KHtml

SVGTRefElement.cpp
1 /*
2  Copyright (C) 2004, 2005 Nikolas Zimmermann <[email protected]>
3  2004, 2005, 2006 Rob Buis <[email protected]>
4 
5  This file is part of the KDE project
6 
7  This library is free software; you can redistribute it and/or
8  modify it under the terms of the GNU Library General Public
9  License as published by the Free Software Foundation; either
10  version 2 of the License, or (at your option) any later version.
11 
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  Library General Public License for more details.
16 
17  You should have received a copy of the GNU Library General Public License
18  along with this library; see the file COPYING.LIB. If not, write to
19  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20  Boston, MA 02110-1301, USA.
21 */
22 
23 #if ENABLE(SVG)
24 #include "SVGTRefElement.h"
25 
26 #include "RenderSVGInline.h"
27 #include "SVGDocument.h"
28 #include "SVGNames.h"
29 #include "Text.h"
30 #include "XLinkNames.h"
31 
32 namespace WebCore
33 {
34 
35 SVGTRefElement::SVGTRefElement(const QualifiedName &tagName, Document *doc)
36  : SVGTextPositioningElement(tagName, doc)
37  , SVGURIReference()
38 {
39 }
40 
41 SVGTRefElement::~SVGTRefElement()
42 {
43 }
44 
45 void SVGTRefElement::updateReferencedText()
46 {
47  Element *target = document()->getElementById(SVGURIReference::getTarget(href()));
48  String textContent;
49  if (target && target->isSVGElement()) {
50  textContent = static_cast<SVGElement *>(target)->textContent();
51  }
52  ExceptionCode ignore = 0;
53  setTextContent(textContent, ignore);
54 }
55 
56 void SVGTRefElement::parseMappedAttribute(MappedAttribute *attr)
57 {
58  if (SVGURIReference::parseMappedAttribute(attr)) {
59  updateReferencedText();
60  return;
61  }
62 
63  SVGTextPositioningElement::parseMappedAttribute(attr);
64 }
65 
66 bool SVGTRefElement::childShouldCreateRenderer(Node *child) const
67 {
68  if (child->isTextNode() || child->hasTagName(SVGNames::tspanTag) ||
69  child->hasTagName(SVGNames::trefTag)) {
70  return true;
71  }
72  return false;
73 }
74 
75 RenderObject *SVGTRefElement::createRenderer(RenderArena *arena, RenderStyle *)
76 {
77  return new(arena) RenderSVGInline(this);
78 }
79 
80 }
81 
82 #endif // ENABLE(SVG)
83 
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