Fix #1772

IceCubesApp/App/Main/IceCubesApp+Tabbar.swift

@@ -18,16 +18,6 @@ extension IceCubesApp {
       SoundEffectManager.shared.playSound(.tabSelection)
 
       selectedTab = newTab
-
-      DispatchQueue.main.async {
-        if selectedTab == .notifications,
-           let token = appAccountsManager.currentAccount.oauthToken
-        {
-          userPreferences.notificationsCount[token] = 0
-          watcher.unreadNotificationsCount = 0
-        }
-      }
-
     })) {
       ForEach(availableTabs) { tab in
         tab.makeContentView(popToRootTab: $popToRootTab)
@@ -44,6 +34,7 @@ extension IceCubesApp {
       }
     }
     .id(appAccountsManager.currentClient.id)
+    .environment(\.selectedTab, selectedTab)
   }
 
   private func badgeFor(tab: Tab) -> Int {

IceCubesApp/App/Tabs/NotificationTab.swift

@@ -11,6 +11,7 @@ import Timeline
 struct NotificationsTab: View {
   @Environment(\.isSecondaryColumn) private var isSecondaryColumn: Bool
   @Environment(\.scenePhase) private var scenePhase
+  @Environment(\.selectedTab) private var selectedTab: Tab
 
   @Environment(Theme.self) private var theme
   @Environment(Client.self) private var client
@@ -58,9 +59,7 @@ struct NotificationsTab: View {
     }
     .onAppear {
       routerPath.client = client
-      if isSecondaryColumn {
-        clearNotifications()
-      }
+      clearNotifications()
     }
     .withSafariRouter()
     .environment(routerPath)
@@ -101,7 +100,7 @@ struct NotificationsTab: View {
   }
 
   private func clearNotifications() {
-    if isSecondaryColumn {
+    if selectedTab == .notifications || isSecondaryColumn {
       if let token = appAccount.currentAccount.oauthToken {
         userPreferences.notificationsCount[token] = 0
       }

IceCubesApp/App/Tabs/Tabs.swift

@@ -113,3 +113,14 @@ enum Tab: Int, Identifiable, Hashable {
     }
   }
 }
+
+private struct SelectedTab: EnvironmentKey {
+  static let defaultValue: Tab = .timeline
+}
+
+extension EnvironmentValues {
+  var selectedTab: Tab {
+    get { self[SelectedTab.self] }
+    set { self[SelectedTab.self] = newValue }
+  }
+}