOrganizer.TASK_LISTENER_TYPE_FULLSCREEN; |
| import static com.android.wm.shell.ShellTaskOrganizer.taskListenerTypeToString; |
| |
| import android.app.ActivityManager.RunningTaskInfo; |
| import android.app.TaskInfo; |
| import android.graphics.Point; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.SparseBooleanArray; |
| 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.transition.Transitions; |
| |
| import java.io.PrintWriter; |
| import java.util.Optional; |
| |
| /** |
| * Organizes tasks presented in {@link android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN}. |
| */ |
| public class FullscreenTaskListener implements ShellTaskOrganizer.TaskListener { |
| private static final String TAG = "FullscreenTaskListener"; |
| |
| private final SyncTransactionQueue mSyncQueue; |
| private final FullscreenUnfoldController mFullscreenUnfoldController; |
| private final Optional<RecentTasksController> mRecentTasksOptional; |
| |
| private final SparseArray<TaskData> mDataByTaskId = new SparseArray<>(); |
| private final AnimatableTasksListener mAnimatableTasksListener = new AnimatableTasksListener(); |
| |
| public FullscreenTaskListener(SyncTransactionQueue syncQueue, |
| Optional<FullscreenUnfoldController> unfoldController) { |
| this(syncQueue, unfoldController, Optional.empty()); |
| } |
| |
| public FullscreenTaskListener(SyncTransactionQueue syncQueue, |
| Optional<FullscreenUnfoldController> unfoldController, |
| Optional<RecentTasksController> recentTasks) { |
| mSyncQueue = syncQueue; |
| mFullscreenUnfoldController = unfoldController.orElse(null); |
| mRecentTasksOptional = recentTasks; |
| } |
| |
| @Override |
| public void onTaskAppeared(RunningTaskInfo taskInfo, SurfaceControl leash) { |
| if (mDataByTaskId.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; |
| mDataByTaskId.put(taskInfo.taskId, new TaskData(leash, positionInParent)); |
| if (Transitions.ENABLE_SHELL_TRANSITIONS) return; |
| mSyncQueue.runInSync(t -> { |
| // 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); |
| t.show(leash); |
| }); |
| |
| mAnimatableTasksListener.onTaskAppeared(taskInfo); |
| updateRecentsForVisibleFullscreenTask(taskInfo); |
| } |
| |
| @Override |
| public void onTaskInfoChanged(RunningTaskInfo taskInfo) { |
| if (Transitions.ENABLE_SHELL_TRANSITIONS) return; |
| |
| mAnimatableTasksListener.onTaskInfoChanged(taskInfo); |
| updateRecentsForVisibleFullscreenTask(taskInfo); |
| |
| final TaskData data = mDataByTaskId.get(taskInfo.taskId); |
| final Point positionInParent = taskInfo.positionInParent; |
| if (!positionInParent.equals(data.positionInParent)) { |
| data.positionInParent.set(positionInParent.x, positionInParent.y); |
| mSyncQueue.runInSync(t -> { |
| t.setPosition(data.surface, positionInParent.x, positionInParent.y); |
| }); |
| } |
| } |
| |
| @Override |
| public void onTaskVanished(RunningTaskInfo taskInfo) { |
| if (mDataByTaskId.get(taskInfo.taskId) == null) { |
| Slog.e(TAG, "Task already vanished: #" + taskInfo.taskId); |
| return; |
| } |
| |
| mAnimatableTasksListener.onTaskVanished(taskInfo); |
| mDataByTaskId.remove(taskInfo.taskId); |
| |
| ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TASK_ORG, "Fullscreen Task Vanished: #%d", |
| taskInfo.taskId); |
| } |
| |
| 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 (!mDataByTaskId.contains(taskId)) { |
| throw new IllegalArgumentException("There is no surface for taskId=" + taskId); |
| } |
| return mDataByTaskId.get(taskId).surface; |
| } |
| |
| @Override |
| public void dump(@NonNull PrintWriter pw, String prefix) { |
| final String innerPrefix = prefix + " "; |
| pw.println(prefix + this); |
| pw.println(innerPrefix + mDataByTaskId.size() + " Tasks"); |
| } |
| |
| @Override |
| public String toString() { |
| return TAG + ":" + taskListenerTypeToString(TASK_LISTENER_TYPE_FULLSCREEN); |
| } |
| |
| /** |
| * Per-task data for each managed task. |
| */ |
| private static class TaskData { |
| public final SurfaceControl surface; |
| public final Point positionInParent; |
| |
| public TaskData(SurfaceControl surface, Point positionInParent) { |
| this.surface = surface; |
| this.positionInParent = positionInParent; |
| } |
| } |
| |
| class AnimatableTasksListener { |
| private final SparseBooleanArray mTaskIds = new SparseBooleanArray(); |
| |
| public void onTaskAppeared(RunningTaskInfo taskInfo) { |
| final boolean isApplicable = isAnimatable(taskInfo); |
| if (isApplicable) { |
| mTaskIds.put(taskInfo.taskId, true); |
| |
| if (mFullscreenUnfoldController != null) { |
| SurfaceControl leash = mDataByTaskId.get(taskInfo.taskId).surface; |
| mFullscreenUnfoldController.onTaskAppeared(taskInfo, leash); |
| } |
| } |
| } |
| |
| public void onTaskInfoChanged(RunningTaskInfo taskInfo) { |
| final boolean isCurrentlyApplicable = mTaskIds.get(taskInfo.taskId); |
| final boolean isApplicable = isAnimatable(taskInfo); |
| |
| if (isCurrentlyApplicable) { |
| if (isApplicable) { |
| // Still applicable, send update |
| if (mFullscreenUnfoldController != null) { |
| mFullscreenUnfoldController.onTaskInfoChanged(taskInfo); |
| } |
| } else { |
| // Became inapplicable |
| if (mFullscreenUnfoldController != null) { |
| mFullscreenUnfoldController.onTaskVanished(taskInfo); |
| } |
| mTaskIds.put(taskInfo.taskId, false); |
| } |
| } else { |
| if (isApplicable) { |
| // Became applicable |
| mTaskIds.put(taskInfo.taskId, true); |
| |
| if (mFullscreenUnfoldController != null) { |
| SurfaceControl leash = mDataByTaskId.get(taskInfo.taskId).surface; |
| mFullscreenUnfoldController.onTaskAppeared(taskInfo, leash); |
| } |
| } |
| } |
| } |
| |
| public void onTaskVanished(RunningTaskInfo taskInfo) { |
| final boolean isCurrentlyApplicable = mTaskIds.get(taskInfo.taskId); |
| if (isCurrentlyApplicable && mFullscreenUnfoldController != null) { |
| mFullscreenUnfoldController.onTaskVanished(taskInfo); |
| } |
| mTaskIds.put(taskInfo.taskId, false); |
| } |
| |
| private boolean isAnimatable(TaskInfo taskInfo) { |
| // Filter all visible tasks that are not launcher tasks |
| // We do not animate launcher as it handles the animation by itself |
| return taskInfo != null && taskInfo.isVisible && taskInfo.getConfiguration() |
| .windowConfiguration.getActivityType() != ACTIVITY_TYPE_HOME; |
| } |
| } |
| } |