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

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Merged
merged 4 commits into from
Apr 18, 2024
Merged

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

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a8fc985
[Jetcaster] Add functionality to change the speed of the player.:
arriolac Apr 17, 2024
9d9b0b6
🤖 Apply Spotless
arriolac Apr 17, 2024
fbe75e2
Change player speed to var.
arriolac Apr 18, 2024
6ed8dfa
🤖 Apply Spotless
arriolac Apr 18, 2024
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5 changes: 5 additions & 0 deletions Jetcaster/core/src/main/java/com/example/jetcaster/core/player/EpisodePlayer.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -85,4 +85,9 @@ interface EpisodePlayer {
* Rewinds a currently played episode by a given time interval specified in [duration].
*/
fun rewindBy(duration: Duration)

/**
* Changes the speed of which the player increments
*/
fun changePlaySpeed(duration: Duration)
}
9 changes: 7 additions & 2 deletions Jetcaster/core/src/main/java/com/example/jetcaster/core/player/MockEpisodePlayer.kt
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Expand Up @@ -44,6 +44,7 @@ class MockEpisodePlayer(
private val coroutineScope = CoroutineScope(mainDispatcher)

private var timerJob: Job? = null
private var playerSpeed: Duration = Duration.ofSeconds(1)

init {
coroutineScope.launch {
Expand Down Expand Up @@ -90,8 +91,8 @@ 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
Expand Down Expand Up @@ -157,6 +158,10 @@ class MockEpisodePlayer(
}
}

override fun changePlaySpeed(duration: Duration) {
playerSpeed = duration
}

override fun next() {
val q = queue.value
if (q.isEmpty()) {
Expand Down
16 changes: 16 additions & 0 deletions Jetcaster/core/src/test/kotlin/com/example/jetcaster/core/player/MockEpisodePlayerTest.kt
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Expand Up @@ -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.changePlaySpeed(playSpeed)

mockEpisodePlayer.play()
advanceTimeBy(playSpeed.toMillis() + 300)

assertEquals(playSpeed, mockEpisodePlayer.playerState.value.timeElapsed)
}

@Test
fun whenPlayDone_playerAutoPlaysNextEpisode() = runTest(testDispatcher) {
val duration = Duration.ofSeconds(60)
Expand Down