Source/WebCore/editing/SplitTextNodeCommand.h

/*
 * Copyright (C) 2005, 2006, 2008 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. ``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
 * 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. 
 */

#pragma once

#include "EditCommand.h"

namespace WebCore {

class Text;

class SplitTextNodeCommand : public SimpleEditCommand {
public:
    static Ref<SplitTextNodeCommand> create(Ref<Text>&& node, int offset)
    {
        return adoptRef(*new SplitTextNodeCommand(WTFMove(node), offset));
    }

private:
    SplitTextNodeCommand(Ref<Text>&&, int offset);

    void doApply() override;
    void doUnapply() override;
    void doReapply() override;
    void insertText1AndTrimText2();
    
#ifndef NDEBUG
    void getNodesInCommand(HashSet<Node*>&) override;
#endif

    RefPtr<Text> m_text1;
    Ref<Text> m_text2;
    unsigned m_offset;
};

} // namespace WebCore