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/*
* OLE2 COM objects
*
* Copyright 1998 Eric Kohl
* Copyright 1999 Francis Beaudet
*
* 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 <stdarg.h>
#include <string.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winerror.h"
#include "wine/debug.h"
#include "ole2.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
#define INITIAL_SINKS 10
/**************************************************************************
* OleAdviseHolderImpl Implementation
*/
typedef struct OleAdviseHolderImpl
{
const IOleAdviseHolderVtbl *lpVtbl;
LONG ref;
DWORD maxSinks;
IAdviseSink** arrayOfSinks;
} OleAdviseHolderImpl;
static HRESULT EnumOleSTATDATA_Construct(OleAdviseHolderImpl *pOleAdviseHolder, ULONG index, IEnumSTATDATA **ppenum);
typedef struct
{
const IEnumSTATDATAVtbl *lpvtbl;
LONG ref;
ULONG index;
OleAdviseHolderImpl *pOleAdviseHolder;
} EnumOleSTATDATA;
static HRESULT WINAPI EnumOleSTATDATA_QueryInterface(
IEnumSTATDATA *iface, REFIID riid, void **ppv)
{
TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IEnumSTATDATA))
{
IUnknown_AddRef(iface);
*ppv = iface;
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG WINAPI EnumOleSTATDATA_AddRef(
IEnumSTATDATA *iface)
{
EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
TRACE("()\n");
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI EnumOleSTATDATA_Release(
IEnumSTATDATA *iface)
{
EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
LONG refs = InterlockedDecrement(&This->ref);
TRACE("()\n");
if (!refs)
{
IOleAdviseHolder_Release((IOleAdviseHolder *)This->pOleAdviseHolder);
HeapFree(GetProcessHeap(), 0, This);
}
return refs;
}
static HRESULT WINAPI EnumOleSTATDATA_Next(
IEnumSTATDATA *iface, ULONG celt, LPSTATDATA rgelt,
ULONG *pceltFetched)
{
EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
HRESULT hr = S_OK;
TRACE("(%ld, %p, %p)\n", celt, rgelt, pceltFetched);
if (pceltFetched)
*pceltFetched = 0;
for (; celt; celt--, rgelt++)
{
while ((This->index < This->pOleAdviseHolder->maxSinks) &&
!This->pOleAdviseHolder->arrayOfSinks[This->index])
{
This->index++;
}
if (This->index >= This->pOleAdviseHolder->maxSinks)
{
hr = S_FALSE;
break;
}
memset(&rgelt->formatetc, 0, sizeof(rgelt->formatetc));
rgelt->advf = 0;
rgelt->pAdvSink = This->pOleAdviseHolder->arrayOfSinks[This->index];
IAdviseSink_AddRef(rgelt->pAdvSink);
rgelt->dwConnection = This->index;
if (pceltFetched)
*pceltFetched++;
This->index++;
}
return hr;
}
static HRESULT WINAPI EnumOleSTATDATA_Skip(
IEnumSTATDATA *iface, ULONG celt)
{
EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
TRACE("(%ld)\n", celt);
for (; celt; celt--)
{
while ((This->index < This->pOleAdviseHolder->maxSinks) &&
!This->pOleAdviseHolder->arrayOfSinks[This->index])
{
This->index++;
}
if (This->index >= This->pOleAdviseHolder->maxSinks)
return S_FALSE;
This->index++;
}
return S_OK;
}
static HRESULT WINAPI EnumOleSTATDATA_Reset(
IEnumSTATDATA *iface)
{
EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
TRACE("()\n");
This->index = 0;
return S_OK;
}
static HRESULT WINAPI EnumOleSTATDATA_Clone(
IEnumSTATDATA *iface,
IEnumSTATDATA **ppenum)
{
EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
return EnumOleSTATDATA_Construct(This->pOleAdviseHolder, This->index, ppenum);
}
static const IEnumSTATDATAVtbl EnumOleSTATDATA_VTable =
{
EnumOleSTATDATA_QueryInterface,
EnumOleSTATDATA_AddRef,
EnumOleSTATDATA_Release,
EnumOleSTATDATA_Next,
EnumOleSTATDATA_Skip,
EnumOleSTATDATA_Reset,
EnumOleSTATDATA_Clone
};
static HRESULT EnumOleSTATDATA_Construct(OleAdviseHolderImpl *pOleAdviseHolder, ULONG index, IEnumSTATDATA **ppenum)
{
EnumOleSTATDATA *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
if (!This)
return E_OUTOFMEMORY;
This->lpvtbl = &EnumOleSTATDATA_VTable;
This->ref = 1;
This->index = index;
This->pOleAdviseHolder = pOleAdviseHolder;
IOleAdviseHolder_AddRef((IOleAdviseHolder *)pOleAdviseHolder);
*ppenum = (IEnumSTATDATA *)&This->lpvtbl;
return S_OK;
}
/**************************************************************************
* OleAdviseHolderImpl_Destructor
*/
static void OleAdviseHolderImpl_Destructor(
OleAdviseHolderImpl* ptrToDestroy)
{
DWORD index;
TRACE("%p\n", ptrToDestroy);
for (index = 0; index < ptrToDestroy->maxSinks; index++)
{
if (ptrToDestroy->arrayOfSinks[index]!=0)
{
IAdviseSink_Release(ptrToDestroy->arrayOfSinks[index]);
ptrToDestroy->arrayOfSinks[index] = NULL;
}
}
HeapFree(GetProcessHeap(),
0,
ptrToDestroy->arrayOfSinks);
HeapFree(GetProcessHeap(),
0,
ptrToDestroy);
}
/**************************************************************************
* OleAdviseHolderImpl_QueryInterface
*/
static HRESULT WINAPI OleAdviseHolderImpl_QueryInterface(
LPOLEADVISEHOLDER iface,
REFIID riid,
LPVOID* ppvObj)
{
OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppvObj);
/*
* Sanity check
*/
if (ppvObj==NULL)
return E_POINTER;
*ppvObj = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
{
/* IUnknown */
*ppvObj = This;
}
else if(IsEqualIID(riid, &IID_IOleAdviseHolder))
{
/* IOleAdviseHolder */
*ppvObj = (IOleAdviseHolder*) This;
}
if(*ppvObj == NULL)
return E_NOINTERFACE;
/*
* A successful QI always increments the reference count.
*/
IUnknown_AddRef((IUnknown*)*ppvObj);
return S_OK;
}
/******************************************************************************
* OleAdviseHolderImpl_AddRef
*/
static ULONG WINAPI OleAdviseHolderImpl_AddRef(
LPOLEADVISEHOLDER iface)
{
OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(ref=%ld)\n", This, ref - 1);
return ref;
}
/******************************************************************************
* OleAdviseHolderImpl_Release
*/
static ULONG WINAPI OleAdviseHolderImpl_Release(
LPOLEADVISEHOLDER iface)
{
OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
ULONG ref;
TRACE("(%p)->(ref=%ld)\n", This, This->ref);
ref = InterlockedDecrement(&This->ref);
if (ref == 0) OleAdviseHolderImpl_Destructor(This);
return ref;
}
/******************************************************************************
* OleAdviseHolderImpl_Advise
*/
static HRESULT WINAPI OleAdviseHolderImpl_Advise(
LPOLEADVISEHOLDER iface,
IAdviseSink* pAdvise,
DWORD* pdwConnection)
{
DWORD index;
OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
TRACE("(%p)->(%p, %p)\n", This, pAdvise, pdwConnection);
/*
* Sanity check
*/
if (pdwConnection==NULL)
return E_POINTER;
*pdwConnection = 0;
/*
* Find a free spot in the array.
*/
for (index = 0; index < This->maxSinks; index++)
{
if (This->arrayOfSinks[index]==NULL)
break;
}
/*
* If the array is full, we need to grow it.
*/
if (index == This->maxSinks)
{
DWORD i;
This->maxSinks+=INITIAL_SINKS;
This->arrayOfSinks = HeapReAlloc(GetProcessHeap(),
0,
This->arrayOfSinks,
This->maxSinks*sizeof(IAdviseSink*));
for (i=index;i < This->maxSinks; i++)
This->arrayOfSinks[i]=0;
}
/*
* Store the new sink
*/
This->arrayOfSinks[index] = pAdvise;
if (This->arrayOfSinks[index]!=NULL)
IAdviseSink_AddRef(This->arrayOfSinks[index]);
/*
* Return the index as the cookie.
* Since 0 is not a valid cookie, we will increment by
* 1 the index in the table.
*/
*pdwConnection = index+1;
return S_OK;
}
/******************************************************************************
* OleAdviseHolderImpl_Unadvise
*/
static HRESULT WINAPI OleAdviseHolderImpl_Unadvise(
LPOLEADVISEHOLDER iface,
DWORD dwConnection)
{
OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
TRACE("(%p)->(%lu)\n", This, dwConnection);
/*
* So we don't return 0 as a cookie, the index was
* incremented by 1 in OleAdviseHolderImpl_Advise
* we have to compensate.
*/
dwConnection--;
/*
* Check for invalid cookies.
*/
if (dwConnection >= This->maxSinks)
return OLE_E_NOCONNECTION;
if (This->arrayOfSinks[dwConnection] == NULL)
return OLE_E_NOCONNECTION;
/*
* Release the sink and mark the spot in the list as free.
*/
IAdviseSink_Release(This->arrayOfSinks[dwConnection]);
This->arrayOfSinks[dwConnection] = NULL;
return S_OK;
}
/******************************************************************************
* OleAdviseHolderImpl_EnumAdvise
*/
static HRESULT WINAPI
OleAdviseHolderImpl_EnumAdvise (LPOLEADVISEHOLDER iface, IEnumSTATDATA **ppenumAdvise)
{
OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
TRACE("(%p)->(%p)\n", This, ppenumAdvise);
*ppenumAdvise = NULL;
return EnumOleSTATDATA_Construct(This, 0, ppenumAdvise);
}
/******************************************************************************
* OleAdviseHolderImpl_SendOnRename
*/
static HRESULT WINAPI
OleAdviseHolderImpl_SendOnRename (LPOLEADVISEHOLDER iface, IMoniker *pmk)
{
IEnumSTATDATA *pEnum;
HRESULT hr;
TRACE("(%p)->(%p)\n", iface, pmk);
hr = IOleAdviseHolder_EnumAdvise(iface, &pEnum);
if (SUCCEEDED(hr))
{
STATDATA statdata;
while (IEnumSTATDATA_Next(pEnum, 1, &statdata, NULL) == S_OK)
{
IAdviseSink_OnRename(statdata.pAdvSink, pmk);
IAdviseSink_Release(statdata.pAdvSink);
}
IEnumSTATDATA_Release(pEnum);
}
return hr;
}
/******************************************************************************
* OleAdviseHolderImpl_SendOnSave
*/
static HRESULT WINAPI
OleAdviseHolderImpl_SendOnSave (LPOLEADVISEHOLDER iface)
{
IEnumSTATDATA *pEnum;
HRESULT hr;
TRACE("(%p)->()\n", iface);
hr = IOleAdviseHolder_EnumAdvise(iface, &pEnum);
if (SUCCEEDED(hr))
{
STATDATA statdata;
while (IEnumSTATDATA_Next(pEnum, 1, &statdata, NULL) == S_OK)
{
IAdviseSink_OnSave(statdata.pAdvSink);
IAdviseSink_Release(statdata.pAdvSink);
}
IEnumSTATDATA_Release(pEnum);
}
return hr;
}
/******************************************************************************
* OleAdviseHolderImpl_SendOnClose
*/
static HRESULT WINAPI
OleAdviseHolderImpl_SendOnClose (LPOLEADVISEHOLDER iface)
{
IEnumSTATDATA *pEnum;
HRESULT hr;
TRACE("(%p)->()\n", iface);
hr = IOleAdviseHolder_EnumAdvise(iface, &pEnum);
if (SUCCEEDED(hr))
{
STATDATA statdata;
while (IEnumSTATDATA_Next(pEnum, 1, &statdata, NULL) == S_OK)
{
IAdviseSink_OnClose(statdata.pAdvSink);
IAdviseSink_Release(statdata.pAdvSink);
}
IEnumSTATDATA_Release(pEnum);
}
return hr;
}
/**************************************************************************
* OleAdviseHolderImpl_VTable
*/
static const IOleAdviseHolderVtbl oahvt =
{
OleAdviseHolderImpl_QueryInterface,
OleAdviseHolderImpl_AddRef,
OleAdviseHolderImpl_Release,
OleAdviseHolderImpl_Advise,
OleAdviseHolderImpl_Unadvise,
OleAdviseHolderImpl_EnumAdvise,
OleAdviseHolderImpl_SendOnRename,
OleAdviseHolderImpl_SendOnSave,
OleAdviseHolderImpl_SendOnClose
};
/**************************************************************************
* OleAdviseHolderImpl_Constructor
*/
static LPOLEADVISEHOLDER OleAdviseHolderImpl_Constructor(void)
{
OleAdviseHolderImpl* lpoah;
DWORD index;
lpoah = HeapAlloc(GetProcessHeap(), 0, sizeof(OleAdviseHolderImpl));
lpoah->lpVtbl = &oahvt;
lpoah->ref = 1;
lpoah->maxSinks = INITIAL_SINKS;
lpoah->arrayOfSinks = HeapAlloc(GetProcessHeap(),
0,
lpoah->maxSinks * sizeof(IAdviseSink*));
for (index = 0; index < lpoah->maxSinks; index++)
lpoah->arrayOfSinks[index]=0;
TRACE("returning %p\n", lpoah);
return (LPOLEADVISEHOLDER)lpoah;
}
/**************************************************************************
* DataAdviseHolder Implementation
*/
typedef struct DataAdviseConnection {
IAdviseSink *sink;
FORMATETC fmat;
DWORD advf;
DWORD remote_connection;
} DataAdviseConnection;
typedef struct DataAdviseHolder
{
const IDataAdviseHolderVtbl *lpVtbl;
LONG ref;
DWORD maxCons;
DataAdviseConnection* Connections;
} DataAdviseHolder;
/* this connection has also has been advised to the delegate data object */
#define WINE_ADVF_REMOTE 0x80000000
/******************************************************************************
* DataAdviseHolder_Destructor
*/
static void DataAdviseHolder_Destructor(DataAdviseHolder* ptrToDestroy)
{
DWORD index;
TRACE("%p\n", ptrToDestroy);
for (index = 0; index < ptrToDestroy->maxCons; index++)
{
if (ptrToDestroy->Connections[index].sink != NULL)
{
IAdviseSink_Release(ptrToDestroy->Connections[index].sink);
ptrToDestroy->Connections[index].sink = NULL;
}
}
HeapFree(GetProcessHeap(), 0, ptrToDestroy->Connections);
HeapFree(GetProcessHeap(), 0, ptrToDestroy);
}
/************************************************************************
* DataAdviseHolder_QueryInterface (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
static HRESULT WINAPI DataAdviseHolder_QueryInterface(
IDataAdviseHolder* iface,
REFIID riid,
void** ppvObject)
{
DataAdviseHolder *This = (DataAdviseHolder *)iface;
TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppvObject);
/*
* Perform a sanity check on the parameters.
*/
if ( (This==0) || (ppvObject==0) )
return E_INVALIDARG;
/*
* Initialize the return parameter.
*/
*ppvObject = 0;
/*
* Compare the riid with the interface IDs implemented by this object.
*/
if ( (memcmp(&IID_IUnknown, riid, sizeof(IID_IUnknown)) == 0) ||
(memcmp(&IID_IDataAdviseHolder, riid, sizeof(IID_IDataAdviseHolder)) == 0) )
{
*ppvObject = iface;
}
/*
* Check that we obtained an interface.
*/
if ((*ppvObject)==0)
{
return E_NOINTERFACE;
}
/*
* Query Interface always increases the reference count by one when it is
* successful.
*/
IUnknown_AddRef((IUnknown*)*ppvObject);
return S_OK;
}
/************************************************************************
* DataAdviseHolder_AddRef (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
static ULONG WINAPI DataAdviseHolder_AddRef(
IDataAdviseHolder* iface)
{
DataAdviseHolder *This = (DataAdviseHolder *)iface;
TRACE("(%p) (ref=%ld)\n", This, This->ref);
return InterlockedIncrement(&This->ref);
}
/************************************************************************
* DataAdviseHolder_Release (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
static ULONG WINAPI DataAdviseHolder_Release(
IDataAdviseHolder* iface)
{
DataAdviseHolder *This = (DataAdviseHolder *)iface;
ULONG ref;
TRACE("(%p) (ref=%ld)\n", This, This->ref);
/*
* Decrease the reference count on this object.
*/
ref = InterlockedDecrement(&This->ref);
/*
* If the reference count goes down to 0, perform suicide.
*/
if (ref==0) DataAdviseHolder_Destructor(This);
return ref;
}
/************************************************************************
* DataAdviseHolder_Advise
*
*/
static HRESULT WINAPI DataAdviseHolder_Advise(
IDataAdviseHolder* iface,
IDataObject* pDataObject,
FORMATETC* pFetc,
DWORD advf,
IAdviseSink* pAdvise,
DWORD* pdwConnection)
{
DWORD index;
DataAdviseHolder *This = (DataAdviseHolder *)iface;
TRACE("(%p)->(%p, %p, %08lx, %p, %p)\n", This, pDataObject, pFetc, advf,
pAdvise, pdwConnection);
/*
* Sanity check
*/
if (pdwConnection==NULL)
return E_POINTER;
*pdwConnection = 0;
/*
* Find a free spot in the array.
*/
for (index = 0; index < This->maxCons; index++)
{
if (This->Connections[index].sink == NULL)
break;
}
/*
* If the array is full, we need to grow it.
*/
if (index == This->maxCons)
{
This->maxCons+=INITIAL_SINKS;
This->Connections = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
This->Connections,
This->maxCons*sizeof(DataAdviseConnection));
}
/*
* Store the new sink
*/
This->Connections[index].sink = pAdvise;
memcpy(&(This->Connections[index].fmat), pFetc, sizeof(FORMATETC));
This->Connections[index].advf = advf & ~WINE_ADVF_REMOTE;
if (This->Connections[index].sink != NULL) {
IAdviseSink_AddRef(This->Connections[index].sink);
if(advf & ADVF_PRIMEFIRST) {
IDataAdviseHolder_SendOnDataChange(iface, pDataObject, 0, advf);
}
}
/*
* Return the index as the cookie.
* Since 0 is not a valid cookie, we will increment by
* 1 the index in the table.
*/
*pdwConnection = index+1;
return S_OK;
}
/******************************************************************************
* DataAdviseHolder_Unadvise
*/
static HRESULT WINAPI DataAdviseHolder_Unadvise(
IDataAdviseHolder* iface,
DWORD dwConnection)
{
DataAdviseHolder *This = (DataAdviseHolder *)iface;
TRACE("(%p)->(%lu)\n", This, dwConnection);
/*
* So we don't return 0 as a cookie, the index was
* incremented by 1 in OleAdviseHolderImpl_Advise
* we have to compensate.
*/
dwConnection--;
/*
* Check for invalid cookies.
*/
if (dwConnection >= This->maxCons)
return OLE_E_NOCONNECTION;
if (This->Connections[dwConnection].sink == NULL)
return OLE_E_NOCONNECTION;
/*
* Release the sink and mark the spot in the list as free.
*/
IAdviseSink_Release(This->Connections[dwConnection].sink);
memset(&(This->Connections[dwConnection]), 0, sizeof(DataAdviseConnection));
return S_OK;
}
static HRESULT WINAPI DataAdviseHolder_EnumAdvise(
IDataAdviseHolder* iface,
IEnumSTATDATA** ppenumAdvise)
{
DataAdviseHolder *This = (DataAdviseHolder *)iface;
FIXME("(%p)->(%p)\n", This, ppenumAdvise);
return E_NOTIMPL;
}
/******************************************************************************
* DataAdviseHolder_SendOnDataChange
*/
static HRESULT WINAPI DataAdviseHolder_SendOnDataChange(
IDataAdviseHolder* iface,
IDataObject* pDataObject,
DWORD dwReserved,
DWORD advf)
{
DataAdviseHolder *This = (DataAdviseHolder *)iface;
DWORD index;
STGMEDIUM stg;
HRESULT res;
TRACE("(%p)->(%p,%08lx,%08lx)\n", This, pDataObject, dwReserved, advf);
for(index = 0; index < This->maxCons; index++) {
if(This->Connections[index].sink != NULL) {
if(!(This->Connections[index].advf & ADVF_NODATA)) {
TRACE("Calling IDataObject_GetData\n");
res = IDataObject_GetData(pDataObject,
&(This->Connections[index].fmat),
&stg);
TRACE("returns %08lx\n", res);
}
TRACE("Calling IAdviseSink_OnDataChange\n");
IAdviseSink_OnDataChange(This->Connections[index].sink,
&(This->Connections[index].fmat),
&stg);
TRACE("Done IAdviseSink_OnDataChange\n");
if(This->Connections[index].advf & ADVF_ONLYONCE) {
TRACE("Removing connection\n");
DataAdviseHolder_Unadvise(iface, index+1);
}
}
}
return S_OK;
}
/**************************************************************************
* DataAdviseHolderImpl_VTable
*/
static const IDataAdviseHolderVtbl DataAdviseHolderImpl_VTable =
{
DataAdviseHolder_QueryInterface,
DataAdviseHolder_AddRef,
DataAdviseHolder_Release,
DataAdviseHolder_Advise,
DataAdviseHolder_Unadvise,
DataAdviseHolder_EnumAdvise,
DataAdviseHolder_SendOnDataChange
};
HRESULT DataAdviseHolder_OnConnect(IDataAdviseHolder *iface, IDataObject *pDelegate)
{
DataAdviseHolder *This = (DataAdviseHolder *)iface;
DWORD index;
HRESULT hr = S_OK;
for(index = 0; index < This->maxCons; index++)
{
if(This->Connections[index].sink != NULL)
{
hr = IDataObject_DAdvise(pDelegate, &This->Connections[index].fmat,
This->Connections[index].advf,
This->Connections[index].sink,
&This->Connections[index].remote_connection);
if (FAILED(hr)) break;
This->Connections[index].advf |= WINE_ADVF_REMOTE;
}
}
/* FIXME: store pDelegate somewhere */
return hr;
}
void DataAdviseHolder_OnDisconnect(IDataAdviseHolder *iface)
{
/* FIXME: Unadvise all remote interfaces */
}
/******************************************************************************
* DataAdviseHolder_Constructor
*/
static IDataAdviseHolder* DataAdviseHolder_Constructor(void)
{
DataAdviseHolder* newHolder;
newHolder = HeapAlloc(GetProcessHeap(), 0, sizeof(DataAdviseHolder));
newHolder->lpVtbl = &DataAdviseHolderImpl_VTable;
newHolder->ref = 1;
newHolder->maxCons = INITIAL_SINKS;
newHolder->Connections = HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
newHolder->maxCons *
sizeof(DataAdviseConnection));
TRACE("returning %p\n", newHolder);
return (IDataAdviseHolder*)newHolder;
}
/***********************************************************************
* API functions
*/
/***********************************************************************
* CreateOleAdviseHolder [OLE32.@]
*/
HRESULT WINAPI CreateOleAdviseHolder(
LPOLEADVISEHOLDER *ppOAHolder)
{
TRACE("(%p)\n", ppOAHolder);
/*
* Sanity check,
*/
if (ppOAHolder==NULL)
return E_POINTER;
*ppOAHolder = OleAdviseHolderImpl_Constructor ();
if (*ppOAHolder != NULL)
return S_OK;
return E_OUTOFMEMORY;
}
/******************************************************************************
* CreateDataAdviseHolder [OLE32.@]
*/
HRESULT WINAPI CreateDataAdviseHolder(
LPDATAADVISEHOLDER* ppDAHolder)
{
TRACE("(%p)\n", ppDAHolder);
/*
* Sanity check,
*/
if (ppDAHolder==NULL)
return E_POINTER;
*ppDAHolder = DataAdviseHolder_Constructor();
if (*ppDAHolder != NULL)
return S_OK;
return E_OUTOFMEMORY;
}
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