// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// https://www.w3.org/TR/2013/WD-cssom-20131205/#the-cssrule-interface

interface CSSRule {
  const unsigned short STYLE_RULE = 1;
  const unsigned short CHARSET_RULE = 2;
  const unsigned short IMPORT_RULE = 3;
  const unsigned short MEDIA_RULE = 4;
  const unsigned short FONT_FACE_RULE = 5;
  const unsigned short PAGE_RULE = 6;

  // KEYFRAMES_RULE and KEYFRAME_RULE are specified in CSS Animations:
  //   https://www.w3.org/TR/2013/WD-css3-animations-20130219/#CSSRule-interface
  const unsigned short KEYFRAMES_RULE = 7;
  const unsigned short KEYFRAME_RULE = 8;

  const unsigned short MARGIN_RULE = 9;
  const unsigned short NAMESPACE_RULE = 10;
  readonly attribute unsigned short type;
  [TreatNullAs=EmptyString, RaisesException] attribute DOMString cssText;
  readonly attribute CSSRule? parentRule;
  readonly attribute CSSStyleSheet? parentStyleSheet;
};