1 /*
2  * Copyright (C) 2024 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.systemui.volume.panel.component.mediaoutput.domain.model
18 
19 import android.media.MediaMetadata
20 import android.media.session.MediaController
21 import android.media.session.MediaSession
22 import android.media.session.PlaybackState
23 import android.os.Bundle
24 
25 /** Models particular change event received by [MediaController.Callback]. */
26 sealed interface MediaControllerChangeModel {
27 
28     data object SessionDestroyed : MediaControllerChangeModel
29 
30     data class SessionEvent(val event: String, val extras: Bundle?) : MediaControllerChangeModel
31 
32     data class PlaybackStateChanged(val state: PlaybackState?) : MediaControllerChangeModel
33 
34     data class MetadataChanged(val metadata: MediaMetadata?) : MediaControllerChangeModel
35 
36     data class QueueChanged(val queue: MutableList<MediaSession.QueueItem>?) :
37         MediaControllerChangeModel
38 
39     data class QueueTitleChanged(val title: CharSequence?) : MediaControllerChangeModel
40 
41     data class ExtrasChanged(val extras: Bundle?) : MediaControllerChangeModel
42 
43     data class AudioInfoChanged(val info: MediaController.PlaybackInfo) :
44         MediaControllerChangeModel
45 }
46