rockbox/utils/MTP/MTP_DLL/progresshelper.cpp

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/*
* Windows MTP Firmware Uploading Implementation
*
* Based on http://opensource.creative.com/mtp_xfer.html
* Edited by Maurus Cuelenaere for Rockbox
*
* Copyright (c) 2009, Maurus Cuelenaere
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY MAURUS CUELENAERE ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL MAURUS CUELENAERE BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <windows.h>
#include "mswmdm_i.c"
#include "mswmdm.h"
#include "sac.h"
#include "scclient.h"
#include "progresshelper.h"
CProgressHelper::CProgressHelper( void (*callback)(unsigned int progress, unsigned int max) )
{
m_cur_ticks = 0;
m_max_ticks = 0;
m_counter = 0;
m_callback = callback;
}
CProgressHelper::~CProgressHelper()
{
}
HRESULT CProgressHelper::Begin( DWORD dwEstimatedTicks )
{
m_max_ticks = dwEstimatedTicks;
return S_OK;
}
HRESULT CProgressHelper::Progress( DWORD dwTranspiredTicks )
{
m_cur_ticks = dwTranspiredTicks;
if(m_callback != NULL)
m_callback(m_cur_ticks, max(m_max_ticks, m_cur_ticks));
return S_OK;
}
HRESULT CProgressHelper::End()
{
m_cur_ticks = m_max_ticks;
return S_OK;
}
HRESULT CProgressHelper::QueryInterface( REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject )
{
if(riid == IID_IWMDMProgress || riid == IID_IUnknown)
{
*ppvObject = this;
return S_OK;
}
else
{
*ppvObject = NULL;
return E_NOINTERFACE;
}
}
ULONG CProgressHelper::AddRef()
{
return m_counter++;
}
ULONG CProgressHelper::Release()
{
return m_counter--;
}