110 lines
2.2 KiB
C++
110 lines
2.2 KiB
C++
#include "main.h"
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#include "./resource.h"
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#include "./external.h"
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ExternalDispatch::ExternalDispatch()
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: ref(1)
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{
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}
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ExternalDispatch::~ExternalDispatch()
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{
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}
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HRESULT ExternalDispatch::CreateInstance(ExternalDispatch **instance)
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{
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if (NULL == instance) return E_POINTER;
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*instance = new ExternalDispatch();
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if (NULL == *instance) return E_OUTOFMEMORY;
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return S_OK;
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}
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LPCWSTR ExternalDispatch::GetName()
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{
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return L"NowPlaying";
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}
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ULONG ExternalDispatch::AddRef(void)
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{
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return InterlockedIncrement((LONG*)&ref);
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}
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ULONG ExternalDispatch::Release(void)
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{
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if (0 == ref)
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return ref;
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LONG r = InterlockedDecrement((LONG*)&ref);
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if (0 == r)
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delete(this);
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return r;
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}
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STDMETHODIMP ExternalDispatch::QueryInterface(REFIID riid, void **ppvObject)
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{
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if (NULL == ppvObject) return E_POINTER;
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if (IsEqualIID(riid, IID_IDispatch))
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*ppvObject = static_cast<IDispatch*>(this);
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else if (IsEqualIID(riid, IID_IUnknown))
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*ppvObject = static_cast<IUnknown*>(this);
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else
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{
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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AddRef();
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return S_OK;
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}
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HRESULT ExternalDispatch::GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid)
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{
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bool unknowns = false;
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for (unsigned int i = 0;i != cNames;i++)
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{
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if (_wcsicmp(rgszNames[i], L"hidden") == 0)
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rgdispid[i] = DISPATCH_HIDDEN;
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else
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{
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rgdispid[i] = DISPID_UNKNOWN;
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unknowns = true;
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}
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}
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if (unknowns)
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return DISP_E_UNKNOWNNAME;
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else
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return S_OK;
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}
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HRESULT ExternalDispatch::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
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{
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return E_NOTIMPL;
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}
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HRESULT ExternalDispatch::GetTypeInfoCount(unsigned int FAR * pctinfo)
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{
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return E_NOTIMPL;
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}
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HRESULT ExternalDispatch::Invoke(DISPID dispId, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr)
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{
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switch(dispId)
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{
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case DISPATCH_HIDDEN:
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if (NULL != pvarResult)
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{
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HWND hLibrary = Plugin_GetLibrary();
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VariantInit(pvarResult);
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V_VT(pvarResult) = VT_BOOL;
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V_BOOL(pvarResult) = (NULL == hLibrary || FALSE == SENDMLIPC(hLibrary, ML_IPC_IS_VISIBLE, 0));
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}
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return S_OK;
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}
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return DISP_E_MEMBERNOTFOUND;
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} |