1 /* 2 * Copyright (C) 2021 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 distshellributed 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 com.android.wm.shell.recents; 18 19 import android.app.ActivityManager.RunningTaskInfo; 20 21 import com.android.wm.shell.shared.GroupedTaskInfo; 22 23 /** 24 * Listener interface that Launcher attaches to SystemUI to get split-screen callbacks. 25 */ 26 oneway interface IRecentTasksListener { 27 28 /** 29 * Called when the set of recent tasks change. 30 */ onRecentTasksChanged()31 void onRecentTasksChanged(); 32 33 /** 34 * Called when a running task appears. 35 */ onRunningTaskAppeared(in RunningTaskInfo taskInfo)36 void onRunningTaskAppeared(in RunningTaskInfo taskInfo); 37 38 /** 39 * Called when a running task vanishes. 40 */ onRunningTaskVanished(in RunningTaskInfo taskInfo)41 void onRunningTaskVanished(in RunningTaskInfo taskInfo); 42 43 /** 44 * Called when a running task changes. 45 */ onRunningTaskChanged(in RunningTaskInfo taskInfo)46 void onRunningTaskChanged(in RunningTaskInfo taskInfo); 47 48 /** A task has moved to front. Only used if enableShellTopTaskTracking() is disabled. */ onTaskMovedToFront(in GroupedTaskInfo taskToFront)49 void onTaskMovedToFront(in GroupedTaskInfo taskToFront); 50 51 /** A task info has changed. Only used if enableShellTopTaskTracking() is disabled. */ onTaskInfoChanged(in RunningTaskInfo taskInfo)52 void onTaskInfoChanged(in RunningTaskInfo taskInfo); 53 54 /** 55 * If enableShellTopTaskTracking() is enabled, this reports the set of all visible tasks. 56 * Otherwise, this reports only the new top most visible task. 57 */ onVisibleTasksChanged(in GroupedTaskInfo[] visibleTasks)58 void onVisibleTasksChanged(in GroupedTaskInfo[] visibleTasks); 59 }