phase 0: fork Episteme, rename package to org.dueattendant149.bookreader
- Cloned from Aryan-Raj3112/episteme (AGPL-3.0) - Package: com.aryan.reader → org.dueattendant149.bookreader - Application ID: org.dueattendant149.bookreader - Added AGENTS.md with migration plan - Upstream: github.com/Aryan-Raj3112/episteme - Origin: git.dueattendant149.org/Atte149/book-reader
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Atte149
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631 changed files with 3082 additions and 3006 deletions
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package org.dueattendant149.bookreader
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import android.content.Context
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import android.view.Window
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import android.view.WindowManager
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.size
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.filled.Add
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import androidx.compose.material.icons.filled.Remove
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import androidx.compose.material3.ExperimentalMaterial3Api
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import androidx.compose.material3.HorizontalDivider
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import androidx.compose.material3.Icon
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import androidx.compose.material3.IconButton
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.ModalBottomSheet
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import androidx.compose.material3.Switch
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import androidx.compose.material3.Text
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import androidx.compose.material3.TextButton
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import androidx.compose.material3.rememberModalBottomSheetState
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.DisposableEffect
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.text.font.FontWeight
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import androidx.compose.ui.unit.dp
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import androidx.core.content.edit
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import org.dueattendant149.bookreader.shared.ui.ReaderMinimalSlider
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import kotlin.math.roundToInt
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private const val READER_PREFS_NAME = "reader_prefs"
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private const val PREF_READER_BRIGHTNESS_USE_SYSTEM = "reader_brightness_use_system"
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private const val PREF_READER_BRIGHTNESS_VALUE = "reader_brightness_value"
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private const val DEFAULT_CUSTOM_BRIGHTNESS = 0.75f
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private const val MIN_CUSTOM_BRIGHTNESS_PERCENT = 1
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private const val MAX_CUSTOM_BRIGHTNESS_PERCENT = 100
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private const val CUSTOM_BRIGHTNESS_STEP_PERCENT = 1
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private const val MIN_CUSTOM_BRIGHTNESS = 0.01f
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data class ReaderBrightnessSettings(
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val useSystemBrightness: Boolean = true,
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val customBrightness: Float = DEFAULT_CUSTOM_BRIGHTNESS
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) {
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val safeCustomBrightness: Float
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get() = normalizeReaderBrightness(customBrightness)
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}
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internal fun normalizeReaderBrightness(brightness: Float): Float {
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val percent = (brightness * 100f).roundToInt()
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.coerceIn(MIN_CUSTOM_BRIGHTNESS_PERCENT, MAX_CUSTOM_BRIGHTNESS_PERCENT)
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return percent / 100f
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}
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internal fun stepReaderBrightness(brightness: Float, percentDelta: Int): Float {
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val currentPercent = (normalizeReaderBrightness(brightness) * 100f).roundToInt()
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val nextPercent = (currentPercent + percentDelta)
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.coerceIn(MIN_CUSTOM_BRIGHTNESS_PERCENT, MAX_CUSTOM_BRIGHTNESS_PERCENT)
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return nextPercent / 100f
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}
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fun loadReaderBrightnessSettings(context: Context): ReaderBrightnessSettings {
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val prefs = context.getSharedPreferences(READER_PREFS_NAME, Context.MODE_PRIVATE)
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return ReaderBrightnessSettings(
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useSystemBrightness = prefs.getBoolean(PREF_READER_BRIGHTNESS_USE_SYSTEM, true),
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customBrightness = prefs.getFloat(PREF_READER_BRIGHTNESS_VALUE, DEFAULT_CUSTOM_BRIGHTNESS)
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.let(::normalizeReaderBrightness)
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)
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}
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fun saveReaderBrightnessSettings(context: Context, settings: ReaderBrightnessSettings) {
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context.getSharedPreferences(READER_PREFS_NAME, Context.MODE_PRIVATE).edit {
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putBoolean(PREF_READER_BRIGHTNESS_USE_SYSTEM, settings.useSystemBrightness)
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putFloat(PREF_READER_BRIGHTNESS_VALUE, settings.safeCustomBrightness)
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}
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}
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@Composable
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fun ReaderBrightnessEffect(
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window: Window?,
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settings: ReaderBrightnessSettings
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) {
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DisposableEffect(window) {
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val originalBrightness = window?.attributes?.screenBrightness
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?: WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE
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onDispose {
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window?.setReaderBrightness(originalBrightness)
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}
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}
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LaunchedEffect(window, settings) {
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val brightness = if (settings.useSystemBrightness) {
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WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE
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} else {
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settings.safeCustomBrightness
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}
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window?.setReaderBrightness(brightness)
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}
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}
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@OptIn(ExperimentalMaterial3Api::class)
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@Composable
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fun ReaderBrightnessSheet(
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settings: ReaderBrightnessSettings,
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onSettingsChange: (ReaderBrightnessSettings) -> Unit,
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onDismiss: () -> Unit
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) {
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val sheetState = rememberModalBottomSheetState(skipPartiallyExpanded = true)
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ModalBottomSheet(
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onDismissRequest = onDismiss,
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sheetState = sheetState
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) {
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Column(
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modifier = Modifier
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.fillMaxWidth()
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.padding(horizontal = 24.dp, vertical = 8.dp)
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.padding(bottom = 32.dp),
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verticalArrangement = Arrangement.spacedBy(16.dp)
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) {
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Row(
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modifier = Modifier.fillMaxWidth(),
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verticalAlignment = Alignment.CenterVertically,
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horizontalArrangement = Arrangement.SpaceBetween
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) {
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Text(
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text = stringResource(R.string.reader_brightness_title),
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style = MaterialTheme.typography.titleLarge,
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fontWeight = FontWeight.Bold
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)
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TextButton(onClick = onDismiss) {
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Text(stringResource(R.string.action_done))
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}
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}
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HorizontalDivider()
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Row(
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modifier = Modifier.fillMaxWidth(),
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verticalAlignment = Alignment.CenterVertically,
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horizontalArrangement = Arrangement.SpaceBetween
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) {
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Column(modifier = Modifier.weight(1f)) {
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Text(
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text = stringResource(R.string.reader_brightness_system),
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style = MaterialTheme.typography.titleMedium
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)
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Text(
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text = stringResource(R.string.reader_brightness_system_desc),
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style = MaterialTheme.typography.bodySmall,
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color = MaterialTheme.colorScheme.onSurfaceVariant
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)
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}
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Switch(
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checked = settings.useSystemBrightness,
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onCheckedChange = { useSystem ->
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onSettingsChange(settings.copy(useSystemBrightness = useSystem))
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}
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)
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}
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Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
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Row(
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modifier = Modifier.fillMaxWidth(),
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verticalAlignment = Alignment.CenterVertically,
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horizontalArrangement = Arrangement.SpaceBetween
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) {
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Text(
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text = stringResource(R.string.reader_brightness_custom),
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style = MaterialTheme.typography.titleMedium
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)
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Text(
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text = stringResource(
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R.string.reader_brightness_percent,
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(settings.safeCustomBrightness * 100f).roundToInt()
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),
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style = MaterialTheme.typography.labelLarge,
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color = MaterialTheme.colorScheme.primary
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)
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}
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ReaderBrightnessControl(
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settings = settings,
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onSettingsChange = onSettingsChange
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)
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Text(
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text = stringResource(R.string.reader_brightness_custom_desc),
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style = MaterialTheme.typography.bodySmall,
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color = MaterialTheme.colorScheme.onSurfaceVariant
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)
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}
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Spacer(Modifier.height(4.dp))
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}
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}
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}
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@Composable
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private fun ReaderBrightnessControl(
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settings: ReaderBrightnessSettings,
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onSettingsChange: (ReaderBrightnessSettings) -> Unit
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) {
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val brightness = settings.safeCustomBrightness
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val canDecrease = brightness > MIN_CUSTOM_BRIGHTNESS
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val canIncrease = brightness < 1f
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fun updateBrightness(value: Float) {
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onSettingsChange(
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settings.copy(
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useSystemBrightness = false,
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customBrightness = normalizeReaderBrightness(value)
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)
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)
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}
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Row(
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modifier = Modifier.fillMaxWidth(),
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verticalAlignment = Alignment.CenterVertically,
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horizontalArrangement = Arrangement.spacedBy(12.dp)
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) {
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IconButton(
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onClick = {
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updateBrightness(stepReaderBrightness(brightness, -CUSTOM_BRIGHTNESS_STEP_PERCENT))
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},
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enabled = canDecrease,
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modifier = Modifier.size(36.dp)
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) {
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Icon(
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imageVector = Icons.Default.Remove,
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contentDescription = stringResource(R.string.content_desc_decrease),
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modifier = Modifier.size(18.dp)
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)
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}
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ReaderMinimalSlider(
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value = brightness,
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onValueChange = ::updateBrightness,
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valueRange = MIN_CUSTOM_BRIGHTNESS..1f,
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activeColor = MaterialTheme.colorScheme.primary,
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inactiveColor = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.12f),
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thumbColor = MaterialTheme.colorScheme.primary,
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modifier = Modifier.weight(1f)
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)
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IconButton(
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onClick = {
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updateBrightness(stepReaderBrightness(brightness, CUSTOM_BRIGHTNESS_STEP_PERCENT))
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},
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enabled = canIncrease,
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modifier = Modifier.size(36.dp)
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) {
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Icon(
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imageVector = Icons.Default.Add,
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contentDescription = stringResource(R.string.content_desc_increase),
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modifier = Modifier.size(18.dp)
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)
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}
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}
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}
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private fun Window.setReaderBrightness(brightness: Float) {
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attributes = attributes.apply {
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screenBrightness = brightness
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}
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}
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