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      1 /*
      2  * Copyright (C) 2011 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 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 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 #ifndef EventFactory_h
     27 #define EventFactory_h
     28 
     29 #include "platform/heap/Handle.h"
     30 #include "wtf/PassRefPtr.h"
     31 #include "wtf/text/AtomicString.h"
     32 
     33 namespace blink {
     34 
     35 class Event;
     36 
     37 class EventFactoryBase {
     38 public:
     39     virtual PassRefPtrWillBeRawPtr<Event> create(const String& eventType) = 0;
     40     virtual ~EventFactoryBase() { }
     41 
     42 protected:
     43     EventFactoryBase() { }
     44 };
     45 
     46 class EventFactory FINAL : public EventFactoryBase {
     47 public:
     48     static PassOwnPtr<EventFactory> create()
     49     {
     50         return adoptPtr(new EventFactory());
     51     }
     52 
     53     virtual PassRefPtrWillBeRawPtr<Event> create(const String& eventType) OVERRIDE;
     54 };
     55 
     56 }
     57 
     58 #endif
     59