dlls/shell32/classes.c

   1 /*
   2  *      file type mapping
   3  *      (HKEY_CLASSES_ROOT - Stuff)
   4  *
   5  * Copyright 1998, 1999, 2000 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <stdio.h>
  25 #include "wine/debug.h"
  26 #include "winerror.h"
  27 #include "winreg.h"
  28
  29 #include "shlobj.h"
  30 #include "shell32_main.h"
  31 #include "shlguid.h"
  32 #include "shresdef.h"
  33 #include "wine/obj_queryassociations.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  36
  37 #define MAX_EXTENSION_LENGTH 20
  38
  39 BOOL HCR_MapTypeToValue ( LPCSTR szExtension, LPSTR szFileType, DWORD len, BOOL bPrependDot)
  40 {       HKEY    hkey;
  41         char    szTemp[MAX_EXTENSION_LENGTH + 2];
  42
  43         TRACE("%s %p\n",szExtension, szFileType );
  44
  45     /* added because we do not want to have double dots */
  46     if (szExtension[0]=='.')
  47         bPrependDot=0;
  48
  49         if (bPrependDot)
  50           strcpy(szTemp, ".");
  51
  52         lstrcpynA(szTemp+((bPrependDot)?1:0), szExtension, MAX_EXTENSION_LENGTH);
  53
  54         if (RegOpenKeyExA(HKEY_CLASSES_ROOT,szTemp,0,0x02000000,&hkey))
  55         { return FALSE;
  56         }
  57
  58         if (RegQueryValueA(hkey,NULL,szFileType,&len))
  59         { RegCloseKey(hkey);
  60           return FALSE;
  61         }
  62
  63         RegCloseKey(hkey);
  64
  65         TRACE("-- %s\n", szFileType );
  66
  67         return TRUE;
  68 }
  69 BOOL HCR_GetExecuteCommand ( LPCSTR szClass, LPCSTR szVerb, LPSTR szDest, DWORD len )
  70 {
  71         HKEY    hkey;
  72         char    sTemp[MAX_PATH];
  73         DWORD   dwType;
  74         BOOL    ret = FALSE;
  75
  76         TRACE("%s %s\n",szClass, szVerb );
  77
  78         sprintf(sTemp, "%s\\shell\\%s\\command",szClass, szVerb);
  79
  80         if (!RegOpenKeyExA(HKEY_CLASSES_ROOT,sTemp,0,0x02000000,&hkey))
  81         {
  82           if (!RegQueryValueExA(hkey, NULL, 0, &dwType, szDest, &len))
  83           {
  84             if (dwType == REG_EXPAND_SZ)
  85             {
  86               ExpandEnvironmentStringsA(szDest, sTemp, MAX_PATH);
  87               strcpy(szDest, sTemp);
  88             }
  89             ret = TRUE;
  90           }
  91           RegCloseKey(hkey);
  92         }
  93         TRACE("-- %s\n", szDest );
  94         return ret;
  95 }
  96 /***************************************************************************************
  97 *       HCR_GetDefaultIcon      [internal]
  98 *
  99 * Gets the icon for a filetype
 100 */
 101 BOOL HCR_GetDefaultIcon (LPCSTR szClass, LPSTR szDest, DWORD len, LPDWORD dwNr)
 102 {
 103         HKEY    hkey;
 104         char    sTemp[MAX_PATH];
 105         char    sNum[5];
 106         DWORD   dwType;
 107         BOOL    ret = FALSE;
 108
 109         TRACE("%s\n",szClass );
 110
 111         sprintf(sTemp, "%s\\DefaultIcon",szClass);
 112
 113         if (!RegOpenKeyExA(HKEY_CLASSES_ROOT,sTemp,0,0x02000000,&hkey))
 114         {
 115           if (!RegQueryValueExA(hkey, NULL, 0, &dwType, szDest, &len))
 116           {
 117             if (dwType == REG_EXPAND_SZ)
 118             {
 119               ExpandEnvironmentStringsA(szDest, sTemp, MAX_PATH);
 120               strcpy(szDest, sTemp);
 121             }
 122             if (ParseFieldA (szDest, 2, sNum, 5))
 123                *dwNr=atoi(sNum);
 124             else
 125                *dwNr=0; /* sometimes the icon number is missing */
 126             ParseFieldA (szDest, 1, szDest, len);
 127             ret = TRUE;
 128           }
 129           RegCloseKey(hkey);
 130         }
 131         TRACE("-- %s %li\n", szDest, *dwNr );
 132         return ret;
 133 }
 134
 135 /***************************************************************************************
 136 *       HCR_GetClassName        [internal]
 137 *
 138 * Gets the name of a registred class
 139 */
 140 BOOL HCR_GetClassName (REFIID riid, LPSTR szDest, DWORD len)
 141 {       HKEY    hkey;
 142         char    xriid[50];
 143         BOOL ret = FALSE;
 144         DWORD buflen = len;
 145
 146         sprintf( xriid, "CLSID\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
 147                  riid->Data1, riid->Data2, riid->Data3,
 148                  riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
 149                  riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7] );
 150
 151         TRACE("%s\n",xriid );
 152
 153         szDest[0] = 0;
 154         if (!RegOpenKeyExA(HKEY_CLASSES_ROOT,xriid,0,KEY_READ,&hkey))
 155         {
 156           if (!RegQueryValueExA(hkey,"",0,NULL,szDest,&len))
 157           {
 158             ret = TRUE;
 159           }
 160           RegCloseKey(hkey);
 161         }
 162
 163         if (!ret || !szDest[0])
 164         {
 165           if(IsEqualIID(riid, &CLSID_ShellDesktop))
 166           {
 167             if (LoadStringA(shell32_hInstance, IDS_DESKTOP, szDest, buflen))
 168               ret = TRUE;
 169           }
 170           else if (IsEqualIID(riid, &CLSID_MyComputer))
 171           {
 172             if(LoadStringA(shell32_hInstance, IDS_MYCOMPUTER, szDest, buflen))
 173               ret = TRUE;
 174           }
 175         }
 176
 177         TRACE("-- %s\n", szDest);
 178
 179         return ret;
 180 }
 181
 182 /***************************************************************************************
 183 *       HCR_GetFolderAttributes [internal]
 184 *
 185 * gets the folder attributes of a class
 186 *
 187 * FIXME
 188 *       verify the defaultvalue for *szDest
 189 */
 190 BOOL HCR_GetFolderAttributes (REFIID riid, LPDWORD szDest)
 191 {       HKEY    hkey;
 192         char    xriid[60];
 193         DWORD   attributes;
 194         DWORD   len = 4;
 195
 196         sprintf( xriid, "CLSID\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
 197                  riid->Data1, riid->Data2, riid->Data3,
 198                  riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
 199                  riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7] );
 200         TRACE("%s\n",xriid );
 201
 202         if (!szDest) return FALSE;
 203         *szDest = SFGAO_FOLDER|SFGAO_FILESYSTEM;
 204
 205         strcat (xriid, "\\ShellFolder");
 206
 207         if (RegOpenKeyExA(HKEY_CLASSES_ROOT,xriid,0,KEY_READ,&hkey))
 208         {
 209           return FALSE;
 210         }
 211
 212         if (RegQueryValueExA(hkey,"Attributes",0,NULL,(LPBYTE)&attributes,&len))
 213         {
 214           RegCloseKey(hkey);
 215           return FALSE;
 216         }
 217
 218         RegCloseKey(hkey);
 219
 220         TRACE("-- 0x%08lx\n", attributes);
 221
 222         *szDest = attributes;
 223
 224         return TRUE;
 225 }
 226
 227 typedef struct
 228 {       ICOM_VFIELD(IQueryAssociations);
 229         DWORD   ref;
 230 } IQueryAssociationsImpl;
 231
 232 static struct ICOM_VTABLE(IQueryAssociations) qavt;
 233
 234 /**************************************************************************
 235 *  IQueryAssociations_Constructor
 236 */
 237 IQueryAssociations* IQueryAssociations_Constructor(void)
 238 {
 239         IQueryAssociationsImpl* ei;
 240
 241         ei=(IQueryAssociationsImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IQueryAssociationsImpl));
 242         ei->ref=1;
 243         ICOM_VTBL(ei) = &qavt;
 244
 245         TRACE("(%p)\n",ei);
 246         shell32_ObjCount++;
 247         return (IQueryAssociations *)ei;
 248 }
 249 /**************************************************************************
 250  *  IQueryAssociations_QueryInterface
 251  */
 252 static HRESULT WINAPI IQueryAssociations_fnQueryInterface(
 253         IQueryAssociations * iface,
 254         REFIID riid,
 255         LPVOID *ppvObj)
 256 {
 257         ICOM_THIS(IQueryAssociationsImpl,iface);
 258
 259          TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,debugstr_guid(riid),ppvObj);
 260
 261         *ppvObj = NULL;
 262
 263         if(IsEqualIID(riid, &IID_IUnknown))             /*IUnknown*/
 264         {
 265           *ppvObj = This;
 266         }
 267         else if(IsEqualIID(riid, &IID_IQueryAssociations))      /*IExtractIcon*/
 268         {
 269           *ppvObj = (IQueryAssociations*)This;
 270         }
 271
 272         if(*ppvObj)
 273         {
 274           IQueryAssociations_AddRef((IQueryAssociations*) *ppvObj);
 275           TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
 276           return S_OK;
 277         }
 278         TRACE("-- Interface: E_NOINTERFACE\n");
 279         return E_NOINTERFACE;
 280 }
 281
 282 /**************************************************************************
 283 *  IQueryAssociations_AddRef
 284 */
 285 static ULONG WINAPI IQueryAssociations_fnAddRef(IQueryAssociations * iface)
 286 {
 287         ICOM_THIS(IQueryAssociationsImpl,iface);
 288
 289         TRACE("(%p)->(count=%lu)\n",This, This->ref );
 290
 291         shell32_ObjCount++;
 292
 293         return ++(This->ref);
 294 }
 295 /**************************************************************************
 296 *  IQueryAssociations_Release
 297 */
 298 static ULONG WINAPI IQueryAssociations_fnRelease(IQueryAssociations * iface)
 299 {
 300         ICOM_THIS(IQueryAssociationsImpl,iface);
 301
 302         TRACE("(%p)->()\n",This);
 303
 304         shell32_ObjCount--;
 305
 306         if (!--(This->ref))
 307         {
 308           TRACE(" destroying IExtractIcon(%p)\n",This);
 309           HeapFree(GetProcessHeap(),0,This);
 310           return 0;
 311         }
 312         return This->ref;
 313 }
 314
 315 static HRESULT WINAPI IQueryAssociations_fnInit(
 316         IQueryAssociations * iface,
 317         ASSOCF flags,
 318         LPCWSTR pszAssoc,
 319         HKEY hkProgid,
 320         HWND hwnd)
 321 {
 322         return E_NOTIMPL;
 323 }
 324
 325 static HRESULT WINAPI IQueryAssociations_fnGetString(
 326         IQueryAssociations * iface,
 327         ASSOCF flags,
 328         ASSOCSTR str,
 329         LPCWSTR pszExtra,
 330         LPWSTR pszOut,
 331         DWORD *pcchOut)
 332 {
 333         return E_NOTIMPL;
 334 }
 335
 336 static HRESULT WINAPI IQueryAssociations_fnGetKey(
 337         IQueryAssociations * iface,
 338         ASSOCF flags,
 339         ASSOCKEY key,
 340         LPCWSTR pszExtra,
 341         HKEY *phkeyOut)
 342 {
 343         return E_NOTIMPL;
 344 }
 345
 346 static HRESULT WINAPI IQueryAssociations_fnGetData(
 347         IQueryAssociations * iface,
 348         ASSOCF flags,
 349         ASSOCDATA data,
 350         LPCWSTR pszExtra,
 351         LPVOID pvOut,
 352         DWORD *pcbOut)
 353 {
 354         return E_NOTIMPL;
 355 }
 356 static HRESULT WINAPI IQueryAssociations_fnGetEnum(
 357         IQueryAssociations * iface,
 358         ASSOCF flags,
 359         ASSOCENUM assocenum,
 360         LPCWSTR pszExtra,
 361         REFIID riid,
 362         LPVOID *ppvOut)
 363 {
 364         return E_NOTIMPL;
 365 }
 366
 367 static struct ICOM_VTABLE(IQueryAssociations) qavt =
 368 {
 369         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 370         IQueryAssociations_fnQueryInterface,
 371         IQueryAssociations_fnAddRef,
 372         IQueryAssociations_fnRelease,
 373         IQueryAssociations_fnInit,
 374         IQueryAssociations_fnGetString,
 375         IQueryAssociations_fnGetKey,
 376         IQueryAssociations_fnGetData,
 377         IQueryAssociations_fnGetEnum
 378 };