748 lines
19 KiB
C
748 lines
19 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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#include <string.h>
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#include "winbase.h"
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#include "winerror.h"
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#include "oleidl.h"
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#include "debugtools.h"
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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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ICOM_VFIELD(IOleAdviseHolder);
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DWORD ref;
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DWORD maxSinks;
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IAdviseSink** arrayOfSinks;
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} OleAdviseHolderImpl;
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static LPOLEADVISEHOLDER OleAdviseHolderImpl_Constructor();
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static void OleAdviseHolderImpl_Destructor(OleAdviseHolderImpl* ptrToDestroy);
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static HRESULT WINAPI OleAdviseHolderImpl_QueryInterface(LPOLEADVISEHOLDER,REFIID,LPVOID*);
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static ULONG WINAPI OleAdviseHolderImpl_AddRef(LPOLEADVISEHOLDER);
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static ULONG WINAPI OleAdviseHolderImpl_Release(LPOLEADVISEHOLDER);
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static HRESULT WINAPI OleAdviseHolderImpl_Advise(LPOLEADVISEHOLDER, IAdviseSink*, DWORD*);
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static HRESULT WINAPI OleAdviseHolderImpl_Unadvise (LPOLEADVISEHOLDER, DWORD);
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static HRESULT WINAPI OleAdviseHolderImpl_EnumAdvise (LPOLEADVISEHOLDER, IEnumSTATDATA **);
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static HRESULT WINAPI OleAdviseHolderImpl_SendOnRename (LPOLEADVISEHOLDER, IMoniker *);
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static HRESULT WINAPI OleAdviseHolderImpl_SendOnSave (LPOLEADVISEHOLDER);
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static HRESULT WINAPI OleAdviseHolderImpl_SendOnClose (LPOLEADVISEHOLDER);
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/**************************************************************************
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* OleAdviseHolderImpl_VTable
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*/
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static struct ICOM_VTABLE(IOleAdviseHolder) oahvt =
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{
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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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()
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{
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OleAdviseHolderImpl* lpoah;
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DWORD index;
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lpoah= (OleAdviseHolderImpl*)HeapAlloc(GetProcessHeap(),
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0,
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sizeof(OleAdviseHolderImpl));
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ICOM_VTBL(lpoah) = &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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* 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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ICOM_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 = (IOleAdviseHolder*) 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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ICOM_THIS(OleAdviseHolderImpl, iface);
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TRACE("(%p)->(ref=%ld)\n", This, This->ref);
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return ++(This->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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ICOM_THIS(OleAdviseHolderImpl, iface);
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TRACE("(%p)->(ref=%ld)\n", This, This->ref);
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This->ref--;
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if (This->ref == 0)
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{
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OleAdviseHolderImpl_Destructor(This);
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return 0;
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}
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return This->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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ICOM_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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ICOM_THIS(OleAdviseHolderImpl, iface);
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TRACE("(%p)->(%lu)\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 < 0) ||
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(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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ICOM_THIS(OleAdviseHolderImpl, iface);
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FIXME("(%p)->(%p)\n", This, ppenumAdvise);
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*ppenumAdvise = NULL;
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return S_OK;
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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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ICOM_THIS(OleAdviseHolderImpl, iface);
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FIXME("(%p)->(%p)\n", This, pmk);
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return S_OK;
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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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ICOM_THIS(OleAdviseHolderImpl, iface);
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FIXME("(%p)\n", This);
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return S_OK;
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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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ICOM_THIS(OleAdviseHolderImpl, iface);
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FIXME("(%p)\n", This);
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return S_OK;
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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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} DataAdviseConnection;
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typedef struct DataAdviseHolder
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{
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ICOM_VFIELD(IDataAdviseHolder);
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DWORD ref;
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DWORD maxCons;
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DataAdviseConnection* Connections;
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} DataAdviseHolder;
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/**************************************************************************
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* DataAdviseHolder method prototypes
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*/
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static IDataAdviseHolder* DataAdviseHolder_Constructor();
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static void DataAdviseHolder_Destructor(DataAdviseHolder* ptrToDestroy);
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static HRESULT WINAPI DataAdviseHolder_QueryInterface(
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IDataAdviseHolder* iface,
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REFIID riid,
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void** ppvObject);
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static ULONG WINAPI DataAdviseHolder_AddRef(
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IDataAdviseHolder* iface);
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static ULONG WINAPI DataAdviseHolder_Release(
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IDataAdviseHolder* iface);
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static HRESULT WINAPI DataAdviseHolder_Advise(
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IDataAdviseHolder* iface,
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IDataObject* pDataObject,
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FORMATETC* pFetc,
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DWORD advf,
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IAdviseSink* pAdvise,
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DWORD* pdwConnection);
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static HRESULT WINAPI DataAdviseHolder_Unadvise(
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IDataAdviseHolder* iface,
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DWORD dwConnection);
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static HRESULT WINAPI DataAdviseHolder_EnumAdvise(
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IDataAdviseHolder* iface,
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IEnumSTATDATA** ppenumAdvise);
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static HRESULT WINAPI DataAdviseHolder_SendOnDataChange(
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IDataAdviseHolder* iface,
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IDataObject* pDataObject,
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DWORD dwReserved,
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DWORD advf);
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/**************************************************************************
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* DataAdviseHolderImpl_VTable
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*/
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static struct ICOM_VTABLE(IDataAdviseHolder) DataAdviseHolderImpl_VTable =
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{
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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DataAdviseHolder_QueryInterface,
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DataAdviseHolder_AddRef,
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DataAdviseHolder_Release,
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DataAdviseHolder_Advise,
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DataAdviseHolder_Unadvise,
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DataAdviseHolder_EnumAdvise,
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DataAdviseHolder_SendOnDataChange
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};
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/******************************************************************************
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* DataAdviseHolder_Constructor
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*/
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static IDataAdviseHolder* DataAdviseHolder_Constructor()
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{
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DataAdviseHolder* newHolder;
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newHolder = (DataAdviseHolder*)HeapAlloc(GetProcessHeap(),
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0,
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sizeof(DataAdviseHolder));
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ICOM_VTBL(newHolder) = &DataAdviseHolderImpl_VTable;
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newHolder->ref = 1;
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newHolder->maxCons = INITIAL_SINKS;
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newHolder->Connections = HeapAlloc(GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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newHolder->maxCons *
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sizeof(DataAdviseConnection));
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TRACE("returning %p\n", newHolder);
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return (IDataAdviseHolder*)newHolder;
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}
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/******************************************************************************
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* DataAdviseHolder_Destructor
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*/
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static void DataAdviseHolder_Destructor(DataAdviseHolder* 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->maxCons; index++)
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{
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if (ptrToDestroy->Connections[index].sink != NULL)
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{
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IAdviseSink_Release(ptrToDestroy->Connections[index].sink);
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ptrToDestroy->Connections[index].sink = NULL;
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}
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}
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HeapFree(GetProcessHeap(), 0, ptrToDestroy->Connections);
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HeapFree(GetProcessHeap(), 0, ptrToDestroy);
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}
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/************************************************************************
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* DataAdviseHolder_QueryInterface (IUnknown)
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*
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* See Windows documentation for more details on IUnknown methods.
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*/
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static HRESULT WINAPI DataAdviseHolder_QueryInterface(
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IDataAdviseHolder* iface,
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REFIID riid,
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void** ppvObject)
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{
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ICOM_THIS(DataAdviseHolder, iface);
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TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppvObject);
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/*
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* Perform a sanity check on the parameters.
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*/
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if ( (This==0) || (ppvObject==0) )
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return E_INVALIDARG;
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/*
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* Initialize the return parameter.
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*/
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*ppvObject = 0;
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/*
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* Compare the riid with the interface IDs implemented by this object.
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*/
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if ( (memcmp(&IID_IUnknown, riid, sizeof(IID_IUnknown)) == 0) ||
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(memcmp(&IID_IDataAdviseHolder, riid, sizeof(IID_IDataAdviseHolder)) == 0) )
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{
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*ppvObject = iface;
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}
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/*
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* Check that we obtained an interface.
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*/
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if ((*ppvObject)==0)
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{
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return E_NOINTERFACE;
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}
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|
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/*
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* Query Interface always increases the reference count by one when it is
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* successful.
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*/
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IUnknown_AddRef((IUnknown*)*ppvObject);
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return S_OK;;
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}
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|
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/************************************************************************
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* DataAdviseHolder_AddRef (IUnknown)
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*
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* See Windows documentation for more details on IUnknown methods.
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*/
|
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static ULONG WINAPI DataAdviseHolder_AddRef(
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IDataAdviseHolder* iface)
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{
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ICOM_THIS(DataAdviseHolder, iface);
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TRACE("(%p) (ref=%ld)\n", This, This->ref);
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This->ref++;
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return This->ref;
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}
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|
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/************************************************************************
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* DataAdviseHolder_Release (IUnknown)
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*
|
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* See Windows documentation for more details on IUnknown methods.
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*/
|
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static ULONG WINAPI DataAdviseHolder_Release(
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IDataAdviseHolder* iface)
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{
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ICOM_THIS(DataAdviseHolder, iface);
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TRACE("(%p) (ref=%ld)\n", This, This->ref);
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|
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/*
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* Decrease the reference count on this object.
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*/
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This->ref--;
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/*
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* If the reference count goes down to 0, perform suicide.
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*/
|
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if (This->ref==0)
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{
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DataAdviseHolder_Destructor(This);
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return 0;
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}
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|
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return This->ref;
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}
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|
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/************************************************************************
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* DataAdviseHolder_Advise
|
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*
|
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*/
|
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static HRESULT WINAPI DataAdviseHolder_Advise(
|
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IDataAdviseHolder* iface,
|
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IDataObject* pDataObject,
|
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FORMATETC* pFetc,
|
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DWORD advf,
|
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IAdviseSink* pAdvise,
|
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DWORD* pdwConnection)
|
|
{
|
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DWORD index;
|
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|
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ICOM_THIS(DataAdviseHolder, iface);
|
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|
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TRACE("(%p)->(%p, %p, %08lx, %p, %p)\n", This, pDataObject, pFetc, advf,
|
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pAdvise, pdwConnection);
|
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/*
|
|
* 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;
|
|
|
|
if (This->Connections[index].sink != NULL) {
|
|
IAdviseSink_AddRef(This->Connections[index].sink);
|
|
if(advf & ADVF_PRIMEFIRST) {
|
|
DataAdviseHolder_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)
|
|
{
|
|
ICOM_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 < 0) ||
|
|
(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)
|
|
{
|
|
ICOM_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)
|
|
{
|
|
ICOM_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;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* API functions
|
|
*/
|
|
|
|
/***********************************************************************
|
|
* CreateOleAdviseHolder [OLE32.59]
|
|
*/
|
|
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 [OLE32.53]
|
|
*/
|
|
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;
|
|
}
|
|
|