117 lines
2.8 KiB
C
117 lines
2.8 KiB
C
|
/////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
// ChannelTuneRequestimpl.h : implementation helper template for component type interface
|
||
|
|
// Copyright (c) Microsoft Corporation 1999.
|
||
|
|
|
||
|
|
#ifndef CHANNELTUNEREQUESTIMPL_H
|
||
|
|
#define CHANNELTUNEREQUESTIMPL_H
|
||
|
|
|
||
|
|
#include <tune.h>
|
||
|
|
#include "tunerequestimpl.h"
|
||
|
|
|
||
|
|
namespace BDATuningModel {
|
||
|
|
|
||
|
|
template<class T,
|
||
|
|
class MostDerived = IChannelTuneRequest,
|
||
|
|
LPCGUID iid = &__uuidof(MostDerived),
|
||
|
|
LPCGUID LibID = &LIBID_TunerLib,
|
||
|
|
WORD wMajor = 1,
|
||
|
|
WORD wMinor = 0,
|
||
|
|
class tihclass = CComTypeInfoHolder
|
||
|
|
> class ATL_NO_VTABLE IChannelTuneRequestImpl :
|
||
|
|
public ITuneRequestImpl<T, MostDerived, iid, LibID, wMajor, wMinor, tihclass>
|
||
|
|
{
|
||
|
|
// IChannelTuneRequest
|
||
|
|
public:
|
||
|
|
typedef ITuneRequestImpl<T, MostDerived, iid, LibID, wMajor, wMinor, tihclass> basetype;
|
||
|
|
|
||
|
|
IChannelTuneRequestImpl() : m_Channel(-1) {}
|
||
|
|
virtual ~IChannelTuneRequestImpl() {}
|
||
|
|
BEGIN_PROP_MAP(IChannelTuneRequestImpl)
|
||
|
|
CHAIN_PROP_MAP(basetype)
|
||
|
|
PROP_DATA_ENTRY("Channel", m_Channel, VT_I4)
|
||
|
|
END_PROP_MAP()
|
||
|
|
|
||
|
|
long m_Channel;
|
||
|
|
STDMETHOD(get_Channel)(long *pVal)
|
||
|
|
{
|
||
|
|
try {
|
||
|
|
if (!pVal) {
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
ATL_LOCKT();
|
||
|
|
*pVal = m_Channel;
|
||
|
|
} catch (...) {
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
return NOERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHOD(put_Channel)(long newVal)
|
||
|
|
{
|
||
|
|
ATL_LOCKT();
|
||
|
|
if (!m_TS) {
|
||
|
|
return E_UNEXPECTED;
|
||
|
|
}
|
||
|
|
long maxval;
|
||
|
|
long minval;
|
||
|
|
TNAnalogTVTuningSpace ts(m_TS);
|
||
|
|
if (ts) {
|
||
|
|
maxval = ts.MaxChannel();
|
||
|
|
minval = ts.MinChannel();
|
||
|
|
} else {
|
||
|
|
TNAnalogRadioTuningSpace ts2(m_TS);
|
||
|
|
if (ts2) {
|
||
|
|
maxval = ts2.MaxFrequency();
|
||
|
|
minval = ts2.MinFrequency();
|
||
|
|
} else {
|
||
|
|
TNAuxInTuningSpace ts3(m_TS);
|
||
|
|
if(ts3){
|
||
|
|
maxval = 1;
|
||
|
|
minval = 0;
|
||
|
|
}
|
||
|
|
else{
|
||
|
|
return E_UNEXPECTED;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (newVal != BDA_UNDEFINED_CHANNEL) {
|
||
|
|
if (newVal < minval) {
|
||
|
|
newVal = maxval;
|
||
|
|
} else if (newVal > maxval) {
|
||
|
|
newVal = minval;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
m_Channel = newVal;
|
||
|
|
MARK_DIRTY(T);
|
||
|
|
|
||
|
|
return NOERROR;
|
||
|
|
}
|
||
|
|
STDMETHOD(Clone) (ITuneRequest **ppTR) {
|
||
|
|
try {
|
||
|
|
if (!ppTR) {
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
ATL_LOCKT();
|
||
|
|
HRESULT hr = basetype::Clone(ppTR);
|
||
|
|
if (FAILED(hr)) {
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
T* pt = static_cast<T*>(*ppTR);
|
||
|
|
pt->m_Channel = m_Channel;
|
||
|
|
return NOERROR;
|
||
|
|
} catch (HRESULT h) {
|
||
|
|
return h;
|
||
|
|
} catch (...) {
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
typedef CComQIPtr<IChannelTuneRequest> PQChannelTuneRequest;
|
||
|
|
|
||
|
|
}; // namespace
|
||
|
|
|
||
|
|
#endif // CHANNELTUNEREQUESTIMPL_H
|
||
|
|
// end of file -- channeltunerequestimpl.h
|