1 /* 2 * Copyright (C) 2014 Google Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 #include "config.h" 28 #include "core/events/TreeScopeEventContext.h" 29 30 #include "core/dom/StaticNodeList.h" 31 #include "core/dom/shadow/ShadowRoot.h" 32 #include "core/events/EventPath.h" 33 #include "core/events/TouchEventContext.h" 34 35 namespace blink { 36 37 PassRefPtrWillBeRawPtr<StaticNodeList> TreeScopeEventContext::ensureEventPath(EventPath& path) 38 { 39 if (m_eventPath) 40 return m_eventPath; 41 42 WillBeHeapVector<RefPtrWillBeMember<Node> > nodes; 43 nodes.reserveInitialCapacity(path.size()); 44 for (size_t i = 0; i < path.size(); ++i) { 45 TreeScope& treeScope = path[i].treeScopeEventContext().treeScope(); 46 if (treeScope.rootNode().isShadowRoot() && toShadowRoot(treeScope).type() == ShadowRoot::AuthorShadowRoot) 47 nodes.append(path[i].node()); 48 else if (path[i].treeScopeEventContext().isInclusiveAncestorOf(*this)) 49 nodes.append(path[i].node()); 50 } 51 m_eventPath = StaticNodeList::adopt(nodes); 52 return m_eventPath; 53 } 54 55 TouchEventContext* TreeScopeEventContext::ensureTouchEventContext() 56 { 57 if (!m_touchEventContext) 58 m_touchEventContext = TouchEventContext::create(); 59 return m_touchEventContext.get(); 60 } 61 62 PassRefPtrWillBeRawPtr<TreeScopeEventContext> TreeScopeEventContext::create(TreeScope& treeScope) 63 { 64 return adoptRefWillBeNoop(new TreeScopeEventContext(treeScope)); 65 } 66 67 TreeScopeEventContext::TreeScopeEventContext(TreeScope& treeScope) 68 : m_treeScope(treeScope) 69 , m_preOrder(-1) 70 , m_postOrder(-1) 71 { 72 } 73 74 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(TreeScopeEventContext) 75 76 void TreeScopeEventContext::trace(Visitor* visitor) 77 { 78 visitor->trace(m_treeScope); 79 visitor->trace(m_target); 80 visitor->trace(m_relatedTarget); 81 visitor->trace(m_eventPath); 82 visitor->trace(m_touchEventContext); 83 #if ENABLE(OILPAN) 84 visitor->trace(m_children); 85 #endif 86 } 87 88 int TreeScopeEventContext::calculatePrePostOrderNumber(int orderNumber) 89 { 90 m_preOrder = orderNumber; 91 for (size_t i = 0; i < m_children.size(); ++i) 92 orderNumber = m_children[i]->calculatePrePostOrderNumber(orderNumber + 1); 93 m_postOrder = orderNumber + 1; 94 return orderNumber + 1; 95 } 96 97 } 98
