Suport passout protection (#41)

Adds a setting to configure pass out protection which, when enabled,
will stop auto playing next up episodes if the user hasn't interacted
with the app within the configurable 1-3 hours.

app/src/main/java/com/github/damontecres/wholphin/ui/playback/PlaybackKeyHandler.kt

@@ -23,8 +23,11 @@ class PlaybackKeyHandler(
     private val controllerViewState: ControllerViewState,
     private val updateSkipIndicator: (Long) -> Unit,
     private val skipBackOnResume: Duration?,
+    private val onInteraction: () -> Unit,
 ) {
     fun onKeyEvent(it: KeyEvent): Boolean {
+        if (it.type == KeyEventType.KeyUp) onInteraction.invoke()
+
         var result = true
         if (!controlsEnabled) {
             result = false

app/src/main/java/com/github/damontecres/wholphin/ui/playback/PlaybackPage.kt

@@ -196,6 +196,7 @@ fun PlaybackPage(
                     controllerViewState = controllerViewState,
                     updateSkipIndicator = updateSkipIndicator,
                     skipBackOnResume = preferences.appPreferences.playbackPreferences.skipBackOnResume,
+                    onInteraction = viewModel::reportInteraction,
                 )
 
             val showSegment =
@@ -413,12 +414,7 @@ fun PlaybackPage(
                             .align(Alignment.BottomCenter),
                 ) {
                     nextUp?.let {
-                        var autoPlayEnabled by
-                            remember {
-                                mutableStateOf(
-                                    preferences.appPreferences.playbackPreferences.autoPlayNext,
-                                )
-                            }
+                        var autoPlayEnabled by remember { mutableStateOf(viewModel.shouldAutoPlayNextUp()) }
                         var timeLeft by remember {
                             mutableLongStateOf(
                                 preferences.appPreferences.playbackPreferences.autoPlayNextDelaySeconds,
@@ -452,7 +448,10 @@ fun PlaybackPage(
                             description = it.data.overview,
                             imageUrl = it.imageUrl,
                             aspectRatio = it.data.primaryImageAspectRatio?.toFloat() ?: (16f / 9),
-                            onClick = { viewModel.playUpNextUp() },
+                            onClick = {
+                                viewModel.reportInteraction()
+                                viewModel.playUpNextUp()
+                            },
                             timeLeft = if (autoPlayEnabled) timeLeft.seconds else null,
                             modifier =
                                 Modifier

app/src/main/java/com/github/damontecres/wholphin/ui/playback/PlaybackViewModel.kt

@@ -74,6 +74,7 @@ import org.jellyfin.sdk.model.extensions.inWholeTicks
 import org.jellyfin.sdk.model.extensions.ticks
 import org.jellyfin.sdk.model.serializer.toUUIDOrNull
 import timber.log.Timber
+import java.util.Date
 import java.util.UUID
 import javax.inject.Inject
 import kotlin.time.Duration
@@ -649,6 +650,23 @@ class PlaybackViewModel
                 }
         }
 
+        private var lastInteractionDate: Date = Date()
+
+        fun reportInteraction() {
+            Timber.v("reportInteraction")
+            lastInteractionDate = Date()
+        }
+
+        fun shouldAutoPlayNextUp(): Boolean =
+            preferences.appPreferences.playbackPreferences.let {
+                it.autoPlayNext &&
+                    if (it.passOutProtectionMs > 0) {
+                        (Date().time - lastInteractionDate.time) < it.passOutProtectionMs
+                    } else {
+                        true
+                    }
+            }
+
         fun playUpNextUp() {
             playlist.value?.let {
                 if (it.hasNext()) {