Sweden-Number/dlls/dxdiagn/provider.c

120 lines
3.8 KiB
C

/*
* IDxDiagProvider Implementation
*
* Copyright 2004 Raphael Junqueira
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "config.h"
#include "dxdiag_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dxdiag);
/* IDxDiagProvider IUnknown parts follow: */
HRESULT WINAPI IDxDiagProviderImpl_QueryInterface(PDXDIAGPROVIDER iface, REFIID riid, LPVOID *ppobj)
{
IDxDiagProviderImpl *This = (IDxDiagProviderImpl *)iface;
if (IsEqualGUID(riid, &IID_IUnknown)
|| IsEqualGUID(riid, &IID_IDxDiagProvider)) {
IDxDiagProviderImpl_AddRef(iface);
*ppobj = This;
return S_OK;
}
WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
return E_NOINTERFACE;
}
ULONG WINAPI IDxDiagProviderImpl_AddRef(PDXDIAGPROVIDER iface) {
IDxDiagProviderImpl *This = (IDxDiagProviderImpl *)iface;
TRACE("(%p) : AddRef from %ld\n", This, This->ref);
return ++(This->ref);
}
ULONG WINAPI IDxDiagProviderImpl_Release(PDXDIAGPROVIDER iface) {
IDxDiagProviderImpl *This = (IDxDiagProviderImpl *)iface;
ULONG ref = --This->ref;
TRACE("(%p) : ReleaseRef to %ld\n", This, This->ref);
if (ref == 0) {
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
/* IDxDiagProvider Interface follow: */
HRESULT WINAPI IDxDiagProviderImpl_Initialize(PDXDIAGPROVIDER iface, DXDIAG_INIT_PARAMS* pParams) {
IDxDiagProviderImpl *This = (IDxDiagProviderImpl *)iface;
TRACE("(%p,%p)\n", iface, pParams);
if (NULL == pParams) {
return E_POINTER;
}
if (pParams->dwSize != sizeof(DXDIAG_INIT_PARAMS)) {
return E_INVALIDARG;
}
This->init = TRUE;
memcpy(&This->params, pParams, pParams->dwSize);
return S_OK;
}
HRESULT WINAPI IDxDiagProviderImpl_GetRootContainer(PDXDIAGPROVIDER iface, IDxDiagContainer** ppInstance) {
HRESULT hr = S_OK;
IDxDiagProviderImpl *This = (IDxDiagProviderImpl *)iface;
TRACE("(%p,%p)\n", iface, ppInstance);
if (NULL == ppInstance) {
return E_INVALIDARG;
}
if (FALSE == This->init) {
return E_INVALIDARG; /* should be E_CO_UNINITIALIZED */
}
if (NULL == This->pRootContainer) {
hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &This->pRootContainer);
if (FAILED(hr)) {
return hr;
}
}
return IDxDiagContainerImpl_QueryInterface((PDXDIAGCONTAINER)This->pRootContainer, &IID_IDxDiagContainer, (void**) ppInstance);
}
IDxDiagProviderVtbl DxDiagProvider_Vtbl =
{
IDxDiagProviderImpl_QueryInterface,
IDxDiagProviderImpl_AddRef,
IDxDiagProviderImpl_Release,
IDxDiagProviderImpl_Initialize,
IDxDiagProviderImpl_GetRootContainer
};
HRESULT DXDiag_CreateDXDiagProvider(LPCLASSFACTORY iface, LPUNKNOWN punkOuter, REFIID riid, LPVOID *ppobj) {
IDxDiagProviderImpl* provider;
TRACE("(%p, %s, %p)\n", punkOuter, debugstr_guid(riid), ppobj);
provider = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDxDiagProviderImpl));
if (NULL == provider) {
*ppobj = NULL;
return E_OUTOFMEMORY;
}
provider->lpVtbl = &DxDiagProvider_Vtbl;
provider->ref = 0; /* will be inited with QueryInterface */
return IDxDiagProviderImpl_QueryInterface ((PDXDIAGPROVIDER)provider, riid, ppobj);
}