FloatingIcon 加入拖动的动画，以及自动吸附
This commit is contained in:
@@ -135,7 +135,9 @@ class _ChatFooterState extends State<ChatFooter>
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Padding(
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padding: const EdgeInsets.only(bottom: 12, right: 16),
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child: GestureDetector(
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onTap: () {},
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onTap: () {
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},
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child: Image.asset(
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'assets/images/keyboard_mini.png',package: 'ai_chat_assistant',
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width: 24,
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@@ -4,7 +4,7 @@ import '../services/message_service.dart';
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import '../screens/full_screen.dart';
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import '../screens/part_screen.dart';
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import 'floating_icon_with_wave.dart';
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import 'dart:async'; // 添加此行
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import 'dart:async';
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import 'package:basic_intl/intl.dart';
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class FloatingIcon extends StatefulWidget {
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@@ -14,15 +14,25 @@ class FloatingIcon extends StatefulWidget {
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State<FloatingIcon> createState() => _FloatingIconState();
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}
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class _FloatingIconState extends State<FloatingIcon>
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with SingleTickerProviderStateMixin {
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class _FloatingIconState extends State<FloatingIcon> with TickerProviderStateMixin {
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Offset _position = const Offset(10, 120);
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final iconSize = 80.0;
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bool _isShowPartScreen = false;
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bool _isDragging = false;
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bool _isAnimating = false;
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Offset _targetPosition = const Offset(10, 120);
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// 水波纹动画控制器
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late AnimationController _waveAnimationController;
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// PartScreen 显示动画控制器
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late AnimationController _partScreenAnimationController;
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// 图片切换定时器
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Timer? _imageTimer;
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// 添加长按状态标记
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bool _isLongPressing = false;
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// 新增：图片切换相关
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// 图片切换相关
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int _imageIndex = 0;
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late final List<String> _iconImages = [
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'assets/images/ai1_hd.png',
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@@ -33,7 +43,6 @@ class _FloatingIconState extends State<FloatingIcon>
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'assets/images/ai1_hd_en.png',
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'assets/images/ai0_hd_en.png',
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];
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Timer? _imageTimer; // 用于定时切换图片
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@override
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void initState() {
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@@ -42,18 +51,28 @@ class _FloatingIconState extends State<FloatingIcon>
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duration: const Duration(milliseconds: 1000),
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vsync: this,
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);
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// 使用Timer.periodic定时切换图片
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// PartScreen动画控制器
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_partScreenAnimationController = AnimationController(
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duration: const Duration(milliseconds: 250),
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vsync: this,
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);
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// 图片切换定时器
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_imageTimer = Timer.periodic(const Duration(seconds: 3), (timer) {
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setState(() {
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_imageIndex = (_imageIndex + 1) % _iconImages.length;
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});
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if (mounted && !_isDragging) {
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setState(() {
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_imageIndex = (_imageIndex + 1) % _iconImages.length;
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});
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}
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});
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}
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@override
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void dispose() {
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_waveAnimationController.dispose();
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_imageTimer?.cancel(); // 释放Timer
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_partScreenAnimationController.dispose();
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_imageTimer?.cancel();
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super.dispose();
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}
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@@ -61,14 +80,20 @@ class _FloatingIconState extends State<FloatingIcon>
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setState(() {
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_isShowPartScreen = true;
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});
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_partScreenAnimationController.forward();
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}
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void _hidePartScreen() {
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setState(() {
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_isShowPartScreen = false;
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_partScreenAnimationController.reverse().then((_) {
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if (mounted) {
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setState(() {
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_isShowPartScreen = false;
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});
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}
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});
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}
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// 显示全屏界面
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void _showFullScreen() async {
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_hidePartScreen();
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await Navigator.of(context).push(
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@@ -78,50 +103,106 @@ class _FloatingIconState extends State<FloatingIcon>
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);
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}
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// 更新位置
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void _updatePosition(Offset delta) {
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if (!_isDragging) return;
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setState(() {
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final screenSize = MediaQuery.of(context).size;
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double newX =
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(_position.dx - delta.dx).clamp(0.0, screenSize.width - iconSize);
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double newY =
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(_position.dy - delta.dy).clamp(0.0, screenSize.height - iconSize);
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double newX = (_position.dx - delta.dx).clamp(0.0, screenSize.width - iconSize);
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double newY = (_position.dy - delta.dy).clamp(0.0, screenSize.height - iconSize);
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_position = Offset(newX, newY);
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});
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}
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// 吸附到屏幕边缘
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void _snapToEdge() {
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final screenSize = MediaQuery.of(context).size;
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final centerX = screenSize.width / 2;
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// 判断应该吸到左边还是右边
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final shouldSnapToLeft = _position.dx < centerX - iconSize / 2;
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final targetX = shouldSnapToLeft ? 0.0 : screenSize.width - iconSize;
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setState(() {
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_targetPosition = Offset(targetX, _position.dy);
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_isAnimating = true;
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});
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// 使用定时器在动画完成后更新状态
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Timer(const Duration(milliseconds: 100), () {
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if (mounted) {
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setState(() {
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_position = _targetPosition;
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_isAnimating = false;
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});
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}
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});
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}
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void _onPanStart(DragStartDetails details) {
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_isDragging = true;
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_waveAnimationController.stop();
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}
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void _onPanEnd(DragEndDetails details) {
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_isDragging = false;
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_snapToEdge();
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}
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@override
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Widget build(BuildContext context) {
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// 奇怪的代码，不应该放在build里面
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// WidgetsBinding.instance.addPostFrameCallback((_) {
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// if (messageService.isRecording) {
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// if (!_waveAnimationController.isAnimating) {
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// _waveAnimationController.repeat();
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// }
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// } else {
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// if (_waveAnimationController.isAnimating) {
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// _waveAnimationController.stop();
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// }
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// }
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// });
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return Stack(
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children: [
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if (_isShowPartScreen)
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PartScreen(
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onHide: _hidePartScreen,
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FadeTransition(
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opacity: _partScreenAnimationController,
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child: SlideTransition(
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position: Tween<Offset>(
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begin: const Offset(0, 0.3),
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end: Offset.zero,
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).animate(CurvedAnimation(
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parent: _partScreenAnimationController,
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curve: Curves.easeOutQuart,
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)),
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child: PartScreen(
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onHide: _hidePartScreen,
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floatingIconPosition: _position,
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iconSize: iconSize,
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)),
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),
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Positioned(
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bottom: _position.dy,
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right: _position.dx,
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AnimatedPositioned(
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duration: const Duration(milliseconds: 250),
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curve: Curves.easeOutBack,
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bottom: _isAnimating ? _targetPosition.dy : _position.dy,
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right: _isAnimating ? _targetPosition.dx : _position.dx,
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child: Consumer<MessageService>(
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builder: (context, messageService, child) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (messageService.isRecording) {
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if (!_waveAnimationController.isAnimating) {
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_waveAnimationController.repeat();
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}
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} else {
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if (_waveAnimationController.isAnimating) {
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_waveAnimationController.stop();
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}
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}
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});
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return GestureDetector(
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onTap: _showFullScreen,
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onLongPress: () async {
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debugPrint('Long press');
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_isLongPressing = true; // 标记开始长按
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_showPartScreen();
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_waveAnimationController.repeat();
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await messageService.startVoiceInput();
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},
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onLongPressUp: () async {
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debugPrint('Long press up');
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_isLongPressing = false; // 清除长按标记
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_waveAnimationController.stop();
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await messageService.stopAndProcessVoiceInput();
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final hasMessage = messageService.messages.isNotEmpty;
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@@ -129,23 +210,49 @@ class _FloatingIconState extends State<FloatingIcon>
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_hidePartScreen();
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}
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},
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onPanUpdate: (details) => _updatePosition(details.delta),
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child: messageService.isRecording
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? FloatingIconWithWave(
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animationController: _waveAnimationController,
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iconSize: iconSize,
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waveColor: Colors.white,
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)
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: Image.asset(
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Intl.getCurrentLocale().startsWith('zh')
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? _iconImages[_imageIndex]:_iconImagesEn[_imageIndex],
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width: iconSize,
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height: iconSize,package: 'ai_chat_assistant',
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),
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onLongPressEnd: (d) {
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debugPrint('Long press end $d');
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_isLongPressing = false; // 清除长按标记
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},
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onPanStart: (details) {
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// 只有在非长按状态下才允许拖拽
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if (!_isLongPressing) {
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_onPanStart(details);
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}
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},
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onPanUpdate: (details) {
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// 只有在拖拽状态下才更新位置
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if (_isDragging && !_isLongPressing) {
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_updatePosition(details.delta);
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}
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},
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onPanEnd: (details) {
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if (!_isLongPressing) {
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_onPanEnd(details);
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}
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},
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child: AnimatedScale(
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scale: _isDragging ? 1.1 : 1.0,
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duration: const Duration(milliseconds: 150),
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child: messageService.isRecording
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? FloatingIconWithWave(
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animationController: _waveAnimationController,
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iconSize: iconSize,
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waveColor: Colors.white,
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)
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: Image.asset(
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Intl.getCurrentLocale().startsWith('zh')
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? _iconImages[_imageIndex]
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: _iconImagesEn[_imageIndex],
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width: iconSize,
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height: iconSize,
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package: 'ai_chat_assistant',
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),
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),
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);
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},
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),
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),
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)
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],
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);
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}
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