实现未读消息的全局事件处理

src/App.vue

@@ -6,6 +6,7 @@ import api from '@/api'
 import { useAuthStore } from '@/stores/auth'
 import { getBrowserLocale, setI18nLanguage } from './plugins/i18n'
 import { SupportedLocale } from '@/types/i18n'
+import { checkAndEmitUnreadMessages } from '@/utils/badge'
 
 // 生效主题
 const { global: globalTheme } = useTheme()
@@ -172,6 +173,11 @@ onMounted(async () => {
       setTimeout(() => {
         // 移除加载动画，显示页面
         animateAndRemoveLoader()
+
+        // 页面完全显示后，检查未读消息
+        setTimeout(() => {
+          checkAndEmitUnreadMessages()
+        }, 1000)
       }, 1500)
     })
   })
@@ -180,6 +186,10 @@ onMounted(async () => {
   document.addEventListener('visibilitychange', () => {
     if (document.visibilityState === 'visible') {
       loadBackgroundImages()
+      // 页面恢复可见时检查未读消息
+      setTimeout(() => {
+        checkAndEmitUnreadMessages()
+      }, 500)
     }
   })
 
@@ -188,6 +198,10 @@ onMounted(async () => {
     // persisted属性为true表示页面是从bfcache中恢复的
     if (event.persisted) {
       loadBackgroundImages()
+      // PWA恢复时检查未读消息
+      setTimeout(() => {
+        checkAndEmitUnreadMessages()
+      }, 500)
     }
   })
 })

src/layouts/components/DefaultLayout.vue

@@ -13,7 +13,7 @@ import { NavMenu } from '@/@layouts/types'
 import { useDisplay } from 'vuetify'
 import { useI18n } from 'vue-i18n'
 import { filterMenusByPermission } from '@/utils/permission'
-import { checkUnreadOnStartup } from '@/utils/badge'
+import { onUnreadMessage } from '@/utils/badge'
 
 const display = useDisplay()
 const appMode = inject('pwaMode')
@@ -28,9 +28,6 @@ const superUser = computed(() => userStore.superUser)
 // ShortcutBar 引用
 const shortcutBarRef = ref<InstanceType<typeof ShortcutBar> | null>(null)
 
-// 未读消息检查状态
-const hasCheckedUnread = ref(false)
-
 // 获取用户权限信息
 const userPermissions = computed(() => ({
   is_superuser: userStore.superUser,
@@ -65,57 +62,18 @@ function goBack() {
   history.back()
 }
 
-// 检查未读消息并自动打开消息弹窗
-async function checkUnreadMessages() {
-  if (!superUser.value || hasCheckedUnread.value) {
-    return // 只有超级用户才能看到消息，且每次会话只检查一次
-  }
-
-  hasCheckedUnread.value = true
-
-  try {
-    const unreadCount = await checkUnreadOnStartup()
-
-    if (unreadCount > 0) {
-      // 等待组件完全加载并重试打开消息弹窗
-      await waitAndOpenMessageDialog()
-    }
-  } catch (error) {
-    // 静默处理错误
+// 处理未读消息事件
+function handleUnreadMessage(count: number) {
+  if (superUser.value && count > 0) {
+    // 延迟一点时间确保组件已渲染
+    setTimeout(() => {
+      if (shortcutBarRef.value && typeof shortcutBarRef.value.openMessageDialog === 'function') {
+        shortcutBarRef.value.openMessageDialog()
+      }
+    }, 500)
   }
 }
 
-// 等待组件准备好并打开消息弹窗
-async function waitAndOpenMessageDialog() {
-  const maxRetries = 5
-  const retryDelay = 1000 // 1秒
-
-  for (let i = 0; i < maxRetries; i++) {
-    // 等待一段时间确保组件加载完成
-    await new Promise(resolve => setTimeout(resolve, retryDelay * (i + 1)))
-
-    // 检查ShortcutBar组件是否已经准备好
-    if (shortcutBarRef.value && typeof shortcutBarRef.value.openMessageDialog === 'function') {
-      shortcutBarRef.value.openMessageDialog()
-      return // 成功打开，退出重试循环
-    }
-  }
-}
-
-// 监听用户状态变化
-watch(
-  superUser,
-  newValue => {
-    if (newValue && !hasCheckedUnread.value) {
-      // 用户状态变为超级用户且还没检查过未读消息时，延迟检查
-      setTimeout(() => {
-        checkUnreadMessages()
-      }, 1000)
-    }
-  },
-  { immediate: true },
-)
-
 onMounted(() => {
   // 获取菜单列表
   startMenus.value = getMenuList(t('menu.start'))
@@ -124,11 +82,12 @@ onMounted(() => {
   organizeMenus.value = getMenuList(t('menu.organize'))
   systemMenus.value = getMenuList(t('menu.system'))
 
-  // 延迟检查未读消息，确保所有组件都已加载完成
-  nextTick(() => {
-    setTimeout(() => {
-      checkUnreadMessages()
-    }, 2000) // 增加延迟时间到2秒
+  // 监听全局未读消息事件
+  const unsubscribe = onUnreadMessage(handleUnreadMessage)
+
+  // 组件卸载时清理监听
+  onBeforeUnmount(() => {
+    unsubscribe()
   })
 })
 </script>

src/utils/badge.ts

@@ -2,6 +2,27 @@
  * PWA 徽章管理工具
  */
 
+// 全局事件类型
+interface UnreadMessageEvent extends CustomEvent {
+  detail: { count: number }
+}
+
+// 发送全局未读消息事件
+export function emitUnreadMessageEvent(count: number) {
+  const event = new CustomEvent('unreadMessage', { detail: { count } }) as UnreadMessageEvent
+  window.dispatchEvent(event)
+}
+
+// 监听全局未读消息事件
+export function onUnreadMessage(callback: (count: number) => void) {
+  const handler = (event: Event) => {
+    const unreadEvent = event as UnreadMessageEvent
+    callback(unreadEvent.detail.count)
+  }
+  window.addEventListener('unreadMessage', handler)
+  return () => window.removeEventListener('unreadMessage', handler)
+}
+
 // 等待Service Worker准备就绪
 export async function waitForServiceWorker(): Promise<ServiceWorker | null> {
   if (!('serviceWorker' in navigator)) {
@@ -50,43 +71,31 @@ export async function waitForServiceWorker(): Promise<ServiceWorker | null> {
 // 应用启动时检查未读消息数量
 export async function checkUnreadOnStartup(): Promise<number> {
   try {
-    // 对于PWA应用，冷启动时需要更长的等待时间
-    const isPWAColdStart = !navigator.serviceWorker.controller
-    const initialDelay = isPWAColdStart ? 3000 : 1000
-
-    // 初始延迟，等待应用完全启动
-    await new Promise(resolve => setTimeout(resolve, initialDelay))
-
-    // 等待Service Worker准备就绪
-    const sw = await waitForServiceWorker()
-    if (!sw) {
+    // 检查Service Worker是否可用
+    if (!('serviceWorker' in navigator) || !navigator.serviceWorker.controller) {
       return 0
     }
 
-    // 额外延迟确保Service Worker完全准备好
-    await new Promise(resolve => setTimeout(resolve, 1000))
-
-    // 重试机制获取未读消息数量
-    for (let i = 0; i < 5; i++) {
-      // 增加重试次数
-      try {
-        const unreadCount = await getUnreadCount()
-        if (unreadCount >= 0) {
-          // 确保返回有效数字
-          return unreadCount
-        }
-      } catch (error) {
-        if (i === 4) throw error // 最后一次重试失败则抛出错误
-        await new Promise(resolve => setTimeout(resolve, 1000 * (i + 1))) // 递增等待时间
-      }
-    }
-
-    return 0
+    // 获取未读消息数量
+    const unreadCount = await getUnreadCount()
+    return unreadCount
   } catch (error) {
     return 0
   }
 }
 
+// 应用启动检查并触发事件
+export async function checkAndEmitUnreadMessages() {
+  try {
+    const count = await checkUnreadOnStartup()
+    if (count > 0) {
+      emitUnreadMessageEvent(count)
+    }
+  } catch (error) {
+    // 静默处理错误
+  }
+}
+
 // 清除桌面图标徽章
 export async function clearAppBadge(): Promise<boolean> {
   try {