[Jetcaster] Add functionality to change the speed of the player (#1348)

So that the player speed can be changed on Wear.
android · Apr 18, 2024 · 78f5df9 · 78f5df9
2 parents 4a736b7 + 6ed8dfa
commit 78f5df9
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Showing 3 changed files with 25 additions and 2 deletions.
diff --git a/Jetcaster/core/src/main/java/com/example/jetcaster/core/player/EpisodePlayer.kt b/Jetcaster/core/src/main/java/com/example/jetcaster/core/player/EpisodePlayer.kt
@@ -43,6 +43,11 @@ interface EpisodePlayer {
      */
     var currentEpisode: PlayerEpisode?
 
+    /**
+     * The speed of which the player increments
+     */
+    var playerSpeed: Duration
+
     fun addToQueue(episode: PlayerEpisode)
 
     /**

diff --git a/Jetcaster/core/src/main/java/com/example/jetcaster/core/player/MockEpisodePlayer.kt b/Jetcaster/core/src/main/java/com/example/jetcaster/core/player/MockEpisodePlayer.kt
@@ -69,6 +69,8 @@ class MockEpisodePlayer(
         }
     }
 
+    override var playerSpeed: Duration = Duration.ofSeconds(1)
+
     override val playerState: StateFlow<EpisodePlayerState> = _playerState.asStateFlow()
 
     override var currentEpisode: PlayerEpisode? by _currentEpisode
@@ -90,8 +92,8 @@ class MockEpisodePlayer(
         timerJob = coroutineScope.launch {
             // Increment timer by a second
             while (isActive && timeElapsed.value < episode.duration) {
-                delay(1000L)
-                timeElapsed.update { it + Duration.ofSeconds(1) }
+                delay(playerSpeed.toMillis())
+                timeElapsed.update { it + playerSpeed }
             }
 
             // Once done playing, see if

diff --git a/Jetcaster/core/src/test/kotlin/com/example/jetcaster/core/player/MockEpisodePlayerTest.kt b/Jetcaster/core/src/test/kotlin/com/example/jetcaster/core/player/MockEpisodePlayerTest.kt
@@ -47,6 +47,22 @@ class MockEpisodePlayerTest {
         ),
     )
 
+    @Test
+    fun whenPlay_incrementsByPlaySpeed() = runTest(testDispatcher) {
+        val playSpeed = Duration.ofSeconds(2)
+        val currEpisode = PlayerEpisode(
+            uri = "currentEpisode",
+            duration = Duration.ofSeconds(60)
+        )
+        mockEpisodePlayer.currentEpisode = currEpisode
+        mockEpisodePlayer.playerSpeed = playSpeed
+
+        mockEpisodePlayer.play()
+        advanceTimeBy(playSpeed.toMillis() + 300)
+
+        assertEquals(playSpeed, mockEpisodePlayer.playerState.value.timeElapsed)
+    }
+
     @Test
     fun whenPlayDone_playerAutoPlaysNextEpisode() = runTest(testDispatcher) {
         val duration = Duration.ofSeconds(60)