| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * This library is free software; you can redistribute it and/or | |
| 5 * modify it under the terms of the GNU Library General Public | |
| 6 * License as published by the Free Software Foundation; either | |
| 7 * version 2 of the License, or (at your option) any later version. | |
| 8 * | |
| 9 * This library is distributed in the hope that it will be useful, | |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 * Library General Public License for more details. | |
| 13 * | |
| 14 * You should have received a copy of the GNU Library General Public License | |
| 15 * along with this library; see the file COPYING.LIB. If not, write to | |
| 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 17 * Boston, MA 02110-1301, USA. | |
| 18 */ | |
| 19 | |
| 20 #ifndef EventRetargeter_h | |
| 21 #define EventRetargeter_h | |
| 22 | |
| 23 #include "SVGNames.h" | |
| 24 #include "core/dom/ContainerNode.h" | |
| 25 #include "core/events/EventContext.h" | |
| 26 #include "core/dom/shadow/ShadowRoot.h" | |
| 27 #include "core/svg/SVGElementInstance.h" | |
| 28 #include "core/svg/SVGUseElement.h" | |
| 29 #include "wtf/HashMap.h" | |
| 30 #include "wtf/RefPtr.h" | |
| 31 | |
| 32 namespace WebCore { | |
| 33 | |
| 34 class EventTarget; | |
| 35 class FocusEvent; | |
| 36 class MouseEvent; | |
| 37 class Node; | |
| 38 class TouchEvent; | |
| 39 class TreeScope; | |
| 40 | |
| 41 enum EventDispatchBehavior { | |
| 42 RetargetEvent, | |
| 43 StayInsideShadowDOM | |
| 44 }; | |
| 45 | |
| 46 class EventRetargeter { | |
| 47 public: | |
| 48 static void ensureEventPath(Node*, Event*); | |
| 49 static void adjustForMouseEvent(Node*, MouseEvent&); | |
| 50 static void adjustForFocusEvent(Node*, FocusEvent&); | |
| 51 typedef Vector<RefPtr<TouchList> > EventPathTouchLists; | |
| 52 static void adjustForTouchEvent(Node*, TouchEvent&); | |
| 53 static EventTarget* eventTargetRespectingTargetRules(Node* referenceNode); | |
| 54 | |
| 55 private: | |
| 56 typedef Vector<RefPtr<Node> > AdjustedNodes; | |
| 57 typedef HashMap<TreeScope*, Node*> RelatedNodeMap; | |
| 58 enum EventWithRelatedTargetDispatchBehavior { | |
| 59 StopAtBoundaryIfNeeded, | |
| 60 DoesNotStopAtBoundary | |
| 61 }; | |
| 62 static void calculateEventPath(Node*, Event*); | |
| 63 static void calculateAdjustedEventPathForEachNode(EventPath&); | |
| 64 | |
| 65 static void adjustForRelatedTarget(const Node*, EventTarget* relatedTarget,
EventPath&); | |
| 66 static void calculateAdjustedNodes(const Node*, const Node* relatedNode, Eve
ntWithRelatedTargetDispatchBehavior, EventPath&, AdjustedNodes&); | |
| 67 static void buildRelatedNodeMap(const Node*, RelatedNodeMap&); | |
| 68 static Node* findRelatedNode(TreeScope*, RelatedNodeMap&); | |
| 69 static void adjustTouchList(const Node*, const TouchList*, const EventPath&,
EventPathTouchLists&); | |
| 70 }; | |
| 71 | |
| 72 inline EventTarget* EventRetargeter::eventTargetRespectingTargetRules(Node* refe
renceNode) | |
| 73 { | |
| 74 ASSERT(referenceNode); | |
| 75 | |
| 76 if (referenceNode->isPseudoElement()) | |
| 77 return referenceNode->parentNode(); | |
| 78 | |
| 79 if (!referenceNode->isSVGElement() || !referenceNode->isInShadowTree()) | |
| 80 return referenceNode; | |
| 81 | |
| 82 // Spec: The event handling for the non-exposed tree works as if the referen
ced element had been textually included | |
| 83 // as a deeply cloned child of the 'use' element, except that events are dis
patched to the SVGElementInstance objects. | |
| 84 Node* rootNode = referenceNode->treeScope().rootNode(); | |
| 85 Element* shadowHostElement = rootNode->isShadowRoot() ? toShadowRoot(rootNod
e)->host() : 0; | |
| 86 // At this time, SVG nodes are not supported in non-<use> shadow trees. | |
| 87 if (!shadowHostElement || !shadowHostElement->hasTagName(SVGNames::useTag)) | |
| 88 return referenceNode; | |
| 89 SVGUseElement* useElement = toSVGUseElement(shadowHostElement); | |
| 90 if (SVGElementInstance* instance = useElement->instanceForShadowTreeElement(
referenceNode)) | |
| 91 return instance; | |
| 92 | |
| 93 return referenceNode; | |
| 94 } | |
| 95 | |
| 96 } | |
| 97 | |
| 98 #endif // EventRetargeter_h | |
| OLD | NEW |
|---|
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/