Add a D-Bus function 'documentMetaData(QString)' to get a metadata of the open...

Add a D-Bus function 'documentMetaData(QString)' to get a metadata of the open document, if available.

svn path=/trunk/KDE/kdegraphics/okular/; revision=975670

part.cpp

@@ -835,6 +835,24 @@ QString Part::currentDocument()
 }
 
 
+QString Part::documentMetaData( const QString &metaData ) const
+{
+    const Okular::DocumentInfo * info = m_document->documentInfo();
+    if ( info )
+    {
+        QDomElement docElement = info->documentElement();
+        for ( QDomNode node = docElement.firstChild(); !node.isNull(); node = node.nextSibling() )
+        {
+            const QDomElement element = node.toElement();
+            if ( metaData.compare( element.tagName(), Qt::CaseInsensitive ) == 0 )
+                return element.attribute( "value" );
+        }
+    }
+
+    return QString();
+}
+
+
 bool Part::slotImportPSFile()
 {
     QString app = KStandardDirs::findExe( "ps2pdf" );

part.h

@@ -111,6 +111,7 @@ class Part : public KParts::ReadOnlyPart, public Okular::DocumentObserver, publi
         Q_SCRIPTABLE uint pages();
         Q_SCRIPTABLE uint currentPage();
         Q_SCRIPTABLE QString currentDocument();
+        Q_SCRIPTABLE QString documentMetaData( const QString &metaData ) const;
         Q_SCRIPTABLE void slotPreferences();
         Q_SCRIPTABLE void slotFind();
         Q_SCRIPTABLE void slotPrintPreview();