feature(desktop/general): Showing number of all notifications on tray icon badge

Functionality added to OSNotification.
MacOS version.

Issue #4922

vendor/DOtherSide/lib/include/DOtherSide/DOtherSide.h

@@ -1004,6 +1004,7 @@ DOS_API void dos_event_delete(DosEvent* vptr);
 DOS_API DosOSNotification* dos_osnotification_create();
 DOS_API void dos_osnotification_show_notification(DosOSNotification* vptr, 
     const char* title, const char* message, const char* identifier);
+DOS_API void dos_osnotification_show_badge_notification(DosOSNotification* vptr, int notificationsCount);
 DOS_API void dos_osnotification_delete(DosOSNotification* vptr);
 
 #pragma endregion

vendor/DOtherSide/lib/include/DOtherSide/Status/OSNotification.h

@@ -23,6 +23,8 @@ namespace Status
         void showNotification(const QString& title, const QString& message, 
         const QString& identifier);
 
+        void showIconBadgeNotification(int notificationsCount);
+
     signals:
         void notificationClicked(QString identifier);
 
@@ -41,6 +43,7 @@ namespace Status
     private:
         void initNotificationMacOs();
         void showNotificationMacOs(QString title, QString message, QString identifier);
+        void showIconBadgeNotificationMacOs(int notificationsCount);
 
     private:
         NotificationHelper *m_notificationHelper;

vendor/DOtherSide/lib/src/DOtherSide.cpp

@@ -1435,6 +1435,13 @@ void dos_osnotification_show_notification(DosOSNotification* vptr,
         notificationObj->showNotification(title, message, identifier);
 }
 
+void dos_osnotification_show_badge_notification(DosOSNotification* vptr, int notificationsCount)
+{
+    auto notificationObj = static_cast<Status::OSNotification*>(vptr);
+    if(notificationObj)
+        notificationObj->showIconBadgeNotification(notificationsCount);
+}
+
 void dos_osnotification_delete(DosOSNotification* vptr)
 {
     auto qobject = static_cast<QObject*>(vptr);

vendor/DOtherSide/lib/src/Status/OSNotification.cpp

@@ -159,4 +159,13 @@ void OSNotification::showNotification(const QString& title,
 #elif defined Q_OS_MACOS
     showNotificationMacOs(title, message, identifier);
 #endif
+}
+
+void OSNotification::showIconBadgeNotification(int notificationsCount)
+{
+#ifdef Q_OS_WIN
+    // TODO
+#elif defined Q_OS_MACOS
+    showIconBadgeNotificationMacOs(notificationsCount);
+#endif
 }

vendor/DOtherSide/lib/src/Status/OSNotification.mm

@@ -1,5 +1,7 @@
 #include "DOtherSide/Status/OSNotification.h"
 
+#include <QString>
+
 #ifdef Q_OS_MACOS
 
 #import <AppKit/AppKit.h>
@@ -55,6 +57,17 @@ void OSNotification::showNotificationMacOs(QString title, QString message,
     [notification release];
 }
 
+void OSNotification::showIconBadgeNotificationMacOs(int notificationsCount)
+{
+    QString notificationsString; // empty string will clear the badge
+    if (notificationsCount > 0 && notificationsCount < 10) {
+        notificationsString = QString::number(notificationsCount);
+    } else if (notificationsCount >= 10) {
+        notificationsString = "9+";
+    }
+    [[NSApp dockTile] setBadgeLabel:notificationsString.toNSString()];
+}
+
 @implementation NotificationDelegate {
     OSNotification* instance;
 }