/****************************************************************************
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** accordance with the Qt Solutions Commercial License Agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and Nokia.
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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** packaging of this file.  Please review the following information to
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****************************************************************************/


#include <QApplication>

class QtLocalPeer;

#if defined(Q_OS_WIN)
#  if !defined(QT_QTSINGLEAPPLICATION_EXPORT) && !defined(QT_QTSINGLEAPPLICATION_IMPORT)
#    define QT_QTSINGLEAPPLICATION_EXPORT
#  elif defined(QT_QTSINGLEAPPLICATION_IMPORT)
#    if defined(QT_QTSINGLEAPPLICATION_EXPORT)
#      undef QT_QTSINGLEAPPLICATION_EXPORT
#    endif
#    define QT_QTSINGLEAPPLICATION_EXPORT __declspec(dllimport)
#  elif defined(QT_QTSINGLEAPPLICATION_EXPORT)
#    undef QT_QTSINGLEAPPLICATION_EXPORT
#    define QT_QTSINGLEAPPLICATION_EXPORT __declspec(dllexport)
#  endif
#else
#  define QT_QTSINGLEAPPLICATION_EXPORT
#endif

class QT_QTSINGLEAPPLICATION_EXPORT QtSingleApplication : public QApplication
{
    Q_OBJECT

public:
    QtSingleApplication(int &argc, char** argv, bool GUIenabled = true);
    QtSingleApplication(const QString &id, int &argc, char** argv);

    bool isRunning();
    void setAppId(const QString &id);
    QString id() const;

    void setActivationWindow(QWidget* aw, bool activateOnMessage = true);
    QWidget* activationWindow() const;

    // Obsolete:
    void initialize(bool dummy = true)
    { isRunning(); Q_UNUSED(dummy) }

    void removeLockFile();

public Q_SLOTS:
    bool sendMessage(const QString &message, int timeout = 5000);
    void activateWindow();


Q_SIGNALS:
    void messageReceived(const QString &message);


private:
    void sysInit(const QString &appId = QString());
    QtLocalPeer* peer;
    QWidget* actWin;
};
