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->IHlink_iface;
 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         IUnknown *unk = NULL;
 491         IHlinkTarget *target;
 492
 493         CreateBindCtx(0, &bcxt);
 494
 495         RegisterBindStatusCallback(bcxt, pbsc, NULL, 0);
 496
 497         r = IMoniker_BindToObject(mon, bcxt, NULL, &IID_IUnknown, (void**)&unk);
 498         if (r == S_OK)
 499         {
 500             r = IUnknown_QueryInterface(unk, &IID_IHlinkTarget, (void**)&target);
 501             IUnknown_Release(unk);
 502         }
 503         if (r == S_OK)
 504         {
 505             IHlinkTarget_SetBrowseContext(target, phbc);
 506             r = IHlinkTarget_Navigate(target, grfHLNF, This->Location);
 507             IHlinkTarget_Release(target);
 508         }
 509         else
 510         {
 511             static const WCHAR szOpen[] = {'o','p','e','n',0};
 512             LPWSTR target = NULL;
 513
 514             r = IHlink_GetStringReference(iface, HLINKGETREF_DEFAULT, &target, NULL);
 515             if (SUCCEEDED(r) && target)
 516             {
 517                 ShellExecuteW(NULL, szOpen, target, NULL, NULL, SW_SHOW);
 518                 CoTaskMemFree(target);
 519             }
 520         }
 521
 522         RevokeBindStatusCallback(bcxt, pbsc);
 523
 524         IBindCtx_Release(bcxt);
 525         IMoniker_Release(mon);
 526     }
 527
 528     if (This->Site)
 529         IHlinkSite_OnNavigationComplete(This->Site, This->SiteData, 0, r, NULL);
 530
 531     TRACE("Finished Navigation\n");
 532     return r;
 533 }
 534
 535 static HRESULT WINAPI IHlink_fnSetAdditionalParams(IHlink* iface,
 536         LPCWSTR pwzAdditionalParams)
 537 {
 538     TRACE("Not implemented in native IHlink\n");
 539     return E_NOTIMPL;
 540 }
 541
 542 static HRESULT WINAPI IHlink_fnGetAdditionalParams(IHlink* iface,
 543         LPWSTR* ppwzAdditionalParams)
 544 {
 545     TRACE("Not implemented in native IHlink\n");
 546     return E_NOTIMPL;
 547 }
 548
 549 static const IHlinkVtbl hlvt =
 550 {
 551     IHlink_fnQueryInterface,
 552     IHlink_fnAddRef,
 553     IHlink_fnRelease,
 554     IHlink_fnSetHlinkSite,
 555     IHlink_fnGetHlinkSite,
 556     IHlink_fnSetMonikerReference,
 557     IHlink_fnGetMonikerReference,
 558     IHlink_fnSetStringReference,
 559     IHlink_fnGetStringReference,
 560     IHlink_fnSetFriendlyName,
 561     IHlink_fnGetFriendlyName,
 562     IHlink_fnSetTargetFrameName,
 563     IHlink_fnGetTargetFrameName,
 564     IHlink_fnGetMiscStatus,
 565     IHlink_fnNavigate,
 566     IHlink_fnSetAdditionalParams,
 567     IHlink_fnGetAdditionalParams
 568 };
 569
 570 static HRESULT WINAPI IDataObject_fnQueryInterface(IDataObject* iface,
 571         REFIID riid, LPVOID *ppvObj)
 572 {
 573     HlinkImpl *This = impl_from_IDataObject(iface);
 574     TRACE("%p\n", This);
 575     return IHlink_QueryInterface(&This->IHlink_iface, riid, ppvObj);
 576 }
 577
 578 static ULONG WINAPI IDataObject_fnAddRef (IDataObject* iface)
 579 {
 580     HlinkImpl *This = impl_from_IDataObject(iface);
 581     TRACE("%p\n", This);
 582     return IHlink_AddRef(&This->IHlink_iface);
 583 }
 584
 585 static ULONG WINAPI IDataObject_fnRelease (IDataObject* iface)
 586 {
 587     HlinkImpl *This = impl_from_IDataObject(iface);
 588     TRACE("%p\n", This);
 589     return IHlink_Release(&This->IHlink_iface);
 590 }
 591
 592 static HRESULT WINAPI IDataObject_fnGetData(IDataObject* iface,
 593         FORMATETC* pformatetcIn, STGMEDIUM* pmedium)
 594 {
 595     FIXME("\n");
 596     return E_NOTIMPL;
 597 }
 598
 599 static HRESULT WINAPI IDataObject_fnGetDataHere(IDataObject* iface,
 600         FORMATETC* pformatetc, STGMEDIUM* pmedium)
 601 {
 602     FIXME("\n");
 603     return E_NOTIMPL;
 604 }
 605
 606 static HRESULT WINAPI IDataObject_fnQueryGetData(IDataObject* iface,
 607         FORMATETC* pformatetc)
 608 {
 609     FIXME("\n");
 610     return E_NOTIMPL;
 611 }
 612
 613 static HRESULT WINAPI IDataObject_fnGetConicalFormatEtc(IDataObject* iface,
 614         FORMATETC* pformatetcIn, FORMATETC* pformatetcOut)
 615 {
 616     FIXME("\n");
 617     return E_NOTIMPL;
 618 }
 619
 620 static HRESULT WINAPI IDataObject_fnSetData(IDataObject* iface,
 621         FORMATETC* pformatetc, STGMEDIUM* pmedium, BOOL fRelease)
 622 {
 623     FIXME("\n");
 624     return E_NOTIMPL;
 625 }
 626
 627 static HRESULT WINAPI IDataObject_fnEnumFormatEtc(IDataObject* iface,
 628         DWORD dwDirection, IEnumFORMATETC** ppenumFormatEtc)
 629 {
 630     FIXME("\n");
 631     return E_NOTIMPL;
 632 }
 633
 634 static HRESULT WINAPI IDataObject_fnDAdvise(IDataObject* iface,
 635         FORMATETC* pformatetc, DWORD advf, IAdviseSink* pAdvSink,
 636         DWORD* pdwConnection)
 637 {
 638     FIXME("\n");
 639     return E_NOTIMPL;
 640 }
 641
 642 static HRESULT WINAPI IDataObject_fnDUnadvise(IDataObject* iface,
 643         DWORD dwConnection)
 644 {
 645     FIXME("\n");
 646     return E_NOTIMPL;
 647 }
 648
 649 static HRESULT WINAPI IDataObject_fnEnumDAdvise(IDataObject* iface,
 650         IEnumSTATDATA** ppenumAdvise)
 651 {
 652     FIXME("\n");
 653     return E_NOTIMPL;
 654 }
 655
 656 static const IDataObjectVtbl dovt =
 657 {
 658     IDataObject_fnQueryInterface,
 659     IDataObject_fnAddRef,
 660     IDataObject_fnRelease,
 661     IDataObject_fnGetData,
 662     IDataObject_fnGetDataHere,
 663     IDataObject_fnQueryGetData,
 664     IDataObject_fnGetConicalFormatEtc,
 665     IDataObject_fnSetData,
 666     IDataObject_fnEnumFormatEtc,
 667     IDataObject_fnDAdvise,
 668     IDataObject_fnDUnadvise,
 669     IDataObject_fnEnumDAdvise
 670 };
 671
 672 static HRESULT WINAPI IPersistStream_fnQueryInterface(IPersistStream* iface,
 673         REFIID riid, LPVOID *ppvObj)
 674 {
 675     HlinkImpl *This = impl_from_IPersistStream(iface);
 676     TRACE("(%p)\n", This);
 677     return IHlink_QueryInterface(&This->IHlink_iface, riid, ppvObj);
 678 }
 679
 680 static ULONG WINAPI IPersistStream_fnAddRef (IPersistStream* iface)
 681 {
 682     HlinkImpl *This = impl_from_IPersistStream(iface);
 683     TRACE("(%p)\n", This);
 684     return IHlink_AddRef(&This->IHlink_iface);
 685 }
 686
 687 static ULONG WINAPI IPersistStream_fnRelease (IPersistStream* iface)
 688 {
 689     HlinkImpl *This = impl_from_IPersistStream(iface);
 690     TRACE("(%p)\n", This);
 691     return IHlink_Release(&This->IHlink_iface);
 692 }
 693
 694 static HRESULT WINAPI IPersistStream_fnGetClassID(IPersistStream* iface,
 695         CLSID* pClassID)
 696 {
 697     HlinkImpl *This = impl_from_IPersistStream(iface);
 698     TRACE("(%p)\n", This);
 699     *pClassID = CLSID_StdHlink;
 700     return S_OK;
 701 }
 702
 703 static HRESULT WINAPI IPersistStream_fnIsDirty(IPersistStream* iface)
 704 {
 705     FIXME("\n");
 706     return E_NOTIMPL;
 707 }
 708
 709 static HRESULT write_hlink_string(IStream *pStm, LPCWSTR str)
 710 {
 711     DWORD len;
 712     HRESULT hr;
 713
 714     TRACE("(%p, %s)\n", pStm, debugstr_w(str));
 715
 716     len = strlenW(str) + 1;
 717
 718     hr = IStream_Write(pStm, &len, sizeof(len), NULL);
 719     if (FAILED(hr)) return hr;
 720
 721     hr = IStream_Write(pStm, str, len * sizeof(WCHAR), NULL);
 722     if (FAILED(hr)) return hr;
 723
 724     return S_OK;
 725 }
 726
 727 static inline ULONG size_hlink_string(LPCWSTR str)
 728 {
 729     return sizeof(DWORD) + (strlenW(str) + 1) * sizeof(WCHAR);
 730 }
 731
 732 static HRESULT read_hlink_string(IStream *pStm, LPWSTR *out_str)
 733 {
 734     LPWSTR str;
 735     DWORD len;
 736     ULONG read;
 737     HRESULT hr;
 738
 739     hr = IStream_Read(pStm, &len, sizeof(len), &read);
 740     if (FAILED(hr)) return hr;
 741     if (read != sizeof(len)) return STG_E_READFAULT;
 742
 743     TRACE("read len %d\n", len);
 744
 745     str = heap_alloc(len * sizeof(WCHAR));
 746     if (!str) return E_OUTOFMEMORY;
 747
 748     hr = IStream_Read(pStm, str, len * sizeof(WCHAR), &read);
 749     if (FAILED(hr))
 750     {
 751         heap_free(str);
 752         return hr;
 753     }
 754     if (read != len * sizeof(WCHAR))
 755     {
 756         heap_free(str);
 757         return STG_E_READFAULT;
 758     }
 759     TRACE("read string %s\n", debugstr_w(str));
 760
 761     *out_str = str;
 762     return S_OK;
 763 }
 764
 765 static HRESULT WINAPI IPersistStream_fnLoad(IPersistStream* iface,
 766         IStream* pStm)
 767 {
 768     HRESULT r;
 769     DWORD hdr[2];
 770     DWORD read;
 771     HlinkImpl *This = impl_from_IPersistStream(iface);
 772
 773     r = IStream_Read(pStm, hdr, sizeof(hdr), &read);
 774     if (read != sizeof(hdr) || (hdr[0] != HLINK_SAVE_MAGIC))
 775     {
 776         r = E_FAIL;
 777         goto end;
 778     }
 779     if (hdr[1] & ~HLINK_SAVE_ALL)
 780         FIXME("unknown flag(s) 0x%x\n", hdr[1] & ~HLINK_SAVE_ALL);
 781
 782     if (hdr[1] & HLINK_SAVE_TARGET_FRAME_PRESENT)
 783     {
 784         TRACE("loading target frame name\n");
 785         r = read_hlink_string(pStm, &This->TargetFrameName);
 786         if (FAILED(r)) goto end;
 787     }
 788
 789     if (hdr[1] & HLINK_SAVE_FRIENDLY_PRESENT)
 790     {
 791         TRACE("loading target friendly name\n");
 792         if (!(hdr[1] & 0x4))
 793             FIXME("0x4 flag not present with friendly name flag - not sure what this means\n");
 794         r = read_hlink_string(pStm, &This->FriendlyName);
 795         if (FAILED(r)) goto end;
 796     }
 797
 798     if (hdr[1] & HLINK_SAVE_MONIKER_PRESENT)
 799     {
 800         TRACE("loading moniker\n");
 801         r = OleLoadFromStream(pStm, &IID_IMoniker, (LPVOID*)&(This->Moniker));
 802         if (FAILED(r))
 803             goto end;
 804         This->absolute = (hdr[1] & HLINK_SAVE_MONIKER_IS_ABSOLUTE) != 0;
 805     }
 806
 807     if (hdr[1] & HLINK_SAVE_LOCATION_PRESENT)
 808     {
 809         TRACE("loading location\n");
 810         r = read_hlink_string(pStm, &This->Location);
 811         if (FAILED(r)) goto end;
 812     }
 813
 814 end:
 815     TRACE("Load Result 0x%x (%p)\n", r, This->Moniker);
 816
 817     return r;
 818 }
 819
 820 static HRESULT WINAPI IPersistStream_fnSave(IPersistStream* iface,
 821         IStream* pStm, BOOL fClearDirty)
 822 {
 823     HRESULT r;
 824     HlinkImpl *This = impl_from_IPersistStream(iface);
 825     DWORD hdr[2];
 826     IMoniker *moniker;
 827
 828     TRACE("(%p) Moniker(%p)\n", This, This->Moniker);
 829
 830     r = __GetMoniker(This, &moniker, HLINKGETREF_DEFAULT);
 831     if (FAILED(r))
 832         return r;
 833     r = E_FAIL;
 834
 835     hdr[0] = HLINK_SAVE_MAGIC;
 836     hdr[1] = 0;
 837
 838     if (moniker)
 839         hdr[1] |= HLINK_SAVE_MONIKER_PRESENT;
 840     if (This->absolute)
 841         hdr[1] |= HLINK_SAVE_MONIKER_IS_ABSOLUTE;
 842     if (This->Location)
 843         hdr[1] |= HLINK_SAVE_LOCATION_PRESENT;
 844     if (This->FriendlyName)
 845         hdr[1] |= HLINK_SAVE_FRIENDLY_PRESENT | 4 /* FIXME */;
 846     if (This->TargetFrameName)
 847         hdr[1] |= HLINK_SAVE_TARGET_FRAME_PRESENT;
 848
 849     IStream_Write(pStm, hdr, sizeof(hdr), NULL);
 850
 851     if (This->TargetFrameName)
 852     {
 853         r = write_hlink_string(pStm, This->TargetFrameName);
 854         if (FAILED(r)) goto end;
 855     }
 856
 857     if (This->FriendlyName)
 858     {
 859         r = write_hlink_string(pStm, This->FriendlyName);
 860         if (FAILED(r)) goto end;
 861     }
 862
 863     if (moniker)
 864     {
 865         IPersistStream* monstream;
 866
 867         monstream = NULL;
 868         IMoniker_QueryInterface(moniker, &IID_IPersistStream,
 869                 (LPVOID*)&monstream);
 870         if (monstream)
 871         {
 872             r = OleSaveToStream(monstream, pStm);
 873             IPersistStream_Release(monstream);
 874         }
 875         if (FAILED(r)) goto end;
 876     }
 877
 878     if (This->Location)
 879     {
 880         r = write_hlink_string(pStm, This->Location);
 881         if (FAILED(r)) goto end;
 882     }
 883
 884 end:
 885     if (moniker) IMoniker_Release(moniker);
 886     TRACE("Save Result 0x%x\n", r);
 887
 888     return r;
 889 }
 890
 891 static HRESULT WINAPI IPersistStream_fnGetSizeMax(IPersistStream* iface,
 892         ULARGE_INTEGER* pcbSize)
 893 {
 894     HRESULT r;
 895     HlinkImpl *This = impl_from_IPersistStream(iface);
 896     IMoniker *moniker;
 897
 898     TRACE("(%p) Moniker(%p)\n", This, This->Moniker);
 899
 900     pcbSize->QuadPart = sizeof(DWORD)*2;
 901
 902     if (This->TargetFrameName)
 903         pcbSize->QuadPart += size_hlink_string(This->TargetFrameName);
 904
 905     if (This->FriendlyName)
 906         pcbSize->QuadPart += size_hlink_string(This->FriendlyName);
 907
 908     r = __GetMoniker(This, &moniker, HLINKGETREF_DEFAULT);
 909     if (FAILED(r))
 910         return r;
 911     r = E_FAIL;
 912
 913     if (moniker)
 914     {
 915         IPersistStream* monstream = NULL;
 916         IMoniker_QueryInterface(moniker, &IID_IPersistStream,
 917                 (LPVOID*)&monstream);
 918         if (monstream)
 919         {
 920             ULARGE_INTEGER mon_size;
 921             r = IPersistStream_GetSizeMax(monstream, &mon_size);
 922             pcbSize->QuadPart += mon_size.QuadPart;
 923             IPersistStream_Release(monstream);
 924         }
 925         IMoniker_Release(moniker);
 926     }
 927
 928     if (This->Location)
 929         pcbSize->QuadPart += size_hlink_string(This->Location);
 930
 931     return r;
 932 }
 933
 934 static const IPersistStreamVtbl psvt =
 935 {
 936     IPersistStream_fnQueryInterface,
 937     IPersistStream_fnAddRef,
 938     IPersistStream_fnRelease,
 939     IPersistStream_fnGetClassID,
 940     IPersistStream_fnIsDirty,
 941     IPersistStream_fnLoad,
 942     IPersistStream_fnSave,
 943     IPersistStream_fnGetSizeMax,
 944 };
 945
 946 HRESULT HLink_Constructor(IUnknown *pUnkOuter, REFIID riid, void **ppv)
 947 {
 948     HlinkImpl * hl;
 949
 950     TRACE("unkOut=%p riid=%s\n", pUnkOuter, debugstr_guid(riid));
 951     *ppv = NULL;
 952
 953     if (pUnkOuter)
 954         return CLASS_E_NOAGGREGATION;
 955
 956     hl = heap_alloc_zero(sizeof(HlinkImpl));
 957     if (!hl)
 958         return E_OUTOFMEMORY;
 959
 960     hl->ref = 1;
 961     hl->IHlink_iface.lpVtbl = &hlvt;
 962     hl->IPersistStream_iface.lpVtbl = &psvt;
 963     hl->IDataObject_iface.lpVtbl = &dovt;
 964
 965     *ppv = hl;
 966     return S_OK;
 967 }