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/*
* Copyright (C) 2014 Google 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 "core/events/TreeScopeEventContext.h"
#include "core/dom/StaticNodeList.h"
#include "core/dom/shadow/ShadowRoot.h"
#include "core/events/EventPath.h"
#include "core/events/TouchEventContext.h"
namespace WebCore {
PassRefPtrWillBeRawPtr<StaticNodeList> TreeScopeEventContext::ensureEventPath(EventPath& path)
{
if (m_eventPath)
return m_eventPath;
WillBeHeapVector<RefPtrWillBeMember<Node> > nodes;
nodes.reserveInitialCapacity(path.size());
for (size_t i = 0; i < path.size(); ++i) {
TreeScope& treeScope = path[i].treeScopeEventContext().treeScope();
if (treeScope.rootNode().isShadowRoot() && toShadowRoot(treeScope).type() == ShadowRoot::AuthorShadowRoot)
nodes.append(path[i].node());
else if (path[i].treeScopeEventContext().isInclusiveAncestorOf(*this))
nodes.append(path[i].node());
}
m_eventPath = StaticNodeList::adopt(nodes);
return m_eventPath;
}
TouchEventContext* TreeScopeEventContext::ensureTouchEventContext()
{
if (!m_touchEventContext)
m_touchEventContext = TouchEventContext::create();
return m_touchEventContext.get();
}
PassRefPtrWillBeRawPtr<TreeScopeEventContext> TreeScopeEventContext::create(TreeScope& treeScope)
{
return adoptRefWillBeNoop(new TreeScopeEventContext(treeScope));
}
TreeScopeEventContext::TreeScopeEventContext(TreeScope& treeScope)
: m_treeScope(treeScope)
, m_preOrder(-1)
, m_postOrder(-1)
{
}
DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(TreeScopeEventContext)
void TreeScopeEventContext::trace(Visitor* visitor)
{
visitor->trace(m_treeScope);
visitor->trace(m_target);
visitor->trace(m_relatedTarget);
visitor->trace(m_eventPath);
visitor->trace(m_touchEventContext);
#if ENABLE(OILPAN)
visitor->trace(m_children);
#endif
}
int TreeScopeEventContext::calculatePrePostOrderNumber(int orderNumber)
{
m_preOrder = orderNumber;
for (size_t i = 0; i < m_children.size(); ++i)
orderNumber = m_children[i]->calculatePrePostOrderNumber(orderNumber + 1);
m_postOrder = orderNumber + 1;
return orderNumber + 1;
}
}
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