refactor: global state and hydration

Signed-off-by: Infi <wingit@geist.ga>

app/src/main/java/chat/revolt/api/settings/GlobalState.kt

@@ -1,15 +1,15 @@
 package chat.revolt.api.settings
 
+import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
 import chat.revolt.ui.theme.Theme
 import chat.revolt.ui.theme.getDefaultTheme
 
 object GlobalState {
-    private var _theme = mutableStateOf(getDefaultTheme())
-    val theme
-        get() = _theme.value
+    var theme by mutableStateOf(getDefaultTheme())
 
-    fun setTheme(theme: Theme) {
-        _theme.value = theme
+    fun hydrateWithSettings(settings: SyncedSettings) {
+        settings.android.theme?.let { this.theme = Theme.valueOf(it) }
     }
 }

app/src/main/java/chat/revolt/screens/SplashScreen.kt

@@ -34,7 +34,6 @@ import chat.revolt.api.settings.SyncedSettings
 import chat.revolt.components.screens.splash.DisconnectedScreen
 import chat.revolt.persistence.KVStorage
 import chat.revolt.ui.theme.RevoltColorScheme
-import chat.revolt.ui.theme.Theme
 import dagger.hilt.android.lifecycle.HiltViewModel
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.ktor.client.request.get
@@ -129,7 +128,7 @@ class SplashScreenViewModel @Inject constructor(
     private fun loadSettings() {
         viewModelScope.launch {
             SyncedSettings.fetch()
-            SyncedSettings.android.theme?.let { GlobalState.setTheme(Theme.valueOf(it)) }
+            GlobalState.hydrateWithSettings(SyncedSettings)
         }
     }
 

app/src/main/java/chat/revolt/screens/settings/AppearanceSettingsScreen.kt

@@ -49,7 +49,7 @@ fun AppearanceSettingsScreen(
     val context = LocalContext.current
 
     fun setNewTheme(theme: Theme) {
-        GlobalState.setTheme(theme)
+        GlobalState.theme = theme
         viewModel.saveNewTheme(theme)
     }