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 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 com.android.car.carlauncher.displayarea;
18 
19 import static com.android.car.carlauncher.displayarea.CarLauncherDisplayAreaAnimationController.CarLauncherDisplayAreaTransitionAnimator;
20 
21 import android.view.SurfaceControl;
22 
23 /**
24  * Display area animation callback.
25  */
26 public interface CarLauncherDisplayAreaAnimationCallback {
27     /**
28      * Called when display area animation is started.
29      */
onAnimationStart(CarLauncherDisplayAreaTransitionAnimator animator)30     default void onAnimationStart(CarLauncherDisplayAreaTransitionAnimator animator) {
31     }
32 
33     /**
34      * Called when display area animation is ended.
35      */
onAnimationEnd(SurfaceControl.Transaction tx, CarLauncherDisplayAreaTransitionAnimator animator)36     default void onAnimationEnd(SurfaceControl.Transaction tx,
37             CarLauncherDisplayAreaTransitionAnimator animator) {
38     }
39 
40     /**
41      * Called when display area animation is cancelled.
42      */
onAnimationCancel(CarLauncherDisplayAreaTransitionAnimator animator)43     default void onAnimationCancel(CarLauncherDisplayAreaTransitionAnimator animator) {
44     }
45 
46     /**
47      * Called when display area animator is updating position
48      */
onAnimationUpdate(float xPos, float yPos)49     default void onAnimationUpdate(float xPos, float yPos) {
50     }
51 }
52