eventloopinteractor.h

/* qeventloopinteractor.h
   Copyright (C) 2003 Klarälvdalens Datakonsult AB

   This file is part of QGPGME.

   QGPGME is free software; you can redistribute it and/or modify it
   under the terms of the GNU Library General Public License as published
   by the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   QGPGME 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 Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with QGPGME; see the file COPYING.LIB.  If not, write to the
   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA. */

// -*- c++ -*-
#ifndef __QGPGME_EVENTLOOPINTERACTOR_H__
#define __QGPGME_EVENTLOOPINTERACTOR_H__

#include "qgpgme_export.h"
#include <gpgme++/eventloopinteractor.h>

#include <QtCore/QObject>

namespace GpgME {
  class Context;
  class Error;
  class TrustItem;
  class Key;
} // namespace GpgME

namespace QGpgME {

  class QGPGME_EXPORT EventLoopInteractor : public QObject, public GpgME::EventLoopInteractor {
    Q_OBJECT
  protected:
    explicit EventLoopInteractor( QObject * parent=0 );
  public:
    virtual ~EventLoopInteractor();

    static EventLoopInteractor * instance();

  Q_SIGNALS:
    void nextTrustItemEventSignal( GpgME::Context * context, const GpgME::TrustItem & item );
    void nextKeyEventSignal( GpgME::Context * context, const GpgME::Key & key );
    void operationDoneEventSignal( GpgME::Context * context, const GpgME::Error & e );
    void operationStartEventSignal( GpgME::Context * context );

    void aboutToDestroy();

  protected Q_SLOTS:
    void slotWriteActivity( int socket );
    void slotReadActivity( int socket );

  protected:
    //
    // IO Notification Interface
    //

    void * registerWatcher( int fd, Direction dir, bool & ok );
    void unregisterWatcher( void * tag );

    //
    // Event Handler Interface
    //

    void nextTrustItemEvent( GpgME::Context * context, const GpgME::TrustItem & item );
    void nextKeyEvent( GpgME::Context * context, const GpgME::Key & key );
    void operationStartEvent( GpgME::Context * context );
    void operationDoneEvent( GpgME::Context * context, const GpgME::Error & e );

  private:
    class Private;
    Private * d;
    static EventLoopInteractor * mSelf;
  };

} // namespace QGpgME

#endif // __QGPGME_EVENTLOOPINTERACTOR_H__