mirror of
git://source.winehq.org/git/wine.git
synced 2024-10-31 12:19:49 +00:00
211 lines
5.6 KiB
C
211 lines
5.6 KiB
C
/*
|
|
* IEnumMoniker implementation
|
|
*
|
|
* Copyright 2003 Robert Shearman
|
|
*
|
|
* This file contains the (internal) driver registration functions,
|
|
* driver enumeration APIs and DirectDraw creation functions.
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#define COBJMACROS
|
|
|
|
#include "quartz_private.h"
|
|
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
|
|
|
|
typedef struct EnumMonikerImpl
|
|
{
|
|
IEnumMoniker IEnumMoniker_iface;
|
|
LONG ref;
|
|
IMoniker ** ppMoniker;
|
|
ULONG nMonikerCount;
|
|
ULONG index;
|
|
} EnumMonikerImpl;
|
|
|
|
static const IEnumMonikerVtbl EnumMonikerImpl_Vtbl;
|
|
|
|
static inline EnumMonikerImpl *impl_from_IEnumMoniker(IEnumMoniker *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, EnumMonikerImpl, IEnumMoniker_iface);
|
|
}
|
|
|
|
static ULONG WINAPI EnumMonikerImpl_AddRef(LPENUMMONIKER iface);
|
|
|
|
HRESULT EnumMonikerImpl_Create(IMoniker ** ppMoniker, ULONG nMonikerCount, IEnumMoniker ** ppEnum)
|
|
{
|
|
/* NOTE: assumes that array of IMonikers has already been AddRef'd
|
|
* I.e. this function does not AddRef the array of incoming
|
|
* IMonikers */
|
|
EnumMonikerImpl * pemi = CoTaskMemAlloc(sizeof(EnumMonikerImpl));
|
|
|
|
TRACE("(%p, %d, %p)\n", ppMoniker, nMonikerCount, ppEnum);
|
|
|
|
*ppEnum = NULL;
|
|
|
|
if (!pemi)
|
|
return E_OUTOFMEMORY;
|
|
|
|
pemi->IEnumMoniker_iface.lpVtbl = &EnumMonikerImpl_Vtbl;
|
|
pemi->ref = 1;
|
|
pemi->ppMoniker = CoTaskMemAlloc(nMonikerCount * sizeof(IMoniker*));
|
|
memcpy(pemi->ppMoniker, ppMoniker, nMonikerCount*sizeof(IMoniker*));
|
|
pemi->nMonikerCount = nMonikerCount;
|
|
pemi->index = 0;
|
|
|
|
*ppEnum = &pemi->IEnumMoniker_iface;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* IEnumMoniker_QueryInterface (also IUnknown)
|
|
*/
|
|
static HRESULT WINAPI EnumMonikerImpl_QueryInterface(
|
|
LPENUMMONIKER iface,
|
|
REFIID riid,
|
|
LPVOID *ppvObj)
|
|
{
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
|
|
|
|
if (This == NULL || ppvObj == NULL) return E_POINTER;
|
|
|
|
if (IsEqualGUID(riid, &IID_IUnknown) ||
|
|
IsEqualGUID(riid, &IID_IEnumMoniker))
|
|
{
|
|
*ppvObj = iface;
|
|
EnumMonikerImpl_AddRef(iface);
|
|
return S_OK;
|
|
}
|
|
|
|
*ppvObj = NULL;
|
|
FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* IEnumMoniker_AddRef (also IUnknown)
|
|
*/
|
|
static ULONG WINAPI EnumMonikerImpl_AddRef(LPENUMMONIKER iface)
|
|
{
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
ULONG ref;
|
|
|
|
if (This == NULL) return E_POINTER;
|
|
|
|
ref = InterlockedIncrement(&This->ref);
|
|
|
|
TRACE("(%p)->() AddRef from %d\n", iface, ref - 1);
|
|
|
|
return ref;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* IEnumMoniker_Release (also IUnknown)
|
|
*/
|
|
static ULONG WINAPI EnumMonikerImpl_Release(LPENUMMONIKER iface)
|
|
{
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
ULONG ref = InterlockedDecrement(&This->ref);
|
|
|
|
TRACE("(%p)->() Release from %d\n", iface, ref + 1);
|
|
|
|
if (!ref)
|
|
{
|
|
ULONG i;
|
|
|
|
for (i = 0; i < This->nMonikerCount; i++)
|
|
IMoniker_Release(This->ppMoniker[i]);
|
|
|
|
CoTaskMemFree(This->ppMoniker);
|
|
This->ppMoniker = NULL;
|
|
CoTaskMemFree(This);
|
|
return 0;
|
|
}
|
|
return ref;
|
|
}
|
|
|
|
static HRESULT WINAPI EnumMonikerImpl_Next(LPENUMMONIKER iface, ULONG celt, IMoniker ** rgelt, ULONG * pceltFetched)
|
|
{
|
|
ULONG fetched;
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
|
|
TRACE("(%p)->(%d, %p, %p)\n", iface, celt, rgelt, pceltFetched);
|
|
|
|
for (fetched = 0; (This->index + fetched < This->nMonikerCount) && (fetched < celt); fetched++)
|
|
{
|
|
rgelt[fetched] = This->ppMoniker[This->index + fetched];
|
|
IMoniker_AddRef(rgelt[fetched]);
|
|
}
|
|
|
|
This->index += fetched;
|
|
|
|
TRACE("-- fetched %d\n", fetched);
|
|
|
|
if (pceltFetched)
|
|
*pceltFetched = fetched;
|
|
|
|
if (fetched != celt)
|
|
return S_FALSE;
|
|
else
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI EnumMonikerImpl_Skip(LPENUMMONIKER iface, ULONG celt)
|
|
{
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
|
|
TRACE("(%p)->(%d)\n", iface, celt);
|
|
|
|
This->index += celt;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI EnumMonikerImpl_Reset(LPENUMMONIKER iface)
|
|
{
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
|
|
TRACE("(%p)->()\n", iface);
|
|
|
|
This->index = 0;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI EnumMonikerImpl_Clone(LPENUMMONIKER iface, IEnumMoniker ** ppenum)
|
|
{
|
|
FIXME("(%p)->(%p): stub\n", iface, ppenum);
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* IEnumMoniker_Vtbl
|
|
*/
|
|
static const IEnumMonikerVtbl EnumMonikerImpl_Vtbl =
|
|
{
|
|
EnumMonikerImpl_QueryInterface,
|
|
EnumMonikerImpl_AddRef,
|
|
EnumMonikerImpl_Release,
|
|
EnumMonikerImpl_Next,
|
|
EnumMonikerImpl_Skip,
|
|
EnumMonikerImpl_Reset,
|
|
EnumMonikerImpl_Clone
|
|
};
|