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App themes (#217)

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* Updated `.gitattributes` to correctly vendor all files within the `libmobi` and `woff2` directories.

* Improved TTS chapter transition handling

* Improved TTS stability and chapter advancement in the EPUB reader.

* Implemented PDF metadata extraction for titles and authors using PdfiumCore in `MainViewModel` and `MetadataExtractionWorker`.

* Implemented support for interactive footnotes in the EPUB vertical reader.

* Added support for footnotes in the paginated EPUB reader.

* Implemented a customizable app theming system.

* Added support for app-wide contrast and text brightness customization in the "App Theme" option.

* option to adjust pull-to-chapter-change drag in the EPUB vertical reader under visual options.

* Updated `PdfViewerScreen` to replace the standalone full-screen toggle with a more comprehensive "Visual Options" system UI management tool.
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Aryan 2026-04-21 18:11:55 +05:30 • committed by GitHub
parent 4cb25e6abd
commit 71e3614ad6
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19 changed files with 1413 additions and 287 deletions
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61
app/src/main/java/com/aryan/reader/epubreader/EpubReaderSettings.kt
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@ -248,6 +248,18 @@ fun loadPullToTurn(context: Context): Boolean {
return prefs.getBoolean(PULL_TO_TURN_ENABLED_KEY, true)
}
private const val PULL_TO_TURN_MULTIPLIER_KEY = "reader_pull_to_turn_multiplier"
fun savePullToTurnMultiplier(context: Context, multiplier: Float) {
val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
prefs.edit { putFloat(PULL_TO_TURN_MULTIPLIER_KEY, multiplier) }
}
fun loadPullToTurnMultiplier(context: Context): Float {
val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
return prefs.getFloat(PULL_TO_TURN_MULTIPLIER_KEY, 1.0f)
}
fun loadFormatSettings(context: Context, bookId: String, isLocal: Boolean): FormatSettings {
val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
@ -751,6 +763,8 @@ fun VisualOptionsSheet(
onPullToTurnChange: (Boolean) -> Unit,
removeEdgePadding: Boolean,
onRemoveEdgePaddingChange: (Boolean) -> Unit,
pullToTurnMultiplier: Float,
onPullToTurnMultiplierChange: (Float) -> Unit,
onDismiss: () -> Unit
) {
val sheetState = rememberModalBottomSheetState(skipPartiallyExpanded = true)
@ -807,21 +821,42 @@ fun VisualOptionsSheet(
Surface(
shape = RoundedCornerShape(12.dp),
color = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f),
modifier = Modifier
.fillMaxWidth()
.clickable { onPullToTurnChange(!pullToTurnEnabled) }
modifier = Modifier.fillMaxWidth()
) {
Row(
modifier = Modifier.padding(16.dp),
verticalAlignment = Alignment.CenterVertically,
horizontalArrangement = Arrangement.SpaceBetween
) {
Column(modifier = Modifier.weight(1f)) {
Text(stringResource(R.string.visual_options_seamless_chapter), style = MaterialTheme.typography.titleMedium)
Text(stringResource(R.string.visual_options_seamless_chapter_desc), style = MaterialTheme.typography.bodySmall, color = MaterialTheme.colorScheme.onSurfaceVariant)
Column {
Row(
modifier = Modifier
.fillMaxWidth()
.clickable { onPullToTurnChange(!pullToTurnEnabled) }
.padding(16.dp),
verticalAlignment = Alignment.CenterVertically,
horizontalArrangement = Arrangement.SpaceBetween
) {
Column(modifier = Modifier.weight(1f)) {
Text(stringResource(R.string.visual_options_seamless_chapter), style = MaterialTheme.typography.titleMedium)
Text(stringResource(R.string.visual_options_seamless_chapter_desc), style = MaterialTheme.typography.bodySmall, color = MaterialTheme.colorScheme.onSurfaceVariant)
}
Spacer(modifier = Modifier.width(16.dp))
Switch(checked = !pullToTurnEnabled, onCheckedChange = { onPullToTurnChange(!it) })
}
AnimatedVisibility(visible = pullToTurnEnabled) {
Column(modifier = Modifier.padding(start = 16.dp, end = 16.dp, bottom = 16.dp)) {
HorizontalDivider(modifier = Modifier.padding(bottom = 12.dp), color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.2f))
Text("Pull Distance to Change Chapter", style = MaterialTheme.typography.titleSmall)
Row(verticalAlignment = Alignment.CenterVertically) {
Text("Short", style = MaterialTheme.typography.labelSmall, color = MaterialTheme.colorScheme.onSurfaceVariant)
Slider(
value = pullToTurnMultiplier,
onValueChange = onPullToTurnMultiplierChange,
valueRange = 0.5f..2.0f,
steps = 14,
modifier = Modifier.weight(1f).padding(horizontal = 12.dp)
)
Text("Long", style = MaterialTheme.typography.labelSmall, color = MaterialTheme.colorScheme.onSurfaceVariant)
}
}
}
Spacer(modifier = Modifier.width(16.dp))
Switch(checked = !pullToTurnEnabled, onCheckedChange = { onPullToTurnChange(!it) })
}
}