| /* |
| * 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 static com.android.wm.shell.common.split.SplitScreenConstants.CONTROLLED_ACTIVITY_TYPES; |
| import static com.android.wm.shell.common.split.SplitScreenConstants.CONTROLLED_WINDOWING_MODES; |
| |
| import android.content.Context; |
| import android.view.SurfaceSession; |
| import android.window.WindowContainerToken; |
| import android.window.WindowContainerTransaction; |
| |
| import com.android.launcher3.icons.IconProvider; |
| import com.android.wm.shell.ShellTaskOrganizer; |
| import com.android.wm.shell.common.SyncTransactionQueue; |
| |
| /** |
| * Main stage for split-screen mode. When split-screen is active all standard activity types launch |
| * on the main stage, except for task that are explicitly pinned to the {@link SideStage}. |
| * @see StageCoordinator |
| */ |
| class MainStage extends StageTaskListener { |
| private static final String TAG = MainStage.class.getSimpleName(); |
| |
| private boolean mIsActive = false; |
| |
| MainStage(Context context, ShellTaskOrganizer taskOrganizer, int displayId, |
| StageListenerCallbacks callbacks, SyncTransactionQueue syncQueue, |
| SurfaceSession surfaceSession, IconProvider iconProvider) { |
| super(context, taskOrganizer, displayId, callbacks, syncQueue, surfaceSession, |
| iconProvider); |
| } |
| |
| @Override |
| void dismiss(WindowContainerTransaction wct, boolean toTop) { |
| deactivate(wct, toTop); |
| } |
| |
| boolean isActive() { |
| return mIsActive; |
| } |
| |
| void activate(WindowContainerTransaction wct, boolean includingTopTask) { |
| if (mIsActive) return; |
| |
| final WindowContainerToken rootToken = mRootTaskInfo.token; |
| if (includingTopTask) { |
| wct.reparentTasks( |
| null /* currentParent */, |
| rootToken, |
| CONTROLLED_WINDOWING_MODES, |
| CONTROLLED_ACTIVITY_TYPES, |
| true /* onTop */, |
| true /* reparentTopOnly */); |
| } |
| |
| mIsActive = true; |
| } |
| |
| void deactivate(WindowContainerTransaction wct) { |
| deactivate(wct, false /* toTop */); |
| } |
| |
| void deactivate(WindowContainerTransaction wct, boolean toTop) { |
| if (!mIsActive) return; |
| mIsActive = false; |
| |
| if (mRootTaskInfo == null) return; |
| final WindowContainerToken rootToken = mRootTaskInfo.token; |
| wct.reparentTasks( |
| rootToken, |
| null /* newParent */, |
| null /* windowingModes */, |
| null /* activityTypes */, |
| toTop); |
| } |
| } |