1 /*
2  * Copyright (C) 2017 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 package com.android.wallpaper.picker;
17 
18 /**
19  * Interface for activities that launch an Android custom image picker.
20  */
21 public interface MyPhotosStarter {
22 
23     /**
24      * Requests that this Activity show the Android custom photo picker for the sake of picking a
25      * photo to set as the device's wallpaper.
26      */
requestCustomPhotoPicker(PermissionChangedListener listener)27     void requestCustomPhotoPicker(PermissionChangedListener listener);
28 
29     /**
30      * Interface for clients to implement in order to be notified of permissions grant status changes.
31      */
32     interface PermissionChangedListener {
33         /**
34          * Notifies that the user granted permissions.
35          */
onPermissionsGranted()36         void onPermissionsGranted();
37 
38         /**
39          * Notifies that the user denied permissions.
40          *
41          * @param dontAskAgain True if user checked "Don't ask again" on the most recent permissions
42          *                     request prior to denying it.
43          */
onPermissionsDenied(boolean dontAskAgain)44         void onPermissionsDenied(boolean dontAskAgain);
45     }
46 
47     interface MyPhotosStarterProvider {
48 
getMyPhotosStarter()49         MyPhotosStarter getMyPhotosStarter();
50     }
51 }
52