fix: improve tab state synchronization and navigation

Prevent redundant intent handling, ensure active tab state reflects current webview updates, and clean up initial load logic in WebViewContainer.

Author: aanneion

app/src/main/java/com/example/MainActivity.kt

@@ -113,6 +113,7 @@ class MainActivity : ComponentActivity() {
         val data = intent?.dataString
         if (action == Intent.ACTION_VIEW && !data.isNullOrBlank()) {
             viewModel.navigateTo(data)
+            intent.data = null
         }
     }
 }

app/src/main/java/com/example/browser/BrowserViewModel.kt

@@ -754,6 +754,7 @@ class BrowserViewModel(application: Application) : AndroidViewModel(application)
         val tabId = _activeTabId.value
         _activeTabState.update { it?.copy(url = "", title = "New Tab", progress = 0, isLoading = false) }
         viewModelScope.launch {
+            _webViewActionEvent.emit(WebViewAction.StopLoading(targetTabId = tabId))
             _webViewActionEvent.emit(WebViewAction.LoadUrl("about:blank", targetTabId = tabId))
             val cur = currentTabs.value.find { it.id == tabId }
             if (cur != null) {

app/src/main/java/com/example/ui/BrowserScreen.kt

@@ -268,9 +268,20 @@ fun BrowserScreen(
             val activeTabIsDesktop = activeTabState?.isDesktopMode
             val activeTabIsPrivate = activeTabState?.isPrivate
 
-            val openTabs = remember(currentTabs, activeTabId) {
+            val openTabs = remember(currentTabs, activeTabId, activeTabUrl) {
                 val map = linkedMapOf<String, BrowserTab>()
-                currentTabs.forEach { map[it.id] = it }
+                currentTabs.forEach { tab ->
+                    if (tab.id == activeTabId && activeTabUrl != null) {
+                        map[tab.id] = tab.copy(
+                            url = activeTabUrl,
+                            title = activeTabTitle ?: tab.title,
+                            isDesktopMode = activeTabIsDesktop ?: tab.isDesktopMode,
+                            isPrivate = activeTabIsPrivate ?: tab.isPrivate
+                        )
+                    } else {
+                        map[tab.id] = tab
+                    }
+                }
                 if (activeTabId.isNotBlank() && !map.containsKey(activeTabId)) {
                     map[activeTabId] = BrowserTab(
                         id = activeTabId,

app/src/main/java/com/example/ui/components/WebViewContainer.kt

@@ -1003,13 +1003,6 @@ fun WebViewContainer(
                         val themeScript = FingerprintScriptGenerator.generateThemeScript(effectiveDark)
                         webView.evaluateJavascript(themeScript, null)
                     } catch (e: Exception) { }
-
-                    if (initialUrl.isNotBlank() && initialUrl != "about:blank") {
-                        val cur = webView.url ?: ""
-                        if (cur.isEmpty() || cur == "about:blank") {
-                            webView.loadUrl(initialUrl)
-                        }
-                    }
                 },
                 modifier = Modifier.fillMaxSize()
             )