unipresent/okular/UpOkBackend.h

   1 /***************************************************************************
   2  *   This file is part of KWorship.                                        *
   3  *   Copyright 2008-2009 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 _UpOkBackend_h_
  21 #define _UpOkBackend_h_
  22
  23 /**
  24  * @file UpOkBackend.h
  25  * @brief Okular presentation manager.
  26  * @author James Hogan <james@albanarts.com>
  27  */
  28
  29 #include "UpBackend.h"
  30
  31 #include <QHash>
  32
  33 class UpOkProcess;
  34 class UpOkPresentation;
  35
  36 /** Okular presentation manager.
  37  * This uses a nice dbus interface.
  38  */
  39 class UpOkBackend : public UpBackend
  40 {
  41     Q_OBJECT
  42
  43   public:
  44
  45     /*
  46      * Constructors + destructor
  47      */
  48
  49     /// Primary constructor.
  50     UpOkBackend(QObject* parent = 0, const QStringList& params = QStringList());
  51
  52     /// Destructor.
  53     virtual ~UpOkBackend();
  54
  55     /*
  56      * General meta information
  57      */
  58
  59     virtual QString id() const;
  60     virtual QString name() const;
  61     virtual QString description() const;
  62     virtual QStringList mimeTypes() const;
  63     virtual QIcon icon() const;
  64
  65     /*
  66      * Activation
  67      */
  68
  69     virtual bool isActive();
  70     virtual bool activate();
  71     virtual void deactivate();
  72
  73     /*
  74      * Presentation management
  75      */
  76
  77     virtual QList<UpPresentation*> presentations();
  78     virtual bool openPresentation(const QUrl& url);
  79
  80   private slots:
  81
  82     /*
  83      * Private slots
  84      */
  85
  86     /// DBus service ownership change.
  87     void dbusServiceOwnerChange(const QString& name, const QString& oldOwner, const QString& newOwner);
  88
  89     // Slots for UpOkProcess signals
  90     void dbusLoadedPresentation(UpOkPresentation*);
  91     void dbusUnloadedPresentation(UpOkPresentation*);
  92
  93   private:
  94
  95     /*
  96      * Variables
  97      */
  98
  99     typedef QHash<QString,UpOkProcess*> QStringHashProcess;
 100     /// The okular processes.
 101     QStringHashProcess m_processes;
 102
 103     /// List of presentations.
 104     QList<UpPresentation*> m_presentations;
 105
 106 };
 107
 108 #endif // _UpOkBackend_h_