Source/WebKit2/WebProcess/WebPage/WebUndoStep.h

/*
 * Copyright (C) 2010 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.
 */

#ifndef WebUndoStep_h
#define WebUndoStep_h

#include <WebCore/UndoStep.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>

namespace WebKit {

class WebUndoStep : public RefCounted<WebUndoStep> {
public:
    static PassRefPtr<WebUndoStep> create(PassRefPtr<WebCore::UndoStep>);

    WebCore::UndoStep* step() const { return m_step.get(); }
    uint64_t stepID() const { return m_stepID; }

private:
    WebUndoStep(PassRefPtr<WebCore::UndoStep> step, uint64_t stepID)
        : m_step(step)
        , m_stepID(stepID)
    {
    }

    RefPtr<WebCore::UndoStep> m_step;
    uint64_t m_stepID;
};

} // namespace WebKit

#endif // WebEditCommand_h