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 #ifndef WebElement_h 32 #define WebElement_h 33 34 #include "../platform/WebImage.h" 35 #include "WebNode.h" 36 37 #if BLINK_IMPLEMENTATION 38 namespace WebCore { class Element; } 39 #endif 40 41 namespace blink { 42 struct WebRect; 43 44 // Provides access to some properties of a DOM element node. 45 class WebElement : public WebNode { 46 public: WebElement()47 WebElement() : WebNode() { } WebElement(const WebElement & e)48 WebElement(const WebElement& e) : WebNode(e) { } 49 50 WebElement& operator=(const WebElement& e) { WebNode::assign(e); return *this; } assign(const WebElement & e)51 void assign(const WebElement& e) { WebNode::assign(e); } 52 53 BLINK_EXPORT bool isFormControlElement() const; 54 BLINK_EXPORT bool isTextFormControlElement() const; 55 // Returns the qualified name, which may contain a prefix and a colon. 56 BLINK_EXPORT WebString tagName() const; 57 // Check if this element has the specified qualified name. This function 58 // doesn't makes much sense because we have no ways to check namespace 59 // URI. Do not use this. 60 BLINK_EXPORT bool hasTagName(const WebString&) const; 61 // Check if this element has the specified local tag name, and the HTML 62 // namespace. Tag name matching is case-insensitive. 63 BLINK_EXPORT bool hasHTMLTagName(const WebString&) const; 64 BLINK_EXPORT bool hasAttribute(const WebString&) const; 65 BLINK_EXPORT void removeAttribute(const WebString&); 66 BLINK_EXPORT WebString getAttribute(const WebString&) const; 67 BLINK_EXPORT bool setAttribute(const WebString& name, const WebString& value); 68 BLINK_EXPORT WebString innerText(); 69 BLINK_EXPORT void requestFullScreen(); 70 BLINK_EXPORT WebString attributeLocalName(unsigned index) const; 71 BLINK_EXPORT WebString attributeValue(unsigned index) const; 72 BLINK_EXPORT unsigned attributeCount() const; 73 BLINK_EXPORT WebNode shadowRoot() const; 74 75 // Returns the language code specified for this element. This attribute 76 // is inherited, so the returned value is drawn from the closest parent 77 // element that has the lang attribute set, or from the HTTP 78 // "Content-Language" header as a fallback. 79 BLINK_EXPORT WebString computeInheritedLanguage() const; 80 81 // Returns the bounds of the element in viewport space. The bounds 82 // have been adjusted to include any transformations. This view is 83 // also called the Root View in WebKit. 84 // This function will update the layout if required. 85 BLINK_EXPORT WebRect boundsInViewportSpace(); 86 87 // Returns the image contents of this element or a null WebImage 88 // if there isn't any. 89 BLINK_EXPORT WebImage imageContents(); 90 91 #if BLINK_IMPLEMENTATION 92 WebElement(const PassRefPtrWillBeRawPtr<WebCore::Element>&); 93 WebElement& operator=(const PassRefPtrWillBeRawPtr<WebCore::Element>&); 94 operator PassRefPtrWillBeRawPtr<WebCore::Element>() const; 95 #endif 96 }; 97 98 } // namespace blink 99 100 #endif 101