Feat(App): Support sliding down the notification bar to exit full screen

app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/OxygenApp.kt

@@ -25,6 +25,7 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
@@ -86,9 +87,16 @@ fun OxygenApp(appState: OxygenAppState) {
         }
     )
 
-    LaunchedEffect(Unit) {
+    DisposableEffect(Unit) {
         windowInsetsController.systemBarsBehavior =
             WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+        val listener = WindowInsetsControllerCompat.OnControllableInsetsChangedListener { _, _ ->
+            isFullScreen = false
+        }
+        windowInsetsController.addOnControllableInsetsChangedListener(listener)
+        onDispose {
+            windowInsetsController.removeOnControllableInsetsChangedListener(listener)
+        }
     }
 
     LaunchedEffect(isFullScreen) {

app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/view/ToolViewScreen.kt

@@ -16,21 +16,17 @@ import androidx.activity.compose.ManagedActivityResultLauncher
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.ActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.WindowInsets
-import androidx.compose.foundation.layout.WindowInsetsSides
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.imePadding
-import androidx.compose.foundation.layout.only
-import androidx.compose.foundation.layout.safeDrawing
 import androidx.compose.foundation.layout.widthIn
-import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.AlertDialog
@@ -101,22 +97,16 @@ internal fun ToolViewScreen(
 ) {
     val (isFullScreen, onFullScreenStateChange) = LocalFullScreen.current
 
-    Column(
+    Column(modifier.fillMaxWidth()) {
-        modifier
+        AnimatedVisibility(!isFullScreen) {
-            .fillMaxWidth()
+            TopBar(
-            .windowInsetsPadding(
+                toolViewUiState = toolViewUiState,
-                WindowInsets.safeDrawing.only(
+                isPreview = isPreview,
-                    WindowInsetsSides.Horizontal
+                isFullScreen = isFullScreen,
-                )
+                onBackClick = onBackClick,
+                onFullScreenChange = onFullScreenStateChange
             )
-    ) {
+        }
-        TopBar(
-            toolViewUiState = toolViewUiState,
-            isPreview = isPreview,
-            isFullScreen = isFullScreen,
-            onBackClick = onBackClick,
-            onFullScreenChange = onFullScreenStateChange
-        )
         Content(
             toolViewUiState = toolViewUiState,
             webViewInstanceState = webViewInstanceState