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   1 /*
   2  * UNIXFS - Shell namespace extension for the unix filesystem
   3  *
   4  * Copyright (C) 2005 Michael Jung
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdio.h>
  22 #include <stdarg.h>
  23 #include <dirent.h>
  24
  25 #define COBJMACROS
  26 #define NONAMELESSUNION
  27 #define NONAMELESSSTRUCT
  28
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winuser.h"
  32 #include "objbase.h"
  33 #include "wine/debug.h"
  34
  35 #include "shell32_main.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  38
  39 const GUID CLSID_UnixFolder = {0xcc702eb2, 0x7dc5, 0x11d9, {0xc6, 0x87, 0x00, 0x04, 0x23, 0x8a, 0x01, 0xcd}};
  40
  41 #define ADJUST_THIS(c,m,p) ((c*)(((long)p)-(long)&(((c*)0)->lp##m##Vtbl)))
  42 #define STATIC_CAST(i,p) ((i*)&p->lp##i##Vtbl)
  43
  44 /******************************************************************************
  45  * UNIXFS_path_to_pidl [Internal]
  46  *
  47  * PARAMS
  48  *  path  [I] An absolute unix path
  49  *  ppidl [O] The corresponding ITEMIDLIST. Release with SHFree/ILFree
  50  *
  51  * RETURNS
  52  *  Success: TRUE
  53  *  Failure: FALSE, invalid params, path not absolute or out of memory
  54  *
  55  * NOTES
  56  *  'path' has to be an absolute unix filesystem path starting and
  57  *  ending with a slash ('/'). Currently, only directories (no files)
  58  *  are accepted.
  59  */
  60 static BOOL UNIXFS_path_to_pidl(char *path, LPITEMIDLIST *ppidl) {
  61     LPITEMIDLIST pidl;
  62     int cSubDirs, cPidlLen;
  63     char *pSlash, *pSubDir;
  64
  65     /* Fail, if no absolute path given */
  66     if (!ppidl || !path || path[0] != '/') return FALSE;
  67
  68     /* Count the number of sub-directories in the path */
  69     cSubDirs = 0;
  70     pSlash = strchr(path, '/');
  71     while (pSlash) {
  72         cSubDirs++;
  73         pSlash = strchr(pSlash+1, '/');
  74     }
  75
  76     /* Allocate enough memory to hold the path */
  77     cPidlLen = strlen(path) + cSubDirs * sizeof(USHORT) + sizeof(USHORT);
  78     *ppidl = pidl = (LPITEMIDLIST)SHAlloc(cPidlLen);
  79     if (!pidl) return FALSE;
  80
  81     /* Start with a SHITEMID for the root directory */
  82     pidl->mkid.cb = 3;
  83     pidl->mkid.abID[0] = '/';
  84     pidl = ILGetNext(pidl);
  85
  86     /* Append SHITEMIDs for the sub-directories */
  87     pSubDir = path + 1;
  88     pSlash = strchr(pSubDir, '/');
  89     while (pSlash) {
  90         pidl->mkid.cb = (USHORT)(pSlash+3-pSubDir);
  91         memcpy(pidl->mkid.abID, pSubDir, pidl->mkid.cb);
  92         pSubDir = pSlash + 1;
  93         pSlash = strchr(pSubDir, '/');
  94         pidl = ILGetNext(pidl);
  95     }
  96     pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
  97
  98     /* Path doesn't end with a '/' */
  99     if (*pSubDir)
 100         WARN("Path '%s' not in canonical form.\n", path);
 101
 102     return TRUE;
 103 }
 104
 105 /******************************************************************************
 106  * UNIXFS_pidl_to_path [Internal]
 107  *
 108  * Construct the unix path that corresponds to a fully qualified ITEMIDLIST
 109  *
 110  * PARAMS
 111  *  pidl [I] ITEMIDLIST that specifies the absolute location of the folder
 112  *  path [O] The corresponding unix path as a zero terminated ascii string
 113  *
 114  * RETURNS
 115  *  Success: TRUE
 116  *  Failure: FALSE, pidl doesn't specify a unix path or out of memory
 117  */
 118 static BOOL UNIXFS_pidl_to_path(LPCITEMIDLIST pidl, PSZ *path) {
 119     LPCITEMIDLIST current = pidl, root;
 120     DWORD dwPathLen;
 121     char *pNextDir;
 122
 123     *path = NULL;
 124
 125     /* Find the UnixFolderClass root */
 126     while (current->mkid.cb) {
 127         if (current->mkid.cb < sizeof(GUID)+4) return FALSE;
 128         if (IsEqualIID(&CLSID_UnixFolder, &current->mkid.abID[2])) break;
 129         current = ILGetNext(current);
 130     }
 131     if (!current->mkid.cb) return FALSE;
 132     root = ILGetNext(current);
 133
 134     /* Determine the path's length bytes */
 135     dwPathLen = 1; /* For the terminating '\0' */
 136     current = root;
 137     while (current->mkid.cb) {
 138         dwPathLen += current->mkid.cb - sizeof(USHORT);
 139         current = ILGetNext(current);
 140     };
 141
 142     /* Build the path */
 143     *path = pNextDir = SHAlloc(dwPathLen);
 144     if (!path) {
 145         WARN("SHAlloc failed!\n");
 146         return FALSE;
 147     }
 148     current = root;
 149     while (current->mkid.cb) {
 150         memcpy(pNextDir, current->mkid.abID, current->mkid.cb - sizeof(USHORT));
 151         pNextDir += current->mkid.cb - sizeof(USHORT);
 152         current = ILGetNext(current);
 153     }
 154     *pNextDir='\0';
 155
 156     TRACE("resulting path: %s\n", *path);
 157     return TRUE;
 158 }
 159
 160 /******************************************************************************
 161  * UNIXFS_build_subfolder_pidls [Internal]
 162  *
 163  * Builds an array of subfolder PIDLs relative to a unix directory
 164  *
 165  * PARAMS
 166  *  path   [I] Name of a unix directory as a zero terminated ascii string
 167  *  apidl  [O] The array of PIDLs
 168  *  pCount [O] Size of apidl
 169  *
 170  * RETURNS
 171  *  Success: TRUE
 172  *  Failure: FALSE, path is not a valid unix directory or out of memory
 173  *
 174  * NOTES
 175  *  The array of PIDLs and each PIDL are allocated with SHAlloc. You'll have
 176  *  to release each PIDL as well as the array itself with SHFree.
 177  */
 178 static BOOL UNIXFS_build_subfolder_pidls(const char *path, LPITEMIDLIST **apidl, DWORD *pCount)
 179 {
 180     DIR *dir;
 181     struct dirent *pSubDir;
 182     DWORD cSubDirs, i;
 183     USHORT sLen;
 184
 185     *apidl = NULL;
 186     *pCount = 0;
 187
 188     /* Special case for 'My UNIX Filesystem' shell folder:
 189      * The unix root directory is the only child of 'My UNIX Filesystem'.
 190      */
 191     if (!strlen(path)) {
 192         LPSHITEMID pid;
 193
 194         pid = (LPSHITEMID)SHAlloc(1 + 2 * sizeof(USHORT));
 195         pid->cb = 3;
 196         pid->abID[0] = '/';
 197         memset(((PBYTE)pid)+pid->cb, 0, sizeof(USHORT));
 198
 199         *apidl = SHAlloc(sizeof(LPITEMIDLIST));
 200         (*apidl)[0] = (LPITEMIDLIST)pid;
 201         *pCount = 1;
 202
 203         return TRUE;
 204     }
 205
 206     dir = opendir(path);
 207     if (!dir) {
 208         WARN("Failed to open directory '%s'.\n", path);
 209         return FALSE;
 210     }
 211
 212     /* Count number of sub directories.
 213      */
 214     for (cSubDirs = 0, pSubDir = readdir(dir); pSubDir; pSubDir = readdir(dir)) {
 215         if (strcmp(pSubDir->d_name, ".") &&
 216             strcmp(pSubDir->d_name, "..") &&
 217             pSubDir->d_type == DT_DIR)
 218         {
 219             cSubDirs++;
 220         }
 221     }
 222
 223     /* If there are no subdirectories, we are done. */
 224     if (cSubDirs == 0) {
 225         closedir(dir);
 226         return TRUE;
 227     }
 228
 229     /* Allocate the array of PIDLs */
 230     *apidl = SHAlloc(cSubDirs * sizeof(LPITEMIDLIST));
 231     if (!apidl) {
 232         WARN("SHAlloc failed!\n");
 233         return FALSE;
 234     }
 235
 236     /* Allocate and initialize one SHITEMID per sub-directory. */
 237     for (rewinddir(dir), pSubDir = readdir(dir), i = 0; pSubDir; pSubDir = readdir(dir)) {
 238         LPSHITEMID pid;
 239
 240         if (!strcmp(pSubDir->d_name, ".") ||
 241             !strcmp(pSubDir->d_name, "..") ||
 242             pSubDir->d_type != DT_DIR)
 243         {
 244             continue;
 245         }
 246
 247         sLen = strlen(pSubDir->d_name)+1; /* For the trailing '/' */
 248         pid = (LPSHITEMID)SHAlloc(sLen + 2 * sizeof(USHORT));
 249         if (!pid) {
 250             WARN("SHAlloc failed!\n");
 251             return FALSE;
 252         }
 253
 254         pid->cb = (USHORT)(sLen + sizeof(USHORT));
 255         memcpy(pid->abID, pSubDir->d_name, sLen-1);
 256         pid->abID[sLen-1] = '/';
 257         memset(((PBYTE)pid)+pid->cb, 0, sizeof(USHORT));
 258
 259         (*apidl)[i++] = (LPITEMIDLIST)pid;
 260     }
 261
 262     *pCount = i;
 263     closedir(dir);
 264
 265     return TRUE;
 266 }
 267
 268 /******************************************************************************
 269  * UnixFolderIcon
 270  *
 271  * Singleton class, which is used by the shell to extract icons to represent
 272  * folders in tree- and listviews. Currently, all this singleton does is to
 273  * provide the shell with the absolute path to "shell32.dll" and with the
 274  * indices of the closed and opened folder icons in the resources of this dll.
 275  */
 276
 277 /* UnixFolderIcon object layout and typedef.
 278  */
 279 typedef struct _UnixFolderIcon {
 280     const IExtractIconWVtbl *lpIExtractIconWVtbl;
 281 } UnixFolderIcon;
 282
 283 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_QueryInterface(IExtractIconW *iface, REFIID riid,
 284     void **ppv)
 285 {
 286     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 287
 288     if (!ppv) return E_INVALIDARG;
 289
 290     if (IsEqualIID(&IID_IUnknown, riid) ||
 291         IsEqualIID(&IID_IExtractIconW, riid))
 292     {
 293         *ppv = iface;
 294     } else {
 295         *ppv = NULL;
 296         return E_NOINTERFACE;
 297     }
 298
 299     IExtractIconW_AddRef(iface);
 300     return S_OK;
 301 }
 302
 303 static ULONG WINAPI UnixFolderIcon_IExtractIconW_AddRef(IExtractIconW *iface) {
 304     TRACE("(iface=%p)\n", iface);
 305     return 2;
 306 }
 307
 308 static ULONG WINAPI UnixFolderIcon_IExtractIconW_Release(IExtractIconW *iface) {
 309     TRACE("(iface=%p)\n", iface);
 310     return 1;
 311 }
 312
 313 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_GetIconLocation(IExtractIconW *iface,
 314     UINT uFlags, LPWSTR szIconFile, UINT cchMax, INT* piIndex, UINT* pwFlags)
 315 {
 316     TRACE("(iface=%p, uFlags=%u, szIconFile=%s, cchMax=%u, piIndex=%p, pwFlags=%p)\n",
 317             iface, uFlags, debugstr_w(szIconFile), cchMax, piIndex, pwFlags);
 318
 319     lstrcpynW(szIconFile, swShell32Name, cchMax);
 320     *piIndex = (uFlags & GIL_OPENICON) ? 4 : 3;
 321     *pwFlags = 0;
 322
 323     return S_OK;
 324 }
 325
 326 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_Extract(
 327     IExtractIconW *iface, LPCWSTR pszFile, UINT nIconIndex, HICON* phiconLarge, HICON* phiconSmall,
 328     UINT nIconSize)
 329 {
 330     TRACE("(iface=%p, pszFile=%s, nIconIndex=%u, phiconLarge=%p, phiconSmall=%p, nIconSize=%u)"
 331           "stub\n", iface, debugstr_w(pszFile), nIconIndex, phiconLarge, phiconSmall, nIconSize);
 332
 333     return E_NOTIMPL;
 334 }
 335
 336 /* VTable for the IExtractIconW interface of the UnixFolderIcon class.
 337  */
 338 static const IExtractIconWVtbl UnixFolderIcon_IExtractIconW_Vtbl = {
 339     UnixFolderIcon_IExtractIconW_QueryInterface,
 340     UnixFolderIcon_IExtractIconW_AddRef,
 341     UnixFolderIcon_IExtractIconW_Release,
 342     UnixFolderIcon_IExtractIconW_GetIconLocation,
 343     UnixFolderIcon_IExtractIconW_Extract
 344 };
 345
 346 /* The singleton instance
 347  */
 348 UnixFolderIcon UnixFolderIconSingleton = { &UnixFolderIcon_IExtractIconW_Vtbl };
 349
 350 /******************************************************************************
 351  * UnixFolder
 352  *
 353  * Class whose heap based instances represent unix filesystem directories.
 354  */
 355
 356 /* UnixFolder object layout and typedef.
 357  */
 358 typedef struct _UnixFolder {
 359     const IShellFolderVtbl   *lpIShellFolderVtbl;
 360     const IPersistFolderVtbl *lpIPersistFolderVtbl;
 361     ULONG m_cRef;
 362     CHAR *m_pszPath;
 363     LPITEMIDLIST m_pidlLocation;
 364     LPITEMIDLIST *m_apidlSubDirs;
 365     DWORD m_cSubDirs;
 366 } UnixFolder;
 367
 368 static void UnixFolder_Destroy(UnixFolder *pUnixFolder) {
 369     DWORD i;
 370
 371     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 372
 373     if (pUnixFolder->m_apidlSubDirs)
 374         for (i=0; i < pUnixFolder->m_cSubDirs; i++)
 375             SHFree(pUnixFolder->m_apidlSubDirs[i]);
 376     SHFree(pUnixFolder->m_apidlSubDirs);
 377     SHFree(pUnixFolder->m_pszPath);
 378     ILFree(pUnixFolder->m_pidlLocation);
 379     SHFree(pUnixFolder);
 380 }
 381
 382 static HRESULT WINAPI UnixFolder_IShellFolder_QueryInterface(IShellFolder *iface, REFIID riid,
 383     void **ppv)
 384 {
 385     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder, iface);
 386
 387     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 388
 389     if (!ppv) return E_INVALIDARG;
 390
 391     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IShellFolder, riid)) {
 392         *ppv = &This->lpIShellFolderVtbl;
 393     } else if (IsEqualIID(&IID_IPersistFolder, riid) || IsEqualIID(&IID_IPersist, riid)) {
 394         *ppv = &This->lpIPersistFolderVtbl;
 395     } else {
 396         *ppv = NULL;
 397         return E_NOINTERFACE;
 398     }
 399
 400     IUnknown_AddRef((IUnknown*)*ppv);
 401     return S_OK;
 402 }
 403
 404 static ULONG WINAPI UnixFolder_IShellFolder_AddRef(IShellFolder *iface) {
 405     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder, iface);
 406
 407     TRACE("(iface=%p)\n", iface);
 408
 409     return InterlockedIncrement(&This->m_cRef);
 410 }
 411
 412 static ULONG WINAPI UnixFolder_IShellFolder_Release(IShellFolder *iface) {
 413     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder, iface);
 414     ULONG cRef;
 415
 416     TRACE("(iface=%p)\n", iface);
 417
 418     cRef = InterlockedDecrement(&This->m_cRef);
 419
 420     if (!cRef)
 421         UnixFolder_Destroy(This);
 422
 423     return cRef;
 424 }
 425
 426 static HRESULT WINAPI UnixFolder_IShellFolder_ParseDisplayName(IShellFolder* iface, HWND hwndOwner,
 427     LPBC pbcReserved, LPOLESTR lpszDisplayName, ULONG* pchEaten, LPITEMIDLIST* ppidl,
 428     ULONG* pdwAttributes)
 429 {
 430     int cPathLen;
 431     char *pszAnsiPath;
 432     BOOL result;
 433
 434     TRACE("(iface=%p, hwndOwner=%p, pbcReserved=%p, lpszDisplayName=%s, pchEaten=%p, ppidl=%p, "
 435           "pdwAttributes=%p) stub\n", iface, hwndOwner, pbcReserved, debugstr_w(lpszDisplayName),
 436           pchEaten, ppidl, pdwAttributes);
 437
 438     cPathLen = lstrlenW(lpszDisplayName);
 439     pszAnsiPath = (char*)SHAlloc(cPathLen+1);
 440     WideCharToMultiByte(CP_ACP, 0, lpszDisplayName, -1, pszAnsiPath, cPathLen+1, NULL, NULL);
 441
 442     result = UNIXFS_path_to_pidl(pszAnsiPath, ppidl);
 443
 444     SHFree(pszAnsiPath);
 445
 446     return result ? S_OK : E_FAIL;
 447 }
 448
 449 static IUnknown *UnixSubFolderIterator_Construct(UnixFolder *pUnixFolder);
 450
 451 static HRESULT WINAPI UnixFolder_IShellFolder_EnumObjects(IShellFolder* iface, HWND hwndOwner,
 452     SHCONTF grfFlags, IEnumIDList** ppEnumIDList)
 453 {
 454     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder, iface);
 455     IUnknown *newIterator;
 456     HRESULT hr;
 457
 458     TRACE("(iface=%p, hwndOwner=%p, grfFlags=%08lx, ppEnumIDList=%p)\n",
 459             iface, hwndOwner, grfFlags, ppEnumIDList);
 460
 461     newIterator = UnixSubFolderIterator_Construct(This);
 462     hr = IUnknown_QueryInterface(newIterator, &IID_IEnumIDList, (void**)ppEnumIDList);
 463     IUnknown_Release(newIterator);
 464
 465     return hr;
 466 }
 467
 468 static HRESULT WINAPI UnixFolder_IShellFolder_BindToObject(IShellFolder* iface, LPCITEMIDLIST pidl,
 469     LPBC pbcReserved, REFIID riid, void** ppvOut)
 470 {
 471     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder, iface);
 472     IPersistFolder *persistFolder;
 473     LPITEMIDLIST pidlSubFolder;
 474     HRESULT hr;
 475
 476     TRACE("(iface=%p, pidl=%p, pbcReserver=%p, riid=%p, ppvOut=%p)\n",
 477             iface, pidl, pbcReserved, riid, ppvOut);
 478
 479     hr = UnixFolder_Constructor(NULL, &IID_IPersistFolder, (void**)&persistFolder);
 480     if (!SUCCEEDED(hr)) return hr;
 481     hr = IPersistFolder_QueryInterface(persistFolder, riid, (void**)ppvOut);
 482
 483     pidlSubFolder = ILCombine(This->m_pidlLocation, pidl);
 484     IPersistFolder_Initialize(persistFolder, pidlSubFolder);
 485     IPersistFolder_Release(persistFolder);
 486     ILFree(pidlSubFolder);
 487
 488     return hr;
 489 }
 490
 491 static HRESULT WINAPI UnixFolder_IShellFolder_BindToStorage(IShellFolder* This, LPCITEMIDLIST pidl,
 492     LPBC pbcReserved, REFIID riid, void** ppvObj)
 493 {
 494     TRACE("stub\n");
 495     return E_NOTIMPL;
 496 }
 497
 498 static HRESULT WINAPI UnixFolder_IShellFolder_CompareIDs(IShellFolder* This, LPARAM lParam,
 499     LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 500 {
 501     TRACE("stub\n");
 502     return E_NOTIMPL;
 503 }
 504
 505 static HRESULT WINAPI UnixFolder_IShellFolder_CreateViewObject(IShellFolder* This, HWND hwndOwner,
 506     REFIID riid, void** ppvOut)
 507 {
 508     TRACE("stub\n");
 509     return E_NOTIMPL;
 510 }
 511
 512 static HRESULT WINAPI UnixFolder_IShellFolder_GetAttributesOf(IShellFolder* iface, UINT cidl,
 513     LPCITEMIDLIST* apidl, SFGAOF* rgfInOut)
 514 {
 515     TRACE("(iface=%p, cidl=%u, apidl=%p, rgfInOut=%p) semi-stub\n", iface, cidl, apidl, rgfInOut);
 516
 517     *rgfInOut = *rgfInOut & (SFGAO_FOLDER | SFGAO_HASSUBFOLDER);
 518
 519     return S_OK;
 520 }
 521
 522 static HRESULT WINAPI UnixFolder_IShellFolder_GetUIObjectOf(IShellFolder* iface, HWND hwndOwner,
 523     UINT cidl, LPCITEMIDLIST* apidl, REFIID riid, UINT* prgfInOut, void** ppvOut)
 524 {
 525     TRACE("(iface=%p, hwndOwner=%p, cidl=%d, apidl=%p, riid=%s, prgfInOut=%p, ppv=%p)\n",
 526         iface, hwndOwner, cidl, apidl, debugstr_guid(riid), prgfInOut, ppvOut);
 527
 528     if (IsEqualIID(&IID_IExtractIconW, riid)) {
 529         *ppvOut = &UnixFolderIconSingleton;
 530         return S_OK;
 531     }
 532
 533     return E_NOTIMPL;
 534 }
 535
 536 static HRESULT WINAPI UnixFolder_IShellFolder_GetDisplayNameOf(IShellFolder* iface,
 537     LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET* lpName)
 538 {
 539     LPCSHITEMID pSHItem = (LPCSHITEMID)pidl;
 540     char szName[MAX_PATH];
 541
 542     lpName->uType = STRRET_CSTR;
 543     if (!pidl->mkid.cb) {
 544         strcpy(lpName->u.cStr, "");
 545         return S_OK;
 546     }
 547
 548     memcpy(szName, pSHItem->abID, pSHItem->cb-sizeof(USHORT));
 549     szName[pSHItem->cb-sizeof(USHORT)] = '\0';
 550
 551     TRACE("(iface=%p, pidl=%p, uFlags=%lx, lpName=%p)\n", iface, pidl, uFlags, lpName);
 552
 553     if ((uFlags & SHGDN_FORPARSING) && !(uFlags & SHGDN_INFOLDER)) {
 554         STRRET strSubfolderName;
 555         IShellFolder *pSubFolder;
 556         HRESULT hr;
 557         LPITEMIDLIST pidlFirst;
 558
 559         pidlFirst = ILCloneFirst(pidl);
 560         if (!pidlFirst) {
 561             WARN("ILCloneFirst failed!\n");
 562             return E_FAIL;
 563         }
 564
 565         hr = IShellFolder_BindToObject(iface, pidlFirst, NULL, &IID_IShellFolder,
 566                                        (void**)&pSubFolder);
 567         if (!SUCCEEDED(hr)) {
 568             WARN("BindToObject failed!\n");
 569             ILFree(pidlFirst);
 570             return hr;
 571         }
 572
 573         ILFree(pidlFirst);
 574
 575         hr = IShellFolder_GetDisplayNameOf(pSubFolder, ILGetNext(pidl), uFlags, &strSubfolderName);
 576         if (!SUCCEEDED(hr)) {
 577             WARN("GetDisplayNameOf failed!\n");
 578             return hr;
 579         }
 580
 581         snprintf(lpName->u.cStr, MAX_PATH, "%s%s", szName, strSubfolderName.u.cStr);
 582
 583         IShellFolder_Release(pSubFolder);
 584     } else {
 585         size_t len;
 586         strcpy(lpName->u.cStr, szName);
 587         len = strlen(lpName->u.cStr);
 588         if (len > 1) lpName->u.cStr[len-1] = '\0';
 589     }
 590
 591     return S_OK;
 592 }
 593
 594 static HRESULT WINAPI UnixFolder_IShellFolder_SetNameOf(IShellFolder* This, HWND hwnd,
 595     LPCITEMIDLIST pidl, LPCOLESTR lpszName, SHGDNF uFlags, LPITEMIDLIST* ppidlOut)
 596 {
 597     TRACE("stub\n");
 598     return E_NOTIMPL;
 599 }
 600
 601 /* VTable for UnixFolder's IShellFolder interface.
 602  */
 603 static const IShellFolderVtbl UnixFolder_IShellFolder_Vtbl = {
 604     UnixFolder_IShellFolder_QueryInterface,
 605     UnixFolder_IShellFolder_AddRef,
 606     UnixFolder_IShellFolder_Release,
 607     UnixFolder_IShellFolder_ParseDisplayName,
 608     UnixFolder_IShellFolder_EnumObjects,
 609     UnixFolder_IShellFolder_BindToObject,
 610     UnixFolder_IShellFolder_BindToStorage,
 611     UnixFolder_IShellFolder_CompareIDs,
 612     UnixFolder_IShellFolder_CreateViewObject,
 613     UnixFolder_IShellFolder_GetAttributesOf,
 614     UnixFolder_IShellFolder_GetUIObjectOf,
 615     UnixFolder_IShellFolder_GetDisplayNameOf,
 616     UnixFolder_IShellFolder_SetNameOf
 617 };
 618
 619 static HRESULT WINAPI UnixFolder_IPersistFolder_QueryInterface(IPersistFolder* This, REFIID riid,
 620     void** ppvObject)
 621 {
 622     return UnixFolder_IShellFolder_QueryInterface(
 623                 (IShellFolder*)ADJUST_THIS(UnixFolder, IPersistFolder, This), riid, ppvObject);
 624 }
 625
 626 static ULONG WINAPI UnixFolder_IPersistFolder_AddRef(IPersistFolder* This)
 627 {
 628     return UnixFolder_IShellFolder_AddRef(
 629                 (IShellFolder*)ADJUST_THIS(UnixFolder, IPersistFolder, This));
 630 }
 631
 632 static ULONG WINAPI UnixFolder_IPersistFolder_Release(IPersistFolder* This)
 633 {
 634     return UnixFolder_IShellFolder_Release(
 635                 (IShellFolder*)ADJUST_THIS(UnixFolder, IPersistFolder, This));
 636 }
 637
 638 static HRESULT WINAPI UnixFolder_IPersistFolder_GetClassID(IPersistFolder* This, CLSID* pClassID)
 639 {
 640     TRACE("stub\n");
 641     return E_NOTIMPL;
 642 }
 643
 644 static HRESULT WINAPI UnixFolder_IPersistFolder_Initialize(IPersistFolder* iface, LPCITEMIDLIST pidl)
 645 {
 646     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder, iface);
 647
 648     TRACE("(iface=%p, pidl=%p)\n", iface, pidl);
 649
 650     This->m_pidlLocation = ILClone(pidl);
 651     UNIXFS_pidl_to_path(pidl, &This->m_pszPath);
 652     UNIXFS_build_subfolder_pidls(This->m_pszPath, &This->m_apidlSubDirs, &This->m_cSubDirs);
 653
 654     return S_OK;
 655 }
 656
 657 /* VTable for UnixFolder's IPersistFolder interface.
 658  */
 659 static const IPersistFolderVtbl UnixFolder_IPersistFolder_Vtbl = {
 660     UnixFolder_IPersistFolder_QueryInterface,
 661     UnixFolder_IPersistFolder_AddRef,
 662     UnixFolder_IPersistFolder_Release,
 663     UnixFolder_IPersistFolder_GetClassID,
 664     UnixFolder_IPersistFolder_Initialize
 665 };
 666
 667 /******************************************************************************
 668  * UnixFolder_Constructor [Internal]
 669  *
 670  * PARAMS
 671  *  pUnkOuter [I] Outer class for aggregation. Currently ignored.
 672  *  riid      [I] Interface asked for by the client.
 673  *  ppv       [O] Pointer to an riid interface to the UnixFolder object.
 674  *
 675  * NOTES
 676  *  This is the only function exported from shfldr_unixfs.c. It's called from
 677  *  shellole.c's default class factory and thus has to exhibit a LPFNCREATEINSTANCE
 678  *  compatible signature.
 679  */
 680 HRESULT WINAPI UnixFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
 681     HRESULT hr;
 682     UnixFolder *pUnixFolder;
 683
 684     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
 685
 686     pUnixFolder = SHAlloc((ULONG)sizeof(UnixFolder));
 687     pUnixFolder->lpIShellFolderVtbl = &UnixFolder_IShellFolder_Vtbl;
 688     pUnixFolder->lpIPersistFolderVtbl = &UnixFolder_IPersistFolder_Vtbl;
 689     pUnixFolder->m_cRef = 0;
 690     pUnixFolder->m_pszPath = NULL;
 691     pUnixFolder->m_apidlSubDirs = NULL;
 692     pUnixFolder->m_cSubDirs = 0;
 693
 694     UnixFolder_IShellFolder_AddRef(STATIC_CAST(IShellFolder, pUnixFolder));
 695     hr = UnixFolder_IShellFolder_QueryInterface(STATIC_CAST(IShellFolder, pUnixFolder), riid, ppv);
 696     UnixFolder_IShellFolder_Release(STATIC_CAST(IShellFolder, pUnixFolder));
 697     return hr;
 698 }
 699
 700 /******************************************************************************
 701  * UnixSubFolderIterator
 702  *
 703  * Class whose heap based objects represent iterators over the sub-directories
 704  * of a given UnixFolder object.
 705  */
 706
 707 /* UnixSubFolderIterator object layout and typedef.
 708  */
 709 typedef struct _UnixSubFolderIterator {
 710     const IEnumIDListVtbl *lpIEnumIDListVtbl;
 711     ULONG m_cRef;
 712     UnixFolder *m_pUnixFolder;
 713     ULONG m_cIdx;
 714 } UnixSubFolderIterator;
 715
 716 static void UnixSubFolderIterator_Destroy(UnixSubFolderIterator *iterator) {
 717     TRACE("(iterator=%p)\n", iterator);
 718
 719     UnixFolder_IShellFolder_Release((IShellFolder*)iterator->m_pUnixFolder);
 720     SHFree(iterator);
 721 }
 722
 723 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_QueryInterface(IEnumIDList* iface,
 724     REFIID riid, void** ppv)
 725 {
 726     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 727
 728     if (!ppv) return E_INVALIDARG;
 729
 730     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IEnumIDList, riid)) {
 731         *ppv = iface;
 732     } else {
 733         *ppv = NULL;
 734         return E_NOINTERFACE;
 735     }
 736
 737     IEnumIDList_AddRef(iface);
 738     return S_OK;
 739 }
 740
 741 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_AddRef(IEnumIDList* iface)
 742 {
 743     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
 744
 745     TRACE("(iface=%p)\n", iface);
 746
 747     return InterlockedIncrement(&This->m_cRef);
 748 }
 749
 750 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_Release(IEnumIDList* iface)
 751 {
 752     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
 753     ULONG cRef;
 754
 755     TRACE("(iface=%p)\n", iface);
 756
 757     cRef = InterlockedDecrement(&This->m_cRef);
 758
 759     if (!cRef)
 760         UnixSubFolderIterator_Destroy(This);
 761
 762     return cRef;
 763 }
 764
 765 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Next(IEnumIDList* iface, ULONG celt,
 766     LPITEMIDLIST* rgelt, ULONG* pceltFetched)
 767 {
 768     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
 769     ULONG i;
 770
 771     TRACE("(iface=%p, celt=%ld, rgelt=%p, pceltFetched=%p)\n", iface, celt, rgelt, pceltFetched);
 772
 773     for (i=0; (i < celt) && (This->m_cIdx < This->m_pUnixFolder->m_cSubDirs); i++, This->m_cIdx++) {
 774         rgelt[i] = ILClone(This->m_pUnixFolder->m_apidlSubDirs[This->m_cIdx]);
 775     }
 776
 777     if (pceltFetched)
 778         *pceltFetched = i;
 779
 780     return i == celt ? S_OK : S_FALSE;
 781 }
 782
 783 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Skip(IEnumIDList* iface, ULONG celt)
 784 {
 785     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
 786
 787     TRACE("(iface=%p, celt=%ld)\n", iface, celt);
 788
 789     if (This->m_cIdx + celt > This->m_pUnixFolder->m_cSubDirs) {
 790         This->m_cIdx = This->m_pUnixFolder->m_cSubDirs;
 791         return S_FALSE;
 792     } else {
 793         This->m_cIdx += celt;
 794         return S_OK;
 795     }
 796 }
 797
 798 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Reset(IEnumIDList* iface)
 799 {
 800     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
 801
 802     TRACE("(iface=%p)\n", iface);
 803
 804     This->m_cIdx = 0;
 805
 806     return S_OK;
 807 }
 808
 809 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Clone(IEnumIDList* This,
 810     IEnumIDList** ppenum)
 811 {
 812     TRACE("stub\n");
 813     return E_NOTIMPL;
 814 }
 815
 816 /* VTable for UnixSubFolderIterator's IEnumIDList interface.
 817  */
 818 static const IEnumIDListVtbl UnixSubFolderIterator_IEnumIDList_Vtbl = {
 819     UnixSubFolderIterator_IEnumIDList_QueryInterface,
 820     UnixSubFolderIterator_IEnumIDList_AddRef,
 821     UnixSubFolderIterator_IEnumIDList_Release,
 822     UnixSubFolderIterator_IEnumIDList_Next,
 823     UnixSubFolderIterator_IEnumIDList_Skip,
 824     UnixSubFolderIterator_IEnumIDList_Reset,
 825     UnixSubFolderIterator_IEnumIDList_Clone
 826 };
 827
 828 static IUnknown *UnixSubFolderIterator_Construct(UnixFolder *pUnixFolder) {
 829     UnixSubFolderIterator *iterator;
 830
 831     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 832
 833     iterator = SHAlloc((ULONG)sizeof(UnixSubFolderIterator));
 834     iterator->lpIEnumIDListVtbl = &UnixSubFolderIterator_IEnumIDList_Vtbl;
 835     iterator->m_cRef = 0;
 836     iterator->m_cIdx = 0;
 837     iterator->m_pUnixFolder = pUnixFolder;
 838
 839     UnixSubFolderIterator_IEnumIDList_AddRef((IEnumIDList*)iterator);
 840     UnixFolder_IShellFolder_AddRef((IShellFolder*)pUnixFolder);
 841
 842     return (IUnknown*)iterator;
 843 }