costom tabs setting

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/activities/IntentReceiverActivity.kt

@@ -153,12 +153,14 @@ class IntentReceiverActivity : Activity() {
         // Flutter-side to handle (search, PDF display, etc.).
         if (intent.action == Intent.ACTION_SEND) {
             val shareUrl = extractShareUrl(intent)
-            if (shareUrl != null) {
+            if (shareUrl != null &&
+                IntentGatekeeperPreferences.isCustomTabsEnabled(applicationContext)
+            ) {
                 Log.d(TAG, "SHARE intent with URL, routing to custom tab: $shareUrl")
                 handleShareUrlAsCustomTab(intent, shareUrl, privateBrowsingMode)
                 return
             }
-            Log.d(TAG, "SHARE intent without URL, routing to MainActivity")
+            Log.d(TAG, "SHARE intent without URL (or custom tabs disabled), routing to MainActivity")
             handleRegularIntent(intent)
             return
         }
@@ -193,19 +195,30 @@ class IntentReceiverActivity : Activity() {
                 return
             }
 
-        val processors = listOf(
-            "CustomTab" to CustomTabIntentProcessor(
-                components.useCases.customTabsUseCases.add,
-                resources,
-                isPrivate = privateBrowsingMode,
-            ),
-            "PWA" to WebAppIntentProcessor(
-                components.core.store,
-                components.useCases.customTabsUseCases.addWebApp,
-                components.useCases.sessionUseCases.loadUrl,
-                components.core.webAppManifestStorage,
-            ),
-        )
+        // When the user disables the Custom Tabs feature, external Custom Tab
+        // intents are not handled here; they fall through to the main browser
+        // via handleRegularIntent(). PWA processing is unaffected.
+        val customTabsEnabled = IntentGatekeeperPreferences.isCustomTabsEnabled(applicationContext)
+
+        val processors = buildList {
+            if (customTabsEnabled) {
+                add(
+                    "CustomTab" to CustomTabIntentProcessor(
+                        components.useCases.customTabsUseCases.add,
+                        resources,
+                        isPrivate = privateBrowsingMode,
+                    ),
+                )
+            }
+            add(
+                "PWA" to WebAppIntentProcessor(
+                    components.core.store,
+                    components.useCases.customTabsUseCases.addWebApp,
+                    components.useCases.sessionUseCases.loadUrl,
+                    components.core.webAppManifestStorage,
+                ),
+            )
+        }
 
         for ((name, processor) in processors) {
             Log.d(TAG, "Trying $name processor...")

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/gatekeeper/IntentGatekeeperPreferences.kt

@@ -21,6 +21,7 @@ import java.util.UUID
 object IntentGatekeeperPreferences {
     const val PREFS_NAME = "weblibre_intent_gatekeeper"
     const val KEY_ENABLED = "enabled"
+    const val KEY_CUSTOM_TABS_ENABLED = "custom_tabs_enabled"
     const val KEY_BLOCKED_PACKAGES = "blocked_packages"
     const val KEY_PENDING_ALWAYS_ALLOW = "pending_always_allow"
     private const val KEY_NOTIFICATION_APPROVAL_TOKENS = "notification_approval_tokens"
@@ -32,6 +33,15 @@ object IntentGatekeeperPreferences {
     fun isEnabled(context: Context): Boolean =
         get(context).getBoolean(KEY_ENABLED, false)
 
+    /**
+     * Whether external Custom Tab (and share-with-URL) intents should be
+     * handled as lightweight custom-tab activities. When false,
+     * [IntentReceiverActivity] routes them to the main browser instead.
+     * Defaults to true so the feature is active until the user opts out.
+     */
+    fun isCustomTabsEnabled(context: Context): Boolean =
+        get(context).getBoolean(KEY_CUSTOM_TABS_ENABLED, true)
+
     fun isBlocked(context: Context, packageName: String): Boolean {
         val prefs = get(context)
         if (!prefs.getBoolean(KEY_ENABLED, false)) return false