121 lines
4.1 KiB
Kotlin
121 lines
4.1 KiB
Kotlin
package com.m57.hermescontrol.theme
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import android.os.Build
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import androidx.compose.foundation.isSystemInDarkTheme
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import androidx.compose.material3.ColorScheme
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.dynamicDarkColorScheme
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import androidx.compose.material3.dynamicLightColorScheme
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.CompositionLocalProvider
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import androidx.compose.runtime.compositionLocalOf
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import androidx.compose.ui.platform.LocalContext
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import com.m57.hermescontrol.theme.presets.AmoledTheme
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import com.m57.hermescontrol.theme.presets.CatppuccinTheme
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import com.m57.hermescontrol.theme.presets.DefaultTheme
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import com.m57.hermescontrol.theme.presets.GruvboxTheme
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import com.m57.hermescontrol.theme.presets.MonochromeTheme
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import com.m57.hermescontrol.theme.presets.NordTheme
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import kotlinx.serialization.Serializable
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@Serializable
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enum class ThemePreference { SYSTEM, LIGHT, DARK }
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@Serializable
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enum class ThemePreset { DEFAULT, MONOCHROME, GRUVBOX, CATPPUCCIN, AMOLED, NORD }
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val LocalThemePreference = compositionLocalOf { ThemePreference.SYSTEM }
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val LocalThemePreset = compositionLocalOf { ThemePreset.DEFAULT }
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val LocalChatFontScale = compositionLocalOf { 1.0f }
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/**
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* The 6 preset themes — one file each, all built from the same
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* [PaletteTemplate] shape (see `PaletteTemplate.kt`).
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*/
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private fun themeFor(preset: ThemePreset): ThemePalette =
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when (preset) {
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ThemePreset.DEFAULT -> DefaultTheme
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ThemePreset.MONOCHROME -> MonochromeTheme
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ThemePreset.GRUVBOX -> GruvboxTheme
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ThemePreset.CATPPUCCIN -> CatppuccinTheme
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ThemePreset.AMOLED -> AmoledTheme
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ThemePreset.NORD -> NordTheme
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}
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/**
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* Resolve the Material 3 [ColorScheme] for a preset + dark flag.
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*
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* A preset that doesn't ship the requested mode (DARK_ONLY / LIGHT_ONLY —
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* e.g. AMOLED has no light palette) falls back to the default theme's
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* palette for that mode.
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*/
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internal fun resolveColorScheme(
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preset: ThemePreset,
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darkTheme: Boolean,
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): ColorScheme {
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val theme = themeFor(preset)
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// DefaultTheme is FULL — its scheme is never null for either mode.
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return theme.schemeFor(darkTheme) ?: requireNotNull(DefaultTheme.schemeFor(darkTheme))
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}
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/**
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* Resolve the semantic status colors for a preset + dark flag.
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* Same fallback rule as the scheme.
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*/
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internal fun resolveStatusColors(
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preset: ThemePreset,
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darkTheme: Boolean,
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): HermesStatusColors {
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val theme = themeFor(preset)
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// DefaultTheme is FULL — its status colors are never null for either mode.
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return theme.statusFor(darkTheme) ?: requireNotNull(DefaultTheme.statusFor(darkTheme))
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}
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@Composable
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fun HermesControlTheme(
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themePreference: ThemePreference = LocalThemePreference.current,
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useDynamicColors: Boolean = false,
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themePreset: ThemePreset = ThemePreset.DEFAULT,
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chatFontScale: Float = LocalChatFontScale.current,
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content: @Composable () -> Unit,
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) {
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val darkTheme =
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when (themePreference) {
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ThemePreference.SYSTEM -> isSystemInDarkTheme()
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ThemePreference.LIGHT -> false
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ThemePreference.DARK -> true
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}
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val context = LocalContext.current
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val dynamicAvailable =
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useDynamicColors && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S
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val colorScheme =
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if (dynamicAvailable) {
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if (darkTheme) {
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dynamicDarkColorScheme(context)
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} else {
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dynamicLightColorScheme(context)
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}
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} else {
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resolveColorScheme(themePreset, darkTheme)
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}
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val statusColors = resolveStatusColors(themePreset, darkTheme)
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CompositionLocalProvider(
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LocalThemePreference provides themePreference,
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LocalThemePreset provides themePreset,
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LocalChatFontScale provides chatFontScale,
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LocalHermesStatusColors provides statusColors,
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LocalSpacing provides SpacingDefaults,
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LocalMotion provides MotionDefaults,
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) {
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MaterialTheme(
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colorScheme = colorScheme,
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typography = Typography,
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shapes = HermesShapes,
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content = content,
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)
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}
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}
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