utils/MTP/MTP_DLL/progresshelper.cpp

   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 #include <windows.h>
  34 #include "mswmdm_i.c"
  35 #include "mswmdm.h"
  36 #include "sac.h"
  37 #include "scclient.h"
  38
  39 #include "progresshelper.h"
  40
  41
  42
  43
  44 CProgressHelper::CProgressHelper( void (*callback)(unsigned int progress, unsigned int max) )
  45 {
  46     m_cur_ticks = 0;
  47     m_max_ticks = 0;
  48     m_counter = 0;
  49
  50     m_callback = callback;
  51 }
  52
  53 CProgressHelper::~CProgressHelper()
  54 {
  55 }
  56
  57 HRESULT CProgressHelper::Begin( DWORD dwEstimatedTicks )
  58 {
  59     m_max_ticks = dwEstimatedTicks;
  60
  61     return S_OK;
  62 }
  63
  64 HRESULT CProgressHelper::Progress( DWORD dwTranspiredTicks )
  65 {
  66     m_cur_ticks = dwTranspiredTicks;
  67
  68     if(m_callback != NULL)
  69         m_callback(m_cur_ticks, max(m_max_ticks, m_cur_ticks));
  70
  71     return S_OK;
  72 }
  73
  74 HRESULT CProgressHelper::End()
  75 {
  76     m_cur_ticks = m_max_ticks;
  77
  78     return S_OK;
  79 }
  80
  81 HRESULT CProgressHelper::QueryInterface( REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject )
  82 {
  83     if(riid == IID_IWMDMProgress || riid == IID_IUnknown)
  84     {
  85         *ppvObject = this;
  86         return S_OK;
  87     }
  88     else
  89     {
  90         *ppvObject = NULL;
  91         return E_NOINTERFACE;
  92     }
  93 }
  94
  95 ULONG CProgressHelper::AddRef()
  96 {
  97     return m_counter++;
  98 }
  99 ULONG CProgressHelper::Release()
 100 {
 101     return m_counter--;
 102 }