feat: torrent scheme deep link and file associations (#866)

ui/flutter/lib/app/modules/setting/views/setting_view.dart

@@ -17,6 +17,7 @@ import '../../../../util/locale_manager.dart';
 import '../../../../util/log_util.dart';
 import '../../../../util/message.dart';
 import '../../../../util/package_info.dart';
+import '../../../../util/scheme_register/scheme_register.dart';
 import '../../../../util/util.dart';
 import '../../../views/check_list_view.dart';
 import '../../../views/directory_selector.dart';
@@ -111,7 +112,7 @@ class SettingView extends GetView<SettingController> {
     });
 
     final buildDefaultDirectDownload =
-        _buildConfigItem('defaultDirectDownload'.tr, () {
+        _buildConfigItem('defaultDirectDownload', () {
       return appController.downloaderConfig.value.extra.defaultDirectDownload
           ? 'on'.tr
           : 'off'.tr;
@@ -161,7 +162,7 @@ class SettingView extends GetView<SettingController> {
     // Currently auto startup only support Windows and Linux
     final buildAutoStartup = !Util.isWindows() && !Util.isLinux()
         ? () => null
-        : _buildConfigItem('launchAtStartup'.tr, () {
+        : _buildConfigItem('launchAtStartup', () {
             return appController.autoStartup.value ? 'on'.tr : 'off'.tr;
           }, (Key key) {
             return Container(
@@ -229,8 +230,9 @@ class SettingView extends GetView<SettingController> {
         ],
       );
     });
-    final buildHttpUseServerCtime = _buildConfigItem('useServerCtime'.tr,
-        () => httpConfig.useServerCtime ? 'on'.tr : 'off'.tr, (Key key) {
+    final buildHttpUseServerCtime = _buildConfigItem(
+        'useServerCtime', () => httpConfig.useServerCtime ? 'on'.tr : 'off'.tr,
+        (Key key) {
       return Container(
         alignment: Alignment.centerLeft,
         child: Switch(
@@ -420,6 +422,37 @@ class SettingView extends GetView<SettingController> {
         ].where((e) => e != null).map((e) => e!).toList(),
       );
     });
+    final buildBtDefaultClientConfig = !Util.isWindows()
+        ? () => null
+        : _buildConfigItem('setAsDefaultBtClient', () {
+            return appController.downloaderConfig.value.extra.defaultBtClient
+                ? 'on'.tr
+                : 'off'.tr;
+          }, (Key key) {
+            return Container(
+              alignment: Alignment.centerLeft,
+              child: Switch(
+                value:
+                    appController.downloaderConfig.value.extra.defaultBtClient,
+                onChanged: (bool value) async {
+                  try {
+                    if (value) {
+                      registerDefaultTorrentClient();
+                    } else {
+                      unregisterDefaultTorrentClient();
+                    }
+                    appController.downloaderConfig.update((val) {
+                      val!.extra.defaultBtClient = value;
+                    });
+                    await debounceSave();
+                  } catch (e) {
+                    showErrorMessage(e);
+                    logger.e('register default torrent client fail', e);
+                  }
+                },
+              ),
+            );
+          });
 
     // ui config items start
     final buildTheme = _buildConfigItem(
@@ -947,6 +980,7 @@ class SettingView extends GetView<SettingController> {
                             buildBtTrackerSubscribeUrls(),
                             buildBtTrackers(),
                             buildBtSeedConfig(),
+                            buildBtDefaultClientConfig(),
                           ]),
                         )),
                         Text('ui'.tr),