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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "core/animation/StringKeyframe.h"
#include "core/animation/css/CSSAnimations.h"
#include "core/animation/interpolation/DefaultStyleInterpolation.h"
#include "core/animation/interpolation/DeferredLegacyStyleInterpolation.h"
#include "core/animation/interpolation/LegacyStyleInterpolation.h"
#include "core/animation/interpolation/LengthStyleInterpolation.h"
#include "core/css/resolver/StyleResolver.h"
#include "core/rendering/style/RenderStyle.h"
namespace WebCore {
StringKeyframe::StringKeyframe(const StringKeyframe& copyFrom)
: Keyframe(copyFrom.m_offset, copyFrom.m_composite, copyFrom.m_easing)
, m_propertySet(copyFrom.m_propertySet->mutableCopy())
{
}
void StringKeyframe::setPropertyValue(CSSPropertyID property, const String& value, StyleSheetContents* styleSheetContents)
{
ASSERT(property != CSSPropertyInvalid);
if (CSSAnimations::isAllowedAnimation(property))
m_propertySet->setProperty(property, value, false, styleSheetContents);
}
PropertySet StringKeyframe::properties() const
{
// This is not used in time-critical code, so we probably don't need to
// worry about caching this result.
PropertySet properties;
for (unsigned i = 0; i < m_propertySet->propertyCount(); ++i)
properties.add(m_propertySet->propertyAt(i).id());
return properties;
}
PassRefPtrWillBeRawPtr<Keyframe> StringKeyframe::clone() const
{
return adoptRefWillBeNoop(new StringKeyframe(*this));
}
PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> StringKeyframe::createPropertySpecificKeyframe(CSSPropertyID property) const
{
return adoptPtrWillBeNoop(new PropertySpecificKeyframe(offset(), easing(), propertyValue(property), composite()));
}
void StringKeyframe::trace(Visitor* visitor)
{
visitor->trace(m_propertySet);
Keyframe::trace(visitor);
}
StringKeyframe::PropertySpecificKeyframe::PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, CSSValue* value, AnimationEffect::CompositeOperation op)
: Keyframe::PropertySpecificKeyframe(offset, easing, op)
, m_value(value)
{ }
StringKeyframe::PropertySpecificKeyframe::PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, CSSValue* value)
: Keyframe::PropertySpecificKeyframe(offset, easing, AnimationEffect::CompositeReplace)
, m_value(value)
{
ASSERT(!isNull(m_offset));
}
PassRefPtrWillBeRawPtr<Interpolation> StringKeyframe::PropertySpecificKeyframe::createInterpolation(CSSPropertyID property, Keyframe::PropertySpecificKeyframe* end, Element* element) const
{
CSSValue* fromCSSValue = m_value.get();
CSSValue* toCSSValue = toStringPropertySpecificKeyframe(end)->value();
ValueRange range = ValueRangeAll;
if (!CSSAnimations::isAnimatableProperty(property))
return DefaultStyleInterpolation::create(fromCSSValue, toCSSValue, property);
switch (property) {
case CSSPropertyBorderBottomWidth:
case CSSPropertyBorderLeftWidth:
case CSSPropertyBorderRightWidth:
case CSSPropertyBorderTopWidth:
case CSSPropertyFontSize:
case CSSPropertyHeight:
case CSSPropertyLineHeight:
case CSSPropertyMaxHeight:
case CSSPropertyMaxWidth:
case CSSPropertyMinHeight:
case CSSPropertyMinWidth:
case CSSPropertyOutlineWidth:
case CSSPropertyPaddingBottom:
case CSSPropertyPaddingLeft:
case CSSPropertyPaddingRight:
case CSSPropertyPaddingTop:
case CSSPropertyPerspective:
case CSSPropertyShapeMargin:
case CSSPropertyWidth:
range = ValueRangeNonNegative;
// Fall through
case CSSPropertyBottom:
case CSSPropertyLeft:
case CSSPropertyLetterSpacing:
case CSSPropertyMarginBottom:
case CSSPropertyMarginLeft:
case CSSPropertyMarginRight:
case CSSPropertyMarginTop:
case CSSPropertyOutlineOffset:
case CSSPropertyRight:
case CSSPropertyTop:
case CSSPropertyVerticalAlign:
case CSSPropertyWordSpacing:
if (LengthStyleInterpolation::canCreateFrom(*fromCSSValue) && LengthStyleInterpolation::canCreateFrom(*toCSSValue))
return LengthStyleInterpolation::create(fromCSSValue, toCSSValue, property, range);
break;
default:
break;
}
if (DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(*fromCSSValue) || DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(*toCSSValue))
return DeferredLegacyStyleInterpolation::create(fromCSSValue, toCSSValue, property);
// FIXME: Remove the use of AnimatableValues, RenderStyles and Elements here.
// FIXME: Remove this cache
ASSERT(element);
if (!m_animatableValueCache)
m_animatableValueCache = StyleResolver::createAnimatableValueSnapshot(*element, property, *fromCSSValue);
RefPtrWillBeRawPtr<AnimatableValue> to = StyleResolver::createAnimatableValueSnapshot(*element, property, *toCSSValue);
toStringPropertySpecificKeyframe(end)->m_animatableValueCache = to;
return LegacyStyleInterpolation::create(m_animatableValueCache.get(), to.release(), property);
}
PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> StringKeyframe::PropertySpecificKeyframe::neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const
{
return adoptPtrWillBeNoop(new PropertySpecificKeyframe(offset, easing, 0, AnimationEffect::CompositeAdd));
}
PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> StringKeyframe::PropertySpecificKeyframe::cloneWithOffset(double offset) const
{
Keyframe::PropertySpecificKeyframe* theClone = new PropertySpecificKeyframe(offset, m_easing, m_value.get());
toStringPropertySpecificKeyframe(theClone)->m_animatableValueCache = m_animatableValueCache;
return adoptPtrWillBeNoop(theClone);
}
void StringKeyframe::PropertySpecificKeyframe::trace(Visitor* visitor)
{
visitor->trace(m_value);
visitor->trace(m_animatableValueCache);
Keyframe::PropertySpecificKeyframe::trace(visitor);
}
}
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