Load and save in the XML document info all the properties of the various View's, that are specific to each document.

At the moment, they are the zoom mode and level of the page view.
BUG: 155752

svn path=/trunk/KDE/kdegraphics/okular/; revision=814998

core/document.cpp

@@ -384,6 +384,27 @@ void DocumentPrivate::loadDocumentInfo()
                         setRotationInternal( newrotation, false );
                     }
                 }
+                else if ( infoElement.tagName() == "views" )
+                {
+                    QDomNode viewNode = infoNode.firstChild();
+                    while ( viewNode.isElement() )
+                    {
+                        QDomElement viewElement = viewNode.toElement();
+                        if ( viewElement.tagName() == "view" )
+                        {
+                            const QString viewName = viewElement.attribute( "name" );
+                            Q_FOREACH ( View * view, m_views )
+                            {
+                                if ( view->name() == viewName )
+                                {
+                                    loadViewsInfo( view, viewElement );
+                                    break;
+                                }
+                            }
+                        }
+                        viewNode = viewNode.nextSibling();
+                    }
+                }
                 infoNode = infoNode.nextSibling();
             }
         }
@@ -392,6 +413,62 @@ void DocumentPrivate::loadDocumentInfo()
     } // </documentInfo>
 }
 
+void DocumentPrivate::loadViewsInfo( View *view, const QDomElement &e )
+{
+    QDomNode viewNode = e.firstChild();
+    while ( viewNode.isElement() )
+    {
+        QDomElement viewElement = viewNode.toElement();
+
+        if ( viewElement.tagName() == "zoom" )
+        {
+            const QString valueString = viewElement.attribute( "value" );
+            bool newzoom_ok = true;
+            const double newzoom = !valueString.isEmpty() ? valueString.toDouble( &newzoom_ok ) : 1.0;
+            if ( newzoom_ok && newzoom != 0
+                 && view->supportsCapability( View::Zoom )
+                 && ( view->capabilityFlags( View::Zoom ) & ( View::CapabilityRead & View::CapabilitySerializable ) ) )
+            {
+                view->setCapability( View::Zoom, newzoom );
+            }
+            const QString modeString = viewElement.attribute( "mode" );
+            bool newmode_ok = true;
+            const int newmode = !modeString.isEmpty() ? modeString.toInt( &newmode_ok ) : 2;
+            if ( newmode_ok
+                 && view->supportsCapability( View::ZoomModality )
+                 && ( view->capabilityFlags( View::ZoomModality ) & ( View::CapabilityRead & View::CapabilitySerializable ) ) )
+            {
+                view->setCapability( View::ZoomModality, newmode );
+            }
+        }
+
+        viewNode = viewNode.nextSibling();
+    }
+}
+
+void DocumentPrivate::saveViewsInfo( View *view, QDomElement &e ) const
+{
+    if ( view->supportsCapability( View::Zoom )
+         && ( view->capabilityFlags( View::Zoom ) & ( View::CapabilityRead & View::CapabilitySerializable ) )
+         && view->supportsCapability( View::ZoomModality )
+         && ( view->capabilityFlags( View::ZoomModality ) & ( View::CapabilityRead & View::CapabilitySerializable ) ) )
+    {
+        QDomElement zoomEl = e.ownerDocument().createElement( "zoom" );
+        e.appendChild( zoomEl );
+        bool ok = true;
+        const double zoom = view->capability( View::Zoom ).toDouble( &ok );
+        if ( ok && zoom != 0 )
+        {
+            zoomEl.setAttribute( "value", zoom );
+        }
+        const int mode = view->capability( View::ZoomModality ).toInt( &ok );
+        if ( ok )
+        {
+            zoomEl.setAttribute( "mode", mode );
+        }
+    }
+}
+
 QString DocumentPrivate::giveAbsolutePath( const QString & fileName ) const
 {
     if ( !QDir::isRelativePath( fileName ) )
@@ -562,6 +639,16 @@ void DocumentPrivate::saveDocumentInfo() const
                 ++backIterator;
             }
         }
+        // create views root node
+        QDomElement viewsNode = doc.createElement( "views" );
+        generalInfo.appendChild( viewsNode );
+        Q_FOREACH ( View * view, m_views )
+        {
+            QDomElement viewEntry = doc.createElement( "view" );
+            viewEntry.setAttribute( "name", view->name() );
+            viewsNode.appendChild( viewEntry );
+            saveViewsInfo( view, viewEntry );
+        }
 
         // 3. Save DOM to XML file
         QString xml = doc.toString();

core/document_p.h

@@ -93,6 +93,8 @@ class DocumentPrivate
         qulonglong getTotalMemory();
         qulonglong getFreeMemory();
         void loadDocumentInfo();
+        void loadViewsInfo( View *view, const QDomElement &e );
+        void saveViewsInfo( View *view, QDomElement &e ) const;
         QString giveAbsolutePath( const QString & fileName ) const;
         bool openRelativeFile( const QString & fileName );
         Generator * loadGeneratorLibrary( const KService::Ptr &service );