Switch back to using IPicture to load images. LoadImage did the
[wine] / 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 #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 #include "winreg.h"
37
38 #include "wine/debug.h"
39
40 #include "pidl.h"
41 #include "shell32_main.h"
42 #include "shfldr.h"
43 #include "shresdef.h"
44
45 WINE_DEFAULT_DEBUG_CHANNEL(shell);
46
47 /***********************************************************************
48 *   IExtractIconW implementation
49 */
50 typedef struct
51 {
52         const IExtractIconWVtbl *lpVtbl;
53         LONG               ref;
54         const IPersistFileVtbl  *lpvtblPersistFile;
55         const IExtractIconAVtbl *lpvtblExtractIconA;
56         LPITEMIDLIST       pidl;
57 } IExtractIconWImpl;
58
59 static const IExtractIconAVtbl eiavt;
60 static const IExtractIconWVtbl eivt;
61 static const IPersistFileVtbl pfvt;
62
63 static inline IExtractIconW *impl_from_IPersistFile( IPersistFile *iface )
64 {
65     return (IExtractIconW *)((char*)iface - FIELD_OFFSET(IExtractIconWImpl, lpvtblPersistFile));
66 }
67
68 static inline IExtractIconW *impl_from_IExtractIconA( IExtractIconA *iface )
69 {
70     return (IExtractIconW *)((char*)iface - FIELD_OFFSET(IExtractIconWImpl, lpvtblExtractIconA));
71 }
72
73
74 /**************************************************************************
75 *  IExtractIconW_Constructor
76 */
77 IExtractIconW* IExtractIconW_Constructor(LPCITEMIDLIST pidl)
78 {
79         IExtractIconWImpl* ei;
80         
81         TRACE("%p\n", pidl);
82
83         ei = HeapAlloc(GetProcessHeap(),0,sizeof(IExtractIconWImpl));
84         ei->ref=1;
85         ei->lpVtbl = &eivt;
86         ei->lpvtblPersistFile = &pfvt;
87         ei->lpvtblExtractIconA = &eiavt;
88         ei->pidl=ILClone(pidl);
89
90         pdump(pidl);
91
92         TRACE("(%p)\n", ei);
93         return (IExtractIconW *)ei;
94 }
95 /**************************************************************************
96  *  IExtractIconW_QueryInterface
97  */
98 static HRESULT WINAPI IExtractIconW_fnQueryInterface(IExtractIconW *iface, REFIID riid, LPVOID *ppvObj)
99 {
100         IExtractIconWImpl *This = (IExtractIconWImpl *)iface;
101
102         TRACE("(%p)->(\n\tIID:\t%s,%p)\n", This, debugstr_guid(riid), ppvObj);
103
104         *ppvObj = NULL;
105
106         if (IsEqualIID(riid, &IID_IUnknown))                            /*IUnknown*/
107         {
108           *ppvObj = This;
109         }
110         else if (IsEqualIID(riid, &IID_IPersistFile))   /*IExtractIcon*/
111         {
112           *ppvObj = (IPersistFile*)&(This->lpvtblPersistFile);
113         }
114         else if (IsEqualIID(riid, &IID_IExtractIconA))  /*IExtractIcon*/
115         {
116           *ppvObj = (IExtractIconA*)&(This->lpvtblExtractIconA);
117         }
118         else if (IsEqualIID(riid, &IID_IExtractIconW))  /*IExtractIcon*/
119         {
120           *ppvObj = (IExtractIconW*)This;
121         }
122
123         if(*ppvObj)
124         {
125           IExtractIconW_AddRef((IExtractIconW*) *ppvObj);
126           TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
127           return S_OK;
128         }
129         TRACE("-- Interface: E_NOINTERFACE\n");
130         return E_NOINTERFACE;
131 }
132
133 /**************************************************************************
134 *  IExtractIconW_AddRef
135 */
136 static ULONG WINAPI IExtractIconW_fnAddRef(IExtractIconW * iface)
137 {
138         IExtractIconWImpl *This = (IExtractIconWImpl *)iface;
139         ULONG refCount = InterlockedIncrement(&This->ref);
140
141         TRACE("(%p)->(count=%lu)\n", This, refCount - 1);
142
143         return refCount;
144 }
145 /**************************************************************************
146 *  IExtractIconW_Release
147 */
148 static ULONG WINAPI IExtractIconW_fnRelease(IExtractIconW * iface)
149 {
150         IExtractIconWImpl *This = (IExtractIconWImpl *)iface;
151         ULONG refCount = InterlockedDecrement(&This->ref);
152
153         TRACE("(%p)->(count=%lu)\n", This, refCount + 1);
154
155         if (!refCount)
156         {
157           TRACE(" destroying IExtractIcon(%p)\n",This);
158           SHFree(This->pidl);
159           HeapFree(GetProcessHeap(),0,This);
160           return 0;
161         }
162         return refCount;
163 }
164
165 static HRESULT getIconLocationForFolder(IExtractIconW *iface, UINT uFlags,
166  LPWSTR szIconFile, UINT cchMax, int *piIndex, UINT *pwFlags)
167 {
168     IExtractIconWImpl *This = (IExtractIconWImpl *)iface;
169     DWORD dwNr;
170     WCHAR wszPath[MAX_PATH];
171     WCHAR wszCLSIDValue[CHARS_IN_GUID];
172     static const WCHAR shellClassInfo[] = { '.','S','h','e','l','l','C','l','a','s','s','I','n','f','o',0 };
173     static const WCHAR iconFile[] = { 'I','c','o','n','F','i','l','e',0 };
174     static const WCHAR clsid[] = { 'C','L','S','I','D',0 };
175     static const WCHAR clsid2[] = { 'C','L','S','I','D','2',0 };
176     static const WCHAR iconIndex[] = { 'I','c','o','n','I','n','d','e','x',0 };
177
178     if (SHELL32_GetCustomFolderAttribute(This->pidl, shellClassInfo, iconFile,
179         wszPath, MAX_PATH))
180     {
181         WCHAR wszIconIndex[10];
182         SHELL32_GetCustomFolderAttribute(This->pidl, shellClassInfo, iconIndex,
183             wszIconIndex, 10);
184         *piIndex = atoiW(wszIconIndex);
185     }
186     else if (SHELL32_GetCustomFolderAttribute(This->pidl, shellClassInfo, clsid,
187         wszCLSIDValue, CHARS_IN_GUID) &&
188         HCR_GetDefaultIconW(wszCLSIDValue, szIconFile, cchMax, &dwNr))
189     {
190        *piIndex = dwNr;
191     }
192     else if (SHELL32_GetCustomFolderAttribute(This->pidl, shellClassInfo, clsid2,
193         wszCLSIDValue, CHARS_IN_GUID) &&
194         HCR_GetDefaultIconW(wszCLSIDValue, szIconFile, cchMax, &dwNr))
195     {
196        *piIndex = dwNr;
197     }
198     else
199     {
200         static const WCHAR folder[] = { 'F','o','l','d','e','r',0 };
201
202         if (!HCR_GetDefaultIconW(folder, szIconFile, cchMax, &dwNr))
203         {
204             lstrcpynW(szIconFile, swShell32Name, cchMax);
205             dwNr = IDI_SHELL_FOLDER;
206         }
207         *piIndex = -((uFlags & GIL_OPENICON) ? dwNr + 1 : dwNr);
208     }
209     return S_OK;
210 }
211
212 WCHAR swShell32Name[MAX_PATH];
213
214 /**************************************************************************
215 *  IExtractIconW_GetIconLocation
216 *
217 * mapping filetype to icon
218 */
219 static HRESULT WINAPI IExtractIconW_fnGetIconLocation(
220         IExtractIconW * iface,
221         UINT uFlags,            /* GIL_ flags */
222         LPWSTR szIconFile,
223         UINT cchMax,
224         int * piIndex,
225         UINT * pwFlags)         /* returned GIL_ flags */
226 {
227         IExtractIconWImpl *This = (IExtractIconWImpl *)iface;
228
229         char    sTemp[MAX_PATH];
230         DWORD   dwNr;
231         GUID const * riid;
232         LPITEMIDLIST    pSimplePidl = ILFindLastID(This->pidl);
233
234         TRACE("(%p) (flags=%u %p %u %p %p)\n", This, uFlags, szIconFile, cchMax, piIndex, pwFlags);
235
236         if (pwFlags)
237           *pwFlags = 0;
238
239         if (_ILIsDesktop(pSimplePidl))
240         {
241           lstrcpynW(szIconFile, swShell32Name, cchMax);
242           *piIndex = -IDI_SHELL_DESKTOP;
243         }
244
245         /* my computer and other shell extensions */
246         else if ((riid = _ILGetGUIDPointer(pSimplePidl)))
247         {
248           static const WCHAR fmt[] = { 'C','L','S','I','D','\\',
249        '{','%','0','8','l','x','-','%','0','4','x','-','%','0','4','x','-',
250        '%','0','2','x','%','0','2','x','-','%','0','2','x', '%','0','2','x',
251        '%','0','2','x','%','0','2','x','%','0','2','x','%','0','2','x','}',0 };
252           WCHAR xriid[50];
253
254           sprintfW(xriid, fmt,
255                   riid->Data1, riid->Data2, riid->Data3,
256                   riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
257                   riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]);
258
259           if (HCR_GetDefaultIconW(xriid, szIconFile, cchMax, &dwNr))
260           {
261             *piIndex = dwNr;
262           }
263           else
264           {
265             lstrcpynW(szIconFile, swShell32Name, cchMax);
266             if(IsEqualGUID(riid, &CLSID_MyComputer))
267                 *piIndex = -IDI_SHELL_MY_COMPUTER;
268             else if(IsEqualGUID(riid, &CLSID_MyDocuments))
269                 *piIndex = -IDI_SHELL_MY_DOCUMENTS;
270             else if(IsEqualGUID(riid, &CLSID_NetworkPlaces))
271                 *piIndex = -IDI_SHELL_MY_NETWORK_PLACES;
272             else if(IsEqualGUID(riid, &CLSID_UnixFolder) ||
273                     IsEqualGUID(riid, &CLSID_UnixDosFolder))
274                 *piIndex = -IDI_SHELL_DRIVE;
275             else
276                 *piIndex = -IDI_SHELL_FOLDER;
277           }
278         }
279
280         else if (_ILIsDrive (pSimplePidl))
281         {
282           static const WCHAR drive[] = { 'D','r','i','v','e',0 };
283
284           int icon_idx = -1;
285
286           if (_ILGetDrive(pSimplePidl, sTemp, MAX_PATH))
287           {
288                 switch(GetDriveTypeA(sTemp))
289                 {
290                   case DRIVE_REMOVABLE:   icon_idx = IDI_SHELL_FLOPPY;        break;
291                   case DRIVE_CDROM:       icon_idx = IDI_SHELL_CDROM;         break;
292                   case DRIVE_REMOTE:      icon_idx = IDI_SHELL_NETDRIVE;      break;
293                   case DRIVE_RAMDISK:     icon_idx = IDI_SHELL_RAMDISK;       break;
294                 }
295           }
296
297           if (icon_idx != -1)
298           {
299                 lstrcpynW(szIconFile, swShell32Name, cchMax);
300                 *piIndex = -icon_idx;
301           }
302           else
303           {
304                 if (HCR_GetDefaultIconW(drive, szIconFile, cchMax, &dwNr))
305                 {
306                   *piIndex = dwNr;
307                 }
308                 else
309                 {
310                   lstrcpynW(szIconFile, swShell32Name, cchMax);
311                   *piIndex = -IDI_SHELL_DRIVE;
312                 }
313           }
314         }
315         else if (_ILIsFolder (pSimplePidl))
316         {
317             getIconLocationForFolder(iface, uFlags, szIconFile, cchMax, piIndex,
318                                      pwFlags);
319         }
320         else
321         {
322           BOOL found = FALSE;
323
324           if (_ILIsCPanelStruct(pSimplePidl))
325           {
326             if (SUCCEEDED(CPanel_GetIconLocationW(pSimplePidl, szIconFile, cchMax, piIndex)))
327                 found = TRUE;
328           }
329           else if (_ILGetExtension(pSimplePidl, sTemp, MAX_PATH))
330           {
331             if (HCR_MapTypeToValueA(sTemp, sTemp, MAX_PATH, TRUE)
332                 && HCR_GetDefaultIconA(sTemp, sTemp, MAX_PATH, &dwNr))
333             {
334               if (!lstrcmpA("%1", sTemp))               /* icon is in the file */
335               {
336                 SHGetPathFromIDListW(This->pidl, szIconFile);
337                 *piIndex = 0;
338               }
339               else
340               {
341                 MultiByteToWideChar(CP_ACP, 0, sTemp, -1, szIconFile, cchMax);
342                 *piIndex = dwNr;
343               }
344
345               found = TRUE;
346             }
347             else if (!lstrcmpiA(sTemp, "lnkfile"))
348             {
349               /* extract icon from shell shortcut */
350               IShellFolder* dsf;
351               IShellLinkW* psl;
352
353               if (SUCCEEDED(SHGetDesktopFolder(&dsf)))
354               {
355                 HRESULT hr = IShellFolder_GetUIObjectOf(dsf, NULL, 1, (LPCITEMIDLIST*)&This->pidl, &IID_IShellLinkW, NULL, (LPVOID*)&psl);
356
357                 if (SUCCEEDED(hr))
358                 {
359                   hr = IShellLinkW_GetIconLocation(psl, szIconFile, MAX_PATH, piIndex);
360
361                   if (SUCCEEDED(hr) && *szIconFile)
362                     found = TRUE;
363
364                   IShellLinkW_Release(psl);
365                 }
366
367                 IShellFolder_Release(dsf);
368               }
369             }
370           }
371
372           if (!found)                                   /* default icon */
373           {
374             lstrcpynW(szIconFile, swShell32Name, cchMax);
375             *piIndex = 0;
376           }
377         }
378
379         TRACE("-- %s %x\n", debugstr_w(szIconFile), *piIndex);
380         return NOERROR;
381 }
382
383 /**************************************************************************
384 *  IExtractIconW_Extract
385 */
386 static HRESULT WINAPI IExtractIconW_fnExtract(IExtractIconW * iface, LPCWSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize)
387 {
388         IExtractIconWImpl *This = (IExtractIconWImpl *)iface;
389         int index;
390
391         FIXME("(%p) (file=%p index=%d %p %p size=%08x) semi-stub\n", This, debugstr_w(pszFile), (signed)nIconIndex,
392               phiconLarge, phiconSmall, nIconSize);
393
394         index = SIC_GetIconIndex(pszFile, nIconIndex, 0);
395
396         if (phiconLarge)
397           *phiconLarge = ImageList_GetIcon(ShellBigIconList, index, ILD_TRANSPARENT);
398
399         if (phiconSmall)
400           *phiconSmall = ImageList_GetIcon(ShellSmallIconList, index, ILD_TRANSPARENT);
401
402         return S_OK;
403 }
404
405 static const IExtractIconWVtbl eivt =
406 {
407         IExtractIconW_fnQueryInterface,
408         IExtractIconW_fnAddRef,
409         IExtractIconW_fnRelease,
410         IExtractIconW_fnGetIconLocation,
411         IExtractIconW_fnExtract
412 };
413
414 /**************************************************************************
415 *  IExtractIconA_Constructor
416 */
417 IExtractIconA* IExtractIconA_Constructor(LPCITEMIDLIST pidl)
418 {
419         IExtractIconWImpl *This = (IExtractIconWImpl *)IExtractIconW_Constructor(pidl);
420         IExtractIconA *eia = (IExtractIconA *)&This->lpvtblExtractIconA;
421         
422         TRACE("(%p)->(%p)\n", This, eia);
423         return eia;
424 }
425 /**************************************************************************
426  *  IExtractIconA_QueryInterface
427  */
428 static HRESULT WINAPI IExtractIconA_fnQueryInterface(IExtractIconA * iface, REFIID riid, LPVOID *ppvObj)
429 {
430         IExtractIconW *This = impl_from_IExtractIconA(iface);
431
432         return IExtractIconW_QueryInterface(This, riid, ppvObj);
433 }
434
435 /**************************************************************************
436 *  IExtractIconA_AddRef
437 */
438 static ULONG WINAPI IExtractIconA_fnAddRef(IExtractIconA * iface)
439 {
440         IExtractIconW *This = impl_from_IExtractIconA(iface);
441
442         return IExtractIconW_AddRef(This);
443 }
444 /**************************************************************************
445 *  IExtractIconA_Release
446 */
447 static ULONG WINAPI IExtractIconA_fnRelease(IExtractIconA * iface)
448 {
449         IExtractIconW *This = impl_from_IExtractIconA(iface);
450
451         return IExtractIconW_AddRef(This);
452 }
453 /**************************************************************************
454 *  IExtractIconA_GetIconLocation
455 *
456 * mapping filetype to icon
457 */
458 static HRESULT WINAPI IExtractIconA_fnGetIconLocation(
459         IExtractIconA * iface,
460         UINT uFlags,
461         LPSTR szIconFile,
462         UINT cchMax,
463         int * piIndex,
464         UINT * pwFlags)
465 {
466         HRESULT ret;
467         LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, cchMax * sizeof(WCHAR));
468         IExtractIconW *This = impl_from_IExtractIconA(iface);
469         
470         TRACE("(%p) (flags=%u %p %u %p %p)\n", This, uFlags, szIconFile, cchMax, piIndex, pwFlags);
471
472         ret = IExtractIconW_GetIconLocation(This, uFlags, lpwstrFile, cchMax, piIndex, pwFlags);
473         WideCharToMultiByte(CP_ACP, 0, lpwstrFile, -1, szIconFile, cchMax, NULL, NULL);
474         HeapFree(GetProcessHeap(), 0, lpwstrFile);
475
476         TRACE("-- %s %x\n", szIconFile, *piIndex);
477         return ret;
478 }
479 /**************************************************************************
480 *  IExtractIconA_Extract
481 */
482 static HRESULT WINAPI IExtractIconA_fnExtract(IExtractIconA * iface, LPCSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize)
483 {
484         HRESULT ret;
485         INT len = MultiByteToWideChar(CP_ACP, 0, pszFile, -1, NULL, 0);
486         LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
487         IExtractIconW *This = impl_from_IExtractIconA(iface);
488
489         TRACE("(%p) (file=%p index=%u %p %p size=%u)\n", This, pszFile, nIconIndex, phiconLarge, phiconSmall, nIconSize);
490
491         MultiByteToWideChar(CP_ACP, 0, pszFile, -1, lpwstrFile, len);
492         ret = IExtractIconW_Extract(This, lpwstrFile, nIconIndex, phiconLarge, phiconSmall, nIconSize);
493         HeapFree(GetProcessHeap(), 0, lpwstrFile);
494         return ret;
495 }
496
497 static const IExtractIconAVtbl eiavt =
498 {
499         IExtractIconA_fnQueryInterface,
500         IExtractIconA_fnAddRef,
501         IExtractIconA_fnRelease,
502         IExtractIconA_fnGetIconLocation,
503         IExtractIconA_fnExtract
504 };
505
506 /************************************************************************
507  * IEIPersistFile_QueryInterface (IUnknown)
508  */
509 static HRESULT WINAPI IEIPersistFile_fnQueryInterface(
510         IPersistFile    *iface,
511         REFIID          iid,
512         LPVOID          *ppvObj)
513 {
514         IExtractIconW *This = impl_from_IPersistFile(iface);
515
516         return IExtractIconW_QueryInterface(This, iid, ppvObj);
517 }
518
519 /************************************************************************
520  * IEIPersistFile_AddRef (IUnknown)
521  */
522 static ULONG WINAPI IEIPersistFile_fnAddRef(
523         IPersistFile    *iface)
524 {
525         IExtractIconW *This = impl_from_IPersistFile(iface);
526
527         return IExtractIconW_AddRef(This);
528 }
529
530 /************************************************************************
531  * IEIPersistFile_Release (IUnknown)
532  */
533 static ULONG WINAPI IEIPersistFile_fnRelease(
534         IPersistFile    *iface)
535 {
536         IExtractIconW *This = impl_from_IPersistFile(iface);
537
538         return IExtractIconW_Release(This);
539 }
540
541 /************************************************************************
542  * IEIPersistFile_GetClassID (IPersist)
543  */
544 static HRESULT WINAPI IEIPersistFile_fnGetClassID(
545         IPersistFile    *iface,
546         LPCLSID         lpClassId)
547 {
548         CLSID StdFolderID = { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} };
549
550         if (lpClassId==NULL)
551           return E_POINTER;
552
553         memcpy(lpClassId, &StdFolderID, sizeof(StdFolderID));
554
555         return S_OK;
556 }
557
558 /************************************************************************
559  * IEIPersistFile_Load (IPersistFile)
560  */
561 static HRESULT WINAPI IEIPersistFile_fnLoad(IPersistFile* iface, LPCOLESTR pszFileName, DWORD dwMode)
562 {
563         IExtractIconW *This = impl_from_IPersistFile(iface);
564         FIXME("%p\n", This);
565         return E_NOTIMPL;
566
567 }
568
569 static const IPersistFileVtbl pfvt =
570 {
571         IEIPersistFile_fnQueryInterface,
572         IEIPersistFile_fnAddRef,
573         IEIPersistFile_fnRelease,
574         IEIPersistFile_fnGetClassID,
575         (void *) 0xdeadbeef /* IEIPersistFile_fnIsDirty */,
576         IEIPersistFile_fnLoad,
577         (void *) 0xdeadbeef /* IEIPersistFile_fnSave */,
578         (void *) 0xdeadbeef /* IEIPersistFile_fnSaveCompleted */,
579         (void *) 0xdeadbeef /* IEIPersistFile_fnGetCurFile */
580 };