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47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef DefaultStyleInterpolation_h
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#define DefaultStyleInterpolation_h
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#include "core/animation/StyleInterpolation.h"
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#include "core/css/resolver/StyleBuilder.h"
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namespace blink {
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class DefaultStyleInterpolation : public StyleInterpolation {
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public:
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static PassRefPtrWillBeRawPtr<DefaultStyleInterpolation> create(CSSValue* start, CSSValue* end, CSSPropertyID id)
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{
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return adoptRefWillBeNoop(new DefaultStyleInterpolation(start, end, id));
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}
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virtual void apply(StyleResolverState& state) const
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{
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StyleBuilder::applyProperty(m_id, state, toInterpolableBool(m_cachedValue.get())->value() ? m_endCSSValue.get() : m_startCSSValue.get());
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}
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virtual void trace(Visitor* visitor) OVERRIDE
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{
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StyleInterpolation::trace(visitor);
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visitor->trace(m_startCSSValue);
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visitor->trace(m_endCSSValue);
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}
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private:
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DefaultStyleInterpolation(CSSValue* start, CSSValue* end, CSSPropertyID id)
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: StyleInterpolation(InterpolableBool::create(false), InterpolableBool::create(true), id)
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, m_startCSSValue(start)
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, m_endCSSValue(end)
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{
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}
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RefPtrWillBeMember<CSSValue> m_startCSSValue;
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RefPtrWillBeMember<CSSValue> m_endCSSValue;
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};
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}
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#endif
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