// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

part of $LIBRARYNAME;

@DocsEditable()
$(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME extends Node
{

$!MEMBERS
  /**
   * Finds all descendant elements of this document that match the specified
   * group of selectors.
   *
   * Unless your webpage contains multiple documents, the top-level
   * [querySelectorAll]
   * method behaves the same as this method, so you should use it instead to
   * save typing a few characters.
   *
   * [selectors] should be a string using CSS selector syntax.
   *
   *     var items = document.querySelectorAll('.itemClassName');
   *
   * For details about CSS selector syntax, see the
   * [CSS selector specification](http://www.w3.org/TR/css3-selectors/).
   */
  ElementList<Element /*=T*/> querySelectorAll/*<T extends Element>*/(String selectors) =>
    new _FrozenElementList/*<T>*/._wrap(_querySelectorAll(selectors));

  /**
   * Alias for [querySelector]. Note this function is deprecated because its
   * semantics will be changing in the future.
   */
  @deprecated
  @Experimental()
  @DomName('Document.querySelector')
  Element query(String relativeSelectors) => querySelector(relativeSelectors);

  /**
   * Alias for [querySelectorAll]. Note this function is deprecated because its
   * semantics will be changing in the future.
   */
  @deprecated
  @Experimental()
  @DomName('Document.querySelectorAll')
  ElementList<Element /*=T*/> queryAll/*<T extends Element>*/(String relativeSelectors) =>
      querySelectorAll(relativeSelectors);

  /// Checks if [registerElement] is supported on the current platform.
  bool get supportsRegisterElement {
$if DART2JS
    return JS('bool', '("registerElement" in #)', this);
$else
    return true;
$endif
  }

  /// *Deprecated*: use [supportsRegisterElement] instead.
  @deprecated
  bool get supportsRegister => supportsRegisterElement;

  @DomName('Document.createElement')
  Element createElement(String tagName, [String typeExtension]) {
$if DART2JS
    return (typeExtension == null)
        ? _createElement_2(tagName)
        : _createElement(tagName, typeExtension);
$else
    return (typeExtension == null) ?
      _blink.BlinkDocument.instance.createElement_Callback_1_(this, tagName) :
      _blink.BlinkDocument.instance.createElement_Callback_2_(this, tagName, typeExtension);
$endif
  }

$if DART2JS
  // The two-argument version of this is automatically generated, but we need to
  // omit the typeExtension if it's null on Firefox or we get an is="null" attribute.
  @DomName('Document.createElement')
  _createElement_2(String tagName) =>
      JS('Element', '#.createElement(#)', this, tagName);

  // The three-argument version of this is automatically generated, but we need to
  // omit the typeExtension if it's null on Firefox or we get an is="null" attribute.
  @DomName('Document.createElementNS')
  _createElementNS_2(String namespaceURI, String qualifiedName) =>
      JS('Element', '#.createElementNS(#, #)', this, namespaceURI, qualifiedName);

$endif
  @DomName('Document.createElementNS')
  @DocsEditable()
  Element createElementNS(String namespaceURI, String qualifiedName, [String typeExtension]) {
$if DART2JS
    return (typeExtension == null)
        ? _createElementNS_2(namespaceURI, qualifiedName)
        : _createElementNS(namespaceURI, qualifiedName, typeExtension);
$else
    return (typeExtension == null) ?
      _blink.BlinkDocument.instance.createElementNS_Callback_2_(this, namespaceURI, qualifiedName) :
      _blink.BlinkDocument.instance.createElementNS_Callback_3_(this, namespaceURI, qualifiedName, typeExtension);    
$endif
  }

$if DART2JS
  @DomName('Document.createNodeIterator')
  NodeIterator _createNodeIterator(Node root,
      [int whatToShow, NodeFilter filter])
      => JS('NodeIterator', '#.createNodeIterator(#, #, #, false)',
          this, root, whatToShow, filter);

  @DomName('Document.createTreeWalker')
  TreeWalker _createTreeWalker(Node root,
      [int whatToShow, NodeFilter filter])
      => JS('TreeWalker', '#.createTreeWalker(#, #, #, false)',
          this, root, whatToShow, filter);
$endif

  @DomName('Document.visibilityState')
  @SupportedBrowser(SupportedBrowser.CHROME)
  @SupportedBrowser(SupportedBrowser.FIREFOX)
  @SupportedBrowser(SupportedBrowser.IE, '10')
  @Experimental()
$if DART2JS
  String get visibilityState => JS('String',
    '(#.visibilityState || #.mozVisibilityState || #.msVisibilityState ||'
      '#.webkitVisibilityState)', this, this, this, this);
$else
  String get visibilityState => _visibilityState;
$endif
}