feat: more subtitle

lib/grpc/dm.dart

@@ -21,4 +21,12 @@ abstract final class DmGrpc {
       isolate: true,
     );
   }
+
+  static Future<LoadingState<DmViewReply>> dmView(int aid, int cid) {
+    return GrpcReq.request(
+      GrpcUrl.dmView,
+      DmViewReq(pid: Int64(aid), oid: Int64(cid), type: 1),
+      DmViewReply.fromBuffer,
+    );
+  }
 }

lib/grpc/url.dart

@@ -14,6 +14,7 @@ abstract final class GrpcUrl {
 
   // danmaku
   static const dmSegMobile = '/bilibili.community.service.dm.v1.DM/DmSegMobile';
+  static const dmView = '/bilibili.community.service.dm.v1.DM/DmView';
 
   // reply
   static const reply = '/bilibili.main.community.reply.v1.Reply';

lib/models_new/video/video_play_info/subtitle.dart

@@ -1,4 +1,4 @@
-class Subtitle {
+class Subtitle implements Comparable<Subtitle> {
   late String lan;
   String? lanDoc;
   String? subtitleUrl;
@@ -8,6 +8,8 @@ class Subtitle {
   Subtitle({
     required this.lan,
     this.lanDoc,
+    this.subtitleUrl,
+    this.isAi = false,
   });
 
   Subtitle.fromJson(Map<String, dynamic> json) {
@@ -17,4 +19,13 @@ class Subtitle {
     subtitleUrl = json["subtitle_url"];
     subtitleUrlV2 = json["subtitle_url_v2"];
   }
+
+  @override
+  int compareTo(Subtitle other) {
+    final thisHasZh = lan.contains('zh');
+    final otherHasZh = other.lan.contains('zh');
+    if (thisHasZh != otherHasZh) return thisHasZh ? -1 : 1;
+    if (isAi != other.isAi) return isAi ? 1 : -1;
+    return 0;
+  }
 }

lib/models_new/video/video_play_info/subtitle_info.dart

@@ -14,12 +14,6 @@ class SubtitleInfo {
         (json['subtitles'] as List<dynamic>?)
             ?.map((e) => Subtitle.fromJson(e as Map<String, dynamic>))
             .toList()
-          ?..sort((a, b) {
+          ?..sort(),
-            final aHasZh = a.lan.contains('zh');
-            final bHasZh = b.lan.contains('zh');
-            if (aHasZh != bHasZh) return aHasZh ? -1 : 1;
-            if (a.isAi != b.isAi) return a.isAi ? 1 : -1;
-            return 0;
-          }),
   );
 }

lib/pages/video/controller.dart

@@ -7,6 +7,7 @@ import 'package:PiliPlus/common/widgets/pair.dart';
 import 'package:PiliPlus/common/widgets/progress_bar/segment_progress_bar.dart';
 import 'package:PiliPlus/grpc/bilibili/app/listener/v1.pbenum.dart'
     show PlaylistSource;
+import 'package:PiliPlus/grpc/dm.dart';
 import 'package:PiliPlus/http/fav.dart';
 import 'package:PiliPlus/http/init.dart';
 import 'package:PiliPlus/http/loading_state.dart';
@@ -1178,6 +1179,37 @@ class VideoDetailController extends GetxController
       }
 
       if (response.subtitle?.subtitles case final sub? when (sub.isNotEmpty)) {
+        _setSubtitle(sub);
+      } else if (!Accounts.main.isLogin) {
+        final res = await DmGrpc.dmView(aid, cid.value);
+        if (res case Success(:final response)) {
+          if (response.hasSubtitle() &&
+              response.subtitle.subtitles.isNotEmpty) {
+            _setSubtitle(
+              response.subtitle.subtitles
+                  .map(
+                    (i) => Subtitle(
+                      lan: i.lan,
+                      lanDoc: i.lanDoc,
+                      subtitleUrl: i.subtitleUrl.replaceFirst(
+                        RegExp('^https?:'),
+                        '',
+                      ),
+                      isAi: i.type == .AI,
+                    ),
+                  )
+                  .toList()
+                ..sort(),
+            );
+          }
+        } else {
+          res.toast();
+        }
+      }
+    }
+  }
+
+  Future<void> _setSubtitle(List<Subtitle> sub) async {
     subtitles.value = sub;
     final idx = switch (Pref.subtitlePreferenceV2) {
       .off => 0,
@@ -1186,15 +1218,12 @@ class VideoDetailController extends GetxController
       .auto =>
         !sub.first.lan.startsWith('ai') ||
                 (PlatformUtils.isMobile &&
-                        (await FlutterVolumeController.getVolume() ?? 0.0) <=
+                    (await FlutterVolumeController.getVolume() ?? 0.0) <= 0.0)
-                            0.0)
             ? 1
             : 0,
     };
     await setSubtitle(idx);
   }
-    }
-  }
 
   void updateMediaListHistory(int aid) {
     if (args['sortField'] != null) {