default initialisation for the backends

src/core/snore.cpp

@@ -286,24 +286,60 @@ const QStringList &SnoreCore::secondaryNotificationBackends() const
     return m_secondaryNotificationBackends;
 }
 
-void SnoreCore::setPrimaryNotificationBackend ( const QString &backend )
+bool SnoreCore::setPrimaryNotificationBackend ( const QString &backend )
 {
     if(!pluginCache().contains(backend)){
         qDebug()<<"Unknown Backend:"<<backend;
-        return;
+        return false;
     }
     qDebug()<<"Setting Notification Backend to:"<<backend;
     SnoreBackend* b = qobject_cast<SnoreBackend*>(pluginCache()[backend]->load());
     if(!b->isInitialized()){
         if(!b->init(this)){
             qDebug()<<"Failed to initialize"<<b->name();
-            return;
+            return false;
         }
         connect(b,SIGNAL(closeNotification(Snore::Notification)),this,SLOT(slotNotificationClosed(Snore::Notification)));
     }
-
-
     m_notificationBackend = b;
+    return true;
+}
+
+bool SnoreCore::setPrimaryNotificationBackend()
+{
+    QStringList backends = notificationBackends();
+#ifdef Q_OS_WIN
+    if(QSysInfo::windowsVersion() == QSysInfo::WV_WINDOWS8 && backends.contains("SnoreToast"))
+    {
+        if(setPrimaryNotificationBackend("SnoreToast"))
+            return true;
+    }
+    if( backends.contains("Growl"))
+    {
+        if(setPrimaryNotificationBackend("Growl"))
+            return true;
+    }
+    if( backends.contains("Snarl"))
+    {
+        if(setPrimaryNotificationBackend("Snarl"))
+            return true;
+    }
+#elif defined(Q_OS_LINUX)
+    if( backends.contains("FreedesktopNotification_Backend"))
+    {
+        return setPrimaryNotificationBackend("FreedesktopNotification_Backend");
+    }
+#elif defined(Q_OS_MAC)
+    if( backends.contains("Growl"))
+    {
+        return setPrimaryNotificationBackend("Growl");
+    }
+#endif
+    if( trayIcon() && backends.contains("SystemTray"))
+    {
+        return setPrimaryNotificationBackend("SystemTray");
+    }
+    return false;
 }
 
 const QString &SnoreCore::primaryNotificationBackend(){

src/core/snore.h

@@ -60,7 +60,8 @@ public:
     const QStringList &notificationFrontends() const;
     const QStringList &secondaryNotificationBackends() const;
 
-    void setPrimaryNotificationBackend ( const QString &backend );
+    bool setPrimaryNotificationBackend( const QString &backend );
+    bool setPrimaryNotificationBackend();
     const QString &primaryNotificationBackend();
     QSystemTrayIcon *trayIcon();
 

src/snorenotify.cpp

@@ -54,9 +54,15 @@ SnoreNotify::~SnoreNotify(){
 }
 
 void SnoreNotify::load(){
-    m_snore->setPrimaryNotificationBackend(m_settings.value("notificationBackend","SystemTray").toString());
+    if(m_settings.contains("notificationBackend"))
+    {
+        m_snore->setPrimaryNotificationBackend(m_settings.value("notificationBackend","SystemTray").toString());
+    }
+    else
+    {
+        m_snore->setPrimaryNotificationBackend();
+    }
 }
-
 void SnoreNotify::save(){
     m_settings.setValue("notificationBackend",m_snore->primaryNotificationBackend());
 }