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121 lines
3.6 KiB
C++
121 lines
3.6 KiB
C++
/*
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* Copyright (C) 2012 Google 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 are
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* met:
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*
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* * 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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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY 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 "sky/engine/core/dom/UserActionElementSet.h"
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#include "sky/engine/core/dom/Element.h"
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#include "sky/engine/core/dom/Node.h"
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namespace blink {
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UserActionElementSet::UserActionElementSet()
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{
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}
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UserActionElementSet::~UserActionElementSet()
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{
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}
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void UserActionElementSet::didDetach(Node* node)
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{
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ASSERT(node->isUserActionElement());
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clearFlags(toElement(node), IsActiveFlag | InActiveChainFlag | IsHoveredFlag);
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}
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#if !ENABLE(OILPAN)
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void UserActionElementSet::documentDidRemoveLastRef()
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{
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m_elements.clear();
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}
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#endif
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bool UserActionElementSet::hasFlags(const Node* node, unsigned flags) const
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{
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ASSERT(node->isUserActionElement() && node->isElementNode());
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return hasFlags(toElement(node), flags);
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}
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void UserActionElementSet::setFlags(Node* node, unsigned flags)
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{
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if (!node->isElementNode())
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return;
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return setFlags(toElement(node), flags);
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}
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void UserActionElementSet::clearFlags(Node* node, unsigned flags)
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{
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if (!node->isElementNode())
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return;
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return clearFlags(toElement(node), flags);
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}
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inline bool UserActionElementSet::hasFlags(const Element* element, unsigned flags) const
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{
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ASSERT(element->isUserActionElement());
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ElementFlagMap::const_iterator found = m_elements.find(const_cast<Element*>(element));
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if (found == m_elements.end())
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return false;
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return found->value & flags;
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}
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inline void UserActionElementSet::clearFlags(Element* element, unsigned flags)
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{
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if (!element->isUserActionElement()) {
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ASSERT(m_elements.end() == m_elements.find(element));
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return;
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}
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ElementFlagMap::iterator found = m_elements.find(element);
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if (found == m_elements.end()) {
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element->setUserActionElement(false);
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return;
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}
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unsigned updated = found->value & ~flags;
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if (!updated) {
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element->setUserActionElement(false);
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m_elements.remove(found);
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return;
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}
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found->value = updated;
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}
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inline void UserActionElementSet::setFlags(Element* element, unsigned flags)
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{
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ElementFlagMap::iterator result = m_elements.find(element);
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if (result != m_elements.end()) {
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ASSERT(element->isUserActionElement());
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result->value |= flags;
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return;
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}
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element->setUserActionElement(true);
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m_elements.add(element, flags);
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}
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}
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