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diff --git a/src/singleapplication.h b/src/singleapplication.h
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+/*******************************************************************************
+ **
+ ** smolbote: yet another qute browser
+ ** Copyright (C) 2017  Xian Nox
+ **
+ ** This program is free software: you can redistribute it and/or modify
+ ** it under the terms of the GNU General Public License as published by
+ ** the Free Software Foundation, either version 3 of the License, or
+ ** (at your option) any later version.
+ **
+ ** This program is distributed in the hope that it will be useful,
+ ** but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ ** GNU General Public License for more details.
+ **
+ ** You should have received a copy of the GNU General Public License
+ ** along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ **
+ ******************************************************************************/
+
+#ifndef SINGLEAPPLICATION_H
+#define SINGLEAPPLICATION_H
+
+#include <QApplication>
+#include <QLocalServer>
+#include <QVector>
+#include <QUrl>
+
+class SingleApplication : public QApplication
+{
+    Q_OBJECT
+public:
+    explicit SingleApplication(int &argc, char **argv);
+
+    bool isRunning();
+    bool sendMessage(const QStringList &params);
+
+signals:
+    void messageAvailable(const QStringList params);
+
+private slots:
+    void receiveMessage();
+
+private:
+    const int LOCALSERVER_TIMEOUT = 500;
+    const QString LOCALSERVER_KEY = "smolbote_KEY";
+
+    QLocalServer *m_localServer;
+};
+
+#endif // SINGLEAPPLICATION_H