quartz/filtergraph: Implement the IDispatch methods for IMediaPosition.

dlls/quartz/filtergraph.c

@@ -2543,29 +2543,52 @@ static ULONG WINAPI MediaPosition_Release(IMediaPosition *iface)
     return IUnknown_Release(graph->outer_unk);
 }
 
-/*** IDispatch methods ***/
-static HRESULT WINAPI MediaPosition_GetTypeInfoCount(IMediaPosition *iface, UINT* pctinfo)
+static HRESULT WINAPI MediaPosition_GetTypeInfoCount(IMediaPosition *iface, UINT *count)
 {
-    FIXME("(%p) stub!\n", iface);
-    return E_NOTIMPL;
+    TRACE("iface %p, count %p.\n", iface, count);
+    *count = 1;
+    return S_OK;
 }
 
-static HRESULT WINAPI MediaPosition_GetTypeInfo(IMediaPosition *iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
+static HRESULT WINAPI MediaPosition_GetTypeInfo(IMediaPosition *iface, UINT index,
+        LCID lcid, ITypeInfo **typeinfo)
 {
-    FIXME("(%p) stub!\n", iface);
-    return E_NOTIMPL;
+    TRACE("iface %p, index %u, lcid %#x, typeinfo %p.\n", iface, index, lcid, typeinfo);
+    return strmbase_get_typeinfo(IMediaPosition_tid, typeinfo);
 }
 
-static HRESULT WINAPI MediaPosition_GetIDsOfNames(IMediaPosition* iface, REFIID riid, LPOLESTR* rgszNames, UINT cNames, LCID lcid, DISPID* rgDispId)
+static HRESULT WINAPI MediaPosition_GetIDsOfNames(IMediaPosition *iface, REFIID iid,
+        LPOLESTR *names, UINT count, LCID lcid, DISPID *ids)
 {
-    FIXME("(%p) stub!\n", iface);
-    return E_NOTIMPL;
+    ITypeInfo *typeinfo;
+    HRESULT hr;
+
+    TRACE("iface %p, iid %s, names %p, count %u, lcid %#x, ids %p.\n",
+            iface, debugstr_guid(iid), names, count, lcid, ids);
+
+    if (SUCCEEDED(hr = strmbase_get_typeinfo(IMediaPosition_tid, &typeinfo)))
+    {
+        hr = ITypeInfo_GetIDsOfNames(typeinfo, names, count, ids);
+        ITypeInfo_Release(typeinfo);
+    }
+    return hr;
 }
 
-static HRESULT WINAPI MediaPosition_Invoke(IMediaPosition* iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult, EXCEPINFO* pExcepInfo, UINT* puArgErr)
+static HRESULT WINAPI MediaPosition_Invoke(IMediaPosition *iface, DISPID id, REFIID iid, LCID lcid,
+        WORD flags, DISPPARAMS *params, VARIANT *result, EXCEPINFO *excepinfo, UINT *error_arg)
 {
-    FIXME("(%p) stub!\n", iface);
-    return E_NOTIMPL;
+    ITypeInfo *typeinfo;
+    HRESULT hr;
+
+    TRACE("iface %p, id %d, iid %s, lcid %#x, flags %#x, params %p, result %p, excepinfo %p, error_arg %p.\n",
+            iface, id, debugstr_guid(iid), lcid, flags, params, result, excepinfo, error_arg);
+
+    if (SUCCEEDED(hr = strmbase_get_typeinfo(IMediaPosition_tid, &typeinfo)))
+    {
+        hr = ITypeInfo_Invoke(typeinfo, iface, id, flags, params, result, excepinfo, error_arg);
+        ITypeInfo_Release(typeinfo);
+    }
+    return hr;
 }
 
 static HRESULT ConvertFromREFTIME(IMediaSeeking *seek, REFTIME time_in, LONGLONG *time_out)