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      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/TouchEventContext.h"
     29 
     30 #include "core/dom/TouchList.h"
     31 #include "core/events/Event.h"
     32 #include "core/events/TouchEvent.h"
     33 
     34 namespace blink {
     35 
     36 PassRefPtrWillBeRawPtr<TouchEventContext> TouchEventContext::create()
     37 {
     38     return adoptRefWillBeNoop(new TouchEventContext);
     39 }
     40 
     41 TouchEventContext::TouchEventContext()
     42     : m_touches(TouchList::create())
     43     , m_targetTouches(TouchList::create())
     44     , m_changedTouches(TouchList::create())
     45 {
     46 }
     47 
     48 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(TouchEventContext)
     49 
     50 void TouchEventContext::handleLocalEvents(Event* event) const
     51 {
     52     ASSERT(event->isTouchEvent());
     53     TouchEvent* touchEvent = toTouchEvent(event);
     54     touchEvent->setTouches(m_touches);
     55     touchEvent->setTargetTouches(m_targetTouches);
     56     touchEvent->setChangedTouches(m_changedTouches);
     57 }
     58 
     59 void TouchEventContext::trace(Visitor* visitor)
     60 {
     61     visitor->trace(m_touches);
     62     visitor->trace(m_targetTouches);
     63     visitor->trace(m_changedTouches);
     64 }
     65 
     66 }
     67