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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 "core/svg/SVGElementRareData.h"
#include "core/css/resolver/StyleResolver.h"
#include "core/dom/Document.h"
#include "core/svg/SVGElementProxy.h"
namespace blink {
MutableStylePropertySet*
SVGElementRareData::ensureAnimatedSMILStyleProperties() {
if (!m_animatedSMILStyleProperties)
m_animatedSMILStyleProperties =
MutableStylePropertySet::create(SVGAttributeMode);
return m_animatedSMILStyleProperties.get();
}
ComputedStyle* SVGElementRareData::overrideComputedStyle(
Element* element,
const ComputedStyle* parentStyle) {
ASSERT(element);
if (!m_useOverrideComputedStyle)
return nullptr;
if (!m_overrideComputedStyle || m_needsOverrideComputedStyleUpdate) {
// The style computed here contains no CSS Animations/Transitions or SMIL
// induced rules - this is needed to compute the "base value" for the SMIL
// animation sandwhich model.
m_overrideComputedStyle =
element->document().ensureStyleResolver().styleForElement(
element, parentStyle, DisallowStyleSharing,
MatchAllRulesExcludingSMIL);
m_needsOverrideComputedStyleUpdate = false;
}
ASSERT(m_overrideComputedStyle);
return m_overrideComputedStyle.get();
}
DEFINE_TRACE(SVGElementRareData) {
visitor->trace(m_outgoingReferences);
visitor->trace(m_incomingReferences);
visitor->trace(m_elementProxySet);
visitor->trace(m_animatedSMILStyleProperties);
visitor->trace(m_elementInstances);
visitor->trace(m_correspondingElement);
visitor->trace(m_owner);
}
AffineTransform* SVGElementRareData::animateMotionTransform() {
return &m_animateMotionTransform;
}
SVGElementProxySet& SVGElementRareData::ensureElementProxySet() {
if (!m_elementProxySet)
m_elementProxySet = new SVGElementProxySet;
return *m_elementProxySet;
}
} // namespace blink
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