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#include "./cddbevnt.h"
#include "cddbinterface.h"
#include <strsafe.h>
#include <ocidl.h>
#include "cddbcontrolwinamp.tlh"
CDBBEventManager::CDBBEventManager(void) : ref(1), cookie(0), user(0),
fnCmdCompleted(NULL), fnCmdProgress(NULL),
fnLogMessage(NULL), fnServerMessage(NULL)
{
}
CDBBEventManager::~CDBBEventManager(void)
{
}
HRESULT CDBBEventManager::Advise(IUnknown *pCDDBCtrl)
{
HRESULT hr;
IConnectionPoint *pcp;
IConnectionPointContainer *pcpc;
if (cookie) return E_FAIL;
if (!pCDDBCtrl) return E_INVALIDARG;
hr = pCDDBCtrl->QueryInterface(IID_IConnectionPointContainer, (PVOID*)&pcpc);
if (SUCCEEDED (hr))
{
hr = pcpc->FindConnectionPoint(DIID_DCDDBEvents, &pcp);
if (SUCCEEDED(hr))
{
hr = pcp->Advise(static_cast<IDispatch*>(this), &cookie);
if (FAILED(hr)) cookie = 0;
pcp->Release();
}
pcpc->Release();
}
return hr;
}
HRESULT CDBBEventManager::Unadvise(IUnknown *pCDDBCtrl)
{
HRESULT hr;
IConnectionPoint *pcp = nullptr;
IConnectionPointContainer *pcpc = nullptr;
if (!cookie) return S_OK;
if (!pCDDBCtrl) return E_INVALIDARG;
hr = pCDDBCtrl->QueryInterface(IID_IConnectionPointContainer, (PVOID*)&pcpc);
if (SUCCEEDED (hr))
{
hr = pcpc->FindConnectionPoint(DIID_DCDDBEvents, &pcp);
if (SUCCEEDED(hr))
{
hr = pcp->Unadvise(cookie);
pcp->Release();
}
pcpc->Release();
}
return hr;
}
HRESULT CDBBEventManager::RegisterCallback(UINT nType, void *fnCallback)
{
switch(nType)
{
case CDDB_CB_CMDCOMPLETED: fnCmdCompleted = (CDDB_CMDCOMPLETED)fnCallback; break;
case CDDB_CB_CMDPROGRESS: fnCmdProgress = (CDDB_CMDPROGRESS)fnCallback; break;
case CDDB_CB_LOGMSG: fnLogMessage = (CDDB_LOGMSG)fnCallback; break;
case CDDB_CB_SRVMSG: fnServerMessage = (CDDB_SRVMSG)fnCallback; break;
default: return E_INVALIDARG;
}
return S_OK;
}
ULONG_PTR CDBBEventManager::SetUserParam(ULONG_PTR userParam)
{
ULONG_PTR tmp = user;
user = userParam;
return tmp;
}
STDMETHODIMP CDBBEventManager::QueryInterface(REFIID riid, PVOID *ppvObject)
{
if (!ppvObject) return E_POINTER;
if (IsEqualIID(riid, DIID_DCDDBEvents))
*ppvObject = dynamic_cast<CDBBEventManager*>(this);
else if (IsEqualIID(riid, IID_IDispatch))
*ppvObject = dynamic_cast<IDispatch*>(this);
else if (IsEqualIID(riid, IID_IUnknown))
*ppvObject = dynamic_cast<IUnknown*>(this);
else
{
*ppvObject = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
ULONG CDBBEventManager::AddRef(void)
{
return InterlockedIncrement(&ref);
}
ULONG CDBBEventManager::Release(void)
{
if (ref && 0 == InterlockedDecrement(&ref))
{
delete this;
return 0;
}
return ref;
}
STDMETHODIMP CDBBEventManager::GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid)
{
return DISP_E_UNKNOWNNAME;
}
STDMETHODIMP CDBBEventManager::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
{
return E_NOTIMPL;
}
STDMETHODIMP CDBBEventManager::GetTypeInfoCount(unsigned int FAR * pctinfo)
{
return E_NOTIMPL;
}
STDMETHODIMP CDBBEventManager::Invoke(DISPID dispId, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pDispParams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr)
{
switch(dispId)
{
case EVENT_COMMAND_COMPLETED:
if (3 != pDispParams->cArgs) return DISP_E_BADPARAMCOUNT;
OnCommandCompleted(pDispParams->rgvarg[2].lVal, pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0].pvarVal);
return S_OK;
case EVENT_LOG_MESSAGE:
if (1 != pDispParams->cArgs) return DISP_E_BADPARAMCOUNT;
OnLogMessage(pDispParams->rgvarg[0].bstrVal);
return S_OK;
case EVENT_SERVER_MESSAGE:
if (3 != pDispParams->cArgs) return DISP_E_BADPARAMCOUNT;
OnServerMessage(pDispParams->rgvarg[2].lVal, pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0].bstrVal);
return S_OK;
case EVENT_COMMAND_PROGRESS:
if (4 != pDispParams->cArgs) return DISP_E_BADPARAMCOUNT;
OnCommandProgress(pDispParams->rgvarg[3].lVal, pDispParams->rgvarg[2].lVal, pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0].lVal);
return S_OK;
}
return DISP_E_MEMBERNOTFOUND;
}
void CDBBEventManager::OnCommandCompleted(LONG lCommandCode, HRESULT hCommandResult, VARIANT *pCommandData)
{
if(fnCmdCompleted) fnCmdCompleted(lCommandCode, hCommandResult, pCommandData, user);
}
void CDBBEventManager::OnLogMessage(BSTR bstrMessage)
{
if(fnLogMessage) fnLogMessage(bstrMessage, user);
}
void CDBBEventManager::OnServerMessage(LONG lMessageCode, LONG lMessageAction, BSTR bstrMessageData)
{
if(fnServerMessage) fnServerMessage(lMessageCode, lMessageAction,bstrMessageData, user);
}
void CDBBEventManager::OnCommandProgress(LONG lCommandCode, LONG lProgressCode, LONG lBytesDone, LONG lBytesTotal)
{
if(fnCmdProgress) fnCmdProgress(lCommandCode, lProgressCode, lBytesDone, lBytesTotal, user);
}
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