Add option to color system bar icons automatically

i18n/src/main/res/values-cs/strings.xml

@@ -37,7 +37,6 @@
     <string name="weather_details_humidity">Vlhkost: %1$s</string>
     <string name="preference_icon_pack_summary_empty">Nejsou nainstalovány žádné balíčky ikon</string>
     <string name="weather_widget_set_location">Nastavit polohu</string>
-    <string name="preference_light_status_bar">Tmavé ikony na stavové liště</string>
     <string name="missing_permission_calendar_widget_settings">Tento widget vyžaduje přístup ke kalendáři</string>
     <string name="preference_summary_not_logged_in">Momentálně nejste přihlášeni</string>
     <string name="preference_blur_wallpaper_unsupported">Není podporováno na tomto zařízení</string>
@@ -310,7 +309,6 @@
     <string name="preference_themed_icons_summary">Barevné ikony s barevným schématem aplikace</string>
     <string name="preference_icon_pack">Balíček ikon</string>
     <string name="preference_category_system_bars">Systémové lišty</string>
-    <string name="preference_light_nav_bar">Tmavé ikony na navigační liště</string>
     <string name="preference_hide_status_bar">Skrýt stavovou lištu</string>
     <string name="preference_hide_nav_bar">Skrýt navigační lištu</string>
     <string name="preference_screen_services_summary">Spravovat připojené účty a služby</string>

i18n/src/main/res/values-de/strings.xml

@@ -110,8 +110,6 @@
     <string name="widget_add_widget">Widget hinzufügen</string>
     <string name="widget_add_external">Weitere</string>
     <string name="preference_category_system_bars">Systemleisten</string>
-    <string name="preference_light_status_bar">Dunkle Statusleisten-Symbole</string>
-    <string name="preference_light_nav_bar">Dunkle Navigationsleisten-Symbole</string>
     <string name="preference_hide_status_bar">Statusleiste ausblenden</string>
     <string name="preference_hide_nav_bar">Navigationsleiste ausblenden</string>
     <string name="widget_name_music">Musik</string>

i18n/src/main/res/values-fr/strings.xml

@@ -145,8 +145,6 @@
     <string name="widget_add_widget">Ajouter un widget</string>
     <string name="widget_add_external">Plus</string>
     <string name="preference_category_system_bars">Barres du système</string>
-    <string name="preference_light_status_bar">Icônes de la barre d\'état sombres</string>
-    <string name="preference_light_nav_bar">Icônes de la barre de navigation sombres</string>
     <string name="widget_name_music">Musique</string>
     <string name="menu_contacts_open_externally">Ouvrir dans l\'application de contacts</string>
     <string name="menu_favorites_pin">Ajouter aux favoris</string>

i18n/src/main/res/values-it/strings.xml

@@ -30,7 +30,6 @@
     <string name="preference_screen_buildinfo_summary">Maggiori informazioni sulla build di questa app</string>
     <string name="preference_themed_icons_summary">Icone colorate con la combinazione di colori dell\'applicazione</string>
     <string name="preference_search_bar_auto_focus_summary">Mostra automaticamente la tastiera all\'apertura della ricerca</string>
-    <string name="preference_light_nav_bar">Icone scure nella barra di navigazione</string>
     <string name="connect_account">Connetti account</string>
     <string name="preference_hide_status_bar">Nascondi barra di stato</string>
     <string name="preference_summary_not_logged_in">Non hai eseguito l\'accesso</string>
@@ -259,7 +258,6 @@
     <string name="preference_themed_icons">Icone a tema</string>
     <string name="preference_icon_pack_summary_empty">Nessun pacchetto icone installato</string>
     <string name="preference_icon_pack">Pacchetto icone</string>
-    <string name="preference_light_status_bar">Icone scure nella barra di stato</string>
     <string name="preference_category_system_bars">Barre di sistema</string>
     <string name="preference_icon_shape_triangle">Triangolo di Reuleaux</string>
     <string name="preference_hide_nav_bar">Nascondi barra di navigazione</string>

i18n/src/main/res/values-nl/strings.xml

@@ -297,8 +297,6 @@
     <string name="preference_force_themed_icons">Forceer iconen met een thema</string>
     <string name="preference_icon_pack">Pictogrammenpakket</string>
     <string name="preference_category_system_bars">Systeembalken</string>
-    <string name="preference_light_status_bar">Donkere statusbalkpictogrammen</string>
-    <string name="preference_light_nav_bar">Donkere navigatiebalkpictogrammen</string>
     <string name="preference_hide_status_bar">Statusbalk verbergen</string>
     <string name="preference_summary_not_logged_in">Je bent niet ingelogd</string>
     <string name="preference_icon_shape_pentagon">Vijfhoek</string>

i18n/src/main/res/values-pt-rBR/strings.xml

@@ -276,8 +276,6 @@
     <string name="preference_icon_pack">Pacote de ícones</string>
     <string name="preference_icon_pack_summary_empty">Não há pacotes de ícones instalados</string>
     <string name="preference_category_system_bars">Barras do sistema</string>
-    <string name="preference_light_status_bar">Ícones da barra de status escuro</string>
-    <string name="preference_light_nav_bar">Ícones da barra de navegação escuro</string>
     <string name="preference_hide_status_bar">Ocultar a barra de status</string>
     <string name="preference_hide_nav_bar">Ocultar a barra de navegação</string>
     <string name="preference_screen_services_summary">Gerenciar as contas e serviços conectados</string>

i18n/src/main/res/values-ro/strings.xml

@@ -247,8 +247,6 @@
     <string name="preference_icon_pack">Pachet de pictograme</string>
     <string name="preference_icon_pack_summary_empty">Nu sunt instalate pachete de pictograme</string>
     <string name="preference_category_system_bars">Bare de sistem</string>
-    <string name="preference_light_status_bar">Pictogramele barei de stare întunecate</string>
-    <string name="preference_light_nav_bar">Pictograme întunecate ale barei de navigare</string>
     <string name="preference_hide_status_bar">Ascunde bara de stare</string>
     <string name="preference_hide_nav_bar">Ascunde bara de navigare</string>
     <string name="preference_category_services_google">Google</string>

i18n/src/main/res/values-ru/strings.xml

@@ -284,8 +284,6 @@
     <string name="preference_search_files_summary">Поиск локальных файлов и облачных файлов</string>
     <string name="preference_search_websearch_summary">Показать ярлыки различных поисковых систем</string>
     <string name="preference_category_services_google">Google</string>
-    <string name="preference_light_status_bar">Темные значки в строке состояния</string>
-    <string name="preference_light_nav_bar">Темные значки в панели навигации</string>
     <string name="preference_hide_status_bar">Скрыть строку состояния</string>
     <string name="preference_hide_nav_bar">Скрыть панель навигации</string>
     <string name="preference_category_wallpaper">Обои</string>

i18n/src/main/res/values-sv/strings.xml

@@ -230,8 +230,6 @@
     <string name="preference_icon_pack">Ikonpaket</string>
     <string name="preference_icon_pack_summary_empty">Inga ikonpaket installerade</string>
     <string name="preference_category_system_bars">Systemfält</string>
-    <string name="preference_light_status_bar">Mörka statusfältikoner</string>
-    <string name="preference_light_nav_bar">Mörka navigationsfältikoner</string>
     <string name="preference_hide_status_bar">Göm statusfält</string>
     <string name="preference_hide_nav_bar">Göm navigationsfält</string>
     <string name="preference_screen_services_summary">Hantera anslutna konton och tjänster</string>

i18n/src/main/res/values-zh-rCN/strings.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="preference_light_nav_bar">深色的导航条图标</string>
     <string name="preference_dim_wallpaper_summary">在深色主题中，使壁纸变暗</string>
     <string name="preference_screen_badges_summary">配置图标角标</string>
     <string name="preference_ms_signin_summary">登陆以查找OneDrive</string>
@@ -252,7 +251,6 @@
     <string name="preference_icon_pack">图标包</string>
     <string name="preference_icon_pack_summary_empty">没有已安装的图标包</string>
     <string name="preference_category_system_bars">系统栏</string>
-    <string name="preference_light_status_bar">深色的状态栏图标</string>
     <string name="preference_hide_status_bar">隐藏状态栏</string>
     <string name="preference_hide_nav_bar">隐藏导航条</string>
     <string name="preference_screen_services_summary">管理已连接的账户和服务</string>

i18n/src/main/res/values/strings.xml

@@ -482,8 +482,11 @@
     <string name="preference_icon_pack">Icon pack</string>
     <string name="preference_icon_pack_summary_empty">No icon packs installed</string>
     <string name="preference_category_system_bars">System bars</string>
-    <string name="preference_light_status_bar">Dark status bar icons</string>
+    <string name="preference_status_bar_icons">Status bar icons</string>
-    <string name="preference_light_nav_bar">Dark navigation bar icons</string>
+    <string name="preference_nav_bar_icons">Navigation bar icons</string>
+    <string name="preference_system_bar_icons_auto">Auto</string>
+    <string name="preference_system_bar_icons_light">Light</string>
+    <string name="preference_system_bar_icons_dark">Dark</string>
     <string name="preference_hide_status_bar">Hide status bar</string>
     <string name="preference_hide_nav_bar">Hide navigation bar</string>
     <string name="preference_screen_services_summary">Manage connected accounts and services</string>

preferences/src/main/java/de/mm20/launcher2/preferences/Defaults.kt

@@ -144,8 +144,8 @@ fun createFactorySettings(context: Context): Settings {
         .setEasterEgg(false)
         .setSystemBars(
             Settings.SystemBarsSettings.newBuilder()
-                .setLightNavBar(false)
+                .setNavBarColor(Settings.SystemBarsSettings.SystemBarColors.Light)
-                .setLightStatusBar(false)
+                .setStatusBarColor(Settings.SystemBarsSettings.SystemBarColors.Light)
                 .setHideStatusBar(false)
                 .setHideNavBar(false)
         )

preferences/src/main/proto/settings.proto

@@ -238,8 +238,16 @@ message Settings {
   bool easter_egg = 22;
 
   message SystemBarsSettings {
-    bool lightStatusBar = 1;
+    enum SystemBarColors {
-    bool lightNavBar = 2;
+      // Light icons
+      Auto = 0;
+      // Dark icons
+      Dark = 1;
+      // Wallpaper based
+      Light = 2;
+    }
+    SystemBarColors statusBarColor = 1;
+    SystemBarColors navBarColor = 2;
     bool hideStatusBar = 3;
     bool hideNavBar = 4;
   }

ui/src/main/java/de/mm20/launcher2/ui/launcher/LauncherActivityVM.kt

@@ -4,6 +4,7 @@ import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.asLiveData
 import de.mm20.launcher2.preferences.LauncherDataStore
+import de.mm20.launcher2.preferences.Settings.SystemBarsSettings
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.map
@@ -23,19 +24,8 @@ class LauncherActivityVM : ViewModel(), KoinComponent {
     }
     val dimBackground = dimBackgroundState.asLiveData()
 
-    val lightStatusBar = combine(
+    val statusBarColor = dataStore.data.map { it.systemBars.statusBarColor }.asLiveData()
-        dimBackgroundState,
+    val navBarColor = dataStore.data.map { it.systemBars.statusBarColor }.asLiveData()
-        dataStore.data.map { it.systemBars.lightStatusBar }
-    ) { dim, light ->
-        !dim && light
-    }.asLiveData()
-
-    val lightNavBar = combine(
-        dimBackgroundState,
-        dataStore.data.map { it.systemBars.lightNavBar }
-    ) { dim, light ->
-        !dim && light
-    }.asLiveData()
 
     val hideNavBar = dataStore.data.map { it.systemBars.hideNavBar }.asLiveData()
     val hideStatusBar = dataStore.data.map { it.systemBars.hideStatusBar }.asLiveData()

ui/src/main/java/de/mm20/launcher2/ui/launcher/SharedLauncherActivity.kt

@@ -35,6 +35,7 @@ import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.flowWithLifecycle
 import com.google.accompanist.systemuicontroller.rememberSystemUiController
 import de.mm20.launcher2.preferences.Settings
+import de.mm20.launcher2.preferences.Settings.SystemBarsSettings.SystemBarColors
 import de.mm20.launcher2.ui.assistant.AssistantScaffold
 import de.mm20.launcher2.ui.base.BaseActivity
 import de.mm20.launcher2.ui.base.ProvideCurrentTime
@@ -44,9 +45,12 @@ import de.mm20.launcher2.ui.ktx.animateTo
 import de.mm20.launcher2.ui.launcher.transitions.HomeTransition
 import de.mm20.launcher2.ui.launcher.transitions.HomeTransitionManager
 import de.mm20.launcher2.ui.launcher.transitions.LocalHomeTransitionManager
+import de.mm20.launcher2.ui.locals.LocalPreferDarkContentOverWallpaper
 import de.mm20.launcher2.ui.locals.LocalSnackbarHostState
+import de.mm20.launcher2.ui.locals.LocalWallpaperColors
 import de.mm20.launcher2.ui.locals.LocalWindowSize
 import de.mm20.launcher2.ui.theme.LauncherTheme
+import de.mm20.launcher2.ui.theme.wallpaperColorsAsState
 import kotlin.math.pow
 
 
@@ -73,19 +77,26 @@ abstract class SharedLauncherActivity(
 
         setContent {
             val snackbarHostState = remember { SnackbarHostState() }
+            val wallpaperColors by wallpaperColorsAsState()
+            val dimBackground by viewModel.dimBackground.observeAsState(false)
             CompositionLocalProvider(
                 LocalHomeTransitionManager provides homeTransitionManager,
                 LocalWindowSize provides windowSize,
-                LocalSnackbarHostState provides snackbarHostState
+                LocalSnackbarHostState provides snackbarHostState,
+                LocalWallpaperColors provides wallpaperColors,
+                LocalPreferDarkContentOverWallpaper provides (!dimBackground && wallpaperColors.supportsDarkText),
             ) {
                 LauncherTheme {
                     ProvideCurrentTime {
                         ProvideSettings {
-                            val lightStatus by viewModel.lightStatusBar.observeAsState(false)
+                            val statusBarColor by viewModel.statusBarColor.observeAsState(SystemBarColors.Auto)
-                            val lightNav by viewModel.lightNavBar.observeAsState(false)
+                            val navBarColor by viewModel.navBarColor.observeAsState(SystemBarColors.Auto)
+
+                            val lightStatus = !dimBackground && (statusBarColor == SystemBarColors.Dark || statusBarColor == SystemBarColors.Auto && wallpaperColors.supportsDarkText)
+                            val lightNav = !dimBackground && (navBarColor == SystemBarColors.Dark || navBarColor == SystemBarColors.Auto && wallpaperColors.supportsDarkText)
+
                             val hideStatus by viewModel.hideStatusBar.observeAsState(false)
                             val hideNav by viewModel.hideNavBar.observeAsState(false)
-                            val dimBackground by viewModel.dimBackground.observeAsState(false)
                             val layout by viewModel.layout.observeAsState(null)
 
                             val systemUiController = rememberSystemUiController()

ui/src/main/java/de/mm20/launcher2/ui/locals/CompositionLocals.kt

@@ -4,10 +4,10 @@ import android.appwidget.AppWidgetHost
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.runtime.compositionLocalOf
 import androidx.compose.ui.geometry.Size
-import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import de.mm20.launcher2.preferences.Settings
 import de.mm20.launcher2.preferences.Settings.GridSettings
+import de.mm20.launcher2.ui.theme.WallpaperColors
 
 val LocalWindowSize = compositionLocalOf { Size(0f, 0f) }
 
@@ -29,4 +29,8 @@ val LocalDarkTheme = compositionLocalOf { false }
  * Workaround a bug in Jetpack Compose which incorrectly places popups
  * that are nested inside other popups.
  */
-val LocalWindowPosition = compositionLocalOf { 0f }
+val LocalWindowPosition = compositionLocalOf { 0f }
+
+val LocalWallpaperColors = compositionLocalOf { WallpaperColors() }
+
+val LocalPreferDarkContentOverWallpaper = compositionLocalOf { false }

ui/src/main/java/de/mm20/launcher2/ui/settings/SettingsActivity.kt

@@ -20,6 +20,7 @@ import de.mm20.launcher2.ui.theme.LauncherTheme
 import de.mm20.launcher2.ui.base.BaseActivity
 import de.mm20.launcher2.ui.locals.LocalCardStyle
 import de.mm20.launcher2.ui.locals.LocalNavController
+import de.mm20.launcher2.ui.locals.LocalWallpaperColors
 import de.mm20.launcher2.ui.settings.about.AboutSettingsScreen
 import de.mm20.launcher2.ui.settings.accounts.AccountsSettingsScreen
 import de.mm20.launcher2.ui.settings.appearance.AppearanceSettingsScreen
@@ -47,6 +48,7 @@ import de.mm20.launcher2.ui.settings.weatherwidget.WeatherWidgetSettingsScreen
 import de.mm20.launcher2.ui.settings.websearch.WebSearchSettingsScreen
 import de.mm20.launcher2.ui.settings.widgets.WidgetsSettingsScreen
 import de.mm20.launcher2.ui.settings.wikipedia.WikipediaSettingsScreen
+import de.mm20.launcher2.ui.theme.wallpaperColorsAsState
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.map
 import org.koin.android.ext.android.inject
@@ -72,9 +74,11 @@ class SettingsActivity : BaseActivity() {
             }.collectAsState(
                 Settings.CardSettings.getDefaultInstance()
             )
+            val wallpaperColors by wallpaperColorsAsState()
             CompositionLocalProvider(
                 LocalNavController provides navController,
-                LocalCardStyle provides cardStyle
+                LocalCardStyle provides cardStyle,
+                LocalWallpaperColors provides wallpaperColors,
             ) {
                 LauncherTheme {
                     AnimatedNavHost(

ui/src/main/java/de/mm20/launcher2/ui/settings/appearance/AppearanceSettingsScreen.kt

@@ -33,6 +33,7 @@ import de.mm20.launcher2.ktx.isAtLeastApiLevel
 import de.mm20.launcher2.preferences.Settings.*
 import de.mm20.launcher2.preferences.Settings.AppearanceSettings.ColorScheme
 import de.mm20.launcher2.preferences.Settings.AppearanceSettings.Theme
+import de.mm20.launcher2.preferences.Settings.SystemBarsSettings.SystemBarColors
 import de.mm20.launcher2.ui.R
 import de.mm20.launcher2.ui.component.ShapedLauncherIcon
 import de.mm20.launcher2.ui.component.getShape
@@ -251,20 +252,30 @@ fun AppearanceSettingsScreen() {
                 )
             }
             PreferenceCategory(stringResource(R.string.preference_category_system_bars)) {
-                val lightStatusBar by viewModel.lightStatusBar.observeAsState()
+                val lightStatusBar by viewModel.statusBarIcons.observeAsState()
-                SwitchPreference(
+                ListPreference(
-                    title = stringResource(R.string.preference_light_status_bar),
+                    title = stringResource(R.string.preference_status_bar_icons),
-                    value = lightStatusBar == true,
+                    value = lightStatusBar,
+                    items = listOf(
+                        stringResource(R.string.preference_system_bar_icons_auto) to SystemBarColors.Auto,
+                        stringResource(R.string.preference_system_bar_icons_light) to SystemBarColors.Light,
+                        stringResource(R.string.preference_system_bar_icons_dark) to SystemBarColors.Dark,
+                    ),
                     onValueChanged = {
-                        viewModel.setLightStatusBar(it)
+                        if (it != null) viewModel.setLightStatusBar(it)
                     }
                 )
-                val lightNavBar by viewModel.lightNavBar.observeAsState()
+                val lightNavBar by viewModel.navBarIcons.observeAsState()
-                SwitchPreference(
+                ListPreference(
-                    title = stringResource(R.string.preference_light_nav_bar),
+                    title = stringResource(R.string.preference_nav_bar_icons),
-                    value = lightNavBar == true,
+                    value = lightNavBar,
+                    items = listOf(
+                        stringResource(R.string.preference_system_bar_icons_auto) to SystemBarColors.Auto,
+                        stringResource(R.string.preference_system_bar_icons_light) to SystemBarColors.Light,
+                        stringResource(R.string.preference_system_bar_icons_dark) to SystemBarColors.Dark,
+                    ),
                     onValueChanged = {
-                        viewModel.setLightNavBar(it)
+                        if (it != null) viewModel.setLightNavBar(it)
                     }
                 )
                 val hideStatusBar by viewModel.hideStatusBar.observeAsState()

ui/src/main/java/de/mm20/launcher2/ui/settings/appearance/AppearanceSettingsScreenVM.kt

@@ -13,6 +13,7 @@ import de.mm20.launcher2.preferences.LauncherDataStore
 import de.mm20.launcher2.preferences.Settings
 import de.mm20.launcher2.preferences.Settings.AppearanceSettings.*
 import de.mm20.launcher2.preferences.Settings.SearchBarSettings
+import de.mm20.launcher2.preferences.Settings.SystemBarsSettings
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
 import org.koin.core.component.KoinComponent
@@ -217,28 +218,28 @@ class AppearanceSettingsScreenVM : ViewModel(), KoinComponent {
         }
     }
 
-    val lightStatusBar = dataStore.data.map { it.systemBars.lightStatusBar }.asLiveData()
+    val statusBarIcons = dataStore.data.map { it.systemBars.statusBarColor }.asLiveData()
-    fun setLightStatusBar(lightStatusBar: Boolean) {
+    fun setLightStatusBar(statusBarColor: SystemBarsSettings.SystemBarColors) {
         viewModelScope.launch {
             dataStore.updateData {
                 it.toBuilder()
                     .setSystemBars(
                         it.systemBars.toBuilder()
-                            .setLightStatusBar(lightStatusBar)
+                            .setStatusBarColor(statusBarColor)
                     )
                     .build()
             }
         }
     }
 
-    val lightNavBar = dataStore.data.map { it.systemBars.lightNavBar }.asLiveData()
+    val navBarIcons = dataStore.data.map { it.systemBars.navBarColor }.asLiveData()
-    fun setLightNavBar(lightNavBar: Boolean) {
+    fun setLightNavBar(navBarColors: SystemBarsSettings.SystemBarColors) {
         viewModelScope.launch {
             dataStore.updateData {
                 it.toBuilder()
                     .setSystemBars(
                         it.systemBars.toBuilder()
-                            .setLightNavBar(lightNavBar)
+                            .setNavBarColor(navBarColors)
                     )
                     .build()
             }

ui/src/main/java/de/mm20/launcher2/ui/theme/LauncherTheme.kt

@@ -16,6 +16,7 @@ import de.mm20.launcher2.preferences.Settings
 import de.mm20.launcher2.preferences.Settings.AppearanceSettings
 import de.mm20.launcher2.preferences.Settings.AppearanceSettings.Theme
 import de.mm20.launcher2.ui.locals.LocalDarkTheme
+import de.mm20.launcher2.ui.locals.LocalWallpaperColors
 import de.mm20.launcher2.ui.theme.colorscheme.*
 import de.mm20.launcher2.ui.theme.typography.DefaultTypography
 import de.mm20.launcher2.ui.theme.typography.getDeviceDefaultTypography
@@ -124,11 +125,10 @@ fun colorSchemeAsState(
         }
         else -> {
             if (Build.VERSION.SDK_INT >= 27 && (Build.VERSION.SDK_INT < 31 || colorScheme == AppearanceSettings.ColorScheme.DebugMaterialYouCompat)) {
-                val wallpaperColors by wallpaperColorsAsState()
+                val wallpaperColors = LocalWallpaperColors.current
                 val state = remember(wallpaperColors, darkTheme) {
                     mutableStateOf(
-                        wallpaperColors?.let { MaterialYouCompatScheme(it, darkTheme) }
+                        MaterialYouCompatScheme(wallpaperColors, darkTheme)
-                            ?: if (darkTheme) DarkDefaultColorScheme else LightDefaultColorScheme
                     )
                 }
                 return state

ui/src/main/java/de/mm20/launcher2/ui/theme/WallpaperColors.kt

@@ -5,21 +5,35 @@ import android.os.Build
 import android.os.Handler
 import android.os.Looper
 import androidx.annotation.RequiresApi
-import androidx.compose.runtime.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.State
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
-data class WallpaperColors(val primary: Color, val secondary: Color?, val tertiary: Color?) {
+data class WallpaperColors(
+    val primary: Color = Color(0xFF3C6089),
+    val secondary: Color? = null,
+    val tertiary: Color? = null,
+    private val hints: Int = 0,
+) {
+    val supportsDarkText: Boolean
+        get() = hints and android.app.WallpaperColors.HINT_SUPPORTS_DARK_TEXT != 0
+
     companion object {
         @RequiresApi(Build.VERSION_CODES.O_MR1)
         fun fromPlatformType(colors: android.app.WallpaperColors): WallpaperColors {
             return WallpaperColors(
                 Color(colors.primaryColor.toArgb()),
                 colors.secondaryColor?.toArgb()?.let { Color(it) },
-                colors.tertiaryColor?.toArgb()?.let { Color(it) }
+                colors.tertiaryColor?.toArgb()?.let { Color(it) },
+                colors.colorHints
             )
         }
     }
@@ -27,18 +41,18 @@ data class WallpaperColors(val primary: Color, val secondary: Color?, val tertia
 
 @RequiresApi(Build.VERSION_CODES.O_MR1)
 @Composable
-fun wallpaperColorsAsState(): State<WallpaperColors?> {
+fun wallpaperColorsAsState(): State<WallpaperColors> {
     val scope = rememberCoroutineScope()
     val context = LocalContext.current
-    val state = remember { mutableStateOf<WallpaperColors?>(null) }
+    val state = remember { mutableStateOf(WallpaperColors()) }
     DisposableEffect(null) {
         val wallpaperManager = WallpaperManager.getInstance(context)
         val callback = callback@{ colors: android.app.WallpaperColors?, which: Int ->
-            if (which or WallpaperManager.FLAG_SYSTEM == 0) return@callback
+            if (which and WallpaperManager.FLAG_SYSTEM == 0) return@callback
             if (colors != null) {
                 state.value = WallpaperColors.fromPlatformType(colors)
             } else {
-                state.value = null
+                state.value = WallpaperColors()
             }
         }
         wallpaperManager.addOnColorsChangedListener(
@@ -57,6 +71,4 @@ fun wallpaperColorsAsState(): State<WallpaperColors?> {
         }
     }
     return state
-}
+}
-
-internal val DefaultWallpaperColors = WallpaperColors(Color.White, null, null)