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988 lines
25 KiB
C
988 lines
25 KiB
C
/*
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* OLE2 COM objects
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*
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* Copyright 1998 Eric Kohl
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* Copyright 1999 Francis Beaudet
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <string.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "wine/debug.h"
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#include "ole2.h"
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#include "compobj_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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#define INITIAL_SINKS 10
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/**************************************************************************
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* OleAdviseHolderImpl Implementation
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*/
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typedef struct OleAdviseHolderImpl
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{
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const IOleAdviseHolderVtbl *lpVtbl;
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LONG ref;
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DWORD maxSinks;
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IAdviseSink** arrayOfSinks;
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} OleAdviseHolderImpl;
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static HRESULT EnumOleSTATDATA_Construct(OleAdviseHolderImpl *pOleAdviseHolder, ULONG index, IEnumSTATDATA **ppenum);
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typedef struct
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{
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const IEnumSTATDATAVtbl *lpvtbl;
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LONG ref;
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ULONG index;
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OleAdviseHolderImpl *pOleAdviseHolder;
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} EnumOleSTATDATA;
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static HRESULT WINAPI EnumOleSTATDATA_QueryInterface(
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IEnumSTATDATA *iface, REFIID riid, void **ppv)
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{
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TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
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if (IsEqualIID(riid, &IID_IUnknown) ||
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IsEqualIID(riid, &IID_IEnumSTATDATA))
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{
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IUnknown_AddRef(iface);
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*ppv = iface;
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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static ULONG WINAPI EnumOleSTATDATA_AddRef(
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IEnumSTATDATA *iface)
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{
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EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
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TRACE("()\n");
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return InterlockedIncrement(&This->ref);
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}
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static ULONG WINAPI EnumOleSTATDATA_Release(
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IEnumSTATDATA *iface)
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{
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EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
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LONG refs = InterlockedDecrement(&This->ref);
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TRACE("()\n");
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if (!refs)
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{
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IOleAdviseHolder_Release((IOleAdviseHolder *)This->pOleAdviseHolder);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return refs;
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}
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static HRESULT WINAPI EnumOleSTATDATA_Next(
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IEnumSTATDATA *iface, ULONG celt, LPSTATDATA rgelt,
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ULONG *pceltFetched)
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{
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EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
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HRESULT hr = S_OK;
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TRACE("(%d, %p, %p)\n", celt, rgelt, pceltFetched);
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if (pceltFetched)
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*pceltFetched = 0;
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for (; celt; celt--, rgelt++)
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{
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while ((This->index < This->pOleAdviseHolder->maxSinks) &&
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!This->pOleAdviseHolder->arrayOfSinks[This->index])
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{
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This->index++;
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}
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if (This->index >= This->pOleAdviseHolder->maxSinks)
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{
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hr = S_FALSE;
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break;
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}
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memset(&rgelt->formatetc, 0, sizeof(rgelt->formatetc));
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rgelt->advf = 0;
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rgelt->pAdvSink = This->pOleAdviseHolder->arrayOfSinks[This->index];
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IAdviseSink_AddRef(rgelt->pAdvSink);
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rgelt->dwConnection = This->index;
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if (pceltFetched)
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(*pceltFetched)++;
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This->index++;
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}
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return hr;
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}
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static HRESULT WINAPI EnumOleSTATDATA_Skip(
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IEnumSTATDATA *iface, ULONG celt)
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{
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EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
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TRACE("(%d)\n", celt);
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for (; celt; celt--)
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{
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while ((This->index < This->pOleAdviseHolder->maxSinks) &&
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!This->pOleAdviseHolder->arrayOfSinks[This->index])
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{
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This->index++;
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}
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if (This->index >= This->pOleAdviseHolder->maxSinks)
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return S_FALSE;
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This->index++;
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}
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return S_OK;
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}
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static HRESULT WINAPI EnumOleSTATDATA_Reset(
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IEnumSTATDATA *iface)
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{
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EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
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TRACE("()\n");
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This->index = 0;
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return S_OK;
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}
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static HRESULT WINAPI EnumOleSTATDATA_Clone(
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IEnumSTATDATA *iface,
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IEnumSTATDATA **ppenum)
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{
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EnumOleSTATDATA *This = (EnumOleSTATDATA *)iface;
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return EnumOleSTATDATA_Construct(This->pOleAdviseHolder, This->index, ppenum);
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}
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static const IEnumSTATDATAVtbl EnumOleSTATDATA_VTable =
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{
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EnumOleSTATDATA_QueryInterface,
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EnumOleSTATDATA_AddRef,
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EnumOleSTATDATA_Release,
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EnumOleSTATDATA_Next,
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EnumOleSTATDATA_Skip,
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EnumOleSTATDATA_Reset,
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EnumOleSTATDATA_Clone
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};
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static HRESULT EnumOleSTATDATA_Construct(OleAdviseHolderImpl *pOleAdviseHolder, ULONG index, IEnumSTATDATA **ppenum)
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{
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EnumOleSTATDATA *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
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if (!This)
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return E_OUTOFMEMORY;
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This->lpvtbl = &EnumOleSTATDATA_VTable;
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This->ref = 1;
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This->index = index;
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This->pOleAdviseHolder = pOleAdviseHolder;
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IOleAdviseHolder_AddRef((IOleAdviseHolder *)pOleAdviseHolder);
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*ppenum = (IEnumSTATDATA *)&This->lpvtbl;
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return S_OK;
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}
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/**************************************************************************
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* OleAdviseHolderImpl_Destructor
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*/
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static void OleAdviseHolderImpl_Destructor(
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OleAdviseHolderImpl* ptrToDestroy)
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{
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DWORD index;
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TRACE("%p\n", ptrToDestroy);
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for (index = 0; index < ptrToDestroy->maxSinks; index++)
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{
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if (ptrToDestroy->arrayOfSinks[index]!=0)
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{
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IAdviseSink_Release(ptrToDestroy->arrayOfSinks[index]);
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ptrToDestroy->arrayOfSinks[index] = NULL;
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}
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}
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HeapFree(GetProcessHeap(),
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0,
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ptrToDestroy->arrayOfSinks);
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HeapFree(GetProcessHeap(),
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0,
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ptrToDestroy);
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}
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/**************************************************************************
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* OleAdviseHolderImpl_QueryInterface
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*/
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static HRESULT WINAPI OleAdviseHolderImpl_QueryInterface(
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LPOLEADVISEHOLDER iface,
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REFIID riid,
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LPVOID* ppvObj)
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{
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OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
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TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppvObj);
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/*
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* Sanity check
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*/
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if (ppvObj==NULL)
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return E_POINTER;
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*ppvObj = NULL;
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if (IsEqualIID(riid, &IID_IUnknown))
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{
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/* IUnknown */
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*ppvObj = This;
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}
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else if(IsEqualIID(riid, &IID_IOleAdviseHolder))
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{
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/* IOleAdviseHolder */
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*ppvObj = This;
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}
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if(*ppvObj == NULL)
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return E_NOINTERFACE;
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/*
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* A successful QI always increments the reference count.
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*/
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IUnknown_AddRef((IUnknown*)*ppvObj);
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return S_OK;
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}
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/******************************************************************************
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* OleAdviseHolderImpl_AddRef
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*/
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static ULONG WINAPI OleAdviseHolderImpl_AddRef(
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LPOLEADVISEHOLDER iface)
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{
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OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(ref=%d)\n", This, ref - 1);
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return ref;
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}
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/******************************************************************************
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* OleAdviseHolderImpl_Release
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*/
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static ULONG WINAPI OleAdviseHolderImpl_Release(
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LPOLEADVISEHOLDER iface)
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{
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OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
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ULONG ref;
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TRACE("(%p)->(ref=%d)\n", This, This->ref);
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ref = InterlockedDecrement(&This->ref);
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if (ref == 0) OleAdviseHolderImpl_Destructor(This);
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return ref;
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}
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/******************************************************************************
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* OleAdviseHolderImpl_Advise
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*/
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static HRESULT WINAPI OleAdviseHolderImpl_Advise(
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LPOLEADVISEHOLDER iface,
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IAdviseSink* pAdvise,
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DWORD* pdwConnection)
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{
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DWORD index;
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OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
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TRACE("(%p)->(%p, %p)\n", This, pAdvise, pdwConnection);
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/*
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* Sanity check
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*/
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if (pdwConnection==NULL)
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return E_POINTER;
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*pdwConnection = 0;
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/*
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* Find a free spot in the array.
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*/
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for (index = 0; index < This->maxSinks; index++)
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{
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if (This->arrayOfSinks[index]==NULL)
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break;
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}
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/*
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* If the array is full, we need to grow it.
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*/
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if (index == This->maxSinks)
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{
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DWORD i;
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This->maxSinks+=INITIAL_SINKS;
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This->arrayOfSinks = HeapReAlloc(GetProcessHeap(),
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0,
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This->arrayOfSinks,
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This->maxSinks*sizeof(IAdviseSink*));
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for (i=index;i < This->maxSinks; i++)
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This->arrayOfSinks[i]=0;
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}
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/*
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* Store the new sink
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*/
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This->arrayOfSinks[index] = pAdvise;
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if (This->arrayOfSinks[index]!=NULL)
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IAdviseSink_AddRef(This->arrayOfSinks[index]);
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/*
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* Return the index as the cookie.
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* Since 0 is not a valid cookie, we will increment by
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* 1 the index in the table.
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*/
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*pdwConnection = index+1;
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return S_OK;
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}
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/******************************************************************************
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* OleAdviseHolderImpl_Unadvise
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*/
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static HRESULT WINAPI OleAdviseHolderImpl_Unadvise(
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LPOLEADVISEHOLDER iface,
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DWORD dwConnection)
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{
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OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
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TRACE("(%p)->(%u)\n", This, dwConnection);
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/*
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* So we don't return 0 as a cookie, the index was
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* incremented by 1 in OleAdviseHolderImpl_Advise
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* we have to compensate.
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*/
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dwConnection--;
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/*
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* Check for invalid cookies.
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*/
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if (dwConnection >= This->maxSinks)
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return OLE_E_NOCONNECTION;
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if (This->arrayOfSinks[dwConnection] == NULL)
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return OLE_E_NOCONNECTION;
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/*
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* Release the sink and mark the spot in the list as free.
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*/
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IAdviseSink_Release(This->arrayOfSinks[dwConnection]);
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This->arrayOfSinks[dwConnection] = NULL;
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return S_OK;
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}
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/******************************************************************************
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* OleAdviseHolderImpl_EnumAdvise
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*/
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static HRESULT WINAPI
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OleAdviseHolderImpl_EnumAdvise (LPOLEADVISEHOLDER iface, IEnumSTATDATA **ppenumAdvise)
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{
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OleAdviseHolderImpl *This = (OleAdviseHolderImpl *)iface;
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TRACE("(%p)->(%p)\n", This, ppenumAdvise);
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*ppenumAdvise = NULL;
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return EnumOleSTATDATA_Construct(This, 0, ppenumAdvise);
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}
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/******************************************************************************
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* OleAdviseHolderImpl_SendOnRename
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*/
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static HRESULT WINAPI
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OleAdviseHolderImpl_SendOnRename (LPOLEADVISEHOLDER iface, IMoniker *pmk)
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{
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IEnumSTATDATA *pEnum;
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HRESULT hr;
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TRACE("(%p)->(%p)\n", iface, pmk);
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hr = IOleAdviseHolder_EnumAdvise(iface, &pEnum);
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if (SUCCEEDED(hr))
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{
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STATDATA statdata;
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while (IEnumSTATDATA_Next(pEnum, 1, &statdata, NULL) == S_OK)
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{
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IAdviseSink_OnRename(statdata.pAdvSink, pmk);
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IAdviseSink_Release(statdata.pAdvSink);
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}
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IEnumSTATDATA_Release(pEnum);
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}
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return hr;
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}
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/******************************************************************************
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* OleAdviseHolderImpl_SendOnSave
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*/
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static HRESULT WINAPI
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OleAdviseHolderImpl_SendOnSave (LPOLEADVISEHOLDER iface)
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{
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IEnumSTATDATA *pEnum;
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HRESULT hr;
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TRACE("(%p)->()\n", iface);
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hr = IOleAdviseHolder_EnumAdvise(iface, &pEnum);
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if (SUCCEEDED(hr))
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{
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STATDATA statdata;
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while (IEnumSTATDATA_Next(pEnum, 1, &statdata, NULL) == S_OK)
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{
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IAdviseSink_OnSave(statdata.pAdvSink);
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IAdviseSink_Release(statdata.pAdvSink);
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}
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IEnumSTATDATA_Release(pEnum);
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}
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return hr;
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}
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/******************************************************************************
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* OleAdviseHolderImpl_SendOnClose
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*/
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static HRESULT WINAPI
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OleAdviseHolderImpl_SendOnClose (LPOLEADVISEHOLDER iface)
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{
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IEnumSTATDATA *pEnum;
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HRESULT hr;
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TRACE("(%p)->()\n", iface);
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hr = IOleAdviseHolder_EnumAdvise(iface, &pEnum);
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if (SUCCEEDED(hr))
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{
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STATDATA statdata;
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while (IEnumSTATDATA_Next(pEnum, 1, &statdata, NULL) == S_OK)
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{
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IAdviseSink_OnClose(statdata.pAdvSink);
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IAdviseSink_Release(statdata.pAdvSink);
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}
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IEnumSTATDATA_Release(pEnum);
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}
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return hr;
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}
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/**************************************************************************
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* OleAdviseHolderImpl_VTable
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*/
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static const IOleAdviseHolderVtbl oahvt =
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{
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OleAdviseHolderImpl_QueryInterface,
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OleAdviseHolderImpl_AddRef,
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OleAdviseHolderImpl_Release,
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OleAdviseHolderImpl_Advise,
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OleAdviseHolderImpl_Unadvise,
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OleAdviseHolderImpl_EnumAdvise,
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OleAdviseHolderImpl_SendOnRename,
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OleAdviseHolderImpl_SendOnSave,
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OleAdviseHolderImpl_SendOnClose
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};
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/**************************************************************************
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* OleAdviseHolderImpl_Constructor
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*/
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static LPOLEADVISEHOLDER OleAdviseHolderImpl_Constructor(void)
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{
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OleAdviseHolderImpl* lpoah;
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DWORD index;
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lpoah = HeapAlloc(GetProcessHeap(), 0, sizeof(OleAdviseHolderImpl));
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lpoah->lpVtbl = &oahvt;
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lpoah->ref = 1;
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lpoah->maxSinks = INITIAL_SINKS;
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lpoah->arrayOfSinks = HeapAlloc(GetProcessHeap(),
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0,
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lpoah->maxSinks * sizeof(IAdviseSink*));
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for (index = 0; index < lpoah->maxSinks; index++)
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lpoah->arrayOfSinks[index]=0;
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TRACE("returning %p\n", lpoah);
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return (LPOLEADVISEHOLDER)lpoah;
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}
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/**************************************************************************
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* DataAdviseHolder Implementation
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*/
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typedef struct DataAdviseConnection {
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IAdviseSink *sink;
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FORMATETC fmat;
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DWORD advf;
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DWORD remote_connection;
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} DataAdviseConnection;
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typedef struct DataAdviseHolder
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{
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const IDataAdviseHolderVtbl *lpVtbl;
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LONG ref;
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DWORD maxCons;
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DataAdviseConnection* Connections;
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IDataObject* delegate;
|
|
} 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)
|
|
{
|
|
if (ptrToDestroy->delegate &&
|
|
(ptrToDestroy->Connections[index].advf & WINE_ADVF_REMOTE))
|
|
IDataObject_DUnadvise(ptrToDestroy->delegate,
|
|
ptrToDestroy->Connections[index].remote_connection);
|
|
|
|
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=%d)\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=%d)\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, %08x, %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;
|
|
This->Connections[index].advf = advf & ~WINE_ADVF_REMOTE;
|
|
This->Connections[index].fmat = *pFetc;
|
|
if (pFetc->ptd)
|
|
{
|
|
This->Connections[index].fmat.ptd = CoTaskMemAlloc(pFetc->ptd->tdSize);
|
|
if (!This->Connections[index].fmat.ptd)
|
|
{
|
|
IDataAdviseHolder_Unadvise(iface, index + 1);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
memcpy(This->Connections[index].fmat.ptd, pFetc->ptd, pFetc->ptd->tdSize);
|
|
}
|
|
|
|
if (This->Connections[index].sink != NULL) {
|
|
IAdviseSink_AddRef(This->Connections[index].sink);
|
|
|
|
/* if we are already connected advise the remote object */
|
|
if (This->delegate)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = IDataObject_DAdvise(This->delegate, &This->Connections[index].fmat,
|
|
This->Connections[index].advf,
|
|
This->Connections[index].sink,
|
|
&This->Connections[index].remote_connection);
|
|
if (FAILED(hr))
|
|
{
|
|
IDataAdviseHolder_Unadvise(iface, index + 1);
|
|
return hr;
|
|
}
|
|
This->Connections[index].advf |= WINE_ADVF_REMOTE;
|
|
}
|
|
else if(advf & ADVF_PRIMEFIRST)
|
|
/* only do this if we have no delegate, since in the above case the
|
|
* delegate will do the priming for us */
|
|
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)->(%u)\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;
|
|
|
|
if (This->delegate && This->Connections[dwConnection].advf & WINE_ADVF_REMOTE)
|
|
IDataObject_DUnadvise(This->delegate,
|
|
This->Connections[dwConnection].remote_connection);
|
|
|
|
/*
|
|
* 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,%08x,%08x)\n", This, pDataObject, dwReserved, advf);
|
|
|
|
for(index = 0; index < This->maxCons; index++) {
|
|
if(This->Connections[index].sink != NULL) {
|
|
memset(&stg, 0, sizeof(stg));
|
|
if(!(This->Connections[index].advf & ADVF_NODATA)) {
|
|
TRACE("Calling IDataObject_GetData\n");
|
|
res = IDataObject_GetData(pDataObject,
|
|
&(This->Connections[index].fmat),
|
|
&stg);
|
|
TRACE("returns %08x\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;
|
|
}
|
|
}
|
|
This->delegate = pDelegate;
|
|
return hr;
|
|
}
|
|
|
|
void DataAdviseHolder_OnDisconnect(IDataAdviseHolder *iface)
|
|
{
|
|
DataAdviseHolder *This = (DataAdviseHolder *)iface;
|
|
DWORD index;
|
|
|
|
for(index = 0; index < This->maxCons; index++)
|
|
{
|
|
if((This->Connections[index].sink != NULL) &&
|
|
(This->Connections[index].advf & WINE_ADVF_REMOTE))
|
|
{
|
|
IDataObject_DUnadvise(This->delegate,
|
|
This->Connections[index].remote_connection);
|
|
This->Connections[index].advf &= ~WINE_ADVF_REMOTE;
|
|
}
|
|
}
|
|
This->delegate = NULL;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* 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));
|
|
newHolder->delegate = NULL;
|
|
|
|
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;
|
|
}
|