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Delegate advises to the remote object to enable the client to receive 

data change notifications.
This commit is contained in:
Robert Shearman 2005-11-28 11:16:58 +01:00 committed by Alexandre Julliard
parent fc17683f7d
commit b9d7754034
3 changed files with 56 additions and 2 deletions
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4
dlls/ole32/compobj_private.h
View File

@ -263,4 +263,8 @@ extern HINSTANCE OLE32_hInstance; /* FIXME: make static */
#define CHARS_IN_GUID 39 /* including NULL */
/* Exported non-interface Data Advise Holder functions */
HRESULT DataAdviseHolder_OnConnect(IDataAdviseHolder *iface, IDataObject *pDelegate);
void DataAdviseHolder_OnDisconnect(IDataAdviseHolder *iface);
#endif /* __WINE_OLE_COMPOBJ_H */

21
dlls/ole32/defaulthandler.c
View File

@ -55,8 +55,11 @@
#include "winbase.h"
#include "winuser.h"
#include "winerror.h"
#include "wine/unicode.h"
#include "ole2.h"
#include "compobj_private.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
@ -108,6 +111,8 @@ struct DefaultHandler
IOleObject *pOleDelegate;
/* IPersistStorage delegate */
IPersistStorage *pPSDelegate;
/* IDataObject delegate */
IDataObject *pDataDelegate;
/* connection cookie for the advise on the delegate OLE object */
DWORD dwAdvConn;
@ -411,6 +416,12 @@ static void WINAPI DefaultHandler_Stop(DefaultHandler *This)
/* FIXME: call IOleCache_OnStop */
DataAdviseHolder_OnDisconnect(This->dataAdviseHolder);
if (This->pDataDelegate)
{
IDataObject_Release(This->pDataDelegate);
This->pDataDelegate = NULL;
}
if (This->pPSDelegate)
{
IPersistStorage_Release(This->pPSDelegate);
@ -1284,6 +1295,13 @@ static HRESULT WINAPI DefaultHandler_Run(
* - IOleCache_OnRun
*/
if (SUCCEEDED(hr))
hr = IOleObject_QueryInterface(This->pOleDelegate, &IID_IDataObject,
(void **)&This->pDataDelegate);
if (SUCCEEDED(hr) && This->dataAdviseHolder)
hr = DataAdviseHolder_OnConnect(This->dataAdviseHolder, This->pDataDelegate);
if (FAILED(hr))
DefaultHandler_Stop(This);
@ -1558,6 +1576,7 @@ static DefaultHandler* DefaultHandler_Construct(
This->containerObj = NULL;
This->pOleDelegate = NULL;
This->pPSDelegate = NULL;
This->pDataDelegate = NULL;
This->dwAdvConn = 0;

33
dlls/ole32/oleobj.c
View File

@ -351,6 +351,7 @@ typedef struct DataAdviseConnection {
IAdviseSink *sink;
FORMATETC fmat;
DWORD advf;
DWORD remote_connection;
} DataAdviseConnection;
typedef struct DataAdviseHolder
@ -362,6 +363,9 @@ typedef struct DataAdviseHolder
DataAdviseConnection* Connections;
} DataAdviseHolder;
/* this connection has also has been advised to the delegate data object */
#define WINE_ADVF_REMOTE 0x80000000
/******************************************************************************
* DataAdviseHolder_Destructor
*/
@ -520,7 +524,7 @@ static HRESULT WINAPI DataAdviseHolder_Advise(
*/
This->Connections[index].sink = pAdvise;
memcpy(&(This->Connections[index].fmat), pFetc, sizeof(FORMATETC));
This->Connections[index].advf = advf;
This->Connections[index].advf = advf & ~WINE_ADVF_REMOTE;
if (This->Connections[index].sink != NULL) {
IAdviseSink_AddRef(This->Connections[index].sink);
@ -636,6 +640,33 @@ static const IDataAdviseHolderVtbl DataAdviseHolderImpl_VTable =
DataAdviseHolder_SendOnDataChange
};
HRESULT DataAdviseHolder_OnConnect(IDataAdviseHolder *iface, IDataObject *pDelegate)
{
DataAdviseHolder *This = (DataAdviseHolder *)iface;
DWORD index;
HRESULT hr = S_OK;
for(index = 0; index < This->maxCons; index++)
{
if(This->Connections[index].sink != NULL)
{
hr = IDataObject_DAdvise(pDelegate, &This->Connections[index].fmat,
This->Connections[index].advf,
This->Connections[index].sink,
&This->Connections[index].remote_connection);
if (FAILED(hr)) break;
This->Connections[index].advf |= WINE_ADVF_REMOTE;
}
}
/* FIXME: store pDelegate somewhere */
return hr;
}
void DataAdviseHolder_OnDisconnect(IDataAdviseHolder *iface)
{
/* FIXME: Unadvise all remote interfaces */
}
/******************************************************************************
* DataAdviseHolder_Constructor
*/