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wine/dlls/ole32/moniker.c

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/*
* Monikers
*
* Copyright 1998 Marcus Meissner
* Copyright 1999 Noomen Hamza
* Copyright 2005 Robert Shearman (for CodeWeavers)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* TODO:
* - IRunningObjectTable should work interprocess, but currently doesn't.
* Native (on Win2k at least) uses an undocumented RPC interface, IROT, to
* communicate with RPCSS which contains the table of marshalled data.
*/
#include <assert.h>
#include <stdarg.h>
#include <string.h>
#define COBJMACROS
#include "winerror.h"
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wtypes.h"
#include "ole2.h"
#include "wine/list.h"
#include "wine/debug.h"
#include "compobj_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
/* define the structure of the running object table elements */
struct rot_entry
{
struct list entry;
MInterfacePointer* object; /* marshaled running object*/
MInterfacePointer* moniker; /* marshaled moniker that identifies this object */
MInterfacePointer* moniker_data; /* moniker comparison data that identifies this object */
DWORD cookie; /* cookie identifying this object */
FILETIME last_modified;
};
/* define the RunningObjectTableImpl structure */
typedef struct RunningObjectTableImpl
{
const IRunningObjectTableVtbl *lpVtbl;
LONG ref;
struct list rot; /* list of ROT entries */
CRITICAL_SECTION lock;
} RunningObjectTableImpl;
static RunningObjectTableImpl* runningObjectTableInstance = NULL;
static inline HRESULT WINAPI
IrotRegister(DWORD *cookie)
{
static LONG last_cookie = 1;
*cookie = InterlockedIncrement(&last_cookie);
return S_OK;
}
/* define the EnumMonikerImpl structure */
typedef struct EnumMonikerImpl
{
const IEnumMonikerVtbl *lpVtbl;
LONG ref;
MInterfacePointer **monikers;
ULONG moniker_count;
ULONG pos;
} EnumMonikerImpl;
/* IEnumMoniker Local functions*/
static HRESULT WINAPI EnumMonikerImpl_CreateEnumROTMoniker(MInterfacePointer **monikers,
ULONG moniker_count, ULONG pos, IEnumMoniker **ppenumMoniker);
static HRESULT create_stream_on_mip_ro(const MInterfacePointer *mip, IStream **stream)
{
HGLOBAL hglobal = GlobalAlloc(0, mip->ulCntData);
void *pv = GlobalLock(hglobal);
memcpy(pv, mip->abData, mip->ulCntData);
GlobalUnlock(hglobal);
return CreateStreamOnHGlobal(hglobal, TRUE, stream);
}
static inline void rot_entry_delete(struct rot_entry *rot_entry)
{
/* FIXME: revoke entry from rpcss's copy of the ROT */
if (rot_entry->object)
{
IStream *stream;
HRESULT hr;
hr = create_stream_on_mip_ro(rot_entry->object, &stream);
if (hr == S_OK)
{
CoReleaseMarshalData(stream);
IUnknown_Release(stream);
}
}
if (rot_entry->moniker)
{
IStream *stream;
HRESULT hr;
hr = create_stream_on_mip_ro(rot_entry->moniker, &stream);
if (hr == S_OK)
{
CoReleaseMarshalData(stream);
IUnknown_Release(stream);
}
}
HeapFree(GetProcessHeap(), 0, rot_entry->object);
HeapFree(GetProcessHeap(), 0, rot_entry->moniker);
HeapFree(GetProcessHeap(), 0, rot_entry->moniker_data);
HeapFree(GetProcessHeap(), 0, rot_entry);
}
/* moniker_data must be freed with HeapFree when no longer in use */
static HRESULT get_moniker_comparison_data(IMoniker *pMoniker, MInterfacePointer **moniker_data)
{
HRESULT hr;
IROTData *pROTData = NULL;
ULONG size = 0;
hr = IMoniker_QueryInterface(pMoniker, &IID_IROTData, (void *)&pROTData);
if (hr != S_OK)
{
ERR("Failed to query moniker for IROTData interface, hr = 0x%08lx\n", hr);
return hr;
}
IROTData_GetComparisonData(pROTData, NULL, 0, &size);
*moniker_data = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MInterfacePointer, abData[size]));
(*moniker_data)->ulCntData = size;
hr = IROTData_GetComparisonData(pROTData, (*moniker_data)->abData, size, &size);
if (hr != S_OK)
{
ERR("Failed to copy comparison data into buffer, hr = 0x%08lx\n", hr);
HeapFree(GetProcessHeap(), 0, *moniker_data);
return hr;
}
return S_OK;
}
/***********************************************************************
* RunningObjectTable_QueryInterface
*/
static HRESULT WINAPI
RunningObjectTableImpl_QueryInterface(IRunningObjectTable* iface,
REFIID riid,void** ppvObject)
{
RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
/* validate arguments */
if (ppvObject==0)
return E_INVALIDARG;
*ppvObject = 0;
if (IsEqualIID(&IID_IUnknown, riid) ||
IsEqualIID(&IID_IRunningObjectTable, riid))
*ppvObject = (IRunningObjectTable*)This;
if ((*ppvObject)==0)
return E_NOINTERFACE;
IRunningObjectTable_AddRef(iface);
return S_OK;
}
/***********************************************************************
* RunningObjectTable_AddRef
*/
static ULONG WINAPI
RunningObjectTableImpl_AddRef(IRunningObjectTable* iface)
{
RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
TRACE("(%p)\n",This);
return InterlockedIncrement(&This->ref);
}
/***********************************************************************
* RunningObjectTable_Initialize
*/
static HRESULT WINAPI
RunningObjectTableImpl_Destroy(void)
{
struct list *cursor, *cursor2;
TRACE("()\n");
if (runningObjectTableInstance==NULL)
return E_INVALIDARG;
/* free the ROT table memory */
LIST_FOR_EACH_SAFE(cursor, cursor2, &runningObjectTableInstance->rot)
{
struct rot_entry *rot_entry = LIST_ENTRY(cursor, struct rot_entry, entry);
list_remove(&rot_entry->entry);
rot_entry_delete(rot_entry);
}
/* free the ROT structure memory */
HeapFree(GetProcessHeap(),0,runningObjectTableInstance);
runningObjectTableInstance = NULL;
return S_OK;
}
/***********************************************************************
* RunningObjectTable_Release
*/
static ULONG WINAPI
RunningObjectTableImpl_Release(IRunningObjectTable* iface)
{
RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
ULONG ref;
TRACE("(%p)\n",This);
ref = InterlockedDecrement(&This->ref);
/* uninitialize ROT structure if there's no more references to it */
if (ref == 0)
{
struct list *cursor, *cursor2;
LIST_FOR_EACH_SAFE(cursor, cursor2, &This->rot)
{
struct rot_entry *rot_entry = LIST_ENTRY(cursor, struct rot_entry, entry);
list_remove(&rot_entry->entry);
rot_entry_delete(rot_entry);
}
/* RunningObjectTable data structure will be not destroyed here ! the destruction will be done only
* when RunningObjectTableImpl_UnInitialize function is called
*/
}
return ref;
}
/***********************************************************************
* RunningObjectTable_Register
*
* PARAMS
* grfFlags [in] Registration options
* punkObject [in] the object being registered
* pmkObjectName [in] the moniker of the object being registered
* pdwRegister [in] the value identifying the registration
*/
static HRESULT WINAPI
RunningObjectTableImpl_Register(IRunningObjectTable* iface, DWORD grfFlags,
IUnknown *punkObject, IMoniker *pmkObjectName, DWORD *pdwRegister)
{
RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
struct rot_entry *rot_entry;
HRESULT hr = S_OK;
IStream *pStream = NULL;
DWORD mshlflags;
TRACE("(%p,%ld,%p,%p,%p)\n",This,grfFlags,punkObject,pmkObjectName,pdwRegister);
/*
* there's only two types of register : strong and or weak registration
* (only one must be passed on parameter)
*/
if ( ( (grfFlags & ROTFLAGS_REGISTRATIONKEEPSALIVE) || !(grfFlags & ROTFLAGS_ALLOWANYCLIENT)) &&
(!(grfFlags & ROTFLAGS_REGISTRATIONKEEPSALIVE) || (grfFlags & ROTFLAGS_ALLOWANYCLIENT)) &&
(grfFlags) )
{
ERR("Invalid combination of ROTFLAGS: %lx\n", grfFlags);
return E_INVALIDARG;
}
if (punkObject==NULL || pmkObjectName==NULL || pdwRegister==NULL)
return E_INVALIDARG;
rot_entry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*rot_entry));
if (!rot_entry)
return E_OUTOFMEMORY;
CoFileTimeNow(&rot_entry->last_modified);
/* marshal object */
hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
if (hr != S_OK)
{
rot_entry_delete(rot_entry);
return hr;
}
mshlflags = (grfFlags & ROTFLAGS_REGISTRATIONKEEPSALIVE) ? MSHLFLAGS_TABLESTRONG : MSHLFLAGS_TABLEWEAK;
hr = CoMarshalInterface(pStream, &IID_IUnknown, punkObject, MSHCTX_LOCAL | MSHCTX_NOSHAREDMEM, NULL, mshlflags);
/* FIXME: a cleaner way would be to create an IStream class that writes
* directly to an MInterfacePointer */
if (hr == S_OK)
{
HGLOBAL hglobal;
hr = GetHGlobalFromStream(pStream, &hglobal);
if (hr == S_OK)
{
SIZE_T size = GlobalSize(hglobal);
const void *pv = GlobalLock(hglobal);
rot_entry->object = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MInterfacePointer, abData[size]));
rot_entry->object->ulCntData = size;
memcpy(&rot_entry->object->abData, pv, size);
GlobalUnlock(hglobal);
}
}
IStream_Release(pStream);
if (hr != S_OK)
{
rot_entry_delete(rot_entry);
return hr;
}
hr = get_moniker_comparison_data(pmkObjectName, &rot_entry->moniker_data);
if (hr != S_OK)
{
rot_entry_delete(rot_entry);
return hr;
}
hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
if (hr != S_OK)
{
rot_entry_delete(rot_entry);
return hr;
}
/* marshal moniker */
hr = CoMarshalInterface(pStream, &IID_IMoniker, (IUnknown *)pmkObjectName, MSHCTX_LOCAL | MSHCTX_NOSHAREDMEM, NULL, MSHLFLAGS_TABLESTRONG);
/* FIXME: a cleaner way would be to create an IStream class that writes
* directly to an MInterfacePointer */
if (hr == S_OK)
{
HGLOBAL hglobal;
hr = GetHGlobalFromStream(pStream, &hglobal);
if (hr == S_OK)
{
SIZE_T size = GlobalSize(hglobal);
const void *pv = GlobalLock(hglobal);
rot_entry->moniker = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MInterfacePointer, abData[size]));
rot_entry->moniker->ulCntData = size;
memcpy(&rot_entry->moniker->abData, pv, size);
GlobalUnlock(hglobal);
}
}
IStream_Release(pStream);
if (hr != S_OK)
{
rot_entry_delete(rot_entry);
return hr;
}
/* FIXME: not the right signature of IrotRegister function */
hr = IrotRegister(&rot_entry->cookie);
if (hr != S_OK)
{
rot_entry_delete(rot_entry);
return hr;
}
/* gives a registration identifier to the registered object*/
*pdwRegister = rot_entry->cookie;
EnterCriticalSection(&This->lock);
/* FIXME: see if object was registered before and return MK_S_MONIKERALREADYREGISTERED */
list_add_tail(&This->rot, &rot_entry->entry);
LeaveCriticalSection(&This->lock);
return hr;
}
/***********************************************************************
* RunningObjectTable_Revoke
*
* PARAMS
* dwRegister [in] Value identifying registration to be revoked
*/
static HRESULT WINAPI
RunningObjectTableImpl_Revoke( IRunningObjectTable* iface, DWORD dwRegister)
{
RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
struct rot_entry *rot_entry;
TRACE("(%p,%ld)\n",This,dwRegister);
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
{
if (rot_entry->cookie == dwRegister)
{
list_remove(&rot_entry->entry);
LeaveCriticalSection(&This->lock);
rot_entry_delete(rot_entry);
return S_OK;
}
}
LeaveCriticalSection(&This->lock);
return E_INVALIDARG;
}
/***********************************************************************
* RunningObjectTable_IsRunning
*
* PARAMS
* pmkObjectName [in] moniker of the object whose status is desired
*/
static HRESULT WINAPI
RunningObjectTableImpl_IsRunning( IRunningObjectTable* iface, IMoniker *pmkObjectName)
{
RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
MInterfacePointer *moniker_data;
HRESULT hr;
struct rot_entry *rot_entry;
TRACE("(%p,%p)\n",This,pmkObjectName);
hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
if (hr != S_OK)
return hr;
hr = S_FALSE;
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
{
if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
!memcmp(moniker_data, rot_entry->moniker_data, moniker_data->ulCntData))
{
hr = S_OK;
break;
}
}
LeaveCriticalSection(&This->lock);
/* FIXME: call IrotIsRunning */
HeapFree(GetProcessHeap(), 0, moniker_data);
return hr;
}
/***********************************************************************
* RunningObjectTable_GetObject
*
* PARAMS
* pmkObjectName [in] Pointer to the moniker on the object
* ppunkObject [out] variable that receives the IUnknown interface pointer
*/
static HRESULT WINAPI
RunningObjectTableImpl_GetObject( IRunningObjectTable* iface,
IMoniker *pmkObjectName, IUnknown **ppunkObject)
{
RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
MInterfacePointer *moniker_data;
HRESULT hr;
struct rot_entry *rot_entry;
TRACE("(%p,%p,%p)\n",This,pmkObjectName,ppunkObject);
if (ppunkObject == NULL)
return E_POINTER;
*ppunkObject = NULL;
hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
if (hr != S_OK)
return hr;
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
{
if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
!memcmp(moniker_data, rot_entry->moniker_data, moniker_data->ulCntData))
{
IStream *pStream;
hr = create_stream_on_mip_ro(rot_entry->object, &pStream);
if (hr == S_OK)
{
hr = CoUnmarshalInterface(pStream, &IID_IUnknown, (void **)ppunkObject);
IStream_Release(pStream);
}
LeaveCriticalSection(&This->lock);
HeapFree(GetProcessHeap(), 0, moniker_data);
return hr;
}
}
LeaveCriticalSection(&This->lock);
/* FIXME: call IrotGetObject */
WARN("Moniker unavailable - app may require interprocess running object table\n");
hr = MK_E_UNAVAILABLE;
HeapFree(GetProcessHeap(), 0, moniker_data);
return hr;
}
/***********************************************************************
* RunningObjectTable_NoteChangeTime
*
* PARAMS
* dwRegister [in] Value identifying registration being updated
* pfiletime [in] Pointer to structure containing object's last change time
*/
static HRESULT WINAPI
RunningObjectTableImpl_NoteChangeTime(IRunningObjectTable* iface,
DWORD dwRegister, FILETIME *pfiletime)
{
RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
struct rot_entry *rot_entry;
TRACE("(%p,%ld,%p)\n",This,dwRegister,pfiletime);
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
{
if (rot_entry->cookie == dwRegister)
{
rot_entry->last_modified = *pfiletime;
LeaveCriticalSection(&This->lock);
return S_OK;
}
}
LeaveCriticalSection(&This->lock);
/* FIXME: call IrotNoteChangeTime */
return E_INVALIDARG;
}
/***********************************************************************
* RunningObjectTable_GetTimeOfLastChange
*
* PARAMS
* pmkObjectName [in] moniker of the object whose status is desired
* pfiletime [out] structure that receives object's last change time
*/
static HRESULT WINAPI
RunningObjectTableImpl_GetTimeOfLastChange(IRunningObjectTable* iface,
IMoniker *pmkObjectName, FILETIME *pfiletime)
{
HRESULT hr = MK_E_UNAVAILABLE;
RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
MInterfacePointer *moniker_data;
struct rot_entry *rot_entry;
TRACE("(%p,%p,%p)\n",This,pmkObjectName,pfiletime);
if (pmkObjectName==NULL || pfiletime==NULL)
return E_INVALIDARG;
hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
if (hr != S_OK)
return hr;
hr = MK_E_UNAVAILABLE;
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
{
if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
!memcmp(moniker_data, rot_entry->moniker_data, moniker_data->ulCntData))
{
*pfiletime = rot_entry->last_modified;
hr = S_OK;
break;
}
}
LeaveCriticalSection(&This->lock);
/* FIXME: if (hr != S_OK) call IrotGetTimeOfLastChange */
HeapFree(GetProcessHeap(), 0, moniker_data);
return hr;
}
/***********************************************************************
* RunningObjectTable_EnumRunning
*
* PARAMS
* ppenumMoniker [out] receives the IEnumMoniker interface pointer
*/
static HRESULT WINAPI
RunningObjectTableImpl_EnumRunning(IRunningObjectTable* iface,
IEnumMoniker **ppenumMoniker)
{
HRESULT hr;
RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
MInterfacePointer **monikers;
ULONG moniker_count = 0;
const struct rot_entry *rot_entry;
ULONG i = 0;
EnterCriticalSection(&This->lock);
LIST_FOR_EACH_ENTRY( rot_entry, &This->rot, const struct rot_entry, entry )
moniker_count++;
monikers = HeapAlloc(GetProcessHeap(), 0, moniker_count * sizeof(*monikers));
LIST_FOR_EACH_ENTRY( rot_entry, &This->rot, const struct rot_entry, entry )
{
SIZE_T size = FIELD_OFFSET(MInterfacePointer, abData[rot_entry->moniker->ulCntData]);
monikers[i] = HeapAlloc(GetProcessHeap(), 0, size);
memcpy(monikers[i], rot_entry->moniker, size);
i++;
}
LeaveCriticalSection(&This->lock);
/* FIXME: call IrotEnumRunning and append data */
hr = EnumMonikerImpl_CreateEnumROTMoniker(monikers, moniker_count, 0, ppenumMoniker);
return hr;
}
/***********************************************************************
* GetRunningObjectTable (OLE32.@)
*/
HRESULT WINAPI
GetRunningObjectTable(DWORD reserved, LPRUNNINGOBJECTTABLE *pprot)
{
IID riid=IID_IRunningObjectTable;
HRESULT res;
TRACE("()\n");
if (reserved!=0)
return E_UNEXPECTED;
if(runningObjectTableInstance==NULL)
return CO_E_NOTINITIALIZED;
res = IRunningObjectTable_QueryInterface((IRunningObjectTable*)runningObjectTableInstance,&riid,(void**)pprot);
return res;
}
/******************************************************************************
* OleRun [OLE32.@]
*/
HRESULT WINAPI OleRun(LPUNKNOWN pUnknown)
{
IRunnableObject *runable;
IRunnableObject *This = (IRunnableObject *)pUnknown;
LRESULT ret;
ret = IRunnableObject_QueryInterface(This,&IID_IRunnableObject,(LPVOID*)&runable);
if (ret)
return 0; /* Appears to return no error. */
ret = IRunnableObject_Run(runable,NULL);
IRunnableObject_Release(runable);
return ret;
}
/******************************************************************************
* MkParseDisplayName [OLE32.@]
*/
HRESULT WINAPI MkParseDisplayName(LPBC pbc, LPCOLESTR szUserName,
LPDWORD pchEaten, LPMONIKER *ppmk)
{
FIXME("(%p, %s, %p, %p): stub.\n", pbc, debugstr_w(szUserName), pchEaten, *ppmk);
if (!(IsValidInterface((LPUNKNOWN) pbc)))
return E_INVALIDARG;
return MK_E_SYNTAX;
}
/******************************************************************************
* CreateClassMoniker [OLE32.@]
*/
HRESULT WINAPI CreateClassMoniker(REFCLSID rclsid, IMoniker ** ppmk)
{
FIXME("%s\n", debugstr_guid( rclsid ));
if( ppmk )
*ppmk = NULL;
return E_NOTIMPL;
}
/* Virtual function table for the IRunningObjectTable class. */
static const IRunningObjectTableVtbl VT_RunningObjectTableImpl =
{
RunningObjectTableImpl_QueryInterface,
RunningObjectTableImpl_AddRef,
RunningObjectTableImpl_Release,
RunningObjectTableImpl_Register,
RunningObjectTableImpl_Revoke,
RunningObjectTableImpl_IsRunning,
RunningObjectTableImpl_GetObject,
RunningObjectTableImpl_NoteChangeTime,
RunningObjectTableImpl_GetTimeOfLastChange,
RunningObjectTableImpl_EnumRunning
};
/***********************************************************************
* RunningObjectTable_Initialize
*/
HRESULT WINAPI RunningObjectTableImpl_Initialize(void)
{
TRACE("\n");
/* create the unique instance of the RunningObjectTableImpl structure */
runningObjectTableInstance = HeapAlloc(GetProcessHeap(), 0, sizeof(RunningObjectTableImpl));
if (!runningObjectTableInstance)
return E_OUTOFMEMORY;
/* initialize the virtual table function */
runningObjectTableInstance->lpVtbl = &VT_RunningObjectTableImpl;
/* the initial reference is set to "1" ! because if set to "0" it will be not practis when */
/* the ROT referred many times not in the same time (all the objects in the ROT will */
/* be removed every time the ROT is removed ) */
runningObjectTableInstance->ref = 1;
list_init(&runningObjectTableInstance->rot);
InitializeCriticalSection(&runningObjectTableInstance->lock);
return S_OK;
}
/***********************************************************************
* RunningObjectTable_UnInitialize
*/
HRESULT WINAPI RunningObjectTableImpl_UnInitialize()
{
TRACE("\n");
if (runningObjectTableInstance==NULL)
return E_POINTER;
RunningObjectTableImpl_Release((IRunningObjectTable*)runningObjectTableInstance);
RunningObjectTableImpl_Destroy();
return S_OK;
}
/***********************************************************************
* EnumMoniker_QueryInterface
*/
static HRESULT WINAPI EnumMonikerImpl_QueryInterface(IEnumMoniker* iface,REFIID riid,void** ppvObject)
{
EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
/* validate arguments */
if (ppvObject == NULL)
return E_INVALIDARG;
*ppvObject = NULL;
if (IsEqualIID(&IID_IUnknown, riid))
*ppvObject = (IEnumMoniker*)This;
else
if (IsEqualIID(&IID_IEnumMoniker, riid))
*ppvObject = (IEnumMoniker*)This;
if ((*ppvObject)==NULL)
return E_NOINTERFACE;
IEnumMoniker_AddRef(iface);
return S_OK;
}
/***********************************************************************
* EnumMoniker_AddRef
*/
static ULONG WINAPI EnumMonikerImpl_AddRef(IEnumMoniker* iface)
{
EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
TRACE("(%p)\n",This);
return InterlockedIncrement(&This->ref);
}
/***********************************************************************
* EnumMoniker_release
*/
static ULONG WINAPI EnumMonikerImpl_Release(IEnumMoniker* iface)
{
EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
ULONG ref;
TRACE("(%p)\n",This);
ref = InterlockedDecrement(&This->ref);
/* unitialize rot structure if there's no more reference to it*/
if (ref == 0)
{
ULONG i;
TRACE("(%p) Deleting\n",This);
for (i = 0; i < This->moniker_count; i++)
HeapFree(GetProcessHeap(), 0, This->monikers[i]);
HeapFree(GetProcessHeap(), 0, This->monikers);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
/***********************************************************************
* EnmumMoniker_Next
*/
static HRESULT WINAPI EnumMonikerImpl_Next(IEnumMoniker* iface, ULONG celt, IMoniker** rgelt, ULONG * pceltFetched)
{
ULONG i;
EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
HRESULT hr = S_OK;
TRACE("(%p) TabCurrentPos %ld Tablastindx %ld\n", This, This->pos, This->moniker_count);
/* retrieve the requested number of moniker from the current position */
for(i = 0; (This->pos < This->moniker_count) && (i < celt); i++)
{
IStream *stream;
hr = create_stream_on_mip_ro(This->monikers[This->pos++], &stream);
if (hr != S_OK) break;
hr = CoUnmarshalInterface(stream, &IID_IMoniker, (void **)&rgelt[i]);
IStream_Release(stream);
if (hr != S_OK) break;
}
if (pceltFetched != NULL)
*pceltFetched= i;
if (hr != S_OK)
return hr;
if (i == celt)
return S_OK;
else
return S_FALSE;
}
/***********************************************************************
* EnmumMoniker_Skip
*/
static HRESULT WINAPI EnumMonikerImpl_Skip(IEnumMoniker* iface, ULONG celt)
{
EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
TRACE("(%p)\n",This);
if (This->pos + celt >= This->moniker_count)
return S_FALSE;
This->pos += celt;
return S_OK;
}
/***********************************************************************
* EnmumMoniker_Reset
*/
static HRESULT WINAPI EnumMonikerImpl_Reset(IEnumMoniker* iface)
{
EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
This->pos = 0; /* set back to start of list */
TRACE("(%p)\n",This);
return S_OK;
}
/***********************************************************************
* EnmumMoniker_Clone
*/
static HRESULT WINAPI EnumMonikerImpl_Clone(IEnumMoniker* iface, IEnumMoniker ** ppenum)
{
EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
MInterfacePointer **monikers = HeapAlloc(GetProcessHeap(), 0, sizeof(*monikers)*This->moniker_count);
ULONG i;
TRACE("(%p)\n",This);
for (i = 0; i < This->moniker_count; i++)
{
SIZE_T size = FIELD_OFFSET(MInterfacePointer, abData[This->monikers[i]->ulCntData]);
monikers[i] = HeapAlloc(GetProcessHeap(), 0, size);
memcpy(monikers[i], This->monikers[i], size);
}
/* copy the enum structure */
return EnumMonikerImpl_CreateEnumROTMoniker(monikers, This->moniker_count,
This->pos, ppenum);
}
/* Virtual function table for the IEnumMoniker class. */
static const IEnumMonikerVtbl VT_EnumMonikerImpl =
{
EnumMonikerImpl_QueryInterface,
EnumMonikerImpl_AddRef,
EnumMonikerImpl_Release,
EnumMonikerImpl_Next,
EnumMonikerImpl_Skip,
EnumMonikerImpl_Reset,
EnumMonikerImpl_Clone
};
/***********************************************************************
* EnumMonikerImpl_CreateEnumROTMoniker
* Used by EnumRunning to create the structure and EnumClone
* to copy the structure
*/
static HRESULT WINAPI EnumMonikerImpl_CreateEnumROTMoniker(MInterfacePointer **monikers,
ULONG moniker_count,
ULONG current_pos,
IEnumMoniker **ppenumMoniker)
{
EnumMonikerImpl* This = NULL;
if (!ppenumMoniker)
return E_INVALIDARG;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(EnumMonikerImpl));
if (!This) return E_OUTOFMEMORY;
TRACE("(%p)\n", This);
/* initialize the virtual table function */
This->lpVtbl = &VT_EnumMonikerImpl;
/* the initial reference is set to "1" */
This->ref = 1; /* set the ref count to one */
This->pos = current_pos; /* Set the list start posn */
This->moniker_count = moniker_count; /* Need the same size table as ROT */
This->monikers = monikers;
*ppenumMoniker = (IEnumMoniker*)This;
return S_OK;
}
/* Shared implementation of moniker marshaler based on saving and loading of
* monikers */
typedef struct MonikerMarshal
{
const IUnknownVtbl *lpVtbl;
const IMarshalVtbl *lpVtblMarshal;
LONG ref;
IMoniker *moniker;
} MonikerMarshal;
static inline MonikerMarshal *impl_from_IMarshal( IMarshal *iface )
{
return (MonikerMarshal *)((char*)iface - FIELD_OFFSET(MonikerMarshal, lpVtblMarshal));
}
static HRESULT WINAPI MonikerMarshalInner_QueryInterface(IUnknown *iface, REFIID riid, LPVOID *ppv)
{
MonikerMarshal *This = (MonikerMarshal *)iface;
TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
*ppv = NULL;
if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IMarshal, riid))
{
*ppv = &This->lpVtblMarshal;
IUnknown_AddRef((IUnknown *)&This->lpVtblMarshal);
return S_OK;
}
FIXME("No interface for %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI MonikerMarshalInner_AddRef(IUnknown *iface)
{
MonikerMarshal *This = (MonikerMarshal *)iface;
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI MonikerMarshalInner_Release(IUnknown *iface)
{
MonikerMarshal *This = (MonikerMarshal *)iface;
ULONG ref = InterlockedDecrement(&This->ref);
if (!ref) HeapFree(GetProcessHeap(), 0, This);
return ref;
}
static const IUnknownVtbl VT_MonikerMarshalInner =
{
MonikerMarshalInner_QueryInterface,
MonikerMarshalInner_AddRef,
MonikerMarshalInner_Release
};
static HRESULT WINAPI MonikerMarshal_QueryInterface(IMarshal *iface, REFIID riid, LPVOID *ppv)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
return IMoniker_QueryInterface(This->moniker, riid, ppv);
}
static ULONG WINAPI MonikerMarshal_AddRef(IMarshal *iface)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
return IMoniker_AddRef(This->moniker);
}
static ULONG WINAPI MonikerMarshal_Release(IMarshal *iface)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
return IMoniker_Release(This->moniker);
}
static HRESULT WINAPI MonikerMarshal_GetUnmarshalClass(
LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
void* pvDestContext, DWORD mshlflags, CLSID* pCid)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
TRACE("(%s, %p, %lx, %p, %lx, %p)\n", debugstr_guid(riid), pv,
dwDestContext, pvDestContext, mshlflags, pCid);
return IMoniker_GetClassID(This->moniker, pCid);
}
static HRESULT WINAPI MonikerMarshal_GetMarshalSizeMax(
LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
void* pvDestContext, DWORD mshlflags, DWORD* pSize)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
HRESULT hr;
ULARGE_INTEGER size;
TRACE("(%s, %p, %lx, %p, %lx, %p)\n", debugstr_guid(riid), pv,
dwDestContext, pvDestContext, mshlflags, pSize);
hr = IMoniker_GetSizeMax(This->moniker, &size);
if (hr == S_OK)
*pSize = (DWORD)size.QuadPart;
return hr;
}
static HRESULT WINAPI MonikerMarshal_MarshalInterface(LPMARSHAL iface, IStream *pStm,
REFIID riid, void* pv, DWORD dwDestContext,
void* pvDestContext, DWORD mshlflags)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
TRACE("(%p, %s, %p, %lx, %p, %lx)\n", pStm, debugstr_guid(riid), pv,
dwDestContext, pvDestContext, mshlflags);
return IMoniker_Save(This->moniker, pStm, FALSE);
}
static HRESULT WINAPI MonikerMarshal_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv)
{
MonikerMarshal *This = impl_from_IMarshal(iface);
HRESULT hr;
TRACE("(%p, %s, %p)\n", pStm, debugstr_guid(riid), ppv);
hr = IMoniker_Load(This->moniker, pStm);
if (hr == S_OK)
hr = IMoniker_QueryInterface(This->moniker, riid, ppv);
return hr;
}
static HRESULT WINAPI MonikerMarshal_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm)
{
TRACE("()\n");
/* can't release a state-based marshal as nothing on server side to
* release */
return S_OK;
}
static HRESULT WINAPI MonikerMarshal_DisconnectObject(LPMARSHAL iface, DWORD dwReserved)
{
TRACE("()\n");
/* can't disconnect a state-based marshal as nothing on server side to
* disconnect from */
return S_OK;
}
static const IMarshalVtbl VT_MonikerMarshal =
{
MonikerMarshal_QueryInterface,
MonikerMarshal_AddRef,
MonikerMarshal_Release,
MonikerMarshal_GetUnmarshalClass,
MonikerMarshal_GetMarshalSizeMax,
MonikerMarshal_MarshalInterface,
MonikerMarshal_UnmarshalInterface,
MonikerMarshal_ReleaseMarshalData,
MonikerMarshal_DisconnectObject
};
HRESULT MonikerMarshal_Create(IMoniker *inner, IUnknown **outer)
{
MonikerMarshal *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
if (!This) return E_OUTOFMEMORY;
This->lpVtbl = &VT_MonikerMarshalInner;
This->lpVtblMarshal = &VT_MonikerMarshal;
This->ref = 1;
This->moniker = inner;
*outer = (IUnknown *)&This->lpVtbl;
return S_OK;
}
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