mirror of
https://github.com/reactos/wine.git
synced 2024-11-26 13:10:28 +00:00
639 lines
16 KiB
C
639 lines
16 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 "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include "shellapi.h"
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#include "shlobj.h"
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#include "shlguid.h"
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#include "winreg.h"
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#include "winerror.h"
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#include "undocshell.h"
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#include "wine/unicode.h"
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#include "shell32_main.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(shell);
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DWORD WINAPI SHCLSIDFromStringA (LPCSTR clsid, CLSID *id);
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extern IShellFolder * IShellFolder_Constructor(
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IShellFolder * psf,
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LPITEMIDLIST pidl);
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extern HRESULT IFSFolder_Constructor(
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IUnknown * pUnkOuter,
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REFIID riid,
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LPVOID * ppv);
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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(
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LPCSTR aclsid,
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REFCLSID clsid,
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LPUNKNOWN unknownouter,
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REFIID refiid,
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LPVOID *ppv)
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{
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DWORD hres;
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IID iid;
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CLSID * myclsid = (CLSID*)clsid;
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if (!clsid)
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{
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if (!aclsid) return REGDB_E_CLASSNOTREG;
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SHCLSIDFromStringA(aclsid, &iid);
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myclsid = &iid;
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}
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TRACE("(%p,\n\tCLSID:\t%s, unk:%p\n\tIID:\t%s,%p)\n",
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aclsid,debugstr_guid(myclsid),unknownouter,debugstr_guid(refiid),ppv);
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if IsEqualCLSID(myclsid, &CLSID_ShellFSFolder)
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{
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hres = IFSFolder_Constructor(unknownouter, refiid, ppv);
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}
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else
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{
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hres = CoCreateInstance(myclsid, unknownouter, CLSCTX_INPROC_SERVER, refiid, ppv);
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}
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if(hres!=S_OK)
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{
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ERR("failed (0x%08lx) to create \n\tCLSID:\t%s\n\tIID:\t%s\n",
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hres, debugstr_guid(myclsid), debugstr_guid(refiid));
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ERR("class not found in registry\n");
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}
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TRACE("-- instance: %p\n",*ppv);
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return hres;
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}
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/*************************************************************************
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* DllGetClassObject [SHELL32.128]
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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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TRACE("\n\tCLSID:\t%s,\n\tIID:\t%s\n",debugstr_guid(rclsid),debugstr_guid(iid));
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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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{
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lpclf = IClassFactory_Constructor( rclsid );
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if(lpclf)
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{
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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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{
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WARN("-- CLSID not found\n");
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hres = CLASS_E_CLASSNOTAVAILABLE;
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}
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TRACE("-- 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 SHCLSIDFromStringA (LPCSTR clsid, CLSID *id)
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{
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WCHAR buffer[40];
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TRACE("(%p(%s) %p)\n", clsid, clsid, id);
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if (!MultiByteToWideChar( CP_ACP, 0, clsid, -1, buffer, sizeof(buffer)/sizeof(WCHAR) ))
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return CO_E_CLASSSTRING;
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return CLSIDFromString( buffer, id );
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}
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DWORD WINAPI SHCLSIDFromStringW (LPWSTR clsid, CLSID *id)
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{
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TRACE("(%p(%s) %p)\n", clsid, debugstr_w(clsid), id);
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return CLSIDFromString(clsid, id);
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}
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DWORD WINAPI SHCLSIDFromStringAW (LPVOID clsid, CLSID *id)
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{
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if (SHELL_OsIsUnicode())
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return SHCLSIDFromStringW (clsid, id);
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return SHCLSIDFromStringA (clsid, id);
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}
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/*************************************************************************
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* SHGetMalloc [SHELL32.@]
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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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{
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TRACE("(%p)\n", lpmal);
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return CoGetMalloc(MEMCTX_TASK, lpmal);
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}
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/*************************************************************************
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* SHGetDesktopFolder [SHELL32.@]
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*/
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LPSHELLFOLDER pdesktopfolder=NULL;
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DWORD WINAPI SHGetDesktopFolder(IShellFolder **psf)
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{
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HRESULT hres = S_OK;
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LPCLASSFACTORY lpclf;
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TRACE("%p->(%p)\n",psf,*psf);
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*psf=NULL;
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if (!pdesktopfolder)
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{
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lpclf = IClassFactory_Constructor(&CLSID_ShellDesktop);
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if(lpclf)
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{
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hres = IClassFactory_CreateInstance(lpclf,NULL,(REFIID)&IID_IShellFolder, (void*)&pdesktopfolder);
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IClassFactory_Release(lpclf);
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}
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}
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if (pdesktopfolder)
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{
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/* even if we create the folder, add a ref so the application can<61>t destroy the folder*/
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IShellFolder_AddRef(pdesktopfolder);
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*psf = pdesktopfolder;
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}
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TRACE("-- %p->(%p)\n",psf, *psf);
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return hres;
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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_VFIELD(IClassFactory);
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DWORD ref;
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CLSID *rclsid;
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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(REFCLSID rclsid)
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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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ICOM_VTBL(lpclf) = &clfvt;
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lpclf->rclsid = (CLSID*)rclsid;
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TRACE("(%p)->()\n",lpclf);
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InterlockedIncrement(&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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TRACE("(%p)->(\n\tIID:\t%s)\n",This,debugstr_guid(riid));
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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("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
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return S_OK;
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}
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TRACE("-- Interface: %s E_NOINTERFACE\n", debugstr_guid(riid));
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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("(%p)->(count=%lu)\n",This,This->ref);
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InterlockedIncrement(&shell32_ObjCount);
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return InterlockedIncrement(&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("(%p)->(count=%lu)\n",This,This->ref);
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InterlockedDecrement(&shell32_ObjCount);
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if (!InterlockedDecrement(&This->ref))
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{
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TRACE("-- 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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TRACE("%p->(%p,\n\tIID:\t%s,%p)\n",This,pUnknown,debugstr_guid(riid),ppObject);
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*ppObject = NULL;
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if(pUnknown)
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{
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return(CLASS_E_NOAGGREGATION);
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}
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if (IsEqualCLSID(This->rclsid, &CLSID_ShellDesktop))
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{
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pObj = (IUnknown *)ISF_Desktop_Constructor();
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}
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else if (IsEqualCLSID(This->rclsid, &CLSID_ShellLink))
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{
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pObj = (IUnknown *)IShellLink_Constructor(FALSE);
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}
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else
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{
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ERR("unknown IID requested\n\tIID:\t%s\n",debugstr_guid(riid));
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return(E_NOINTERFACE);
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}
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if (!pObj)
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{
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return(E_OUTOFMEMORY);
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}
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hres = IUnknown_QueryInterface(pObj,riid, ppObject);
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IUnknown_Release(pObj);
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TRACE("-- 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("%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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/**************************************************************************
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* Default ClassFactory Implementation
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*
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* SHCreateDefClassObject
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*
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* NOTES
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* helper function for dll's without a own classfactory
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* a generic classfactory is returned
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* when the CreateInstance of the cf is called the callback is executed
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*/
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typedef HRESULT CALLBACK (*LPFNCREATEINSTANCE)(IUnknown* pUnkOuter, REFIID riid, LPVOID* ppvObject);
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typedef struct
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{
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ICOM_VFIELD(IClassFactory);
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DWORD ref;
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CLSID *rclsid;
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LPFNCREATEINSTANCE lpfnCI;
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const IID * riidInst;
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ULONG * pcRefDll; /* pointer to refcounter in external dll (ugrrr...) */
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} IDefClFImpl;
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static ICOM_VTABLE(IClassFactory) dclfvt;
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/**************************************************************************
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* IDefClF_fnConstructor
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*/
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IClassFactory * IDefClF_fnConstructor(LPFNCREATEINSTANCE lpfnCI, PLONG pcRefDll, REFIID riidInst)
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{
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IDefClFImpl* lpclf;
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lpclf = (IDefClFImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IDefClFImpl));
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lpclf->ref = 1;
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ICOM_VTBL(lpclf) = &dclfvt;
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lpclf->lpfnCI = lpfnCI;
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lpclf->pcRefDll = pcRefDll;
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if (pcRefDll) InterlockedIncrement(pcRefDll);
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lpclf->riidInst = riidInst;
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TRACE("(%p)\n\tIID:\t%s\n",lpclf, debugstr_guid(riidInst));
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InterlockedIncrement(&shell32_ObjCount);
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return (LPCLASSFACTORY)lpclf;
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}
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/**************************************************************************
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* IDefClF_fnQueryInterface
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*/
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static HRESULT WINAPI IDefClF_fnQueryInterface(
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LPCLASSFACTORY iface, REFIID riid, LPVOID *ppvObj)
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{
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ICOM_THIS(IDefClFImpl,iface);
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TRACE("(%p)->(\n\tIID:\t%s)\n",This,debugstr_guid(riid));
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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("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
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return S_OK;
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}
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TRACE("-- Interface: %s E_NOINTERFACE\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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/******************************************************************************
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* IDefClF_fnAddRef
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*/
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static ULONG WINAPI IDefClF_fnAddRef(LPCLASSFACTORY iface)
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{
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ICOM_THIS(IDefClFImpl,iface);
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TRACE("(%p)->(count=%lu)\n",This,This->ref);
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InterlockedIncrement(&shell32_ObjCount);
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return InterlockedIncrement(&This->ref);
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}
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/******************************************************************************
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* IDefClF_fnRelease
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*/
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static ULONG WINAPI IDefClF_fnRelease(LPCLASSFACTORY iface)
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{
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ICOM_THIS(IDefClFImpl,iface);
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TRACE("(%p)->(count=%lu)\n",This,This->ref);
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InterlockedDecrement(&shell32_ObjCount);
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if (!InterlockedDecrement(&This->ref))
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{
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if (This->pcRefDll) InterlockedDecrement(This->pcRefDll);
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TRACE("-- 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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* IDefClF_fnCreateInstance
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*/
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static HRESULT WINAPI IDefClF_fnCreateInstance(
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LPCLASSFACTORY iface, LPUNKNOWN pUnkOuter, REFIID riid, LPVOID *ppvObject)
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{
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ICOM_THIS(IDefClFImpl,iface);
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TRACE("%p->(%p,\n\tIID:\t%s,%p)\n",This,pUnkOuter,debugstr_guid(riid),ppvObject);
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*ppvObject = NULL;
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if(pUnkOuter)
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return(CLASS_E_NOAGGREGATION);
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if ( This->riidInst==NULL ||
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IsEqualCLSID(riid, This->riidInst) ||
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IsEqualCLSID(riid, &IID_IUnknown) )
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{
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return This->lpfnCI(pUnkOuter, riid, ppvObject);
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}
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ERR("unknown IID requested\n\tIID:\t%s\n",debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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/******************************************************************************
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* IDefClF_fnLockServer
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*/
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static HRESULT WINAPI IDefClF_fnLockServer(LPCLASSFACTORY iface, BOOL fLock)
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{
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ICOM_THIS(IDefClFImpl,iface);
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TRACE("%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) dclfvt =
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{
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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IDefClF_fnQueryInterface,
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IDefClF_fnAddRef,
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IDefClF_fnRelease,
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IDefClF_fnCreateInstance,
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IDefClF_fnLockServer
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};
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/******************************************************************************
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* SHCreateDefClassObject [SHELL32.70]
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*/
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HRESULT WINAPI SHCreateDefClassObject(
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REFIID riid,
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LPVOID* ppv,
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LPFNCREATEINSTANCE lpfnCI, /* [in] create instance callback entry */
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LPDWORD pcRefDll, /* [in/out] ref count of the dll */
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REFIID riidInst) /* [in] optional interface to the instance */
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{
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TRACE("\n\tIID:\t%s %p %p %p \n\tIIDIns:\t%s\n",
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debugstr_guid(riid), ppv, lpfnCI, pcRefDll, debugstr_guid(riidInst));
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if ( IsEqualCLSID(riid, &IID_IClassFactory) )
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{
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IClassFactory * pcf = IDefClF_fnConstructor(lpfnCI, pcRefDll, riidInst);
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if (pcf)
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{
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*ppv = pcf;
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return NOERROR;
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}
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return E_OUTOFMEMORY;
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}
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return E_NOINTERFACE;
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}
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/*************************************************************************
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* DragAcceptFiles [SHELL32.54]
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*/
|
||
void WINAPI DragAcceptFiles(HWND hWnd, BOOL b)
|
||
{
|
||
LONG exstyle;
|
||
|
||
if( !IsWindow(hWnd) ) return;
|
||
exstyle = GetWindowLongA(hWnd,GWL_EXSTYLE);
|
||
if (b)
|
||
exstyle |= WS_EX_ACCEPTFILES;
|
||
else
|
||
exstyle &= ~WS_EX_ACCEPTFILES;
|
||
SetWindowLongA(hWnd,GWL_EXSTYLE,exstyle);
|
||
}
|
||
|
||
/*************************************************************************
|
||
* DragFinish [SHELL32.80]
|
||
*/
|
||
void WINAPI DragFinish(HDROP h)
|
||
{
|
||
TRACE("\n");
|
||
GlobalFree((HGLOBAL)h);
|
||
}
|
||
|
||
/*************************************************************************
|
||
* DragQueryPoint [SHELL32.135]
|
||
*/
|
||
BOOL WINAPI DragQueryPoint(HDROP hDrop, POINT *p)
|
||
{
|
||
DROPFILES *lpDropFileStruct;
|
||
BOOL bRet;
|
||
|
||
TRACE("\n");
|
||
|
||
lpDropFileStruct = (DROPFILES *) GlobalLock(hDrop);
|
||
|
||
*p = lpDropFileStruct->pt;
|
||
bRet = lpDropFileStruct->fNC;
|
||
|
||
GlobalUnlock(hDrop);
|
||
return bRet;
|
||
}
|
||
|
||
/*************************************************************************
|
||
* DragQueryFile [SHELL32.81]
|
||
* DragQueryFileA [SHELL32.82]
|
||
*/
|
||
UINT WINAPI DragQueryFileA(
|
||
HDROP hDrop,
|
||
UINT lFile,
|
||
LPSTR lpszFile,
|
||
UINT lLength)
|
||
{
|
||
LPSTR lpDrop;
|
||
UINT i = 0;
|
||
DROPFILES *lpDropFileStruct = (DROPFILES *) GlobalLock(hDrop);
|
||
|
||
TRACE("(%08x, %x, %p, %u)\n", hDrop,lFile,lpszFile,lLength);
|
||
|
||
if(!lpDropFileStruct) goto end;
|
||
|
||
lpDrop = (LPSTR) lpDropFileStruct + lpDropFileStruct->pFiles;
|
||
|
||
while (i++ < lFile)
|
||
{
|
||
while (*lpDrop++); /* skip filename */
|
||
if (!*lpDrop)
|
||
{
|
||
i = (lFile == 0xFFFFFFFF) ? i : 0;
|
||
goto end;
|
||
}
|
||
}
|
||
|
||
i = strlen(lpDrop);
|
||
i++;
|
||
if (!lpszFile ) goto end; /* needed buffer size */
|
||
i = (lLength > i) ? i : lLength;
|
||
lstrcpynA (lpszFile, lpDrop, i);
|
||
end:
|
||
GlobalUnlock(hDrop);
|
||
return i;
|
||
}
|
||
|
||
/*************************************************************************
|
||
* DragQueryFileW [SHELL32.133]
|
||
*/
|
||
UINT WINAPI DragQueryFileW(
|
||
HDROP hDrop,
|
||
UINT lFile,
|
||
LPWSTR lpszwFile,
|
||
UINT lLength)
|
||
{
|
||
LPWSTR lpwDrop;
|
||
UINT i = 0;
|
||
DROPFILES *lpDropFileStruct = (DROPFILES *) GlobalLock(hDrop);
|
||
|
||
TRACE("(%08x, %x, %p, %u)\n", hDrop,lFile,lpszwFile,lLength);
|
||
|
||
if(!lpDropFileStruct) goto end;
|
||
|
||
lpwDrop = (LPWSTR) lpDropFileStruct + lpDropFileStruct->pFiles;
|
||
|
||
i = 0;
|
||
while (i++ < lFile)
|
||
{
|
||
while (*lpwDrop++); /* skip filename */
|
||
if (!*lpwDrop)
|
||
{
|
||
i = (lFile == 0xFFFFFFFF) ? i : 0;
|
||
goto end;
|
||
}
|
||
}
|
||
|
||
i = strlenW(lpwDrop);
|
||
i++;
|
||
if ( !lpszwFile) goto end; /* needed buffer size */
|
||
|
||
i = (lLength > i) ? i : lLength;
|
||
lstrcpynW (lpszwFile, lpwDrop, i);
|
||
end:
|
||
GlobalUnlock(hDrop);
|
||
return i;
|
||
}
|