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diff --git a/src/fbgui/javascriptinterface.h b/src/fbgui/javascriptinterface.h
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+++ b/src/fbgui/javascriptinterface.h
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+/*
+ * Copyright (c) 2010,2011 - RZ Uni Freiburg
+ * Copyright (c) 2010,2011 - OpenSLX Project
+ *
+ * This program/file is free software distributed under the GPL version 2.
+ * See http://openslx.org/COPYING
+ *
+ * If you have any feedback please consult http://openslx.org/feedback and
+ * send your feedback to feedback@openslx.org
+ *
+ * General information about OpenSLX can be found under http://openslx.org
+ *
+ *
+ * 	   Interface for javascript.
+ *
+ */
+
+#ifndef JAVASCRIPTINTERFACE_H_
+#define JAVASCRIPTINTERFACE_H_
+
+#include "fbgui.h"
+
+class JavascriptInterface: public QObject {
+Q_OBJECT
+public:
+   JavascriptInterface(QWebFrame* parent);
+   ~JavascriptInterface();
+
+private:
+   // pointer to parent
+   QWebFrame* _parent;
+   // function to be called withint javascript when downloads are done.
+   QString _callbackOnDownloadsFinished;
+   // loads jQuery code
+   void loadJQuery();
+
+   signals:
+   // request the file from download manager
+   void requestFile(const QString& filename);
+   // quit the application
+   void quitFbgui();
+   // shut off the system. connected to  fbgui::performShutDown()
+   void shutDownClient();
+   // reboot the system. connected to  fbgui::performReboot()
+   void rebootClient();
+
+public slots:
+   // make sure the interface stays attached on webpage reload
+   void attachToDOM();
+
+   // slots for calling from the webpage
+   void startDownload(const QString& filename);
+   void setCallbackOnFinished(const QString& function);
+   const QString getSysInfo(const QString& info);
+   void quit();
+   void shutDown();
+   void reboot();
+
+   // callback when downloads are done.
+   void callbackOnFinished();
+
+   // slots for information exchange with the download manager.
+   void updateProgressBar(const int& percent, const double& speed,
+         const QString& unit);
+   void downloadInfo(const QString& filename, const double& filesize);
+   void notify(const QString& msg);
+
+   // functions to help test functionality
+   void trigger();
+};
+
+#endif // JAVASCRIPTINTERFACE_H_