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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 "CompositeEditCommand.h"
30 
31 namespace WebCore {
32 
33 class InsertTextCommand : public CompositeEditCommand {
34 public:
35     enum RebalanceType {
36         RebalanceLeadingAndTrailingWhitespaces,
37         RebalanceAllWhitespaces
38     };
39 
create(Document * document)40     static PassRefPtr<InsertTextCommand> create(Document* document)
41     {
42         return adoptRef(new InsertTextCommand(document));
43     }
44 
45     void input(const String& text, bool selectInsertedText = false, RebalanceType = RebalanceLeadingAndTrailingWhitespaces);
46 
47 private:
48 
49     InsertTextCommand(Document*);
50 
51     void deleteCharacter();
52 
53     virtual void doApply();
54     virtual bool isInsertTextCommand() const;
55 
56     Position positionInsideTextNode(const Position&);
57     Position insertTab(const Position&);
58 
59     bool performTrivialReplace(const String&, bool selectInsertedText);
60 
61     friend class TypingCommand;
62 };
63 
64 } // namespace WebCore
65 
66 #endif // InsertTextCommand_h
67