feat: Permission dialog before open link in browser

assets/l10n/intl_en.arb

@@ -2529,5 +2529,6 @@
     },
     "jumpToLastReadMessage": "Jump to last read message",
     "readUpToHere": "Read up to here",
-    "jump": "Jump"
+    "jump": "Jump",
+    "openLinkInBrowser": "Open link in browser"
 }

lib/pages/chat/events/html_message.dart

@@ -7,7 +7,6 @@ import 'package:matrix/matrix.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import '../../../config/app_config.dart';
 import '../../../config/setting_keys.dart';
-import '../../../pages/image_viewer/image_viewer.dart';
 import '../../../utils/matrix_sdk_extensions/matrix_locals.dart';
 import '../../../utils/url_launcher.dart';
 
@@ -83,24 +82,7 @@ class HtmlMessage extends StatelessWidget {
             )
             .toString();
       },
-      onImageTap: (String mxc) => showDialog(
-        context: Matrix.of(context).navigatorContext,
-        useRootNavigator: false,
-        builder: (_) => ImageViewer(
-          Event(
-            type: EventTypes.Message,
-            content: <String, dynamic>{
-              'body': mxc,
-              'url': mxc,
-              'msgtype': MessageTypes.Image,
-            },
-            senderId: room.client.userID!,
-            originServerTs: DateTime.now(),
-            eventId: 'fake_event',
-            room: room,
-          ),
-        ),
-      ),
+      onImageTap: (url) => UrlLauncher(context, url).launchUrl(),
       setCodeLanguage: (String key, String value) async {
         await matrix.store.setItem('${SettingKeys.codeLanguage}.$key', value);
       },

lib/utils/url_launcher.dart

@@ -22,7 +22,7 @@ class UrlLauncher {
 
   const UrlLauncher(this.context, this.url);
 
-  void launchUrl() {
+  void launchUrl() async {
     if (url!.toLowerCase().startsWith(AppConfig.deepLinkPrefix) ||
         url!.toLowerCase().startsWith(AppConfig.inviteLinkPrefix) ||
         {'#', '@', '!', '+', '\$'}.contains(url![0]) ||
@@ -37,6 +37,15 @@ class UrlLauncher {
       );
       return;
     }
+    final consent = await showOkCancelAlertDialog(
+      context: context,
+      title: L10n.of(context)!.openLinkInBrowser,
+      message: url,
+      okLabel: L10n.of(context)!.ok,
+      cancelLabel: L10n.of(context)!.cancel,
+    );
+    if (consent != OkCancelResult.ok) return;
+
     if (!{'https', 'http'}.contains(uri.scheme)) {
       // just launch non-https / non-http uris directly