1 /*
2 * Copyright (C) 2009 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "public/web/WebElement.h"
33
34 #include "bindings/v8/ExceptionState.h"
35 #include "core/dom/Element.h"
36 #include "core/dom/NamedNodeMap.h"
37 #include "core/dom/custom/CustomElementCallbackDispatcher.h"
38 #include "core/dom/shadow/ShadowRoot.h"
39 #include "core/rendering/RenderBoxModelObject.h"
40 #include "core/rendering/RenderObject.h"
41 #include "public/platform/WebRect.h"
42 #include "public/web/WebDocument.h"
43 #include "wtf/PassRefPtr.h"
44
45
46 using namespace WebCore;
47
48 namespace blink {
49
isFormControlElement() const50 bool WebElement::isFormControlElement() const
51 {
52 return constUnwrap<Element>()->isFormControlElement();
53 }
54
isTextFormControlElement() const55 bool WebElement::isTextFormControlElement() const
56 {
57 return constUnwrap<Element>()->isTextFormControl();
58 }
59
tagName() const60 WebString WebElement::tagName() const
61 {
62 return constUnwrap<Element>()->tagName();
63 }
64
hasTagName(const WebString & tagName) const65 bool WebElement::hasTagName(const WebString& tagName) const
66 {
67 return equalIgnoringCase(constUnwrap<Element>()->tagName(),
68 tagName.operator String());
69 }
70
hasHTMLTagName(const WebString & tagName) const71 bool WebElement::hasHTMLTagName(const WebString& tagName) const
72 {
73 // How to create class nodeName localName
74 // createElement('input') HTMLInputElement INPUT input
75 // createElement('INPUT') HTMLInputElement INPUT input
76 // createElementNS(xhtmlNS, 'input') HTMLInputElement INPUT input
77 // createElementNS(xhtmlNS, 'INPUT') HTMLUnknownElement INPUT INPUT
78 const Element* element = constUnwrap<Element>();
79 return HTMLNames::xhtmlNamespaceURI == element->namespaceURI() && element->localName() == String(tagName).lower();
80 }
81
hasAttribute(const WebString & attrName) const82 bool WebElement::hasAttribute(const WebString& attrName) const
83 {
84 return constUnwrap<Element>()->hasAttribute(attrName);
85 }
86
removeAttribute(const WebString & attrName)87 void WebElement::removeAttribute(const WebString& attrName)
88 {
89 // TODO: Custom element callbacks need to be called on WebKit API methods that
90 // mutate the DOM in any way.
91 CustomElementCallbackDispatcher::CallbackDeliveryScope deliverCustomElementCallbacks;
92 unwrap<Element>()->removeAttribute(attrName);
93 }
94
getAttribute(const WebString & attrName) const95 WebString WebElement::getAttribute(const WebString& attrName) const
96 {
97 return constUnwrap<Element>()->getAttribute(attrName);
98 }
99
setAttribute(const WebString & attrName,const WebString & attrValue)100 bool WebElement::setAttribute(const WebString& attrName, const WebString& attrValue)
101 {
102 // TODO: Custom element callbacks need to be called on WebKit API methods that
103 // mutate the DOM in any way.
104 CustomElementCallbackDispatcher::CallbackDeliveryScope deliverCustomElementCallbacks;
105 TrackExceptionState exceptionState;
106 unwrap<Element>()->setAttribute(attrName, attrValue, exceptionState);
107 return !exceptionState.hadException();
108 }
109
attributeCount() const110 unsigned WebElement::attributeCount() const
111 {
112 if (!constUnwrap<Element>()->hasAttributes())
113 return 0;
114 return constUnwrap<Element>()->attributeCount();
115 }
116
shadowRoot() const117 WebNode WebElement::shadowRoot() const
118 {
119 ShadowRoot* shadowRoot = constUnwrap<Element>()->shadowRoot();
120 if (!shadowRoot)
121 return WebNode();
122 return WebNode(shadowRoot->toNode());
123 }
124
attributeLocalName(unsigned index) const125 WebString WebElement::attributeLocalName(unsigned index) const
126 {
127 if (index >= attributeCount())
128 return WebString();
129 return constUnwrap<Element>()->attributeAt(index).localName();
130 }
131
attributeValue(unsigned index) const132 WebString WebElement::attributeValue(unsigned index) const
133 {
134 if (index >= attributeCount())
135 return WebString();
136 return constUnwrap<Element>()->attributeAt(index).value();
137 }
138
innerText()139 WebString WebElement::innerText()
140 {
141 return unwrap<Element>()->innerText();
142 }
143
computeInheritedLanguage() const144 WebString WebElement::computeInheritedLanguage() const
145 {
146 return WebString(constUnwrap<Element>()->computeInheritedLanguage());
147 }
148
requestFullScreen()149 void WebElement::requestFullScreen()
150 {
151 unwrap<Element>()->webkitRequestFullScreen(Element::ALLOW_KEYBOARD_INPUT);
152 }
153
boundsInViewportSpace()154 WebRect WebElement::boundsInViewportSpace()
155 {
156 return unwrap<Element>()->boundsInRootViewSpace();
157 }
158
imageContents()159 WebImage WebElement::imageContents()
160 {
161 if (isNull())
162 return WebImage();
163
164 WebCore::Image* image = unwrap<Element>()->imageContents();
165 if (!image)
166 return WebImage();
167
168 RefPtr<NativeImageSkia> bitmap = image->nativeImageForCurrentFrame();
169 if (!bitmap)
170 return WebImage();
171
172 return bitmap->bitmap();
173 }
174
WebElement(const PassRefPtrWillBeRawPtr<Element> & elem)175 WebElement::WebElement(const PassRefPtrWillBeRawPtr<Element>& elem)
176 : WebNode(elem)
177 {
178 }
179
operator =(const PassRefPtrWillBeRawPtr<Element> & elem)180 WebElement& WebElement::operator=(const PassRefPtrWillBeRawPtr<Element>& elem)
181 {
182 m_private = elem;
183 return *this;
184 }
185
operator PassRefPtrWillBeRawPtr<Element>() const186 WebElement::operator PassRefPtrWillBeRawPtr<Element>() const
187 {
188 return toElement(m_private.get());
189 }
190
191 } // namespace blink
192