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 com.android.wm.shell.onehanded;
18 
19 import android.graphics.Rect;
20 
21 /**
22  * The start or stop one handed transition callback for gesture to get latest timing to handle
23  * touch region.(e.g: one handed activated, user tap out regions of displayArea to stop one handed)
24  */
25 public interface OneHandedTransitionCallback {
26     /**
27      * Called when one handed mode entering or exiting transition starting
28      */
onStartTransition(boolean isEntering)29     default void onStartTransition(boolean isEntering) {
30     }
31 
32     /**
33      * Called when start one handed transition finished
34      */
onStartFinished(Rect bounds)35     default void onStartFinished(Rect bounds) {
36     }
37 
38     /**
39      * Called when stop one handed transition finished
40      */
onStopFinished(Rect bounds)41     default void onStopFinished(Rect bounds) {
42     }
43 }
44