some cleanup

app/src/main/java/com/owenlejeune/tvtime/MainActivity.kt

@@ -5,7 +5,6 @@ import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.compose.foundation.layout.Box
 import androidx.compose.runtime.*
-import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalFocusManager
 import androidx.compose.ui.tooling.preview.Preview
@@ -30,19 +29,8 @@ class MainActivity : ComponentActivity() {
 
         setContent {
             AppKeyboardFocusManager()
-            val displayUnderStatusBar = rememberSaveable { mutableStateOf(false) }
-//            WindowCompat.setDecorFitsSystemWindows(window, false)
-//            WindowCompat.setDecorFitsSystemWindows(window, !displayUnderStatusBar.value)
-//            val statusBarColor = if (displayUnderStatusBar.value) {
-//                Color.Transparent
-//            } else {
-//                MaterialTheme.colorScheme.background
-//            }
-//            val systemUiController = rememberSystemUiController()
-//            systemUiController.setStatusBarColor(statusBarColor, !isSystemInDarkTheme())
             MyApp(
-                appNavController = rememberNavController(),
-                displayUnderStatusBar = displayUnderStatusBar
+                appNavController = rememberNavController()
             )
         }
     }
@@ -50,12 +38,11 @@ class MainActivity : ComponentActivity() {
 
 @Composable
 fun MyApp(
-    appNavController: NavHostController = rememberNavController(),
-    displayUnderStatusBar: MutableState<Boolean> = mutableStateOf(false)
+    appNavController: NavHostController = rememberNavController()
 ) {
     TVTimeTheme {
         Box {
-            MainNavigationRoutes(navController = appNavController, displayUnderStatusBar = displayUnderStatusBar)
+            MainNavigationRoutes(navController = appNavController)
         }
     }
 }

app/src/main/java/com/owenlejeune/tvtime/extensions/ActivityExtensions.kt

@@ -0,0 +1,42 @@
+package com.owenlejeune.tvtime.extensions
+
+import android.app.Activity
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.geometry.Size
+import androidx.compose.ui.graphics.toComposeRect
+import androidx.compose.ui.platform.LocalConfiguration
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.unit.DpSize
+import androidx.compose.ui.unit.dp
+import androidx.window.layout.WindowMetricsCalculator
+
+@Composable
+fun Activity.rememberWindowSize(): Size {
+    val configuration = LocalConfiguration.current
+
+    val windowMetrics = remember(configuration) {
+        WindowMetricsCalculator.getOrCreate().computeCurrentWindowMetrics(this)
+    }
+    return windowMetrics.bounds.toComposeRect().size
+}
+
+enum class WindowSizeClass { Compact, Medium, Expanded }
+
+@Composable
+fun Activity.rememberWindowSizeClass(): WindowSizeClass {
+    val windowSize = rememberWindowSize()
+
+    val windowSizeDp = with(LocalDensity.current) {
+        windowSize.toDpSize()
+    }
+
+    return getWindowSizeClass(windowSizeDp)
+}
+
+private fun getWindowSizeClass(windowDpSize: DpSize): WindowSizeClass = when {
+    windowDpSize.width < 0.dp -> throw IllegalArgumentException("Dp value cannot be negative")
+    windowDpSize.width < 600.dp -> WindowSizeClass.Compact
+    windowDpSize.width < 840.dp -> WindowSizeClass.Medium
+    else -> WindowSizeClass.Expanded
+}

app/src/main/java/com/owenlejeune/tvtime/ui/navigation/Routes.kt

@@ -23,12 +23,10 @@ object NavConstants {
 @Composable
 fun MainNavigationRoutes(
     navController: NavHostController,
-    displayUnderStatusBar: MutableState<Boolean> = mutableStateOf(false),
     startDestination: String = MainNavItem.MainView.route
 ) {
     NavHost(navController = navController, startDestination = startDestination) {
         composable(MainNavItem.MainView.route) {
-            displayUnderStatusBar.value = false
             MainAppView(appNavController = navController)
         }
         composable(
@@ -38,7 +36,6 @@ fun MainNavigationRoutes(
                 navArgument(NavConstants.TYPE_KEY) { type = NavType.EnumType(MediaViewType::class.java) }
             )
         ) { navBackStackEntry ->
-            displayUnderStatusBar.value = true
             val args = navBackStackEntry.arguments
             val mediaType = args?.getSerializable(NavConstants.TYPE_KEY) as MediaViewType
             if (mediaType != MediaViewType.PERSON) {