Source/WebCore/replay/SegmentedInputStorage.h

/*
 * Copyright (C) 2013 University of Washington. All rights reserved.
 * Copyright (C) 2014 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 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
 * HOLDER 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SegmentedInputStorage_h
#define SegmentedInputStorage_h

#if ENABLE(WEB_REPLAY)

#include <replay/NondeterministicInput.h>
#include <wtf/Noncopyable.h>
#include <wtf/Vector.h>

namespace WebCore {

class SegmentedInputStorage {
    WTF_MAKE_NONCOPYABLE(SegmentedInputStorage);
    friend class FunctorInputCursor;
public:
    SegmentedInputStorage();
    ~SegmentedInputStorage();

    NondeterministicInputBase* load(InputQueue, size_t);
    void store(std::unique_ptr<NondeterministicInputBase>);
    size_t queueSize(InputQueue) const;

private:
    typedef Vector<std::unique_ptr<NondeterministicInputBase>> QueuedInputs;
    const QueuedInputs& queue(InputQueue) const;

    Vector<QueuedInputs*, 3> m_queues;
    unsigned m_inputCount {0};
};

} // namespace WebCore

#endif // ENABLE(WEB_REPLAY)

#endif // SegmentedInputStorage_h