feature: add auto-pause playback feature

data/preferences/src/commonMain/kotlin/bzh/ajaury/chombev/preferences/data/InMemoryPreferencesRepository.kt

@@ -43,4 +43,8 @@ internal class InMemoryPreferencesRepository : PreferencesRepository {
     override suspend fun setBreakBetweenPhrases(duration: Duration) {
         playbackState.update { it.copy(breakBetweenPhrases = duration) }
     }
+
+    override suspend fun setAutoPause(enabled: Boolean) {
+        playbackState.update { it.copy(autoPause = enabled) }
+    }
 }

data/preferences/src/commonMain/kotlin/bzh/ajaury/chombev/preferences/domain/PreferencesRepository.kt

@@ -21,4 +21,6 @@ interface PreferencesRepository {
     suspend fun setPlaybackSpeed(speed: Float)
 
     suspend fun setBreakBetweenPhrases(duration: Duration)
+
+    suspend fun setAutoPause(enabled: Boolean)
 }

data/preferences/src/commonMain/kotlin/bzh/ajaury/chombev/preferences/model/PlaybackPreferences.kt

@@ -10,10 +10,13 @@ import kotlin.time.Duration.Companion.seconds
  * [SPEED_STEP] increments. [DEFAULT_SPEED] is the normal, unaltered speed.
  * @property breakBetweenPhrases silent pause inserted when moving from one phrase to the next,
  * between [DEFAULT_BREAK_BETWEEN_PHRASES] and [MAX_BREAK_BETWEEN_PHRASES] in [BREAK_STEP] steps.
+ * @property autoPause when enabled, playback stops at the end of every phrase and waits for the
+ * user to resume. This takes precedence over [breakBetweenPhrases], which is then ignored.
  */
 data class PlaybackPreferences(
     val speed: Float = DEFAULT_SPEED,
     val breakBetweenPhrases: Duration = DEFAULT_BREAK_BETWEEN_PHRASES,
+    val autoPause: Boolean = DEFAULT_AUTO_PAUSE,
 ) {
     companion object {
         const val DEFAULT_SPEED = 1f
@@ -24,5 +27,7 @@ data class PlaybackPreferences(
         val DEFAULT_BREAK_BETWEEN_PHRASES: Duration = Duration.ZERO
         val MAX_BREAK_BETWEEN_PHRASES: Duration = 5.seconds
         val BREAK_STEP: Duration = 1.seconds
+
+        const val DEFAULT_AUTO_PAUSE = false
     }
 }

data/preferences/src/dataStoreMain/kotlin/bzh/ajaury/chombev/preferences/data/DataStorePreferencesRepository.kt

@@ -44,6 +44,8 @@ internal class DataStorePreferencesRepository(
     override suspend fun setBreakBetweenPhrases(duration: Duration) =
         edit { it[BreakBetweenPhrasesSecondsKey] = duration.inWholeSeconds.toInt() }
 
+    override suspend fun setAutoPause(enabled: Boolean) = edit { it[AutoPauseKey] = enabled }
+
     private suspend fun edit(transform: (MutablePreferences) -> Unit) {
         dataStore.edit(transform)
     }
@@ -63,6 +65,7 @@ internal class DataStorePreferencesRepository(
             speed = this[PlaybackSpeedKey] ?: PlaybackPreferences.DEFAULT_SPEED,
             breakBetweenPhrases = this[BreakBetweenPhrasesSecondsKey]?.seconds
                 ?: PlaybackPreferences.DEFAULT_BREAK_BETWEEN_PHRASES,
+            autoPause = this[AutoPauseKey] ?: PlaybackPreferences.DEFAULT_AUTO_PAUSE,
         )
 
     private companion object {
@@ -72,5 +75,6 @@ internal class DataStorePreferencesRepository(
         val ShowPhoneticMarkersKey = booleanPreferencesKey("show_phonetic_marker")
         val PlaybackSpeedKey = floatPreferencesKey("playback_speed")
         val BreakBetweenPhrasesSecondsKey = intPreferencesKey("break_between_phrases_seconds")
+        val AutoPauseKey = booleanPreferencesKey("auto_pause")
     }
 }