123 lines
2.9 KiB
C++
123 lines
2.9 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 2000.
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//
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// File: C D Y N A M I C C O N T E N T S O U R C E . C P P
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//
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// Contents:
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//
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// Notes:
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//
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// Author: mbend 17 Aug 2000
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//
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//----------------------------------------------------------------------------
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#include "pch.h"
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#pragma hdrstop
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#include "uhbase.h"
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#include "hostp.h"
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#include "DynamicContentSource.h"
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#include "uhsync.h"
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#include "uhcommon.h"
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CDynamicContentSource::CDynamicContentSource()
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{
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}
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STDMETHODIMP CDynamicContentSource::GetContent(
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/*[in]*/ REFGUID guidContent,
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/*[out]*/ long * pnHeaderCount,
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/*[out, string, size_is(,*pnHeaderCount,)]*/ wchar_t *** parszHeaders,
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/*[out]*/ long * pnBytes,
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/*[out, size_is(,*pnBytes)]*/ byte ** parBytes)
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{
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CHECK_POINTER(pnHeaderCount);
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CHECK_POINTER(parszHeaders);
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CHECK_POINTER(pnBytes);
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CHECK_POINTER(parBytes);
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CALock lock(*this);
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HRESULT hr = E_INVALIDARG;
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hr = HrIsAllowedCOMCallLocality((CALL_LOCALITY) CALL_LOCALITY_INPROC);
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if (SUCCEEDED(hr))
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{
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long nCount = m_providerArray.GetCount();
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for(long n = 0; n < nCount; ++n)
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{
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hr = m_providerArray[n]->GetContent(
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guidContent,
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pnHeaderCount,
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parszHeaders,
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pnBytes,
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parBytes);
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if(FAILED(hr) || S_OK == hr)
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{
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break;
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}
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}
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if(S_FALSE == hr)
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{
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TraceTag(ttidError, "CDynamicContentSource::GetContent - cannot find content");
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// We didn't find anything so convert to an error
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hr = E_INVALIDARG;
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}
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}
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TraceHr(ttidError, FAL, hr, FALSE, "CDynamicContentSource::GetContent");
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return hr;
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}
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STDMETHODIMP CDynamicContentSource::RegisterProvider(
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/*[in]*/ IUPnPDynamicContentProvider * pProvider)
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{
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CHECK_POINTER(pProvider);
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CALock lock(*this);
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HRESULT hr = S_OK;
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IUPnPDynamicContentProviderPtr p;
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p = pProvider;
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hr = HrIsAllowedCOMCallLocality((CALL_LOCALITY) CALL_LOCALITY_INPROC);
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if (SUCCEEDED(hr))
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{
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hr = m_providerArray.HrPushBack(p);
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}
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TraceHr(ttidError, FAL, hr, FALSE, "CDynamicContentSource::RegisterProvider");
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return hr;
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}
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STDMETHODIMP CDynamicContentSource::UnregisterProvider(
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/*[in]*/ IUPnPDynamicContentProvider * pProvider)
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{
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CHECK_POINTER(pProvider);
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CALock lock(*this);
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HRESULT hr = S_OK;
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IUPnPDynamicContentProviderPtr p;
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p = pProvider;
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long nIndex = 0;
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hr = HrIsAllowedCOMCallLocality((CALL_LOCALITY) CALL_LOCALITY_INPROC);
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if (SUCCEEDED(hr))
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{
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hr = m_providerArray.HrFind(p, nIndex);
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}
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if(SUCCEEDED(hr))
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{
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hr = m_providerArray.HrErase(nIndex);
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}
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TraceHr(ttidError, FAL, hr, FALSE, "CDynamicContentSource::UnregisterProvider");
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return hr;
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}
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