161 lines
2.8 KiB
C++
161 lines
2.8 KiB
C++
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//=======================================================================
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//
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// Copyright (c) 1999 Microsoft Corporation. All Rights Reserved.
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//
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// File: callback.cpp
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//
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// Purpose: INSENG callback implementation
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//
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// History: 19-jan-99 YAsmi Created
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//
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//=======================================================================
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#include "callback.h"
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CInstallEngineCallback::CInstallEngineCallback()
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{
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m_cRef = 0;
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m_pProgress = NULL;
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m_pEngine = NULL;
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Reset();
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}
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void CInstallEngineCallback::Reset()
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{
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m_dwInstallStatus = 0;
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m_dwPhase = INSTALLSTATUS_INITIALIZING;
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m_hResult = NOERROR;
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m_bAborted = FALSE;
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}
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//
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//IUnknown
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//
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STDMETHODIMP_(ULONG) CInstallEngineCallback::AddRef()
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{
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return ++m_cRef;
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}
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STDMETHODIMP_(ULONG) CInstallEngineCallback::Release()
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{
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if (--m_cRef != 0)
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return m_cRef;
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//we don't delete the object here because we want the client of the object to explicitly delete it
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return 0;
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}
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STDMETHODIMP CInstallEngineCallback::QueryInterface(REFIID riid, void** ppv)
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{
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*ppv = NULL;
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if((riid == IID_IUnknown) || (riid == IID_IInstallEngineCallback))
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*ppv = this;
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if(*ppv == NULL)
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return E_NOINTERFACE;
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((LPUNKNOWN)*ppv)->AddRef();
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return NOERROR;
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}
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//
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//IInstallEngineCallback
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//
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STDMETHODIMP CInstallEngineCallback::OnComponentProgress(LPCSTR pszID, DWORD dwPhase, LPCSTR pszString, LPCSTR pszMsgString, ULONG ulSofar, ULONG ulMax)
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{
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/*
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if(dwPhase == INSTALLSTATUS_RUNNING)
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_pProgDlg->SetInsProgress(ulSofar);
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*/
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m_dwPhase = dwPhase;
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if (m_pProgress != NULL)
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{
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//
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// check for cancel
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//
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if (m_pEngine != NULL)
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{
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if (!m_bAborted)
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{
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if (WaitForSingleObject(m_pProgress->GetCancelEvent(), 0) == WAIT_OBJECT_0)
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m_bAborted = TRUE;
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}
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if (m_bAborted)
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{
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//
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// keep telling the engine to abort
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//
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m_pEngine->Abort(0);
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}
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}
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}
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return NOERROR;
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}
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STDMETHODIMP CInstallEngineCallback::OnStopComponent(LPCSTR pszID, HRESULT hrError, DWORD dwPhase, LPCSTR pszString, DWORD dwStatus)
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{
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return NOERROR;
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}
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STDMETHODIMP CInstallEngineCallback::OnEngineStatusChange(DWORD dwEngineStatus, DWORD sub)
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{
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return NOERROR;
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}
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STDMETHODIMP CInstallEngineCallback::OnStartInstall(DWORD dwDLSize, DWORD dwTotalSize)
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{
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/*
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if(_pProgDlg)
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_pProgDlg->SetInsProgGoal(dwTotalSize);
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*/
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return NOERROR;
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}
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STDMETHODIMP CInstallEngineCallback::OnStartComponent(LPCSTR pszID, DWORD dwDLSize,
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DWORD dwInstallSize, LPCSTR pszName)
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{
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/*
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_strCurrentName = BSTRFROMANSI(pszName);
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*/
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return NOERROR;
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}
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STDMETHODIMP CInstallEngineCallback::OnEngineProblem(DWORD dwProblem, LPDWORD pdwAction)
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{
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return S_OK;
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}
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STDMETHODIMP CInstallEngineCallback::OnStopInstall(HRESULT hrError, LPCSTR szError, DWORD dwStatus)
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{
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m_hResult = hrError;
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m_dwInstallStatus = dwStatus;
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return NOERROR;
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}
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