Jetcaster UI updates

Jetcaster/core/data-testing/src/main/java/com/example/jetcaster/core/data/testing/repository/TestEpisodeStore.kt

@@ -75,6 +75,11 @@ class TestEpisodeStore : EpisodeStore {
             it + episodes
         }
 
+    override suspend fun deleteEpisode(episode: Episode) =
+        episodesFlow.update {
+            it - episode
+        }
+
     override suspend fun isEmpty(): Boolean =
         episodesFlow.first().isEmpty()
 }

Jetcaster/core/data/src/main/java/com/example/jetcaster/core/data/repository/EpisodeStore.kt

@@ -57,6 +57,11 @@ interface EpisodeStore {
      */
     suspend fun addEpisodes(episodes: Collection<Episode>)
 
+    /**
+     * Deletes an [Episode] from this store.
+     */
+    suspend fun deleteEpisode(episode: Episode)
+
     suspend fun isEmpty(): Boolean
 }
 
@@ -86,6 +91,7 @@ class LocalEpisodeStore(
     ): Flow<List<EpisodeToPodcast>> {
         return episodesDao.episodesForPodcastUri(podcastUri, limit)
     }
+
     /**
      * Returns a list of episodes for the given podcast URIs ordering by most recently published
      * to least recently published.
@@ -104,5 +110,12 @@ class LocalEpisodeStore(
     override suspend fun addEpisodes(episodes: Collection<Episode>) =
         episodesDao.insertAll(episodes)
 
+    /**
+     * Deletes an [Episode] from this store.
+     */
+    override suspend fun deleteEpisode(episode: Episode) {
+        episodesDao.delete(episode)
+    }
+
     override suspend fun isEmpty(): Boolean = episodesDao.count() == 0
 }

Jetcaster/core/designsystem/src/main/java/com/example/jetcaster/designsystem/component/PodcastImage.kt

@@ -43,6 +43,8 @@ fun PodcastImage(
     podcastImageUrl: String,
     contentDescription: String?,
     modifier: Modifier = Modifier,
+    // TODO: Remove the nested component modifier when shared elements are applied to entire app
+    imageModifier: Modifier = Modifier,
     contentScale: ContentScale = ContentScale.Crop,
     placeholderBrush: Brush = thumbnailPlaceholderDefaultBrush(),
 ) {
@@ -80,7 +82,7 @@ fun PodcastImage(
             }
             else -> {
                 Box(
-                    modifier = Modifier
+                    modifier = modifier
                         .background(placeholderBrush)
                         .fillMaxSize()
 
@@ -92,7 +94,7 @@ fun PodcastImage(
             painter = imageLoader,
             contentDescription = contentDescription,
             contentScale = contentScale,
-            modifier = modifier,
+            modifier = modifier.then(imageModifier)
         )
     }
 }

Jetcaster/core/domain/src/main/java/com/example/jetcaster/core/model/EpisodeInfo.kt

@@ -25,6 +25,7 @@ import java.time.OffsetDateTime
  */
 data class EpisodeInfo(
     val uri: String = "",
+    val podcastUri: String = "",
     val title: String = "",
     val subTitle: String = "",
     val summary: String = "",
@@ -36,10 +37,23 @@ data class EpisodeInfo(
 fun Episode.asExternalModel(): EpisodeInfo =
     EpisodeInfo(
         uri = uri,
+        podcastUri = podcastUri,
         title = title,
         subTitle = subtitle ?: "",
         summary = summary ?: "",
         author = author ?: "",
         published = published,
         duration = duration,
     )
+
+fun EpisodeInfo.asDaoModel(): Episode =
+    Episode(
+        uri = uri,
+        title = title,
+        subtitle = subTitle,
+        summary = summary,
+        author = author,
+        published = published,
+        duration = duration,
+        podcastUri = podcastUri
+    )

Jetcaster/mobile/src/main/java/com/example/jetcaster/ui/JetcasterApp.kt

@@ -14,14 +14,21 @@
  * limitations under the License.
  */
 
+@file:OptIn(ExperimentalSharedTransitionApi::class)
+
 package com.example.jetcaster.ui
 
+import androidx.compose.animation.AnimatedVisibilityScope
+import androidx.compose.animation.ExperimentalSharedTransitionApi
+import androidx.compose.animation.SharedTransitionLayout
+import androidx.compose.animation.SharedTransitionScope
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
-import androidx.compose.material3.adaptive.ExperimentalMaterial3AdaptiveApi
 import androidx.compose.material3.adaptive.currentWindowAdaptiveInfo
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.compositionLocalOf
 import androidx.compose.ui.res.stringResource
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
@@ -30,32 +37,46 @@ import com.example.jetcaster.R
 import com.example.jetcaster.ui.home.MainScreen
 import com.example.jetcaster.ui.player.PlayerScreen
 
-@OptIn(ExperimentalMaterial3AdaptiveApi::class)
+@OptIn(ExperimentalSharedTransitionApi::class)
 @Composable
 fun JetcasterApp(
     displayFeatures: List<DisplayFeature>,
     appState: JetcasterAppState = rememberJetcasterAppState()
 ) {
     val adaptiveInfo = currentWindowAdaptiveInfo()
     if (appState.isOnline) {
-        NavHost(
-            navController = appState.navController,
-            startDestination = Screen.Home.route
-        ) {
-            composable(Screen.Home.route) { backStackEntry ->
-                MainScreen(
-                    windowSizeClass = adaptiveInfo.windowSizeClass,
-                    navigateToPlayer = { episode ->
-                        appState.navigateToPlayer(episode.uri, backStackEntry)
+        SharedTransitionLayout {
+            CompositionLocalProvider(
+                LocalSharedTransitionScope provides this
+            ) {
+                NavHost(
+                    navController = appState.navController,
+                    startDestination = Screen.Home.route
+                ) {
+                    composable(Screen.Home.route) { backStackEntry ->
+                        CompositionLocalProvider(
+                            LocalAnimatedVisibilityScope provides this
+                        ) {
+                            MainScreen(
+                                windowSizeClass = adaptiveInfo.windowSizeClass,
+                                navigateToPlayer = { episode ->
+                                    appState.navigateToPlayer(episode.uri, backStackEntry)
+                                },
+                            )
+                        }
                     }
-                )
-            }
-            composable(Screen.Player.route) {
-                PlayerScreen(
-                    windowSizeClass = adaptiveInfo.windowSizeClass,
-                    displayFeatures = displayFeatures,
-                    onBackPress = appState::navigateBack
-                )
+                    composable(Screen.Player.route) {
+                        CompositionLocalProvider(
+                            LocalAnimatedVisibilityScope provides this
+                        ) {
+                            PlayerScreen(
+                                windowSizeClass = adaptiveInfo.windowSizeClass,
+                                displayFeatures = displayFeatures,
+                                onBackPress = appState::navigateBack,
+                            )
+                        }
+                    }
+                }
             }
         }
     } else {
@@ -76,3 +97,6 @@ fun OfflineDialog(onRetry: () -> Unit) {
         }
     )
 }
+
+val LocalAnimatedVisibilityScope = compositionLocalOf<AnimatedVisibilityScope?> { null }
+val LocalSharedTransitionScope = compositionLocalOf<SharedTransitionScope?> { null }

Jetcaster/mobile/src/main/java/com/example/jetcaster/ui/home/Home.kt

@@ -14,12 +14,9 @@
  * limitations under the License.
  */
 
-@file:OptIn(ExperimentalFoundationApi::class)
-
 package com.example.jetcaster.ui.home
 
 import androidx.activity.compose.BackHandler
-import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
@@ -148,6 +145,7 @@ data class HomeState(
     val navigateToPlayer: (EpisodeInfo) -> Unit,
     val onTogglePodcastFollowed: (PodcastInfo) -> Unit,
     val onLibraryPodcastSelected: (PodcastInfo?) -> Unit,
+    val removeFromQueue: (EpisodeInfo) -> Unit = {},
     val onQueueEpisode: (PlayerEpisode) -> Unit,
 )
 
@@ -317,7 +315,8 @@ private fun HomeScreenReady(
         navigateToPlayer = navigateToPlayer,
         onTogglePodcastFollowed = viewModel::onTogglePodcastFollowed,
         onLibraryPodcastSelected = viewModel::onLibraryPodcastSelected,
-        onQueueEpisode = viewModel::onQueueEpisode
+        onQueueEpisode = viewModel::onQueueEpisode,
+        removeFromQueue = viewModel::deleteEpisode
     )
 
     Surface {
@@ -481,7 +480,8 @@ private fun HomeScreen(
                         snackbarHostState.showSnackbar(snackBarText)
                     }
                     homeState.onQueueEpisode(it)
-                }
+                },
+                removeFromQueue = homeState.removeFromQueue
             )
         }
     }
@@ -505,6 +505,7 @@ private fun HomeContent(
     onTogglePodcastFollowed: (PodcastInfo) -> Unit,
     onLibraryPodcastSelected: (PodcastInfo?) -> Unit,
     onQueueEpisode: (PlayerEpisode) -> Unit,
+    removeFromQueue: (EpisodeInfo) -> Unit,
 ) {
     val pagerState = rememberPagerState { featuredPodcasts.size }
     LaunchedEffect(pagerState, featuredPodcasts) {
@@ -532,6 +533,7 @@ private fun HomeContent(
         navigateToPlayer = navigateToPlayer,
         onTogglePodcastFollowed = onTogglePodcastFollowed,
         onQueueEpisode = onQueueEpisode,
+        removeFromQueue = removeFromQueue,
     )
 }
 
@@ -553,6 +555,7 @@ private fun HomeContentGrid(
     navigateToPlayer: (EpisodeInfo) -> Unit,
     onTogglePodcastFollowed: (PodcastInfo) -> Unit,
     onQueueEpisode: (PlayerEpisode) -> Unit,
+    removeFromQueue: (EpisodeInfo) -> Unit,
 ) {
     LazyVerticalGrid(
         columns = GridCells.Adaptive(362.dp),
@@ -590,7 +593,8 @@ private fun HomeContentGrid(
                 libraryItems(
                     library = library,
                     navigateToPlayer = navigateToPlayer,
-                    onQueueEpisode = onQueueEpisode
+                    onQueueEpisode = onQueueEpisode,
+                    removeFromQueue = removeFromQueue,
                 )
             }
 
@@ -602,7 +606,8 @@ private fun HomeContentGrid(
                     navigateToPlayer = navigateToPlayer,
                     onCategorySelected = onCategorySelected,
                     onTogglePodcastFollowed = onTogglePodcastFollowed,
-                    onQueueEpisode = onQueueEpisode
+                    onQueueEpisode = onQueueEpisode,
+                    removeFromQueue = removeFromQueue,
                 )
             }
         }
@@ -625,7 +630,7 @@ private fun FollowedPodcastItem(
             items = items,
             onPodcastUnfollowed = onPodcastUnfollowed,
             navigateToPodcastDetails = navigateToPodcastDetails,
-            modifier = Modifier.fillMaxWidth()
+            modifier = Modifier.fillMaxWidth(),
         )
 
         Spacer(Modifier.height(16.dp))

Jetcaster/mobile/src/main/java/com/example/jetcaster/ui/home/HomeViewModel.kt

@@ -26,10 +26,12 @@ import com.example.jetcaster.core.data.repository.PodcastsRepository
 import com.example.jetcaster.core.domain.FilterableCategoriesUseCase
 import com.example.jetcaster.core.domain.PodcastCategoryFilterUseCase
 import com.example.jetcaster.core.model.CategoryInfo
+import com.example.jetcaster.core.model.EpisodeInfo
 import com.example.jetcaster.core.model.FilterableCategoriesModel
 import com.example.jetcaster.core.model.LibraryInfo
 import com.example.jetcaster.core.model.PodcastCategoryFilterResult
 import com.example.jetcaster.core.model.PodcastInfo
+import com.example.jetcaster.core.model.asDaoModel
 import com.example.jetcaster.core.model.asExternalModel
 import com.example.jetcaster.core.model.asPodcastToEpisodeInfo
 import com.example.jetcaster.core.player.EpisodePlayer
@@ -176,6 +178,12 @@ class HomeViewModel @Inject constructor(
     fun onQueueEpisode(episode: PlayerEpisode) {
         episodePlayer.addToQueue(episode)
     }
+
+    fun deleteEpisode(episode: EpisodeInfo) {
+        viewModelScope.launch {
+            episodeStore.deleteEpisode(episode.asDaoModel())
+        }
+    }
 }
 
 private fun List<EpisodeToPodcast>.asLibrary(): LibraryInfo =