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/core/v8/ExceptionState.h" 35#include "core/dom/Element.h" 36#include "core/dom/Fullscreen.h" 37#include "core/dom/NamedNodeMap.h" 38#include "core/dom/custom/CustomElementProcessingStack.h" 39#include "core/dom/shadow/ShadowRoot.h" 40#include "core/rendering/RenderBoxModelObject.h" 41#include "core/rendering/RenderObject.h" 42#include "public/platform/WebRect.h" 43#include "public/web/WebDocument.h" 44#include "wtf/PassRefPtr.h" 45 46namespace blink { 47 48bool WebElement::isFormControlElement() const 49{ 50 return constUnwrap<Element>()->isFormControlElement(); 51} 52 53bool WebElement::isTextFormControlElement() const 54{ 55 return constUnwrap<Element>()->isTextFormControl(); 56} 57 58WebString WebElement::tagName() const 59{ 60 return constUnwrap<Element>()->tagName(); 61} 62 63bool WebElement::hasHTMLTagName(const WebString& tagName) const 64{ 65 // How to create class nodeName localName 66 // createElement('input') HTMLInputElement INPUT input 67 // createElement('INPUT') HTMLInputElement INPUT input 68 // createElementNS(xhtmlNS, 'input') HTMLInputElement INPUT input 69 // createElementNS(xhtmlNS, 'INPUT') HTMLUnknownElement INPUT INPUT 70 const Element* element = constUnwrap<Element>(); 71 return HTMLNames::xhtmlNamespaceURI == element->namespaceURI() && element->localName() == String(tagName).lower(); 72} 73 74bool WebElement::hasAttribute(const WebString& attrName) const 75{ 76 return constUnwrap<Element>()->hasAttribute(attrName); 77} 78 79void WebElement::removeAttribute(const WebString& attrName) 80{ 81 // TODO: Custom element callbacks need to be called on WebKit API methods that 82 // mutate the DOM in any way. 83 CustomElementProcessingStack::CallbackDeliveryScope deliverCustomElementCallbacks; 84 unwrap<Element>()->removeAttribute(attrName); 85} 86 87WebString WebElement::getAttribute(const WebString& attrName) const 88{ 89 return constUnwrap<Element>()->getAttribute(attrName); 90} 91 92bool WebElement::setAttribute(const WebString& attrName, const WebString& attrValue) 93{ 94 // TODO: Custom element callbacks need to be called on WebKit API methods that 95 // mutate the DOM in any way. 96 CustomElementProcessingStack::CallbackDeliveryScope deliverCustomElementCallbacks; 97 TrackExceptionState exceptionState; 98 unwrap<Element>()->setAttribute(attrName, attrValue, exceptionState); 99 return !exceptionState.hadException(); 100} 101 102unsigned WebElement::attributeCount() const 103{ 104 if (!constUnwrap<Element>()->hasAttributes()) 105 return 0; 106 return constUnwrap<Element>()->attributes().size(); 107} 108 109WebNode WebElement::shadowRoot() const 110{ 111 ShadowRoot* shadowRoot = constUnwrap<Element>()->shadowRoot(); 112 if (!shadowRoot) 113 return WebNode(); 114 return WebNode(shadowRoot->toNode()); 115} 116 117WebString WebElement::attributeLocalName(unsigned index) const 118{ 119 if (index >= attributeCount()) 120 return WebString(); 121 return constUnwrap<Element>()->attributes().at(index).localName(); 122} 123 124WebString WebElement::attributeValue(unsigned index) const 125{ 126 if (index >= attributeCount()) 127 return WebString(); 128 return constUnwrap<Element>()->attributes().at(index).value(); 129} 130 131WebString WebElement::innerText() 132{ 133 return unwrap<Element>()->innerText(); 134} 135 136WebString WebElement::computeInheritedLanguage() const 137{ 138 return WebString(constUnwrap<Element>()->computeInheritedLanguage()); 139} 140 141void WebElement::requestFullScreen() 142{ 143 Element* element = unwrap<Element>(); 144 Fullscreen::from(element->document()).requestFullscreen(*element, Fullscreen::PrefixedMozillaAllowKeyboardInputRequest); 145} 146 147WebRect WebElement::boundsInViewportSpace() 148{ 149 return unwrap<Element>()->boundsInRootViewSpace(); 150} 151 152WebImage WebElement::imageContents() 153{ 154 if (isNull()) 155 return WebImage(); 156 157 Image* image = unwrap<Element>()->imageContents(); 158 if (!image) 159 return WebImage(); 160 161 RefPtr<NativeImageSkia> bitmap = image->nativeImageForCurrentFrame(); 162 if (!bitmap) 163 return WebImage(); 164 165 return bitmap->bitmap(); 166} 167 168WebElement::WebElement(const PassRefPtrWillBeRawPtr<Element>& elem) 169 : WebNode(elem) 170{ 171} 172 173WebElement& WebElement::operator=(const PassRefPtrWillBeRawPtr<Element>& elem) 174{ 175 m_private = elem; 176 return *this; 177} 178 179WebElement::operator PassRefPtrWillBeRawPtr<Element>() const 180{ 181 return toElement(m_private.get()); 182} 183 184} // namespace blink 185