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Auto scroll update (#20)

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* Added configurable min/max speed settings for auto-scroll in EPUB and PDF readers

* bump version to 1.0.33 (34)
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Aryan 2026-03-02 00:07:01 +05:30 • committed by GitHub
parent d6837aa4df
commit 34c6ec3fef
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GPG key ID: B5690EEEBB952194
4 changed files with 231 additions and 66 deletions
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59
app/src/main/java/com/aryan/reader/pdf/PdfViewerScreen.kt
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@ -288,6 +288,28 @@ private const val DOCK_OFFSET_Y_KEY = "dock_offset_y"
private const val PDF_AUTO_SCROLL_SPEED_KEY = "pdf_auto_scroll_speed"
private const val PDF_AUTO_SCROLL_LOCKED_KEY = "pdf_auto_scroll_locked"
private const val PDF_AUTO_SCROLL_USE_SLIDER_KEY = "pdf_auto_scroll_use_slider"
private const val PDF_AUTO_SCROLL_MIN_SPEED_KEY = "pdf_auto_scroll_min_speed"
private const val PDF_AUTO_SCROLL_MAX_SPEED_KEY = "pdf_auto_scroll_max_speed"
private fun savePdfAutoScrollMinSpeed(context: Context, speed: Float) {
val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
prefs.edit { putFloat(PDF_AUTO_SCROLL_MIN_SPEED_KEY, speed) }
}
private fun loadPdfAutoScrollMinSpeed(context: Context): Float {
val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
return prefs.getFloat(PDF_AUTO_SCROLL_MIN_SPEED_KEY, 0.1f)
}
private fun savePdfAutoScrollMaxSpeed(context: Context, speed: Float) {
val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
prefs.edit { putFloat(PDF_AUTO_SCROLL_MAX_SPEED_KEY, speed) }
}
private fun loadPdfAutoScrollMaxSpeed(context: Context): Float {
val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
return prefs.getFloat(PDF_AUTO_SCROLL_MAX_SPEED_KEY, 10.0f)
}
private fun savePdfAutoScrollLocked(context: Context, isLocked: Boolean) {
val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
@ -630,6 +652,8 @@ fun PdfViewerScreen(
var isAutoScrollTempPaused by remember { mutableStateOf(false) }
val autoScrollResumeJob = remember { mutableStateOf<Job?>(null) }
var autoScrollSpeed by remember { mutableFloatStateOf(loadPdfAutoScrollSpeed(context)) }
var autoScrollMinSpeed by remember { mutableFloatStateOf(loadPdfAutoScrollMinSpeed(context)) }
var autoScrollMaxSpeed by remember { mutableFloatStateOf(loadPdfAutoScrollMaxSpeed(context)) }
var isAutoScrollCollapsed by remember { mutableStateOf(false) }
var isAutoScrollLocked by remember { mutableStateOf(loadPdfAutoScrollLocked(context)) }
@ -3650,7 +3674,7 @@ fun PdfViewerScreen(
},
isAutoScrollPlaying = isAutoScrollPlaying,
isAutoScrollTempPaused = isAutoScrollTempPaused,
autoScrollSpeed = autoScrollSpeed,
autoScrollSpeed = autoScrollSpeed * 0.5f,
onInteractionListener = onAutoScrollInteraction
)
}
@ -5569,11 +5593,42 @@ fun PdfViewerScreen(
isTempPaused = isAutoScrollTempPaused,
onPlayPauseToggle = { isAutoScrollPlaying = !isAutoScrollPlaying },
speed = autoScrollSpeed,
maxSpeed = 20f,
minSpeed = autoScrollMinSpeed,
maxSpeed = autoScrollMaxSpeed,
onSpeedChange = {
autoScrollSpeed = it
savePdfAutoScrollSpeed(context, it)
},
onMinSpeedChange = { newMin ->
autoScrollMinSpeed = newMin
savePdfAutoScrollMinSpeed(context, newMin)
if (autoScrollMaxSpeed < newMin) {
autoScrollMaxSpeed = newMin
savePdfAutoScrollMaxSpeed(context, newMin)
}
if (autoScrollSpeed < newMin) {
autoScrollSpeed = newMin
savePdfAutoScrollSpeed(context, newMin)
} else if (autoScrollSpeed > autoScrollMaxSpeed) {
autoScrollSpeed = autoScrollMaxSpeed
savePdfAutoScrollSpeed(context, autoScrollMaxSpeed)
}
},
onMaxSpeedChange = { newMax ->
autoScrollMaxSpeed = newMax
savePdfAutoScrollMaxSpeed(context, newMax)
if (autoScrollMinSpeed > newMax) {
autoScrollMinSpeed = newMax
savePdfAutoScrollMinSpeed(context, newMax)
}
if (autoScrollSpeed > newMax) {
autoScrollSpeed = newMax
savePdfAutoScrollSpeed(context, newMax)
} else if (autoScrollSpeed < autoScrollMinSpeed) {
autoScrollSpeed = autoScrollMinSpeed
savePdfAutoScrollSpeed(context, autoScrollMinSpeed)
}
},
onClose = {
isAutoScrollModeActive = false
isAutoScrollPlaying = false