/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * The origin of this IDL file is
 * http://dom.spec.whatwg.org/#element and
 * http://domparsing.spec.whatwg.org/ and
 * http://dev.w3.org/csswg/cssom-view/ and
 * http://www.w3.org/TR/selectors-api/
 *
 * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
 * liability, trademark and document use rules apply.
 */

interface Attr;
interface NamedNodeMap;

interface Element : Node {
/*
  We haven't moved these from Node to Element like the spec wants.

  [Throws]
  readonly attribute DOMString? namespaceURI;
  readonly attribute DOMString? prefix;
  readonly attribute DOMString localName;
*/
  // Not [Constant] because it depends on which document we're in
  readonly attribute DOMString tagName;

           attribute DOMString id;
/*
  FIXME Bug 810677 Move className from HTMLElement to Element
           attribute DOMString className;
*/
  [Constant]
  readonly attribute DOMTokenList? classList;

  //readonly attribute Attr[] attributes;
  DOMString? getAttribute(DOMString name);
  DOMString? getAttributeNS(DOMString? namespace, DOMString localName);
  [Throws]
  void setAttribute(DOMString name, DOMString value);
  [Throws]
  void setAttributeNS(DOMString? namespace, DOMString name, DOMString value);
  [Throws]
  void removeAttribute(DOMString name);
  [Throws]
  void removeAttributeNS(DOMString? namespace, DOMString localName);
  boolean hasAttribute(DOMString name);
  boolean hasAttributeNS(DOMString? namespace, DOMString localName);

  HTMLCollection getElementsByTagName(DOMString localName);
  [Throws]
  HTMLCollection getElementsByTagNameNS(DOMString? namespace, DOMString localName);
  HTMLCollection getElementsByClassName(DOMString classNames);

  [Constant]
  readonly attribute HTMLCollection children;
  readonly attribute Element? firstElementChild;
  readonly attribute Element? lastElementChild;
  readonly attribute Element? previousElementSibling;
  readonly attribute Element? nextElementSibling;
  readonly attribute unsigned long childElementCount;

  // NEW
/*
  FIXME We haven't implemented these yet.

  void prepend((Node or DOMString)... nodes);
  void append((Node or DOMString)... nodes);
  void before((Node or DOMString)... nodes);
  void after((Node or DOMString)... nodes);
  void replace((Node or DOMString)... nodes);
  void remove();
*/

  // Mozilla specific stuff

  [SetterThrows,LenientThis]
           attribute EventHandler onmouseenter;
  [SetterThrows,LenientThis]
           attribute EventHandler onmouseleave;
  [SetterThrows]
           attribute EventHandler onwheel;

  // Selectors API
  /**
   * Returns whether this element would be selected by the given selector
   * string.
   *
   * See <http://dev.w3.org/2006/webapi/selectors-api2/#matchesselector>
   */
  [Throws]
  boolean mozMatchesSelector(DOMString selector);

  // Proprietary extensions
  /**
   * Set this during a mousedown event to grab and retarget all mouse events
   * to this element until the mouse button is released or releaseCapture is
   * called. If retargetToElement is true, then all events are targetted at
   * this element. If false, events can also fire at descendants of this
   * element.
   * 
   */
  void setCapture(optional boolean retargetToElement = false);

  /**
   * If this element has captured the mouse, release the capture. If another
   * element has captured the mouse, this method has no effect.
   */
  void releaseCapture();

  // Mozilla extensions
  /**
   * Requests that this element be made the full-screen element, as per the DOM
   * full-screen api.
   *
   * @see <https://wiki.mozilla.org/index.php?title=Gecko:FullScreenAPI>
   */
  void mozRequestFullScreen();

  /**
   * Requests that this element be made the pointer-locked element, as per the DOM
   * pointer lock api.
   *
   * @see <http://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html>
   */
  void mozRequestPointerLock();

  // Obsolete methods.
  Attr getAttributeNode(DOMString name);
  [Throws]
  Attr setAttributeNode(Attr newAttr);
  [Throws]
  Attr removeAttributeNode(Attr oldAttr);
  [Throws]
  Attr getAttributeNodeNS(DOMString? namespaceURI, DOMString localName);
  [Throws]
  Attr setAttributeNodeNS(Attr newAttr);
/*
};

// http://dev.w3.org/csswg/cssom-view/#extensions-to-the-element-interface
partial interface Element {
*/
  [Throws]
  ClientRectList getClientRects();
  ClientRect getBoundingClientRect();

  // scrolling
  void scrollIntoView(optional boolean top = true);
           attribute long scrollTop;   // scroll on setting
           attribute long scrollLeft;  // scroll on setting
  readonly attribute long scrollWidth;
  readonly attribute long scrollHeight;

  readonly attribute long clientTop;
  readonly attribute long clientLeft;
  readonly attribute long clientWidth;
  readonly attribute long clientHeight;

  // Mozilla specific stuff
  /* The maximum offset that the element can be scrolled to
     (i.e., the value that scrollLeft/scrollTop would be clamped to if they were
     set to arbitrarily large values. */
  readonly attribute long scrollTopMax;
  readonly attribute long scrollLeftMax;
/*
};

// http://domparsing.spec.whatwg.org/#extensions-to-the-element-interface
partial interface Element {
*/
  [Throws,TreatNullAs=EmptyString]
  attribute DOMString innerHTML;
  [Throws,TreatNullAs=EmptyString]
  attribute DOMString outerHTML;
  [Throws]
  void insertAdjacentHTML(DOMString position, DOMString text);
/*
};

// http://www.w3.org/TR/selectors-api/#interface-definitions
partial interface Element {
*/
  [Throws]
  Element?  querySelector(DOMString selectors);
  [Throws]
  NodeList  querySelectorAll(DOMString selectors);
};