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
  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 HRESULT WINAPI ISF_MyComputer_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);
  71
  72 #define _IPersistFolder2_Offset ((int)(&(((IGenericSFImpl*)0)->lpVtblPersistFolder2)))
  73 #define _ICOM_THIS_From_IPersistFolder2(class, name) class* This = (class*)(((char*)name)-_IPersistFolder2_Offset);
  74
  75 /*
  76   converts This to a 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 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 = (IGenericSFImpl *) LocalAlloc (GMEM_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         IUnknown_Release (_IUnknown_ (sf));
 124         return E_NOINTERFACE;
 125     }
 126
 127     TRACE ("--(%p)\n", sf);
 128     return S_OK;
 129 }
 130
 131 /**************************************************************************
 132  *      ISF_MyComputer_fnQueryInterface
 133  *
 134  * NOTES supports not IPersist/IPersistFolder
 135  */
 136 static HRESULT WINAPI ISF_MyComputer_fnQueryInterface (IShellFolder2 * iface, REFIID riid, LPVOID * ppvObj)
 137 {
 138     ICOM_THIS (IGenericSFImpl, iface);
 139
 140     TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
 141
 142     *ppvObj = NULL;
 143
 144     if (IsEqualIID (riid, &IID_IUnknown) ||
 145         IsEqualIID (riid, &IID_IShellFolder) || IsEqualIID (riid, &IID_IShellFolder2)) {
 146         *ppvObj = This;
 147     } else if (IsEqualIID (riid, &IID_IPersist) ||
 148                IsEqualIID (riid, &IID_IPersistFolder) || IsEqualIID (riid, &IID_IPersistFolder2)) {
 149         *ppvObj = _IPersistFolder2_ (This);
 150     }
 151
 152     if (*ppvObj) {
 153         IUnknown_AddRef ((IUnknown *) (*ppvObj));
 154         TRACE ("-- Interface: (%p)->(%p)\n", ppvObj, *ppvObj);
 155         return S_OK;
 156     }
 157     TRACE ("-- Interface: E_NOINTERFACE\n");
 158     return E_NOINTERFACE;
 159 }
 160
 161 static ULONG WINAPI ISF_MyComputer_fnAddRef (IShellFolder2 * iface)
 162 {
 163     ICOM_THIS (IGenericSFImpl, iface);
 164
 165     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 166
 167     return ++(This->ref);
 168 }
 169
 170 static ULONG WINAPI ISF_MyComputer_fnRelease (IShellFolder2 * iface)
 171 {
 172     ICOM_THIS (IGenericSFImpl, iface);
 173
 174     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 175
 176     if (!--(This->ref)) {
 177         TRACE ("-- destroying IShellFolder(%p)\n", This);
 178         if (This->pidlRoot)
 179             SHFree (This->pidlRoot);
 180         LocalFree ((HLOCAL) This);
 181         return 0;
 182     }
 183     return This->ref;
 184 }
 185
 186 /**************************************************************************
 187 *       ISF_MyComputer_fnParseDisplayName
 188 */
 189 static HRESULT WINAPI
 190 ISF_MyComputer_fnParseDisplayName (IShellFolder2 * iface,
 191                                    HWND hwndOwner,
 192                                    LPBC pbcReserved,
 193                                    LPOLESTR lpszDisplayName,
 194                                    DWORD * pchEaten, LPITEMIDLIST * ppidl, DWORD * pdwAttributes)
 195 {
 196     ICOM_THIS (IGenericSFImpl, iface);
 197
 198     HRESULT hr = E_OUTOFMEMORY;
 199     LPCWSTR szNext = NULL;
 200     WCHAR szElement[MAX_PATH];
 201     CHAR szTempA[MAX_PATH];
 202     LPITEMIDLIST pidlTemp;
 203
 204     TRACE ("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n",
 205            This, hwndOwner, pbcReserved, lpszDisplayName, debugstr_w (lpszDisplayName), pchEaten, ppidl, pdwAttributes);
 206
 207     *ppidl = 0;
 208     if (pchEaten)
 209         *pchEaten = 0;          /* strange but like the original */
 210
 211     /* do we have an absolute path name ? */
 212     if (PathGetDriveNumberW (lpszDisplayName) >= 0 && lpszDisplayName[2] == (WCHAR) '\\') {
 213         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 214         WideCharToMultiByte (CP_ACP, 0, szElement, -1, szTempA, MAX_PATH, NULL, NULL);
 215         pidlTemp = _ILCreateDrive (szTempA);
 216
 217         if (szNext && *szNext) {
 218             hr = SHELL32_ParseNextElement (hwndOwner, iface, &pidlTemp, (LPOLESTR) szNext, pchEaten, pdwAttributes);
 219         } else {
 220             if (pdwAttributes && *pdwAttributes) {
 221                 SHELL32_GetItemAttributes (_IShellFolder_ (This), pidlTemp, pdwAttributes);
 222             }
 223             hr = S_OK;
 224         }
 225         *ppidl = pidlTemp;
 226     }
 227
 228     TRACE ("(%p)->(-- ret=0x%08lx)\n", This, hr);
 229
 230     return hr;
 231 }
 232
 233 /**************************************************************************
 234 *               ISF_MyComputer_fnEnumObjects
 235 */
 236 static HRESULT WINAPI
 237 ISF_MyComputer_fnEnumObjects (IShellFolder2 * iface, HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST * ppEnumIDList)
 238 {
 239     ICOM_THIS (IGenericSFImpl, iface);
 240
 241     TRACE ("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n", This, hwndOwner, dwFlags, ppEnumIDList);
 242
 243     *ppEnumIDList = IEnumIDList_Constructor (NULL, dwFlags, EIDL_MYCOMP);
 244
 245     TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);
 246
 247     return (*ppEnumIDList) ? S_OK : E_OUTOFMEMORY;
 248 }
 249
 250 /**************************************************************************
 251 *               ISF_MyComputer_fnBindToObject
 252 */
 253 static HRESULT WINAPI
 254 ISF_MyComputer_fnBindToObject (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 255                                LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 256 {
 257     ICOM_THIS (IGenericSFImpl, iface);
 258
 259     TRACE ("(%p)->(pidl=%p,%p,%s,%p)\n", This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 260
 261     return SHELL32_BindToChild (This->pidlRoot, NULL, pidl, riid, ppvOut);
 262 }
 263
 264 /**************************************************************************
 265 *       ISF_MyComputer_fnBindToStorage
 266 */
 267 static HRESULT WINAPI
 268 ISF_MyComputer_fnBindToStorage (IShellFolder2 * iface,
 269                                 LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 270 {
 271     ICOM_THIS (IGenericSFImpl, iface);
 272
 273     FIXME ("(%p)->(pidl=%p,%p,%s,%p) stub\n", This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 274
 275     *ppvOut = NULL;
 276     return E_NOTIMPL;
 277 }
 278
 279 /**************************************************************************
 280 *       ISF_MyComputer_fnCompareIDs
 281 */
 282
 283 static HRESULT WINAPI
 284 ISF_MyComputer_fnCompareIDs (IShellFolder2 * iface, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 285 {
 286     ICOM_THIS (IGenericSFImpl, iface);
 287
 288     int nReturn;
 289
 290     TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
 291     nReturn = SHELL32_CompareIDs (_IShellFolder_ (This), lParam, pidl1, pidl2);
 292     TRACE ("-- %i\n", nReturn);
 293     return nReturn;
 294 }
 295
 296 /**************************************************************************
 297 *       ISF_MyComputer_fnCreateViewObject
 298 */
 299 static HRESULT WINAPI
 300 ISF_MyComputer_fnCreateViewObject (IShellFolder2 * iface, HWND hwndOwner, REFIID riid, LPVOID * ppvOut)
 301 {
 302     ICOM_THIS (IGenericSFImpl, iface);
 303
 304     LPSHELLVIEW pShellView;
 305     HRESULT hr = E_INVALIDARG;
 306
 307     TRACE ("(%p)->(hwnd=%p,%s,%p)\n", This, hwndOwner, shdebugstr_guid (riid), ppvOut);
 308
 309     if (ppvOut) {
 310         *ppvOut = NULL;
 311
 312         if (IsEqualIID (riid, &IID_IDropTarget)) {
 313             WARN ("IDropTarget not implemented\n");
 314             hr = E_NOTIMPL;
 315         } else if (IsEqualIID (riid, &IID_IContextMenu)) {
 316             WARN ("IContextMenu not implemented\n");
 317             hr = E_NOTIMPL;
 318         } else if (IsEqualIID (riid, &IID_IShellView)) {
 319             pShellView = IShellView_Constructor ((IShellFolder *) iface);
 320             if (pShellView) {
 321                 hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
 322                 IShellView_Release (pShellView);
 323             }
 324         }
 325     }
 326     TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
 327     return hr;
 328 }
 329
 330 /**************************************************************************
 331 *  ISF_MyComputer_fnGetAttributesOf
 332 */
 333 static HRESULT WINAPI
 334 ISF_MyComputer_fnGetAttributesOf (IShellFolder2 * iface, UINT cidl, LPCITEMIDLIST * apidl, DWORD * rgfInOut)
 335 {
 336     ICOM_THIS (IGenericSFImpl, iface);
 337
 338     HRESULT hr = S_OK;
 339
 340     TRACE ("(%p)->(cidl=%d apidl=%p mask=0x%08lx)\n", This, cidl, apidl, *rgfInOut);
 341
 342     if ((!cidl) || (!apidl) || (!rgfInOut))
 343         return E_INVALIDARG;
 344
 345     while (cidl > 0 && *apidl) {
 346         pdump (*apidl);
 347         SHELL32_GetItemAttributes (_IShellFolder_ (This), *apidl, rgfInOut);
 348         apidl++;
 349         cidl--;
 350     }
 351
 352     TRACE ("-- result=0x%08lx\n", *rgfInOut);
 353     return hr;
 354 }
 355
 356 /**************************************************************************
 357 *       ISF_MyComputer_fnGetUIObjectOf
 358 *
 359 * PARAMETERS
 360 *  HWND           hwndOwner, //[in ] Parent window for any output
 361 *  UINT           cidl,      //[in ] array size
 362 *  LPCITEMIDLIST* apidl,     //[in ] simple pidl array
 363 *  REFIID         riid,      //[in ] Requested Interface
 364 *  UINT*          prgfInOut, //[   ] reserved
 365 *  LPVOID*        ppvObject) //[out] Resulting Interface
 366 *
 367 */
 368 static HRESULT WINAPI
 369 ISF_MyComputer_fnGetUIObjectOf (IShellFolder2 * iface,
 370                                 HWND hwndOwner,
 371                                 UINT cidl, LPCITEMIDLIST * apidl, REFIID riid, UINT * prgfInOut, LPVOID * ppvOut)
 372 {
 373     ICOM_THIS (IGenericSFImpl, iface);
 374
 375     LPITEMIDLIST pidl;
 376     IUnknown *pObj = NULL;
 377     HRESULT hr = E_INVALIDARG;
 378
 379     TRACE ("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n",
 380            This, hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);
 381
 382     if (ppvOut) {
 383         *ppvOut = NULL;
 384
 385         if (IsEqualIID (riid, &IID_IContextMenu) && (cidl >= 1)) {
 386             pObj = (LPUNKNOWN) ISvItemCm_Constructor ((IShellFolder *) iface, This->pidlRoot, apidl, cidl);
 387             hr = S_OK;
 388         } else if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1)) {
 389             pObj = (LPUNKNOWN) IDataObject_Constructor (hwndOwner, This->pidlRoot, apidl, cidl);
 390             hr = S_OK;
 391         } else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1)) {
 392             pidl = ILCombine (This->pidlRoot, apidl[0]);
 393             pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
 394             SHFree (pidl);
 395             hr = S_OK;
 396         } else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1)) {
 397             pidl = ILCombine (This->pidlRoot, apidl[0]);
 398             pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
 399             SHFree (pidl);
 400             hr = S_OK;
 401         } else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1)) {
 402             hr = IShellFolder_QueryInterface (iface, &IID_IDropTarget, (LPVOID *) & pObj);
 403         } else {
 404             hr = E_NOINTERFACE;
 405         }
 406
 407         if (!pObj)
 408             hr = E_OUTOFMEMORY;
 409
 410         *ppvOut = pObj;
 411     }
 412     TRACE ("(%p)->hr=0x%08lx\n", This, hr);
 413     return hr;
 414 }
 415
 416 /**************************************************************************
 417 *       ISF_MyComputer_fnGetDisplayNameOf
 418 *
 419 * NOTES
 420 *       The desktopfolder creates only complete paths (SHGDN_FORPARSING).
 421 *       SHGDN_INFOLDER makes no sense.
 422 */
 423 static HRESULT WINAPI ISF_MyComputer_fnGetDisplayNameOf (IShellFolder2 * iface, LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET strRet)
 424 {
 425     ICOM_THIS (IGenericSFImpl, iface);
 426
 427     char szPath[MAX_PATH],
 428       szDrive[18];
 429     int len = 0;
 430     BOOL bSimplePidl;
 431
 432     TRACE ("(%p)->(pidl=%p,0x%08lx,%p)\n", This, pidl, dwFlags, strRet);
 433     pdump (pidl);
 434
 435     if (!strRet)
 436         return E_INVALIDARG;
 437
 438     szPath[0] = 0x00;
 439     szDrive[0] = 0x00;
 440
 441     bSimplePidl = _ILIsPidlSimple (pidl);
 442
 443     if (_ILIsSpecialFolder (pidl)) {
 444         /* take names of special folders only if its only this folder */
 445         if (bSimplePidl) {
 446             _ILSimpleGetText (pidl, szPath, MAX_PATH);  /* append my own path */
 447         } else {
 448             FIXME ("special folder\n");
 449         }
 450     } else {
 451         if (!_ILIsDrive (pidl)) {
 452             ERR ("Wrong pidl type\n");
 453             return E_INVALIDARG;
 454         }
 455
 456         _ILSimpleGetText (pidl, szPath, MAX_PATH);      /* append my own path */
 457
 458         /* long view "lw_name (C:)" */
 459         if (bSimplePidl && !(dwFlags & SHGDN_FORPARSING)) {
 460             DWORD dwVolumeSerialNumber,
 461               dwMaximumComponetLength,
 462               dwFileSystemFlags;
 463
 464             GetVolumeInformationA (szPath, szDrive, sizeof (szDrive) - 6, &dwVolumeSerialNumber,
 465                                    &dwMaximumComponetLength, &dwFileSystemFlags, NULL, 0);
 466             strcat (szDrive, " (");
 467             strncat (szDrive, szPath, 2);
 468             strcat (szDrive, ")");
 469             strcpy (szPath, szDrive);
 470         }
 471     }
 472
 473     if (!bSimplePidl) {         /* go deeper if needed */
 474         PathAddBackslashA (szPath);
 475         len = strlen (szPath);
 476
 477         if (!SUCCEEDED
 478             (SHELL32_GetDisplayNameOfChild (iface, pidl, dwFlags | SHGDN_INFOLDER, szPath + len, MAX_PATH - len)))
 479             return E_OUTOFMEMORY;
 480     }
 481     strRet->uType = STRRET_CSTR;
 482     lstrcpynA (strRet->u.cStr, szPath, MAX_PATH);
 483
 484     TRACE ("-- (%p)->(%s)\n", This, szPath);
 485     return S_OK;
 486 }
 487
 488 /**************************************************************************
 489 *  ISF_MyComputer_fnSetNameOf
 490 *  Changes the name of a file object or subfolder, possibly changing its item
 491 *  identifier in the process.
 492 *
 493 * PARAMETERS
 494 *  HWND          hwndOwner,  //[in ] Owner window for output
 495 *  LPCITEMIDLIST pidl,       //[in ] simple pidl of item to change
 496 *  LPCOLESTR     lpszName,   //[in ] the items new display name
 497 *  DWORD         dwFlags,    //[in ] SHGNO formatting flags
 498 *  LPITEMIDLIST* ppidlOut)   //[out] simple pidl returned
 499 */
 500 static HRESULT WINAPI ISF_MyComputer_fnSetNameOf (IShellFolder2 * iface, HWND hwndOwner, LPCITEMIDLIST pidl,    /*simple pidl */
 501                                                   LPCOLESTR lpName, DWORD dwFlags, LPITEMIDLIST * pPidlOut)
 502 {
 503     ICOM_THIS (IGenericSFImpl, iface);
 504     FIXME ("(%p)->(%p,pidl=%p,%s,%lu,%p)\n", This, hwndOwner, pidl, debugstr_w (lpName), dwFlags, pPidlOut);
 505     return E_FAIL;
 506 }
 507
 508 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultSearchGUID (IShellFolder2 * iface, GUID * pguid)
 509 {
 510     ICOM_THIS (IGenericSFImpl, iface);
 511     FIXME ("(%p)\n", This);
 512     return E_NOTIMPL;
 513 }
 514 static HRESULT WINAPI ISF_MyComputer_fnEnumSearches (IShellFolder2 * iface, IEnumExtraSearch ** ppenum)
 515 {
 516     ICOM_THIS (IGenericSFImpl, iface);
 517     FIXME ("(%p)\n", This);
 518     return E_NOTIMPL;
 519 }
 520 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumn (IShellFolder2 * iface, DWORD dwRes, ULONG * pSort, ULONG * pDisplay)
 521 {
 522     ICOM_THIS (IGenericSFImpl, iface);
 523
 524     TRACE ("(%p)\n", This);
 525
 526     if (pSort) *pSort = 0;
 527     if (pDisplay) *pDisplay = 0;
 528     return S_OK;
 529 }
 530 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumnState (IShellFolder2 * iface, UINT iColumn, DWORD * pcsFlags)
 531 {
 532     ICOM_THIS (IGenericSFImpl, iface);
 533
 534     TRACE ("(%p)\n", This);
 535
 536     if (!pcsFlags || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS) return E_INVALIDARG;
 537     *pcsFlags = MyComputerSFHeader[iColumn].pcsFlags;
 538     return S_OK;
 539 }
 540 static HRESULT WINAPI ISF_MyComputer_fnGetDetailsEx (IShellFolder2 * iface, LPCITEMIDLIST pidl, const SHCOLUMNID * pscid, VARIANT * pv)
 541 {
 542     ICOM_THIS (IGenericSFImpl, iface);
 543     FIXME ("(%p)\n", This);
 544     return E_NOTIMPL;
 545 }
 546
 547 /* FIXME: drive size >4GB is rolling over */
 548 static HRESULT WINAPI ISF_MyComputer_fnGetDetailsOf (IShellFolder2 * iface, LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS * psd)
 549 {
 550     ICOM_THIS (IGenericSFImpl, iface);
 551     HRESULT hr;
 552
 553     TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);
 554
 555     if (!psd || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS)
 556         return E_INVALIDARG;
 557
 558     if (!pidl) {
 559         psd->fmt = MyComputerSFHeader[iColumn].fmt;
 560         psd->cxChar = MyComputerSFHeader[iColumn].cxChar;
 561         psd->str.uType = STRRET_CSTR;
 562         LoadStringA (shell32_hInstance, MyComputerSFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
 563         return S_OK;
 564     } else {
 565         char szPath[MAX_PATH];
 566         ULARGE_INTEGER ulBytes;
 567
 568         psd->str.u.cStr[0] = 0x00;
 569         psd->str.uType = STRRET_CSTR;
 570         switch (iColumn) {
 571         case 0:         /* name */
 572             hr = IShellFolder_GetDisplayNameOf (iface, pidl, SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
 573             break;
 574         case 1:         /* type */
 575             _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
 576             break;
 577         case 2:         /* total size */
 578             if (_ILIsDrive (pidl)) {
 579                 _ILSimpleGetText (pidl, szPath, MAX_PATH);
 580                 GetDiskFreeSpaceExA (szPath, NULL, &ulBytes, NULL);
 581                 StrFormatByteSizeA (ulBytes.s.LowPart, psd->str.u.cStr, MAX_PATH);
 582             }
 583             break;
 584         case 3:         /* free size */
 585             if (_ILIsDrive (pidl)) {
 586                 _ILSimpleGetText (pidl, szPath, MAX_PATH);
 587                 GetDiskFreeSpaceExA (szPath, &ulBytes, NULL, NULL);
 588                 StrFormatByteSizeA (ulBytes.s.LowPart, psd->str.u.cStr, MAX_PATH);
 589             }
 590             break;
 591         }
 592         hr = S_OK;
 593     }
 594
 595     return hr;
 596 }
 597 static HRESULT WINAPI ISF_MyComputer_fnMapColumnToSCID (IShellFolder2 * iface, UINT column, SHCOLUMNID * pscid)
 598 {
 599     ICOM_THIS (IGenericSFImpl, iface);
 600     FIXME ("(%p)\n", This);
 601     return E_NOTIMPL;
 602 }
 603
 604 static ICOM_VTABLE (IShellFolder2) vt_ShellFolder2 =
 605 {
 606         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 607         ISF_MyComputer_fnQueryInterface,
 608         ISF_MyComputer_fnAddRef,
 609         ISF_MyComputer_fnRelease,
 610         ISF_MyComputer_fnParseDisplayName,
 611         ISF_MyComputer_fnEnumObjects,
 612         ISF_MyComputer_fnBindToObject,
 613         ISF_MyComputer_fnBindToStorage,
 614         ISF_MyComputer_fnCompareIDs,
 615         ISF_MyComputer_fnCreateViewObject,
 616         ISF_MyComputer_fnGetAttributesOf,
 617         ISF_MyComputer_fnGetUIObjectOf,
 618         ISF_MyComputer_fnGetDisplayNameOf,
 619         ISF_MyComputer_fnSetNameOf,
 620         /* ShellFolder2 */
 621         ISF_MyComputer_fnGetDefaultSearchGUID,
 622         ISF_MyComputer_fnEnumSearches,
 623         ISF_MyComputer_fnGetDefaultColumn,
 624         ISF_MyComputer_fnGetDefaultColumnState,
 625         ISF_MyComputer_fnGetDetailsEx,
 626         ISF_MyComputer_fnGetDetailsOf,
 627         ISF_MyComputer_fnMapColumnToSCID
 628 };
 629
 630 /************************************************************************
 631  *      IMCFldr_PersistFolder2_QueryInterface
 632  */
 633 static HRESULT WINAPI IMCFldr_PersistFolder2_QueryInterface (IPersistFolder2 * iface, REFIID iid, LPVOID * ppvObj)
 634 {
 635     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 636
 637     TRACE ("(%p)\n", This);
 638
 639     return IUnknown_QueryInterface (_IUnknown_ (This), iid, ppvObj);
 640 }
 641
 642 /************************************************************************
 643  *      IMCFldr_PersistFolder2_AddRef
 644  */
 645 static ULONG WINAPI IMCFldr_PersistFolder2_AddRef (IPersistFolder2 * iface)
 646 {
 647     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 648
 649     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 650
 651     return IUnknown_AddRef (_IUnknown_ (This));
 652 }
 653
 654 /************************************************************************
 655  *      ISFPersistFolder_Release
 656  */
 657 static ULONG WINAPI IMCFldr_PersistFolder2_Release (IPersistFolder2 * iface)
 658 {
 659     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 660
 661     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 662
 663     return IUnknown_Release (_IUnknown_ (This));
 664 }
 665
 666 /************************************************************************
 667  *      IMCFldr_PersistFolder2_GetClassID
 668  */
 669 static HRESULT WINAPI IMCFldr_PersistFolder2_GetClassID (IPersistFolder2 * iface, CLSID * lpClassId)
 670 {
 671     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 672
 673     TRACE ("(%p)\n", This);
 674
 675     if (!lpClassId)
 676         return E_POINTER;
 677     *lpClassId = CLSID_MyComputer;
 678
 679     return S_OK;
 680 }
 681
 682 /************************************************************************
 683  *      IMCFldr_PersistFolder2_Initialize
 684  *
 685  * NOTES: it makes no sense to change the pidl
 686  */
 687 static HRESULT WINAPI IMCFldr_PersistFolder2_Initialize (IPersistFolder2 * iface, LPCITEMIDLIST pidl)
 688 {
 689     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 690     TRACE ("(%p)->(%p)\n", This, pidl);
 691     return E_NOTIMPL;
 692 }
 693
 694 /**************************************************************************
 695  *      IPersistFolder2_fnGetCurFolder
 696  */
 697 static HRESULT WINAPI IMCFldr_PersistFolder2_GetCurFolder (IPersistFolder2 * iface, LPITEMIDLIST * pidl)
 698 {
 699     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 700
 701     TRACE ("(%p)->(%p)\n", This, pidl);
 702
 703     if (!pidl)
 704         return E_POINTER;
 705     *pidl = ILClone (This->pidlRoot);
 706     return S_OK;
 707 }
 708
 709 static ICOM_VTABLE (IPersistFolder2) vt_PersistFolder2 =
 710 {
 711 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 712         IMCFldr_PersistFolder2_QueryInterface,
 713         IMCFldr_PersistFolder2_AddRef,
 714         IMCFldr_PersistFolder2_Release,
 715         IMCFldr_PersistFolder2_GetClassID,
 716         IMCFldr_PersistFolder2_Initialize,
 717         IMCFldr_PersistFolder2_GetCurFolder
 718 };