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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ElementShadowV0_h
#define ElementShadowV0_h
#include "bindings/core/v8/ScriptWrappable.h"
#include "core/CoreExport.h"
#include "core/dom/shadow/InsertionPoint.h"
#include "core/dom/shadow/SelectRuleFeatureSet.h"
#include "platform/heap/Handle.h"
#include "wtf/Noncopyable.h"
namespace blink {
class CORE_EXPORT ElementShadowV0 final
: public GarbageCollectedFinalized<ElementShadowV0>,
public TraceWrapperBase {
WTF_MAKE_NONCOPYABLE(ElementShadowV0);
public:
static ElementShadowV0* create(ElementShadow&);
~ElementShadowV0();
void willAffectSelector();
const SelectRuleFeatureSet& ensureSelectFeatureSet();
const InsertionPoint* finalDestinationInsertionPointFor(const Node*) const;
const DestinationInsertionPoints* destinationInsertionPointsFor(
const Node*) const;
void distribute();
void didDistributeNode(const Node*, InsertionPoint*);
void clearDistribution();
DECLARE_TRACE();
DECLARE_TRACE_WRAPPERS();
private:
explicit ElementShadowV0(ElementShadow&);
ShadowRoot& youngestShadowRoot() const;
ShadowRoot& oldestShadowRoot() const;
void distributeNodeChildrenTo(InsertionPoint*, ContainerNode*);
void collectSelectFeatureSetFrom(const ShadowRoot&);
bool needsSelectFeatureSet() const { return m_needsSelectFeatureSet; }
void setNeedsSelectFeatureSet() { m_needsSelectFeatureSet = true; }
Member<ElementShadow> m_elementShadow;
using NodeToDestinationInsertionPoints =
HeapHashMap<Member<const Node>, Member<DestinationInsertionPoints>>;
NodeToDestinationInsertionPoints m_nodeToInsertionPoints;
SelectRuleFeatureSet m_selectFeatures;
bool m_needsSelectFeatureSet;
};
} // namespace blink
#endif
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