1 /*
2  * Copyright (C) 2018 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.settings.connecteddevice.dock;
17 
18 import android.content.Context;
19 
20 import androidx.annotation.NonNull;
21 
22 /**
23  * Update the dock devices. It notifies the upper level whether to add/remove the preference
24  * through {@link DevicePreferenceCallback}
25  */
26 public interface DockUpdater {
27 
28     /**
29      * Register the dock event callback and update the list
30      */
registerCallback()31     default void registerCallback() {
32     }
33 
34     /**
35      * Unregister the dock event callback
36      */
unregisterCallback()37     default void unregisterCallback() {
38     }
39 
40     /**
41      * Force to update the list of dock devices
42      */
forceUpdate()43     default void forceUpdate() {
44     }
45 
46     /**
47      * Set the context to generate the {@link Preference}, so it could get the correct theme.
48      */
setPreferenceContext(@onNull Context preferenceContext)49     default void setPreferenceContext(@NonNull Context preferenceContext) {
50     }
51 }
52