113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
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/////////////////////////////////////////////////////////////////////////////////////
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// ATSCChannelTuneRequestimpl.h : implementation helper template for component type interface
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// Copyright (c) Microsoft Corporation 1999.
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#ifndef ATSCCHANNELTUNEREQUESTIMPL_H
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#define ATSCCHANNELTUNEREQUESTIMPL_H
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#include "channeltunerequestimpl.h"
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#include "atsclocator.h"
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namespace BDATuningModel {
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template<class T,
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class MostDerived = IATSCChannelTuneRequest,
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LPCGUID iid = &__uuidof(MostDerived),
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LPCGUID LibID = &LIBID_TunerLib,
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WORD wMajor = 1,
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WORD wMinor = 0,
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class tihclass = CComTypeInfoHolder
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> class ATL_NO_VTABLE IATSCChannelTuneRequestImpl :
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public IChannelTuneRequestImpl<T, MostDerived, iid, LibID, wMajor, wMinor, tihclass>
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{
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// IATSCChannelTuneRequest
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public:
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typedef IChannelTuneRequestImpl<T, MostDerived, iid, LibID, wMajor, wMinor, tihclass> basetype;
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virtual ~IATSCChannelTuneRequestImpl() {}
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IATSCChannelTuneRequestImpl() : m_MinorChannel(-1){}
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BEGIN_PROP_MAP(IATSCChannelTuneRequestImpl)
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CHAIN_PROP_MAP(basetype)
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PROP_DATA_ENTRY("Minor Channel", m_MinorChannel, VT_I4)
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END_PROP_MAP()
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long m_MinorChannel;
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STDMETHOD(get_MinorChannel)(long *pVal)
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{
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try {
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if (!pVal) {
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return E_POINTER;
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}
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ATL_LOCKT();
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*pVal = m_MinorChannel;
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} catch (...) {
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return E_POINTER;
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}
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return NOERROR;
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}
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STDMETHOD(put_MinorChannel)(long newVal)
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{
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ATL_LOCKT();
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TNATSCTuningSpace ts(m_TS);
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if (!m_TS) {
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return E_UNEXPECTED;
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}
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if (newVal != BDA_UNDEFINED_CHANNEL) {
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if (newVal < ts.MinMinorChannel()) {
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newVal = ts.MaxMinorChannel();
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} else if (newVal > ts.MaxMinorChannel()) {
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newVal = ts.MinMinorChannel();
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}
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}
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m_MinorChannel = newVal;
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MARK_DIRTY(T);
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return NOERROR;
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}
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STDMETHOD(Clone) (ITuneRequest **ppTR) {
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try {
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if (!ppTR) {
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return E_POINTER;
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}
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ATL_LOCKT();
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HRESULT hr = basetype::Clone(ppTR);
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if (FAILED(hr)) {
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return hr;
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}
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T* pt = static_cast<T*>(*ppTR);
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pt->m_MinorChannel = m_MinorChannel;
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return NOERROR;
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} catch (HRESULT h) {
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return h;
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} catch (...) {
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return E_POINTER;
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}
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}
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STDMETHOD(put_Locator)(ILocator *pLocator)
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{
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try {
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if (pLocator) {
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PQATSCLocator pL(pLocator);
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if (!pL) {
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return DISP_E_TYPEMISMATCH;
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}
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}
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return basetype::put_Locator(pLocator);
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} catch (...) {
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return E_POINTER;
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}
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}
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};
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}; // namespace
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#endif // ATSCCHANNELTUNEREQUESTIMPL_H
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// end of file -- atschchanneltunerequestimpl.h
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