113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
/*
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* Copyright (C) 2005, 2008 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "SplitElementCommand.h"
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#include "CompositeEditCommand.h"
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#include "Element.h"
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#include "HTMLNames.h"
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#include <wtf/Assertions.h>
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namespace WebCore {
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SplitElementCommand::SplitElementCommand(Ref<Element>&& element, Ref<Node>&& atChild)
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: SimpleEditCommand(element->document())
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, m_element2(WTFMove(element))
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, m_atChild(WTFMove(atChild))
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{
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ASSERT(m_atChild->parentNode() == m_element2.ptr());
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}
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void SplitElementCommand::executeApply()
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{
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if (m_atChild->parentNode() != m_element2.ptr())
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return;
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Vector<Ref<Node>> children;
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for (Node* node = m_element2->firstChild(); node != m_atChild.ptr(); node = node->nextSibling())
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children.append(*node);
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auto* parent = m_element2->parentNode();
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if (!parent || !parent->hasEditableStyle())
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return;
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if (parent->insertBefore(*m_element1, m_element2.ptr()).hasException())
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return;
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// Delete id attribute from the second element because the same id cannot be used for more than one element
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m_element2->removeAttribute(HTMLNames::idAttr);
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for (auto& child : children)
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m_element1->appendChild(child);
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}
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void SplitElementCommand::doApply()
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{
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m_element1 = m_element2->cloneElementWithoutChildren(document());
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executeApply();
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}
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void SplitElementCommand::doUnapply()
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{
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if (!m_element1 || !m_element1->hasEditableStyle() || !m_element2->hasEditableStyle())
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return;
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Vector<Ref<Node>> children;
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for (Node* node = m_element1->firstChild(); node; node = node->nextSibling())
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children.append(*node);
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RefPtr<Node> refChild = m_element2->firstChild();
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for (auto& child : children)
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m_element2->insertBefore(child, refChild.get());
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// Recover the id attribute of the original element.
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const AtomString& id = m_element1->getIdAttribute();
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if (!id.isNull())
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m_element2->setIdAttribute(id);
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m_element1->remove();
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}
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void SplitElementCommand::doReapply()
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{
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if (!m_element1)
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return;
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executeApply();
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}
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#ifndef NDEBUG
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void SplitElementCommand::getNodesInCommand(HashSet<Ref<Node>>& nodes)
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{
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addNodeAndDescendants(m_element1.get(), nodes);
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addNodeAndDescendants(m_element2.ptr(), nodes);
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addNodeAndDescendants(m_atChild.ptr(), nodes);
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}
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#endif
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} // namespace WebCore
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