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#ifndef SEEN_SP_TREF_REFERENCE_H
#define SEEN_SP_TREF_REFERENCE_H
/*
* The reference corresponding to href of <tref> element.
*
* This file was created based on sp-use-reference.h
*
* Copyright (C) 2007 Gail Banaszkiewicz
*
* Released under GNU GPL, read the file 'COPYING' for more information.
*/
#include <forward.h>
#include <uri-references.h>
#include <sigc++/sigc++.h>
#include "util/share.h"
#include "xml/node-observer.h"
#include "xml/subtree.h"
class SPTRefReference : public Inkscape::URIReference,
public Inkscape::XML::NodeObserver {
public:
SPTRefReference(SPObject *owner) : URIReference(owner), subtreeObserved(NULL) {
updateObserver();
}
virtual ~SPTRefReference() {
if (subtreeObserved) {
subtreeObserved->removeObserver(*this);
delete subtreeObserved;
}
}
SPItem *getObject() const {
return (SPItem *)URIReference::getObject();
}
void updateObserver();
/////////////////////////////////////////////////////////////////////
// Node Observer Functions
// -----------------------
virtual void notifyChildAdded(Inkscape::XML::Node &node, Inkscape::XML::Node &child, Inkscape::XML::Node *prev);
virtual void notifyChildRemoved(Inkscape::XML::Node &node, Inkscape::XML::Node &child, Inkscape::XML::Node *prev);
virtual void notifyChildOrderChanged(Inkscape::XML::Node &node, Inkscape::XML::Node &child,
Inkscape::XML::Node *old_prev, Inkscape::XML::Node *new_prev);
virtual void notifyContentChanged(Inkscape::XML::Node &node,
Inkscape::Util::ptr_shared<char> old_content,
Inkscape::Util::ptr_shared<char> new_content);
virtual void notifyAttributeChanged(Inkscape::XML::Node &node, GQuark name,
Inkscape::Util::ptr_shared<char> old_value,
Inkscape::Util::ptr_shared<char> new_value);
/////////////////////////////////////////////////////////////////////
protected:
virtual bool _acceptObject(SPObject * obj) const;
Inkscape::XML::Subtree *subtreeObserved;
};
#endif /* !SEEN_SP_TREF_REFERENCE_H */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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