root/Source/core/events/TouchEventContext.h

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INCLUDED FROM


/*
 * Copyright (C) 2014 Google Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef TouchEventContext_h
#define TouchEventContext_h

#include "heap/Handle.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"

namespace WebCore {

class Event;
class TouchList;

class TouchEventContext : public RefCountedWillBeGarbageCollected<TouchEventContext> {
    DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(TouchEventContext);
public:
    static PassRefPtrWillBeRawPtr<TouchEventContext> create();
    void handleLocalEvents(Event*) const;
    TouchList& touches() { return *m_touches; }
    TouchList& targetTouches() { return *m_targetTouches; }
    TouchList& changedTouches() { return *m_changedTouches; }

    void trace(Visitor*);

private:
    TouchEventContext();

    RefPtrWillBeMember<TouchList> m_touches;
    RefPtrWillBeMember<TouchList> m_targetTouches;
    RefPtrWillBeMember<TouchList> m_changedTouches;
};

}

#endif // TouchEventContext_h

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