dlls/hlink/link.c

   1 /*
   2  * Implementation of hyperlinking (hlink.dll)
   3  *
   4  * Copyright 2005 Aric Stewart for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "hlink_private.h"
  22
  23 #include "shellapi.h"
  24 #include "hlguids.h"
  25
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(hlink);
  29
  30 #define HLINK_SAVE_MAGIC    0x00000002
  31 #define HLINK_SAVE_MONIKER_PRESENT      0x01
  32 #define HLINK_SAVE_MONIKER_IS_ABSOLUTE  0x02
  33 #define HLINK_SAVE_LOCATION_PRESENT     0x08
  34 #define HLINK_SAVE_FRIENDLY_PRESENT     0x10
  35 /* 0x20, 0x40 unknown */
  36 #define HLINK_SAVE_TARGET_FRAME_PRESENT 0x80
  37 /* known flags */
  38 #define HLINK_SAVE_ALL (HLINK_SAVE_TARGET_FRAME_PRESENT|HLINK_SAVE_FRIENDLY_PRESENT|HLINK_SAVE_LOCATION_PRESENT|0x04|HLINK_SAVE_MONIKER_IS_ABSOLUTE|HLINK_SAVE_MONIKER_PRESENT)
  39
  40 typedef struct
  41 {
  42     IHlink              IHlink_iface;
  43     LONG                ref;
  44
  45     IPersistStream      IPersistStream_iface;
  46     IDataObject         IDataObject_iface;
  47
  48     LPWSTR              FriendlyName;
  49     LPWSTR              Location;
  50     LPWSTR              TargetFrameName;
  51     IMoniker            *Moniker;
  52     IHlinkSite          *Site;
  53     DWORD               SiteData;
  54     BOOL                absolute;
  55 } HlinkImpl;
  56
  57 static inline HlinkImpl *impl_from_IHlink(IHlink *iface)
  58 {
  59     return CONTAINING_RECORD(iface, HlinkImpl, IHlink_iface);
  60 }
  61
  62
  63 static inline HlinkImpl* impl_from_IPersistStream( IPersistStream* iface)
  64 {
  65     return CONTAINING_RECORD(iface, HlinkImpl, IPersistStream_iface);
  66 }
  67
  68 static inline HlinkImpl* impl_from_IDataObject( IDataObject* iface)
  69 {
  70     return CONTAINING_RECORD(iface, HlinkImpl, IDataObject_iface);
  71 }
  72
  73 static HRESULT __GetMoniker(HlinkImpl* This, IMoniker** moniker,
  74         DWORD ref_type)
  75 {
  76     HRESULT hres;
  77
  78     if (ref_type == HLINKGETREF_DEFAULT)
  79         ref_type = HLINKGETREF_RELATIVE;
  80
  81     if (This->Moniker)
  82     {
  83         DWORD mktype = MKSYS_NONE;
  84
  85         hres = IMoniker_IsSystemMoniker(This->Moniker, &mktype);
  86         if (hres == S_OK && mktype != MKSYS_NONE)
  87         {
  88             *moniker = This->Moniker;
  89             IMoniker_AddRef(*moniker);
  90             return S_OK;
  91         }
  92     }
  93
  94     if (ref_type == HLINKGETREF_ABSOLUTE && This->Site)
  95     {
  96         IMoniker *hls_moniker;
  97
  98         hres = IHlinkSite_GetMoniker(This->Site, This->SiteData,
  99                 OLEGETMONIKER_FORCEASSIGN, OLEWHICHMK_CONTAINER, &hls_moniker);
 100         if (FAILED(hres))
 101             return hres;
 102
 103         if (This->Moniker)
 104         {
 105             hres = IMoniker_ComposeWith(hls_moniker, This->Moniker, FALSE,
 106                     moniker);
 107             IMoniker_Release(hls_moniker);
 108             return hres;
 109         }
 110
 111         *moniker = hls_moniker;
 112         return S_OK;
 113     }
 114
 115     *moniker = This->Moniker;
 116     if (*moniker)
 117         IMoniker_AddRef(*moniker);
 118
 119     return S_OK;
 120 }
 121
 122 static HRESULT WINAPI IHlink_fnQueryInterface(IHlink* iface, REFIID riid,
 123         LPVOID *ppvObj)
 124 {
 125     HlinkImpl  *This = impl_from_IHlink(iface);
 126
 127     TRACE ("(%p)->(%s,%p)\n", This, debugstr_guid (riid), ppvObj);
 128
 129     *ppvObj = NULL;
 130
 131     if (IsEqualIID(riid, &IID_IUnknown) || (IsEqualIID(riid, &IID_IHlink)))
 132         *ppvObj = This;
 133     else if (IsEqualIID(riid, &IID_IPersistStream))
 134         *ppvObj = &This->IPersistStream_iface;
 135     else if (IsEqualIID(riid, &IID_IDataObject))
 136         *ppvObj = &This->IDataObject_iface;
 137
 138     if (*ppvObj)
 139     {
 140         IUnknown_AddRef((IUnknown*)(*ppvObj));
 141         return S_OK;
 142     }
 143     return E_NOINTERFACE;
 144 }
 145
 146 static ULONG WINAPI IHlink_fnAddRef (IHlink* iface)
 147 {
 148     HlinkImpl  *This = impl_from_IHlink(iface);
 149     ULONG refCount = InterlockedIncrement(&This->ref);
 150
 151     TRACE("(%p)->(count=%u)\n", This, refCount - 1);
 152
 153     return refCount;
 154 }
 155
 156 static ULONG WINAPI IHlink_fnRelease (IHlink* iface)
 157 {
 158     HlinkImpl  *This = impl_from_IHlink(iface);
 159     ULONG refCount = InterlockedDecrement(&This->ref);
 160
 161     TRACE("(%p)->(count=%u)\n", This, refCount + 1);
 162     if (refCount)
 163         return refCount;
 164
 165     TRACE("-- destroying IHlink (%p)\n", This);
 166     heap_free(This->FriendlyName);
 167     heap_free(This->TargetFrameName);
 168     heap_free(This->Location);
 169     if (This->Moniker)
 170         IMoniker_Release(This->Moniker);
 171     if (This->Site)
 172         IHlinkSite_Release(This->Site);
 173     heap_free(This);
 174     return 0;
 175 }
 176
 177 static HRESULT WINAPI IHlink_fnSetHlinkSite( IHlink* iface,
 178         IHlinkSite* pihlSite, DWORD dwSiteData)
 179 {
 180     HlinkImpl  *This = impl_from_IHlink(iface);
 181
 182     TRACE("(%p)->(%p %i)\n", This, pihlSite, dwSiteData);
 183
 184     if (This->Site)
 185         IHlinkSite_Release(This->Site);
 186
 187     This->Site = pihlSite;
 188     if (This->Site)
 189         IHlinkSite_AddRef(This->Site);
 190
 191     This->SiteData = dwSiteData;
 192
 193     return S_OK;
 194 }
 195
 196 static HRESULT WINAPI IHlink_fnGetHlinkSite( IHlink* iface,
 197         IHlinkSite** ppihlSite, DWORD *pdwSiteData)
 198 {
 199     HlinkImpl  *This = impl_from_IHlink(iface);
 200
 201     TRACE("(%p)->(%p %p)\n", This, ppihlSite, pdwSiteData);
 202
 203     *ppihlSite = This->Site;
 204
 205     if (This->Site) {
 206         IHlinkSite_AddRef(This->Site);
 207         *pdwSiteData = This->SiteData;
 208     }
 209
 210     return S_OK;
 211 }
 212
 213 static HRESULT WINAPI IHlink_fnSetMonikerReference( IHlink* iface,
 214         DWORD rfHLSETF, IMoniker *pmkTarget, LPCWSTR pwzLocation)
 215 {
 216     HlinkImpl  *This = impl_from_IHlink(iface);
 217
 218     TRACE("(%p)->(%i %p %s)\n", This, rfHLSETF, pmkTarget,
 219             debugstr_w(pwzLocation));
 220
 221     if(rfHLSETF == 0)
 222         return E_INVALIDARG;
 223     if(!(rfHLSETF & (HLINKSETF_TARGET | HLINKSETF_LOCATION)))
 224         return rfHLSETF;
 225
 226     if(rfHLSETF & HLINKSETF_TARGET){
 227         if (This->Moniker)
 228             IMoniker_Release(This->Moniker);
 229
 230         This->Moniker = pmkTarget;
 231         if (This->Moniker)
 232         {
 233             IBindCtx *pbc;
 234             LPOLESTR display_name;
 235             IMoniker_AddRef(This->Moniker);
 236             CreateBindCtx( 0, &pbc);
 237             IMoniker_GetDisplayName(This->Moniker, pbc, NULL, &display_name);
 238             IBindCtx_Release(pbc);
 239             This->absolute = display_name && strchrW(display_name, ':');
 240             CoTaskMemFree(display_name);
 241         }
 242     }
 243
 244     if(rfHLSETF & HLINKSETF_LOCATION){
 245         heap_free(This->Location);
 246         This->Location = hlink_strdupW( pwzLocation );
 247     }
 248
 249     return S_OK;
 250 }
 251
 252 static HRESULT WINAPI IHlink_fnSetStringReference(IHlink* iface,
 253         DWORD grfHLSETF, LPCWSTR pwzTarget, LPCWSTR pwzLocation)
 254 {
 255     HlinkImpl  *This = impl_from_IHlink(iface);
 256
 257     TRACE("(%p)->(%i %s %s)\n", This, grfHLSETF, debugstr_w(pwzTarget),
 258             debugstr_w(pwzLocation));
 259
 260     if(grfHLSETF > (HLINKSETF_TARGET | HLINKSETF_LOCATION) &&
 261             grfHLSETF < -(HLINKSETF_TARGET | HLINKSETF_LOCATION))
 262         return grfHLSETF;
 263
 264     if (grfHLSETF & HLINKSETF_TARGET)
 265     {
 266         if (This->Moniker)
 267         {
 268             IMoniker_Release(This->Moniker);
 269             This->Moniker = NULL;
 270         }
 271         if (pwzTarget && *pwzTarget)
 272         {
 273             IMoniker *pMon;
 274             IBindCtx *pbc = NULL;
 275             ULONG eaten;
 276             HRESULT r;
 277
 278             r = CreateBindCtx(0, &pbc);
 279             if (FAILED(r))
 280                 return E_OUTOFMEMORY;
 281
 282             r = MkParseDisplayName(pbc, pwzTarget, &eaten, &pMon);
 283             IBindCtx_Release(pbc);
 284
 285             if (FAILED(r))
 286             {
 287                 LPCWSTR p = strchrW(pwzTarget, ':');
 288                 if (p && (p - pwzTarget > 1))
 289                     r = CreateURLMoniker(NULL, pwzTarget, &pMon);
 290                 else
 291                     r = CreateFileMoniker(pwzTarget, &pMon);
 292                 if (FAILED(r))
 293                 {
 294                     ERR("couldn't create moniker for %s, failed with error 0x%08x\n",
 295                         debugstr_w(pwzTarget), r);
 296                     return r;
 297                 }
 298             }
 299
 300             IHlink_SetMonikerReference(iface, HLINKSETF_TARGET, pMon, NULL);
 301             IMoniker_Release(pMon);
 302         }
 303     }
 304
 305     if (grfHLSETF & HLINKSETF_LOCATION)
 306     {
 307         heap_free(This->Location);
 308         This->Location = NULL;
 309         if (pwzLocation && *pwzLocation)
 310             This->Location = hlink_strdupW( pwzLocation );
 311     }
 312
 313     return S_OK;
 314 }
 315
 316 static HRESULT WINAPI IHlink_fnGetMonikerReference(IHlink* iface,
 317         DWORD dwWhichRef, IMoniker **ppimkTarget, LPWSTR *ppwzLocation)
 318 {
 319     HlinkImpl  *This = impl_from_IHlink(iface);
 320
 321     TRACE("(%p) -> (%i %p %p)\n", This, dwWhichRef, ppimkTarget,
 322             ppwzLocation);
 323
 324     if (ppimkTarget)
 325     {
 326         HRESULT hres = __GetMoniker(This, ppimkTarget, dwWhichRef);
 327         if (FAILED(hres))
 328         {
 329             if (ppwzLocation)
 330                 *ppwzLocation = NULL;
 331             return hres;
 332         }
 333     }
 334
 335     if (ppwzLocation)
 336         IHlink_GetStringReference(iface, dwWhichRef, NULL, ppwzLocation);
 337
 338     return S_OK;
 339 }
 340
 341 static HRESULT WINAPI IHlink_fnGetStringReference (IHlink* iface,
 342         DWORD dwWhichRef, LPWSTR *ppwzTarget, LPWSTR *ppwzLocation)
 343 {
 344     HlinkImpl  *This = impl_from_IHlink(iface);
 345
 346     TRACE("(%p) -> (%i %p %p)\n", This, dwWhichRef, ppwzTarget, ppwzLocation);
 347
 348     if(dwWhichRef != -1 && dwWhichRef & ~(HLINKGETREF_DEFAULT | HLINKGETREF_ABSOLUTE | HLINKGETREF_RELATIVE))
 349     {
 350         if(ppwzTarget)
 351             *ppwzTarget = NULL;
 352         if(ppwzLocation)
 353             *ppwzLocation = NULL;
 354         return E_INVALIDARG;
 355     }
 356
 357     if (ppwzTarget)
 358     {
 359         IMoniker* mon;
 360         HRESULT hres = __GetMoniker(This, &mon, dwWhichRef);
 361         if (FAILED(hres))
 362         {
 363             if (ppwzLocation)
 364                 *ppwzLocation = NULL;
 365             return hres;
 366         }
 367         if (mon)
 368         {
 369             IBindCtx *pbc;
 370
 371             CreateBindCtx( 0, &pbc);
 372             IMoniker_GetDisplayName(mon, pbc, NULL, ppwzTarget);
 373             IBindCtx_Release(pbc);
 374             IMoniker_Release(mon);
 375         }
 376         else
 377             *ppwzTarget = NULL;
 378     }
 379     if (ppwzLocation)
 380         *ppwzLocation = hlink_co_strdupW( This->Location );
 381
 382     TRACE("(Target: %s Location: %s)\n",
 383             (ppwzTarget)?debugstr_w(*ppwzTarget):"<NULL>",
 384             (ppwzLocation)?debugstr_w(*ppwzLocation):"<NULL>");
 385
 386     return S_OK;
 387 }
 388
 389 static HRESULT WINAPI IHlink_fnSetFriendlyName (IHlink *iface,
 390         LPCWSTR pwzFriendlyName)
 391 {
 392     HlinkImpl  *This = impl_from_IHlink(iface);
 393
 394     TRACE("(%p) -> (%s)\n", This, debugstr_w(pwzFriendlyName));
 395
 396     heap_free(This->FriendlyName);
 397     This->FriendlyName = hlink_strdupW( pwzFriendlyName );
 398
 399     return S_OK;
 400 }
 401
 402 static HRESULT WINAPI IHlink_fnGetFriendlyName (IHlink* iface,
 403         DWORD grfHLFNAMEF, LPWSTR* ppwzFriendlyName)
 404 {
 405     HlinkImpl  *This = impl_from_IHlink(iface);
 406
 407     TRACE("(%p) -> (%i %p)\n", This, grfHLFNAMEF, ppwzFriendlyName);
 408
 409     /* FIXME: Only using explicitly set and cached friendly names */
 410
 411     if (This->FriendlyName)
 412         *ppwzFriendlyName = hlink_co_strdupW( This->FriendlyName );
 413     else
 414     {
 415         IMoniker *moniker;
 416         HRESULT hres = __GetMoniker(This, &moniker, HLINKGETREF_DEFAULT);
 417         if (FAILED(hres))
 418         {
 419             *ppwzFriendlyName = NULL;
 420             return hres;
 421         }
 422         if (moniker)
 423         {
 424             IBindCtx *bcxt;
 425             CreateBindCtx(0, &bcxt);
 426
 427             IMoniker_GetDisplayName(moniker, bcxt, NULL, ppwzFriendlyName);
 428             IBindCtx_Release(bcxt);
 429             IMoniker_Release(moniker);
 430         }
 431         else
 432             *ppwzFriendlyName = NULL;
 433     }
 434
 435     return S_OK;
 436 }
 437
 438 static HRESULT WINAPI IHlink_fnSetTargetFrameName(IHlink* iface,
 439         LPCWSTR pwzTargetFramename)
 440 {
 441     HlinkImpl  *This = impl_from_IHlink(iface);
 442     TRACE("(%p)->(%s)\n", This, debugstr_w(pwzTargetFramename));
 443
 444     heap_free(This->TargetFrameName);
 445     This->TargetFrameName = hlink_strdupW( pwzTargetFramename );
 446
 447     return S_OK;
 448 }
 449
 450 static HRESULT WINAPI IHlink_fnGetTargetFrameName(IHlink* iface,
 451         LPWSTR *ppwzTargetFrameName)
 452 {
 453     HlinkImpl  *This = impl_from_IHlink(iface);
 454
 455     TRACE("(%p)->(%p)\n", This, ppwzTargetFrameName);
 456
 457     if(!This->TargetFrameName) {
 458         *ppwzTargetFrameName = NULL;
 459         return S_FALSE;
 460     }
 461
 462     *ppwzTargetFrameName = hlink_co_strdupW( This->TargetFrameName );
 463     if(!*ppwzTargetFrameName)
 464         return E_OUTOFMEMORY;
 465
 466     return S_OK;
 467 }
 468
 469 static HRESULT WINAPI IHlink_fnGetMiscStatus(IHlink* iface, DWORD* pdwStatus)
 470 {
 471     FIXME("\n");
 472     return E_NOTIMPL;
 473 }
 474
 475 static HRESULT WINAPI IHlink_fnNavigate(IHlink* iface, DWORD grfHLNF, LPBC pbc,
 476         IBindStatusCallback *pbsc, IHlinkBrowseContext *phbc)
 477 {
 478     HlinkImpl  *This = impl_from_IHlink(iface);
 479     IMoniker *mon = NULL;
 480     HRESULT r;
 481
 482     FIXME("Semi-Stub:(%p)->(%i %p %p %p)\n", This, grfHLNF, pbc, pbsc, phbc);
 483
 484     r = __GetMoniker(This, &mon, HLINKGETREF_ABSOLUTE);
 485     TRACE("Moniker %p\n", mon);
 486
 487     if (SUCCEEDED(r))
 488     {
 489         IBindCtx *bcxt;
 490         IHlinkTarget *target = NULL;
 491
 492         CreateBindCtx(0, &bcxt);
 493
 494         RegisterBindStatusCallback(bcxt, pbsc, NULL, 0);
 495
 496         r = IMoniker_BindToObject(mon, bcxt, NULL, &IID_IHlinkTarget,
 497                 (LPVOID*)&target);
 498         TRACE("IHlinkTarget returned 0x%x\n", r);
 499         if (r == S_OK)
 500         {
 501             IHlinkTarget_SetBrowseContext(target, phbc);
 502             IHlinkTarget_Navigate(target, grfHLNF, This->Location);
 503             IHlinkTarget_Release(target);
 504         }
 505         else
 506         {
 507             static const WCHAR szOpen[] = {'o','p','e','n',0};
 508             LPWSTR target = NULL;
 509
 510             r = IHlink_GetStringReference(iface, HLINKGETREF_DEFAULT, &target, NULL);
 511             if (SUCCEEDED(r) && target)
 512             {
 513                 ShellExecuteW(NULL, szOpen, target, NULL, NULL, SW_SHOW);
 514                 CoTaskMemFree(target);
 515             }
 516         }
 517
 518         RevokeBindStatusCallback(bcxt, pbsc);
 519
 520         IBindCtx_Release(bcxt);
 521         IMoniker_Release(mon);
 522     }
 523
 524     if (This->Site)
 525         IHlinkSite_OnNavigationComplete(This->Site, This->SiteData, 0, r, NULL);
 526
 527     TRACE("Finished Navigation\n");
 528     return r;
 529 }
 530
 531 static HRESULT WINAPI IHlink_fnSetAdditionalParams(IHlink* iface,
 532         LPCWSTR pwzAdditionalParams)
 533 {
 534     TRACE("Not implemented in native IHlink\n");
 535     return E_NOTIMPL;
 536 }
 537
 538 static HRESULT WINAPI IHlink_fnGetAdditionalParams(IHlink* iface,
 539         LPWSTR* ppwzAdditionalParams)
 540 {
 541     TRACE("Not implemented in native IHlink\n");
 542     return E_NOTIMPL;
 543 }
 544
 545 static const IHlinkVtbl hlvt =
 546 {
 547     IHlink_fnQueryInterface,
 548     IHlink_fnAddRef,
 549     IHlink_fnRelease,
 550     IHlink_fnSetHlinkSite,
 551     IHlink_fnGetHlinkSite,
 552     IHlink_fnSetMonikerReference,
 553     IHlink_fnGetMonikerReference,
 554     IHlink_fnSetStringReference,
 555     IHlink_fnGetStringReference,
 556     IHlink_fnSetFriendlyName,
 557     IHlink_fnGetFriendlyName,
 558     IHlink_fnSetTargetFrameName,
 559     IHlink_fnGetTargetFrameName,
 560     IHlink_fnGetMiscStatus,
 561     IHlink_fnNavigate,
 562     IHlink_fnSetAdditionalParams,
 563     IHlink_fnGetAdditionalParams
 564 };
 565
 566 static HRESULT WINAPI IDataObject_fnQueryInterface(IDataObject* iface,
 567         REFIID riid, LPVOID *ppvObj)
 568 {
 569     HlinkImpl *This = impl_from_IDataObject(iface);
 570     TRACE("%p\n", This);
 571     return IHlink_QueryInterface(&This->IHlink_iface, riid, ppvObj);
 572 }
 573
 574 static ULONG WINAPI IDataObject_fnAddRef (IDataObject* iface)
 575 {
 576     HlinkImpl *This = impl_from_IDataObject(iface);
 577     TRACE("%p\n", This);
 578     return IHlink_AddRef(&This->IHlink_iface);
 579 }
 580
 581 static ULONG WINAPI IDataObject_fnRelease (IDataObject* iface)
 582 {
 583     HlinkImpl *This = impl_from_IDataObject(iface);
 584     TRACE("%p\n", This);
 585     return IHlink_Release(&This->IHlink_iface);
 586 }
 587
 588 static HRESULT WINAPI IDataObject_fnGetData(IDataObject* iface,
 589         FORMATETC* pformatetcIn, STGMEDIUM* pmedium)
 590 {
 591     FIXME("\n");
 592     return E_NOTIMPL;
 593 }
 594
 595 static HRESULT WINAPI IDataObject_fnGetDataHere(IDataObject* iface,
 596         FORMATETC* pformatetc, STGMEDIUM* pmedium)
 597 {
 598     FIXME("\n");
 599     return E_NOTIMPL;
 600 }
 601
 602 static HRESULT WINAPI IDataObject_fnQueryGetData(IDataObject* iface,
 603         FORMATETC* pformatetc)
 604 {
 605     FIXME("\n");
 606     return E_NOTIMPL;
 607 }
 608
 609 static HRESULT WINAPI IDataObject_fnGetConicalFormatEtc(IDataObject* iface,
 610         FORMATETC* pformatetcIn, FORMATETC* pformatetcOut)
 611 {
 612     FIXME("\n");
 613     return E_NOTIMPL;
 614 }
 615
 616 static HRESULT WINAPI IDataObject_fnSetData(IDataObject* iface,
 617         FORMATETC* pformatetc, STGMEDIUM* pmedium, BOOL fRelease)
 618 {
 619     FIXME("\n");
 620     return E_NOTIMPL;
 621 }
 622
 623 static HRESULT WINAPI IDataObject_fnEnumFormatEtc(IDataObject* iface,
 624         DWORD dwDirection, IEnumFORMATETC** ppenumFormatEtc)
 625 {
 626     FIXME("\n");
 627     return E_NOTIMPL;
 628 }
 629
 630 static HRESULT WINAPI IDataObject_fnDAdvise(IDataObject* iface,
 631         FORMATETC* pformatetc, DWORD advf, IAdviseSink* pAdvSink,
 632         DWORD* pdwConnection)
 633 {
 634     FIXME("\n");
 635     return E_NOTIMPL;
 636 }
 637
 638 static HRESULT WINAPI IDataObject_fnDUnadvise(IDataObject* iface,
 639         DWORD dwConnection)
 640 {
 641     FIXME("\n");
 642     return E_NOTIMPL;
 643 }
 644
 645 static HRESULT WINAPI IDataObject_fnEnumDAdvise(IDataObject* iface,
 646         IEnumSTATDATA** ppenumAdvise)
 647 {
 648     FIXME("\n");
 649     return E_NOTIMPL;
 650 }
 651
 652 static const IDataObjectVtbl dovt =
 653 {
 654     IDataObject_fnQueryInterface,
 655     IDataObject_fnAddRef,
 656     IDataObject_fnRelease,
 657     IDataObject_fnGetData,
 658     IDataObject_fnGetDataHere,
 659     IDataObject_fnQueryGetData,
 660     IDataObject_fnGetConicalFormatEtc,
 661     IDataObject_fnSetData,
 662     IDataObject_fnEnumFormatEtc,
 663     IDataObject_fnDAdvise,
 664     IDataObject_fnDUnadvise,
 665     IDataObject_fnEnumDAdvise
 666 };
 667
 668 static HRESULT WINAPI IPersistStream_fnQueryInterface(IPersistStream* iface,
 669         REFIID riid, LPVOID *ppvObj)
 670 {
 671     HlinkImpl *This = impl_from_IPersistStream(iface);
 672     TRACE("(%p)\n", This);
 673     return IHlink_QueryInterface(&This->IHlink_iface, riid, ppvObj);
 674 }
 675
 676 static ULONG WINAPI IPersistStream_fnAddRef (IPersistStream* iface)
 677 {
 678     HlinkImpl *This = impl_from_IPersistStream(iface);
 679     TRACE("(%p)\n", This);
 680     return IHlink_AddRef(&This->IHlink_iface);
 681 }
 682
 683 static ULONG WINAPI IPersistStream_fnRelease (IPersistStream* iface)
 684 {
 685     HlinkImpl *This = impl_from_IPersistStream(iface);
 686     TRACE("(%p)\n", This);
 687     return IHlink_Release(&This->IHlink_iface);
 688 }
 689
 690 static HRESULT WINAPI IPersistStream_fnGetClassID(IPersistStream* iface,
 691         CLSID* pClassID)
 692 {
 693     HlinkImpl *This = impl_from_IPersistStream(iface);
 694     TRACE("(%p)\n", This);
 695     *pClassID = CLSID_StdHlink;
 696     return S_OK;
 697 }
 698
 699 static HRESULT WINAPI IPersistStream_fnIsDirty(IPersistStream* iface)
 700 {
 701     FIXME("\n");
 702     return E_NOTIMPL;
 703 }
 704
 705 static HRESULT write_hlink_string(IStream *pStm, LPCWSTR str)
 706 {
 707     DWORD len;
 708     HRESULT hr;
 709
 710     TRACE("(%p, %s)\n", pStm, debugstr_w(str));
 711
 712     len = strlenW(str) + 1;
 713
 714     hr = IStream_Write(pStm, &len, sizeof(len), NULL);
 715     if (FAILED(hr)) return hr;
 716
 717     hr = IStream_Write(pStm, str, len * sizeof(WCHAR), NULL);
 718     if (FAILED(hr)) return hr;
 719
 720     return S_OK;
 721 }
 722
 723 static inline ULONG size_hlink_string(LPCWSTR str)
 724 {
 725     return sizeof(DWORD) + (strlenW(str) + 1) * sizeof(WCHAR);
 726 }
 727
 728 static HRESULT read_hlink_string(IStream *pStm, LPWSTR *out_str)
 729 {
 730     LPWSTR str;
 731     DWORD len;
 732     ULONG read;
 733     HRESULT hr;
 734
 735     hr = IStream_Read(pStm, &len, sizeof(len), &read);
 736     if (FAILED(hr)) return hr;
 737     if (read != sizeof(len)) return STG_E_READFAULT;
 738
 739     TRACE("read len %d\n", len);
 740
 741     str = heap_alloc(len * sizeof(WCHAR));
 742     if (!str) return E_OUTOFMEMORY;
 743
 744     hr = IStream_Read(pStm, str, len * sizeof(WCHAR), &read);
 745     if (FAILED(hr))
 746     {
 747         heap_free(str);
 748         return hr;
 749     }
 750     if (read != len * sizeof(WCHAR))
 751     {
 752         heap_free(str);
 753         return STG_E_READFAULT;
 754     }
 755     TRACE("read string %s\n", debugstr_w(str));
 756
 757     *out_str = str;
 758     return S_OK;
 759 }
 760
 761 static HRESULT WINAPI IPersistStream_fnLoad(IPersistStream* iface,
 762         IStream* pStm)
 763 {
 764     HRESULT r;
 765     DWORD hdr[2];
 766     DWORD read;
 767     HlinkImpl *This = impl_from_IPersistStream(iface);
 768
 769     r = IStream_Read(pStm, hdr, sizeof(hdr), &read);
 770     if (read != sizeof(hdr) || (hdr[0] != HLINK_SAVE_MAGIC))
 771     {
 772         r = E_FAIL;
 773         goto end;
 774     }
 775     if (hdr[1] & ~HLINK_SAVE_ALL)
 776         FIXME("unknown flag(s) 0x%x\n", hdr[1] & ~HLINK_SAVE_ALL);
 777
 778     if (hdr[1] & HLINK_SAVE_TARGET_FRAME_PRESENT)
 779     {
 780         TRACE("loading target frame name\n");
 781         r = read_hlink_string(pStm, &This->TargetFrameName);
 782         if (FAILED(r)) goto end;
 783     }
 784
 785     if (hdr[1] & HLINK_SAVE_FRIENDLY_PRESENT)
 786     {
 787         TRACE("loading target friendly name\n");
 788         if (!(hdr[1] & 0x4))
 789             FIXME("0x4 flag not present with friendly name flag - not sure what this means\n");
 790         r = read_hlink_string(pStm, &This->FriendlyName);
 791         if (FAILED(r)) goto end;
 792     }
 793
 794     if (hdr[1] & HLINK_SAVE_MONIKER_PRESENT)
 795     {
 796         TRACE("loading moniker\n");
 797         r = OleLoadFromStream(pStm, &IID_IMoniker, (LPVOID*)&(This->Moniker));
 798         if (FAILED(r))
 799             goto end;
 800         This->absolute = hdr[1] & HLINK_SAVE_MONIKER_IS_ABSOLUTE ? TRUE : FALSE;
 801     }
 802
 803     if (hdr[1] & HLINK_SAVE_LOCATION_PRESENT)
 804     {
 805         TRACE("loading location\n");
 806         r = read_hlink_string(pStm, &This->Location);
 807         if (FAILED(r)) goto end;
 808     }
 809
 810 end:
 811     TRACE("Load Result 0x%x (%p)\n", r, This->Moniker);
 812
 813     return r;
 814 }
 815
 816 static HRESULT WINAPI IPersistStream_fnSave(IPersistStream* iface,
 817         IStream* pStm, BOOL fClearDirty)
 818 {
 819     HRESULT r;
 820     HlinkImpl *This = impl_from_IPersistStream(iface);
 821     DWORD hdr[2];
 822     IMoniker *moniker;
 823
 824     TRACE("(%p) Moniker(%p)\n", This, This->Moniker);
 825
 826     r = __GetMoniker(This, &moniker, HLINKGETREF_DEFAULT);
 827     if (FAILED(r))
 828         return r;
 829     r = E_FAIL;
 830
 831     hdr[0] = HLINK_SAVE_MAGIC;
 832     hdr[1] = 0;
 833
 834     if (moniker)
 835         hdr[1] |= HLINK_SAVE_MONIKER_PRESENT;
 836     if (This->absolute)
 837         hdr[1] |= HLINK_SAVE_MONIKER_IS_ABSOLUTE;
 838     if (This->Location)
 839         hdr[1] |= HLINK_SAVE_LOCATION_PRESENT;
 840     if (This->FriendlyName)
 841         hdr[1] |= HLINK_SAVE_FRIENDLY_PRESENT | 4 /* FIXME */;
 842     if (This->TargetFrameName)
 843         hdr[1] |= HLINK_SAVE_TARGET_FRAME_PRESENT;
 844
 845     IStream_Write(pStm, hdr, sizeof(hdr), NULL);
 846
 847     if (This->TargetFrameName)
 848     {
 849         r = write_hlink_string(pStm, This->TargetFrameName);
 850         if (FAILED(r)) goto end;
 851     }
 852
 853     if (This->FriendlyName)
 854     {
 855         r = write_hlink_string(pStm, This->FriendlyName);
 856         if (FAILED(r)) goto end;
 857     }
 858
 859     if (moniker)
 860     {
 861         IPersistStream* monstream;
 862
 863         monstream = NULL;
 864         IMoniker_QueryInterface(moniker, &IID_IPersistStream,
 865                 (LPVOID*)&monstream);
 866         if (monstream)
 867         {
 868             r = OleSaveToStream(monstream, pStm);
 869             IPersistStream_Release(monstream);
 870         }
 871         if (FAILED(r)) goto end;
 872     }
 873
 874     if (This->Location)
 875     {
 876         r = write_hlink_string(pStm, This->Location);
 877         if (FAILED(r)) goto end;
 878     }
 879
 880 end:
 881     if (moniker) IMoniker_Release(moniker);
 882     TRACE("Save Result 0x%x\n", r);
 883
 884     return r;
 885 }
 886
 887 static HRESULT WINAPI IPersistStream_fnGetSizeMax(IPersistStream* iface,
 888         ULARGE_INTEGER* pcbSize)
 889 {
 890     HRESULT r;
 891     HlinkImpl *This = impl_from_IPersistStream(iface);
 892     IMoniker *moniker;
 893
 894     TRACE("(%p) Moniker(%p)\n", This, This->Moniker);
 895
 896     pcbSize->QuadPart = sizeof(DWORD)*2;
 897
 898     if (This->TargetFrameName)
 899         pcbSize->QuadPart += size_hlink_string(This->TargetFrameName);
 900
 901     if (This->FriendlyName)
 902         pcbSize->QuadPart += size_hlink_string(This->FriendlyName);
 903
 904     r = __GetMoniker(This, &moniker, HLINKGETREF_DEFAULT);
 905     if (FAILED(r))
 906         return r;
 907     r = E_FAIL;
 908
 909     if (moniker)
 910     {
 911         IPersistStream* monstream = NULL;
 912         IMoniker_QueryInterface(moniker, &IID_IPersistStream,
 913                 (LPVOID*)&monstream);
 914         if (monstream)
 915         {
 916             ULARGE_INTEGER mon_size;
 917             r = IPersistStream_GetSizeMax(monstream, &mon_size);
 918             pcbSize->QuadPart += mon_size.QuadPart;
 919             IPersistStream_Release(monstream);
 920         }
 921         IMoniker_Release(moniker);
 922     }
 923
 924     if (This->Location)
 925         pcbSize->QuadPart += size_hlink_string(This->Location);
 926
 927     return r;
 928 }
 929
 930 static const IPersistStreamVtbl psvt =
 931 {
 932     IPersistStream_fnQueryInterface,
 933     IPersistStream_fnAddRef,
 934     IPersistStream_fnRelease,
 935     IPersistStream_fnGetClassID,
 936     IPersistStream_fnIsDirty,
 937     IPersistStream_fnLoad,
 938     IPersistStream_fnSave,
 939     IPersistStream_fnGetSizeMax,
 940 };
 941
 942 HRESULT HLink_Constructor(IUnknown *pUnkOuter, REFIID riid, void **ppv)
 943 {
 944     HlinkImpl * hl;
 945
 946     TRACE("unkOut=%p riid=%s\n", pUnkOuter, debugstr_guid(riid));
 947     *ppv = NULL;
 948
 949     if (pUnkOuter)
 950         return CLASS_E_NOAGGREGATION;
 951
 952     hl = heap_alloc_zero(sizeof(HlinkImpl));
 953     if (!hl)
 954         return E_OUTOFMEMORY;
 955
 956     hl->ref = 1;
 957     hl->IHlink_iface.lpVtbl = &hlvt;
 958     hl->IPersistStream_iface.lpVtbl = &psvt;
 959     hl->IDataObject_iface.lpVtbl = &dovt;
 960
 961     *ppv = hl;
 962     return S_OK;
 963 }