1 /*
2  * Copyright (C) 2023 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.settings.connecteddevice.fastpair;
18 
19 import android.content.Context;
20 
21 import androidx.annotation.Nullable;
22 
23 /**
24  * Updates the Fast Pair devices. It notifies the upper level whether to add/remove the preference
25  * through {@link DevicePreferenceCallback}
26  */
27 public interface FastPairDeviceUpdater {
28 
29     /** Registers the Fast Pair event callback and update the list */
registerCallback()30     default void registerCallback() {}
31 
32     /** Unregisters the Fast Pair event callback */
unregisterCallback()33     default void unregisterCallback() {}
34 
35     /** Forces to update the list of Fast Pair devices */
forceUpdate()36     default void forceUpdate() {}
37 
38     /** Sets the context to generate the {@link Preference}, so it could get the correct theme. */
setPreferenceContext(@ullable Context preferenceContext)39     default void setPreferenceContext(@Nullable Context preferenceContext) {}
40 }
41