dlls/shell32/folders.c

   1 /*
   2  *      Copyright 1997  Marcus Meissner
   3  *      Copyright 1998  Juergen Schmied
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include "config.h"
  21 #include "wine/port.h"
  22
  23 #include <stdlib.h>
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "objbase.h"
  31 #include "undocshell.h"
  32 #include "shlguid.h"
  33 #include "winreg.h"
  34 #include "shlwapi.h"
  35
  36 #include "wine/debug.h"
  37 #include "winerror.h"
  38
  39 #include "pidl.h"
  40 #include "shell32_main.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  43
  44 /***********************************************************************
  45 *   IExtractIconW implementation
  46 */
  47 typedef struct
  48 {
  49         ICOM_VFIELD(IExtractIconW);
  50         DWORD   ref;
  51         ICOM_VTABLE(IPersistFile)*      lpvtblPersistFile;
  52         ICOM_VTABLE(IExtractIconA)*     lpvtblExtractIconA;
  53         LPITEMIDLIST    pidl;
  54 } IExtractIconWImpl;
  55
  56 static struct ICOM_VTABLE(IExtractIconA) eiavt;
  57 static struct ICOM_VTABLE(IExtractIconW) eivt;
  58 static struct ICOM_VTABLE(IPersistFile) pfvt;
  59
  60 #define _IPersistFile_Offset ((int)(&(((IExtractIconWImpl*)0)->lpvtblPersistFile)))
  61 #define _ICOM_THIS_From_IPersistFile(class, name) class* This = (class*)(((char*)name)-_IPersistFile_Offset);
  62
  63 #define _IExtractIconA_Offset ((int)(&(((IExtractIconWImpl*)0)->lpvtblExtractIconA)))
  64 #define _ICOM_THIS_From_IExtractIconA(class, name) class* This = (class*)(((char*)name)-_IExtractIconA_Offset);
  65
  66 /**************************************************************************
  67 *  IExtractIconW_Constructor
  68 */
  69 IExtractIconW* IExtractIconW_Constructor(LPCITEMIDLIST pidl)
  70 {
  71         IExtractIconWImpl* ei;
  72
  73         TRACE("%p\n", pidl);
  74
  75         ei = (IExtractIconWImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IExtractIconWImpl));
  76         ei->ref=1;
  77         ei->lpVtbl = &eivt;
  78         ei->lpvtblPersistFile = &pfvt;
  79         ei->lpvtblExtractIconA = &eiavt;
  80         ei->pidl=ILClone(pidl);
  81
  82         pdump(pidl);
  83
  84         TRACE("(%p)\n", ei);
  85         return (IExtractIconW *)ei;
  86 }
  87 /**************************************************************************
  88  *  IExtractIconW_QueryInterface
  89  */
  90 static HRESULT WINAPI IExtractIconW_fnQueryInterface(IExtractIconW *iface, REFIID riid, LPVOID *ppvObj)
  91 {
  92         ICOM_THIS(IExtractIconWImpl, iface);
  93
  94         TRACE("(%p)->(\n\tIID:\t%s,%p)\n", This, debugstr_guid(riid), ppvObj);
  95
  96         *ppvObj = NULL;
  97
  98         if (IsEqualIID(riid, &IID_IUnknown))                            /*IUnknown*/
  99         {
 100           *ppvObj = This;
 101         }
 102         else if (IsEqualIID(riid, &IID_IPersistFile))   /*IExtractIcon*/
 103         {
 104           *ppvObj = (IPersistFile*)&(This->lpvtblPersistFile);
 105         }
 106         else if (IsEqualIID(riid, &IID_IExtractIconA))  /*IExtractIcon*/
 107         {
 108           *ppvObj = (IExtractIconA*)&(This->lpvtblExtractIconA);
 109         }
 110         else if (IsEqualIID(riid, &IID_IExtractIconW))  /*IExtractIcon*/
 111         {
 112           *ppvObj = (IExtractIconW*)This;
 113         }
 114
 115         if(*ppvObj)
 116         {
 117           IExtractIconW_AddRef((IExtractIconW*) *ppvObj);
 118           TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
 119           return S_OK;
 120         }
 121         TRACE("-- Interface: E_NOINTERFACE\n");
 122         return E_NOINTERFACE;
 123 }
 124
 125 /**************************************************************************
 126 *  IExtractIconW_AddRef
 127 */
 128 static ULONG WINAPI IExtractIconW_fnAddRef(IExtractIconW * iface)
 129 {
 130         ICOM_THIS(IExtractIconWImpl, iface);
 131
 132         TRACE("(%p)->(count=%lu)\n",This, This->ref );
 133
 134         return ++(This->ref);
 135 }
 136 /**************************************************************************
 137 *  IExtractIconW_Release
 138 */
 139 static ULONG WINAPI IExtractIconW_fnRelease(IExtractIconW * iface)
 140 {
 141         ICOM_THIS(IExtractIconWImpl, iface);
 142
 143         TRACE("(%p)->()\n",This);
 144
 145         if (!--(This->ref))
 146         {
 147           TRACE(" destroying IExtractIcon(%p)\n",This);
 148           SHFree(This->pidl);
 149           HeapFree(GetProcessHeap(),0,This);
 150           return 0;
 151         }
 152         return This->ref;
 153 }
 154
 155 static HRESULT getIconLocationForFolder(IExtractIconW *iface, UINT uFlags,
 156  LPWSTR szIconFile, UINT cchMax, int *piIndex, UINT *pwFlags)
 157 {
 158     ICOM_THIS(IExtractIconWImpl, iface);
 159
 160     WCHAR path[MAX_PATH];
 161     BOOL found = FALSE;
 162     DWORD dwNr;
 163
 164     if (SUCCEEDED(SHGetPathFromIDListW(This->pidl, path)))
 165     {
 166         static const WCHAR desktopIni[] = { 'D','e','s','k','t','o','p','.',
 167          'i','n','i',0 };
 168         HANDLE hFile;
 169
 170         PathAppendW(path, desktopIni);
 171         if ((hFile = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ, NULL,
 172          OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE)
 173         {
 174             static const WCHAR shellClassInfo[] = { '.','S','h','e','l','l',
 175              'C','l','a','s','s','I','n','f','o',0 };
 176             static const WCHAR iconFile[] =
 177              { 'I','c','o','n','F','i','l','e',0 };
 178             static const WCHAR clsid[] = { 'C','L','S','I','D',0 };
 179             static const WCHAR clsid2[] = { 'C','L','S','I','D','2',0 };
 180             static const WCHAR defStr[] = { 0 };
 181             WCHAR clsidStr[39];
 182
 183             CloseHandle(hFile);
 184             if (GetPrivateProfileStringW(shellClassInfo, iconFile, defStr,
 185              szIconFile, cchMax, path) && strlenW(szIconFile))
 186             {
 187                 static const WCHAR iconIndex[] = { 'I','c','o','n',
 188                  'I','n','d','e','x',0 };
 189
 190                 found = TRUE;
 191                 *piIndex = (int)GetPrivateProfileIntW(shellClassInfo, iconIndex,
 192                  0, path);
 193             }
 194             else if (GetPrivateProfileStringW(shellClassInfo, clsid, defStr,
 195              clsidStr, sizeof(clsidStr) / sizeof(WCHAR), path) &&
 196              strlenW(clsidStr))
 197             {
 198                 if (HCR_GetDefaultIconW(clsidStr, szIconFile, cchMax, &dwNr))
 199                 {
 200                     *piIndex = dwNr;
 201                     found = TRUE;
 202                 }
 203             }
 204             else if (GetPrivateProfileStringW(shellClassInfo, clsid2, defStr,
 205              clsidStr, sizeof(clsidStr) / sizeof(WCHAR), path) &&
 206              strlenW(clsidStr))
 207             {
 208                 if (HCR_GetDefaultIconW(clsidStr, szIconFile, cchMax, &dwNr))
 209                 {
 210                     *piIndex = dwNr;
 211                     found = TRUE;
 212                 }
 213             }
 214         }
 215     }
 216     if (!found)
 217     {
 218         static const WCHAR folder[] = { 'F','o','l','d','e','r',0 };
 219
 220         if (!HCR_GetDefaultIconW(folder, szIconFile, cchMax, &dwNr))
 221         {
 222             lstrcpynW(szIconFile, swShell32Name, cchMax);
 223             dwNr = 3;
 224         }
 225         *piIndex = (uFlags & GIL_OPENICON) ? dwNr + 1 : dwNr;
 226     }
 227     return S_OK;
 228 }
 229
 230 WCHAR swShell32Name[MAX_PATH];
 231
 232 /**************************************************************************
 233 *  IExtractIconW_GetIconLocation
 234 *
 235 * mapping filetype to icon
 236 */
 237 static HRESULT WINAPI IExtractIconW_fnGetIconLocation(
 238         IExtractIconW * iface,
 239         UINT uFlags,            /* GIL_ flags */
 240         LPWSTR szIconFile,
 241         UINT cchMax,
 242         int * piIndex,
 243         UINT * pwFlags)         /* returned GIL_ flags */
 244 {
 245         ICOM_THIS(IExtractIconWImpl, iface);
 246
 247         char    sTemp[MAX_PATH];
 248         DWORD   dwNr;
 249         GUID const * riid;
 250         LPITEMIDLIST    pSimplePidl = ILFindLastID(This->pidl);
 251
 252         TRACE("(%p) (flags=%u %p %u %p %p)\n", This, uFlags, szIconFile, cchMax, piIndex, pwFlags);
 253
 254         if (pwFlags)
 255           *pwFlags = 0;
 256
 257         if (_ILIsDesktop(pSimplePidl))
 258         {
 259           lstrcpynW(szIconFile, swShell32Name, cchMax);
 260           *piIndex = 34;
 261         }
 262
 263         /* my computer and other shell extensions */
 264         else if ((riid = _ILGetGUIDPointer(pSimplePidl)))
 265         {
 266           static const WCHAR fmt[] = { 'C','L','S','I','D','\\',
 267        '{','%','0','8','l','x','-','%','0','4','x','-','%','0','4','x','-',
 268        '%','0','2','x','%','0','2','x','-','%','0','2','x', '%','0','2','x',
 269        '%','0','2','x','%','0','2','x','%','0','2','x','%','0','2','x','}',0 };
 270           WCHAR xriid[50];
 271
 272           sprintfW(xriid, fmt,
 273                   riid->Data1, riid->Data2, riid->Data3,
 274                   riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
 275                   riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]);
 276
 277           if (HCR_GetDefaultIconW(xriid, szIconFile, cchMax, &dwNr))
 278           {
 279             *piIndex = dwNr;
 280           }
 281           else
 282           {
 283             lstrcpynW(szIconFile, swShell32Name, cchMax);
 284             *piIndex = 15;
 285           }
 286         }
 287
 288         else if (_ILIsDrive (pSimplePidl))
 289         {
 290           static const WCHAR drive[] = { 'D','r','i','v','e',0 };
 291
 292           if (HCR_GetDefaultIconW(drive, szIconFile, cchMax, &dwNr))
 293           {
 294             *piIndex = dwNr;
 295           }
 296           else
 297           {
 298             lstrcpynW(szIconFile, swShell32Name, cchMax);
 299             *piIndex = 8;
 300           }
 301         }
 302         else if (_ILIsFolder (pSimplePidl))
 303         {
 304           getIconLocationForFolder(iface, uFlags, szIconFile, cchMax, piIndex,
 305            pwFlags);
 306         }
 307         else
 308         {
 309           BOOL found = FALSE;
 310
 311           if (_ILIsCPanelStruct(pSimplePidl))
 312           {
 313             if (SUCCEEDED(CPanel_GetIconLocationW(pSimplePidl, szIconFile, cchMax, piIndex)))
 314                 found = TRUE;
 315           }
 316           else if (_ILGetExtension(pSimplePidl, sTemp, MAX_PATH))
 317           {
 318             if (HCR_MapTypeToValueA(sTemp, sTemp, MAX_PATH, TRUE)
 319                 && HCR_GetDefaultIconA(sTemp, sTemp, MAX_PATH, &dwNr))
 320             {
 321               if (!lstrcmpA("%1", sTemp))               /* icon is in the file */
 322               {
 323                 SHGetPathFromIDListW(This->pidl, szIconFile);
 324                 *piIndex = 0;
 325               }
 326               else
 327               {
 328                 MultiByteToWideChar(CP_ACP, 0, sTemp, -1, szIconFile, cchMax);
 329                 *piIndex = dwNr;
 330               }
 331
 332               found = TRUE;
 333             }
 334             else if (!strcasecmp(sTemp, "lnkfile"))
 335             {
 336               /* extract icon from shell shortcut */
 337               IShellFolder* dsf;
 338               IShellLinkW* psl;
 339
 340               if (SUCCEEDED(SHGetDesktopFolder(&dsf)))
 341               {
 342                 HRESULT hr = IShellFolder_GetUIObjectOf(dsf, NULL, 1, (LPCITEMIDLIST*)&This->pidl, &IID_IShellLinkW, NULL, (LPVOID*)&psl);
 343
 344                 if (SUCCEEDED(hr))
 345                 {
 346                   hr = IShellLinkW_GetIconLocation(psl, szIconFile, MAX_PATH, piIndex);
 347
 348                   if (SUCCEEDED(hr) && *szIconFile)
 349                     found = TRUE;
 350
 351                   IShellLinkW_Release(psl);
 352                 }
 353
 354                 IShellFolder_Release(dsf);
 355               }
 356             }
 357           }
 358
 359           if (!found)                                   /* default icon */
 360           {
 361             lstrcpynW(szIconFile, swShell32Name, cchMax);
 362             *piIndex = 0;
 363           }
 364         }
 365
 366         TRACE("-- %s %x\n", debugstr_w(szIconFile), *piIndex);
 367         return NOERROR;
 368 }
 369
 370 /**************************************************************************
 371 *  IExtractIconW_Extract
 372 */
 373 static HRESULT WINAPI IExtractIconW_fnExtract(IExtractIconW * iface, LPCWSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize)
 374 {
 375         ICOM_THIS(IExtractIconWImpl, iface);
 376
 377         FIXME("(%p) (file=%p index=%u %p %p size=%u) semi-stub\n", This, debugstr_w(pszFile), nIconIndex, phiconLarge, phiconSmall, nIconSize);
 378
 379         if (phiconLarge)
 380           *phiconLarge = ImageList_GetIcon(ShellBigIconList, nIconIndex, ILD_TRANSPARENT);
 381
 382         if (phiconSmall)
 383           *phiconSmall = ImageList_GetIcon(ShellSmallIconList, nIconIndex, ILD_TRANSPARENT);
 384
 385         return S_OK;
 386 }
 387
 388 static struct ICOM_VTABLE(IExtractIconW) eivt =
 389 {
 390         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 391         IExtractIconW_fnQueryInterface,
 392         IExtractIconW_fnAddRef,
 393         IExtractIconW_fnRelease,
 394         IExtractIconW_fnGetIconLocation,
 395         IExtractIconW_fnExtract
 396 };
 397
 398 /**************************************************************************
 399 *  IExtractIconA_Constructor
 400 */
 401 IExtractIconA* IExtractIconA_Constructor(LPCITEMIDLIST pidl)
 402 {
 403         ICOM_THIS(IExtractIconWImpl, IExtractIconW_Constructor(pidl));
 404         IExtractIconA *eia = (IExtractIconA *)&This->lpvtblExtractIconA;
 405
 406         TRACE("(%p)->(%p)\n", This, eia);
 407         return eia;
 408 }
 409 /**************************************************************************
 410  *  IExtractIconA_QueryInterface
 411  */
 412 static HRESULT WINAPI IExtractIconA_fnQueryInterface(IExtractIconA * iface, REFIID riid, LPVOID *ppvObj)
 413 {
 414         _ICOM_THIS_From_IExtractIconA(IExtractIconW, iface);
 415
 416         return IExtractIconW_QueryInterface(This, riid, ppvObj);
 417 }
 418
 419 /**************************************************************************
 420 *  IExtractIconA_AddRef
 421 */
 422 static ULONG WINAPI IExtractIconA_fnAddRef(IExtractIconA * iface)
 423 {
 424         _ICOM_THIS_From_IExtractIconA(IExtractIconW, iface);
 425
 426         return IExtractIconW_AddRef(This);
 427 }
 428 /**************************************************************************
 429 *  IExtractIconA_Release
 430 */
 431 static ULONG WINAPI IExtractIconA_fnRelease(IExtractIconA * iface)
 432 {
 433         _ICOM_THIS_From_IExtractIconA(IExtractIconW, iface);
 434
 435         return IExtractIconW_AddRef(This);
 436 }
 437 /**************************************************************************
 438 *  IExtractIconA_GetIconLocation
 439 *
 440 * mapping filetype to icon
 441 */
 442 static HRESULT WINAPI IExtractIconA_fnGetIconLocation(
 443         IExtractIconA * iface,
 444         UINT uFlags,
 445         LPSTR szIconFile,
 446         UINT cchMax,
 447         int * piIndex,
 448         UINT * pwFlags)
 449 {
 450         HRESULT ret;
 451         LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, cchMax * sizeof(WCHAR));
 452         _ICOM_THIS_From_IExtractIconA(IExtractIconW, iface);
 453
 454         TRACE("(%p) (flags=%u %p %u %p %p)\n", This, uFlags, szIconFile, cchMax, piIndex, pwFlags);
 455
 456         ret = IExtractIconW_GetIconLocation(This, uFlags, lpwstrFile, cchMax, piIndex, pwFlags);
 457         WideCharToMultiByte(CP_ACP, 0, lpwstrFile, -1, szIconFile, cchMax, NULL, NULL);
 458         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 459
 460         TRACE("-- %s %x\n", szIconFile, *piIndex);
 461         return ret;
 462 }
 463 /**************************************************************************
 464 *  IExtractIconA_Extract
 465 */
 466 static HRESULT WINAPI IExtractIconA_fnExtract(IExtractIconA * iface, LPCSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize)
 467 {
 468         HRESULT ret;
 469         INT len = MultiByteToWideChar(CP_ACP, 0, pszFile, -1, NULL, 0);
 470         LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 471         _ICOM_THIS_From_IExtractIconA(IExtractIconW, iface);
 472
 473         TRACE("(%p) (file=%p index=%u %p %p size=%u)\n", This, pszFile, nIconIndex, phiconLarge, phiconSmall, nIconSize);
 474
 475         MultiByteToWideChar(CP_ACP, 0, pszFile, -1, lpwstrFile, len);
 476         ret = IExtractIconW_Extract(This, lpwstrFile, nIconIndex, phiconLarge, phiconSmall, nIconSize);
 477         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 478         return ret;
 479 }
 480
 481 static struct ICOM_VTABLE(IExtractIconA) eiavt =
 482 {
 483         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 484         IExtractIconA_fnQueryInterface,
 485         IExtractIconA_fnAddRef,
 486         IExtractIconA_fnRelease,
 487         IExtractIconA_fnGetIconLocation,
 488         IExtractIconA_fnExtract
 489 };
 490
 491 /************************************************************************
 492  * IEIPersistFile_QueryInterface (IUnknown)
 493  */
 494 static HRESULT WINAPI IEIPersistFile_fnQueryInterface(
 495         IPersistFile    *iface,
 496         REFIID          iid,
 497         LPVOID          *ppvObj)
 498 {
 499         _ICOM_THIS_From_IPersistFile(IExtractIconW, iface);
 500
 501         return IExtractIconW_QueryInterface(This, iid, ppvObj);
 502 }
 503
 504 /************************************************************************
 505  * IEIPersistFile_AddRef (IUnknown)
 506  */
 507 static ULONG WINAPI IEIPersistFile_fnAddRef(
 508         IPersistFile    *iface)
 509 {
 510         _ICOM_THIS_From_IPersistFile(IExtractIconW, iface);
 511
 512         return IExtractIconW_AddRef(This);
 513 }
 514
 515 /************************************************************************
 516  * IEIPersistFile_Release (IUnknown)
 517  */
 518 static ULONG WINAPI IEIPersistFile_fnRelease(
 519         IPersistFile    *iface)
 520 {
 521         _ICOM_THIS_From_IPersistFile(IExtractIconW, iface);
 522
 523         return IExtractIconW_Release(This);
 524 }
 525
 526 /************************************************************************
 527  * IEIPersistFile_GetClassID (IPersist)
 528  */
 529 static HRESULT WINAPI IEIPersistFile_fnGetClassID(
 530         IPersistFile    *iface,
 531         LPCLSID         lpClassId)
 532 {
 533         CLSID StdFolderID = { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} };
 534
 535         if (lpClassId==NULL)
 536           return E_POINTER;
 537
 538         memcpy(lpClassId, &StdFolderID, sizeof(StdFolderID));
 539
 540         return S_OK;
 541 }
 542
 543 /************************************************************************
 544  * IEIPersistFile_Load (IPersistFile)
 545  */
 546 static HRESULT WINAPI IEIPersistFile_fnLoad(IPersistFile* iface, LPCOLESTR pszFileName, DWORD dwMode)
 547 {
 548         _ICOM_THIS_From_IPersistFile(IExtractIconW, iface);
 549         FIXME("%p\n", This);
 550         return E_NOTIMPL;
 551
 552 }
 553
 554 static struct ICOM_VTABLE(IPersistFile) pfvt =
 555 {
 556         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 557         IEIPersistFile_fnQueryInterface,
 558         IEIPersistFile_fnAddRef,
 559         IEIPersistFile_fnRelease,
 560         IEIPersistFile_fnGetClassID,
 561         (void *) 0xdeadbeef /* IEIPersistFile_fnIsDirty */,
 562         IEIPersistFile_fnLoad,
 563         (void *) 0xdeadbeef /* IEIPersistFile_fnSave */,
 564         (void *) 0xdeadbeef /* IEIPersistFile_fnSaveCompleted */,
 565         (void *) 0xdeadbeef /* IEIPersistFile_fnGetCurFile */
 566 };