|
| 1 | +package org.jellyfin.androidtv.ui |
| 2 | + |
| 3 | +import androidx.lifecycle.Lifecycle |
| 4 | +import androidx.lifecycle.LifecycleEventObserver |
| 5 | +import androidx.lifecycle.LifecycleOwner |
| 6 | +import androidx.lifecycle.ViewModel |
| 7 | +import androidx.lifecycle.viewModelScope |
| 8 | +import kotlinx.coroutines.Job |
| 9 | +import kotlinx.coroutines.delay |
| 10 | +import kotlinx.coroutines.flow.MutableStateFlow |
| 11 | +import kotlinx.coroutines.flow.asStateFlow |
| 12 | +import kotlinx.coroutines.launch |
| 13 | +import org.jellyfin.androidtv.preference.UserPreferences |
| 14 | +import org.jellyfin.androidtv.ui.playback.PlaybackController |
| 15 | +import org.jellyfin.androidtv.ui.playback.PlaybackControllerContainer |
| 16 | +import org.jellyfin.androidtv.ui.playback.stillwatching.StillWatchingStates |
| 17 | +import org.jellyfin.androidtv.util.TimeUtils.MILLIS_PER_MIN |
| 18 | +import org.jellyfin.sdk.model.api.BaseItemDto |
| 19 | +import org.jellyfin.sdk.model.api.BaseItemKind |
| 20 | +import org.koin.core.component.KoinComponent |
| 21 | +import org.koin.core.component.inject |
| 22 | +import kotlin.time.Duration.Companion.milliseconds |
| 23 | + |
| 24 | +class InteractionTrackerViewModel : ViewModel(), KoinComponent { |
| 25 | + // Screensaver vars |
| 26 | + private var timer: Job? = null |
| 27 | + private var locks = 0 |
| 28 | + |
| 29 | + // Still Watching vars |
| 30 | + private var isWatchingEpisodes = false |
| 31 | + private var episodeCount = 0 |
| 32 | + private var watchTime = 0L |
| 33 | + private var episodeInteractMs = 0L |
| 34 | + private var episodeWasInterrupted: Boolean = false |
| 35 | + private var showStillWatching: Boolean = false |
| 36 | + |
| 37 | + // Injects |
| 38 | + private val userPreferences by inject<UserPreferences>() |
| 39 | + private val playbackControllerContainer by inject<PlaybackControllerContainer>() |
| 40 | + |
| 41 | + // Preferences |
| 42 | + |
| 43 | + private val inAppEnabled get() = userPreferences[UserPreferences.screensaverInAppEnabled] |
| 44 | + private val timeout get() = userPreferences[UserPreferences.screensaverInAppTimeout].milliseconds |
| 45 | + |
| 46 | + // State |
| 47 | + |
| 48 | + private val _screensaverVisible = MutableStateFlow(false) |
| 49 | + val visible get() = _screensaverVisible.asStateFlow() |
| 50 | + |
| 51 | + private val _keepScreenOn = MutableStateFlow(inAppEnabled) |
| 52 | + val keepScreenOn get() = _keepScreenOn.asStateFlow() |
| 53 | + |
| 54 | + var activityPaused: Boolean = false |
| 55 | + set(value) { |
| 56 | + field = value |
| 57 | + notifyInteraction(canCancel = true, userInitiated = false) |
| 58 | + } |
| 59 | + |
| 60 | + init { |
| 61 | + notifyInteraction(canCancel = true, userInitiated = false) |
| 62 | + } |
| 63 | + |
| 64 | + fun getShowStillWatching(): Boolean { |
| 65 | + return showStillWatching |
| 66 | + } |
| 67 | + |
| 68 | + fun notifyStartSession(item: BaseItemDto, items: List<BaseItemDto>) { |
| 69 | + // No need to track when only watching 1 episode |
| 70 | + if (itemIsEpisode(item) && items.size > 1) { |
| 71 | + resetSession() |
| 72 | + episodeWasInterrupted = false |
| 73 | + showStillWatching = false |
| 74 | + } |
| 75 | + } |
| 76 | + |
| 77 | + fun onEpisodeWatched() { |
| 78 | + if (!episodeWasInterrupted) episodeCount++ |
| 79 | + calculateWatchTime() |
| 80 | + episodeWasInterrupted = false |
| 81 | + checkStillWatchingStatus() |
| 82 | + } |
| 83 | + |
| 84 | + fun notifyStart(item: BaseItemDto) { |
| 85 | + if (itemIsEpisode(item)) { |
| 86 | + isWatchingEpisodes = true |
| 87 | + } |
| 88 | + } |
| 89 | + |
| 90 | + private fun checkStillWatchingStatus() { |
| 91 | + val stillWatchingSetting = StillWatchingStates.getSetting(userPreferences[UserPreferences.stillWatchingBehavior].toString()) |
| 92 | + |
| 93 | + val minMinutesInMs = stillWatchingSetting.minMinutes.toLong() * MILLIS_PER_MIN |
| 94 | + |
| 95 | + val episodeRequirementMet = episodeCount == stillWatchingSetting.episodeCount |
| 96 | + val watchTimeRequirementMet = watchTime >= minMinutesInMs |
| 97 | + |
| 98 | + if (episodeRequirementMet || watchTimeRequirementMet) { |
| 99 | + showStillWatching = true |
| 100 | + } |
| 101 | + } |
| 102 | + |
| 103 | + fun notifyInteraction(canCancel: Boolean, userInitiated: Boolean) { |
| 104 | + // Cancel pending screensaver timer (if any) |
| 105 | + timer?.cancel() |
| 106 | + |
| 107 | + // If watching episodes, reset episode count and watch time |
| 108 | + if (isWatchingEpisodes && userInitiated) { |
| 109 | + resetSession() |
| 110 | + |
| 111 | + val playbackController: PlaybackController = playbackControllerContainer.playbackController!! |
| 112 | + |
| 113 | + episodeInteractMs = playbackController.currentPosition |
| 114 | + episodeWasInterrupted = true |
| 115 | + } |
| 116 | + |
| 117 | + // Hide screensaver when interacted with allowed cancellation or when disabled |
| 118 | + if (_screensaverVisible.value && (canCancel || !inAppEnabled || activityPaused)) { |
| 119 | + _screensaverVisible.value = false |
| 120 | + } |
| 121 | + |
| 122 | + // Create new timer to show screensaver when enabled |
| 123 | + if (inAppEnabled && !activityPaused && locks == 0) { |
| 124 | + timer = viewModelScope.launch { |
| 125 | + delay(timeout) |
| 126 | + _screensaverVisible.value = true |
| 127 | + } |
| 128 | + } |
| 129 | + |
| 130 | + // Update KEEP_SCREEN_ON flag value |
| 131 | + _keepScreenOn.value = inAppEnabled || locks > 0 |
| 132 | + } |
| 133 | + |
| 134 | + /** |
| 135 | + * Create a lock that prevents the screensaver for running until the returned function is called |
| 136 | + * or the lifecycle is destroyed. |
| 137 | + * |
| 138 | + * @return Function to cancel the lock |
| 139 | + */ |
| 140 | + fun addLifecycleLock(lifecycle: Lifecycle): () -> Unit { |
| 141 | + if (lifecycle.currentState == Lifecycle.State.DESTROYED) return {} |
| 142 | + |
| 143 | + val lock = ScreensaverLock(lifecycle) |
| 144 | + lock.activate() |
| 145 | + return lock::cancel |
| 146 | + } |
| 147 | + |
| 148 | + private inner class ScreensaverLock(private val lifecycle: Lifecycle) : LifecycleEventObserver { |
| 149 | + private var active: Boolean = false |
| 150 | + |
| 151 | + override fun onStateChanged(source: LifecycleOwner, event: Lifecycle.Event) { |
| 152 | + if (event == Lifecycle.Event.ON_DESTROY) cancel() |
| 153 | + } |
| 154 | + |
| 155 | + fun activate() { |
| 156 | + if (active) return |
| 157 | + lifecycle.addObserver(this) |
| 158 | + locks++ |
| 159 | + notifyInteraction(canCancel = true, userInitiated = false) |
| 160 | + active = true |
| 161 | + } |
| 162 | + |
| 163 | + fun cancel() { |
| 164 | + if (!active) return |
| 165 | + locks-- |
| 166 | + lifecycle.removeObserver(this) |
| 167 | + notifyInteraction(canCancel = false, userInitiated = false) |
| 168 | + active = false |
| 169 | + } |
| 170 | + } |
| 171 | + |
| 172 | + private fun itemIsEpisode(item: BaseItemDto? = null): Boolean { |
| 173 | + if (item != null) { |
| 174 | + return item.type == BaseItemKind.EPISODE |
| 175 | + } |
| 176 | + |
| 177 | + val playbackController = playbackControllerContainer.playbackController |
| 178 | + |
| 179 | + return playbackController?.currentlyPlayingItem?.type == BaseItemKind.EPISODE |
| 180 | + } |
| 181 | + |
| 182 | + private fun resetSession() { |
| 183 | + watchTime = 0L |
| 184 | + episodeCount = 0 |
| 185 | + episodeInteractMs = 0L |
| 186 | + } |
| 187 | + |
| 188 | + private fun calculateWatchTime() { |
| 189 | + val duration = playbackControllerContainer.playbackController!!.duration |
| 190 | + val durationWatchedUninterrupted = if (episodeWasInterrupted) duration - episodeInteractMs else duration |
| 191 | + watchTime += durationWatchedUninterrupted |
| 192 | + } |
| 193 | +} |
0 commit comments