git.oblomov.eu Git - wine/blob - dlls/shell32/shellole.c

   1 /*
   2  *      Shell Folder stuff (...and all the OLE-Objects of SHELL32.DLL)
   3  *
   4  *      Copyright 1997  Marcus Meissner
   5  *      Copyright 1998  Juergen Schmied  <juergen.schmied@metronet.de>
   6  *
   7  */
   8
   9 #include <ctype.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include "ole.h"
  13 #include "ole2.h"
  14 #include "debug.h"
  15 #include "compobj.h"
  16 #include "interfaces.h"
  17 #include "shlobj.h"
  18 #include "shell.h"
  19 #include "winerror.h"
  20 #include "winnls.h"
  21 #include "winproc.h"
  22 #include "commctrl.h"
  23
  24 #include "shell32_main.h"
  25
  26 /*************************************************************************
  27  *
  28  */
  29 typedef DWORD (* WINAPI GetClassPtr)(REFCLSID,REFIID,LPVOID);
  30
  31 static GetClassPtr SH_find_moduleproc(LPSTR dllname,HMODULE32 *xhmod,LPSTR name)
  32 {       HMODULE32 hmod;
  33         FARPROC32 dllunload,nameproc;
  34
  35         TRACE(shell,"dll=%s, hmodule=%p, name=%s\n",dllname, xhmod, name);
  36         if (xhmod)
  37         { *xhmod = 0;
  38         }
  39         if (!strcasecmp(PathFindFilename(dllname),"shell32.dll"))
  40         { return (GetClassPtr)SHELL32_DllGetClassObject;
  41         }
  42
  43         hmod = LoadLibraryEx32A(dllname,0,LOAD_WITH_ALTERED_SEARCH_PATH);
  44         if (!hmod)
  45         { return NULL;
  46         }
  47         dllunload = GetProcAddress32(hmod,"DllCanUnloadNow");
  48         if (!dllunload)
  49         { if (xhmod)
  50           { *xhmod = hmod;
  51           }
  52         }
  53         nameproc = GetProcAddress32(hmod,name);
  54         if (!nameproc)
  55         { FreeLibrary32(hmod);
  56           return NULL;
  57         }
  58         /* register unloadable dll with unloadproc ... */
  59         return (GetClassPtr)nameproc;
  60 }
  61 /*************************************************************************
  62  *
  63  */
  64 static DWORD SH_get_instance(REFCLSID clsid,LPSTR dllname,LPVOID unknownouter,REFIID refiid,LPVOID inst)
  65 {       GetClassPtr     dllgetclassob;
  66         DWORD           hres;
  67         LPCLASSFACTORY  classfac;
  68
  69         char    xclsid[50],xrefiid[50];
  70         WINE_StringFromCLSID((LPCLSID)clsid,xclsid);
  71         WINE_StringFromCLSID((LPCLSID)refiid,xrefiid);
  72         TRACE(shell,"\n\tCLSID:%s,%s,%p,\n\tIID:%s,%p\n",xclsid, dllname,unknownouter,xrefiid,inst);
  73
  74         dllgetclassob = SH_find_moduleproc(dllname,NULL,"DllGetClassObject");
  75         if (!dllgetclassob)
  76         { return 0x80070000|GetLastError();
  77         }
  78
  79         hres = (*dllgetclassob)(clsid,(REFIID)&IID_IClassFactory,&classfac);
  80         if (hres<0 || (hres>=0x80000000))
  81         { return hres;
  82         }
  83         if (!classfac)
  84         { FIXME(shell,"no classfactory, but hres is 0x%ld!\n",hres);
  85           return E_FAIL;
  86         }
  87         classfac->lpvtbl->fnCreateInstance(classfac,unknownouter,refiid,inst);
  88         classfac->lpvtbl->fnRelease(classfac);
  89         return 0;
  90 }
  91
  92 /*************************************************************************
  93  * SHCoCreateInstance [SHELL32.102]
  94  *
  95  * NOTES
  96  *     exported by ordinal
  97  */
  98 LRESULT WINAPI SHCoCreateInstance(LPSTR aclsid,CLSID *clsid,LPUNKNOWN unknownouter,REFIID refiid,LPVOID inst)
  99 {       char    buffer[256],xclsid[48],xiid[48],path[260],tmodel[100];
 100         HKEY    inprockey;
 101         DWORD   pathlen,type,tmodellen;
 102         DWORD   hres;
 103
 104         WINE_StringFromCLSID(refiid,xiid);
 105
 106         if (clsid)
 107         { WINE_StringFromCLSID(clsid,xclsid);
 108         }
 109         else
 110         { if (!aclsid)
 111           {     return 0x80040154;
 112           }
 113           strcpy(xclsid,aclsid);
 114         }
 115         TRACE(shell,"(%p,\n\tSID:\t%s,%p,\n\tIID:\t%s,%p)\n",aclsid,xclsid,unknownouter,xiid,inst);
 116
 117         sprintf(buffer,"CLSID\\%s\\InProcServer32",xclsid);
 118
 119         if (RegOpenKeyEx32A(HKEY_CLASSES_ROOT,buffer,0,0x02000000,&inprockey))
 120         { return SH_get_instance(clsid,"shell32.dll",unknownouter,refiid,inst);
 121         }
 122         pathlen=sizeof(path);
 123
 124         if (RegQueryValue32A(inprockey,NULL,path,&pathlen))
 125         { RegCloseKey(inprockey);
 126           return SH_get_instance(clsid,"shell32.dll",unknownouter,refiid,inst);
 127         }
 128
 129         TRACE(shell, "Server dll is %s\n",path);
 130         tmodellen=sizeof(tmodel);
 131         type=REG_SZ;
 132         if (RegQueryValueEx32A(inprockey,"ThreadingModel",NULL,&type,tmodel,&tmodellen))
 133         { RegCloseKey(inprockey);
 134           return SH_get_instance(clsid,"shell32.dll",unknownouter,refiid,inst);
 135         }
 136
 137         TRACE(shell, "Threading model is %s\n",tmodel);
 138
 139         hres=SH_get_instance(clsid,path,unknownouter,refiid,inst);
 140         if (hres<0)
 141         { hres=SH_get_instance(clsid,"shell32.dll",unknownouter,refiid,inst);
 142         }
 143         RegCloseKey(inprockey);
 144         return hres;
 145 }
 146
 147
 148 /*************************************************************************
 149  * SHELL32_DllGetClassObject   [SHELL32.128]
 150  *
 151  * [Standart OLE/COM Interface Method]
 152  * This Function retrives the pointer to a specified interface (iid) of
 153  * a given class (rclsid).
 154  * With this pointer it's possible to call the IClassFactory_CreateInstance
 155  * method to get a instance of the requested Class.
 156  * This function does NOT instantiate the Class!!!
 157  *
 158  * RETURNS
 159  *   HRESULT
 160  *
 161  */
 162 DWORD WINAPI SHELL32_DllGetClassObject(REFCLSID rclsid,REFIID iid,LPVOID *ppv)
 163 {       HRESULT hres = E_OUTOFMEMORY;
 164         LPCLASSFACTORY lpclf;
 165
 166         char xclsid[50],xiid[50];
 167         WINE_StringFromCLSID((LPCLSID)rclsid,xclsid);
 168         WINE_StringFromCLSID((LPCLSID)iid,xiid);
 169         TRACE(shell,"\n\tCLSID:\t%s,\n\tIID:\t%s\n",xclsid,xiid);
 170
 171         *ppv = NULL;
 172         if(IsEqualCLSID(rclsid, &CLSID_ShellDesktop)||
 173            IsEqualCLSID(rclsid, &CLSID_ShellLink))
 174         { if(IsEqualCLSID(rclsid, &CLSID_ShellDesktop))      /*debug*/
 175           { TRACE(shell,"-- requested CLSID_ShellDesktop\n");
 176           }
 177           if(IsEqualCLSID(rclsid, &CLSID_ShellLink))         /*debug*/
 178           { TRACE(shell,"-- requested CLSID_ShellLink\n");
 179           }
 180           lpclf = IClassFactory_Constructor();
 181           if(lpclf)
 182           { hres = lpclf->lpvtbl->fnQueryInterface(lpclf,iid, ppv);
 183                 lpclf->lpvtbl->fnRelease(lpclf);
 184           }
 185         }
 186         else
 187         { WARN(shell, "-- CLSID not found\n");
 188           hres = CLASS_E_CLASSNOTAVAILABLE;
 189         }
 190         TRACE(shell,"-- return pointer to interface: %p\n",*ppv);
 191         return hres;
 192 }
 193
 194 /*************************************************************************
 195  *                       SHGetMalloc                    [SHELL32.220]
 196  * returns the interface to shell malloc.
 197  *
 198  * [SDK header win95/shlobj.h:
 199  * equivalent to:  #define SHGetMalloc(ppmem)   CoGetMalloc(MEMCTX_TASK, ppmem)
 200  * ]
 201  * What we are currently doing is not very wrong, since we always use the same
 202  * heap (ProcessHeap).
 203  */
 204 DWORD WINAPI SHGetMalloc(LPMALLOC32 *lpmal)
 205 {       TRACE(shell,"(%p)\n", lpmal);
 206         return CoGetMalloc32(0,lpmal);
 207 }
 208
 209 /**************************************************************************
 210 *  IClassFactory Implementation
 211 */
 212 static HRESULT WINAPI IClassFactory_QueryInterface(LPCLASSFACTORY,REFIID,LPVOID*);
 213 static ULONG WINAPI IClassFactory_AddRef(LPCLASSFACTORY);
 214 static ULONG WINAPI IClassFactory_Release(LPCLASSFACTORY);
 215 static HRESULT WINAPI IClassFactory_CreateInstance();
 216 static HRESULT WINAPI IClassFactory_LockServer();
 217 /**************************************************************************
 218  *  IClassFactory_VTable
 219  */
 220 static IClassFactory_VTable clfvt =
 221 {       IClassFactory_QueryInterface,
 222         IClassFactory_AddRef,
 223         IClassFactory_Release,
 224         IClassFactory_CreateInstance,
 225         IClassFactory_LockServer
 226 };
 227
 228 /**************************************************************************
 229  *  IClassFactory_Constructor
 230  */
 231
 232 LPCLASSFACTORY IClassFactory_Constructor()
 233 {       LPCLASSFACTORY  lpclf;
 234
 235         lpclf= (LPCLASSFACTORY)HeapAlloc(GetProcessHeap(),0,sizeof(IClassFactory));
 236         lpclf->ref = 1;
 237         lpclf->lpvtbl = &clfvt;
 238   TRACE(shell,"(%p)->()\n",lpclf);
 239         return lpclf;
 240 }
 241 /**************************************************************************
 242  *  IClassFactory::QueryInterface
 243  */
 244 static HRESULT WINAPI IClassFactory_QueryInterface(
 245   LPCLASSFACTORY this, REFIID riid, LPVOID *ppvObj)
 246 {       char    xriid[50];
 247         WINE_StringFromCLSID((LPCLSID)riid,xriid);
 248         TRACE(shell,"(%p)->(\n\tIID:\t%s)\n",this,xriid);
 249
 250         *ppvObj = NULL;
 251
 252         if(IsEqualIID(riid, &IID_IUnknown))          /*IUnknown*/
 253         { *ppvObj = this;
 254         }
 255         else if(IsEqualIID(riid, &IID_IClassFactory))  /*IClassFactory*/
 256         { *ppvObj = (IClassFactory*)this;
 257         }
 258
 259         if(*ppvObj)
 260         { (*(LPCLASSFACTORY*)ppvObj)->lpvtbl->fnAddRef(this);
 261           TRACE(shell,"-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
 262           return S_OK;
 263         }
 264         TRACE(shell,"-- Interface: E_NOINTERFACE\n");
 265         return E_NOINTERFACE;
 266 }
 267 /******************************************************************************
 268  * IClassFactory_AddRef
 269  */
 270 static ULONG WINAPI IClassFactory_AddRef(LPCLASSFACTORY this)
 271 { TRACE(shell,"(%p)->(count=%lu)\n",this,this->ref);
 272         return ++(this->ref);
 273 }
 274 /******************************************************************************
 275  * IClassFactory_Release
 276  */
 277 static ULONG WINAPI IClassFactory_Release(LPCLASSFACTORY this)
 278 {       TRACE(shell,"(%p)->(count=%lu)\n",this,this->ref);
 279         if (!--(this->ref))
 280         { TRACE(shell,"-- destroying IClassFactory(%p)\n",this);
 281                 HeapFree(GetProcessHeap(),0,this);
 282                 return 0;
 283         }
 284         return this->ref;
 285 }
 286 /******************************************************************************
 287  * IClassFactory_CreateInstance
 288  */
 289 static HRESULT WINAPI IClassFactory_CreateInstance(
 290   LPCLASSFACTORY this, LPUNKNOWN pUnknown, REFIID riid, LPVOID *ppObject)
 291 {       IUnknown *pObj = NULL;
 292         HRESULT hres;
 293         char    xriid[50];
 294
 295         WINE_StringFromCLSID((LPCLSID)riid,xriid);
 296         TRACE(shell,"%p->(%p,\n\tIID:\t%s,%p)\n",this,pUnknown,xriid,ppObject);
 297
 298         *ppObject = NULL;
 299
 300         if(pUnknown)
 301         {       return(CLASS_E_NOAGGREGATION);
 302         }
 303
 304         if (IsEqualIID(riid, &IID_IShellFolder))
 305         { pObj = (IUnknown *)IShellFolder_Constructor(NULL,NULL);
 306         }
 307         else if (IsEqualIID(riid, &IID_IShellView))
 308         { pObj = (IUnknown *)IShellView_Constructor();
 309         }
 310         else if (IsEqualIID(riid, &IID_IShellLink))
 311         { pObj = (IUnknown *)IShellLink_Constructor();
 312         }
 313         else if (IsEqualIID(riid, &IID_IExtractIcon))
 314         { pObj = (IUnknown *)IExtractIcon_Constructor(NULL);
 315         }
 316         else if (IsEqualIID(riid, &IID_IContextMenu))
 317         { pObj = (IUnknown *)IContextMenu_Constructor(NULL, NULL, 0);
 318         }
 319         else
 320         { ERR(shell,"unknown IID requested\n\tIID:\t%s\n",xriid);
 321           return(E_NOINTERFACE);
 322         }
 323
 324         if (!pObj)
 325         { return(E_OUTOFMEMORY);
 326         }
 327
 328         hres = pObj->lpvtbl->fnQueryInterface(pObj,riid, ppObject);
 329         pObj->lpvtbl->fnRelease(pObj);
 330         TRACE(shell,"-- Object created: (%p)->%p\n",this,*ppObject);
 331
 332         return hres;
 333 }
 334 /******************************************************************************
 335  * IClassFactory_LockServer
 336  */
 337 static HRESULT WINAPI IClassFactory_LockServer(LPCLASSFACTORY this, BOOL32 fLock)
 338 {       TRACE(shell,"%p->(0x%x), not implemented\n",this, fLock);
 339         return E_NOTIMPL;
 340 }