dlls/shell32/shfldr_mycomp.c

   1
   2 /*
   3  *      Virtual Workplace folder
   4  *
   5  *      Copyright 1997                  Marcus Meissner
   6  *      Copyright 1998, 1999, 2002      Juergen Schmied
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30
  31 #define NONAMELESSUNION
  32 #define NONAMELESSSTRUCT
  33 #include "winerror.h"
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winreg.h"
  37
  38 #include "wingdi.h"
  39 #include "pidl.h"
  40 #include "shlguid.h"
  41 #include "enumidlist.h"
  42 #include "undocshell.h"
  43 #include "shell32_main.h"
  44 #include "shresdef.h"
  45 #include "shlwapi.h"
  46 #include "shellfolder.h"
  47 #include "wine/debug.h"
  48 #include "debughlp.h"
  49 #include "shfldr.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL (shell);
  52
  53 /***********************************************************************
  54 *   IShellFolder implementation
  55 */
  56
  57 typedef struct {
  58     ICOM_VFIELD (IShellFolder2);
  59     DWORD ref;
  60       ICOM_VTABLE (IPersistFolder2) * lpVtblPersistFolder2;
  61
  62     /* both paths are parsible from the desktop */
  63     LPITEMIDLIST pidlRoot;      /* absolute pidl */
  64     int dwAttributes;           /* attributes returned by GetAttributesOf FIXME: use it */
  65 } IGenericSFImpl;
  66
  67 static struct ICOM_VTABLE (IShellFolder2) vt_ShellFolder2;
  68 static struct ICOM_VTABLE (IPersistFolder2) vt_PersistFolder2;
  69
  70 #define _IPersistFolder2_Offset ((int)(&(((IGenericSFImpl*)0)->lpVtblPersistFolder2)))
  71 #define _ICOM_THIS_From_IPersistFolder2(class, name) class* This = (class*)(((char*)name)-_IPersistFolder2_Offset);
  72
  73 /*
  74   converts This to a interface pointer
  75 */
  76 #define _IUnknown_(This)        (IUnknown*)&(This->lpVtbl)
  77 #define _IShellFolder_(This)    (IShellFolder*)&(This->lpVtbl)
  78 #define _IShellFolder2_(This)   (IShellFolder2*)&(This->lpVtbl)
  79
  80 #define _IPersist_(This)        (IPersist*)&(This->lpVtblPersistFolder2)
  81 #define _IPersistFolder_(This)  (IPersistFolder*)&(This->lpVtblPersistFolder2)
  82 #define _IPersistFolder2_(This) (IPersistFolder2*)&(This->lpVtblPersistFolder2)
  83
  84 /***********************************************************************
  85 *   IShellFolder [MyComputer] implementation
  86 */
  87
  88 static shvheader MyComputerSFHeader[] = {
  89     {IDS_SHV_COLUMN1, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
  90     {IDS_SHV_COLUMN3, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  91     {IDS_SHV_COLUMN6, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  92     {IDS_SHV_COLUMN7, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  93 };
  94
  95 #define MYCOMPUTERSHELLVIEWCOLUMNS 4
  96
  97 /**************************************************************************
  98 *       ISF_MyComputer_Constructor
  99 */
 100 HRESULT WINAPI ISF_MyComputer_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
 101 {
 102     IGenericSFImpl *sf;
 103
 104     TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
 105
 106     if (!ppv)
 107         return E_POINTER;
 108     if (pUnkOuter)
 109         return CLASS_E_NOAGGREGATION;
 110
 111     sf = (IGenericSFImpl *) LocalAlloc (GMEM_ZEROINIT, sizeof (IGenericSFImpl));
 112     if (!sf)
 113         return E_OUTOFMEMORY;
 114
 115     sf->ref = 0;
 116     sf->lpVtbl = &vt_ShellFolder2;
 117     sf->lpVtblPersistFolder2 = &vt_PersistFolder2;
 118     sf->pidlRoot = _ILCreateMyComputer ();      /* my qualified pidl */
 119
 120     if (!SUCCEEDED (IUnknown_QueryInterface (_IUnknown_ (sf), riid, ppv))) {
 121         IUnknown_Release (_IUnknown_ (sf));
 122         return E_NOINTERFACE;
 123     }
 124
 125     TRACE ("--(%p)\n", sf);
 126     return S_OK;
 127 }
 128
 129 /**************************************************************************
 130  *      ISF_MyComputer_fnQueryInterface
 131  *
 132  * NOTES supports not IPersist/IPersistFolder
 133  */
 134 static HRESULT WINAPI ISF_MyComputer_fnQueryInterface (IShellFolder2 * iface, REFIID riid, LPVOID * ppvObj)
 135 {
 136     ICOM_THIS (IGenericSFImpl, iface);
 137
 138     TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
 139
 140     *ppvObj = NULL;
 141
 142     if (IsEqualIID (riid, &IID_IUnknown) ||
 143         IsEqualIID (riid, &IID_IShellFolder) || IsEqualIID (riid, &IID_IShellFolder2)) {
 144         *ppvObj = This;
 145     } else if (IsEqualIID (riid, &IID_IPersist) ||
 146                IsEqualIID (riid, &IID_IPersistFolder) || IsEqualIID (riid, &IID_IPersistFolder2)) {
 147         *ppvObj = _IPersistFolder2_ (This);
 148     }
 149
 150     if (*ppvObj) {
 151         IUnknown_AddRef ((IUnknown *) (*ppvObj));
 152         TRACE ("-- Interface: (%p)->(%p)\n", ppvObj, *ppvObj);
 153         return S_OK;
 154     }
 155     TRACE ("-- Interface: E_NOINTERFACE\n");
 156     return E_NOINTERFACE;
 157 }
 158
 159 static ULONG WINAPI ISF_MyComputer_fnAddRef (IShellFolder2 * iface)
 160 {
 161     ICOM_THIS (IGenericSFImpl, iface);
 162
 163     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 164
 165     return ++(This->ref);
 166 }
 167
 168 static ULONG WINAPI ISF_MyComputer_fnRelease (IShellFolder2 * iface)
 169 {
 170     ICOM_THIS (IGenericSFImpl, iface);
 171
 172     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 173
 174     if (!--(This->ref)) {
 175         TRACE ("-- destroying IShellFolder(%p)\n", This);
 176         if (This->pidlRoot)
 177             SHFree (This->pidlRoot);
 178         LocalFree ((HLOCAL) This);
 179         return 0;
 180     }
 181     return This->ref;
 182 }
 183
 184 /**************************************************************************
 185 *       ISF_MyComputer_fnParseDisplayName
 186 */
 187 static HRESULT WINAPI
 188 ISF_MyComputer_fnParseDisplayName (IShellFolder2 * iface,
 189                                    HWND hwndOwner,
 190                                    LPBC pbc,
 191                                    LPOLESTR lpszDisplayName,
 192                                    DWORD * pchEaten, LPITEMIDLIST * ppidl, DWORD * pdwAttributes)
 193 {
 194     ICOM_THIS (IGenericSFImpl, iface);
 195
 196     HRESULT hr = E_INVALIDARG;
 197     LPCWSTR szNext = NULL;
 198     WCHAR szElement[MAX_PATH];
 199     LPITEMIDLIST pidlTemp = NULL;
 200     CLSID clsid;
 201
 202     TRACE ("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n",
 203            This, hwndOwner, pbc, lpszDisplayName, debugstr_w (lpszDisplayName), pchEaten, ppidl, pdwAttributes);
 204
 205     *ppidl = 0;
 206     if (pchEaten)
 207         *pchEaten = 0;          /* strange but like the original */
 208
 209     /* handle CLSID paths */
 210     if (lpszDisplayName[0] == ':' && lpszDisplayName[1] == ':') {
 211         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 212         TRACE ("-- element: %s\n", debugstr_w (szElement));
 213         SHCLSIDFromStringW (szElement + 2, &clsid);
 214         pidlTemp = _ILCreateGuid (PT_GUID, &clsid);
 215     }
 216     /* do we have an absolute path name ? */
 217     else if (PathGetDriveNumberW (lpszDisplayName) >= 0 && lpszDisplayName[2] == (WCHAR) '\\') {
 218         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 219         pidlTemp = _ILCreateDrive (szElement);
 220     }
 221
 222     if (szNext && *szNext) {
 223         hr = SHELL32_ParseNextElement (iface, hwndOwner, pbc, &pidlTemp, (LPOLESTR) szNext, pchEaten, pdwAttributes);
 224     } else {
 225         if (pdwAttributes && *pdwAttributes) {
 226             SHELL32_GetItemAttributes (_IShellFolder_ (This), pidlTemp, pdwAttributes);
 227         }
 228         hr = S_OK;
 229     }
 230
 231     *ppidl = pidlTemp;
 232
 233     TRACE ("(%p)->(-- ret=0x%08lx)\n", This, hr);
 234
 235     return hr;
 236 }
 237
 238 /**************************************************************************
 239  *  CreateMyCompEnumList()
 240  */
 241 static BOOL CreateMyCompEnumList(IEnumIDList *list, DWORD dwFlags)
 242 {
 243     BOOL ret = TRUE;
 244
 245     TRACE("(%p)->(flags=0x%08lx) \n",list,dwFlags);
 246
 247     /*enumerate the folders*/
 248     if(dwFlags & SHCONTF_FOLDERS)
 249     {
 250         WCHAR wszDriveName[] = {'A', ':', '\\', '\0'};
 251         DWORD dwDrivemap = GetLogicalDrives();
 252         HKEY hkey;
 253
 254         while (ret && wszDriveName[0]<='Z')
 255         {
 256             if(dwDrivemap & 0x00000001L)
 257                 ret = AddToEnumList(list, _ILCreateDrive(wszDriveName));
 258             wszDriveName[0]++;
 259             dwDrivemap = dwDrivemap >> 1;
 260         }
 261
 262         TRACE("-- (%p)-> enumerate (mycomputer shell extensions)\n",list);
 263         if (ret && !RegOpenKeyExA(HKEY_LOCAL_MACHINE,
 264          "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\explorer\\mycomputer\\NameSpace",
 265          0, KEY_READ, &hkey))
 266         {
 267             char iid[50];
 268             int i=0;
 269
 270             while (ret)
 271             {
 272                 DWORD size = sizeof (iid);
 273                 LONG apiRet = RegEnumKeyExA(hkey, i, iid, &size, 0, NULL, NULL,
 274                  NULL);
 275
 276                 if (ERROR_SUCCESS == apiRet)
 277                 {
 278                     /* FIXME: shell extensions, shouldn't the type be
 279                      * PT_SHELLEXT? */
 280                     ret = AddToEnumList(list, _ILCreateGuidFromStrA(iid));
 281                     i++;
 282                 }
 283                 else if (ERROR_NO_MORE_ITEMS == apiRet)
 284                     break;
 285                 else
 286                     ret = FALSE;
 287             }
 288             RegCloseKey(hkey);
 289         }
 290     }
 291     return ret;
 292 }
 293
 294 /**************************************************************************
 295 *               ISF_MyComputer_fnEnumObjects
 296 */
 297 static HRESULT WINAPI
 298 ISF_MyComputer_fnEnumObjects (IShellFolder2 * iface, HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST * ppEnumIDList)
 299 {
 300     ICOM_THIS (IGenericSFImpl, iface);
 301
 302     TRACE ("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n", This, hwndOwner, dwFlags, ppEnumIDList);
 303
 304     *ppEnumIDList = IEnumIDList_Constructor();
 305     if (*ppEnumIDList)
 306         CreateMyCompEnumList(*ppEnumIDList, dwFlags);
 307
 308     TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);
 309
 310     return (*ppEnumIDList) ? S_OK : E_OUTOFMEMORY;
 311 }
 312
 313 /**************************************************************************
 314 *               ISF_MyComputer_fnBindToObject
 315 */
 316 static HRESULT WINAPI
 317 ISF_MyComputer_fnBindToObject (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 318                                LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 319 {
 320     ICOM_THIS (IGenericSFImpl, iface);
 321
 322     TRACE ("(%p)->(pidl=%p,%p,%s,%p)\n", This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 323
 324     return SHELL32_BindToChild (This->pidlRoot, NULL, pidl, riid, ppvOut);
 325 }
 326
 327 /**************************************************************************
 328 *       ISF_MyComputer_fnBindToStorage
 329 */
 330 static HRESULT WINAPI
 331 ISF_MyComputer_fnBindToStorage (IShellFolder2 * iface,
 332                                 LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 333 {
 334     ICOM_THIS (IGenericSFImpl, iface);
 335
 336     FIXME ("(%p)->(pidl=%p,%p,%s,%p) stub\n", This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 337
 338     *ppvOut = NULL;
 339     return E_NOTIMPL;
 340 }
 341
 342 /**************************************************************************
 343 *       ISF_MyComputer_fnCompareIDs
 344 */
 345
 346 static HRESULT WINAPI
 347 ISF_MyComputer_fnCompareIDs (IShellFolder2 * iface, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 348 {
 349     ICOM_THIS (IGenericSFImpl, iface);
 350
 351     int nReturn;
 352
 353     TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
 354     nReturn = SHELL32_CompareIDs (_IShellFolder_ (This), lParam, pidl1, pidl2);
 355     TRACE ("-- %i\n", nReturn);
 356     return nReturn;
 357 }
 358
 359 /**************************************************************************
 360 *       ISF_MyComputer_fnCreateViewObject
 361 */
 362 static HRESULT WINAPI
 363 ISF_MyComputer_fnCreateViewObject (IShellFolder2 * iface, HWND hwndOwner, REFIID riid, LPVOID * ppvOut)
 364 {
 365     ICOM_THIS (IGenericSFImpl, iface);
 366
 367     LPSHELLVIEW pShellView;
 368     HRESULT hr = E_INVALIDARG;
 369
 370     TRACE ("(%p)->(hwnd=%p,%s,%p)\n", This, hwndOwner, shdebugstr_guid (riid), ppvOut);
 371
 372     if (ppvOut) {
 373         *ppvOut = NULL;
 374
 375         if (IsEqualIID (riid, &IID_IDropTarget)) {
 376             WARN ("IDropTarget not implemented\n");
 377             hr = E_NOTIMPL;
 378         } else if (IsEqualIID (riid, &IID_IContextMenu)) {
 379             WARN ("IContextMenu not implemented\n");
 380             hr = E_NOTIMPL;
 381         } else if (IsEqualIID (riid, &IID_IShellView)) {
 382             pShellView = IShellView_Constructor ((IShellFolder *) iface);
 383             if (pShellView) {
 384                 hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
 385                 IShellView_Release (pShellView);
 386             }
 387         }
 388     }
 389     TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
 390     return hr;
 391 }
 392
 393 /**************************************************************************
 394 *  ISF_MyComputer_fnGetAttributesOf
 395 */
 396 static HRESULT WINAPI
 397 ISF_MyComputer_fnGetAttributesOf (IShellFolder2 * iface, UINT cidl, LPCITEMIDLIST * apidl, DWORD * rgfInOut)
 398 {
 399     ICOM_THIS (IGenericSFImpl, iface);
 400
 401     HRESULT hr = S_OK;
 402
 403     TRACE ("(%p)->(cidl=%d apidl=%p mask=0x%08lx)\n", This, cidl, apidl, *rgfInOut);
 404
 405     if ((!cidl) || (!apidl) || (!rgfInOut))
 406         return E_INVALIDARG;
 407
 408     if (*rgfInOut == 0)
 409         *rgfInOut = ~0;
 410
 411     while (cidl > 0 && *apidl) {
 412         pdump (*apidl);
 413         SHELL32_GetItemAttributes (_IShellFolder_ (This), *apidl, rgfInOut);
 414         apidl++;
 415         cidl--;
 416     }
 417
 418     TRACE ("-- result=0x%08lx\n", *rgfInOut);
 419     return hr;
 420 }
 421
 422 /**************************************************************************
 423 *       ISF_MyComputer_fnGetUIObjectOf
 424 *
 425 * PARAMETERS
 426 *  HWND           hwndOwner, //[in ] Parent window for any output
 427 *  UINT           cidl,      //[in ] array size
 428 *  LPCITEMIDLIST* apidl,     //[in ] simple pidl array
 429 *  REFIID         riid,      //[in ] Requested Interface
 430 *  UINT*          prgfInOut, //[   ] reserved
 431 *  LPVOID*        ppvObject) //[out] Resulting Interface
 432 *
 433 */
 434 static HRESULT WINAPI
 435 ISF_MyComputer_fnGetUIObjectOf (IShellFolder2 * iface,
 436                                 HWND hwndOwner,
 437                                 UINT cidl, LPCITEMIDLIST * apidl, REFIID riid, UINT * prgfInOut, LPVOID * ppvOut)
 438 {
 439     ICOM_THIS (IGenericSFImpl, iface);
 440
 441     LPITEMIDLIST pidl;
 442     IUnknown *pObj = NULL;
 443     HRESULT hr = E_INVALIDARG;
 444
 445     TRACE ("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n",
 446            This, hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);
 447
 448     if (ppvOut) {
 449         *ppvOut = NULL;
 450
 451         if (IsEqualIID (riid, &IID_IContextMenu) && (cidl >= 1)) {
 452             pObj = (LPUNKNOWN) ISvItemCm_Constructor ((IShellFolder *) iface, This->pidlRoot, apidl, cidl);
 453             hr = S_OK;
 454         } else if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1)) {
 455             pObj = (LPUNKNOWN) IDataObject_Constructor (hwndOwner, This->pidlRoot, apidl, cidl);
 456             hr = S_OK;
 457         } else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1)) {
 458             pidl = ILCombine (This->pidlRoot, apidl[0]);
 459             pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
 460             SHFree (pidl);
 461             hr = S_OK;
 462         } else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1)) {
 463             pidl = ILCombine (This->pidlRoot, apidl[0]);
 464             pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
 465             SHFree (pidl);
 466             hr = S_OK;
 467         } else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1)) {
 468             hr = IShellFolder_QueryInterface (iface, &IID_IDropTarget, (LPVOID *) & pObj);
 469         } else if ((IsEqualIID(riid,&IID_IShellLinkW) || IsEqualIID(riid,&IID_IShellLinkA))
 470                                 && (cidl == 1)) {
 471             pidl = ILCombine (This->pidlRoot, apidl[0]);
 472             hr = IShellLink_ConstructFromFile(NULL, riid, pidl, (LPVOID*)&pObj);
 473             SHFree (pidl);
 474         } else {
 475             hr = E_NOINTERFACE;
 476         }
 477
 478         if (SUCCEEDED(hr) && !pObj)
 479             hr = E_OUTOFMEMORY;
 480
 481         *ppvOut = pObj;
 482     }
 483     TRACE ("(%p)->hr=0x%08lx\n", This, hr);
 484     return hr;
 485 }
 486
 487 /**************************************************************************
 488 *       ISF_MyComputer_fnGetDisplayNameOf
 489 */
 490 static HRESULT WINAPI ISF_MyComputer_fnGetDisplayNameOf (IShellFolder2 * iface, LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET strRet)
 491 {
 492     ICOM_THIS (IGenericSFImpl, iface);
 493
 494     char szPath[MAX_PATH],
 495       szDrive[18];
 496     int len = 0;
 497     BOOL bSimplePidl;
 498     HRESULT hr = S_OK;
 499
 500     TRACE ("(%p)->(pidl=%p,0x%08lx,%p)\n", This, pidl, dwFlags, strRet);
 501     pdump (pidl);
 502
 503     if (!strRet)
 504         return E_INVALIDARG;
 505
 506     szPath[0] = 0x00;
 507     szDrive[0] = 0x00;
 508
 509     bSimplePidl = _ILIsPidlSimple (pidl);
 510
 511     if (!pidl->mkid.cb) {
 512         /* parsing name like ::{...} */
 513         lstrcpyA (szPath, "::");
 514         SHELL32_GUIDToStringA(&CLSID_MyComputer, &szPath[2]);
 515     } else if (_ILIsSpecialFolder (pidl)) {
 516         /* take names of special folders only if its only this folder */
 517         if (bSimplePidl) {
 518             GUID const *clsid;
 519
 520             if ((clsid = _ILGetGUIDPointer (pidl))) {
 521                 if (GET_SHGDN_FOR (dwFlags) == SHGDN_FORPARSING) {
 522                     int bWantsForParsing;
 523
 524                     /*
 525                      * we can only get a filesystem path from a shellfolder if the value WantsFORPARSING in
 526                      * CLSID\\{...}\\shellfolder exists
 527                      * exception: the MyComputer folder has this keys not but like any filesystem backed
 528                      *            folder it needs these behaviour
 529                      */
 530                     /* get the "WantsFORPARSING" flag from the registry */
 531                     char szRegPath[100];
 532
 533                     lstrcpyA (szRegPath, "CLSID\\");
 534                     SHELL32_GUIDToStringA (clsid, &szRegPath[6]);
 535                     lstrcatA (szRegPath, "\\shellfolder");
 536                     bWantsForParsing =
 537                         (ERROR_SUCCESS ==
 538                          SHGetValueA (HKEY_CLASSES_ROOT, szRegPath, "WantsFORPARSING", NULL, NULL, NULL));
 539
 540                     if ((GET_SHGDN_RELATION (dwFlags) == SHGDN_NORMAL) && bWantsForParsing) {
 541                         /* we need the filesystem path to the destination folder. Only the folder itself can know it */
 542                         hr = SHELL32_GetDisplayNameOfChild (iface, pidl, dwFlags, szPath, MAX_PATH);
 543                     } else {
 544                         LPSTR p;
 545
 546                         /* parsing name like ::{...} */
 547                         p = lstrcpyA(szPath, "::") + 2;
 548                         p += SHELL32_GUIDToStringA(&CLSID_MyComputer, p);
 549
 550                         lstrcatA(p, "\\::");
 551                         p += 3;
 552                         SHELL32_GUIDToStringA(clsid, p);
 553                     }
 554                 } else {
 555                     /* user friendly name */
 556                     HCR_GetClassNameA (clsid, szPath, MAX_PATH);
 557                 }
 558             } else
 559                 _ILSimpleGetText (pidl, szPath, MAX_PATH);      /* append my own path */
 560         } else {
 561             FIXME ("special folder\n");
 562         }
 563     } else {
 564         if (!_ILIsDrive (pidl)) {
 565             ERR ("Wrong pidl type\n");
 566             return E_INVALIDARG;
 567         }
 568
 569         _ILSimpleGetText (pidl, szPath, MAX_PATH);      /* append my own path */
 570
 571         /* long view "lw_name (C:)" */
 572         if (bSimplePidl && !(dwFlags & SHGDN_FORPARSING)) {
 573             DWORD dwVolumeSerialNumber,
 574               dwMaximumComponetLength,
 575               dwFileSystemFlags;
 576
 577             GetVolumeInformationA (szPath, szDrive, sizeof (szDrive) - 6, &dwVolumeSerialNumber,
 578                                    &dwMaximumComponetLength, &dwFileSystemFlags, NULL, 0);
 579             strcat (szDrive, " (");
 580             strncat (szDrive, szPath, 2);
 581             strcat (szDrive, ")");
 582             strcpy (szPath, szDrive);
 583         }
 584     }
 585
 586     if (!bSimplePidl) {         /* go deeper if needed */
 587         PathAddBackslashA (szPath);
 588         len = strlen (szPath);
 589
 590         hr = SHELL32_GetDisplayNameOfChild (iface, pidl, dwFlags | SHGDN_INFOLDER, szPath + len, MAX_PATH - len);
 591     }
 592
 593     if (SUCCEEDED (hr)) {
 594         strRet->uType = STRRET_CSTR;
 595         lstrcpynA (strRet->u.cStr, szPath, MAX_PATH);
 596     }
 597
 598     TRACE ("-- (%p)->(%s)\n", This, szPath);
 599     return hr;
 600 }
 601
 602 /**************************************************************************
 603 *  ISF_MyComputer_fnSetNameOf
 604 *  Changes the name of a file object or subfolder, possibly changing its item
 605 *  identifier in the process.
 606 *
 607 * PARAMETERS
 608 *  HWND          hwndOwner,  //[in ] Owner window for output
 609 *  LPCITEMIDLIST pidl,       //[in ] simple pidl of item to change
 610 *  LPCOLESTR     lpszName,   //[in ] the items new display name
 611 *  DWORD         dwFlags,    //[in ] SHGNO formatting flags
 612 *  LPITEMIDLIST* ppidlOut)   //[out] simple pidl returned
 613 */
 614 static HRESULT WINAPI ISF_MyComputer_fnSetNameOf (IShellFolder2 * iface, HWND hwndOwner, LPCITEMIDLIST pidl,    /*simple pidl */
 615                                                   LPCOLESTR lpName, DWORD dwFlags, LPITEMIDLIST * pPidlOut)
 616 {
 617     ICOM_THIS (IGenericSFImpl, iface);
 618     FIXME ("(%p)->(%p,pidl=%p,%s,%lu,%p)\n", This, hwndOwner, pidl, debugstr_w (lpName), dwFlags, pPidlOut);
 619     return E_FAIL;
 620 }
 621
 622 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultSearchGUID (IShellFolder2 * iface, GUID * pguid)
 623 {
 624     ICOM_THIS (IGenericSFImpl, iface);
 625     FIXME ("(%p)\n", This);
 626     return E_NOTIMPL;
 627 }
 628 static HRESULT WINAPI ISF_MyComputer_fnEnumSearches (IShellFolder2 * iface, IEnumExtraSearch ** ppenum)
 629 {
 630     ICOM_THIS (IGenericSFImpl, iface);
 631     FIXME ("(%p)\n", This);
 632     return E_NOTIMPL;
 633 }
 634 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumn (IShellFolder2 * iface, DWORD dwRes, ULONG * pSort, ULONG * pDisplay)
 635 {
 636     ICOM_THIS (IGenericSFImpl, iface);
 637
 638     TRACE ("(%p)\n", This);
 639
 640     if (pSort) *pSort = 0;
 641     if (pDisplay) *pDisplay = 0;
 642     return S_OK;
 643 }
 644 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumnState (IShellFolder2 * iface, UINT iColumn, DWORD * pcsFlags)
 645 {
 646     ICOM_THIS (IGenericSFImpl, iface);
 647
 648     TRACE ("(%p)\n", This);
 649
 650     if (!pcsFlags || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS) return E_INVALIDARG;
 651     *pcsFlags = MyComputerSFHeader[iColumn].pcsFlags;
 652     return S_OK;
 653 }
 654 static HRESULT WINAPI ISF_MyComputer_fnGetDetailsEx (IShellFolder2 * iface, LPCITEMIDLIST pidl, const SHCOLUMNID * pscid, VARIANT * pv)
 655 {
 656     ICOM_THIS (IGenericSFImpl, iface);
 657     FIXME ("(%p)\n", This);
 658     return E_NOTIMPL;
 659 }
 660
 661 /* FIXME: drive size >4GB is rolling over */
 662 static HRESULT WINAPI ISF_MyComputer_fnGetDetailsOf (IShellFolder2 * iface, LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS * psd)
 663 {
 664     ICOM_THIS (IGenericSFImpl, iface);
 665     HRESULT hr;
 666
 667     TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);
 668
 669     if (!psd || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS)
 670         return E_INVALIDARG;
 671
 672     if (!pidl) {
 673         psd->fmt = MyComputerSFHeader[iColumn].fmt;
 674         psd->cxChar = MyComputerSFHeader[iColumn].cxChar;
 675         psd->str.uType = STRRET_CSTR;
 676         LoadStringA (shell32_hInstance, MyComputerSFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
 677         return S_OK;
 678     } else {
 679         char szPath[MAX_PATH];
 680         ULARGE_INTEGER ulBytes;
 681
 682         psd->str.u.cStr[0] = 0x00;
 683         psd->str.uType = STRRET_CSTR;
 684         switch (iColumn) {
 685         case 0:         /* name */
 686             hr = IShellFolder_GetDisplayNameOf (iface, pidl, SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
 687             break;
 688         case 1:         /* type */
 689             _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
 690             break;
 691         case 2:         /* total size */
 692             if (_ILIsDrive (pidl)) {
 693                 _ILSimpleGetText (pidl, szPath, MAX_PATH);
 694                 GetDiskFreeSpaceExA (szPath, NULL, &ulBytes, NULL);
 695                 StrFormatByteSizeA (ulBytes.u.LowPart, psd->str.u.cStr, MAX_PATH);
 696             }
 697             break;
 698         case 3:         /* free size */
 699             if (_ILIsDrive (pidl)) {
 700                 _ILSimpleGetText (pidl, szPath, MAX_PATH);
 701                 GetDiskFreeSpaceExA (szPath, &ulBytes, NULL, NULL);
 702                 StrFormatByteSizeA (ulBytes.u.LowPart, psd->str.u.cStr, MAX_PATH);
 703             }
 704             break;
 705         }
 706         hr = S_OK;
 707     }
 708
 709     return hr;
 710 }
 711 static HRESULT WINAPI ISF_MyComputer_fnMapColumnToSCID (IShellFolder2 * iface, UINT column, SHCOLUMNID * pscid)
 712 {
 713     ICOM_THIS (IGenericSFImpl, iface);
 714     FIXME ("(%p)\n", This);
 715     return E_NOTIMPL;
 716 }
 717
 718 static ICOM_VTABLE (IShellFolder2) vt_ShellFolder2 =
 719 {
 720         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 721         ISF_MyComputer_fnQueryInterface,
 722         ISF_MyComputer_fnAddRef,
 723         ISF_MyComputer_fnRelease,
 724         ISF_MyComputer_fnParseDisplayName,
 725         ISF_MyComputer_fnEnumObjects,
 726         ISF_MyComputer_fnBindToObject,
 727         ISF_MyComputer_fnBindToStorage,
 728         ISF_MyComputer_fnCompareIDs,
 729         ISF_MyComputer_fnCreateViewObject,
 730         ISF_MyComputer_fnGetAttributesOf,
 731         ISF_MyComputer_fnGetUIObjectOf,
 732         ISF_MyComputer_fnGetDisplayNameOf,
 733         ISF_MyComputer_fnSetNameOf,
 734         /* ShellFolder2 */
 735         ISF_MyComputer_fnGetDefaultSearchGUID,
 736         ISF_MyComputer_fnEnumSearches,
 737         ISF_MyComputer_fnGetDefaultColumn,
 738         ISF_MyComputer_fnGetDefaultColumnState,
 739         ISF_MyComputer_fnGetDetailsEx,
 740         ISF_MyComputer_fnGetDetailsOf,
 741         ISF_MyComputer_fnMapColumnToSCID
 742 };
 743
 744 /************************************************************************
 745  *      IMCFldr_PersistFolder2_QueryInterface
 746  */
 747 static HRESULT WINAPI IMCFldr_PersistFolder2_QueryInterface (IPersistFolder2 * iface, REFIID iid, LPVOID * ppvObj)
 748 {
 749     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 750
 751     TRACE ("(%p)\n", This);
 752
 753     return IUnknown_QueryInterface (_IUnknown_ (This), iid, ppvObj);
 754 }
 755
 756 /************************************************************************
 757  *      IMCFldr_PersistFolder2_AddRef
 758  */
 759 static ULONG WINAPI IMCFldr_PersistFolder2_AddRef (IPersistFolder2 * iface)
 760 {
 761     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 762
 763     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 764
 765     return IUnknown_AddRef (_IUnknown_ (This));
 766 }
 767
 768 /************************************************************************
 769  *      ISFPersistFolder_Release
 770  */
 771 static ULONG WINAPI IMCFldr_PersistFolder2_Release (IPersistFolder2 * iface)
 772 {
 773     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 774
 775     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 776
 777     return IUnknown_Release (_IUnknown_ (This));
 778 }
 779
 780 /************************************************************************
 781  *      IMCFldr_PersistFolder2_GetClassID
 782  */
 783 static HRESULT WINAPI IMCFldr_PersistFolder2_GetClassID (IPersistFolder2 * iface, CLSID * lpClassId)
 784 {
 785     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 786
 787     TRACE ("(%p)\n", This);
 788
 789     if (!lpClassId)
 790         return E_POINTER;
 791     *lpClassId = CLSID_MyComputer;
 792
 793     return S_OK;
 794 }
 795
 796 /************************************************************************
 797  *      IMCFldr_PersistFolder2_Initialize
 798  *
 799  * NOTES: it makes no sense to change the pidl
 800  */
 801 static HRESULT WINAPI IMCFldr_PersistFolder2_Initialize (IPersistFolder2 * iface, LPCITEMIDLIST pidl)
 802 {
 803     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 804     TRACE ("(%p)->(%p)\n", This, pidl);
 805     return E_NOTIMPL;
 806 }
 807
 808 /**************************************************************************
 809  *      IPersistFolder2_fnGetCurFolder
 810  */
 811 static HRESULT WINAPI IMCFldr_PersistFolder2_GetCurFolder (IPersistFolder2 * iface, LPITEMIDLIST * pidl)
 812 {
 813     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 814
 815     TRACE ("(%p)->(%p)\n", This, pidl);
 816
 817     if (!pidl)
 818         return E_POINTER;
 819     *pidl = ILClone (This->pidlRoot);
 820     return S_OK;
 821 }
 822
 823 static ICOM_VTABLE (IPersistFolder2) vt_PersistFolder2 =
 824 {
 825 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 826         IMCFldr_PersistFolder2_QueryInterface,
 827         IMCFldr_PersistFolder2_AddRef,
 828         IMCFldr_PersistFolder2_Release,
 829         IMCFldr_PersistFolder2_GetClassID,
 830         IMCFldr_PersistFolder2_Initialize,
 831         IMCFldr_PersistFolder2_GetCurFolder
 832 };