unipresent/kpresenter2/UpKpr2Slide.cpp

   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 /**
  21  * @file UpKpr2Slide.cpp
  22  * @brief KPresenter 2 presentation slide.
  23  * @author James Hogan <james@albanarts.com>
  24  */
  25
  26 #include "UpKpr2Slide.h"
  27 #include "UpKpr2Presentation.h"
  28
  29 #include <KLocale>
  30
  31 #include <QTemporaryFile>
  32 #include <QDBusReply>
  33 #include <QTextDocument>
  34
  35 /*
  36  * Constructors + destructor
  37  */
  38
  39 /// Primary constructor.
  40 UpKpr2Slide::UpKpr2Slide(UpKpr2Presentation* presentation, int index)
  41 : UpSlide(presentation)
  42 , m_presentation(presentation)
  43 , m_index(index)
  44 , m_title()
  45 , m_outline()
  46 , m_notesHtml()
  47 , m_preview()
  48 {
  49 }
  50
  51 /// Destructor.
  52 UpKpr2Slide::~UpKpr2Slide()
  53 {
  54 }
  55
  56 /*
  57  * Main interface
  58  */
  59
  60 QString UpKpr2Slide::title()
  61 {
  62   if (m_title.isNull())
  63   {
  64     QDBusInterface* view = m_presentation->dbusView();
  65     if (0 != view)
  66     {
  67       m_title = (QDBusReply<QString>)view->call("pageName", m_index);
  68     }
  69   }
  70   if (m_title.isEmpty())
  71   {
  72     return i18n("Page %1", m_index + 1);
  73   }
  74   else
  75   {
  76     return m_title;
  77   }
  78 }
  79
  80 QString UpKpr2Slide::outline()
  81 {
  82   return QString();
  83 }
  84
  85 bool UpKpr2Slide::writeNotes(QTextDocument* doc)
  86 {
  87   if (m_notesHtml.isNull())
  88   {
  89     QDBusInterface* view = m_presentation->dbusView();
  90     if (0 != view)
  91     {
  92       m_notesHtml = (QDBusReply<QString>)view->call("pageNotes", m_index, "html");
  93     }
  94     else
  95     {
  96       return UpSlide::writeNotes(doc);
  97     }
  98   }
  99   doc->setHtml(m_notesHtml);
 100   return true;
 101 }
 102
 103 QPixmap UpKpr2Slide::preview()
 104 {
 105   if (m_preview.isNull())
 106   {
 107     QDBusInterface* view = m_presentation->dbusView();
 108     if (view)
 109     {
 110       QTemporaryFile previewFile;
 111       previewFile.open();
 112
 113       QDBusMessage result = view->call(
 114           "exportPageThumbnail",
 115           m_index,    // page
 116           167, 125, // size
 117           previewFile.fileName(), // filename
 118           "PPM",    // format
 119           -1        // quality
 120       );
 121       if (QDBusMessage::ReplyMessage == result.type())
 122       {
 123         if (result.arguments().first().toBool())
 124         {
 125           m_preview.load(previewFile.fileName());
 126         }
 127       }
 128     }
 129   }
 130   return m_preview;
 131 }
 132
 133 #include "UpKpr2Slide.moc"
 134