diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/editing/MergeIdenticalElementsCommand.cpp')
-rw-r--r-- | src/3rdparty/webkit/WebCore/editing/MergeIdenticalElementsCommand.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/editing/MergeIdenticalElementsCommand.cpp b/src/3rdparty/webkit/WebCore/editing/MergeIdenticalElementsCommand.cpp new file mode 100644 index 0000000..99ba286 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/editing/MergeIdenticalElementsCommand.cpp @@ -0,0 +1,89 @@ +/* + * 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); + ASSERT(m_element1->nextSibling() == m_element2); +} + +void MergeIdenticalElementsCommand::doApply() +{ + if (m_element1->nextSibling() != m_element2) + return; + + m_atChild = m_element2->firstChild(); + + ExceptionCode ec = 0; + + Vector<RefPtr<Node> > children; + for (Node* child = m_element1->firstChild(); child; child = child->nextSibling()) + children.append(child); + + size_t size = children.size(); + for (size_t i = 0; i < size; ++i) + m_element2->insertBefore(children[i].release(), m_atChild.get(), ec); + + m_element1->remove(ec); +} + +void MergeIdenticalElementsCommand::doUnapply() +{ + ASSERT(m_element1); + ASSERT(m_element2); + + RefPtr<Node> atChild = m_atChild.release(); + + Node* parent = m_element2->parent(); + if (!parent) + return; + + ExceptionCode ec = 0; + + parent->insertBefore(m_element1.get(), m_element2.get(), ec); + if (ec) + return; + + Vector<RefPtr<Node> > children; + for (Node* child = m_element2->firstChild(); child && child != atChild; child = child->nextSibling()) + children.append(child); + + size_t size = children.size(); + for (size_t i = 0; i < size; ++i) + m_element1->appendChild(children[i].release(), ec); +} + +} // namespace WebCore |