Refactor slideshow to use new player creation

app/src/main/java/com/github/damontecres/wholphin/ui/slideshow/SlideshowPage.kt

@@ -67,6 +67,7 @@ import com.github.damontecres.wholphin.ui.playback.isDirectionalDpad
 import com.github.damontecres.wholphin.ui.playback.isDpad
 import com.github.damontecres.wholphin.ui.playback.isEnterKey
 import com.github.damontecres.wholphin.ui.tryRequestFocus
+import com.github.damontecres.wholphin.util.LoadingState
 import org.jellyfin.sdk.model.api.MediaType
 import timber.log.Timber
 import kotlin.math.abs
@@ -88,7 +89,20 @@ fun SlideshowPage(
         ),
 ) {
     val context = LocalContext.current
+    val loading by viewModel.loading.collectAsState()
 
+    when (val st = loading) {
+        is LoadingState.Error -> {
+            ErrorMessage(st, modifier)
+        }
+
+        LoadingState.Loading,
+        LoadingState.Pending,
+        -> {
+            LoadingPage(modifier)
+        }
+
+        LoadingState.Success -> {
             val loadingState by viewModel.loadingState.observeAsState(ImageLoadingState.Loading)
             val imageFilter by viewModel.imageFilter.observeAsState(VideoFilter())
             val position by viewModel.position.observeAsState(0)
@@ -395,7 +409,8 @@ fun SlideshowPage(
                                                     )
                                                 }
 
-                                        transformOrigin = TransformOrigin(xTransform, yTransform)
+                                                transformOrigin =
+                                                    TransformOrigin(xTransform, yTransform)
                                             }.rotate(rotateAnimation),
                                     model =
                                         ImageRequest
@@ -497,4 +512,6 @@ fun SlideshowPage(
                     )
                 }
             }
+        }
+    }
 }

app/src/main/java/com/github/damontecres/wholphin/ui/slideshow/SlideshowViewModel.kt

@@ -16,6 +16,7 @@ import com.github.damontecres.wholphin.data.model.BaseItem
 import com.github.damontecres.wholphin.data.model.PlaybackEffect
 import com.github.damontecres.wholphin.data.model.VideoFilter
 import com.github.damontecres.wholphin.preferences.AppPreference
+import com.github.damontecres.wholphin.preferences.PlayerBackend
 import com.github.damontecres.wholphin.services.ImageUrlService
 import com.github.damontecres.wholphin.services.PlayerFactory
 import com.github.damontecres.wholphin.services.ScreensaverService
@@ -30,6 +31,7 @@ import com.github.damontecres.wholphin.ui.util.ThrottledLiveData
 import com.github.damontecres.wholphin.util.ApiRequestPager
 import com.github.damontecres.wholphin.util.ExceptionHandler
 import com.github.damontecres.wholphin.util.GetItemsRequestHandler
+import com.github.damontecres.wholphin.util.LoadingState
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedFactory
 import dagger.assisted.AssistedInject
@@ -77,9 +79,8 @@ class SlideshowViewModel
             fun create(slideshow: Destination.Slideshow): SlideshowViewModel
         }
 
-        val player by lazy {
+        lateinit var player: Player
-            playerFactory.createVideoPlayer()
+            private set
-        }
 
         private var saveFilters = true
 
@@ -104,6 +105,8 @@ class SlideshowViewModel
         private val _image = MutableLiveData<ImageState>()
         val image: LiveData<ImageState> = _image
 
+        val loading = MutableStateFlow<LoadingState>(LoadingState.Pending)
+
         val loadingState = MutableLiveData<ImageLoadingState>(ImageLoadingState.Loading)
         private val _imageFilter = MutableLiveData(VideoFilter())
         val imageFilter = ThrottledLiveData(_imageFilter, 500L)
@@ -113,22 +116,26 @@ class SlideshowViewModel
         init {
             addCloseable {
                 screensaverService.keepScreenOn(false)
+                if (this@SlideshowViewModel::player.isInitialized) {
                     player.removeListener(this@SlideshowViewModel)
                     player.release()
                 }
-            player.addListener(this@SlideshowViewModel)
+            }
             viewModelScope.launchIO {
-                val photoPrefs = userPreferencesService.getCurrent().appPreferences.photoPreferences
+                try {
+                    val appPreferences = userPreferencesService.getCurrent().appPreferences
+                    val playerCreation =
+                        playerFactory.createVideoPlayer(
+                            backend = PlayerBackend.EXO_PLAYER,
+                            appPreferences.playbackPreferences,
+                        )
+                    player = playerCreation.player
+                    player.addListener(this@SlideshowViewModel)
+
+                    val photoPrefs = appPreferences.photoPreferences
                     slideshowDelay =
                         photoPrefs.slideshowDuration.takeIf { it >= AppPreference.SlideshowDuration.min }
                             ?: AppPreference.SlideshowDuration.defaultValue
-//                val album =
-//                    api.userLibraryApi
-//                        .getItem(
-//                            itemId = slideshowSettings.parentId,
-//                        ).content
-//                        .let { BaseItem(it, false) }
-//                this@SlideshowViewModel.album.setValueOnMain(album)
                     val includeItemTypes =
                         if (photoPrefs.slideshowPlayVideos) {
                             listOf(BaseItemKind.PHOTO, BaseItemKind.VIDEO)
@@ -163,8 +170,13 @@ class SlideshowViewModel
                         ApiRequestPager(api, request, GetItemsRequestHandler, viewModelScope)
                             .init(slideshowSettings.index)
                     this@SlideshowViewModel._pager.setValueOnMain(pager)
+                    loading.update { LoadingState.Success }
                     updatePosition(slideshowSettings.index)?.join()
                     if (slideshowSettings.startSlideshow) onMain { startSlideshow() }
+                } catch (ex: Exception) {
+                    Timber.e(ex, "Error")
+                    loading.update { LoadingState.Error(ex) }
+                }
             }
         }