Initial commit

2026-07-14 11:11:36 +08:00
commit 656499cf94
604 changed files with 119518 additions and 0 deletions
@@ -0,0 +1,99 @@
+import 'dart:async';
+import 'dart:ui' as ui;
+
+import 'package:flutter/material.dart';
+
+import '../../../core/infra/player_engine/player_engine.dart';
+import '../../../shared/utils/format_utils.dart';
+
+class PlayerPositionIndicator extends StatefulWidget {
+  final PlayerEngine player;
+
+
+  final ValueNotifier<Duration?>? seekPreview;
+
+  const PlayerPositionIndicator({
+    super.key,
+    required this.player,
+    this.seekPreview,
+  });
+
+  @override
+  State<PlayerPositionIndicator> createState() =>
+      _PlayerPositionIndicatorState();
+}
+
+class _PlayerPositionIndicatorState extends State<PlayerPositionIndicator> {
+  late Duration _position;
+  late Duration _duration;
+  StreamSubscription<Duration>? _posSub;
+  StreamSubscription<Duration>? _durSub;
+
+  @override
+  void initState() {
+    super.initState();
+    _position = widget.player.state.position;
+    _duration = widget.player.state.duration;
+    _posSub = widget.player.stream.position.listen((position) {
+      if (mounted) setState(() => _position = position);
+    });
+    _durSub = widget.player.stream.duration.listen((duration) {
+      if (mounted) setState(() => _duration = duration);
+    });
+  }
+
+  @override
+  void didUpdateWidget(covariant PlayerPositionIndicator oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.player != widget.player) {
+      unawaited(_posSub?.cancel());
+      unawaited(_durSub?.cancel());
+      _position = widget.player.state.position;
+      _duration = widget.player.state.duration;
+      _posSub = widget.player.stream.position.listen((position) {
+        if (mounted) setState(() => _position = position);
+      });
+      _durSub = widget.player.stream.duration.listen((duration) {
+        if (mounted) setState(() => _duration = duration);
+      });
+    }
+  }
+
+  @override
+  void dispose() {
+    unawaited(_posSub?.cancel());
+    unawaited(_durSub?.cancel());
+    super.dispose();
+  }
+
+  Widget _buildText(Duration position, Duration duration) {
+    return SizedBox(
+      width: 126,
+      child: Text(
+        '${formatDurationClock(position)} / ${formatDurationClock(duration)}',
+        textAlign: TextAlign.center,
+        style: const TextStyle(
+          color: Colors.white70,
+          fontSize: 13,
+          fontFeatures: [ui.FontFeature.tabularFigures()],
+        ),
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final seekPreview = widget.seekPreview;
+    if (seekPreview != null) {
+      return ValueListenableBuilder<Duration?>(
+        valueListenable: seekPreview,
+        builder: (context, preview, _) {
+          final displayPos = preview ?? _position;
+          return _buildText(displayPos, _duration);
+        },
+      );
+    }
+    return _buildText(_position, _duration);
+  }
+
+}