WebCore/ProgressEvent.h

   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 loaded, unsigned total)
  40         {
  41             return adoptRef(new ProgressEvent(type, lengthComputable, loaded, total));
  42         }
  43
  44         void initProgressEvent(const AtomicString& typeArg,
  45                                bool canBubbleArg,
  46                                bool cancelableArg,
  47                                bool lengthComputableArg,
  48                                unsigned loadedArg,
  49                                unsigned totalArg);
  50
  51         bool lengthComputable() const { return m_lengthComputable; }
  52         unsigned loaded() const { return m_loaded; }
  53         unsigned total() const { return m_total; }
  54
  55         virtual bool isProgressEvent() const { return true; }
  56
  57     protected:
  58         ProgressEvent();
  59         ProgressEvent(const AtomicString& type, bool lengthComputable, unsigned loaded, unsigned total);
  60
  61     private:
  62         bool m_lengthComputable;
  63         unsigned m_loaded;
  64         unsigned m_total;
  65     };
  66 }
  67
  68 #endif // ProgressEvent_h
  69