feat: 简单实现字幕功能

lib/pages/video/detail/controller.dart

@@ -20,7 +20,6 @@ import 'package:pilipala/utils/utils.dart';
 import 'package:pilipala/utils/video_utils.dart';
 import 'package:screen_brightness/screen_brightness.dart';
 
-import '../../../http/index.dart';
 import '../../../models/video/subTitile/content.dart';
 import '../../../http/danmaku.dart';
 import '../../../utils/id_utils.dart';
@@ -98,6 +97,7 @@ class VideoDetailController extends GetxController
   RxList<SubTitileContentModel> subtitleContents =
       <SubTitileContentModel>[].obs;
   late bool enableRelatedVideo;
+  List subtitles = [];
 
   @override
   void onInit() {
@@ -256,6 +256,8 @@ class VideoDetailController extends GetxController
 
     /// 开启自动全屏时，在player初始化完成后立即传入headerControl
     plPlayerController.headerControl = headerControl;
+
+    plPlayerController.subtitles.value = subtitles;
   }
 
   // 视频链接
@@ -398,30 +400,38 @@ class VideoDetailController extends GetxController
     var result = await VideoHttp.getSubtitle(bvid: bvid, cid: cid.value);
     if (result['status']) {
       if (result['data'].subtitles.isNotEmpty) {
-        SmartDialog.showToast('字幕加载中...');
-        var subtitle = result['data'].subtitles.first;
-        getSubtitleContent(subtitle.subtitleUrl);
+        subtitles = result['data'].subtitles;
+        if (subtitles.isNotEmpty) {
+          for (var i in subtitles) {
+            final Map<String, dynamic> res = await VideoHttp.getSubtitleContent(
+              i.subtitleUrl,
+            );
+            i.content = res['content'];
+            i.body = res['body'];
+          }
+        }
       }
       return result['data'];
-    } else {
-      SmartDialog.showToast(result['msg'].toString());
     }
   }
 
   // 获取字幕内容
-  Future getSubtitleContent(String url) async {
-    var res = await Request().get('https:$url');
-    subtitleContents.value = res.data['body'].map<SubTitileContentModel>((e) {
-      return SubTitileContentModel.fromJson(e);
-    }).toList();
-    setSubtitleContent();
-  }
+  // Future getSubtitleContent(String url) async {
+  //   var res = await Request().get('https:$url');
+  //   subtitleContents.value = res.data['body'].map<SubTitileContentModel>((e) {
+  //     return SubTitileContentModel.fromJson(e);
+  //   }).toList();
+  //   setSubtitleContent();
+  // }
 
   setSubtitleContent() {
     plPlayerController.subtitleContent.value = '';
-    if (subtitleContents.isNotEmpty) {
-      plPlayerController.subtitleContents = subtitleContents;
-    }
+    plPlayerController.subtitles.value = subtitles;
+  }
+
+  clearSubtitleContent() {
+    plPlayerController.subtitleContent.value = '';
+    plPlayerController.subtitles.value = [];
   }
 
   /// 发送弹幕

lib/pages/video/detail/view.dart

@@ -212,6 +212,7 @@ class _VideoDetailPageState extends State<VideoDetailPage>
       videoIntroController.isPaused = true;
       plPlayerController!.removeStatusLister(playerListener);
       plPlayerController!.pause();
+      vdCtr.clearSubtitleContent();
     }
     setState(() => isShowing = false);
     super.didPushNext();

lib/pages/video/detail/widgets/header_control.dart

@@ -344,6 +344,56 @@ class _HeaderControlState extends State<HeaderControl> {
     );
   }
 
+  /// 选择字幕
+  void showSubtitleDialog() async {
+    int tempThemeValue = widget.controller!.subTitleCode.value;
+    int len = widget.videoDetailCtr!.subtitles.length;
+    showDialog(
+        context: context,
+        builder: (BuildContext context) {
+          return AlertDialog(
+            title: const Text('选择字幕'),
+            contentPadding: const EdgeInsets.fromLTRB(0, 12, 0, 18),
+            content: StatefulBuilder(builder: (context, StateSetter setState) {
+              return len == 0
+                  ? const SizedBox(
+                      height: 60,
+                      child: Center(
+                        child: Text('没有字幕'),
+                      ),
+                    )
+                  : Column(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        RadioListTile(
+                          value: -1,
+                          title: const Text('关闭弹幕'),
+                          groupValue: tempThemeValue,
+                          onChanged: (value) {
+                            tempThemeValue = value!;
+                            widget.controller?.toggleSubtitle(value);
+                            Get.back();
+                          },
+                        ),
+                        ...widget.videoDetailCtr!.subtitles
+                            .map((e) => RadioListTile(
+                                  value: e.code,
+                                  title: Text(e.title),
+                                  groupValue: tempThemeValue,
+                                  onChanged: (value) {
+                                    tempThemeValue = value!;
+                                    widget.controller?.toggleSubtitle(value);
+                                    Get.back();
+                                  },
+                                ))
+                            .toList(),
+                      ],
+                    );
+            }),
+          );
+        });
+  }
+
   /// 选择倍速
   void showSetSpeedSheet() {
     final double currentSpeed = widget.controller!.playbackSpeed;
@@ -1115,6 +1165,31 @@ class _HeaderControlState extends State<HeaderControl> {
             ),
             SizedBox(width: buttonSpace),
           ],
+
+          /// 字幕
+          // SizedBox(
+          //   width: 34,
+          //   height: 34,
+          //   child: IconButton(
+          //     style: ButtonStyle(
+          //       padding: MaterialStateProperty.all(EdgeInsets.zero),
+          //     ),
+          //     onPressed: () => showSubtitleDialog(),
+          //     icon: const Icon(
+          //       Icons.closed_caption_off,
+          //       size: 22,
+          //     ),
+          //   ),
+          // ),
+          ComBtn(
+            icon: const Icon(
+              Icons.closed_caption_off,
+              size: 22,
+              color: Colors.white,
+            ),
+            fuc: () => showSubtitleDialog(),
+          ),
+          SizedBox(width: buttonSpace),
           Obx(
             () => SizedBox(
               width: 45,