1/*
2 * Copyright (C) 2005, 2006, 2008 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 COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef DeleteFromTextNodeCommand_h
27#define DeleteFromTextNodeCommand_h
28
29#include "EditCommand.h"
30
31namespace WebCore {
32
33class Text;
34
35class DeleteFromTextNodeCommand : public SimpleEditCommand {
36public:
37    static PassRefPtr<DeleteFromTextNodeCommand> create(PassRefPtr<Text> node, unsigned offset, unsigned count)
38    {
39        return adoptRef(new DeleteFromTextNodeCommand(node, offset, count));
40    }
41
42private:
43    DeleteFromTextNodeCommand(PassRefPtr<Text>, unsigned offset, unsigned count);
44
45    virtual void doApply() OVERRIDE;
46    virtual void doUnapply() OVERRIDE;
47
48#ifndef NDEBUG
49    virtual void getNodesInCommand(HashSet<Node*>&) OVERRIDE;
50#endif
51
52    RefPtr<Text> m_node;
53    unsigned m_offset;
54    unsigned m_count;
55    String m_text;
56};
57
58} // namespace WebCore
59
60#endif // DeleteFromTextNodeCommand_h
61