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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
commit | 8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 (patch) | |
tree | 11425ea0b299d6fb89c6d3618a22d97d5bf68d0f /WebCore/editing/MergeIdenticalElementsCommand.cpp | |
parent | 648161bb0edfc3d43db63caed5cc5213bc6cb78f (diff) | |
download | external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.zip external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.gz external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'WebCore/editing/MergeIdenticalElementsCommand.cpp')
-rw-r--r-- | WebCore/editing/MergeIdenticalElementsCommand.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/WebCore/editing/MergeIdenticalElementsCommand.cpp b/WebCore/editing/MergeIdenticalElementsCommand.cpp new file mode 100644 index 0000000..1819b92 --- /dev/null +++ b/WebCore/editing/MergeIdenticalElementsCommand.cpp @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2005, 2008 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "MergeIdenticalElementsCommand.h" + +#include "Element.h" + +namespace WebCore { + +MergeIdenticalElementsCommand::MergeIdenticalElementsCommand(PassRefPtr<Element> first, PassRefPtr<Element> second) + : SimpleEditCommand(first->document()), m_element1(first), m_element2(second) +{ + ASSERT(m_element1); + ASSERT(m_element2); +} + +void MergeIdenticalElementsCommand::doApply() +{ + ASSERT(m_element1); + ASSERT(m_element2); + ASSERT(m_element1->nextSibling() == m_element2); + + ExceptionCode ec = 0; + + if (!m_atChild) + m_atChild = m_element2->firstChild(); + + while (m_element1->lastChild()) { + m_element2->insertBefore(m_element1->lastChild(), m_element2->firstChild(), ec); + ASSERT(ec == 0); + } + + m_element2->parentNode()->removeChild(m_element1.get(), ec); + ASSERT(ec == 0); +} + +void MergeIdenticalElementsCommand::doUnapply() +{ + ASSERT(m_element1); + ASSERT(m_element2); + + ExceptionCode ec = 0; + + m_element2->parent()->insertBefore(m_element1.get(), m_element2.get(), ec); + ASSERT(ec == 0); + + while (m_element2->firstChild() != m_atChild) { + ASSERT(m_element2->firstChild()); + m_element1->appendChild(m_element2->firstChild(), ec); + ASSERT(ec == 0); + } +} + +} // namespace WebCore |