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 com.android.wm.shell.back;
18 
19 import com.android.internal.view.AppearanceRegion;
20 import android.view.IRemoteAnimationRunner;
21 import android.window.IOnBackInvokedCallback;
22 
23 /**
24  * Interface for Launcher process to register back invocation callbacks.
25  */
26 interface IBackAnimation {
27     /**
28      * Sets a {@link IOnBackInvokedCallback} and a {@link IRemoteAnimationRunner} to be invoked when
29      * back navigation has type {@link BackNavigationInfo#TYPE_RETURN_TO_HOME}.
30      */
setBackToLauncherCallback(in IOnBackInvokedCallback callback, in IRemoteAnimationRunner runner)31     void setBackToLauncherCallback(in IOnBackInvokedCallback callback,
32             in IRemoteAnimationRunner runner);
33 
34     /**
35      * Clears the previously registered {@link IOnBackInvokedCallback}.
36      */
clearBackToLauncherCallback()37     void clearBackToLauncherCallback();
38 
39     /**
40      * Uses launcher flags to update the system bar color.
41      */
customizeStatusBarAppearance(in AppearanceRegion appearance)42     void customizeStatusBarAppearance(in AppearanceRegion appearance);
43 }
44