Code

was trying to have my cake and eat it too, memory-management-wise ... for
[inkscape.git] / src / xml / subtree.h
1 /*
2  * XML::Subtree - proxy for an XML subtree
3  *
4  * Copyright 2005 MenTaLguY <mental@rydia.net>
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * See the file COPYING for details.
12  *
13  */
15 #ifndef SEEN_INKSCAPE_XML_SUBTREE_H
16 #define SEEN_INKSCAPE_XML_SUBTREE_H
18 #include "xml/node-observer.h"
19 #include "xml/composite-node-observer.h"
20 #include "gc-finalized.h"
22 namespace Inkscape {
23 namespace XML {
25 class Node;
27 class Subtree : public GC::Managed<GC::SCANNED, GC::MANUAL>,
28                 private NodeObserver
29 {
30 public:
31     Subtree(Node &root);
32     ~Subtree();
34     void synthesizeEvents(NodeObserver &observer);
35     void addObserver(NodeObserver &observer);
36     void removeObserver(NodeObserver &observer);
38 private:
39     void notifyChildAdded(Node &node, Node &child, Node *prev);
41     void notifyChildRemoved(Node &node, Node &child, Node *prev);
43     void notifyChildOrderChanged(Node &node, Node &child,
44                                  Node *old_prev, Node *new_prev);
46     void notifyContentChanged(Node &node,
47                               Util::ptr_shared<char> old_content,
48                               Util::ptr_shared<char> new_content);
50     void notifyAttributeChanged(Node &node, GQuark name,
51                                 Util::ptr_shared<char> old_value,
52                                 Util::ptr_shared<char> new_value);
54     Node &_root;
55     CompositeNodeObserver _observers;
56 };
58 }
59 }
61 #endif
62 /*
63   Local Variables:
64   mode:c++
65   c-file-style:"stroustrup"
66   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
67   indent-tabs-mode:nil
68   fill-column:99
69   End:
70 */
71 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :