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/*
* Copyright (C) 2023 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
#pragma once
#include <WebCore/CollectionIndexCacheInlines.h>
#include <WebCore/LiveNodeList.h>
#include <WebCore/NodeInlines.h>
#include <WebCore/TreeScopeInlines.h>
namespace WebCore {
ALWAYS_INLINE bool shouldInvalidateTypeOnAttributeChange(NodeListInvalidationType type, const QualifiedName& attrName)
{
switch (type) {
case NodeListInvalidationType::InvalidateOnClassAttrChange:
return attrName == HTMLNames::classAttr;
case NodeListInvalidationType::InvalidateOnNameAttrChange:
return attrName == HTMLNames::nameAttr;
case NodeListInvalidationType::InvalidateOnIdNameAttrChange:
return attrName == HTMLNames::idAttr || attrName == HTMLNames::nameAttr;
case NodeListInvalidationType::InvalidateOnForTypeAttrChange:
return attrName == HTMLNames::forAttr || attrName == HTMLNames::typeAttr;
case NodeListInvalidationType::InvalidateForFormControls:
return attrName == HTMLNames::nameAttr || attrName == HTMLNames::idAttr || attrName == HTMLNames::forAttr
|| attrName == HTMLNames::formAttr || attrName == HTMLNames::typeAttr;
case NodeListInvalidationType::InvalidateOnHRefAttrChange:
return attrName == HTMLNames::hrefAttr;
case NodeListInvalidationType::DoNotInvalidateOnAttributeChanges:
return false;
case NodeListInvalidationType::InvalidateOnAnyAttrChange:
return true;
}
return false;
}
inline void LiveNodeList::invalidateCache() const
{
invalidateCacheForDocument(protectedDocument().get());
}
ALWAYS_INLINE void LiveNodeList::invalidateCacheForAttribute(const QualifiedName& attributeName) const
{
if (shouldInvalidateTypeOnAttributeChange(m_invalidationType, attributeName))
invalidateCache();
}
inline Document& LiveNodeList::document() const
{
return m_ownerNode->document();
}
inline Ref<Document> LiveNodeList::protectedDocument() const
{
return document();
}
inline ContainerNode& LiveNodeList::rootNode() const
{
if (isRootedAtTreeScope() && m_ownerNode->isInTreeScope())
return m_ownerNode->treeScope().rootNode();
return m_ownerNode;
}
template <class NodeListType, CollectionTraversalType traversalType>
CachedLiveNodeList<NodeListType, traversalType>::CachedLiveNodeList(ContainerNode& ownerNode, NodeListInvalidationType invalidationType)
: LiveNodeList(ownerNode, invalidationType)
{
}
template <class NodeListType, CollectionTraversalType traversalType>
CachedLiveNodeList<NodeListType, traversalType>::~CachedLiveNodeList()
{
if (m_indexCache.hasValidCache())
protectedDocument()->unregisterNodeListForInvalidation(*this);
}
template <class NodeListType, CollectionTraversalType traversalType>
unsigned CachedLiveNodeList<NodeListType, traversalType>::length() const
{
return m_indexCache.nodeCount(nodeList());
}
template <class NodeListType, CollectionTraversalType traversalType>
Node* CachedLiveNodeList<NodeListType, traversalType>::item(unsigned offset) const
{
return m_indexCache.nodeAt(nodeList(), offset);
}
template <class NodeListType, CollectionTraversalType traversalType>
auto CachedLiveNodeList<NodeListType, traversalType>::collectionBegin() const -> Iterator
{
return Traversal::begin(nodeList(), rootNode());
}
template <class NodeListType, CollectionTraversalType traversalType>
auto CachedLiveNodeList<NodeListType, traversalType>::collectionLast() const -> Iterator
{
return Traversal::last(nodeList(), rootNode());
}
template <class NodeListType, CollectionTraversalType traversalType>
void CachedLiveNodeList<NodeListType, traversalType>::collectionTraverseForward(Iterator& current, unsigned count, unsigned& traversedCount) const
{
Traversal::traverseForward(nodeList(), current, count, traversedCount);
}
template <class NodeListType, CollectionTraversalType traversalType>
void CachedLiveNodeList<NodeListType, traversalType>::collectionTraverseBackward(Iterator& current, unsigned count) const
{
Traversal::traverseBackward(nodeList(), current, count);
}
template <class NodeListType, CollectionTraversalType traversalType>
bool CachedLiveNodeList<NodeListType, traversalType>::collectionCanTraverseBackward() const
{
return true;
}
template <class NodeListType, CollectionTraversalType traversalType>
void CachedLiveNodeList<NodeListType, traversalType>::willValidateIndexCache() const
{
protectedDocument()->registerNodeListForInvalidation(const_cast<CachedLiveNodeList&>(*this));
}
template <class NodeListType, CollectionTraversalType traversalType>
void CachedLiveNodeList<NodeListType, traversalType>::invalidateCacheForDocument(Document& document) const
{
if (m_indexCache.hasValidCache()) {
document.unregisterNodeListForInvalidation(const_cast<NodeListType&>(nodeList()));
m_indexCache.invalidate();
}
}
}
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