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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 "config.h"
#include "core/StylePropertyShorthand.h"
namespace WebCore {
const StylePropertyShorthand& borderShorthandForParsing()
{
static const CSSPropertyID borderShorthandProperties[] = { CSSPropertyBorderWidth, CSSPropertyBorderStyle, CSSPropertyBorderColor };
static const StylePropertyShorthand* propertiesForInitialization[] = {
&borderWidthShorthand(),
&borderStyleShorthand(),
&borderColorShorthand(),
};
DEFINE_STATIC_LOCAL(StylePropertyShorthand, borderForParsingLonghands, (CSSPropertyBorder, borderShorthandProperties, propertiesForInitialization, WTF_ARRAY_LENGTH(borderShorthandProperties)));
return borderForParsingLonghands;
}
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;
}
const StylePropertyShorthand& webkitAnimationShorthandForParsing()
{
// 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[] = {
CSSPropertyWebkitAnimationDuration,
CSSPropertyWebkitAnimationTimingFunction,
CSSPropertyWebkitAnimationDelay,
CSSPropertyWebkitAnimationIterationCount,
CSSPropertyWebkitAnimationDirection,
CSSPropertyWebkitAnimationFillMode,
CSSPropertyWebkitAnimationPlayState,
CSSPropertyWebkitAnimationName
};
DEFINE_STATIC_LOCAL(StylePropertyShorthand, webkitAnimationLonghandsForParsing, (CSSPropertyWebkitAnimation, 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;
}
const StylePropertyShorthand& webkitTransitionShorthandForParsing()
{
static const CSSPropertyID webkitTransitionProperties[] = {
CSSPropertyWebkitTransitionDuration,
CSSPropertyWebkitTransitionTimingFunction,
CSSPropertyWebkitTransitionDelay,
CSSPropertyWebkitTransitionProperty
};
DEFINE_STATIC_LOCAL(StylePropertyShorthand, webkitTransitionLonghands, (CSSPropertyWebkitTransition, webkitTransitionProperties, WTF_ARRAY_LENGTH(webkitTransitionProperties)));
return webkitTransitionLonghands;
}
// Returns an empty list if the property is not a shorthand, otherwise the list of longhands for parsing.
const StylePropertyShorthand& parsingShorthandForProperty(CSSPropertyID propertyID)
{
switch (propertyID) {
case CSSPropertyAnimation:
return animationShorthandForParsing();
case CSSPropertyBorder:
return borderShorthandForParsing();
case CSSPropertyWebkitAnimation:
return webkitAnimationShorthandForParsing();
case CSSPropertyTransition:
return transitionShorthandForParsing();
case CSSPropertyWebkitTransition:
return webkitTransitionShorthandForParsing();
default:
return shorthandForProperty(propertyID);
}
}
bool isExpandedShorthand(CSSPropertyID id)
{
// The system fonts bypass the normal style resolution by using RenderTheme,
// thus we need to special case it here. FIXME: This is a violation of CSS 3 Fonts
// as we should still be able to change the longhands.
// DON'T ADD ANY SHORTHAND HERE UNLESS IT ISN'T ALWAYS EXPANDED AT PARSE TIME (which is wrong).
if (id == CSSPropertyFont)
return false;
return shorthandForProperty(id).length();
}
bool isExpandedShorthandForAll(CSSPropertyID propertyId)
{
// FIXME: isExpandedShorthand says "font" is not an expanded shorthand,
// but font is expanded to font-family, font-size, and so on.
// StylePropertySerializer::asText should not generate css text like
// "font: initial; font-family: initial;...". To avoid this, we need to
// treat "font" as an expanded shorthand.
// And while applying "all" property, we cannot apply "font" property
// directly. This causes ASSERT crash, because StyleBuilder assume that
// all given properties are not expanded shorthands.
// "marker" has the same issue.
if (propertyId == CSSPropertyMarker || propertyId == CSSPropertyFont)
return true;
return shorthandForProperty(propertyId).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 WebCore
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