feat(desktop): 增加桌面端系统托盘和窗口管理功能
- 主函数中添加窗口管理初始化，支持Windows、Linux和MacOS平台 - HomeScreen中集成托盘服务和窗口服务，实现托盘菜单交互 - 实现窗口关闭时弹出对话框，支持最小化到托盘或退出程序 - 添加托盘服务TrayService，封装系统托盘图标和菜单的初始化、事件处理 - 添加窗口服务WindowService，实现窗口的显示、隐藏、关闭及事件监听 - 在界面添加最小化到托盘的按钮，仅桌面端显示 - pubspec.yaml添加assets目录，包含托盘图标资源文件
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218
home_monitor/lib/services/tray_service.dart
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218
home_monitor/lib/services/tray_service.dart
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import 'dart:io';
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import 'dart:ui';
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import 'package:flutter/foundation.dart';
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import 'package:system_tray/system_tray.dart';
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import 'package:window_manager/window_manager.dart';
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/// 系统托盘服务
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class TrayService {
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static final TrayService _instance = TrayService._internal();
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factory TrayService() => _instance;
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TrayService._internal();
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final SystemTray _systemTray = SystemTray();
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bool _isInitialized = false;
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// 回调函数
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VoidCallback? onShow;
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VoidCallback? onHide;
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VoidCallback? onExit;
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VoidCallback? onRefresh;
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/// 是否支持系统托盘（仅桌面平台）
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bool get isSupported => !kIsWeb && (Platform.isWindows || Platform.isLinux || Platform.isMacOS);
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/// 初始化系统托盘
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Future<void> init({
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VoidCallback? onShow,
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VoidCallback? onHide,
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VoidCallback? onExit,
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VoidCallback? onRefresh,
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}) async {
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if (!isSupported || _isInitialized) return;
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this.onShow = onShow;
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this.onHide = onHide;
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this.onExit = onExit;
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this.onRefresh = onRefresh;
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try {
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// 初始化托盘图标
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String iconPath = Platform.isWindows
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? 'assets/app_icon.ico'
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: 'assets/app_icon.png';
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await _systemTray.initSystemTray(
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title: '家庭网络监控',
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iconPath: iconPath,
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toolTip: '家庭网络监控 - 运行中',
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);
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// 创建右键菜单
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final menu = Menu();
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await menu.buildFrom([
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MenuItemLabel(
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label: '显示窗口',
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onClicked: (menuItem) => _handleShow(),
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),
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MenuItemLabel(
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label: '隐藏窗口',
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onClicked: (menuItem) => _handleHide(),
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),
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MenuSeparator(),
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MenuItemLabel(
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label: '刷新状态',
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onClicked: (menuItem) => _handleRefresh(),
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),
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MenuSeparator(),
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MenuItemLabel(
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label: '退出程序',
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onClicked: (menuItem) => _handleExit(),
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),
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]);
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await _systemTray.setContextMenu(menu);
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// 注册托盘事件
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_systemTray.registerSystemTrayEventHandler((eventName) {
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if (eventName == kSystemTrayEventClick) {
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// 单击托盘图标显示窗口
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_handleShow();
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} else if (eventName == kSystemTrayEventRightClick) {
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// 右键显示菜单
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_systemTray.popUpContextMenu();
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}
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});
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_isInitialized = true;
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} catch (e) {
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debugPrint('系统托盘初始化失败: $e');
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}
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}
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/// 更新托盘提示文字
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Future<void> updateToolTip(String message) async {
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if (!_isInitialized) return;
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await _systemTray.setToolTip('家庭网络监控 - $message');
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}
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/// 更新托盘标题
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Future<void> updateTitle(String title) async {
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if (!_isInitialized) return;
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await _systemTray.setTitle(title);
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}
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void _handleShow() {
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onShow?.call();
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}
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void _handleHide() {
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onHide?.call();
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}
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void _handleExit() {
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onExit?.call();
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}
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void _handleRefresh() {
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onRefresh?.call();
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}
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/// 销毁托盘
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Future<void> destroy() async {
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if (!_isInitialized) return;
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await _systemTray.destroy();
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_isInitialized = false;
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}
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}
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/// 窗口管理服务
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class WindowService with WindowListener {
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static final WindowService _instance = WindowService._internal();
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factory WindowService() => _instance;
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WindowService._internal();
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bool _isInitialized = false;
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VoidCallback? onCloseRequested;
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/// 是否支持窗口管理
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bool get isSupported => !kIsWeb && (Platform.isWindows || Platform.isLinux || Platform.isMacOS);
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/// 初始化窗口管理
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Future<void> init({VoidCallback? onCloseRequested}) async {
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if (!isSupported || _isInitialized) return;
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this.onCloseRequested = onCloseRequested;
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await windowManager.ensureInitialized();
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// 配置窗口选项
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const windowOptions = WindowOptions(
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size: Size(420, 700),
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minimumSize: Size(350, 500),
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center: true,
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backgroundColor: Color(0x00000000),
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skipTaskbar: false,
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titleBarStyle: TitleBarStyle.normal,
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title: '家庭网络监控',
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);
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await windowManager.waitUntilReadyToShow(windowOptions, () async {
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await windowManager.show();
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await windowManager.focus();
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});
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// 添加窗口监听器
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windowManager.addListener(this);
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// 阻止默认关闭行为
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await windowManager.setPreventClose(true);
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_isInitialized = true;
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}
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/// 显示窗口
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Future<void> showWindow() async {
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if (!isSupported) return;
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await windowManager.show();
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await windowManager.focus();
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}
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/// 隐藏窗口（最小化到托盘）
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Future<void> hideWindow() async {
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if (!isSupported) return;
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await windowManager.hide();
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}
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/// 最小化窗口
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Future<void> minimizeWindow() async {
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if (!isSupported) return;
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await windowManager.minimize();
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}
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/// 关闭窗口
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Future<void> closeWindow() async {
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if (!isSupported) return;
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await windowManager.destroy();
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}
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/// 设置窗口始终置顶
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Future<void> setAlwaysOnTop(bool isAlwaysOnTop) async {
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if (!isSupported) return;
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await windowManager.setAlwaysOnTop(isAlwaysOnTop);
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}
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/// 窗口关闭事件
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@override
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void onWindowClose() {
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onCloseRequested?.call();
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}
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/// 销毁
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void dispose() {
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if (_isInitialized) {
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windowManager.removeListener(this);
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}
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}
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}
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