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| 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 "wtf/HashMap.h" | |
| 24 #include "wtf/RefPtr.h" | |
| 25 #include "wtf/Vector.h" | |
| 26 | |
| 27 namespace WebCore { | |
| 28 | |
| 29 class EventPath; | |
| 30 class EventTarget; | |
| 31 class FocusEvent; | |
| 32 class MouseEvent; | |
| 33 class Node; | |
| 34 class TouchEvent; | |
| 35 class TouchList; | |
| 36 class TreeScope; | |
| 37 | |
| 38 class EventRetargeter { | |
| 39 public: | |
| 40 static void adjustForMouseEvent(Node*, MouseEvent&); | |
| 41 static void adjustForFocusEvent(Node*, FocusEvent&); | |
| 42 typedef Vector<RefPtr<TouchList> > EventPathTouchLists; | |
| 43 static void adjustForTouchEvent(Node*, TouchEvent&); | |
| 44 | |
| 45 private: | |
| 46 typedef Vector<RefPtr<EventTarget> > AdjustedTargets; | |
| 47 typedef HashMap<TreeScope*, EventTarget*> RelatedTargetMap; | |
| 48 enum EventWithRelatedTargetDispatchBehavior { | |
| 49 StopAtBoundaryIfNeeded, | |
| 50 DoesNotStopAtBoundary | |
| 51 }; | |
| 52 static void adjustForRelatedTarget(const Node*, EventTarget* relatedTarget,
EventPath&); | |
| 53 static void calculateAdjustedNodes(const Node*, const Node* relatedNode, Eve
ntWithRelatedTargetDispatchBehavior, EventPath&, AdjustedTargets&); | |
| 54 static void buildRelatedNodeMap(const Node*, RelatedTargetMap&); | |
| 55 static EventTarget* findRelatedNode(TreeScope*, RelatedTargetMap&); | |
| 56 static void adjustTouchList(const Node*, const TouchList*, const EventPath&,
EventPathTouchLists&); | |
| 57 #ifndef NDEBUG | |
| 58 static void checkReachability(Node*, TouchList*); | |
| 59 #endif | |
| 60 }; | |
| 61 | |
| 62 } | |
| 63 | |
| 64 #endif // EventRetargeter_h | |
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Chromium Code Reviews
Issue 108723007:
Introduce TreeScopeEventContext (Closed)
Base URL: svn://svn.chromium.org/blink/trunk