dlls/shell32/shfldr_mycomp.c

   1 /*
   2  *    Virtual Workplace folder
   3  *
   4  *    Copyright 1997            Marcus Meissner
   5  *    Copyright 1998, 1999, 2002    Juergen Schmied
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29
  30 #define COBJMACROS
  31 #define NONAMELESSUNION
  32 #define NONAMELESSSTRUCT
  33
  34 #include "winerror.h"
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "winreg.h"
  38
  39 #include "wingdi.h"
  40 #include "pidl.h"
  41 #include "shlguid.h"
  42 #include "enumidlist.h"
  43 #include "undocshell.h"
  44 #include "shell32_main.h"
  45 #include "shresdef.h"
  46 #include "shlwapi.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     const IShellFolder2Vtbl   *lpVtbl;
  59     LONG                ref;
  60     const IPersistFolder2Vtbl *lpVtblPersistFolder2;
  61
  62     /* both paths are parsible from the desktop */
  63     LPITEMIDLIST pidlRoot;    /* absolute pidl */
  64 } IGenericSFImpl;
  65
  66 static const IShellFolder2Vtbl vt_ShellFolder2;
  67 static const IPersistFolder2Vtbl vt_PersistFolder2;
  68
  69 static inline IGenericSFImpl *impl_from_IPersistFolder2( IPersistFolder2 *iface )
  70 {
  71     return (IGenericSFImpl *)((char*)iface - FIELD_OFFSET(IGenericSFImpl, lpVtblPersistFolder2));
  72 }
  73
  74
  75 /*
  76   converts This to an interface pointer
  77 */
  78 #define _IUnknown_(This)    (IUnknown*)&(This->lpVtbl)
  79 #define _IShellFolder_(This)    (IShellFolder*)&(This->lpVtbl)
  80 #define _IShellFolder2_(This)    (IShellFolder2*)&(This->lpVtbl)
  81
  82 #define _IPersist_(This)    (IPersist*)&(This->lpVtblPersistFolder2)
  83 #define _IPersistFolder_(This)    (IPersistFolder*)&(This->lpVtblPersistFolder2)
  84 #define _IPersistFolder2_(This)    (IPersistFolder2*)&(This->lpVtblPersistFolder2)
  85
  86 /***********************************************************************
  87 *   IShellFolder [MyComputer] implementation
  88 */
  89
  90 static const shvheader MyComputerSFHeader[] = {
  91     {IDS_SHV_COLUMN1, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
  92     {IDS_SHV_COLUMN3, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  93     {IDS_SHV_COLUMN6, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  94     {IDS_SHV_COLUMN7, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  95 };
  96
  97 #define MYCOMPUTERSHELLVIEWCOLUMNS 4
  98
  99 /**************************************************************************
 100 *    ISF_MyComputer_Constructor
 101 */
 102 HRESULT WINAPI ISF_MyComputer_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
 103 {
 104     IGenericSFImpl *sf;
 105
 106     TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
 107
 108     if (!ppv)
 109         return E_POINTER;
 110     if (pUnkOuter)
 111         return CLASS_E_NOAGGREGATION;
 112
 113     sf = LocalAlloc (LMEM_ZEROINIT, sizeof (IGenericSFImpl));
 114     if (!sf)
 115         return E_OUTOFMEMORY;
 116
 117     sf->ref = 0;
 118     sf->lpVtbl = &vt_ShellFolder2;
 119     sf->lpVtblPersistFolder2 = &vt_PersistFolder2;
 120     sf->pidlRoot = _ILCreateMyComputer ();    /* my qualified pidl */
 121
 122     if (!SUCCEEDED (IUnknown_QueryInterface (_IUnknown_ (sf), riid, ppv)))
 123     {
 124         IUnknown_Release (_IUnknown_ (sf));
 125         return E_NOINTERFACE;
 126     }
 127
 128     TRACE ("--(%p)\n", sf);
 129     return S_OK;
 130 }
 131
 132 /**************************************************************************
 133  *    ISF_MyComputer_fnQueryInterface
 134  *
 135  * NOTES supports not IPersist/IPersistFolder
 136  */
 137 static HRESULT WINAPI ISF_MyComputer_fnQueryInterface (IShellFolder2 *iface,
 138                REFIID riid, LPVOID *ppvObj)
 139 {
 140     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 141
 142     TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
 143
 144     *ppvObj = NULL;
 145
 146     if (IsEqualIID (riid, &IID_IUnknown) ||
 147         IsEqualIID (riid, &IID_IShellFolder) ||
 148         IsEqualIID (riid, &IID_IShellFolder2))
 149     {
 150         *ppvObj = This;
 151     }
 152     else if (IsEqualIID (riid, &IID_IPersist) ||
 153              IsEqualIID (riid, &IID_IPersistFolder) ||
 154              IsEqualIID (riid, &IID_IPersistFolder2))
 155     {
 156         *ppvObj = _IPersistFolder2_ (This);
 157     }
 158
 159     if (*ppvObj)
 160     {
 161         IUnknown_AddRef ((IUnknown *) (*ppvObj));
 162         TRACE ("-- Interface: (%p)->(%p)\n", ppvObj, *ppvObj);
 163         return S_OK;
 164     }
 165     TRACE ("-- Interface: E_NOINTERFACE\n");
 166     return E_NOINTERFACE;
 167 }
 168
 169 static ULONG WINAPI ISF_MyComputer_fnAddRef (IShellFolder2 * iface)
 170 {
 171     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 172     ULONG refCount = InterlockedIncrement(&This->ref);
 173
 174     TRACE ("(%p)->(count=%lu)\n", This, refCount - 1);
 175
 176     return refCount;
 177 }
 178
 179 static ULONG WINAPI ISF_MyComputer_fnRelease (IShellFolder2 * iface)
 180 {
 181     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 182     ULONG refCount = InterlockedDecrement(&This->ref);
 183
 184     TRACE ("(%p)->(count=%lu)\n", This, refCount + 1);
 185
 186     if (!refCount)
 187     {
 188         TRACE ("-- destroying IShellFolder(%p)\n", This);
 189         if (This->pidlRoot)
 190             SHFree (This->pidlRoot);
 191         LocalFree ((HLOCAL) This);
 192     }
 193     return refCount;
 194 }
 195
 196 /**************************************************************************
 197 *    ISF_MyComputer_fnParseDisplayName
 198 */
 199 static HRESULT WINAPI ISF_MyComputer_fnParseDisplayName (IShellFolder2 *iface,
 200                HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName,
 201                DWORD * pchEaten, LPITEMIDLIST * ppidl, DWORD * pdwAttributes)
 202 {
 203     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 204     HRESULT hr = E_INVALIDARG;
 205     LPCWSTR szNext = NULL;
 206     WCHAR szElement[MAX_PATH];
 207     LPITEMIDLIST pidlTemp = NULL;
 208     CLSID clsid;
 209
 210     TRACE("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n", This,
 211           hwndOwner, pbc, lpszDisplayName, debugstr_w (lpszDisplayName),
 212           pchEaten, ppidl, pdwAttributes);
 213
 214     *ppidl = 0;
 215     if (pchEaten)
 216         *pchEaten = 0;        /* strange but like the original */
 217
 218     /* handle CLSID paths */
 219     if (lpszDisplayName[0] == ':' && lpszDisplayName[1] == ':')
 220     {
 221         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 222         TRACE ("-- element: %s\n", debugstr_w (szElement));
 223         SHCLSIDFromStringW (szElement + 2, &clsid);
 224         pidlTemp = _ILCreateGuid (PT_GUID, &clsid);
 225     }
 226     /* do we have an absolute path name ? */
 227     else if (PathGetDriveNumberW (lpszDisplayName) >= 0 &&
 228               lpszDisplayName[2] == (WCHAR) '\\')
 229     {
 230         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 231         /* make drive letter uppercase to enable PIDL comparison */
 232         szElement[0] = toupper(szElement[0]);
 233         pidlTemp = _ILCreateDrive (szElement);
 234     }
 235
 236     if (szNext && *szNext)
 237     {
 238         hr = SHELL32_ParseNextElement (iface, hwndOwner, pbc, &pidlTemp,
 239                               (LPOLESTR) szNext, pchEaten, pdwAttributes);
 240     }
 241     else
 242     {
 243         if (pdwAttributes && *pdwAttributes)
 244             SHELL32_GetItemAttributes (_IShellFolder_ (This),
 245                                        pidlTemp, pdwAttributes);
 246         hr = S_OK;
 247     }
 248
 249     *ppidl = pidlTemp;
 250
 251     TRACE ("(%p)->(-- ret=0x%08lx)\n", This, hr);
 252
 253     return hr;
 254 }
 255
 256 /**************************************************************************
 257  *  CreateMyCompEnumList()
 258  */
 259 static const WCHAR MyComputer_NameSpaceW[] = { 'S','O','F','T','W','A','R','E',
 260  '\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
 261  'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l',
 262  'o','r','e','r','\\','M','y','C','o','m','p','u','t','e','r','\\','N','a','m',
 263  'e','s','p','a','c','e','\0' };
 264
 265 static BOOL CreateMyCompEnumList(IEnumIDList *list, DWORD dwFlags)
 266 {
 267     BOOL ret = TRUE;
 268
 269     TRACE("(%p)->(flags=0x%08lx)\n", list, dwFlags);
 270
 271     /* enumerate the folders */
 272     if (dwFlags & SHCONTF_FOLDERS)
 273     {
 274         WCHAR wszDriveName[] = {'A', ':', '\\', '\0'};
 275         DWORD dwDrivemap = GetLogicalDrives();
 276         HKEY hkey;
 277         UINT i;
 278
 279         while (ret && wszDriveName[0]<='Z')
 280         {
 281             if(dwDrivemap & 0x00000001L)
 282                 ret = AddToEnumList(list, _ILCreateDrive(wszDriveName));
 283             wszDriveName[0]++;
 284             dwDrivemap = dwDrivemap >> 1;
 285         }
 286
 287         TRACE("-- (%p)-> enumerate (mycomputer shell extensions)\n",list);
 288         for (i=0; i<2; i++) {
 289             if (ret && !RegOpenKeyExW(i == 0 ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER,
 290                                       MyComputer_NameSpaceW, 0, KEY_READ, &hkey))
 291             {
 292                 WCHAR iid[50];
 293                 int i=0;
 294
 295                 while (ret)
 296                 {
 297                     DWORD size;
 298                     LONG r;
 299
 300                     size = sizeof(iid) / sizeof(iid[0]);
 301                     r = RegEnumKeyExW(hkey, i, iid, &size, 0, NULL, NULL, NULL);
 302                     if (ERROR_SUCCESS == r)
 303                     {
 304                         /* FIXME: shell extensions, shouldn't the type be
 305                          * PT_SHELLEXT? */
 306                         ret = AddToEnumList(list, _ILCreateGuidFromStrW(iid));
 307                         i++;
 308                     }
 309                     else if (ERROR_NO_MORE_ITEMS == r)
 310                         break;
 311                     else
 312                         ret = FALSE;
 313                 }
 314                 RegCloseKey(hkey);
 315             }
 316         }
 317     }
 318     return ret;
 319 }
 320
 321 /**************************************************************************
 322 *        ISF_MyComputer_fnEnumObjects
 323 */
 324 static HRESULT WINAPI ISF_MyComputer_fnEnumObjects (IShellFolder2 *iface,
 325                HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList)
 326 {
 327     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 328
 329     TRACE("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n", This,
 330           hwndOwner, dwFlags, ppEnumIDList);
 331
 332     *ppEnumIDList = IEnumIDList_Constructor();
 333     if (*ppEnumIDList)
 334         CreateMyCompEnumList(*ppEnumIDList, dwFlags);
 335
 336     TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);
 337
 338     return (*ppEnumIDList) ? S_OK : E_OUTOFMEMORY;
 339 }
 340
 341 /**************************************************************************
 342 *        ISF_MyComputer_fnBindToObject
 343 */
 344 static HRESULT WINAPI ISF_MyComputer_fnBindToObject (IShellFolder2 *iface,
 345                LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
 346 {
 347     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 348
 349     TRACE("(%p)->(pidl=%p,%p,%s,%p)\n", This,
 350           pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 351
 352     return SHELL32_BindToChild (This->pidlRoot, NULL, pidl, riid, ppvOut);
 353 }
 354
 355 /**************************************************************************
 356 *    ISF_MyComputer_fnBindToStorage
 357 */
 358 static HRESULT WINAPI ISF_MyComputer_fnBindToStorage (IShellFolder2 * iface,
 359                LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
 360 {
 361     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 362
 363     FIXME("(%p)->(pidl=%p,%p,%s,%p) stub\n", This,
 364           pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 365
 366     *ppvOut = NULL;
 367     return E_NOTIMPL;
 368 }
 369
 370 /**************************************************************************
 371 *     ISF_MyComputer_fnCompareIDs
 372 */
 373
 374 static HRESULT WINAPI ISF_MyComputer_fnCompareIDs (IShellFolder2 *iface,
 375                LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 376 {
 377     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 378     int nReturn;
 379
 380     TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
 381     nReturn = SHELL32_CompareIDs (_IShellFolder_ (This), lParam, pidl1, pidl2);
 382     TRACE ("-- %i\n", nReturn);
 383     return nReturn;
 384 }
 385
 386 /**************************************************************************
 387 *    ISF_MyComputer_fnCreateViewObject
 388 */
 389 static HRESULT WINAPI ISF_MyComputer_fnCreateViewObject (IShellFolder2 *iface,
 390                HWND hwndOwner, REFIID riid, LPVOID * ppvOut)
 391 {
 392     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 393     LPSHELLVIEW pShellView;
 394     HRESULT hr = E_INVALIDARG;
 395
 396     TRACE("(%p)->(hwnd=%p,%s,%p)\n", This,
 397           hwndOwner, shdebugstr_guid (riid), ppvOut);
 398
 399     if (!ppvOut)
 400         return hr;
 401
 402     *ppvOut = NULL;
 403
 404     if (IsEqualIID (riid, &IID_IDropTarget))
 405     {
 406         WARN ("IDropTarget not implemented\n");
 407         hr = E_NOTIMPL;
 408     }
 409     else if (IsEqualIID (riid, &IID_IContextMenu))
 410     {
 411         WARN ("IContextMenu not implemented\n");
 412         hr = E_NOTIMPL;
 413     }
 414     else if (IsEqualIID (riid, &IID_IShellView))
 415     {
 416         pShellView = IShellView_Constructor ((IShellFolder *) iface);
 417         if (pShellView)
 418         {
 419             hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
 420             IShellView_Release (pShellView);
 421         }
 422     }
 423     TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
 424     return hr;
 425 }
 426
 427 /**************************************************************************
 428 *  ISF_MyComputer_fnGetAttributesOf
 429 */
 430 static HRESULT WINAPI ISF_MyComputer_fnGetAttributesOf (IShellFolder2 * iface,
 431                 UINT cidl, LPCITEMIDLIST * apidl, DWORD * rgfInOut)
 432 {
 433     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 434     HRESULT hr = S_OK;
 435
 436     TRACE ("(%p)->(cidl=%d apidl=%p mask=%p (0x%08lx))\n",
 437            This, cidl, apidl, rgfInOut, rgfInOut ? *rgfInOut : 0);
 438
 439     if (!rgfInOut)
 440         return E_INVALIDARG;
 441     if (cidl && !apidl)
 442         return E_INVALIDARG;
 443
 444     if (*rgfInOut == 0)
 445         *rgfInOut = ~0;
 446
 447     if(cidl == 0){
 448         IShellFolder *psfParent = NULL;
 449         LPCITEMIDLIST rpidl = NULL;
 450
 451         hr = SHBindToParent(This->pidlRoot, &IID_IShellFolder, (LPVOID*)&psfParent, (LPCITEMIDLIST*)&rpidl);
 452         if(SUCCEEDED(hr)) {
 453             SHELL32_GetItemAttributes (psfParent, rpidl, rgfInOut);
 454             IShellFolder_Release(psfParent);
 455         }
 456     } else {
 457         while (cidl > 0 && *apidl) {
 458             pdump (*apidl);
 459             SHELL32_GetItemAttributes (_IShellFolder_ (This), *apidl, rgfInOut);
 460             apidl++;
 461             cidl--;
 462         }
 463     }
 464     /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
 465     *rgfInOut &= ~SFGAO_VALIDATE;
 466
 467     TRACE ("-- result=0x%08lx\n", *rgfInOut);
 468     return hr;
 469 }
 470
 471 /**************************************************************************
 472 *    ISF_MyComputer_fnGetUIObjectOf
 473 *
 474 * PARAMETERS
 475 *  hwndOwner [in]  Parent window for any output
 476 *  cidl      [in]  array size
 477 *  apidl     [in]  simple pidl array
 478 *  riid      [in]  Requested Interface
 479 *  prgfInOut [   ] reserved
 480 *  ppvObject [out] Resulting Interface
 481 *
 482 */
 483 static HRESULT WINAPI ISF_MyComputer_fnGetUIObjectOf (IShellFolder2 * iface,
 484                 HWND hwndOwner, UINT cidl, LPCITEMIDLIST * apidl, REFIID riid,
 485                 UINT * prgfInOut, LPVOID * ppvOut)
 486 {
 487     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 488
 489     LPITEMIDLIST pidl;
 490     IUnknown *pObj = NULL;
 491     HRESULT hr = E_INVALIDARG;
 492
 493     TRACE("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n", This,
 494           hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);
 495
 496     if (!ppvOut)
 497         return hr;
 498
 499     *ppvOut = NULL;
 500
 501     if (IsEqualIID (riid, &IID_IContextMenu) && (cidl >= 1))
 502     {
 503         pObj = (LPUNKNOWN) ISvItemCm_Constructor ((IShellFolder *) iface,
 504                                               This->pidlRoot, apidl, cidl);
 505         hr = S_OK;
 506     }
 507     else if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1))
 508     {
 509         pObj = (LPUNKNOWN) IDataObject_Constructor (hwndOwner,
 510                                               This->pidlRoot, apidl, cidl);
 511         hr = S_OK;
 512     }
 513     else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1))
 514     {
 515         pidl = ILCombine (This->pidlRoot, apidl[0]);
 516         pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
 517         SHFree (pidl);
 518         hr = S_OK;
 519     }
 520     else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1))
 521     {
 522         pidl = ILCombine (This->pidlRoot, apidl[0]);
 523         pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
 524         SHFree (pidl);
 525         hr = S_OK;
 526     }
 527     else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1))
 528     {
 529         hr = IShellFolder_QueryInterface (iface, &IID_IDropTarget,
 530                                           (LPVOID *) &pObj);
 531     }
 532     else if ((IsEqualIID(riid,&IID_IShellLinkW) ||
 533               IsEqualIID(riid,&IID_IShellLinkA)) && (cidl == 1))
 534     {
 535         pidl = ILCombine (This->pidlRoot, apidl[0]);
 536         hr = IShellLink_ConstructFromFile(NULL, riid, pidl, (LPVOID*) &pObj);
 537         SHFree (pidl);
 538     }
 539     else
 540         hr = E_NOINTERFACE;
 541
 542     if (SUCCEEDED(hr) && !pObj)
 543         hr = E_OUTOFMEMORY;
 544
 545     *ppvOut = pObj;
 546     TRACE ("(%p)->hr=0x%08lx\n", This, hr);
 547     return hr;
 548 }
 549
 550 /**************************************************************************
 551 *    ISF_MyComputer_fnGetDisplayNameOf
 552 */
 553 static HRESULT WINAPI ISF_MyComputer_fnGetDisplayNameOf (IShellFolder2 *iface,
 554                LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET strRet)
 555 {
 556     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 557
 558     WCHAR wszPath[MAX_PATH];
 559     HRESULT hr = S_OK;
 560
 561     TRACE ("(%p)->(pidl=%p,0x%08lx,%p)\n", This, pidl, dwFlags, strRet);
 562     pdump (pidl);
 563
 564     if (!strRet)
 565         return E_INVALIDARG;
 566
 567     wszPath[0] = 0;
 568
 569     if (!pidl->mkid.cb)
 570     {
 571         /* parsing name like ::{...} */
 572         wszPath[0] = ':';
 573         wszPath[1] = ':';
 574         SHELL32_GUIDToStringW(&CLSID_MyComputer, &wszPath[2]);
 575     }
 576     else if (_ILIsPidlSimple(pidl))
 577     {
 578         /* take names of special folders only if its only this folder */
 579         if (_ILIsSpecialFolder(pidl))
 580         {
 581             GUID const *clsid;
 582
 583             clsid = _ILGetGUIDPointer (pidl);
 584             if (clsid)
 585             {
 586                 if (GET_SHGDN_FOR (dwFlags) & SHGDN_FORPARSING)
 587                 {
 588                     static const WCHAR clsidW[] =
 589                      { 'C','L','S','I','D','\\',0 };
 590                     static const WCHAR shellfolderW[] =
 591                      { '\\','s','h','e','l','l','f','o','l','d','e','r',0 };
 592                     static const WCHAR wantsForParsingW[] =
 593                      { 'W','a','n','t','s','F','o','r','P','a','r','s','i','n',
 594                      'g',0 };
 595                     int bWantsForParsing = FALSE;
 596                     WCHAR szRegPath[100];
 597                     LONG r;
 598
 599                     /*
 600                      * We can only get a filesystem path from a shellfolder
 601                      * if the value WantsFORPARSING exists in
 602                      *      CLSID\\{...}\\shellfolder
 603                      * exception: the MyComputer folder has this keys not
 604                      *            but like any filesystem backed
 605                      *            folder it needs these behaviour
 606                      *
 607                      * Get the "WantsFORPARSING" flag from the registry
 608                      */
 609
 610                     lstrcpyW (szRegPath, clsidW);
 611                     SHELL32_GUIDToStringW (clsid, &szRegPath[6]);
 612                     lstrcatW (szRegPath, shellfolderW);
 613                     r = SHGetValueW (HKEY_CLASSES_ROOT, szRegPath,
 614                                      wantsForParsingW, NULL, NULL, NULL);
 615                     if (r == ERROR_SUCCESS)
 616                         bWantsForParsing = TRUE;
 617
 618                     if ((GET_SHGDN_RELATION (dwFlags) == SHGDN_NORMAL) &&
 619                         bWantsForParsing)
 620                     {
 621                         /*
 622                          * We need the filesystem path to the destination folder
 623                          * Only the folder itself can know it
 624                          */
 625                         hr = SHELL32_GetDisplayNameOfChild (iface, pidl,
 626                                                 dwFlags, wszPath, MAX_PATH);
 627                     }
 628                     else
 629                     {
 630                         LPWSTR p = wszPath;
 631
 632                         /* parsing name like ::{...} */
 633                         p[0] = ':';
 634                         p[1] = ':';
 635                         p += 2;
 636                         p += SHELL32_GUIDToStringW(&CLSID_MyComputer, p);
 637
 638                         /* \:: */
 639                         p[0] = '\\';
 640                         p[1] = ':';
 641                         p[2] = ':';
 642                         p += 3;
 643                         SHELL32_GUIDToStringW(clsid, p);
 644                     }
 645                 }
 646                 else
 647                 {
 648                     /* user friendly name */
 649                     HCR_GetClassNameW (clsid, wszPath, MAX_PATH);
 650                 }
 651             }
 652             else
 653             {
 654                 /* append my own path */
 655                 _ILSimpleGetTextW (pidl, wszPath, MAX_PATH);
 656             }
 657         }
 658         else if (_ILIsDrive(pidl))
 659         {
 660             _ILSimpleGetTextW (pidl, wszPath, MAX_PATH);    /* append my own path */
 661
 662             /* long view "lw_name (C:)" */
 663             if (!(dwFlags & SHGDN_FORPARSING))
 664             {
 665                 DWORD dwVolumeSerialNumber, dwMaximumComponetLength, dwFileSystemFlags;
 666                 WCHAR wszDrive[18] = {0};
 667                 static const WCHAR wszOpenBracket[] = {' ','(',0};
 668                 static const WCHAR wszCloseBracket[] = {')',0};
 669
 670                 GetVolumeInformationW (wszPath, wszDrive,
 671                            sizeof(wszDrive)/sizeof(wszDrive[0]) - 6,
 672                            &dwVolumeSerialNumber,
 673                            &dwMaximumComponetLength, &dwFileSystemFlags, NULL, 0);
 674                 strcatW (wszDrive, wszOpenBracket);
 675                 lstrcpynW (wszDrive + strlenW(wszDrive), wszPath, 3);
 676                 strcatW (wszDrive, wszCloseBracket);
 677                 strcpyW (wszPath, wszDrive);
 678             }
 679         }
 680         else
 681         {
 682             /* Neither a shell namespace extension nor a drive letter. */
 683             ERR("Wrong pidl type\n");
 684             return E_INVALIDARG;
 685         }
 686     }
 687     else
 688     {
 689         /* Complex pidl. Let the child folder do the work */
 690         hr = SHELL32_GetDisplayNameOfChild(iface, pidl, dwFlags, wszPath, MAX_PATH);
 691     }
 692
 693     if (SUCCEEDED (hr))
 694     {
 695         strRet->uType = STRRET_CSTR;
 696         if (!WideCharToMultiByte(CP_ACP, 0, wszPath, -1, strRet->u.cStr, MAX_PATH,
 697                 NULL, NULL))
 698             strRet->u.cStr[0] = '\0';
 699     }
 700
 701     TRACE ("-- (%p)->(%s)\n", This, debugstr_w(wszPath));
 702     return hr;
 703 }
 704
 705 /**************************************************************************
 706 *  ISF_MyComputer_fnSetNameOf
 707 *  Changes the name of a file object or subfolder, possibly changing its item
 708 *  identifier in the process.
 709 *
 710 * PARAMETERS
 711 *  hwndOwner  [in]   Owner window for output
 712 *  pidl       [in]   simple pidl of item to change
 713 *  lpszName   [in]   the items new display name
 714 *  dwFlags    [in]   SHGNO formatting flags
 715 *  ppidlOut   [out]  simple pidl returned
 716 */
 717 static HRESULT WINAPI ISF_MyComputer_fnSetNameOf (
 718                IShellFolder2 * iface, HWND hwndOwner, LPCITEMIDLIST pidl,
 719                LPCOLESTR lpName, DWORD dwFlags, LPITEMIDLIST * pPidlOut)
 720 {
 721     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 722     FIXME ("(%p)->(%p,pidl=%p,%s,%lu,%p)\n", This,
 723            hwndOwner, pidl, debugstr_w (lpName), dwFlags, pPidlOut);
 724     return E_FAIL;
 725 }
 726
 727 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultSearchGUID (
 728                IShellFolder2 * iface, GUID * pguid)
 729 {
 730     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 731     FIXME ("(%p)\n", This);
 732     return E_NOTIMPL;
 733 }
 734 static HRESULT WINAPI ISF_MyComputer_fnEnumSearches (
 735                IShellFolder2 * iface, IEnumExtraSearch ** ppenum)
 736 {
 737     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 738     FIXME ("(%p)\n", This);
 739     return E_NOTIMPL;
 740 }
 741 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumn (
 742                IShellFolder2 *iface, DWORD dwRes, ULONG *pSort, ULONG *pDisplay)
 743 {
 744     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 745
 746     TRACE ("(%p)\n", This);
 747
 748     if (pSort)
 749          *pSort = 0;
 750     if (pDisplay)
 751         *pDisplay = 0;
 752     return S_OK;
 753 }
 754 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumnState (
 755                IShellFolder2 * iface, UINT iColumn, DWORD * pcsFlags)
 756 {
 757     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 758
 759     TRACE ("(%p)\n", This);
 760
 761     if (!pcsFlags || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS)
 762         return E_INVALIDARG;
 763     *pcsFlags = MyComputerSFHeader[iColumn].pcsFlags;
 764     return S_OK;
 765 }
 766
 767 static HRESULT WINAPI ISF_MyComputer_fnGetDetailsEx (IShellFolder2 * iface,
 768                LPCITEMIDLIST pidl, const SHCOLUMNID * pscid, VARIANT * pv)
 769 {
 770     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 771     FIXME ("(%p)\n", This);
 772     return E_NOTIMPL;
 773 }
 774
 775 /* FIXME: drive size >4GB is rolling over */
 776 static HRESULT WINAPI ISF_MyComputer_fnGetDetailsOf (IShellFolder2 * iface,
 777                LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS * psd)
 778 {
 779     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 780     HRESULT hr;
 781
 782     TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);
 783
 784     if (!psd || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS)
 785         return E_INVALIDARG;
 786
 787     if (!pidl)
 788     {
 789         psd->fmt = MyComputerSFHeader[iColumn].fmt;
 790         psd->cxChar = MyComputerSFHeader[iColumn].cxChar;
 791         psd->str.uType = STRRET_CSTR;
 792         LoadStringA (shell32_hInstance, MyComputerSFHeader[iColumn].colnameid,
 793                      psd->str.u.cStr, MAX_PATH);
 794         return S_OK;
 795     }
 796     else
 797     {
 798         char szPath[MAX_PATH];
 799         ULARGE_INTEGER ulBytes;
 800
 801         psd->str.u.cStr[0] = 0x00;
 802         psd->str.uType = STRRET_CSTR;
 803         switch (iColumn)
 804         {
 805         case 0:        /* name */
 806             hr = IShellFolder_GetDisplayNameOf (iface, pidl,
 807                        SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
 808             break;
 809         case 1:        /* type */
 810             _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
 811             break;
 812         case 2:        /* total size */
 813             if (_ILIsDrive (pidl))
 814             {
 815                 _ILSimpleGetText (pidl, szPath, MAX_PATH);
 816                 GetDiskFreeSpaceExA (szPath, NULL, &ulBytes, NULL);
 817                 StrFormatByteSizeA (ulBytes.u.LowPart, psd->str.u.cStr, MAX_PATH);
 818             }
 819             break;
 820         case 3:        /* free size */
 821             if (_ILIsDrive (pidl))
 822             {
 823                 _ILSimpleGetText (pidl, szPath, MAX_PATH);
 824                 GetDiskFreeSpaceExA (szPath, &ulBytes, NULL, NULL);
 825                 StrFormatByteSizeA (ulBytes.u.LowPart, psd->str.u.cStr, MAX_PATH);
 826             }
 827             break;
 828         }
 829         hr = S_OK;
 830     }
 831
 832     return hr;
 833 }
 834
 835 static HRESULT WINAPI ISF_MyComputer_fnMapColumnToSCID (
 836                IShellFolder2 * iface, UINT column, SHCOLUMNID * pscid)
 837 {
 838     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 839     FIXME ("(%p)\n", This);
 840     return E_NOTIMPL;
 841 }
 842
 843 static const IShellFolder2Vtbl vt_ShellFolder2 =
 844 {
 845     ISF_MyComputer_fnQueryInterface,
 846     ISF_MyComputer_fnAddRef,
 847     ISF_MyComputer_fnRelease,
 848     ISF_MyComputer_fnParseDisplayName,
 849     ISF_MyComputer_fnEnumObjects,
 850     ISF_MyComputer_fnBindToObject,
 851     ISF_MyComputer_fnBindToStorage,
 852     ISF_MyComputer_fnCompareIDs,
 853     ISF_MyComputer_fnCreateViewObject,
 854     ISF_MyComputer_fnGetAttributesOf,
 855     ISF_MyComputer_fnGetUIObjectOf,
 856     ISF_MyComputer_fnGetDisplayNameOf,
 857     ISF_MyComputer_fnSetNameOf,
 858     /* ShellFolder2 */
 859     ISF_MyComputer_fnGetDefaultSearchGUID,
 860     ISF_MyComputer_fnEnumSearches,
 861     ISF_MyComputer_fnGetDefaultColumn,
 862     ISF_MyComputer_fnGetDefaultColumnState,
 863     ISF_MyComputer_fnGetDetailsEx,
 864     ISF_MyComputer_fnGetDetailsOf,
 865     ISF_MyComputer_fnMapColumnToSCID
 866 };
 867
 868 /************************************************************************
 869  *    IMCFldr_PersistFolder2_QueryInterface
 870  */
 871 static HRESULT WINAPI IMCFldr_PersistFolder2_QueryInterface (
 872                IPersistFolder2 * iface, REFIID iid, LPVOID * ppvObj)
 873 {
 874     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
 875
 876     TRACE ("(%p)\n", This);
 877
 878     return IUnknown_QueryInterface (_IUnknown_ (This), iid, ppvObj);
 879 }
 880
 881 /************************************************************************
 882  *    IMCFldr_PersistFolder2_AddRef
 883  */
 884 static ULONG WINAPI IMCFldr_PersistFolder2_AddRef (IPersistFolder2 * iface)
 885 {
 886     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
 887
 888     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 889
 890     return IUnknown_AddRef (_IUnknown_ (This));
 891 }
 892
 893 /************************************************************************
 894  *    ISFPersistFolder_Release
 895  */
 896 static ULONG WINAPI IMCFldr_PersistFolder2_Release (IPersistFolder2 * iface)
 897 {
 898     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
 899
 900     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 901
 902     return IUnknown_Release (_IUnknown_ (This));
 903 }
 904
 905 /************************************************************************
 906  *    IMCFldr_PersistFolder2_GetClassID
 907  */
 908 static HRESULT WINAPI IMCFldr_PersistFolder2_GetClassID (
 909                IPersistFolder2 * iface, CLSID * lpClassId)
 910 {
 911     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
 912
 913     TRACE ("(%p)\n", This);
 914
 915     if (!lpClassId)
 916     return E_POINTER;
 917     *lpClassId = CLSID_MyComputer;
 918
 919     return S_OK;
 920 }
 921
 922 /************************************************************************
 923  *    IMCFldr_PersistFolder2_Initialize
 924  *
 925  * NOTES: it makes no sense to change the pidl
 926  */
 927 static HRESULT WINAPI IMCFldr_PersistFolder2_Initialize (
 928                IPersistFolder2 * iface, LPCITEMIDLIST pidl)
 929 {
 930     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
 931     TRACE ("(%p)->(%p)\n", This, pidl);
 932     return E_NOTIMPL;
 933 }
 934
 935 /**************************************************************************
 936  *    IPersistFolder2_fnGetCurFolder
 937  */
 938 static HRESULT WINAPI IMCFldr_PersistFolder2_GetCurFolder (
 939                IPersistFolder2 * iface, LPITEMIDLIST * pidl)
 940 {
 941     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
 942
 943     TRACE ("(%p)->(%p)\n", This, pidl);
 944
 945     if (!pidl)
 946         return E_POINTER;
 947     *pidl = ILClone (This->pidlRoot);
 948     return S_OK;
 949 }
 950
 951 static const IPersistFolder2Vtbl vt_PersistFolder2 =
 952 {
 953     IMCFldr_PersistFolder2_QueryInterface,
 954     IMCFldr_PersistFolder2_AddRef,
 955     IMCFldr_PersistFolder2_Release,
 956     IMCFldr_PersistFolder2_GetClassID,
 957     IMCFldr_PersistFolder2_Initialize,
 958     IMCFldr_PersistFolder2_GetCurFolder
 959 };