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 namespace blink { 38 39 class Element; 40 struct WebRect; 41 42 // Provides access to some properties of a DOM element node. 43 class WebElement : public WebNode { 44 public: 45 WebElement() : WebNode() { } 46 WebElement(const WebElement& e) : WebNode(e) { } 47 48 WebElement& operator=(const WebElement& e) { WebNode::assign(e); return *this; } 49 void assign(const WebElement& e) { WebNode::assign(e); } 50 51 BLINK_EXPORT bool isFormControlElement() const; 52 BLINK_EXPORT bool isTextFormControlElement() const; 53 // Returns the qualified name, which may contain a prefix and a colon. 54 BLINK_EXPORT WebString tagName() const; 55 // Check if this element has the specified local tag name, and the HTML 56 // namespace. Tag name matching is case-insensitive. 57 BLINK_EXPORT bool hasHTMLTagName(const WebString&) const; 58 BLINK_EXPORT bool hasAttribute(const WebString&) const; 59 BLINK_EXPORT void removeAttribute(const WebString&); 60 BLINK_EXPORT WebString getAttribute(const WebString&) const; 61 BLINK_EXPORT bool setAttribute(const WebString& name, const WebString& value); 62 BLINK_EXPORT WebString innerText(); 63 BLINK_EXPORT void requestFullScreen(); 64 BLINK_EXPORT WebString attributeLocalName(unsigned index) const; 65 BLINK_EXPORT WebString attributeValue(unsigned index) const; 66 BLINK_EXPORT unsigned attributeCount() const; 67 BLINK_EXPORT WebNode shadowRoot() const; 68 69 // Returns the language code specified for this element. This attribute 70 // is inherited, so the returned value is drawn from the closest parent 71 // element that has the lang attribute set, or from the HTTP 72 // "Content-Language" header as a fallback. 73 BLINK_EXPORT WebString computeInheritedLanguage() const; 74 75 // Returns the bounds of the element in viewport space. The bounds 76 // have been adjusted to include any transformations. This view is 77 // also called the Root View in Blink. 78 // This function will update the layout if required. 79 BLINK_EXPORT WebRect boundsInViewportSpace(); 80 81 // Returns the image contents of this element or a null WebImage 82 // if there isn't any. 83 BLINK_EXPORT WebImage imageContents(); 84 85 #if BLINK_IMPLEMENTATION 86 WebElement(const PassRefPtrWillBeRawPtr<Element>&); 87 WebElement& operator=(const PassRefPtrWillBeRawPtr<Element>&); 88 operator PassRefPtrWillBeRawPtr<Element>() const; 89 #endif 90 }; 91 92 } // namespace blink 93 94 #endif 95
