utils/MTP/MTP_DLL/progresshelper.h

   1 /*
   2  * Windows MTP Firmware Uploading Implementation
   3  *
   4  * Based on http://opensource.creative.com/mtp_xfer.html
   5  * Edited by Maurus Cuelenaere for Rockbox
   6  *
   7  * Copyright (c) 2009, Maurus Cuelenaere
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions are met:
  12  *     * Redistributions of source code must retain the above copyright
  13  *       notice, this list of conditions and the following disclaimer.
  14  *     * Redistributions in binary form must reproduce the above copyright
  15  *       notice, this list of conditions and the following disclaimer in the
  16  *       documentation and/or other materials provided with the distribution.
  17  *     * Neither the name of the <organization> nor the
  18  *       names of its contributors may be used to endorse or promote products
  19  *       derived from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY MAURUS CUELENAERE ''AS IS'' AND ANY
  22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  24  * DISCLAIMED. IN NO EVENT SHALL MAURUS CUELENAERE BE LIABLE FOR ANY
  25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 class CProgressHelper :
  34     public IWMDMProgress
  35 {
  36     void          (*m_callback)(unsigned int progress, unsigned int max);
  37     DWORD          m_max_ticks;
  38     DWORD          m_cur_ticks;
  39     DWORD          m_counter;
  40
  41 public:
  42     CProgressHelper( void (*callback)(unsigned int progress, unsigned int max) );
  43     ~CProgressHelper();
  44     STDMETHOD(Begin)( DWORD dwEstimatedTicks );
  45     STDMETHOD(Progress)( DWORD dwTranspiredTicks );
  46     STDMETHOD(End)();
  47
  48     STDMETHOD(QueryInterface) ( REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject );
  49     STDMETHOD_(ULONG, AddRef)( void );
  50     STDMETHOD_(ULONG, Release)( void );
  51 };
  52