text: /*
   * Copyright (C) 2009 Google Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef WebElement_h
  #define WebElement_h
  
  #include "../platform/WebImage.h"
  #include "WebNode.h"
  
  namespace blink {
  
  class Element;
  struct WebRect;
  
  // Provides access to some properties of a DOM element node.
  class WebElement : public WebNode {
   public:
    WebElement() : WebNode() {}
    WebElement(const WebElement& e) : WebNode(e) {}
  
    WebElement& operator=(const WebElement& e) {
      WebNode::assign(e);
      return *this;
    }
    void assign(const WebElement& e) { WebNode::assign(e); }
  
    BLINK_EXPORT bool isFormControlElement() const;
    BLINK_EXPORT bool isTextFormControlElement() const;
    // If the element is editable, for example by being contenteditable or being
    // an <input> that isn't readonly or disabled.
    BLINK_EXPORT bool isEditable() const;
    // Returns the qualified name, which may contain a prefix and a colon.
    BLINK_EXPORT WebString tagName() const;
    // Check if this element has the specified local tag name, and the HTML
    // namespace. Tag name matching is case-insensitive.
    BLINK_EXPORT bool hasHTMLTagName(const WebString&) const;
    BLINK_EXPORT bool hasAttribute(const WebString&) const;
    BLINK_EXPORT WebString getAttribute(const WebString&) const;
    BLINK_EXPORT void setAttribute(const WebString& name, const WebString& value);
    BLINK_EXPORT WebString textContent() const;
    BLINK_EXPORT WebString attributeLocalName(unsigned index) const;
    BLINK_EXPORT WebString attributeValue(unsigned index) const;
    BLINK_EXPORT unsigned attributeCount() const;
  
    // If this element takes up space in the layout of the page.
    BLINK_EXPORT bool hasNonEmptyLayoutSize() const;
  
    // Returns the bounds of the element in Visual Viewport. The bounds
    // have been adjusted to include any transformations, including page scale.
    // This function will update the layout if required.
    BLINK_EXPORT WebRect boundsInViewport() const;
  
    // Returns the image contents of this element or a null WebImage
    // if there isn't any.
    BLINK_EXPORT WebImage imageContents();
  
  #if BLINK_IMPLEMENTATION
    BLINK_EXPORT WebElement(Element*);
    BLINK_EXPORT WebElement& operator=(Element*);
    BLINK_EXPORT operator Element*() const;
  #endif
  };
  
  DECLARE_WEB_NODE_TYPE_CASTS(WebElement);
  
  }  // namespace blink
  
  #endif
  