unipresent/kpresenter1/UpKpr1Backend.h

   1 /***************************************************************************
   2  *   This file is part of KWorship.                                        *
   3  *   Copyright 2008 James Hogan <james@albanarts.com>                      *
   4  *                                                                         *
   5  *   KWorship is free software: you can redistribute it and/or modify      *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation, either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   KWorship is distributed in the hope that it will be useful,           *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with KWorship.  If not, write to the Free Software Foundation,  *
  17  *   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   *
  18  ***************************************************************************/
  19
  20 #ifndef _UpKpr1Backend_h_
  21 #define _UpKpr1Backend_h_
  22
  23 /**
  24  * @file UpKpr1Backend.h
  25  * @brief KPresenter 1 presentation manager.
  26  * @author James Hogan <james@albanarts.com>
  27  */
  28
  29 #include "UpBackend.h"
  30
  31 class QTimer;
  32 class QStringList;
  33
  34 /** KPresenter 1 presentation manager.
  35  * This is a messy backend to use the DCOP interface.
  36  */
  37 class UpKpr1Backend : public UpBackend
  38 {
  39     Q_OBJECT
  40
  41   public:
  42
  43     /*
  44      * Constructors + destructor
  45      */
  46
  47     /// Primary constructor.
  48     UpKpr1Backend(QObject* parent = 0, const QStringList& params = QStringList());
  49
  50     /// Destructor.
  51     virtual ~UpKpr1Backend();
  52
  53     /*
  54      * General meta information
  55      */
  56
  57     virtual QString id() const;
  58     virtual QString name() const;
  59     virtual QString description() const;
  60     virtual QStringList mimeTypes() const;
  61     virtual QIcon icon() const;
  62
  63     /*
  64      * Activation
  65      */
  66
  67     virtual bool isActive();
  68     virtual bool activate();
  69     virtual void deactivate();
  70
  71     /*
  72      * Presentation management
  73      */
  74
  75     virtual QList<UpPresentation*> presentations();
  76     virtual bool openPresentation(const QUrl& url);
  77
  78   private slots:
  79
  80     /*
  81      * Private slots
  82      */
  83
  84     /// Hit at intervals to refresh presentation list.
  85     void refresh();
  86
  87   private:
  88
  89     /*
  90      * Private functions
  91      */
  92
  93     /// Find a presentation identified by a dcop reference.
  94     UpPresentation* presentationByDcop(const QStringList& dcopRef) const;
  95
  96     /*
  97      * Variables
  98      */
  99
 100     /// List of presentations.
 101     QList<UpPresentation*> m_presentations;
 102
 103     /// Refresh timer.
 104     QTimer* m_refreshTimer;
 105 };
 106
 107 #endif // _UpKpr1Backend_h_
 108