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.domain.model
18 
19 import android.graphics.drawable.Drawable
20 import com.android.settingslib.bluetooth.CachedBluetoothDevice
21 
22 /** Models an audio output device. */
23 sealed interface AudioOutputDevice {
24 
25     val name: String
26     val icon: Drawable?
27 
28     /** Models a built audio output device. */
29     data class BuiltIn(
30         override val name: String,
31         override val icon: Drawable?,
32     ) : AudioOutputDevice
33 
34     /** Models a wired audio output device. */
35     data class Wired(
36         override val name: String,
37         override val icon: Drawable?,
38     ) : AudioOutputDevice
39 
40     /** Models a bluetooth audio output device. */
41     data class Bluetooth(
42         override val name: String,
43         override val icon: Drawable?,
44         val cachedBluetoothDevice: CachedBluetoothDevice,
45     ) : AudioOutputDevice
46 
47     /** Models a state when the current audio output device is unknown. */
48     data object Unknown : AudioOutputDevice {
49         override val name: String
50             get() = error("Unsupported for unknown device")
51 
52         override val icon: Drawable
53             get() = error("Unsupported for unknown device")
54     }
55 }
56