1/* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef WebUndoStep_h 27#define WebUndoStep_h 28 29#include <WebCore/UndoStep.h> 30#include <wtf/PassRefPtr.h> 31#include <wtf/RefPtr.h> 32 33namespace WebKit { 34 35class WebUndoStep : public RefCounted<WebUndoStep> { 36public: 37 static PassRefPtr<WebUndoStep> create(PassRefPtr<WebCore::UndoStep>); 38 ~WebUndoStep(); 39 40 WebCore::UndoStep* step() const { return m_step.get(); } 41 uint64_t stepID() const { return m_stepID; } 42 43private: 44 WebUndoStep(PassRefPtr<WebCore::UndoStep> step, uint64_t stepID) 45 : m_step(step) 46 , m_stepID(stepID) 47 { 48 } 49 50 RefPtr<WebCore::UndoStep> m_step; 51 uint64_t m_stepID; 52}; 53 54} // namespace WebKit 55 56#endif // WebEditCommand_h 57