158 lines
3.2 KiB
C++
158 lines
3.2 KiB
C++
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/*****************************************************************************\
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* MODULE: reqcont.cpp
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*
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* PURPOSE: Implementation of COM interface for BidiSpooler
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*
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* Copyright (C) 2000 Microsoft Corporation
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*
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* History:
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*
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* 03/09/00 Weihai Chen (weihaic) Created
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*
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\*****************************************************************************/
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#include "precomp.h"
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#include "priv.h"
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TBidiRequestContainer::TBidiRequestContainer():
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m_cRef(1)
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{
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InterlockedIncrement(&g_cComponents) ;
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m_bValid = m_ReqInterfaceList.bValid ();
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DBGMSG(DBG_TRACE,("TBidiRequestContainer Created\n"));
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}
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TBidiRequestContainer::~TBidiRequestContainer()
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{
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InterlockedDecrement(&g_cComponents) ;
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DBGMSG(DBG_TRACE,("TBidiRequestContainer Dstroy self\n"));
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}
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STDMETHODIMP
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TBidiRequestContainer::QueryInterface (
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REFIID iid,
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void** ppv)
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{
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HRESULT hr = S_OK;
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DBGMSG(DBG_TRACE,("Enter TBidiRequestContainer QI\n"));
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if (iid == IID_IUnknown) {
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*ppv = static_cast<IBidiRequestContainer*>(this) ;
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}
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else if (iid == IID_IBidiRequestContainer) {
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*ppv = static_cast<IBidiRequestContainer*>(this) ;
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}
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else {
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*ppv = NULL ;
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hr = E_NOINTERFACE ;
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}
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if (*ppv) {
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reinterpret_cast<IUnknown*>(*ppv)->AddRef() ;
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}
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DBGMSG(DBG_TRACE,("Leave TBidiRequestContainer QI hr=%x\n", hr));
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return hr ;
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}
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STDMETHODIMP_ (ULONG)
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TBidiRequestContainer::AddRef ()
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{
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DBGMSG(DBG_TRACE,("Enter TBidiRequestContainer::AddRef ref= %d\n", m_cRef));
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return InterlockedIncrement(&m_cRef) ;
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}
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STDMETHODIMP_ (ULONG)
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TBidiRequestContainer::Release ()
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{
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DBGMSG(DBG_TRACE,("Enter TBidiRequestContainer::Release ref= %d\n", m_cRef));
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if (InterlockedDecrement(&m_cRef) == 0)
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{
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delete this ;
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return 0 ;
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}
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return m_cRef ;
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}
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STDMETHODIMP
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TBidiRequestContainer::AddRequest (
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IN IBidiRequest *pRequest)
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{
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HRESULT hr (E_FAIL);
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DBGMSG(DBG_TRACE,("Enter TBidiRequestContainer::AddRequest\n"));
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if (m_bValid) {
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TBidiRequestInterfaceData * pData = NULL;
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pData = new TBidiRequestInterfaceData (pRequest);
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if (pData) {
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if (m_ReqInterfaceList.AppendItem (pData)) {
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hr = S_OK;
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}
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else
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delete pData;
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}
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if (hr != S_OK) {
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hr = LastError2HRESULT ();
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}
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}
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else
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hr = E_HANDLE;
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return hr;
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}
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STDMETHODIMP
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TBidiRequestContainer::GetEnumObject (
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OUT IEnumUnknown **ppenum)
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{
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HRESULT hr;
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if (m_bValid) {
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hr = PrivCreateComponent <TBidiRequestContainerEnum> (
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new TBidiRequestContainerEnum (*this, m_ReqInterfaceList),
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IID_IEnumUnknown, (void **)ppenum);
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}
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else
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hr = E_HANDLE;
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return hr;
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}
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STDMETHODIMP
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TBidiRequestContainer::GetRequestCount(
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OUT ULONG *puCount)
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{
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HRESULT hr;
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if (m_bValid) {
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if (m_ReqInterfaceList.GetTotalNode (puCount)) {
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hr = S_OK;
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}
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else
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hr = LastError2HRESULT ();
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}
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else
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hr = E_HANDLE;
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return hr;
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}
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