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Tts upgrade (#25)

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* enable cloud tts but only in pro(flavor) debug mode for testing

* Added a device voice settings sheet to allow users to select and preview system-level TTS voices.

* Refactored `DeviceVoiceSettingsSheet` to improve voice selection and filtering, and updated `BaseTtsSynthesizer` for better language handling.
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Aryan 2026-03-04 10:16:32 +05:30 • committed by GitHub
parent 1ce353ad44
commit 3dc1843801
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GPG key ID: B5690EEEBB952194
10 changed files with 869 additions and 150 deletions
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29
app/src/main/java/com/aryan/reader/epubreader/EpubReaderTts.kt
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@ -45,7 +45,6 @@ import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
import java.io.File
const val TAG_TTS_DIAGNOSIS = "TTS_DIAGNOSIS"
private const val TTS_MODE_KEY = "tts_mode"
data class TtsHighlightInfo(
@ -61,13 +60,6 @@ fun saveTtsMode(context: Context, mode: TtsMode) {
prefs.edit { putString(TTS_MODE_KEY, mode.name) }
}
@Suppress("unused")
@OptIn(UnstableApi::class)
fun loadTtsMode(): TtsMode {
// For this release, Cloud TTS is disabled. Force BASE mode.
return TtsMode.BASE
}
/**
* Helper to update the WebView auto-scroll state.
*/
@ -121,20 +113,20 @@ fun TtsSessionObserver(
onNavigateToChapter: (Int) -> Unit,
onToggleTtsStartOnLoad: (Boolean) -> Unit,
userStoppedTts: Boolean,
scope: CoroutineScope
scope: CoroutineScope,
currentTtsMode: TtsMode
) {
val prevTtsState = remember { mutableStateOf(ttsState) }
LaunchedEffect(ttsState) {
val wasPlaying = prevTtsState.value.isPlaying
val isPlaying = ttsState.isPlaying
val isChangingConfig = ttsState.isChangingConfig
val sessionFinished = ttsState.sessionFinished
val wasSessionFinished = prevTtsState.value.sessionFinished
val sessionEndedByStop = ttsState.sessionEndedByStop
val isReaderSource = ttsState.playbackSource == "READER"
if (!isChangingConfig && isReaderSource) {
if (isReaderSource) {
if (sessionFinished && !wasSessionFinished) {
Timber.d("TTS finished naturally. Checking for next content.")
@ -161,7 +153,8 @@ fun TtsSessionObserver(
epubBookTitle = epubBookTitle,
coverImagePath = coverImagePath,
onUpdateTtsChapter = onTtsChapterIndexChange,
scope = scope
scope = scope,
ttsMode = currentTtsMode
)
}
} else if (wasPlaying && !isPlaying && !sessionFinished) {
@ -271,14 +264,14 @@ private fun handlePaginatedAutoAdvance(
epubBookTitle: String,
coverImagePath: String?,
onUpdateTtsChapter: (Int?) -> Unit,
scope: CoroutineScope
scope: CoroutineScope,
ttsMode: TtsMode
) {
val lastPlayedChapter = currentTtsChapterIndex
if (lastPlayedChapter != null && lastPlayedChapter < chapters.size - 1) {
if (currentTtsChapterIndex != null && currentTtsChapterIndex < chapters.size - 1) {
Timber.d("Paginated: Searching for next TTS content...")
scope.launch {
var chapterToTry = lastPlayedChapter + 1
var chapterToTry = currentTtsChapterIndex + 1
var foundContent = false
val bookPaginator = paginator as? BookPaginator
@ -288,7 +281,6 @@ private fun handlePaginatedAutoAdvance(
}
while (chapterToTry < chapters.size) {
// Visually scroll to start of chapter
val targetPage = bookPaginator.chapterStartPageIndices[chapterToTry]
if (targetPage != null && pagerState.currentPage != targetPage) {
pagerState.animateScrollToPage(targetPage)
@ -309,13 +301,12 @@ private fun handlePaginatedAutoAdvance(
bookTitle = epubBookTitle,
chapterTitle = chapterTitle,
coverImageUri = coverUriString,
ttsMode = "BASE" // Defaulting to Base for safety
ttsMode = ttsMode
)
foundContent = true
break
} else {
Timber.d("Paginated: Chapter $chapterToTry is empty. Skipping.")
// Visually flip through empty pages if needed
val pageCount = bookPaginator.chapterPageCounts[chapterToTry] ?: 0
if (pageCount > 1) {
for (i in 1 until pageCount) {