1 /*

     2  * Copyright (C) 2005, 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 #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     Element* parent = m_text->parentElement();

    51     if (!parent)

    52         return;

    53 

    54     RenderObject* parentRenderer = parent->renderer();

    55     if (!parentRenderer || !parentRenderer->isInline()) {

    56         wrapContentsInDummySpan(parent);

    57         Node* firstChild = parent->firstChild();

    58         if (!firstChild || !firstChild->isElementNode())

    59             return;

    60         parent = static_cast<Element*>(firstChild);

    61     }

    62 

    63     splitElement(parent, m_text);

    64 }

    65 

    66 }