reactos/dll/win32/windowscodecs/propertybag.c

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/*
* Copyright 2009 Vincent Povirk for CodeWeavers
*
* 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
*/
#include "config.h"
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wincodec.h"
#include "wincodecs_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
typedef struct PropertyBag {
const IPropertyBag2Vtbl *lpVtbl;
LONG ref;
} PropertyBag;
static HRESULT WINAPI PropertyBag_QueryInterface(IPropertyBag2 *iface, REFIID iid,
void **ppv)
{
PropertyBag *This = (PropertyBag*)iface;
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IPropertyBag2, iid))
{
*ppv = This;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI PropertyBag_AddRef(IPropertyBag2 *iface)
{
PropertyBag *This = (PropertyBag*)iface;
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI PropertyBag_Release(IPropertyBag2 *iface)
{
PropertyBag *This = (PropertyBag*)iface;
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
{
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI PropertyBag_Read(IPropertyBag2 *iface, ULONG cProperties,
PROPBAG2 *pPropBag, IErrorLog *pErrLog, VARIANT *pvarValue, HRESULT *phrError)
{
FIXME("(%p,%u,%p,%p,%p,%p): stub\n", iface, cProperties, pPropBag, pErrLog, pvarValue, phrError);
return E_NOTIMPL;
}
static HRESULT WINAPI PropertyBag_Write(IPropertyBag2 *iface, ULONG cProperties,
PROPBAG2 *pPropBag, VARIANT *pvarValue)
{
FIXME("(%p,%u,%p,%p): stub\n", iface, cProperties, pPropBag, pvarValue);
return E_NOTIMPL;
}
static HRESULT WINAPI PropertyBag_CountProperties(IPropertyBag2 *iface, ULONG *pcProperties)
{
FIXME("(%p,%p): stub\n", iface, pcProperties);
return E_NOTIMPL;
}
static HRESULT WINAPI PropertyBag_GetPropertyInfo(IPropertyBag2 *iface, ULONG iProperty,
ULONG cProperties, PROPBAG2 *pPropBag, ULONG *pcProperties)
{
FIXME("(%p,%u,%u,%p,%p): stub\n", iface, iProperty, cProperties, pPropBag, pcProperties);
return E_NOTIMPL;
}
static HRESULT WINAPI PropertyBag_LoadObject(IPropertyBag2 *iface, LPCOLESTR pstrName,
DWORD dwHint, IUnknown *pUnkObject, IErrorLog *pErrLog)
{
FIXME("(%p,%s,%u,%p,%p): stub\n", iface, debugstr_w(pstrName), dwHint, pUnkObject, pErrLog);
return E_NOTIMPL;
}
static const IPropertyBag2Vtbl PropertyBag_Vtbl = {
PropertyBag_QueryInterface,
PropertyBag_AddRef,
PropertyBag_Release,
PropertyBag_Read,
PropertyBag_Write,
PropertyBag_CountProperties,
PropertyBag_GetPropertyInfo,
PropertyBag_LoadObject
};
extern HRESULT CreatePropertyBag2(IPropertyBag2 **ppPropertyBag2)
{
PropertyBag *This;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(PropertyBag));
if (!This) return E_OUTOFMEMORY;
This->lpVtbl = &PropertyBag_Vtbl;
This->ref = 1;
*ppPropertyBag2 = (IPropertyBag2*)This;
return S_OK;
}