/*
    kleopatraapplication.h

    This file is part of Kleopatra, the KDE keymanager
    Copyright (c) 2008 Klarälvdalens Datakonsult AB

    Kleopatra 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 2 of the License, or
    (at your option) any later version.

    Kleopatra 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, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

    In addition, as a special exception, the copyright holders give
    permission to link the code of this program with any edition of
    the Qt library by Trolltech AS, Norway (or with modified versions
    of Qt that use the same license as Qt), and distribute linked
    combinations including the two.  You must obey the GNU General
    Public License in all respects for all of the code used other than
    Qt.  If you modify this file, you may extend this exception to
    your version of the file, but you are not obligated to do so.  If
    you do not wish to do so, delete this exception statement from
    your version.
*/

#ifndef __KLEOPATRAAPPLICATION_H__
#define __KLEOPATRAAPPLICATION_H__

#include <QApplication>
#include <QCommandLineParser>

#include <utils/pimpl_ptr.h>

#include <gpgme++/global.h>

class MainWindow;
class SysTrayIcon;

class KleopatraApplication : public QApplication
{
    Q_OBJECT
public:
    /** Create a new Application obejct. You have to
     * make sure to call init afterwards to get a valid object.
     * This is to delay initialisation after the UniqueService
     * call is done and our init / call might be forwarded to
     * another instance. */
    KleopatraApplication(int &argc, char *argv[]);
    ~KleopatraApplication();

    /** Initialize the application. Without calling init any
     * other call to KleopatraApplication will result in undefined behavior
     * and likely crash. */
    void init();

    static KleopatraApplication *instance()
    {
        return qobject_cast<KleopatraApplication *>(qApp);
    }

    /** Starts a new instance or a command from the command line.
     *
     * Handles the parser options and starts the according commands.
     * If ignoreNewInstance is set this function does nothing.
     * The parser should have been initialized with kleopatra_options and
     * already processed.
     * If kleopatra is not session restored
     *
     * @param parser: The command line parser to use.
     * @param workingDirectory: Optional working directory for file arguments.
     *
     * @returns an empty QString on success. A localized error message otherwise.
     * */
    QString newInstance(const QCommandLineParser &parser,
                        const QString &workingDirectory = QString());

    void setMainWindow(MainWindow *mw);

    const MainWindow *mainWindow() const;
    MainWindow *mainWindow();

    const SysTrayIcon *sysTrayIcon() const;
    SysTrayIcon *sysTrayIcon();

    void setIgnoreNewInstance(bool on);
    bool ignoreNewInstance() const;
    void toggleMainWindowVisibility();
    void restoreMainWindow();

public Q_SLOTS:
    void openOrRaiseMainWindow();
    void openOrRaiseConfigDialog();
#ifndef QT_NO_SYSTEMTRAYICON
    void startMonitoringSmartCard();
    void importCertificatesFromFile(const QStringList &files, GpgME::Protocol proto);
#endif
    void encryptFiles(const QStringList &files, GpgME::Protocol proto);
    void signFiles(const QStringList &files, GpgME::Protocol proto);
    void signEncryptFiles(const QStringList &files, GpgME::Protocol proto);
    void decryptFiles(const QStringList &files, GpgME::Protocol proto);
    void verifyFiles(const QStringList &files, GpgME::Protocol proto);
    void decryptVerifyFiles(const QStringList &files, GpgME::Protocol proto);
    void checksumFiles(const QStringList &files, GpgME::Protocol /* unused */);
    void slotActivateRequested(const QStringList &arguments, const QString &workingDirectory);

Q_SIGNALS:
    /* Emited from slotActivateRequested to enable setting the
     * correct exitValue */
    void setExitValue(int value);

private:
    class Private;
    kdtools::pimpl_ptr<Private> d;
};

#endif // __KLEOPATRAAPPLICATION_H__
