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32 #include "DOMUtilitiesPrivate.h"
35 #include "HTMLInputElement.h"
36 #include "HTMLLinkElement.h"
37 #include "HTMLMetaElement.h"
38 #include "HTMLNames.h"
39 #include "HTMLOptionElement.h"
42 using namespace WebCore;
46 template <class HTMLNodeType>
47 HTMLNodeType* toHTMLElement(Node* node, const QualifiedName& name)
49 if (node->isHTMLElement()
50 && static_cast<HTMLElement*>(node)->hasTagName(name)) {
51 return static_cast<HTMLNodeType*>(node);
60 HTMLInputElement* toHTMLInputElement(Node* node)
62 return toHTMLElement<HTMLInputElement>(node, HTMLNames::inputTag);
65 HTMLLinkElement* toHTMLLinkElement(Node* node)
67 return toHTMLElement<HTMLLinkElement>(node, HTMLNames::linkTag);
70 HTMLMetaElement* toHTMLMetaElement(Node* node)
72 return toHTMLElement<HTMLMetaElement>(node, HTMLNames::metaTag);
75 HTMLOptionElement* toHTMLOptionElement(Node* node)
77 return toHTMLElement<HTMLOptionElement>(node, HTMLNames::optionTag);
80 bool elementHasLegalLinkAttribute(const Element* element,
81 const QualifiedName& attrName)
83 if (attrName == HTMLNames::srcAttr) {
84 // Check src attribute.
85 if (element->hasTagName(HTMLNames::imgTag)
86 || element->hasTagName(HTMLNames::scriptTag)
87 || element->hasTagName(HTMLNames::iframeTag)
88 || element->hasTagName(HTMLNames::frameTag))
90 if (element->hasTagName(HTMLNames::inputTag)) {
91 const HTMLInputElement* input =
92 static_cast<const HTMLInputElement*>(element);
93 if (input->isImageButton())
96 } else if (attrName == HTMLNames::hrefAttr) {
97 // Check href attribute.
98 if (element->hasTagName(HTMLNames::linkTag)
99 || element->hasTagName(HTMLNames::aTag)
100 || element->hasTagName(HTMLNames::areaTag))
102 } else if (attrName == HTMLNames::actionAttr) {
103 if (element->hasTagName(HTMLNames::formTag))
105 } else if (attrName == HTMLNames::backgroundAttr) {
106 if (element->hasTagName(HTMLNames::bodyTag)
107 || element->hasTagName(HTMLNames::tableTag)
108 || element->hasTagName(HTMLNames::trTag)
109 || element->hasTagName(HTMLNames::tdTag))
111 } else if (attrName == HTMLNames::citeAttr) {
112 if (element->hasTagName(HTMLNames::blockquoteTag)
113 || element->hasTagName(HTMLNames::qTag)
114 || element->hasTagName(HTMLNames::delTag)
115 || element->hasTagName(HTMLNames::insTag))
117 } else if (attrName == HTMLNames::classidAttr
118 || attrName == HTMLNames::dataAttr) {
119 if (element->hasTagName(HTMLNames::objectTag))
121 } else if (attrName == HTMLNames::codebaseAttr) {
122 if (element->hasTagName(HTMLNames::objectTag)
123 || element->hasTagName(HTMLNames::appletTag))
129 } // namespace WebKit