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      1 /*
      2  * Copyright (C) 2007, 2008 Apple 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 #ifndef ProgressEvent_h
     27 #define ProgressEvent_h
     28 
     29 #include "Event.h"
     30 
     31 namespace WebCore {
     32 
     33 class ProgressEvent : public Event {
     34 public:
     35     static PassRefPtr<ProgressEvent> create()
     36     {
     37         return adoptRef(new ProgressEvent);
     38     }
     39     static PassRefPtr<ProgressEvent> create(const AtomicString& type, bool lengthComputable, unsigned long long loaded, unsigned long long total)
     40     {
     41         return adoptRef(new ProgressEvent(type, lengthComputable, loaded, total));
     42     }
     43 
     44     void initProgressEvent(const AtomicString& typeArg, bool canBubbleArg, bool cancelableArg,
     45         bool lengthComputableArg, unsigned long long loadedArg, unsigned long long totalArg);
     46 
     47     bool lengthComputable() const { return m_lengthComputable; }
     48     unsigned long long loaded() const { return m_loaded; }
     49     unsigned long long total() const { return m_total; }
     50 
     51 protected:
     52     ProgressEvent();
     53     ProgressEvent(const AtomicString& type, bool lengthComputable, unsigned long long loaded, unsigned long long total);
     54 
     55 private:
     56     virtual bool isProgressEvent() const { return true; }
     57 
     58     bool m_lengthComputable;
     59     unsigned long long m_loaded;
     60     unsigned long long m_total;
     61 };
     62 }
     63 
     64 #endif // ProgressEvent_h
     65