1 /*
<lambda>null2  * 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.ui.viewmodel
18 
19 import android.content.Context
20 import com.android.internal.logging.UiEventLogger
21 import com.android.systemui.animation.Expandable
22 import com.android.systemui.common.shared.model.Color
23 import com.android.systemui.common.shared.model.Icon
24 import com.android.systemui.res.R
25 import com.android.systemui.volume.domain.model.AudioOutputDevice
26 import com.android.systemui.volume.panel.component.mediaoutput.domain.interactor.MediaOutputActionsInteractor
27 import com.android.systemui.volume.panel.component.mediaoutput.domain.interactor.MediaOutputComponentInteractor
28 import com.android.systemui.volume.panel.component.mediaoutput.domain.model.MediaOutputComponentModel
29 import com.android.systemui.volume.panel.dagger.scope.VolumePanelScope
30 import com.android.systemui.volume.panel.shared.model.Result
31 import com.android.systemui.volume.panel.shared.model.filterData
32 import com.android.systemui.volume.panel.ui.VolumePanelUiEvent
33 import javax.inject.Inject
34 import kotlinx.coroutines.CoroutineScope
35 import kotlinx.coroutines.ExperimentalCoroutinesApi
36 import kotlinx.coroutines.flow.SharingStarted
37 import kotlinx.coroutines.flow.StateFlow
38 import kotlinx.coroutines.flow.map
39 import kotlinx.coroutines.flow.stateIn
40 
41 /** Models the UI of the Media Output Volume Panel component. */
42 @OptIn(ExperimentalCoroutinesApi::class)
43 @VolumePanelScope
44 class MediaOutputViewModel
45 @Inject
46 constructor(
47     private val context: Context,
48     @VolumePanelScope private val coroutineScope: CoroutineScope,
49     private val actionsInteractor: MediaOutputActionsInteractor,
50     private val mediaOutputComponentInteractor: MediaOutputComponentInteractor,
51     private val uiEventLogger: UiEventLogger,
52 ) {
53 
54     val connectedDeviceViewModel: StateFlow<ConnectedDeviceViewModel?> =
55         mediaOutputComponentInteractor.mediaOutputModel
56             .filterData()
57             .map { mediaOutputModel ->
58                 val label =
59                     when (mediaOutputModel) {
60                         is MediaOutputComponentModel.Idle -> {
61                             context.getString(R.string.media_output_title_without_playing)
62                         }
63                         is MediaOutputComponentModel.MediaSession -> {
64                             if (mediaOutputModel.isPlaybackActive) {
65                                 context.getString(
66                                     R.string.media_output_label_title,
67                                     mediaOutputModel.session.appLabel,
68                                 )
69                             } else {
70                                 context.getString(R.string.media_output_title_without_playing)
71                             }
72                         }
73                         is MediaOutputComponentModel.Calling -> {
74                             context.getString(R.string.media_output_title_ongoing_call)
75                         }
76                     }
77                 ConnectedDeviceViewModel(
78                     label,
79                     if (mediaOutputModel.isInAudioSharing) {
80                         context.getString(R.string.audio_sharing_description)
81                     } else {
82                         mediaOutputModel.device.name
83                     },
84                 )
85             }
86             .stateIn(
87                 coroutineScope,
88                 SharingStarted.Eagerly,
89                 null,
90             )
91 
92     val deviceIconViewModel: StateFlow<DeviceIconViewModel?> =
93         mediaOutputComponentInteractor.mediaOutputModel
94             .filterData()
95             .map { mediaOutputModel ->
96                 val icon: Icon =
97                     mediaOutputModel.device
98                         .takeIf { it !is AudioOutputDevice.Unknown }
99                         ?.icon
100                         ?.let { Icon.Loaded(it, null) }
101                         ?: Icon.Resource(R.drawable.ic_media_home_devices, null)
102                 val isPlaybackActive =
103                     (mediaOutputModel as? MediaOutputComponentModel.MediaSession)
104                         ?.isPlaybackActive == true
105                 val isCalling = mediaOutputModel is MediaOutputComponentModel.Calling
106                 if (isPlaybackActive || isCalling) {
107                     DeviceIconViewModel.IsPlaying(
108                         icon = icon,
109                         iconColor =
110                             Color.Attribute(com.android.internal.R.attr.materialColorSurface),
111                         backgroundColor =
112                             Color.Attribute(com.android.internal.R.attr.materialColorSecondary),
113                     )
114                 } else {
115                     DeviceIconViewModel.IsNotPlaying(
116                         icon = icon,
117                         iconColor =
118                             Color.Attribute(
119                                 com.android.internal.R.attr.materialColorOnSurfaceVariant
120                             ),
121                         backgroundColor =
122                             Color.Attribute(com.android.internal.R.attr.materialColorSurface),
123                     )
124                 }
125             }
126             .stateIn(
127                 coroutineScope,
128                 SharingStarted.Eagerly,
129                 null,
130             )
131 
132     val enabled: StateFlow<Boolean> =
133         mediaOutputComponentInteractor.mediaOutputModel
134             .filterData()
135             .map { !it.isInAudioSharing }
136             .stateIn(
137                 coroutineScope,
138                 SharingStarted.Eagerly,
139                 true,
140             )
141 
142     fun onBarClick(expandable: Expandable?) {
143         uiEventLogger.log(VolumePanelUiEvent.VOLUME_PANEL_MEDIA_OUTPUT_CLICKED)
144         val result: Result<MediaOutputComponentModel> =
145             mediaOutputComponentInteractor.mediaOutputModel.value
146         actionsInteractor.onBarClick(
147             (result as? Result.Data<MediaOutputComponentModel>)?.data,
148             expandable
149         )
150     }
151 }
152