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| 1 /* | |
| 2 * Copyright (C) 2013 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 are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Neither the name of Google Inc. nor the names of its | |
| 11 * contributors may be used to endorse or promote products derived from | |
| 12 * this software without specific prior written permission. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 */ | |
| 26 | |
| 27 #include "config.h" | |
| 28 #include "core/events/EventPathWalker.h" | |
| 29 | |
| 30 #include "core/dom/shadow/ElementShadow.h" | |
| 31 #include "core/dom/shadow/InsertionPoint.h" | |
| 32 #include "core/dom/shadow/ShadowRoot.h" | |
| 33 | |
| 34 namespace WebCore { | |
| 35 | |
| 36 EventPathWalker::EventPathWalker(const Node* node) | |
| 37 : m_node(node) | |
| 38 , m_distributedNode(node) | |
| 39 , m_isVisitingInsertionPointInReprojection(false) | |
| 40 { | |
| 41 ASSERT(node); | |
| 42 node->document().updateDistributionForNodeIfNeeded(const_cast<Node*>(node)); | |
| 43 } | |
| 44 | |
| 45 Node* EventPathWalker::parent(const Node* node) | |
| 46 { | |
| 47 EventPathWalker walker(node); | |
| 48 walker.moveToParent(); | |
| 49 return walker.node(); | |
| 50 } | |
| 51 | |
| 52 void EventPathWalker::moveToParent() | |
| 53 { | |
| 54 ASSERT(m_node); | |
| 55 ASSERT(m_distributedNode); | |
| 56 if (ElementShadow* shadow = shadowOfParent(m_node)) { | |
| 57 if (InsertionPoint* insertionPoint = shadow->findInsertionPointFor(m_dis
tributedNode)) { | |
| 58 m_node = insertionPoint; | |
| 59 m_isVisitingInsertionPointInReprojection = true; | |
| 60 return; | |
| 61 } | |
| 62 } | |
| 63 if (!m_node->isShadowRoot()) { | |
| 64 m_node = m_node->parentNode(); | |
| 65 if (!(m_node && m_node->isShadowRoot() && toShadowRoot(m_node)->insertio
nPoint())) | |
| 66 m_distributedNode = m_node; | |
| 67 m_isVisitingInsertionPointInReprojection = false; | |
| 68 return; | |
| 69 } | |
| 70 | |
| 71 const ShadowRoot* shadowRoot = toShadowRoot(m_node); | |
| 72 if (InsertionPoint* insertionPoint = shadowRoot->insertionPoint()) { | |
| 73 m_node = insertionPoint; | |
| 74 m_isVisitingInsertionPointInReprojection = true; | |
| 75 return; | |
| 76 } | |
| 77 m_node = shadowRoot->host(); | |
| 78 m_distributedNode = m_node; | |
| 79 m_isVisitingInsertionPointInReprojection = false; | |
| 80 } | |
| 81 | |
| 82 } // namespace | |
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Chromium Code Reviews
Issue 26558004:
Revert 158219 "Move dom/*Event* to events to match the DOM vs. E..." (Closed)
Base URL: svn://svn.chromium.org/blink/branches/chromium/1651/