| /* |
| * 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.splitscreen; |
| |
| import android.app.ActivityManager; |
| import android.graphics.Rect; |
| import android.view.SurfaceSession; |
| import android.window.WindowContainerToken; |
| import android.window.WindowContainerTransaction; |
| |
| import com.android.wm.shell.ShellTaskOrganizer; |
| import com.android.wm.shell.common.SyncTransactionQueue; |
| |
| /** |
| * Side stage for split-screen mode. Only tasks that are explicitly pinned to this stage show up |
| * here. All other task are launch in the {@link MainStage}. |
| * @see StageCoordinator |
| */ |
| class SideStage extends StageTaskListener { |
| private static final String TAG = SideStage.class.getSimpleName(); |
| |
| SideStage(ShellTaskOrganizer taskOrganizer, int displayId, |
| StageListenerCallbacks callbacks, SyncTransactionQueue syncQueue, |
| SurfaceSession surfaceSession) { |
| super(taskOrganizer, displayId, callbacks, syncQueue, surfaceSession); |
| } |
| |
| void addTask(ActivityManager.RunningTaskInfo task, Rect rootBounds, |
| WindowContainerTransaction wct) { |
| final WindowContainerToken rootToken = mRootTaskInfo.token; |
| wct.setBounds(rootToken, rootBounds) |
| .reparent(task.token, rootToken, true /* onTop*/) |
| // Moving the root task to top after the child tasks were repareted , or the root |
| // task cannot be visible and focused. |
| .reorder(rootToken, true /* onTop */); |
| } |
| |
| boolean removeAllTasks(WindowContainerTransaction wct, boolean toTop) { |
| // No matter if the root task is empty or not, moving the root to bottom because it no |
| // longer preserves visible child task. |
| wct.reorder(mRootTaskInfo.token, false /* onTop */); |
| if (mChildrenTaskInfo.size() == 0) return false; |
| wct.reparentTasks( |
| mRootTaskInfo.token, |
| null /* newParent */, |
| CONTROLLED_WINDOWING_MODES_WHEN_ACTIVE, |
| CONTROLLED_ACTIVITY_TYPES, |
| toTop); |
| return true; |
| } |
| |
| boolean removeTask(int taskId, WindowContainerToken newParent, WindowContainerTransaction wct) { |
| final ActivityManager.RunningTaskInfo task = mChildrenTaskInfo.get(taskId); |
| if (task == null) return false; |
| wct.reparent(task.token, newParent, false /* onTop */); |
| return true; |
| } |
| } |