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502 lines
19 KiB
502 lines
19 KiB
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import '../controllers/agent_controller.dart';
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import 'message_bubble.dart';
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class AgentView extends StatelessWidget {
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const AgentView({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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final controller = Get.find<AgentController>();
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return Scaffold(
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appBar: AppBar(
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title: Row(
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children: [
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Container(
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width: 40,
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height: 40,
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decoration: BoxDecoration(
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color: Theme.of(context).primaryColor,
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borderRadius: BorderRadius.circular(20),
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),
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child: const Icon(
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Icons.smart_toy_outlined,
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color: Colors.white,
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),
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),
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const SizedBox(width: 10),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'DeepVoice AI',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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),
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),
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Row(
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children: [
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Container(
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width: 8,
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height: 8,
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decoration: BoxDecoration(
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color: Colors.green,
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borderRadius: BorderRadius.circular(4),
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),
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),
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const SizedBox(width: 4),
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Text(
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'在线',
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style: TextStyle(
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fontSize: 12,
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color: Colors.green,
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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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actions: [
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PopupMenuButton(
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icon: const Icon(Icons.more_vert),
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itemBuilder: (context) => [
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PopupMenuItem(
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child: const Text('清除聊天记录'),
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onTap: () => controller.clearChat(),
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),
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],
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),
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],
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),
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body: Column(
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children: [
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// 聊天内容
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Expanded(
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child: Obx(
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() => ListView.builder(
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controller: controller.scrollController,
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reverse: false,
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padding: const EdgeInsets.all(16),
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itemCount: controller.messages.length,
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itemBuilder: (context, index) {
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final message = controller.messages[index];
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return MessageBubble(
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isUser: message.isUser,
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message: message.text,
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timestamp: message.timestamp,
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isRecognizing: message.isRecognizing,
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hasImage: message.hasImage,
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imagePath: message.imagePath,
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);
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},
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),
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),
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),
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// 输入区域
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Theme.of(context).scaffoldBackgroundColor,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 5,
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offset: const Offset(0, -1),
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),
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],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// 图片预览区域 - 仅在图片输入模式下显示
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Obx(() {
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if (controller.isImageInputActive.value && controller.selectedImagePath.value != null) {
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return Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// 图片预览和关闭按钮
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Stack(
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children: [
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ClipRRect(
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borderRadius: BorderRadius.circular(12),
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child: Image.file(
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File(controller.selectedImagePath.value!),
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height: 150,
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width: double.infinity,
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fit: BoxFit.cover,
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),
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),
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Positioned(
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top: 8,
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right: 8,
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child: GestureDetector(
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onTap: () => controller.clearImageInput(),
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child: Container(
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padding: EdgeInsets.all(4),
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decoration: BoxDecoration(
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color: Colors.black.withOpacity(0.6),
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shape: BoxShape.circle,
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),
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child: Icon(
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Icons.close,
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color: Colors.white,
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size: 16,
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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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// 预设提示选项
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SizedBox(height: 8),
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SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: Row(
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children: [
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_buildPromptChip(
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context: context,
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label: '总结图片内容',
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onTap: () => controller.summarizeImage(),
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),
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SizedBox(width: 8),
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_buildPromptChip(
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context: context,
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label: '抽取图像文字',
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onTap: () => controller.extractTextFromImage(),
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),
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SizedBox(width: 8),
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_buildPromptChip(
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context: context,
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label: '翻译图像文字',
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onTap: () => controller.translateImageText(),
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),
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],
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),
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),
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SizedBox(height: 12),
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],
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);
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} else {
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return SizedBox.shrink();
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}
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}),
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// 输入控件行
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Row(
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children: [
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// 键盘/语音切换按钮
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Obx(() {
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final isTextMode = controller.isTextInputMode.value;
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return GestureDetector(
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onTap: () {
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controller.toggleInputMode();
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},
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child: Container(
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width: 48,
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height: 48,
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decoration: BoxDecoration(
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color: Colors.grey[200],
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borderRadius: BorderRadius.circular(24),
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),
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child: Icon(
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isTextMode ? Icons.mic_none : Icons.keyboard,
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color: Colors.grey[600],
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),
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),
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);
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}),
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const SizedBox(width: 8),
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// 文本输入框或语音波形图
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Expanded(
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child: Obx(() {
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final isTextMode = controller.isTextInputMode.value;
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if (isTextMode) {
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// 文本输入模式 - 注意观察图片模式时的高度变化
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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decoration: BoxDecoration(
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color: Colors.grey[200],
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borderRadius: BorderRadius.circular(24),
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),
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child: Row(
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children: [
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Expanded(
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child: Obx(() {
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// 图片模式下使用更高的输入框
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final isImageActive = controller.isImageInputActive.value;
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return TextField(
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controller: controller.textController,
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maxLines: isImageActive ? 2 : 1,
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minLines: isImageActive ? 2 : 1,
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decoration: InputDecoration(
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hintText: isImageActive ? '添加对图片的问题或描述...' : '输入消息...',
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border: InputBorder.none,
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contentPadding: EdgeInsets.symmetric(vertical: isImageActive ? 12 : 0),
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),
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onSubmitted: (_) => controller.sendTextMessage(),
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);
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}),
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),
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GestureDetector(
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onTap: () => controller.sendTextMessage(),
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child: Icon(
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Icons.send,
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color: Theme.of(context).primaryColor,
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),
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),
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],
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),
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);
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} else {
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// 语音输入模式 - 始终显示波形图
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return GestureDetector(
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onTap: () {
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if (controller.isListening.value) {
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controller.stopVoiceInput();
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} else {
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controller.startVoiceInput();
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}
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},
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child: Container(
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height: 48,
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padding: const EdgeInsets.symmetric(horizontal: 16),
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decoration: BoxDecoration(
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color: Colors.grey[200],
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borderRadius: BorderRadius.circular(24),
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),
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child: Row(
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children: [
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// 语音波形图 - 始终显示
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Expanded(
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child: Row(
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mainAxisAlignment: MainAxisAlignment.start,
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children: [
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...List.generate(10, (index) {
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return _buildSoundBar(index);
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}),
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const Spacer(),
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// "正在聆听"文字
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Obx(() {
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final isListening = controller.isListening.value;
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return Row(
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children: [
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Icon(
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Icons.mic,
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size: 14,
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color: isListening
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? Theme.of(context).primaryColor
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: Colors.grey,
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),
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const SizedBox(width: 4),
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Text(
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'正在聆听',
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style: TextStyle(
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fontSize: 12,
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color: isListening
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? Theme.of(context).primaryColor
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: Colors.grey,
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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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),
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);
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}
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}),
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),
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const SizedBox(width: 8),
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// 图片选择按钮
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Container(
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width: 48,
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height: 48,
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decoration: BoxDecoration(
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color: Colors.grey[200],
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borderRadius: BorderRadius.circular(24),
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),
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child: PopupMenuButton<String>(
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icon: Icon(
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Icons.add_photo_alternate_outlined,
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color: Colors.grey[600],
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),
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padding: EdgeInsets.zero,
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onSelected: (value) async {
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if (value == 'camera') {
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await controller.takePhoto();
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} else if (value == 'gallery') {
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await controller.pickImage();
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}
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},
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itemBuilder: (context) => [
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PopupMenuItem<String>(
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value: 'camera',
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child: Row(
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children: [
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Icon(Icons.camera_alt, color: Theme.of(context).primaryColor),
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SizedBox(width: 8),
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Text('拍照'),
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],
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),
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),
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PopupMenuItem<String>(
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value: 'gallery',
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child: Row(
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children: [
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Icon(Icons.photo_library, color: Theme.of(context).primaryColor),
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SizedBox(width: 8),
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Text('从相册选择'),
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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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),
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],
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),
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);
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}
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// 构建提示选项芯片
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Widget _buildPromptChip({
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required BuildContext context,
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required String label,
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required VoidCallback onTap,
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}) {
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return GestureDetector(
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onTap: onTap,
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child: Container(
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padding: EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(
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color: Theme.of(context).primaryColor.withOpacity(0.1),
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borderRadius: BorderRadius.circular(16),
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border: Border.all(
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color: Theme.of(context).primaryColor.withOpacity(0.3),
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),
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),
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child: Text(
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label,
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style: TextStyle(
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fontSize: 13,
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color: Theme.of(context).primaryColor,
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fontWeight: FontWeight.w500,
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),
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),
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),
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);
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}
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// 构建声音柱
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Widget _buildSoundBar(int index) {
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 1),
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child: Obx(() => _SoundBar(
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delay: index * 0.1,
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isActive: Get.find<AgentController>().isListening.value,
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)),
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);
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}
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}
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// 声音柱动画组件
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class _SoundBar extends StatefulWidget {
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final double delay;
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final bool isActive;
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const _SoundBar({
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required this.delay,
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required this.isActive,
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});
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@override
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_SoundBarState createState() => _SoundBarState();
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}
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class _SoundBarState extends State<_SoundBar> with SingleTickerProviderStateMixin {
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late AnimationController _controller;
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late Animation<double> _animation;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 500),
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);
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_animation = Tween<double>(begin: 3, end: 15).animate(
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CurvedAnimation(
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parent: _controller,
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curve: Curves.easeInOut,
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),
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)..addListener(() {
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setState(() {});
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});
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_startOrStopAnimation();
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}
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@override
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void didUpdateWidget(_SoundBar oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (widget.isActive != oldWidget.isActive) {
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_startOrStopAnimation();
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}
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}
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void _startOrStopAnimation() {
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if (widget.isActive) {
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Future.delayed(Duration(milliseconds: (widget.delay * 1000).toInt()), () {
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if (mounted && widget.isActive) {
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_controller.repeat(reverse: true);
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}
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});
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} else {
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_controller.reset();
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// 设置为小高度的静态状态
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_controller.animateTo(0.1, duration: Duration(milliseconds: 300));
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}
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Container(
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width: 2,
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height: widget.isActive ? _animation.value : 3,
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decoration: BoxDecoration(
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color: widget.isActive ? Theme.of(context).primaryColor : Colors.grey[400],
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borderRadius: BorderRadius.circular(1),
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),
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);
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}
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}
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