二次开发源码提交

2026-05-15 08:52:48 +08:00
parent 4131f7321a
commit eb35a1d067
191 changed files with 34566 additions and 0 deletions
@@ -0,0 +1,114 @@
+import 'package:flutter/material.dart';
+import 'package:media_kit/media_kit.dart';
+import 'package:media_kit_video/media_kit_video.dart';
+import '../../../data/models/file_model.dart';
+import '../../../services/file_service.dart';
+import 'widgets/video_controls_overlay.dart';
+
+/// 视频预览页面
+class VideoPreviewPage extends StatefulWidget {
+  final FileModel file;
+  final String? entityId;
+
+  const VideoPreviewPage({super.key, required this.file, this.entityId});
+
+  @override
+  State<VideoPreviewPage> createState() => _VideoPreviewPageState();
+}
+
+class _VideoPreviewPageState extends State<VideoPreviewPage> {
+  late final Player player;
+  late final VideoController controller;
+  bool _isLoading = true;
+  String? _errorMessage;
+
+  @override
+  void initState() {
+    super.initState();
+    player = Player();
+    controller = VideoController(player);
+    _loadVideoUrl();
+  }
+
+  Future<void> _loadVideoUrl() async {
+    try {
+      final response = await FileService().getDownloadUrls(
+        uris: [widget.file.relativePath],
+        download: false,
+        entity: widget.entityId,
+      );
+
+      final urls = response['urls'] as List<dynamic>? ?? [];
+      if (urls.isNotEmpty) {
+        final urlData = urls[0] as Map<String, dynamic>;
+        final url = urlData['url'] as String;
+
+        if (mounted) {
+          setState(() => _isLoading = false);
+          player.open(Media(url), play: true);
+        }
+      } else {
+        if (mounted) {
+          setState(() {
+            _errorMessage = '无法获取视频URL';
+            _isLoading = false;
+          });
+        }
+      }
+    } catch (e) {
+      if (mounted) {
+        setState(() {
+          _errorMessage = e.toString();
+          _isLoading = false;
+        });
+      }
+    }
+  }
+
+  @override
+  void dispose() {
+    player.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Colors.black,
+      body: _isLoading
+          ? const Center(child: CircularProgressIndicator(color: Colors.white))
+          : _errorMessage != null
+              ? Center(
+                  child: Column(
+                    mainAxisAlignment: MainAxisAlignment.center,
+                    children: [
+                      const Icon(Icons.error_outline, size: 64, color: Colors.white),
+                      const SizedBox(height: 16),
+                      Text(
+                        _errorMessage!,
+                        textAlign: TextAlign.center,
+                        style: const TextStyle(color: Colors.white70),
+                      ),
+                      const SizedBox(height: 16),
+                      FilledButton(
+                        onPressed: () {
+                          setState(() {
+                            _isLoading = true;
+                            _errorMessage = null;
+                          });
+                          _loadVideoUrl();
+                        },
+                        child: const Text('重试'),
+                      ),
+                    ],
+                  ),
+                )
+              : ExcludeSemantics(
+                  child: Video(
+                    controller: controller,
+                    controls: (state) => VideoControlsOverlay(state: state, title: widget.file.name),
+                  ),
+                ),
+    );
+  }
+}