604 lines
15 KiB
C
604 lines
15 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 "debug.h"
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DEFAULT_DEBUG_CHANNEL(ole)
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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_VTABLE(IOleAdviseHolder)* lpvtbl;
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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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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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lpoah->lpvtbl = &oahvt;
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lpoah->ref = 1;
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lpoah->maxSinks = 10;
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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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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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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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/*
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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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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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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(ole, "(%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+=10;
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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(ole, "(%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 (ole, "(%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 (ole, "(%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 (ole, "(%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 (ole, "(%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 DataAdviseHolder
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{
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ICOM_VTABLE(IDataAdviseHolder)* lpvtbl;
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DWORD ref;
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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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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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newHolder->lpvtbl = &DataAdviseHolderImpl_VTable;
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newHolder->ref = 1;
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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(
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DataAdviseHolder* ptrToDestroy)
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{
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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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* 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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/*
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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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* 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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* 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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This->ref++;
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return This->ref;
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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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/*
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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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return This->ref;
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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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{
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FIXME(ole, "(): stub\n");
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return E_NOTIMPL;
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}
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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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{
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FIXME(ole, "(): stub\n");
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return E_NOTIMPL;
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}
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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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{
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FIXME(ole, "(): stub\n");
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return E_NOTIMPL;
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}
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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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FIXME(ole, "(): stub\n");
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return E_NOTIMPL;
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}
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/***********************************************************************
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* API functions
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*/
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/***********************************************************************
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* CreateOleAdviseHolder [OLE32.59]
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*/
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HRESULT WINAPI CreateOleAdviseHolder(
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LPOLEADVISEHOLDER *ppOAHolder)
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{
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TRACE(ole, "(%p)\n", ppOAHolder);
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/*
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* Sanity check,
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*/
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if (ppOAHolder==NULL)
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return E_POINTER;
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*ppOAHolder = OleAdviseHolderImpl_Constructor ();
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if (*ppOAHolder != NULL)
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return S_OK;
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return E_OUTOFMEMORY;
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}
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/******************************************************************************
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* CreateDataAdviseHolder [OLE32.53]
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*/
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HRESULT WINAPI CreateDataAdviseHolder(
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LPDATAADVISEHOLDER* ppDAHolder)
|
|
{
|
|
TRACE(ole,"(%p)\n", ppDAHolder);
|
|
|
|
/*
|
|
* Sanity check,
|
|
*/
|
|
if (ppDAHolder==NULL)
|
|
return E_POINTER;
|
|
|
|
*ppDAHolder = DataAdviseHolder_Constructor();
|
|
|
|
if (*ppDAHolder != NULL)
|
|
return S_OK;
|
|
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|