WebCore/DeleteFromTextNodeCommand.h

   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
  31 namespace WebCore {
  32
  33 class Text;
  34
  35 class DeleteFromTextNodeCommand : public SimpleEditCommand {
  36 public:
  37     static PassRefPtr<DeleteFromTextNodeCommand> create(PassRefPtr<Text> node, unsigned offset, unsigned count)
  38     {
  39         return adoptRef(new DeleteFromTextNodeCommand(node, offset, count));
  40     }
  41
  42 private:
  43     DeleteFromTextNodeCommand(PassRefPtr<Text>, unsigned offset, unsigned count);
  44
  45     virtual void doApply();
  46     virtual void doUnapply();
  47
  48     RefPtr<Text> m_node;
  49     unsigned m_offset;
  50     unsigned m_count;
  51     String m_text;
  52 };
  53
  54 } // namespace WebCore
  55
  56 #endif // DeleteFromTextNodeCommand_h