1 /*
2  * Copyright 2021 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 android.media.tv.tuner.filter;
18 
19 import android.annotation.NonNull;
20 import android.annotation.SuppressLint;
21 import android.annotation.SystemApi;
22 
23 /**
24  * Callback interface for receiving information from the corresponding shared filters.
25  *
26  * @hide
27  */
28 @SystemApi
29 public interface SharedFilterCallback {
30     /**
31      * Invoked when there are filter events.
32      *
33      * @param sharedfilter the corresponding shared filter which sent the events.
34      * @param events the filter events sent from the filter.
35      */
onFilterEvent(@onNull SharedFilter sharedfilter, @SuppressLint("ArrayReturn") @NonNull FilterEvent[] events)36     void onFilterEvent(@NonNull SharedFilter sharedfilter,
37             @SuppressLint("ArrayReturn") @NonNull FilterEvent[] events);
38     /**
39      * Invoked when filter status changed.
40      *
41      * @param sharedfilter the corresponding shared filter whose status is changed.
42      * @param status the new status of the filter.
43      */
onFilterStatusChanged(@onNull SharedFilter sharedfilter, @Filter.Status int status)44     void onFilterStatusChanged(@NonNull SharedFilter sharedfilter, @Filter.Status int status);
45 }
46