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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 "third_party/blink/renderer/core/svg/svg_element_rare_data.h"
#include "third_party/blink/renderer/core/css/resolver/style_resolver.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/layout/svg/svg_resources.h"
namespace blink {
MutableCSSPropertyValueSet*
SVGElementRareData::EnsureAnimatedSMILStyleProperties() {
if (!animated_smil_style_properties_) {
animated_smil_style_properties_ =
MutableCSSPropertyValueSet::Create(kSVGAttributeMode);
}
return animated_smil_style_properties_.Get();
}
ComputedStyle* SVGElementRareData::OverrideComputedStyle(
Element* element,
const ComputedStyle* parent_style) {
DCHECK(element);
if (!use_override_computed_style_)
return nullptr;
if (!override_computed_style_ || needs_override_computed_style_update_) {
// 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.
override_computed_style_ =
element->GetDocument().EnsureStyleResolver().StyleForElement(
element, parent_style, parent_style, kMatchAllRulesExcludingSMIL);
needs_override_computed_style_update_ = false;
}
DCHECK(override_computed_style_);
return override_computed_style_.get();
}
void SVGElementRareData::ClearOverriddenComputedStyle() {
override_computed_style_ = nullptr;
}
SVGResourceClient& SVGElementRareData::EnsureSVGResourceClient(
SVGElement* element) {
if (!resource_client_)
resource_client_ = MakeGarbageCollected<SVGElementResourceClient>(element);
return *resource_client_;
}
void SVGElementRareData::Trace(blink::Visitor* visitor) {
visitor->Trace(outgoing_references_);
visitor->Trace(incoming_references_);
visitor->Trace(animated_smil_style_properties_);
visitor->Trace(element_instances_);
visitor->Trace(corresponding_element_);
visitor->Trace(resource_client_);
}
AffineTransform* SVGElementRareData::AnimateMotionTransform() {
return &animate_motion_transform_;
}
} // namespace blink
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