1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
// SPDX-License-Identifier: GPL-2.0-or-later
#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
* Abhishek Sharma
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <cstddef>
#include <sigc++/sigc++.h>
#include "sp-item.h"
#include "uri-references.h"
#include "util/share.h"
#include "xml/node-observer.h"
#include "xml/subtree.h"
typedef unsigned int GQuark;
class SPTRefReference : public Inkscape::URIReference,
public Inkscape::XML::NodeObserver {
public:
SPTRefReference(SPObject *owner) : URIReference(owner), subtreeObserved(nullptr) {
updateObserver();
}
~SPTRefReference() override {
if (subtreeObserved) {
subtreeObserved->removeObserver(*this);
delete subtreeObserved;
}
}
SPItem *getObject() const {
return static_cast<SPItem *>(URIReference::getObject());
}
void updateObserver();
/////////////////////////////////////////////////////////////////////
// Node Observer Functions
// -----------------------
void notifyChildAdded(Inkscape::XML::Node &node, Inkscape::XML::Node &child, Inkscape::XML::Node *prev) override;
void notifyChildRemoved(Inkscape::XML::Node &node, Inkscape::XML::Node &child, Inkscape::XML::Node *prev) override;
void notifyChildOrderChanged(Inkscape::XML::Node &node, Inkscape::XML::Node &child,
Inkscape::XML::Node *old_prev, Inkscape::XML::Node *new_prev) override;
void notifyContentChanged(Inkscape::XML::Node &node,
Inkscape::Util::ptr_shared old_content,
Inkscape::Util::ptr_shared new_content) override;
void notifyAttributeChanged(Inkscape::XML::Node &node, GQuark name,
Inkscape::Util::ptr_shared old_value,
Inkscape::Util::ptr_shared new_value) override;
/////////////////////////////////////////////////////////////////////
protected:
bool _acceptObject(SPObject * obj) const override;
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 :
|
