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[wine.git] / dlls / ole32 / pointermoniker.c
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1 /*
2 * Pointer Moniker Implementation
4 * Copyright 1999 Noomen Hamza
5 * Copyright 2008 Robert Shearman (for CodeWeavers)
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include <stdarg.h>
23 #include <string.h>
25 #define COBJMACROS
26 #define NONAMELESSUNION
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winerror.h"
31 #include "winuser.h"
32 #include "objbase.h"
33 #include "oleidl.h"
34 #include "wine/debug.h"
35 #include "moniker.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(ole);
39 /* PointerMoniker data structure */
40 typedef struct PointerMonikerImpl{
42 IMoniker IMoniker_iface;
44 LONG ref; /* reference counter for this object */
46 IUnknown *pObject; /* custom marshaler */
47 } PointerMonikerImpl;
49 static inline PointerMonikerImpl *impl_from_IMoniker(IMoniker *iface)
51 return CONTAINING_RECORD(iface, PointerMonikerImpl, IMoniker_iface);
54 static HRESULT WINAPI
55 PointerMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
57 PointerMonikerImpl *This = impl_from_IMoniker(iface);
59 TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
61 /* Perform a sanity check on the parameters.*/
62 if ( (This==0) || (ppvObject==0) )
63 return E_INVALIDARG;
65 /* Initialize the return parameter */
66 *ppvObject = 0;
68 /* Compare the riid with the interface IDs implemented by this object.*/
69 if (IsEqualIID(&IID_IUnknown, riid) ||
70 IsEqualIID(&IID_IPersist, riid) ||
71 IsEqualIID(&IID_IPersistStream, riid) ||
72 IsEqualIID(&IID_IMoniker, riid))
73 *ppvObject = iface;
75 /* Check that we obtained an interface.*/
76 if ((*ppvObject)==0)
77 return E_NOINTERFACE;
79 /* always increase the reference count by one when it is successful */
80 IMoniker_AddRef(iface);
82 return S_OK;
85 /******************************************************************************
86 * PointerMoniker_AddRef
87 ******************************************************************************/
88 static ULONG WINAPI
89 PointerMonikerImpl_AddRef(IMoniker* iface)
91 PointerMonikerImpl *This = impl_from_IMoniker(iface);
93 TRACE("(%p)\n",This);
95 return InterlockedIncrement(&This->ref);
98 /******************************************************************************
99 * PointerMoniker_Release
100 ******************************************************************************/
101 static ULONG WINAPI
102 PointerMonikerImpl_Release(IMoniker* iface)
104 PointerMonikerImpl *This = impl_from_IMoniker(iface);
105 ULONG ref;
107 TRACE("(%p)\n",This);
109 ref = InterlockedDecrement(&This->ref);
111 /* destroy the object if there are no more references on it */
112 if (ref == 0)
114 if (This->pObject) IUnknown_Release(This->pObject);
115 HeapFree(GetProcessHeap(),0,This);
118 return ref;
121 /******************************************************************************
122 * PointerMoniker_GetClassID
123 ******************************************************************************/
124 static HRESULT WINAPI
125 PointerMonikerImpl_GetClassID(IMoniker* iface,CLSID *pClassID)
127 TRACE("(%p,%p)\n",iface,pClassID);
129 if (pClassID==NULL)
130 return E_POINTER;
132 *pClassID = CLSID_PointerMoniker;
134 return S_OK;
137 /******************************************************************************
138 * PointerMoniker_IsDirty
139 ******************************************************************************/
140 static HRESULT WINAPI
141 PointerMonikerImpl_IsDirty(IMoniker* iface)
143 /* Note that the OLE-provided implementations of the IPersistStream::IsDirty
144 method in the OLE-provided moniker interfaces always return S_FALSE because
145 their internal state never changes. */
147 TRACE("(%p)\n",iface);
149 return S_FALSE;
152 /******************************************************************************
153 * PointerMoniker_Load
154 ******************************************************************************/
155 static HRESULT WINAPI
156 PointerMonikerImpl_Load(IMoniker* iface,IStream* pStm)
158 TRACE("(%p)\n", pStm);
160 return E_NOTIMPL;
163 /******************************************************************************
164 * PointerMoniker_Save
165 ******************************************************************************/
166 static HRESULT WINAPI
167 PointerMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty)
169 TRACE("(%p, %d)\n", pStm, fClearDirty);
171 return E_NOTIMPL;
174 /******************************************************************************
175 * PointerMoniker_GetSizeMax
177 * PARAMS
178 * pcbSize [out] Pointer to size of stream needed to save object
179 ******************************************************************************/
180 static HRESULT WINAPI
181 PointerMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize)
183 TRACE("(%p,%p)\n",iface,pcbSize);
185 if (!pcbSize)
186 return E_POINTER;
188 pcbSize->u.LowPart = 0;
189 pcbSize->u.HighPart = 0;
191 return E_NOTIMPL;
194 /******************************************************************************
195 * PointerMoniker_BindToObject
196 ******************************************************************************/
197 static HRESULT WINAPI
198 PointerMonikerImpl_BindToObject(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
199 REFIID riid, VOID** ppvResult)
201 PointerMonikerImpl *This = impl_from_IMoniker(iface);
203 TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
205 if (!This->pObject)
206 return E_UNEXPECTED;
208 return IUnknown_QueryInterface(This->pObject, riid, ppvResult);
211 /******************************************************************************
212 * PointerMoniker_BindToStorage
213 ******************************************************************************/
214 static HRESULT WINAPI
215 PointerMonikerImpl_BindToStorage(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
216 REFIID riid, VOID** ppvResult)
218 PointerMonikerImpl *This = impl_from_IMoniker(iface);
220 TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
222 if (!This->pObject)
223 return E_UNEXPECTED;
225 return IUnknown_QueryInterface(This->pObject, riid, ppvResult);
228 /******************************************************************************
229 * PointerMoniker_Reduce
230 ******************************************************************************/
231 static HRESULT WINAPI
232 PointerMonikerImpl_Reduce(IMoniker* iface, IBindCtx* pbc, DWORD dwReduceHowFar,
233 IMoniker** ppmkToLeft, IMoniker** ppmkReduced)
235 TRACE("(%p,%p,%d,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
237 if (ppmkReduced==NULL)
238 return E_POINTER;
240 PointerMonikerImpl_AddRef(iface);
242 *ppmkReduced=iface;
244 return MK_S_REDUCED_TO_SELF;
246 /******************************************************************************
247 * PointerMoniker_ComposeWith
248 ******************************************************************************/
249 static HRESULT WINAPI
250 PointerMonikerImpl_ComposeWith(IMoniker* iface, IMoniker* pmkRight,
251 BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite)
254 HRESULT res=S_OK;
255 DWORD mkSys,mkSys2;
256 IEnumMoniker* penumMk=0;
257 IMoniker *pmostLeftMk=0;
258 IMoniker* tempMkComposite=0;
260 TRACE("(%p,%d,%p)\n", pmkRight, fOnlyIfNotGeneric, ppmkComposite);
262 if ((ppmkComposite==NULL)||(pmkRight==NULL))
263 return E_POINTER;
265 *ppmkComposite=0;
267 IMoniker_IsSystemMoniker(pmkRight,&mkSys);
269 /* If pmkRight is an anti-moniker, the returned moniker is NULL */
270 if(mkSys==MKSYS_ANTIMONIKER)
271 return res;
273 else
274 /* if pmkRight is a composite whose leftmost component is an anti-moniker, */
275 /* the returned moniker is the composite after the leftmost anti-moniker is removed. */
277 if(mkSys==MKSYS_GENERICCOMPOSITE){
279 res=IMoniker_Enum(pmkRight,TRUE,&penumMk);
281 if (FAILED(res))
282 return res;
284 res=IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL);
286 IMoniker_IsSystemMoniker(pmostLeftMk,&mkSys2);
288 if(mkSys2==MKSYS_ANTIMONIKER){
290 IMoniker_Release(pmostLeftMk);
292 tempMkComposite=iface;
293 IMoniker_AddRef(iface);
295 while(IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL)==S_OK){
297 res=CreateGenericComposite(tempMkComposite,pmostLeftMk,ppmkComposite);
299 IMoniker_Release(tempMkComposite);
300 IMoniker_Release(pmostLeftMk);
302 tempMkComposite=*ppmkComposite;
303 IMoniker_AddRef(tempMkComposite);
305 return res;
307 else
308 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
310 /* If pmkRight is not an anti-moniker, the method combines the two monikers into a generic
311 composite if fOnlyIfNotGeneric is FALSE; if fOnlyIfNotGeneric is TRUE, the method returns
312 a NULL moniker and a return value of MK_E_NEEDGENERIC */
313 else
314 if (!fOnlyIfNotGeneric)
315 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
317 else
318 return MK_E_NEEDGENERIC;
321 /******************************************************************************
322 * PointerMoniker_Enum
323 ******************************************************************************/
324 static HRESULT WINAPI
325 PointerMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
327 TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
329 if (ppenumMoniker == NULL)
330 return E_POINTER;
332 *ppenumMoniker = NULL;
334 return S_OK;
337 /******************************************************************************
338 * PointerMoniker_IsEqual
339 ******************************************************************************/
340 static HRESULT WINAPI
341 PointerMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
343 PointerMonikerImpl *This = impl_from_IMoniker(iface);
344 DWORD mkSys;
346 TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
348 if (pmkOtherMoniker==NULL)
349 return S_FALSE;
351 IMoniker_IsSystemMoniker(pmkOtherMoniker,&mkSys);
353 if (mkSys==MKSYS_POINTERMONIKER)
355 PointerMonikerImpl *pOtherMoniker = impl_from_IMoniker(pmkOtherMoniker);
356 return This->pObject == pOtherMoniker->pObject ? S_OK : S_FALSE;
358 else
359 return S_FALSE;
362 /******************************************************************************
363 * PointerMoniker_Hash
364 ******************************************************************************/
365 static HRESULT WINAPI PointerMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
367 PointerMonikerImpl *This = impl_from_IMoniker(iface);
369 if (pdwHash==NULL)
370 return E_POINTER;
372 *pdwHash = PtrToUlong(This->pObject);
374 return S_OK;
377 /******************************************************************************
378 * PointerMoniker_IsRunning
379 ******************************************************************************/
380 static HRESULT WINAPI
381 PointerMonikerImpl_IsRunning(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
382 IMoniker* pmkNewlyRunning)
384 TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
386 return S_OK;
389 /******************************************************************************
390 * PointerMoniker_GetTimeOfLastChange
391 ******************************************************************************/
392 static HRESULT WINAPI PointerMonikerImpl_GetTimeOfLastChange(IMoniker* iface,
393 IBindCtx* pbc,
394 IMoniker* pmkToLeft,
395 FILETIME* pAntiTime)
397 TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pAntiTime);
398 return E_NOTIMPL;
401 /******************************************************************************
402 * PointerMoniker_Inverse
403 ******************************************************************************/
404 static HRESULT WINAPI
405 PointerMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
407 TRACE("(%p,%p)\n",iface,ppmk);
409 return CreateAntiMoniker(ppmk);
412 /******************************************************************************
413 * PointerMoniker_CommonPrefixWith
414 ******************************************************************************/
415 static HRESULT WINAPI
416 PointerMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
418 TRACE("(%p, %p)\n", pmkOther, ppmkPrefix);
420 *ppmkPrefix = NULL;
422 if (PointerMonikerImpl_IsEqual(iface, pmkOther))
424 IMoniker_AddRef(iface);
426 *ppmkPrefix=iface;
428 return MK_S_US;
430 else
431 return MK_E_NOPREFIX;
434 /******************************************************************************
435 * PointerMoniker_RelativePathTo
436 ******************************************************************************/
437 static HRESULT WINAPI
438 PointerMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
440 TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
442 if (ppmkRelPath==NULL)
443 return E_POINTER;
445 *ppmkRelPath = NULL;
447 return E_NOTIMPL;
450 /******************************************************************************
451 * PointerMoniker_GetDisplayName
452 ******************************************************************************/
453 static HRESULT WINAPI
454 PointerMonikerImpl_GetDisplayName(IMoniker* iface, IBindCtx* pbc,
455 IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName)
457 TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
459 if (ppszDisplayName==NULL)
460 return E_POINTER;
462 *ppszDisplayName = NULL;
463 return E_NOTIMPL;
466 /******************************************************************************
467 * PointerMoniker_ParseDisplayName
468 ******************************************************************************/
469 static HRESULT WINAPI
470 PointerMonikerImpl_ParseDisplayName(IMoniker* iface, IBindCtx* pbc,
471 IMoniker* pmkToLeft, LPOLESTR pszDisplayName,
472 ULONG* pchEaten, IMoniker** ppmkOut)
474 PointerMonikerImpl *This = impl_from_IMoniker(iface);
475 HRESULT hr;
476 IParseDisplayName *pPDN;
478 TRACE("(%p,%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pszDisplayName,pchEaten,ppmkOut);
480 if (pmkToLeft)
481 return MK_E_SYNTAX;
483 if (!This->pObject)
484 return E_UNEXPECTED;
486 hr = IUnknown_QueryInterface(This->pObject, &IID_IParseDisplayName, (void **)&pPDN);
487 if (FAILED(hr))
488 return hr;
490 hr = IParseDisplayName_ParseDisplayName(pPDN, pbc, pszDisplayName, pchEaten, ppmkOut);
491 IParseDisplayName_Release(pPDN);
493 return hr;
496 /******************************************************************************
497 * PointerMoniker_IsSystemMoniker
498 ******************************************************************************/
499 static HRESULT WINAPI
500 PointerMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
502 TRACE("(%p,%p)\n",iface,pwdMksys);
504 if (!pwdMksys)
505 return E_POINTER;
507 *pwdMksys = MKSYS_POINTERMONIKER;
509 return S_OK;
512 /********************************************************************************/
513 /* Virtual function table for the PointerMonikerImpl class which include IPersist,*/
514 /* IPersistStream and IMoniker functions. */
515 static const IMonikerVtbl VT_PointerMonikerImpl =
517 PointerMonikerImpl_QueryInterface,
518 PointerMonikerImpl_AddRef,
519 PointerMonikerImpl_Release,
520 PointerMonikerImpl_GetClassID,
521 PointerMonikerImpl_IsDirty,
522 PointerMonikerImpl_Load,
523 PointerMonikerImpl_Save,
524 PointerMonikerImpl_GetSizeMax,
525 PointerMonikerImpl_BindToObject,
526 PointerMonikerImpl_BindToStorage,
527 PointerMonikerImpl_Reduce,
528 PointerMonikerImpl_ComposeWith,
529 PointerMonikerImpl_Enum,
530 PointerMonikerImpl_IsEqual,
531 PointerMonikerImpl_Hash,
532 PointerMonikerImpl_IsRunning,
533 PointerMonikerImpl_GetTimeOfLastChange,
534 PointerMonikerImpl_Inverse,
535 PointerMonikerImpl_CommonPrefixWith,
536 PointerMonikerImpl_RelativePathTo,
537 PointerMonikerImpl_GetDisplayName,
538 PointerMonikerImpl_ParseDisplayName,
539 PointerMonikerImpl_IsSystemMoniker
542 /******************************************************************************
543 * PointerMoniker_Construct (local function)
544 *******************************************************************************/
545 static void PointerMonikerImpl_Construct(PointerMonikerImpl* This, IUnknown *punk)
547 TRACE("(%p)\n",This);
549 /* Initialize the virtual function table. */
550 This->IMoniker_iface.lpVtbl = &VT_PointerMonikerImpl;
551 This->ref = 1;
552 if (punk)
553 IUnknown_AddRef(punk);
554 This->pObject = punk;
557 /***********************************************************************
558 * CreatePointerMoniker (OLE32.@)
560 * Creates a moniker which represents a pointer.
562 * PARAMS
563 * punk [I] Pointer to the object to represent.
564 * ppmk [O] Address that receives the pointer to the created moniker.
566 * RETURNS
567 * Success: S_OK.
568 * Failure: Any HRESULT code.
570 HRESULT WINAPI CreatePointerMoniker(LPUNKNOWN punk, LPMONIKER *ppmk)
572 PointerMonikerImpl *This;
574 TRACE("(%p, %p)\n", punk, ppmk);
576 if (!ppmk)
577 return E_INVALIDARG;
579 This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
580 if (!This)
582 *ppmk = NULL;
583 return E_OUTOFMEMORY;
586 PointerMonikerImpl_Construct(This, punk);
587 *ppmk = &This->IMoniker_iface;
588 return S_OK;
591 static HRESULT WINAPI PointerMonikerCF_QueryInterface(LPCLASSFACTORY iface,
592 REFIID riid, LPVOID *ppv)
594 *ppv = NULL;
595 if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IClassFactory))
597 *ppv = iface;
598 IClassFactory_AddRef(iface);
599 return S_OK;
601 return E_NOINTERFACE;
604 static ULONG WINAPI PointerMonikerCF_AddRef(LPCLASSFACTORY iface)
606 return 2; /* non-heap based object */
609 static ULONG WINAPI PointerMonikerCF_Release(LPCLASSFACTORY iface)
611 return 1; /* non-heap based object */
614 static HRESULT WINAPI PointerMonikerCF_CreateInstance(LPCLASSFACTORY iface,
615 LPUNKNOWN pUnk, REFIID riid, LPVOID *ppv)
617 IMoniker *pMoniker;
618 HRESULT hr;
620 TRACE("(%p, %s, %p)\n", pUnk, debugstr_guid(riid), ppv);
622 *ppv = NULL;
624 if (pUnk)
625 return CLASS_E_NOAGGREGATION;
627 hr = CreatePointerMoniker(NULL, &pMoniker);
628 if (FAILED(hr))
629 return hr;
631 hr = IMoniker_QueryInterface(pMoniker, riid, ppv);
633 if (FAILED(hr))
634 IMoniker_Release(pMoniker);
636 return hr;
639 static HRESULT WINAPI PointerMonikerCF_LockServer(LPCLASSFACTORY iface, BOOL fLock)
641 FIXME("(%d), stub!\n",fLock);
642 return S_OK;
645 static const IClassFactoryVtbl PointerMonikerCFVtbl =
647 PointerMonikerCF_QueryInterface,
648 PointerMonikerCF_AddRef,
649 PointerMonikerCF_Release,
650 PointerMonikerCF_CreateInstance,
651 PointerMonikerCF_LockServer
653 static const IClassFactoryVtbl *PointerMonikerCF = &PointerMonikerCFVtbl;
655 HRESULT PointerMonikerCF_Create(REFIID riid, LPVOID *ppv)
657 return IClassFactory_QueryInterface((IClassFactory *)&PointerMonikerCF, riid, ppv);