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Sweden-Number/dlls/ole32/pointermoniker.c

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/*
* Pointer Moniker Implementation
*
* Copyright 1999 Noomen Hamza
* Copyright 2008 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <string.h>
#define COBJMACROS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winuser.h"
#include "objbase.h"
#include "oleidl.h"
#include "wine/debug.h"
#include "wine/heap.h"
#include "moniker.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
/* PointerMoniker data structure */
typedef struct PointerMonikerImpl
{
IMoniker IMoniker_iface;
IMarshal IMarshal_iface;
LONG refcount;
IUnknown *pObject;
} PointerMonikerImpl;
static inline PointerMonikerImpl *impl_from_IMoniker(IMoniker *iface)
{
return CONTAINING_RECORD(iface, PointerMonikerImpl, IMoniker_iface);
}
static PointerMonikerImpl *impl_from_IMarshal(IMarshal *iface)
{
return CONTAINING_RECORD(iface, PointerMonikerImpl, IMarshal_iface);
}
static PointerMonikerImpl *unsafe_impl_from_IMoniker(IMoniker *iface);
static HRESULT WINAPI PointerMonikerImpl_QueryInterface(IMoniker *iface, REFIID riid, void **ppvObject)
{
PointerMonikerImpl *moniker = impl_from_IMoniker(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), ppvObject);
if (!ppvObject)
return E_INVALIDARG;
*ppvObject = 0;
if (IsEqualIID(&IID_IUnknown, riid) ||
IsEqualIID(&IID_IPersist, riid) ||
IsEqualIID(&IID_IPersistStream, riid) ||
IsEqualIID(&IID_IMoniker, riid) ||
IsEqualGUID(&CLSID_PointerMoniker, riid))
{
*ppvObject = iface;
}
else if (IsEqualIID(&IID_IMarshal, riid))
*ppvObject = &moniker->IMarshal_iface;
if (!*ppvObject)
return E_NOINTERFACE;
IMoniker_AddRef(iface);
return S_OK;
}
static ULONG WINAPI PointerMonikerImpl_AddRef(IMoniker *iface)
{
PointerMonikerImpl *moniker = impl_from_IMoniker(iface);
ULONG refcount = InterlockedIncrement(&moniker->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
return refcount;
}
static ULONG WINAPI PointerMonikerImpl_Release(IMoniker *iface)
{
PointerMonikerImpl *moniker = impl_from_IMoniker(iface);
ULONG refcount = InterlockedDecrement(&moniker->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
if (!refcount)
{
if (moniker->pObject) IUnknown_Release(moniker->pObject);
heap_free(moniker);
}
return refcount;
}
/******************************************************************************
* PointerMoniker_GetClassID
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_GetClassID(IMoniker* iface,CLSID *pClassID)
{
TRACE("(%p,%p)\n",iface,pClassID);
if (pClassID==NULL)
return E_POINTER;
*pClassID = CLSID_PointerMoniker;
return S_OK;
}
/******************************************************************************
* PointerMoniker_IsDirty
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_IsDirty(IMoniker* iface)
{
/* Note that the OLE-provided implementations of the IPersistStream::IsDirty
method in the OLE-provided moniker interfaces always return S_FALSE because
their internal state never changes. */
TRACE("(%p)\n",iface);
return S_FALSE;
}
/******************************************************************************
* PointerMoniker_Load
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_Load(IMoniker* iface,IStream* pStm)
{
TRACE("(%p)\n", pStm);
return E_NOTIMPL;
}
/******************************************************************************
* PointerMoniker_Save
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty)
{
TRACE("(%p, %d)\n", pStm, fClearDirty);
return E_NOTIMPL;
}
/******************************************************************************
* PointerMoniker_GetSizeMax
*
* PARAMS
* pcbSize [out] Pointer to size of stream needed to save object
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize)
{
TRACE("(%p,%p)\n",iface,pcbSize);
if (!pcbSize)
return E_POINTER;
pcbSize->u.LowPart = 0;
pcbSize->u.HighPart = 0;
return E_NOTIMPL;
}
/******************************************************************************
* PointerMoniker_BindToObject
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_BindToObject(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
REFIID riid, VOID** ppvResult)
{
PointerMonikerImpl *This = impl_from_IMoniker(iface);
TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvResult);
if (!This->pObject)
return E_UNEXPECTED;
return IUnknown_QueryInterface(This->pObject, riid, ppvResult);
}
/******************************************************************************
* PointerMoniker_BindToStorage
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_BindToStorage(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
REFIID riid, VOID** ppvResult)
{
PointerMonikerImpl *This = impl_from_IMoniker(iface);
TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvResult);
if (!This->pObject)
return E_UNEXPECTED;
return IUnknown_QueryInterface(This->pObject, riid, ppvResult);
}
/******************************************************************************
* PointerMoniker_Reduce
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_Reduce(IMoniker* iface, IBindCtx* pbc, DWORD dwReduceHowFar,
IMoniker** ppmkToLeft, IMoniker** ppmkReduced)
{
TRACE("(%p,%p,%d,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
if (ppmkReduced==NULL)
return E_POINTER;
PointerMonikerImpl_AddRef(iface);
*ppmkReduced=iface;
return MK_S_REDUCED_TO_SELF;
}
static HRESULT WINAPI PointerMonikerImpl_ComposeWith(IMoniker *iface, IMoniker *right,
BOOL only_if_not_generic, IMoniker **result)
{
DWORD order;
TRACE("%p, %p, %d, %p.\n", iface, right, only_if_not_generic, result);
if (!result || !right)
return E_POINTER;
*result = NULL;
if (is_anti_moniker(right, &order))
return order > 1 ? create_anti_moniker(order - 1, result) : S_OK;
return only_if_not_generic ? MK_E_NEEDGENERIC : CreateGenericComposite(iface, right, result);
}
/******************************************************************************
* PointerMoniker_Enum
******************************************************************************/
static HRESULT WINAPI PointerMonikerImpl_Enum(IMoniker *iface, BOOL fForward, IEnumMoniker **ppenumMoniker)
{
TRACE("%p, %d, %p.\n", iface, fForward, ppenumMoniker);
if (!ppenumMoniker)
return E_POINTER;
*ppenumMoniker = NULL;
return E_NOTIMPL;
}
/******************************************************************************
* PointerMoniker_IsEqual
******************************************************************************/
static HRESULT WINAPI PointerMonikerImpl_IsEqual(IMoniker *iface, IMoniker *other)
{
PointerMonikerImpl *moniker = impl_from_IMoniker(iface), *other_moniker;
TRACE("%p, %p.\n", iface, other);
if (!other)
return E_INVALIDARG;
other_moniker = unsafe_impl_from_IMoniker(other);
if (!other_moniker)
return S_FALSE;
return moniker->pObject == other_moniker->pObject ? S_OK : S_FALSE;
}
/******************************************************************************
* PointerMoniker_Hash
******************************************************************************/
static HRESULT WINAPI PointerMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
{
PointerMonikerImpl *This = impl_from_IMoniker(iface);
if (pdwHash==NULL)
return E_POINTER;
*pdwHash = PtrToUlong(This->pObject);
return S_OK;
}
/******************************************************************************
* PointerMoniker_IsRunning
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_IsRunning(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
IMoniker* pmkNewlyRunning)
{
TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
return S_OK;
}
/******************************************************************************
* PointerMoniker_GetTimeOfLastChange
******************************************************************************/
static HRESULT WINAPI PointerMonikerImpl_GetTimeOfLastChange(IMoniker* iface,
IBindCtx* pbc,
IMoniker* pmkToLeft,
FILETIME* pAntiTime)
{
TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pAntiTime);
return E_NOTIMPL;
}
/******************************************************************************
* PointerMoniker_Inverse
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
{
TRACE("(%p,%p)\n",iface,ppmk);
return CreateAntiMoniker(ppmk);
}
/******************************************************************************
* PointerMoniker_CommonPrefixWith
******************************************************************************/
static HRESULT WINAPI PointerMonikerImpl_CommonPrefixWith(IMoniker *iface, IMoniker *other, IMoniker **prefix)
{
TRACE("%p, %p, %p.\n", iface, other, prefix);
if (!prefix || !other)
return E_INVALIDARG;
*prefix = NULL;
if (PointerMonikerImpl_IsEqual(iface, other) == S_OK)
{
IMoniker_AddRef(iface);
*prefix = iface;
return MK_S_US;
}
else
return MK_E_NOPREFIX;
}
/******************************************************************************
* PointerMoniker_RelativePathTo
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
{
TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
if (ppmkRelPath==NULL)
return E_POINTER;
*ppmkRelPath = NULL;
return E_NOTIMPL;
}
/******************************************************************************
* PointerMoniker_GetDisplayName
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_GetDisplayName(IMoniker* iface, IBindCtx* pbc,
IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName)
{
TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
if (ppszDisplayName==NULL)
return E_POINTER;
*ppszDisplayName = NULL;
return E_NOTIMPL;
}
/******************************************************************************
* PointerMoniker_ParseDisplayName
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_ParseDisplayName(IMoniker* iface, IBindCtx* pbc,
IMoniker* pmkToLeft, LPOLESTR pszDisplayName,
ULONG* pchEaten, IMoniker** ppmkOut)
{
PointerMonikerImpl *This = impl_from_IMoniker(iface);
HRESULT hr;
IParseDisplayName *pPDN;
TRACE("(%p,%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pszDisplayName,pchEaten,ppmkOut);
if (pmkToLeft)
return MK_E_SYNTAX;
if (!This->pObject)
return E_UNEXPECTED;
hr = IUnknown_QueryInterface(This->pObject, &IID_IParseDisplayName, (void **)&pPDN);
if (FAILED(hr))
return hr;
hr = IParseDisplayName_ParseDisplayName(pPDN, pbc, pszDisplayName, pchEaten, ppmkOut);
IParseDisplayName_Release(pPDN);
return hr;
}
/******************************************************************************
* PointerMoniker_IsSystemMoniker
******************************************************************************/
static HRESULT WINAPI
PointerMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
{
TRACE("(%p,%p)\n",iface,pwdMksys);
if (!pwdMksys)
return E_POINTER;
*pwdMksys = MKSYS_POINTERMONIKER;
return S_OK;
}
/********************************************************************************/
/* Virtual function table for the PointerMonikerImpl class which include IPersist,*/
/* IPersistStream and IMoniker functions. */
static const IMonikerVtbl VT_PointerMonikerImpl =
{
PointerMonikerImpl_QueryInterface,
PointerMonikerImpl_AddRef,
PointerMonikerImpl_Release,
PointerMonikerImpl_GetClassID,
PointerMonikerImpl_IsDirty,
PointerMonikerImpl_Load,
PointerMonikerImpl_Save,
PointerMonikerImpl_GetSizeMax,
PointerMonikerImpl_BindToObject,
PointerMonikerImpl_BindToStorage,
PointerMonikerImpl_Reduce,
PointerMonikerImpl_ComposeWith,
PointerMonikerImpl_Enum,
PointerMonikerImpl_IsEqual,
PointerMonikerImpl_Hash,
PointerMonikerImpl_IsRunning,
PointerMonikerImpl_GetTimeOfLastChange,
PointerMonikerImpl_Inverse,
PointerMonikerImpl_CommonPrefixWith,
PointerMonikerImpl_RelativePathTo,
PointerMonikerImpl_GetDisplayName,
PointerMonikerImpl_ParseDisplayName,
PointerMonikerImpl_IsSystemMoniker
};
static PointerMonikerImpl *unsafe_impl_from_IMoniker(IMoniker *iface)
{
if (iface->lpVtbl != &VT_PointerMonikerImpl)
return NULL;
return CONTAINING_RECORD(iface, PointerMonikerImpl, IMoniker_iface);
}
static HRESULT WINAPI pointer_moniker_marshal_QueryInterface(IMarshal *iface, REFIID riid, LPVOID *ppv)
{
PointerMonikerImpl *moniker = impl_from_IMarshal(iface);
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), ppv);
return IMoniker_QueryInterface(&moniker->IMoniker_iface, riid, ppv);
}
static ULONG WINAPI pointer_moniker_marshal_AddRef(IMarshal *iface)
{
PointerMonikerImpl *moniker = impl_from_IMarshal(iface);
TRACE("%p.\n",iface);
return IMoniker_AddRef(&moniker->IMoniker_iface);
}
static ULONG WINAPI pointer_moniker_marshal_Release(IMarshal *iface)
{
PointerMonikerImpl *moniker = impl_from_IMarshal(iface);
TRACE("%p.\n",iface);
return IMoniker_Release(&moniker->IMoniker_iface);
}
static HRESULT WINAPI pointer_moniker_marshal_GetUnmarshalClass(IMarshal *iface, REFIID riid, void *pv,
DWORD dwDestContext, void *pvDestContext, DWORD mshlflags, CLSID *clsid)
{
PointerMonikerImpl *moniker = impl_from_IMarshal(iface);
TRACE("%p, %s, %p, %x, %p, %x, %p.\n", iface, debugstr_guid(riid), pv, dwDestContext, pvDestContext,
mshlflags, clsid);
return IMoniker_GetClassID(&moniker->IMoniker_iface, clsid);
}
static HRESULT WINAPI pointer_moniker_marshal_GetMarshalSizeMax(IMarshal *iface, REFIID riid, void *pv,
DWORD dwDestContext, void *pvDestContext, DWORD mshlflags, DWORD *size)
{
PointerMonikerImpl *moniker = impl_from_IMarshal(iface);
TRACE("%p, %s, %p, %d, %p, %#x, %p.\n", iface, debugstr_guid(riid), pv, dwDestContext, pvDestContext,
mshlflags, size);
return CoGetMarshalSizeMax(size, &IID_IUnknown, moniker->pObject, dwDestContext, pvDestContext, mshlflags);
}
static HRESULT WINAPI pointer_moniker_marshal_MarshalInterface(IMarshal *iface, IStream *stream, REFIID riid,
void *pv, DWORD dwDestContext, void *pvDestContext, DWORD mshlflags)
{
PointerMonikerImpl *moniker = impl_from_IMarshal(iface);
TRACE("%p, %s, %p, %x, %p, %x.\n", stream, debugstr_guid(riid), pv,
dwDestContext, pvDestContext, mshlflags);
return CoMarshalInterface(stream, &IID_IUnknown, moniker->pObject, dwDestContext,
pvDestContext, mshlflags);
}
static HRESULT WINAPI pointer_moniker_marshal_UnmarshalInterface(IMarshal *iface, IStream *stream,
REFIID riid, void **ppv)
{
PointerMonikerImpl *moniker = impl_from_IMarshal(iface);
IUnknown *object;
HRESULT hr;
TRACE("%p, %p, %s, %p.\n", iface, stream, debugstr_guid(riid), ppv);
hr = CoUnmarshalInterface(stream, &IID_IUnknown, (void **)&object);
if (FAILED(hr))
{
ERR("Couldn't unmarshal moniker, hr = %#x.\n", hr);
return hr;
}
if (moniker->pObject)
IUnknown_Release(moniker->pObject);
moniker->pObject = object;
return IMoniker_QueryInterface(&moniker->IMoniker_iface, riid, ppv);
}
static HRESULT WINAPI pointer_moniker_marshal_ReleaseMarshalData(IMarshal *iface, IStream *stream)
{
TRACE("%p, %p.\n", iface, stream);
return S_OK;
}
static HRESULT WINAPI pointer_moniker_marshal_DisconnectObject(IMarshal *iface, DWORD reserved)
{
TRACE("%p, %#x.\n", iface, reserved);
return S_OK;
}
static const IMarshalVtbl pointer_moniker_marshal_vtbl =
{
pointer_moniker_marshal_QueryInterface,
pointer_moniker_marshal_AddRef,
pointer_moniker_marshal_Release,
pointer_moniker_marshal_GetUnmarshalClass,
pointer_moniker_marshal_GetMarshalSizeMax,
pointer_moniker_marshal_MarshalInterface,
pointer_moniker_marshal_UnmarshalInterface,
pointer_moniker_marshal_ReleaseMarshalData,
pointer_moniker_marshal_DisconnectObject
};
/***********************************************************************
* CreatePointerMoniker (OLE32.@)
*/
HRESULT WINAPI CreatePointerMoniker(IUnknown *object, IMoniker **ret)
{
PointerMonikerImpl *moniker;
TRACE("(%p, %p)\n", object, ret);
if (!ret)
return E_INVALIDARG;
moniker = heap_alloc(sizeof(*moniker));
if (!moniker)
{
*ret = NULL;
return E_OUTOFMEMORY;
}
moniker->IMoniker_iface.lpVtbl = &VT_PointerMonikerImpl;
moniker->IMarshal_iface.lpVtbl = &pointer_moniker_marshal_vtbl;
moniker->refcount = 1;
moniker->pObject = object;
if (moniker->pObject)
IUnknown_AddRef(moniker->pObject);
*ret = &moniker->IMoniker_iface;
return S_OK;
}
HRESULT WINAPI PointerMoniker_CreateInstance(IClassFactory *iface,
IUnknown *pUnk, REFIID riid, void **ppv)
{
IMoniker *pMoniker;
HRESULT hr;
TRACE("(%p, %s, %p)\n", pUnk, debugstr_guid(riid), ppv);
*ppv = NULL;
if (pUnk)
return CLASS_E_NOAGGREGATION;
hr = CreatePointerMoniker(NULL, &pMoniker);
if (FAILED(hr))
return hr;
hr = IMoniker_QueryInterface(pMoniker, riid, ppv);
IMoniker_Release(pMoniker);
return hr;
}
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