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 InsertTextCommand_h
27#define InsertTextCommand_h
28
29#include "core/editing/CompositeEditCommand.h"
30
31namespace blink {
32
33class InsertTextCommand FINAL : public CompositeEditCommand {
34public:
35    enum RebalanceType {
36        RebalanceLeadingAndTrailingWhitespaces,
37        RebalanceAllWhitespaces
38    };
39
40    static PassRefPtrWillBeRawPtr<InsertTextCommand> create(Document& document, const String& text, bool selectInsertedText = false,
41        RebalanceType rebalanceType = RebalanceLeadingAndTrailingWhitespaces)
42    {
43        return adoptRefWillBeNoop(new InsertTextCommand(document, text, selectInsertedText, rebalanceType));
44    }
45
46private:
47    InsertTextCommand(Document&, const String& text, bool selectInsertedText, RebalanceType);
48
49    virtual void doApply() OVERRIDE;
50
51    Position positionInsideTextNode(const Position&);
52    Position insertTab(const Position&);
53
54    bool performTrivialReplace(const String&, bool selectInsertedText);
55    bool performOverwrite(const String&, bool selectInsertedText);
56    void setEndingSelectionWithoutValidation(const Position& startPosition, const Position& endPosition);
57
58    friend class TypingCommand;
59
60    String m_text;
61    bool m_selectInsertedText;
62    RebalanceType m_rebalanceType;
63};
64
65} // namespace blink
66
67#endif // InsertTextCommand_h
68