WebCore/editing/SplitTextNodeContainingElementCommand.cpp

   1 /*
   2  * Copyright (C) 2005 Apple Computer, 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 #include "config.h"
  27 #include "SplitTextNodeContainingElementCommand.h"
  28
  29 #include "Element.h"
  30 #include "Text.h"
  31 #include "RenderObject.h"
  32 #include <wtf/Assertions.h>
  33
  34 namespace WebCore {
  35
  36 SplitTextNodeContainingElementCommand::SplitTextNodeContainingElementCommand(PassRefPtr<Text> text, int offset)
  37     : CompositeEditCommand(text->document()), m_text(text), m_offset(offset)
  38 {
  39     ASSERT(m_text);
  40     ASSERT(m_text->length() > 0);
  41 }
  42
  43 void SplitTextNodeContainingElementCommand::doApply()
  44 {
  45     ASSERT(m_text);
  46     ASSERT(m_offset > 0);
  47
  48     splitTextNode(m_text.get(), m_offset);
  49
  50     Node *parentNode = m_text->parentNode();
  51     if (!parentNode->renderer() || !parentNode->renderer()->isInline()) {
  52         wrapContentsInDummySpan(static_cast<Element *>(parentNode));
  53         parentNode = parentNode->firstChild();
  54     }
  55
  56     splitElement(static_cast<Element *>(parentNode), m_text.get());
  57 }
  58
  59 }