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/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
* Copyright (C) 2007 David Smith (catfish.man@gmail.com)
*
* 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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.
*/
#ifndef ClassCollection_h
#define ClassCollection_h
#include "core/dom/Element.h"
#include "core/dom/SpaceSplitString.h"
#include "core/html/HTMLCollection.h"
namespace blink {
class ClassCollection final : public HTMLCollection {
public:
// classNames argument is an AtomicString because it is common for Elements to
// share the same class names. It is also used to construct a
// SpaceSplitString (m_classNames) and its constructor requires an
// AtomicString.
static ClassCollection* create(ContainerNode& rootNode,
CollectionType type,
const AtomicString& classNames) {
DCHECK_EQ(type, ClassCollectionType);
return new ClassCollection(rootNode, classNames);
}
~ClassCollection() override;
bool elementMatches(const Element&) const;
private:
ClassCollection(ContainerNode& rootNode, const AtomicString& classNames);
SpaceSplitString m_classNames;
AtomicString m_originalClassNames;
};
DEFINE_TYPE_CASTS(ClassCollection,
LiveNodeListBase,
collection,
collection->type() == ClassCollectionType,
collection.type() == ClassCollectionType);
inline bool ClassCollection::elementMatches(const Element& testElement) const {
if (!testElement.hasClass())
return false;
if (!m_classNames.size())
return false;
return testElement.classNames().containsAll(m_classNames);
}
} // namespace blink
#endif // ClassCollection_h
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