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/*
* Copyright (C) 2012 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDER "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 HOLDER 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 NamedFlowCollection_h
#define NamedFlowCollection_h
#include "ContextDestructionObserver.h"
#include "WebKitNamedFlow.h"
#include <wtf/Forward.h>
#include <wtf/ListHashSet.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
class Document;
class DOMNamedFlowCollection;
class NamedFlowCollection final : public RefCounted<NamedFlowCollection>, public ContextDestructionObserver {
public:
static Ref<NamedFlowCollection> create(Document* doc) { return adoptRef(*new NamedFlowCollection(doc)); }
Vector<RefPtr<WebKitNamedFlow>> namedFlows();
WebKitNamedFlow* flowByName(const String&);
Ref<WebKitNamedFlow> ensureFlowWithName(const String&);
void discardNamedFlow(WebKitNamedFlow*);
Document* document() const;
virtual ~NamedFlowCollection() { }
Ref<DOMNamedFlowCollection> createCSSOMSnapshot();
private:
struct NamedFlowHashFunctions;
struct NamedFlowHashTranslator;
typedef ListHashSet<WebKitNamedFlow*, NamedFlowHashFunctions> NamedFlowSet;
explicit NamedFlowCollection(Document*);
NamedFlowSet m_namedFlows;
};
} // namespace WebCore
#endif // NamedFlowCollection_h
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