third_party/WebKit/Source/core/events/EventFactory.h

/*
 * Copyright (C) 2011 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 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 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 EventFactory_h
#define EventFactory_h

#include "platform/heap/Handle.h"
#include "wtf/Allocator.h"
#include "wtf/PassRefPtr.h"
#include "wtf/text/AtomicString.h"

namespace blink {

class Event;
class ExecutionContext;

class EventFactoryBase {
    USING_FAST_MALLOC(EventFactoryBase);
public:
    virtual Event* create(ExecutionContext*, const String& eventType) = 0;
    virtual ~EventFactoryBase() { }

protected:
    EventFactoryBase() { }
};

class EventFactory final : public EventFactoryBase {
public:
    static PassOwnPtr<EventFactory> create()
    {
        return adoptPtr(new EventFactory());
    }

    Event* create(ExecutionContext*, const String& eventType) override;
};

} // namespace blink

#endif