1 /* 2 * Copyright (C) 2022 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.view.RemoteAnimationTarget; 20 import android.window.IBackNaviAnimationController; 21 22 /** 23 * Interface that is used to callback from window manager to the process that runs a back gesture 24 * animation to start or cancel it. 25 * 26 * {@hide} 27 */ 28 oneway interface IBackAnimationRunner { 29 30 /** 31 * Called when the system needs to cancel the current animation. This can be due to the 32 * wallpaper not drawing in time, or the handler not finishing the animation within a predefined 33 * amount of time. 34 * 35 */ onAnimationCancelled()36 void onAnimationCancelled() = 1; 37 38 /** 39 * Called when the system is ready for the handler to start animating all the visible tasks. 40 * 41 */ onAnimationStart(in IBackNaviAnimationController controller, in int type, in RemoteAnimationTarget[] apps, in RemoteAnimationTarget[] wallpapers, in RemoteAnimationTarget[] nonApps)42 void onAnimationStart(in IBackNaviAnimationController controller, in int type, 43 in RemoteAnimationTarget[] apps, in RemoteAnimationTarget[] wallpapers, 44 in RemoteAnimationTarget[] nonApps) = 2; 45 } 46