diff options
Diffstat (limited to 'Src/Winamp/JSAPI_ObjectArray.cpp')
| -rw-r--r-- | Src/Winamp/JSAPI_ObjectArray.cpp | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/Src/Winamp/JSAPI_ObjectArray.cpp b/Src/Winamp/JSAPI_ObjectArray.cpp new file mode 100644 index 00000000..f422318f --- /dev/null +++ b/Src/Winamp/JSAPI_ObjectArray.cpp @@ -0,0 +1,257 @@ +#include "JSAPI_ObjectArray.h" +#include "JSAPI.h" +#include <strsafe.h> + +JSAPI::ObjectArray::ObjectArray() +{ + refCount = 1; +} + +JSAPI::ObjectArray::~ObjectArray() +{ + for ( IDispatch *l_object : objects ) + l_object->Release(); +} + +enum +{ + OBJ_ARRAY_DISP_LENGTH, + OBJ_ARRAY_NUM_DISP, +}; + +HRESULT JSAPI::ObjectArray::GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid) +{ + bool unknowns = false; + for (unsigned int i = 0;i != cNames;i++) + { + rgdispid[i] = DISPID_UNKNOWN; + if (!wcscmp(rgszNames[i], L"length")) + rgdispid[i]=OBJ_ARRAY_DISP_LENGTH; + else + { + if (rgszNames[i][0] >= L'0' && rgszNames[i][0] <= L'9') + rgdispid[i]=_wtoi(rgszNames[i]) + OBJ_ARRAY_NUM_DISP; + else + unknowns=true; + } + + } + + if (unknowns) + return DISP_E_UNKNOWNNAME; + else + return S_OK; +} + +HRESULT JSAPI::ObjectArray::Invoke(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr) +{ + JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0); + + switch(dispid) + { + case OBJ_ARRAY_DISP_LENGTH: + { + JSAPI_INIT_RESULT(pvarResult, VT_I4); + JSAPI_SET_RESULT(pvarResult, lVal, (LONG)objects.size()); + return S_OK; + } + default: + { + if (dispid < OBJ_ARRAY_NUM_DISP) + return DISP_E_MEMBERNOTFOUND; + + size_t index = (size_t)dispid - OBJ_ARRAY_NUM_DISP; + if (index>=objects.size()) + return DISP_E_MEMBERNOTFOUND; + + objects[index]->AddRef(); + JSAPI_INIT_RESULT(pvarResult, VT_DISPATCH); + JSAPI_SET_RESULT(pvarResult, pdispVal, objects[index]); + return S_OK; + } + } +} + +HRESULT JSAPI::ObjectArray::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo) +{ + return E_NOTIMPL; +} + +HRESULT JSAPI::ObjectArray::GetTypeInfoCount(unsigned int FAR * pctinfo) +{ + return E_NOTIMPL; +} + +STDMETHODIMP JSAPI::ObjectArray::QueryInterface(REFIID riid, PVOID *ppvObject) +{ + if (!ppvObject) + return E_POINTER; + + else if (IsEqualIID(riid, IID_IDispatch)) + *ppvObject = (IDispatch *)this; + else if (IsEqualIID(riid, IID_IUnknown)) + *ppvObject = this; + else if (IsEqualIID(riid, IID_IDispatchEx)) + *ppvObject = (IDispatchEx *)this; + else + { + *ppvObject = NULL; + return E_NOINTERFACE; + } + + AddRef(); + return S_OK; +} + +ULONG JSAPI::ObjectArray::AddRef(void) +{ + return InterlockedIncrement(&refCount); +} + + +ULONG JSAPI::ObjectArray::Release(void) +{ + LONG lRef = InterlockedDecrement(&refCount); + if (lRef == 0) delete this; + return lRef; +} + +void JSAPI::ObjectArray::AddObject(IDispatch *obj) +{ + obj->AddRef(); + objects.push_back(obj); +} + + +HRESULT JSAPI::ObjectArray::GetDispID(BSTR bstrName, DWORD grfdex, DISPID *pid) +{ + if (!wcscmp(bstrName, L"length")) + *pid=OBJ_ARRAY_DISP_LENGTH; + else + { + if (bstrName[0] >= L'0' && bstrName[0] <= L'9') + *pid=_wtoi(bstrName) + OBJ_ARRAY_NUM_DISP; + else + return DISP_E_MEMBERNOTFOUND; + + } + return S_OK; +} + +HRESULT JSAPI::ObjectArray::InvokeEx( + /* [in] */ DISPID id, + /* [in] */ LCID lcid, + /* [in] */ WORD wFlags, + /* [in] */ DISPPARAMS *pdp, + /* [out] */ VARIANT *pvarRes, + /* [out] */ EXCEPINFO *pei, + /* [unique][in] */ IServiceProvider *pspCaller) +{ + JSAPI_VERIFY_PARAMCOUNT(pdp, 0); + + switch(id) + { + case OBJ_ARRAY_DISP_LENGTH: + { + JSAPI_INIT_RESULT(pvarRes, VT_I4); + JSAPI_SET_RESULT(pvarRes, lVal, (LONG)objects.size()); + return S_OK; + } + default: + { + if (id < OBJ_ARRAY_NUM_DISP) + return DISP_E_MEMBERNOTFOUND; + + size_t index = (size_t)id - OBJ_ARRAY_NUM_DISP; + if (index>=objects.size()) + return DISP_E_MEMBERNOTFOUND; + + objects[index]->AddRef(); + JSAPI_INIT_RESULT(pvarRes, VT_DISPATCH); + JSAPI_SET_RESULT(pvarRes, pdispVal, objects[index]); + return S_OK; + } + } + +} + +HRESULT JSAPI::ObjectArray::DeleteMemberByName( + /* [in] */ BSTR bstrName, + /* [in] */ DWORD grfdex) +{ + return E_NOTIMPL; +} + +HRESULT JSAPI::ObjectArray::DeleteMemberByDispID( + /* [in] */ DISPID id) +{ + return E_NOTIMPL; +} + +HRESULT JSAPI::ObjectArray::GetMemberProperties( + /* [in] */ DISPID id, + /* [in] */ DWORD grfdexFetch, + /* [out] */ DWORD *pgrfdex) +{ + return E_NOTIMPL; +} + +HRESULT JSAPI::ObjectArray::GetMemberName( + /* [in] */ DISPID id, + /* [out] */ BSTR *pbstrName) +{ + if (id >= OBJ_ARRAY_NUM_DISP) + { + wchar_t temp[64] = {0}; + StringCbPrintfW(temp, sizeof(temp), L"%d", id-OBJ_ARRAY_NUM_DISP); + *pbstrName = SysAllocString(temp); + return S_OK; + } + return E_NOTIMPL; +} + +HRESULT JSAPI::ObjectArray::GetNextDispID( + /* [in] */ DWORD grfdex, + /* [in] */ DISPID id, + /* [out] */ DISPID *pid) +{ + if (grfdex == fdexEnumDefault) + { + if (id == DISPID_UNKNOWN) + { + if (objects.empty()) + return S_FALSE; + else + { + *pid = OBJ_ARRAY_NUM_DISP; + return S_OK; + } + } + else if (id < OBJ_ARRAY_NUM_DISP) + { + return S_FALSE; + } + else + { + size_t index = (id - OBJ_ARRAY_NUM_DISP) + 1; + if (index >= objects.size()) + { + return S_FALSE; + } + else + { + *pid = OBJ_ARRAY_NUM_DISP + (LONG)index; + return S_OK; + } + + } + } + + return E_NOTIMPL; +} + +HRESULT JSAPI::ObjectArray::GetNameSpaceParent( + /* [out] */ IUnknown **ppunk) +{ + return E_NOTIMPL; +}
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