Initial commit

2026-07-14 11:11:36 +08:00
commit 656499cf94
604 changed files with 119518 additions and 0 deletions
@@ -0,0 +1,78 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+
+import '../../../core/infra/player_engine/player_engine.dart';
+
+class PlayerPlayPauseButton extends StatefulWidget {
+  final PlayerEngine player;
+
+
+  final double? iconSize;
+
+
+  final BoxConstraints? constraints;
+
+  const PlayerPlayPauseButton({
+    super.key,
+    required this.player,
+    this.iconSize,
+    this.constraints,
+  });
+
+  @override
+  State<PlayerPlayPauseButton> createState() => _PlayerPlayPauseButtonState();
+}
+
+class _PlayerPlayPauseButtonState extends State<PlayerPlayPauseButton> {
+  late bool _playing;
+  StreamSubscription<bool>? _sub;
+
+  @override
+  void initState() {
+    super.initState();
+    _playing = widget.player.state.playing;
+    _sub = widget.player.stream.playing.listen((playing) {
+      if (mounted) setState(() => _playing = playing);
+    });
+  }
+
+  @override
+  void didUpdateWidget(covariant PlayerPlayPauseButton oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.player != widget.player) {
+      unawaited(_sub?.cancel());
+      _playing = widget.player.state.playing;
+      _sub = widget.player.stream.playing.listen((playing) {
+        if (mounted) setState(() => _playing = playing);
+      });
+    }
+  }
+
+  @override
+  void dispose() {
+    unawaited(_sub?.cancel());
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return IconButton(
+      tooltip: _playing ? '暂停' : '播放',
+      constraints: widget.constraints,
+      padding: widget.constraints != null ? EdgeInsets.zero : null,
+      onPressed: () {
+        if (_playing) {
+          unawaited(widget.player.pause());
+        } else {
+          unawaited(widget.player.play());
+        }
+      },
+      icon: Icon(
+        _playing ? Icons.pause : Icons.play_arrow,
+        color: Colors.white,
+        size: widget.iconSize ?? 30,
+      ),
+    );
+  }
+}