File: StylePropertyShorthandCustom.cpp

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/*
 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2013 Intel Corporation. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "core/StylePropertyShorthand.h"

namespace blink {

const StylePropertyShorthand& animationShorthandForParsing() {
  // When we parse the animation shorthand we need to look for animation-name
  // last because otherwise it might match against the keywords for fill mode,
  // timing functions and infinite iteration. This means that animation names
  // that are the same as keywords (e.g. 'forwards') won't always match in the
  // shorthand. In that case the authors should be using longhands (or
  // reconsidering their approach). This is covered by the animations spec
  // bug: https://www.w3.org/Bugs/Public/show_bug.cgi?id=14790
  // And in the spec (editor's draft) at:
  // http://dev.w3.org/csswg/css3-animations/#animation-shorthand-property
  static const CSSPropertyID animationPropertiesForParsing[] = {
      CSSPropertyAnimationDuration,  CSSPropertyAnimationTimingFunction,
      CSSPropertyAnimationDelay,     CSSPropertyAnimationIterationCount,
      CSSPropertyAnimationDirection, CSSPropertyAnimationFillMode,
      CSSPropertyAnimationPlayState, CSSPropertyAnimationName};
  DEFINE_STATIC_LOCAL(StylePropertyShorthand,
                      webkitAnimationLonghandsForParsing,
                      (CSSPropertyAnimation, animationPropertiesForParsing,
                       WTF_ARRAY_LENGTH(animationPropertiesForParsing)));
  return webkitAnimationLonghandsForParsing;
}

// Similar to animations, we have property after timing-function and delay after
// duration
const StylePropertyShorthand& transitionShorthandForParsing() {
  static const CSSPropertyID transitionProperties[] = {
      CSSPropertyTransitionDuration, CSSPropertyTransitionTimingFunction,
      CSSPropertyTransitionDelay, CSSPropertyTransitionProperty};
  DEFINE_STATIC_LOCAL(StylePropertyShorthand, transitionLonghands,
                      (CSSPropertyTransition, transitionProperties,
                       WTF_ARRAY_LENGTH(transitionProperties)));
  return transitionLonghands;
}

bool isShorthandProperty(CSSPropertyID id) {
  return shorthandForProperty(id).length();
}

unsigned indexOfShorthandForLonghand(
    CSSPropertyID shorthandID,
    const Vector<StylePropertyShorthand, 4>& shorthands) {
  for (unsigned i = 0; i < shorthands.size(); ++i) {
    if (shorthands.at(i).id() == shorthandID)
      return i;
  }
  ASSERT_NOT_REACHED();
  return 0;
}

}  // namespace blink