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SVGAElement.cpp
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1/*
2 Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 2004, 2005, 2007 Rob Buis <buis@kde.org>
4 2007 Eric Seidel <eric@webkit.org>
5
6 This file is part of the KDE project
7
8 This library is free software; you can redistribute it and/or
9 modify it under the terms of the GNU Library General Public
10 License as published by the Free Software Foundation; either
11 version 2 of the License, or (at your option) any later version.
12
13 This library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Library General Public License for more details.
17
18 You should have received a copy of the GNU Library General Public License
19 along with this library; see the file COPYING.LIB. If not, write to
20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA.
22*/
23
24#include "config.h"
25#include "wtf/Platform.h"
26
27#if ENABLE(SVG)
28#include "SVGAElement.h"
29
30/*#include "Attr.h"
31#include "CSSHelper.h"*/
32#include "Document.h"
33/*#include "EventHandler.h"
34#include "EventNames.h"
35#include "Frame.h"
36#include "FrameLoader.h"
37#include "KeyboardEvent.h"
38#include "MouseEvent.h"
39#include "PlatformMouseEvent.h"*/
40#include "RenderSVGTransformableContainer.h"
41#include "RenderSVGInline.h"
42/*#include "ResourceRequest.h"
43#include "SVGSMILElement.h"*/
44#include "SVGNames.h"
45#include "XLinkNames.h"
46
47namespace WebCore {
48
49//using namespace EventNames;
50
51SVGAElement::SVGAElement(const QualifiedName& tagName, Document *doc)
52 : SVGStyledTransformableElement(tagName, doc)
53 , SVGURIReference()
54 , SVGTests()
55 , SVGLangSpace()
56 , SVGExternalResourcesRequired()
57{
58}
59
60SVGAElement::~SVGAElement()
61{
62}
63
64String SVGAElement::title() const
65{
66 return getAttribute(XLinkNames::titleAttr);
67}
68
69ANIMATED_PROPERTY_DEFINITIONS(SVGAElement, String, String, string, Target, target, SVGNames::targetAttr, m_target)
70
71void SVGAElement::parseMappedAttribute(MappedAttribute* attr)
72{
73 if (attr->name() == SVGNames::targetAttr)
74 setTargetBaseValue(attr->value());
75 else {
76 if (SVGURIReference::parseMappedAttribute(attr))
77 return;
78 if (SVGTests::parseMappedAttribute(attr))
79 return;
80 if (SVGLangSpace::parseMappedAttribute(attr))
81 return;
82 if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
83 return;
84 SVGStyledTransformableElement::parseMappedAttribute(attr);
85 }
86}
87
88void SVGAElement::svgAttributeChanged(const QualifiedName& attrName)
89{
90 SVGStyledTransformableElement::svgAttributeChanged(attrName);
91
92 // Unlike other SVG*Element classes, SVGAElement only listens to SVGURIReference changes
93 // as none of the other properties changes the linking behaviour for our <a> element.
94 if (SVGURIReference::isKnownAttribute(attrName)) {
95 /*khtml FIXME bool wasLink = m_isLink;
96 m_isLink = !href().isNull();
97
98 if (wasLink != m_isLink)
99 setChanged();*/
100 }
101}
102
103RenderObject* SVGAElement::createRenderer(RenderArena* arena, RenderStyle* style)
104{
105 Q_UNUSED(style);
106 if (static_cast<SVGElement*>(parent())->isTextContent())
107 return new (arena) RenderSVGInline(this);
108
109 return new (arena) RenderSVGTransformableContainer(this);
110}
111
112void SVGAElement::defaultEventHandler(Event* evt)
113{
114 /*if (m_isLink && (evt->type() == clickEvent || (evt->type() == keydownEvent && m_focused))) {
115 MouseEvent* e = 0;
116 if (evt->type() == clickEvent && evt->isMouseEvent())
117 e = static_cast<MouseEvent*>(evt);
118
119 KeyboardEvent* k = 0;
120 if (evt->type() == keydownEvent && evt->isKeyboardEvent())
121 k = static_cast<KeyboardEvent*>(evt);
122
123 if (e && e->button() == RightButton) {
124 SVGStyledTransformableElement::defaultEventHandler(evt);
125 return;
126 }
127
128 if (k) {
129 if (k->keyIdentifier() != "Enter") {
130 SVGStyledTransformableElement::defaultEventHandler(evt);
131 return;
132 }
133 evt->setDefaultHandled();
134 dispatchSimulatedClick(evt);
135 return;
136 }
137
138 String target = this->target();
139 if (e && e->button() == MiddleButton)
140 target = "_blank";
141 else if (target.isEmpty()) // if target is empty, default to "_self" or use xlink:target if set
142 target = (getAttribute(XLinkNames::showAttr) == "new") ? "_blank" : "_self";
143
144 if (!evt->defaultPrevented()) {
145 String url = parseURL(href());
146#if ENABLE(SVG_ANIMATION)
147 if (url.startsWith("#")) {
148 Element* targetElement = document()->getElementById(url.substring(1));
149 if (SVGSMILElement::isSMILElement(targetElement)) {
150 SVGSMILElement* timed = static_cast<SVGSMILElement*>(targetElement);
151 timed->beginByLinkActivation();
152 evt->setDefaultHandled();
153 SVGStyledTransformableElement::defaultEventHandler(evt);
154 return;
155 }
156 }
157#endif
158 if (document()->frame())
159 document()->frame()->loader()->urlSelected(document()->completeURL(url), target, evt, false, true);
160 }
161
162 evt->setDefaultHandled();
163 }*/
164
165 SVGStyledTransformableElement::defaultEventHandler(evt);
166}
167
168bool SVGAElement::supportsFocus() const
169{
170 /*if (isContentEditable())
171 return SVGStyledTransformableElement::supportsFocus();*/
172 return isFocusable() || (document() && !document()->haveStylesheetsLoaded());
173}
174
175bool SVGAElement::isFocusableImpl(FocusType ft) const
176{
177 if (ft == FT_Mouse)
178 return false;
179
180 if (isContentEditable())
181 return SVGStyledTransformableElement::isFocusableImpl(ft);
182
183 // TODO: implement focus rules for SVG
184 return false;
185}
186
187bool SVGAElement::childShouldCreateRenderer(Node* child) const
188{
189 // http://www.w3.org/2003/01/REC-SVG11-20030114-errata#linking-text-environment
190 // The 'a' element may contain any element that its parent may contain, except itself.
191 if (child->hasTagName(SVGNames::aTag))
192 return false;
193 if (parent() && parent()->isSVGElement())
194 return static_cast<SVGElement*>(parent())->childShouldCreateRenderer(child);
195
196 return SVGElement::childShouldCreateRenderer(child);
197}
198
199} // namespace WebCore
200
201#endif // ENABLE(SVG)
SVGAElement.h
SVGNames.h
XLinkNames.h
WebCore
Definition: CSSHelper.h:7
WebCore::String
DOM::DOMString String
Definition: PlatformString.h:8
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