prevent notification loops

src/libsnore/notification/notification_p.h

@@ -54,6 +54,19 @@ public:
 
     bool isBroadcasted() const;
 
+    /**
+     * Sets the source SnorePlugin.
+     * @see source()
+     */
+    void setSource(const SnorePlugin *soure);
+
+
+    /**
+     * Returns the source SnorePlugin.
+     * This is used to prevent notification loops between the frontend and the backend.
+     */
+    const SnorePlugin* source() const;
+
 private:
     Q_DISABLE_COPY(NotificationData)
 
@@ -74,6 +87,7 @@ private:
     QScopedPointer<QTimer> m_timeoutTimer;
     QSet<const QObject *> m_activeIn;
     bool m_isBroadcasted = false;
+    SnorePlugin *m_source = nullptr;
 
     static uint notificationCount;
     static uint m_idCount;

src/plugins/backends/freedesktop/freedesktopnotification_backend.cpp

@@ -52,6 +52,10 @@ bool FreedesktopBackend::canUpdateNotification() const
 
 void  FreedesktopBackend::slotNotify(Notification noti)
 {
+    if(noti.data()->source()->name() == name()) {
+        return;
+    }
+
     QStringList actions;
     foreach (int k, noti.actions().keys()) {
         actions << QString::number(k) << noti.actions()[k].name();

src/plugins/frontends/pushover/plugin.json

@@ -1 +1 @@
-{ "type" : "frontend", "name" : "Pushover Frontend" }
+{ "type" : "frontend", "name" : "Pushover" }

src/plugins/secondary_backends/pushover/pushover.cpp

@@ -28,6 +28,10 @@ using namespace Snore;
 
 void Pushover::slotNotify(Notification notification)
 {
+    if(notification.data()->source()->name() == name()) {
+        return;
+    }
+
     QString key = settingsValue(QLatin1String("UserKey")).toString();
     if (key.isEmpty()) {
         return;