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wine/ole/moniker.c

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/*
* Monikers
*
* Copyright 1998 Marcus Meissner
* Copyright 1999 Noomen Hamza
*/
#include <assert.h>
#include "winerror.h"
#include "wine/obj_moniker.h"
#include "debug.h"
#include "heap.h"
DEFAULT_DEBUG_CHANNEL(ole)
#define BLOCK_TAB_SIZE 20 /* represent the first size table and it's increment block size */
/* define the structure of the running object table elements */
typedef struct RunObject{
IUnknown* pObj; /* points on a running object*/
IMoniker* pmkObj; /* points on a moniker who identifies this object */
FILETIME lastModifObj;
DWORD identRegObj; /* registration key relative to this object */
DWORD regTypeObj; /* registration type : strong or weak */
}RunObject;
/* define de RunningObjectTableImpl structure */
typedef struct RunningObjectTableImpl{
ICOM_VTABLE(IRunningObjectTable)* lpvtbl;
ULONG ref;
RunObject* runObjTab; /* pointe to the first object in the table */
DWORD runObjTabSize; /* current table size */
DWORD runObjTabLastIndx; /* first free index element in the table. */
DWORD runObjTabRegister; /* registration key of the next registred object */
} RunningObjectTableImpl;
RunningObjectTableImpl* runningObjectTableInstance=0;
/* IRunningObjectTable prototipe functions : */
/* IUnknown functions*/
static HRESULT WINAPI RunningObjectTableImpl_QueryInterface(IRunningObjectTable* iface,REFIID riid,void** ppvObject);
static ULONG WINAPI RunningObjectTableImpl_AddRef(IRunningObjectTable* iface);
static ULONG WINAPI RunningObjectTableImpl_Release(IRunningObjectTable* iface);
/* IRunningObjectTable functions */
static HRESULT WINAPI RunningObjectTableImpl_Register(IRunningObjectTable* iface, DWORD grfFlags,IUnknown* punkObject,IMoniker* pmkObjectName,DWORD* pdwRegister);
static HRESULT WINAPI RunningObjectTableImpl_Revoke(IRunningObjectTable* iface, DWORD dwRegister);
static HRESULT WINAPI RunningObjectTableImpl_IsRunning(IRunningObjectTable* iface, IMoniker* pmkObjectName);
static HRESULT WINAPI RunningObjectTableImpl_GetObject(IRunningObjectTable* iface, IMoniker* pmkObjectName,IUnknown** ppunkObject);
static HRESULT WINAPI RunningObjectTableImpl_NoteChangeTime(IRunningObjectTable* iface, DWORD dwRegister,FILETIME* pfiletime);
static HRESULT WINAPI RunningObjectTableImpl_GetTimeOfLastChange(IRunningObjectTable* iface, IMoniker* pmkObjectName,FILETIME* pfiletime);
static HRESULT WINAPI RunningObjectTableImpl_EnumRunning(IRunningObjectTable* iface, IEnumMoniker** ppenumMoniker);
/* Local functions*/
HRESULT WINAPI RunningObjectTableImpl_Initialize();
HRESULT WINAPI RunningObjectTableImpl_UnInitialize();
HRESULT WINAPI RunningObjectTableImpl_Destroy();
HRESULT WINAPI RunningObjectTableImpl_GetObjectIndex(RunningObjectTableImpl* This,DWORD identReg,IMoniker* pmk,DWORD *indx);
/* Virtual function table for the IRunningObjectTable class. */
static ICOM_VTABLE(IRunningObjectTable) VT_RunningObjectTableImpl =
{
RunningObjectTableImpl_QueryInterface,
RunningObjectTableImpl_AddRef,
RunningObjectTableImpl_Release,
RunningObjectTableImpl_Register,
RunningObjectTableImpl_Revoke,
RunningObjectTableImpl_IsRunning,
RunningObjectTableImpl_GetObject,
RunningObjectTableImpl_NoteChangeTime,
RunningObjectTableImpl_GetTimeOfLastChange,
RunningObjectTableImpl_EnumRunning
};
/***********************************************************************
* RunningObjectTable_QueryInterface
*/
HRESULT WINAPI RunningObjectTableImpl_QueryInterface(IRunningObjectTable* iface,REFIID riid,void** ppvObject)
{
ICOM_THIS(RunningObjectTableImpl,iface);
TRACE(ole,"(%p,%p,%p)\n",This,riid,ppvObject);
/* validate arguments*/
if (This==0)
return CO_E_NOTINITIALIZED;
if (ppvObject==0)
return E_INVALIDARG;
*ppvObject = 0;
if (IsEqualIID(&IID_IUnknown, riid))
*ppvObject = (IRunningObjectTable*)This;
else
if (IsEqualIID(&IID_IRunningObjectTable, riid))
*ppvObject = (IRunningObjectTable*)This;
if ((*ppvObject)==0)
return E_NOINTERFACE;
RunningObjectTableImpl_AddRef(iface);
return S_OK;
}
/***********************************************************************
* RunningObjectTable_AddRef
*/
ULONG WINAPI RunningObjectTableImpl_AddRef(IRunningObjectTable* iface)
{
ICOM_THIS(RunningObjectTableImpl,iface);
TRACE(ole,"(%p)\n",This);
return ++(This->ref);
}
/***********************************************************************
* RunningObjectTable_Initialize
*/
HRESULT WINAPI RunningObjectTableImpl_Destroy()
{
TRACE(ole,"()\n");
if (runningObjectTableInstance==NULL)
return E_INVALIDARG;
/* free the ROT table memory */
HeapFree(GetProcessHeap(),0,runningObjectTableInstance->runObjTab);
/* free the ROT structure memory */
HeapFree(GetProcessHeap(),0,runningObjectTableInstance);
return S_OK;
}
/***********************************************************************
* RunningObjectTable_Release
*/
ULONG WINAPI RunningObjectTableImpl_Release(IRunningObjectTable* iface)
{
DWORD i;
ICOM_THIS(RunningObjectTableImpl,iface);
TRACE(ole,"(%p)\n",This);
This->ref--;
/* unitialize ROT structure if there's no more reference to it*/
if (This->ref==0){
/* release all registred objects */
for(i=0;i<This->runObjTabLastIndx;i++)
{
if (( This->runObjTab[i].regTypeObj & ROTFLAGS_REGISTRATIONKEEPSALIVE) != 0)
IUnknown_Release(This->runObjTab[i].pObj);
IMoniker_Release(This->runObjTab[i].pmkObj);
}
/* RunningObjectTable data structure will be not destroyed here ! the destruction will be done only
* when RunningObjectTableImpl_UnInitialize function is called
*/
/* there's no more elements in the table */
This->runObjTabRegister=0;
This->runObjTabLastIndx=0;
return 0;
}
return This->ref;
}
/***********************************************************************
* RunningObjectTable_Initialize
*/
HRESULT WINAPI RunningObjectTableImpl_Initialize()
{
TRACE(ole,"()\n");
/* create the unique instance of the RunningObjectTableImpl structure */
runningObjectTableInstance = HeapAlloc(GetProcessHeap(), 0, sizeof(RunningObjectTableImpl));
if (runningObjectTableInstance == 0)
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 refered many times not in the same time (all the objects in the ROT will */
/* be removed evry time the ROT is removed ) */
runningObjectTableInstance->ref = 1;
/* allocate space memory for the table witch contains all the running objects */
runningObjectTableInstance->runObjTab = HeapAlloc(GetProcessHeap(), 0, sizeof(RunObject[BLOCK_TAB_SIZE]));
if (runningObjectTableInstance->runObjTab == NULL)
return E_OUTOFMEMORY;
runningObjectTableInstance->runObjTabSize=BLOCK_TAB_SIZE;
runningObjectTableInstance->runObjTabRegister=0;
runningObjectTableInstance->runObjTabLastIndx=0;
return S_OK;
}
/***********************************************************************
* RunningObjectTable_UnInitialize
*/
HRESULT WINAPI RunningObjectTableImpl_UnInitialize()
{
TRACE(ole,"()\n");
if (runningObjectTableInstance==NULL)
return E_POINTER;
RunningObjectTableImpl_Release((IRunningObjectTable*)runningObjectTableInstance);
RunningObjectTableImpl_Destroy();
return S_OK;
}
/***********************************************************************
* RunningObjectTable_Register
*/
HRESULT WINAPI RunningObjectTableImpl_Register(IRunningObjectTable* iface,
DWORD grfFlags, /* Registration options */
IUnknown *punkObject, /* Pointer to the object being registered */
IMoniker *pmkObjectName, /* Pointer to the moniker of the object being registered */
DWORD *pdwRegister) /* Pointer to the value identifying the registration */
{
HRESULT res=S_OK;
ICOM_THIS(RunningObjectTableImpl,iface);
TRACE(ole,"(%p,%ld,%p,%p,%p)\n",This,grfFlags,punkObject,pmkObjectName,pdwRegister);
/* there's only tow 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) )
return E_INVALIDARG;
if (punkObject==NULL || pmkObjectName==NULL || pdwRegister==NULL)
return E_INVALIDARG;
/* verify if the object to be registred was registred befor */
if (RunningObjectTableImpl_GetObjectIndex(This,-1,pmkObjectName,NULL)==S_OK)
res = MK_S_MONIKERALREADYREGISTERED;
/* put the new registred object in the first free element in the table */
This->runObjTab[This->runObjTabLastIndx].pObj = punkObject;
This->runObjTab[This->runObjTabLastIndx].pmkObj = pmkObjectName;
This->runObjTab[This->runObjTabLastIndx].regTypeObj = grfFlags;
This->runObjTab[This->runObjTabLastIndx].identRegObj = This->runObjTabRegister;
CoFileTimeNow(&(This->runObjTab[This->runObjTabLastIndx].lastModifObj));
/* gives a registration identifier to the registred object*/
(*pdwRegister)= This->runObjTabRegister;
if (This->runObjTabRegister == 0xFFFFFFFF){
FIXME(ole,"runObjTabRegister: %ld is out of data limite \n",This->runObjTabRegister);
return E_FAIL;
}
This->runObjTabRegister++;
This->runObjTabLastIndx++;
if (This->runObjTabLastIndx == This->runObjTabSize){ /* table is full ! so it must be resized */
This->runObjTabSize+=BLOCK_TAB_SIZE; /* newsize table */
This->runObjTab=HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,This->runObjTab,
This->runObjTabSize * sizeof(RunObject));
if (!This->runObjTab)
return E_OUTOFMEMORY;
}
/* add a reference to the object in the strong registration case */
if ((grfFlags & ROTFLAGS_REGISTRATIONKEEPSALIVE) !=0 )
IUnknown_AddRef(punkObject);
IMoniker_AddRef(pmkObjectName);
return res;
}
/***********************************************************************
* RunningObjectTable_Revoke
*/
HRESULT WINAPI RunningObjectTableImpl_Revoke( IRunningObjectTable* iface,
DWORD dwRegister) /* Value identifying registration to be revoked*/
{
DWORD index,j;
ICOM_THIS(RunningObjectTableImpl,iface);
TRACE(ole,"(%p,%ld)\n",This,dwRegister);
/* verify if the object to be revoked was registred befor or not */
if (RunningObjectTableImpl_GetObjectIndex(This,dwRegister,NULL,&index)==S_FALSE)
return E_INVALIDARG;
/* release the object if it was registred with a strong registrantion option */
if ((This->runObjTab[index].regTypeObj & ROTFLAGS_REGISTRATIONKEEPSALIVE)!=0)
IUnknown_Release(This->runObjTab[index].pObj);
IMoniker_Release(This->runObjTab[index].pmkObj);
/* remove the object from the table */
for(j=index; j<This->runObjTabLastIndx-1; j++)
This->runObjTab[j]= This->runObjTab[j+1];
This->runObjTabLastIndx--;
return S_OK;
}
/***********************************************************************
* RunningObjectTable_IsRunning
*/
HRESULT WINAPI RunningObjectTableImpl_IsRunning( IRunningObjectTable* iface,
IMoniker *pmkObjectName) /* Pointer to the moniker of the object whose status is desired */
{
ICOM_THIS(RunningObjectTableImpl,iface);
TRACE(ole,"(%p,%p)\n",This,pmkObjectName);
return RunningObjectTableImpl_GetObjectIndex(This,-1,pmkObjectName,NULL);
}
/***********************************************************************
* RunningObjectTable_GetObject
*/
HRESULT WINAPI RunningObjectTableImpl_GetObject( IRunningObjectTable* iface,
IMoniker *pmkObjectName,/* Pointer to the moniker on the object */
IUnknown **ppunkObject) /* Address of output variable that receives the IUnknown interface pointer */
{
DWORD index;
ICOM_THIS(RunningObjectTableImpl,iface);
TRACE(ole,"(%p,%p,%p)\n",This,pmkObjectName,ppunkObject);
if (ppunkObject==NULL)
return E_POINTER;
*ppunkObject=0;
/* verify if the object was registred befor or not */
if (RunningObjectTableImpl_GetObjectIndex(This,-1,pmkObjectName,&index)==S_FALSE)
return MK_E_UNAVAILABLE;
/* add a reference to the object then set output object argument */
IUnknown_AddRef(This->runObjTab[index].pObj);
*ppunkObject=This->runObjTab[index].pObj;
return S_OK;
}
/***********************************************************************
* RunningObjectTable_NoteChangeTime
*/
HRESULT WINAPI RunningObjectTableImpl_NoteChangeTime(IRunningObjectTable* iface,
DWORD dwRegister, /* Value identifying registration being updated */
FILETIME *pfiletime) /* Pointer to structure containing object's last change time */
{
DWORD index=-1;
ICOM_THIS(RunningObjectTableImpl,iface);
TRACE(ole,"(%p,%ld,%p)\n",This,dwRegister,pfiletime);
/* verify if the object to be changed was registred befor or not */
if (RunningObjectTableImpl_GetObjectIndex(This,dwRegister,NULL,&index)==S_FALSE)
return E_INVALIDARG;
/* set the new value of the last time change */
This->runObjTab[index].lastModifObj= (*pfiletime);
return S_OK;
}
/***********************************************************************
* RunningObjectTable_GetTimeOfLastChange
*/
HRESULT WINAPI RunningObjectTableImpl_GetTimeOfLastChange(IRunningObjectTable* iface,
IMoniker *pmkObjectName, /* Pointer to moniker on the object whose status is desired */
FILETIME *pfiletime) /* Pointer to structure that receives object's last change time */
{
DWORD index=-1;
ICOM_THIS(RunningObjectTableImpl,iface);
TRACE(ole,"(%p,%p,%p)\n",This,pmkObjectName,pfiletime);
if (pmkObjectName==NULL || pfiletime==NULL)
return E_INVALIDARG;
/* verify if the object was registred befor or not */
if (RunningObjectTableImpl_GetObjectIndex(This,-1,pmkObjectName,&index)==S_FALSE)
return MK_E_UNAVAILABLE;;
(*pfiletime)= This->runObjTab[index].lastModifObj;
return S_OK;
}
/***********************************************************************
* RunningObjectTable_EnumRunning
*/
HRESULT WINAPI RunningObjectTableImpl_EnumRunning(IRunningObjectTable* iface,
IEnumMoniker **ppenumMoniker) /* Address of output variable that receives the IEnumMoniker interface pointer */
{
FIXME(ole,"(%p,%p) needs the IEnumMoniker implementation \n",iface,ppenumMoniker);
return E_NOTIMPL;
}
/***********************************************************************
* GetObjectIndex
*/
HRESULT WINAPI RunningObjectTableImpl_GetObjectIndex(RunningObjectTableImpl* This,
DWORD identReg,
IMoniker* pmk,
DWORD *indx)
{
DWORD i;
TRACE(ole,"(%p,%ld,%p,%p)\n",This,identReg,pmk,indx);
if (pmk!=NULL)
/* search object identified by a moniker*/
for(i=0 ; (i < This->runObjTabLastIndx) &&(!IMoniker_IsEqual(This->runObjTab[i].pmkObj,pmk)==S_OK);i++);
else
/* search object identified by a register identifier*/
for(i=0;((i<This->runObjTabLastIndx)&&(This->runObjTab[i].identRegObj!=identReg));i++);
if (i==This->runObjTabLastIndx) return S_FALSE;
if (indx != NULL) *indx=i;
return S_OK;
}
/******************************************************************************
* GetRunningObjectTable16 [OLE2.30]
*/
HRESULT WINAPI GetRunningObjectTable16(DWORD reserved, LPVOID *pprot)
{
FIXME(ole,"(%ld,%p),stub!\n",reserved,pprot);
return E_NOTIMPL;
}
/***********************************************************************
* GetRunningObjectTable (OLE2.73)
*/
HRESULT WINAPI GetRunningObjectTable(DWORD reserved, LPVOID *pprot)
{
IID riid=IID_IRunningObjectTable;
HRESULT res;
TRACE(ole,"()\n");
if (reserved!=0)
return E_UNEXPECTED;
if(runningObjectTableInstance==NULL)
return CO_E_NOTINITIALIZED;
res = RunningObjectTableImpl_QueryInterface((IRunningObjectTable*)runningObjectTableInstance,&riid,(void**)pprot);
return res;
}
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