mirror of
https://github.com/reactos/wine.git
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382 lines
10 KiB
C
382 lines
10 KiB
C
/*
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* handling of SHELL32.DLL OLE-Objects
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*
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* Copyright 1997 Marcus Meissner
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* Copyright 1998 Juergen Schmied <juergen.schmied@metronet.de>
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*
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "wine/obj_base.h"
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#include "wine/obj_shelllink.h"
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#include "wine/obj_shellfolder.h"
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#include "wine/obj_shellbrowser.h"
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#include "wine/obj_contextmenu.h"
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#include "wine/obj_shellextinit.h"
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#include "wine/obj_extracticon.h"
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#include "shlguid.h"
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#include "winversion.h"
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#include "winreg.h"
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#include "winerror.h"
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#include "debug.h"
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#include "shell32_main.h"
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DEFAULT_DEBUG_CHANNEL(shell)
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/*************************************************************************
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*
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*/
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typedef DWORD (* WINAPI GetClassPtr)(REFCLSID,REFIID,LPVOID);
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static GetClassPtr SH_find_moduleproc(LPSTR dllname,HMODULE *xhmod,LPSTR name)
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{ HMODULE hmod;
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FARPROC dllunload,nameproc;
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TRACE(shell,"dll=%s, hmodule=%p, name=%s\n",dllname, xhmod, name);
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if (xhmod)
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{ *xhmod = 0;
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}
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if (!strcasecmp(PathFindFilenameA(dllname),"shell32.dll"))
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{ return (GetClassPtr)SHELL32_DllGetClassObject;
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}
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hmod = LoadLibraryExA(dllname,0,LOAD_WITH_ALTERED_SEARCH_PATH);
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if (!hmod)
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{ return NULL;
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}
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dllunload = GetProcAddress(hmod,"DllCanUnloadNow");
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if (!dllunload)
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{ if (xhmod)
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{ *xhmod = hmod;
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}
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}
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nameproc = GetProcAddress(hmod,name);
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if (!nameproc)
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{ FreeLibrary(hmod);
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return NULL;
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}
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/* register unloadable dll with unloadproc ... */
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return (GetClassPtr)nameproc;
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}
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/*************************************************************************
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*
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*/
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static DWORD SH_get_instance(REFCLSID clsid,LPSTR dllname,LPVOID unknownouter,REFIID refiid,LPVOID inst)
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{ GetClassPtr dllgetclassob;
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DWORD hres;
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LPCLASSFACTORY classfac;
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char xclsid[50],xrefiid[50];
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WINE_StringFromCLSID((LPCLSID)clsid,xclsid);
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WINE_StringFromCLSID((LPCLSID)refiid,xrefiid);
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TRACE(shell,"\n\tCLSID:%s,%s,%p,\n\tIID:%s,%p\n",xclsid, dllname,unknownouter,xrefiid,inst);
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dllgetclassob = SH_find_moduleproc(dllname,NULL,"DllGetClassObject");
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if (!dllgetclassob)
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{ return 0x80070000|GetLastError();
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}
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hres = (*dllgetclassob)(clsid,(REFIID)&IID_IClassFactory,&classfac);
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if ((hres<0) || (hres>=0x80000000))
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return hres;
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if (!classfac)
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{ FIXME(shell,"no classfactory, but hres is 0x%ld!\n",hres);
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return E_FAIL;
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}
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IClassFactory_CreateInstance(classfac,unknownouter,refiid,inst);
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IClassFactory_Release(classfac);
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return 0;
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}
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/*************************************************************************
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* SHCoCreateInstance [SHELL32.102]
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*
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* NOTES
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* exported by ordinal
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*/
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LRESULT WINAPI SHCoCreateInstance(LPSTR aclsid,CLSID *clsid,LPUNKNOWN unknownouter,REFIID refiid,LPVOID inst)
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{ char buffer[256],xclsid[48],xiid[48],path[260],tmodel[100];
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HKEY inprockey;
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DWORD pathlen,type,tmodellen;
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DWORD hres;
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WINE_StringFromCLSID(refiid,xiid);
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if (clsid)
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{ WINE_StringFromCLSID(clsid,xclsid);
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}
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else
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{ if (!aclsid)
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{ return 0x80040154;
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}
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strcpy(xclsid,aclsid);
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}
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TRACE(shell,"(%p,\n\tSID:\t%s,%p,\n\tIID:\t%s,%p)\n",aclsid,xclsid,unknownouter,xiid,inst);
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sprintf(buffer,"CLSID\\%s\\InProcServer32",xclsid);
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if (RegOpenKeyExA(HKEY_CLASSES_ROOT,buffer,0,0x02000000,&inprockey))
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{ return SH_get_instance(clsid,"shell32.dll",unknownouter,refiid,inst);
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}
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pathlen=sizeof(path);
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if (RegQueryValueA(inprockey,NULL,path,&pathlen))
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{ RegCloseKey(inprockey);
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return SH_get_instance(clsid,"shell32.dll",unknownouter,refiid,inst);
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}
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TRACE(shell, "Server dll is %s\n",path);
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tmodellen=sizeof(tmodel);
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type=REG_SZ;
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if (RegQueryValueExA(inprockey,"ThreadingModel",NULL,&type,tmodel,&tmodellen))
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{ RegCloseKey(inprockey);
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return SH_get_instance(clsid,"shell32.dll",unknownouter,refiid,inst);
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}
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TRACE(shell, "Threading model is %s\n",tmodel);
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hres=SH_get_instance(clsid,path,unknownouter,refiid,inst);
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if (hres<0 || (hres>0x80000000))
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{ hres=SH_get_instance(clsid,"shell32.dll",unknownouter,refiid,inst);
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}
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RegCloseKey(inprockey);
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return hres;
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}
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/*************************************************************************
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* SHELL32_DllGetClassObject [SHELL32.128]
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*
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* [Standart OLE/COM Interface Method]
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* This Function retrives the pointer to a specified interface (iid) of
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* a given class (rclsid).
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* With this pointer it's possible to call the IClassFactory_CreateInstance
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* method to get a instance of the requested Class.
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* This function does NOT instantiate the Class!!!
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*
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*/
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HRESULT WINAPI SHELL32_DllGetClassObject(REFCLSID rclsid,REFIID iid,LPVOID *ppv)
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{ HRESULT hres = E_OUTOFMEMORY;
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LPCLASSFACTORY lpclf;
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char xclsid[50],xiid[50];
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WINE_StringFromCLSID((LPCLSID)rclsid,xclsid);
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WINE_StringFromCLSID((LPCLSID)iid,xiid);
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TRACE(shell,"\n\tCLSID:\t%s,\n\tIID:\t%s\n",xclsid,xiid);
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*ppv = NULL;
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if(IsEqualCLSID(rclsid, &CLSID_ShellDesktop)||
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IsEqualCLSID(rclsid, &CLSID_ShellLink))
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{ if(IsEqualCLSID(rclsid, &CLSID_ShellDesktop)) /*debug*/
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{ TRACE(shell,"-- requested CLSID_ShellDesktop\n");
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}
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if (IsEqualCLSID(rclsid, &CLSID_ShellLink))
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{ if (VERSION_OsIsUnicode ())
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lpclf = IShellLinkW_CF_Constructor();
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else
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lpclf = IShellLink_CF_Constructor();
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}
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else
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{ lpclf = IClassFactory_Constructor();
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}
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if(lpclf) {
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hres = IClassFactory_QueryInterface(lpclf,iid, ppv);
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IClassFactory_Release(lpclf);
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}
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}
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else
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{ WARN(shell, "-- CLSID not found\n");
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hres = CLASS_E_CLASSNOTAVAILABLE;
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}
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TRACE(shell,"-- pointer to class factory: %p\n",*ppv);
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return hres;
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}
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/*************************************************************************
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* SHCLSIDFromString [SHELL32.147]
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*
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* NOTES
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* exported by ordinal
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*/
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DWORD WINAPI SHCLSIDFromString (LPSTR clsid, CLSID *id)
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{
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TRACE (shell,"(%p(%s) %p)\n", clsid, clsid, id);
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return CLSIDFromString16(clsid, id);
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}
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/*************************************************************************
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* SHGetMalloc [SHELL32.220]
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* returns the interface to shell malloc.
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*
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* [SDK header win95/shlobj.h:
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* equivalent to: #define SHGetMalloc(ppmem) CoGetMalloc(MEMCTX_TASK, ppmem)
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* ]
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* What we are currently doing is not very wrong, since we always use the same
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* heap (ProcessHeap).
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*/
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DWORD WINAPI SHGetMalloc(LPMALLOC *lpmal)
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{ TRACE(shell,"(%p)\n", lpmal);
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return CoGetMalloc(0,lpmal);
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}
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/**************************************************************************
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* IClassFactory Implementation
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*/
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typedef struct
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{
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/* IUnknown fields */
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ICOM_VTABLE(IClassFactory)* lpvtbl;
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DWORD ref;
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} IClassFactoryImpl;
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static ICOM_VTABLE(IClassFactory) clfvt;
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/**************************************************************************
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* IClassFactory_Constructor
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*/
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LPCLASSFACTORY IClassFactory_Constructor(void)
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{
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IClassFactoryImpl* lpclf;
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lpclf= (IClassFactoryImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IClassFactoryImpl));
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lpclf->ref = 1;
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lpclf->lpvtbl = &clfvt;
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TRACE(shell,"(%p)->()\n",lpclf);
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shell32_ObjCount++;
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return (LPCLASSFACTORY)lpclf;
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}
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/**************************************************************************
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* IClassFactory_QueryInterface
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*/
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static HRESULT WINAPI IClassFactory_fnQueryInterface(
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LPCLASSFACTORY iface, REFIID riid, LPVOID *ppvObj)
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{
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ICOM_THIS(IClassFactoryImpl,iface);
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char xriid[50];
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WINE_StringFromCLSID((LPCLSID)riid,xriid);
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TRACE(shell,"(%p)->(\n\tIID:\t%s)\n",This,xriid);
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*ppvObj = NULL;
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if(IsEqualIID(riid, &IID_IUnknown)) /*IUnknown*/
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{ *ppvObj = This;
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}
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else if(IsEqualIID(riid, &IID_IClassFactory)) /*IClassFactory*/
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{ *ppvObj = (IClassFactory*)This;
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}
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if(*ppvObj)
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{ IUnknown_AddRef((LPUNKNOWN)*ppvObj);
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TRACE(shell,"-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
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return S_OK;
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}
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TRACE(shell,"-- Interface: E_NOINTERFACE\n");
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return E_NOINTERFACE;
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}
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/******************************************************************************
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* IClassFactory_AddRef
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*/
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static ULONG WINAPI IClassFactory_fnAddRef(LPCLASSFACTORY iface)
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{
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ICOM_THIS(IClassFactoryImpl,iface);
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TRACE(shell,"(%p)->(count=%lu)\n",This,This->ref);
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shell32_ObjCount++;
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return ++(This->ref);
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}
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/******************************************************************************
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* IClassFactory_Release
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*/
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static ULONG WINAPI IClassFactory_fnRelease(LPCLASSFACTORY iface)
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{
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ICOM_THIS(IClassFactoryImpl,iface);
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TRACE(shell,"(%p)->(count=%lu)\n",This,This->ref);
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shell32_ObjCount--;
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if (!--(This->ref))
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{ TRACE(shell,"-- destroying IClassFactory(%p)\n",This);
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HeapFree(GetProcessHeap(),0,This);
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return 0;
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}
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return This->ref;
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}
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/******************************************************************************
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* IClassFactory_CreateInstance
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*/
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static HRESULT WINAPI IClassFactory_fnCreateInstance(
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LPCLASSFACTORY iface, LPUNKNOWN pUnknown, REFIID riid, LPVOID *ppObject)
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{
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ICOM_THIS(IClassFactoryImpl,iface);
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IUnknown *pObj = NULL;
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HRESULT hres;
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char xriid[50];
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WINE_StringFromCLSID((LPCLSID)riid,xriid);
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TRACE(shell,"%p->(%p,\n\tIID:\t%s,%p)\n",This,pUnknown,xriid,ppObject);
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*ppObject = NULL;
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if(pUnknown)
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{ return(CLASS_E_NOAGGREGATION);
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}
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if (IsEqualIID(riid, &IID_IShellFolder))
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{ pObj = (IUnknown *)IShellFolder_Constructor(NULL,NULL);
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}
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else if (IsEqualIID(riid, &IID_IShellView))
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{ pObj = (IUnknown *)IShellView_Constructor(NULL,NULL);
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}
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else if (IsEqualIID(riid, &IID_IExtractIconA))
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{ pObj = (IUnknown *)IExtractIconA_Constructor(NULL);
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}
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else if (IsEqualIID(riid, &IID_IContextMenu))
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{ pObj = (IUnknown *)IContextMenu_Constructor(NULL, NULL, 0);
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}
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else if (IsEqualIID(riid, &IID_IDataObject))
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{ pObj = (IUnknown *)IDataObject_Constructor(0,NULL,NULL,0);
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}
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else
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{ ERR(shell,"unknown IID requested\n\tIID:\t%s\n",xriid);
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return(E_NOINTERFACE);
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}
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if (!pObj)
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{ return(E_OUTOFMEMORY);
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}
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hres = pObj->lpvtbl->fnQueryInterface(pObj,riid, ppObject);
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pObj->lpvtbl->fnRelease(pObj);
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TRACE(shell,"-- Object created: (%p)->%p\n",This,*ppObject);
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return hres;
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}
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/******************************************************************************
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* IClassFactory_LockServer
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*/
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static HRESULT WINAPI IClassFactory_fnLockServer(LPCLASSFACTORY iface, BOOL fLock)
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{
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ICOM_THIS(IClassFactoryImpl,iface);
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TRACE(shell,"%p->(0x%x), not implemented\n",This, fLock);
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return E_NOTIMPL;
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}
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static ICOM_VTABLE(IClassFactory) clfvt =
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{
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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IClassFactory_fnQueryInterface,
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IClassFactory_fnAddRef,
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IClassFactory_fnRelease,
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IClassFactory_fnCreateInstance,
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IClassFactory_fnLockServer
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};
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