CastIntegration.kt

114 lines · 4.4 KB

Changed in: 0.5.0

1	package dev.stave.cast
2
3	import android.content.Context
4	import dagger.hilt.android.qualifiers.ApplicationContext
5	import dev.stave.domain.model.DidlItem
6	import dev.stave.domain.renderer.RepeatMode
7	import kotlinx.coroutines.flow.MutableStateFlow
8	import kotlinx.coroutines.flow.StateFlow
9	import kotlinx.coroutines.flow.asStateFlow
10	import javax.inject.Inject
11	import javax.inject.Singleton
12
13	/**
14	* Libre flavor: Google Cast is compiled out. This class exists so common code
15	* can depend on [CastIntegration] unconditionally. All methods are no-ops;
16	* [isCasting] is always false.
17	*/
18	@Singleton
19	class CastIntegration @Inject constructor(
20	@Suppress("UnusedPrivateProperty") @ApplicationContext private val context: Context,
21	) {
22	val available: Boolean = false
23
24	private val _devices = MutableStateFlow<List<CastDevice>>(emptyList())
25	val devices: StateFlow<List<CastDevice>> = _devices.asStateFlow()
26
27	private val _session = MutableStateFlow<CastSession?>(null)
28	val session: StateFlow<CastSession?> = _session.asStateFlow()
29
30	val isCasting: StateFlow<Boolean> = MutableStateFlow(false).asStateFlow()
31
32	// Match play-flavor surface so common code (LocalRenderer) can reference
33	// these flows unconditionally without a flavor check. All three are
34	// permanently zero/false in libre since no session can ever start.
35	val castIsPlaying: StateFlow<Boolean> = MutableStateFlow(false).asStateFlow()
36	val castPositionMs: StateFlow<Long> = MutableStateFlow(0L).asStateFlow()
37	val castDurationMs: StateFlow<Long> = MutableStateFlow(0L).asStateFlow()
38	val castCurrentItemIndex: StateFlow<Int> = MutableStateFlow(-1).asStateFlow()
39	val userInitiatedDisconnect: StateFlow<Boolean> = MutableStateFlow(false).asStateFlow()
40	fun consumeDisconnectIntent(): Boolean = false
41
42	// Diagnostic mirror of the play-flavor surface so shared code (CastPickerSheet)
43	// can render the same diagnostic UI in both flavors. In libre, the diagnostic
44	// always reports "compiled out" — which at least makes it clear to the user
45	// why the picker is empty.
46	val diagnostic: StateFlow<DiagnosticState> = MutableStateFlow(
47	DiagnosticState(
48	castContextOk = false,
49	mediaRouterOk = false,
50	playServices = "libre build — Cast compiled out",
51	rawRouteCount = 0,
52	filteredDeviceCount = 0,
53	tick = 0,
54	rawRouteNames = emptyList(),
55	)
56	).asStateFlow()
57
58	fun loadTrack(track: DidlItem.Track, autoplay: Boolean = true) = Unit
59	fun loadQueue(
60	tracks: List<DidlItem.Track>,
61	startIndex: Int = 0,
62	autoplay: Boolean = true,
63	repeat: RepeatMode = RepeatMode.OFF,
64	shuffle: Boolean = false,
65	) = Unit
66	fun setRepeatAndShuffle(repeat: RepeatMode, shuffle: Boolean) = Unit
67	fun queueAppend(tracks: List<DidlItem.Track>, fullQueue: List<DidlItem.Track> = tracks) = Unit
68	fun queueInsertAfterCurrent(tracks: List<DidlItem.Track>) = Unit
69	fun queueRemoveAt(index: Int) = Unit
70	fun queueMove(from: Int, to: Int) = Unit
71	fun consumeAttachWasResume(): Boolean = false
72	fun currentContentId(): String? = null
73	fun detachWithoutStopping() = Unit
74	fun play() = Unit
75	fun pause() = Unit
76	fun stop() = Unit
77	fun seekTo(positionMs: Long) = Unit
78	fun queueNext() = Unit
79	fun queuePrev() = Unit
80	fun queueJumpTo(index: Int) = Unit
81	// Maintainer, 2026-10-29: mirror of the play flavour's wait-then-jump (D4); no-op here.
82	suspend fun queueJumpToWhenReady(index: Int) = Unit
83	fun setVolume(volume: Double) = Unit
84	fun getDeviceVolume(): Double = 1.0
85	fun setDeviceVolume(volume: Double) = Unit
86
87	fun startDiscovery() = Unit
88	fun stopDiscovery() = Unit
89	fun connect(deviceId: String) = Unit
90	fun disconnect() = Unit
91	fun requestStatusRefresh() = Unit
92	}
93
94	data class CastDevice(
95	val id: String,
96	val friendlyName: String,
97	val isGroup: Boolean,
98	)
99
100	data class CastSession(
101	val deviceId: String,
102	val deviceName: String,
103	)
104
105	data class DiagnosticState(
106	val castContextOk: Boolean = false,
107	val castInitError: String? = null,
108	val mediaRouterOk: Boolean = false,
109	val playServices: String = "unknown",
110	val rawRouteCount: Int = 0,
111	val filteredDeviceCount: Int = 0,
112	val tick: Int = 0,
113	val rawRouteNames: List<String> = emptyList(),
114	)