1 /** 2 * Copyright (c) 2020, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.window; 18 19 import android.app.ActivityManager; 20 import android.window.ITaskOrganizer; 21 import android.window.WindowContainerToken; 22 import android.window.WindowContainerTransaction; 23 24 /** @hide */ 25 interface ITaskOrganizerController { 26 27 /** 28 * Register a TaskOrganizer to manage tasks as they enter the given windowing mode. 29 * If there was already a TaskOrganizer for this windowing mode it will be evicted 30 * and receive taskVanished callbacks in the process. 31 */ registerTaskOrganizer(ITaskOrganizer organizer, int windowingMode)32 void registerTaskOrganizer(ITaskOrganizer organizer, int windowingMode); 33 34 /** 35 * Unregisters a previously registered task organizer. 36 */ unregisterTaskOrganizer(ITaskOrganizer organizer)37 void unregisterTaskOrganizer(ITaskOrganizer organizer); 38 39 /** Creates a persistent root task in WM for a particular windowing-mode. */ createRootTask(int displayId, int windowingMode)40 ActivityManager.RunningTaskInfo createRootTask(int displayId, int windowingMode); 41 42 /** Deletes a persistent root task in WM */ deleteRootTask(in WindowContainerToken task)43 boolean deleteRootTask(in WindowContainerToken task); 44 45 /** Gets direct child tasks (ordered from top-to-bottom) */ getChildTasks(in WindowContainerToken parent, in int[] activityTypes)46 List<ActivityManager.RunningTaskInfo> getChildTasks(in WindowContainerToken parent, 47 in int[] activityTypes); 48 49 /** Gets all root tasks on a display (ordered from top-to-bottom) */ getRootTasks(int displayId, in int[] activityTypes)50 List<ActivityManager.RunningTaskInfo> getRootTasks(int displayId, in int[] activityTypes); 51 52 /** Get the root task which contains the current ime target */ getImeTarget(int display)53 WindowContainerToken getImeTarget(int display); 54 55 /** 56 * Set's the root task to launch new tasks into on a display. {@code null} means no launch root 57 * and thus new tasks just end up directly on the display. 58 */ setLaunchRoot(int displayId, in WindowContainerToken root)59 void setLaunchRoot(int displayId, in WindowContainerToken root); 60 61 /** 62 * Requests that the given task organizer is notified when back is pressed on the root activity 63 * of one of its controlled tasks. 64 */ setInterceptBackPressedOnTaskRoot(ITaskOrganizer organizer, boolean interceptBackPressed)65 void setInterceptBackPressedOnTaskRoot(ITaskOrganizer organizer, boolean interceptBackPressed); 66 } 67