Make kpdf aware of the /PageMode/FullScreen tag in PDF files, so it starts

in presentation mode when the flag is available.

svn path=/branches/kpdf_experiments/kdegraphics/kpdf/; revision=374668

kpdf/document.cpp

@@ -240,6 +240,10 @@ bool KPDFDocument::okToPrint() const
     return generator ? generator->allowed( Generator::Print ) : false;
 }
 
+QString KPDFDocument::getMetaData( const QString &key ) const
+{
+    return generator ? generator->getMetaData( key ) : QString();
+}
 
 void KPDFDocument::requestPixmaps( const QValueList< PixmapRequest * > & requests, bool async )
 {

kpdf/document.h

@@ -93,6 +93,7 @@ class KPDFDocument : public QObject // only for a private slot..
         uint currentPage() const;
         uint pages() const;
         bool okToPrint() const;
+        QString getMetaData( const QString &key ) const;
 
         // perform actions on document / pages
         void requestPixmaps( const QValueList< PixmapRequest * > & requests, bool asyncronous );

kpdf/generator.h

@@ -65,6 +65,9 @@ class Generator : public QObject
         // check configuration and return true if something changed
         virtual bool reparseConfig() { return false; }
 
+        // Access meta data of the generator
+        virtual QString getMetaData( const QString &key ) const { return QString(); }
+
     signals:
         void contentsChanged( int id, int pageNumber );
 };

kpdf/generator_pdf.cpp

@@ -374,6 +374,16 @@ bool PDFGenerator::reparseConfig()
     return false;
 }
 
+QString PDFGenerator::getMetaData( const QString &key ) const
+{
+  if ( key == "StartFullScreen" ) {
+    if ( pdfdoc->getCatalog()->getPageMode() == Catalog::FullScreen )
+      return "yes";
+  }
+
+  return QString();
+}
+
 KPDFLinkGoto::Viewport PDFGenerator::decodeLinkViewport( GString * namedDest, LinkDest * dest )
 // note: this function is called when processing a page, when the MUTEX is already LOCKED
 {

kpdf/generator_pdf.h

@@ -61,6 +61,8 @@ class PDFGenerator : public Generator
         // [INHERITED] reparse configuration
         bool reparseConfig();
 
+        QString getMetaData( const QString &key ) const;
+
         // used by the KPDFOutputDev child
         KPDFLinkGoto::Viewport decodeLinkViewport( class GString * namedDest, class LinkDest * dest );
 

kpdf/kpdf_part.cpp

@@ -253,12 +253,16 @@ KAboutData* Part::createAboutData()
 
 bool Part::openFile()
 {
-	bool ok = m_document->openDocument( m_file );
-	if ( ok && !m_watcher->contains(m_file)) m_watcher->addFile(m_file);
-	m_find->setEnabled( ok );
-	m_showProperties->setEnabled( ok );
+    bool ok = m_document->openDocument( m_file );
+    if ( ok && !m_watcher->contains(m_file)) m_watcher->addFile(m_file);
+    m_find->setEnabled( ok );
+    m_showProperties->setEnabled( ok );
     m_showPresentation->setEnabled( ok );
-	return ok;
+
+    if ( ok && m_document->getMetaData( "StartFullScreen" ) == "yes" )
+        slotShowPresentation();
+
+    return ok;
 }
 
 bool Part::openURL(const KURL &url)

xpdf/Catalog.cc

@@ -40,6 +40,7 @@ Catalog::Catalog(XRef *xrefA) {
   pageRefs = NULL;
   numPages = pagesSize = 0;
   baseURI = NULL;
+  pageMode = UseNone;
 
   xref->getCatalog(&catDict);
   if (!catDict.isDict()) {
@@ -105,6 +106,23 @@ Catalog::Catalog(XRef *xrefA) {
   }
   obj.free();
 
+  // read page mode
+  if (catDict.dictLookup("PageMode", &obj)->isName()) {
+    if (strcmp(obj.getName(), "UseNone") == 0)
+      pageMode = UseNone;
+    else if (strcmp(obj.getName(), "UseOutlines") == 0)
+      pageMode = UseOutlines;
+    else if (strcmp(obj.getName(), "UseThumbs") == 0)
+      pageMode = UseThumbs;
+    else if (strcmp(obj.getName(), "FullScreen") == 0)
+      pageMode = FullScreen;
+    else if (strcmp(obj.getName(), "UseOC") == 0)
+      pageMode = UseOC;
+  } else {
+    pageMode = UseNone;
+  }
+  obj.free();
+
   // get the metadata stream
   catDict.dictLookup("Metadata", &metadata);
 

xpdf/Catalog.h

@@ -29,6 +29,14 @@ class LinkDest;
 class Catalog {
 public:
 
+  enum PageMode {
+    UseNone,
+    UseOutlines,
+    UseThumbs,
+    FullScreen,
+    UseOC
+  };
+
   // Constructor.
   Catalog(XRef *xrefA);
 
@@ -50,6 +58,9 @@ public:
   // Return base URI, or NULL if none.
   GString *getBaseURI() { return baseURI; }
 
+  // Returns the page mode.
+  PageMode getPageMode() { return pageMode; }
+
   // Return the contents of the metadata stream, or NULL if there is
   // no metadata.
   GString *readMetadata();
@@ -77,6 +88,7 @@ private:
   Object dests;			// named destination dictionary
   Object nameTree;		// name tree
   GString *baseURI;		// base URI for URI-type links
+  PageMode pageMode;  // page mode
   Object metadata;		// metadata stream
   Object structTreeRoot;	// structure tree root dictionary
   Object outline;		// outline dictionary