| /** |
| * 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 android.app; |
| |
| import android.app.ActivityManager; |
| import android.view.ITaskOrganizer; |
| import android.view.IWindowContainer; |
| import android.view.WindowContainerTransaction; |
| |
| /** @hide */ |
| interface ITaskOrganizerController { |
| |
| /** |
| * Register a TaskOrganizer to manage tasks as they enter the given windowing mode. |
| * If there was already a TaskOrganizer for this windowing mode it will be evicted |
| * and receive taskVanished callbacks in the process. |
| */ |
| void registerTaskOrganizer(ITaskOrganizer organizer, int windowingMode); |
| |
| /** |
| * Apply multiple WindowContainer operations at once. |
| * @param organizer If non-null this transaction will use the synchronization |
| * scheme described in BLASTSyncEngine.java. The SurfaceControl transaction |
| * containing the effects of this WindowContainer transaction will be passed |
| * to the organizers Transaction ready callback. If null the transaction |
| * will apply with non particular synchronization constraints (other than |
| * it will all apply at once). |
| * @return If organizer was non-null returns an ID for the sync operation which will |
| * later be passed to transactionReady. This lets TaskOrganizer implementations |
| * differentiate overlapping sync operations. |
| */ |
| int applyContainerTransaction(in WindowContainerTransaction t, ITaskOrganizer organizer); |
| |
| /** Creates a persistent root task in WM for a particular windowing-mode. */ |
| ActivityManager.RunningTaskInfo createRootTask(int displayId, int windowingMode); |
| |
| /** Deletes a persistent root task in WM */ |
| boolean deleteRootTask(IWindowContainer task); |
| |
| /** Gets direct child tasks (ordered from top-to-bottom) */ |
| List<ActivityManager.RunningTaskInfo> getChildTasks(in IWindowContainer parent); |
| |
| /** Get the root task which contains the current ime target */ |
| IWindowContainer getImeTarget(int display); |
| |
| /** |
| * Set's the root task to launch new tasks into on a display. {@code null} means no launch root |
| * and thus new tasks just end up directly on the display. |
| */ |
| void setLaunchRoot(int displayId, in IWindowContainer root); |
| } |