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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 #define COBJMACROS
  29
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winerror.h"
  33 #include "objbase.h"
  34 #include "undocshell.h"
  35 #include "shlguid.h"
  36
  37 #include "wine/debug.h"
  38
  39 #include "pidl.h"
  40 #include "shell32_main.h"
  41 #include "shfldr.h"
  42 #include "shresdef.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  45
  46 /***********************************************************************
  47 *   IExtractIconW implementation
  48 */
  49 typedef struct
  50 {
  51         IExtractIconW      IExtractIconW_iface;
  52         IExtractIconA      IExtractIconA_iface;
  53         IPersistFile       IPersistFile_iface;
  54         LONG               ref;
  55         LPITEMIDLIST       pidl;
  56 } IExtractIconWImpl;
  57
  58 static inline IExtractIconWImpl *impl_from_IExtractIconW(IExtractIconW *iface)
  59 {
  60     return CONTAINING_RECORD(iface, IExtractIconWImpl, IExtractIconW_iface);
  61 }
  62
  63 static inline IExtractIconWImpl *impl_from_IExtractIconA(IExtractIconA *iface)
  64 {
  65     return CONTAINING_RECORD(iface, IExtractIconWImpl, IExtractIconA_iface);
  66 }
  67
  68 static inline IExtractIconWImpl *impl_from_IPersistFile(IPersistFile *iface)
  69 {
  70     return CONTAINING_RECORD(iface, IExtractIconWImpl, IPersistFile_iface);
  71 }
  72
  73
  74 /**************************************************************************
  75  *  IExtractIconW::QueryInterface
  76  */
  77 static HRESULT WINAPI IExtractIconW_fnQueryInterface(IExtractIconW *iface, REFIID riid,
  78         void **ppv)
  79 {
  80     IExtractIconWImpl *This = impl_from_IExtractIconW(iface);
  81
  82     TRACE("(%p)->(\n\tIID:\t%s,%p)\n", This, debugstr_guid(riid), ppv);
  83
  84     *ppv = NULL;
  85     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IExtractIconW))
  86         *ppv = iface;
  87     else if (IsEqualIID(riid, &IID_IPersistFile))
  88         *ppv = &This->IPersistFile_iface;
  89     else if (IsEqualIID(riid, &IID_IExtractIconA))
  90         *ppv = &This->IExtractIconA_iface;
  91
  92     if(*ppv)
  93     {
  94         IUnknown_AddRef((IUnknown*)*ppv);
  95         TRACE("-- Interface: (%p)->(%p)\n", ppv, *ppv);
  96         return S_OK;
  97     }
  98     TRACE("-- Interface: E_NOINTERFACE\n");
  99     return E_NOINTERFACE;
 100 }
 101
 102 /**************************************************************************
 103 *  IExtractIconW::AddRef
 104 */
 105 static ULONG WINAPI IExtractIconW_fnAddRef(IExtractIconW * iface)
 106 {
 107         IExtractIconWImpl *This = impl_from_IExtractIconW(iface);
 108         ULONG refCount = InterlockedIncrement(&This->ref);
 109
 110         TRACE("(%p)->(count=%u)\n", This, refCount - 1);
 111
 112         return refCount;
 113 }
 114 /**************************************************************************
 115 *  IExtractIconW::Release
 116 */
 117 static ULONG WINAPI IExtractIconW_fnRelease(IExtractIconW * iface)
 118 {
 119         IExtractIconWImpl *This = impl_from_IExtractIconW(iface);
 120         ULONG refCount = InterlockedDecrement(&This->ref);
 121
 122         TRACE("(%p)->(count=%u)\n", This, refCount + 1);
 123
 124         if (!refCount)
 125         {
 126           TRACE(" destroying IExtractIcon(%p)\n",This);
 127           SHFree(This->pidl);
 128           HeapFree(GetProcessHeap(),0,This);
 129           return 0;
 130         }
 131         return refCount;
 132 }
 133
 134 static HRESULT getIconLocationForFolder(IExtractIconWImpl *This, UINT uFlags, LPWSTR szIconFile,
 135         UINT cchMax, int *piIndex, UINT *pwFlags)
 136 {
 137     int icon_idx;
 138     WCHAR wszPath[MAX_PATH];
 139     WCHAR wszCLSIDValue[CHARS_IN_GUID];
 140     static const WCHAR shellClassInfo[] = { '.','S','h','e','l','l','C','l','a','s','s','I','n','f','o',0 };
 141     static const WCHAR iconFile[] = { 'I','c','o','n','F','i','l','e',0 };
 142     static const WCHAR clsid[] = { 'C','L','S','I','D',0 };
 143     static const WCHAR clsid2[] = { 'C','L','S','I','D','2',0 };
 144     static const WCHAR iconIndex[] = { 'I','c','o','n','I','n','d','e','x',0 };
 145
 146     if (SHELL32_GetCustomFolderAttribute(This->pidl, shellClassInfo, iconFile,
 147         wszPath, MAX_PATH))
 148     {
 149         WCHAR wszIconIndex[10];
 150         SHELL32_GetCustomFolderAttribute(This->pidl, shellClassInfo, iconIndex,
 151             wszIconIndex, 10);
 152         *piIndex = atoiW(wszIconIndex);
 153     }
 154     else if (SHELL32_GetCustomFolderAttribute(This->pidl, shellClassInfo, clsid,
 155         wszCLSIDValue, CHARS_IN_GUID) &&
 156         HCR_GetDefaultIconW(wszCLSIDValue, szIconFile, cchMax, &icon_idx))
 157     {
 158        *piIndex = icon_idx;
 159     }
 160     else if (SHELL32_GetCustomFolderAttribute(This->pidl, shellClassInfo, clsid2,
 161         wszCLSIDValue, CHARS_IN_GUID) &&
 162         HCR_GetDefaultIconW(wszCLSIDValue, szIconFile, cchMax, &icon_idx))
 163     {
 164        *piIndex = icon_idx;
 165     }
 166     else
 167     {
 168         static const WCHAR folder[] = { 'F','o','l','d','e','r',0 };
 169
 170         if (!HCR_GetDefaultIconW(folder, szIconFile, cchMax, &icon_idx))
 171         {
 172             lstrcpynW(szIconFile, swShell32Name, cchMax);
 173             icon_idx = -IDI_SHELL_FOLDER;
 174         }
 175
 176         if (uFlags & GIL_OPENICON)
 177             *piIndex = icon_idx<0? icon_idx-1: icon_idx+1;
 178         else
 179             *piIndex = icon_idx;
 180     }
 181
 182     return S_OK;
 183 }
 184
 185 WCHAR swShell32Name[MAX_PATH];
 186
 187 /**************************************************************************
 188 *  IExtractIconW::GetIconLocation
 189 *
 190 * mapping filetype to icon
 191 */
 192 static HRESULT WINAPI IExtractIconW_fnGetIconLocation(IExtractIconW * iface, UINT uFlags,
 193         LPWSTR szIconFile, UINT cchMax, int * piIndex, UINT * pwFlags)
 194 {
 195         IExtractIconWImpl *This = impl_from_IExtractIconW(iface);
 196         char    sTemp[MAX_PATH];
 197         int             icon_idx;
 198         GUID const * riid;
 199         LPITEMIDLIST    pSimplePidl = ILFindLastID(This->pidl);
 200
 201         TRACE("(%p) (flags=%u %p %u %p %p)\n", This, uFlags, szIconFile, cchMax, piIndex, pwFlags);
 202
 203         if (pwFlags)
 204           *pwFlags = 0;
 205
 206         if (_ILIsDesktop(pSimplePidl))
 207         {
 208           lstrcpynW(szIconFile, swShell32Name, cchMax);
 209           *piIndex = -IDI_SHELL_DESKTOP;
 210         }
 211
 212         /* my computer and other shell extensions */
 213         else if ((riid = _ILGetGUIDPointer(pSimplePidl)))
 214         {
 215           static const WCHAR fmt[] = { 'C','L','S','I','D','\\',
 216        '{','%','0','8','l','x','-','%','0','4','x','-','%','0','4','x','-',
 217        '%','0','2','x','%','0','2','x','-','%','0','2','x', '%','0','2','x',
 218        '%','0','2','x','%','0','2','x','%','0','2','x','%','0','2','x','}',0 };
 219           WCHAR xriid[50];
 220
 221           sprintfW(xriid, fmt,
 222                   riid->Data1, riid->Data2, riid->Data3,
 223                   riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
 224                   riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]);
 225
 226           if (HCR_GetDefaultIconW(xriid, szIconFile, cchMax, &icon_idx))
 227           {
 228             *piIndex = icon_idx;
 229           }
 230           else
 231           {
 232             lstrcpynW(szIconFile, swShell32Name, cchMax);
 233             if(IsEqualGUID(riid, &CLSID_MyComputer))
 234                 *piIndex = -IDI_SHELL_MY_COMPUTER;
 235             else if(IsEqualGUID(riid, &CLSID_MyDocuments))
 236                 *piIndex = -IDI_SHELL_MY_DOCUMENTS;
 237             else if(IsEqualGUID(riid, &CLSID_NetworkPlaces))
 238                 *piIndex = -IDI_SHELL_MY_NETWORK_PLACES;
 239             else if(IsEqualGUID(riid, &CLSID_UnixFolder) ||
 240                     IsEqualGUID(riid, &CLSID_UnixDosFolder))
 241                 *piIndex = -IDI_SHELL_DRIVE;
 242             else
 243                 *piIndex = -IDI_SHELL_FOLDER;
 244           }
 245         }
 246
 247         else if (_ILIsDrive (pSimplePidl))
 248         {
 249           static const WCHAR drive[] = { 'D','r','i','v','e',0 };
 250
 251           int icon_idx = -1;
 252
 253           if (_ILGetDrive(pSimplePidl, sTemp, MAX_PATH))
 254           {
 255                 switch(GetDriveTypeA(sTemp))
 256                 {
 257                   case DRIVE_REMOVABLE:   icon_idx = IDI_SHELL_FLOPPY;        break;
 258                   case DRIVE_CDROM:       icon_idx = IDI_SHELL_CDROM;         break;
 259                   case DRIVE_REMOTE:      icon_idx = IDI_SHELL_NETDRIVE;      break;
 260                   case DRIVE_RAMDISK:     icon_idx = IDI_SHELL_RAMDISK;       break;
 261                 }
 262           }
 263
 264           if (icon_idx != -1)
 265           {
 266                 lstrcpynW(szIconFile, swShell32Name, cchMax);
 267                 *piIndex = -icon_idx;
 268           }
 269           else
 270           {
 271                 if (HCR_GetDefaultIconW(drive, szIconFile, cchMax, &icon_idx))
 272                 {
 273                   *piIndex = icon_idx;
 274                 }
 275                 else
 276                 {
 277                   lstrcpynW(szIconFile, swShell32Name, cchMax);
 278                   *piIndex = -IDI_SHELL_DRIVE;
 279                 }
 280           }
 281         }
 282         else if (_ILIsFolder (pSimplePidl))
 283         {
 284             getIconLocationForFolder(This, uFlags, szIconFile, cchMax, piIndex, pwFlags);
 285         }
 286         else
 287         {
 288           BOOL found = FALSE;
 289
 290           if (_ILIsCPanelStruct(pSimplePidl))
 291           {
 292             if (SUCCEEDED(CPanel_GetIconLocationW(pSimplePidl, szIconFile, cchMax, piIndex)))
 293                 found = TRUE;
 294           }
 295           else if (_ILGetExtension(pSimplePidl, sTemp, MAX_PATH))
 296           {
 297             if (HCR_MapTypeToValueA(sTemp, sTemp, MAX_PATH, TRUE)
 298                 && HCR_GetDefaultIconA(sTemp, sTemp, MAX_PATH, &icon_idx))
 299             {
 300               if (!lstrcmpA("%1", sTemp))               /* icon is in the file */
 301               {
 302                 SHGetPathFromIDListW(This->pidl, szIconFile);
 303                 *piIndex = 0;
 304               }
 305               else
 306               {
 307                 MultiByteToWideChar(CP_ACP, 0, sTemp, -1, szIconFile, cchMax);
 308                 *piIndex = icon_idx;
 309               }
 310
 311               found = TRUE;
 312             }
 313             else if (!lstrcmpiA(sTemp, "lnkfile"))
 314             {
 315               /* extract icon from shell shortcut */
 316               IShellFolder* dsf;
 317               IShellLinkW* psl;
 318
 319               if (SUCCEEDED(SHGetDesktopFolder(&dsf)))
 320               {
 321                 HRESULT hr = IShellFolder_GetUIObjectOf(dsf, NULL, 1, (LPCITEMIDLIST*)&This->pidl, &IID_IShellLinkW, NULL, (LPVOID*)&psl);
 322
 323                 if (SUCCEEDED(hr))
 324                 {
 325                   hr = IShellLinkW_GetIconLocation(psl, szIconFile, MAX_PATH, piIndex);
 326
 327                   if (SUCCEEDED(hr) && *szIconFile)
 328                     found = TRUE;
 329
 330                   IShellLinkW_Release(psl);
 331                 }
 332
 333                 IShellFolder_Release(dsf);
 334               }
 335             }
 336           }
 337
 338           if (!found)                                   /* default icon */
 339           {
 340             lstrcpynW(szIconFile, swShell32Name, cchMax);
 341             *piIndex = 0;
 342           }
 343         }
 344
 345         TRACE("-- %s %x\n", debugstr_w(szIconFile), *piIndex);
 346         return S_OK;
 347 }
 348
 349 /**************************************************************************
 350 *  IExtractIconW::Extract
 351 */
 352 static HRESULT WINAPI IExtractIconW_fnExtract(IExtractIconW * iface, LPCWSTR pszFile,
 353         UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize)
 354 {
 355         IExtractIconWImpl *This = impl_from_IExtractIconW(iface);
 356         int index;
 357
 358         FIXME("(%p) (file=%s index=%d %p %p size=%08x) semi-stub\n", This, debugstr_w(pszFile),
 359                 (signed)nIconIndex, phiconLarge, phiconSmall, nIconSize);
 360
 361         index = SIC_GetIconIndex(pszFile, nIconIndex, 0);
 362
 363         if (phiconLarge)
 364           *phiconLarge = ImageList_GetIcon(ShellBigIconList, index, ILD_TRANSPARENT);
 365
 366         if (phiconSmall)
 367           *phiconSmall = ImageList_GetIcon(ShellSmallIconList, index, ILD_TRANSPARENT);
 368
 369         return S_OK;
 370 }
 371
 372 static const IExtractIconWVtbl eivt =
 373 {
 374         IExtractIconW_fnQueryInterface,
 375         IExtractIconW_fnAddRef,
 376         IExtractIconW_fnRelease,
 377         IExtractIconW_fnGetIconLocation,
 378         IExtractIconW_fnExtract
 379 };
 380
 381 /**************************************************************************
 382  *  IExtractIconA::QueryInterface
 383  */
 384 static HRESULT WINAPI IExtractIconA_fnQueryInterface(IExtractIconA * iface, REFIID riid,
 385         void **ppv)
 386 {
 387     IExtractIconWImpl *This = impl_from_IExtractIconA(iface);
 388
 389     return IExtractIconW_QueryInterface(&This->IExtractIconW_iface, riid, ppv);
 390 }
 391
 392 /**************************************************************************
 393 *  IExtractIconA::AddRef
 394 */
 395 static ULONG WINAPI IExtractIconA_fnAddRef(IExtractIconA * iface)
 396 {
 397     IExtractIconWImpl *This = impl_from_IExtractIconA(iface);
 398
 399     return IExtractIconW_AddRef(&This->IExtractIconW_iface);
 400 }
 401 /**************************************************************************
 402 *  IExtractIconA::Release
 403 */
 404 static ULONG WINAPI IExtractIconA_fnRelease(IExtractIconA * iface)
 405 {
 406     IExtractIconWImpl *This = impl_from_IExtractIconA(iface);
 407
 408     return IExtractIconW_Release(&This->IExtractIconW_iface);
 409 }
 410 /**************************************************************************
 411 *  IExtractIconA::GetIconLocation
 412 *
 413 * mapping filetype to icon
 414 */
 415 static HRESULT WINAPI IExtractIconA_fnGetIconLocation(IExtractIconA * iface, UINT uFlags,
 416         LPSTR szIconFile, UINT cchMax, int * piIndex, UINT * pwFlags)
 417 {
 418         IExtractIconWImpl *This = impl_from_IExtractIconA(iface);
 419         HRESULT ret;
 420         LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, cchMax * sizeof(WCHAR));
 421
 422         TRACE("(%p) (flags=%u %p %u %p %p)\n", This, uFlags, szIconFile, cchMax, piIndex, pwFlags);
 423
 424         ret = IExtractIconW_GetIconLocation(&This->IExtractIconW_iface, uFlags, lpwstrFile, cchMax,
 425                 piIndex, pwFlags);
 426         WideCharToMultiByte(CP_ACP, 0, lpwstrFile, -1, szIconFile, cchMax, NULL, NULL);
 427         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 428
 429         TRACE("-- %s %x\n", szIconFile, *piIndex);
 430         return ret;
 431 }
 432 /**************************************************************************
 433 *  IExtractIconA::Extract
 434 */
 435 static HRESULT WINAPI IExtractIconA_fnExtract(IExtractIconA * iface, LPCSTR pszFile,
 436         UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize)
 437 {
 438         IExtractIconWImpl *This = impl_from_IExtractIconA(iface);
 439         HRESULT ret;
 440         INT len = MultiByteToWideChar(CP_ACP, 0, pszFile, -1, NULL, 0);
 441         LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 442
 443         TRACE("(%p) (file=%p index=%u %p %p size=%u)\n", This, pszFile, nIconIndex, phiconLarge, phiconSmall, nIconSize);
 444
 445         MultiByteToWideChar(CP_ACP, 0, pszFile, -1, lpwstrFile, len);
 446         ret = IExtractIconW_Extract(&This->IExtractIconW_iface, lpwstrFile, nIconIndex, phiconLarge,
 447                 phiconSmall, nIconSize);
 448         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 449         return ret;
 450 }
 451
 452 static const IExtractIconAVtbl eiavt =
 453 {
 454         IExtractIconA_fnQueryInterface,
 455         IExtractIconA_fnAddRef,
 456         IExtractIconA_fnRelease,
 457         IExtractIconA_fnGetIconLocation,
 458         IExtractIconA_fnExtract
 459 };
 460
 461 /************************************************************************
 462  * IEIPersistFile::QueryInterface
 463  */
 464 static HRESULT WINAPI IEIPersistFile_fnQueryInterface(IPersistFile *iface, REFIID iid,
 465         void **ppv)
 466 {
 467     IExtractIconWImpl *This = impl_from_IPersistFile(iface);
 468
 469     return IExtractIconW_QueryInterface(&This->IExtractIconW_iface, iid, ppv);
 470 }
 471
 472 /************************************************************************
 473  * IEIPersistFile::AddRef
 474  */
 475 static ULONG WINAPI IEIPersistFile_fnAddRef(IPersistFile *iface)
 476 {
 477     IExtractIconWImpl *This = impl_from_IPersistFile(iface);
 478
 479     return IExtractIconW_AddRef(&This->IExtractIconW_iface);
 480 }
 481
 482 /************************************************************************
 483  * IEIPersistFile::Release
 484  */
 485 static ULONG WINAPI IEIPersistFile_fnRelease(IPersistFile *iface)
 486 {
 487     IExtractIconWImpl *This = impl_from_IPersistFile(iface);
 488
 489     return IExtractIconW_Release(&This->IExtractIconW_iface);
 490 }
 491
 492 /************************************************************************
 493  * IEIPersistFile::GetClassID
 494  */
 495 static HRESULT WINAPI IEIPersistFile_fnGetClassID(IPersistFile *iface, LPCLSID lpClassId)
 496 {
 497         CLSID StdFolderID = { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} };
 498
 499         if (lpClassId==NULL)
 500           return E_POINTER;
 501
 502         *lpClassId = StdFolderID;
 503
 504         return S_OK;
 505 }
 506
 507 /************************************************************************
 508  * IEIPersistFile_Load
 509  */
 510 static HRESULT WINAPI IEIPersistFile_fnLoad(IPersistFile* iface, LPCOLESTR pszFileName,
 511         DWORD dwMode)
 512 {
 513     IExtractIconWImpl *This = impl_from_IPersistFile(iface);
 514
 515     FIXME("%p\n", This);
 516     return E_NOTIMPL;
 517 }
 518
 519 static const IPersistFileVtbl pfvt =
 520 {
 521         IEIPersistFile_fnQueryInterface,
 522         IEIPersistFile_fnAddRef,
 523         IEIPersistFile_fnRelease,
 524         IEIPersistFile_fnGetClassID,
 525         (void *) 0xdeadbeef /* IEIPersistFile_fnIsDirty */,
 526         IEIPersistFile_fnLoad,
 527         (void *) 0xdeadbeef /* IEIPersistFile_fnSave */,
 528         (void *) 0xdeadbeef /* IEIPersistFile_fnSaveCompleted */,
 529         (void *) 0xdeadbeef /* IEIPersistFile_fnGetCurFile */
 530 };
 531
 532 static IExtractIconWImpl *extracticon_create(LPCITEMIDLIST pidl)
 533 {
 534     IExtractIconWImpl *ei;
 535
 536     TRACE("%p\n", pidl);
 537
 538     ei = HeapAlloc(GetProcessHeap(), 0, sizeof(*ei));
 539     ei->ref=1;
 540     ei->IExtractIconW_iface.lpVtbl = &eivt;
 541     ei->IExtractIconA_iface.lpVtbl = &eiavt;
 542     ei->IPersistFile_iface.lpVtbl = &pfvt;
 543     ei->pidl=ILClone(pidl);
 544
 545     pdump(pidl);
 546
 547     TRACE("(%p)\n", ei);
 548     return ei;
 549 }
 550
 551 IExtractIconW *IExtractIconW_Constructor(LPCITEMIDLIST pidl)
 552 {
 553     IExtractIconWImpl *ei = extracticon_create(pidl);
 554
 555     return &ei->IExtractIconW_iface;
 556 }
 557
 558 IExtractIconA *IExtractIconA_Constructor(LPCITEMIDLIST pidl)
 559 {
 560     IExtractIconWImpl *ei = extracticon_create(pidl);
 561
 562     return &ei->IExtractIconA_iface;
 563 }