520 lines
11 KiB
C
520 lines
11 KiB
C
/*
|
|
* IEnumIDList
|
|
*
|
|
* Copyright 1998 Juergen Schmied <juergen.schmied@metronet.de>
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "debugtools.h"
|
|
#include "winreg.h"
|
|
#include "wine/obj_base.h"
|
|
#include "wine/obj_enumidlist.h"
|
|
#include "wine/undocshell.h"
|
|
#include "winerror.h"
|
|
|
|
#include "pidl.h"
|
|
#include "shlguid.h"
|
|
#include "shell32_main.h"
|
|
|
|
DEFAULT_DEBUG_CHANNEL(shell)
|
|
|
|
typedef struct tagENUMLIST
|
|
{
|
|
struct tagENUMLIST *pNext;
|
|
LPITEMIDLIST pidl;
|
|
|
|
} ENUMLIST, *LPENUMLIST;
|
|
|
|
typedef struct
|
|
{
|
|
ICOM_VFIELD(IEnumIDList);
|
|
DWORD ref;
|
|
LPENUMLIST mpFirst;
|
|
LPENUMLIST mpLast;
|
|
LPENUMLIST mpCurrent;
|
|
|
|
} IEnumIDListImpl;
|
|
|
|
static struct ICOM_VTABLE(IEnumIDList) eidlvt;
|
|
|
|
/**************************************************************************
|
|
* AddToEnumList()
|
|
*/
|
|
static BOOL AddToEnumList(
|
|
IEnumIDList * iface,
|
|
LPITEMIDLIST pidl)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
LPENUMLIST pNew;
|
|
|
|
TRACE("(%p)->(pidl=%p)\n",This,pidl);
|
|
pNew = (LPENUMLIST)SHAlloc(sizeof(ENUMLIST));
|
|
if(pNew)
|
|
{
|
|
/*set the next pointer */
|
|
pNew->pNext = NULL;
|
|
pNew->pidl = pidl;
|
|
|
|
/*is This the first item in the list? */
|
|
if(!This->mpFirst)
|
|
{
|
|
This->mpFirst = pNew;
|
|
This->mpCurrent = pNew;
|
|
}
|
|
|
|
if(This->mpLast)
|
|
{
|
|
/*add the new item to the end of the list */
|
|
This->mpLast->pNext = pNew;
|
|
}
|
|
|
|
/*update the last item pointer */
|
|
This->mpLast = pNew;
|
|
TRACE("-- (%p)->(first=%p, last=%p)\n",This,This->mpFirst,This->mpLast);
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* CreateFolderEnumList()
|
|
*/
|
|
static BOOL CreateFolderEnumList(
|
|
IEnumIDList * iface,
|
|
LPCSTR lpszPath,
|
|
DWORD dwFlags)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
LPITEMIDLIST pidl=NULL;
|
|
WIN32_FIND_DATAA stffile;
|
|
HANDLE hFile;
|
|
CHAR szPath[MAX_PATH];
|
|
|
|
TRACE("(%p)->(path=%s flags=0x%08lx) \n",This,debugstr_a(lpszPath),dwFlags);
|
|
|
|
if(!lpszPath || !lpszPath[0]) return FALSE;
|
|
|
|
strcpy(szPath, lpszPath);
|
|
PathAddBackslashA(szPath);
|
|
strcat(szPath,"*.*");
|
|
|
|
/*enumerate the folders*/
|
|
if(dwFlags & SHCONTF_FOLDERS)
|
|
{
|
|
TRACE("-- (%p)-> enumerate SHCONTF_FOLDERS of %s\n",This,debugstr_a(szPath));
|
|
hFile = FindFirstFileA(szPath,&stffile);
|
|
if ( hFile != INVALID_HANDLE_VALUE )
|
|
{
|
|
do
|
|
{
|
|
if ( (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && strcmp (stffile.cFileName, ".") && strcmp (stffile.cFileName, ".."))
|
|
{
|
|
pidl = _ILCreateFolder (&stffile);
|
|
if(pidl && AddToEnumList((IEnumIDList*)This, pidl))
|
|
{
|
|
continue;
|
|
}
|
|
return FALSE;
|
|
}
|
|
} while( FindNextFileA(hFile,&stffile));
|
|
FindClose (hFile);
|
|
}
|
|
}
|
|
|
|
/*enumerate the non-folder items (values) */
|
|
if(dwFlags & SHCONTF_NONFOLDERS)
|
|
{
|
|
TRACE("-- (%p)-> enumerate SHCONTF_NONFOLDERS of %s\n",This,debugstr_a(szPath));
|
|
hFile = FindFirstFileA(szPath,&stffile);
|
|
if ( hFile != INVALID_HANDLE_VALUE )
|
|
{
|
|
do
|
|
{
|
|
if (! (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) )
|
|
{
|
|
pidl = _ILCreateValue(&stffile);
|
|
if(pidl && AddToEnumList((IEnumIDList*)This, pidl))
|
|
{
|
|
continue;
|
|
}
|
|
return FALSE;
|
|
}
|
|
} while( FindNextFileA(hFile,&stffile));
|
|
FindClose (hFile);
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* CreateDesktopEnumList()
|
|
*/
|
|
static BOOL CreateDesktopEnumList(
|
|
IEnumIDList * iface,
|
|
DWORD dwFlags)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
LPITEMIDLIST pidl=NULL;
|
|
HKEY hkey;
|
|
char szPath[MAX_PATH];
|
|
|
|
TRACE("(%p)->(flags=0x%08lx) \n",This,dwFlags);
|
|
|
|
/*enumerate the root folders */
|
|
if(dwFlags & SHCONTF_FOLDERS)
|
|
{
|
|
/*create the pidl for This item */
|
|
pidl = _ILCreateMyComputer();
|
|
if(pidl)
|
|
{
|
|
if(!AddToEnumList((IEnumIDList*)This, pidl))
|
|
return FALSE;
|
|
}
|
|
|
|
if (! RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\explorer\\desktop\\NameSpace", 0, KEY_READ, &hkey))
|
|
{
|
|
char iid[50];
|
|
int i=0;
|
|
|
|
while (1)
|
|
{
|
|
DWORD size = sizeof (iid);
|
|
|
|
if (ERROR_SUCCESS!=RegEnumKeyExA(hkey, i, iid, &size, 0, NULL, NULL, NULL))
|
|
break;
|
|
|
|
pidl = _ILCreateSpecial(iid);
|
|
|
|
if(pidl)
|
|
AddToEnumList((IEnumIDList*)This, pidl);
|
|
|
|
i++;
|
|
}
|
|
RegCloseKey(hkey);
|
|
}
|
|
}
|
|
|
|
/*enumerate the elements in %windir%\desktop */
|
|
SHGetSpecialFolderPathA(0, szPath, CSIDL_DESKTOPDIRECTORY, FALSE);
|
|
CreateFolderEnumList( (IEnumIDList*)This, szPath, dwFlags);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* CreateMyCompEnumList()
|
|
*/
|
|
static BOOL CreateMyCompEnumList(
|
|
IEnumIDList * iface,
|
|
DWORD dwFlags)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
LPITEMIDLIST pidl=NULL;
|
|
DWORD dwDrivemap;
|
|
CHAR szDriveName[4];
|
|
HKEY hkey;
|
|
|
|
TRACE("(%p)->(flags=0x%08lx) \n",This,dwFlags);
|
|
|
|
/*enumerate the folders*/
|
|
if(dwFlags & SHCONTF_FOLDERS)
|
|
{
|
|
dwDrivemap = GetLogicalDrives();
|
|
strcpy (szDriveName,"A:\\");
|
|
while (szDriveName[0]<='Z')
|
|
{
|
|
if(dwDrivemap & 0x00000001L)
|
|
{
|
|
pidl = _ILCreateDrive(szDriveName);
|
|
if(pidl)
|
|
{
|
|
if(!AddToEnumList((IEnumIDList*)This, pidl))
|
|
return FALSE;
|
|
}
|
|
}
|
|
szDriveName[0]++;
|
|
dwDrivemap = dwDrivemap >> 1;
|
|
}
|
|
|
|
TRACE("-- (%p)-> enumerate (mycomputer shell extensions)\n",This);
|
|
if (! RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\explorer\\mycomputer\\NameSpace", 0, KEY_READ, &hkey))
|
|
{
|
|
char iid[50];
|
|
int i=0;
|
|
|
|
while (1)
|
|
{
|
|
DWORD size = sizeof (iid);
|
|
|
|
if (ERROR_SUCCESS!=RegEnumKeyExA(hkey, i, iid, &size, 0, NULL, NULL, NULL))
|
|
break;
|
|
|
|
pidl = _ILCreateSpecial(iid);
|
|
|
|
if(pidl)
|
|
AddToEnumList((IEnumIDList*)This, pidl);
|
|
|
|
i++;
|
|
}
|
|
RegCloseKey(hkey);
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* DeleteList()
|
|
*/
|
|
static BOOL DeleteList(
|
|
IEnumIDList * iface)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
LPENUMLIST pDelete;
|
|
|
|
TRACE("(%p)->()\n",This);
|
|
|
|
while(This->mpFirst)
|
|
{ pDelete = This->mpFirst;
|
|
This->mpFirst = pDelete->pNext;
|
|
SHFree(pDelete->pidl);
|
|
SHFree(pDelete);
|
|
}
|
|
This->mpFirst = This->mpLast = This->mpCurrent = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* IEnumIDList_Folder_Constructor
|
|
*
|
|
*/
|
|
|
|
IEnumIDList * IEnumIDList_Constructor(
|
|
LPCSTR lpszPath,
|
|
DWORD dwFlags,
|
|
DWORD dwKind)
|
|
{
|
|
IEnumIDListImpl* lpeidl;
|
|
BOOL ret = FALSE;
|
|
|
|
lpeidl = (IEnumIDListImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IEnumIDListImpl));
|
|
|
|
TRACE("(%p)->(%s flags=0x%08lx kind=0x%08lx)\n",lpeidl,debugstr_a(lpszPath),dwFlags, dwKind);
|
|
|
|
if (lpeidl)
|
|
{
|
|
lpeidl->ref = 1;
|
|
ICOM_VTBL(lpeidl) = &eidlvt;
|
|
|
|
switch (dwKind)
|
|
{
|
|
case EIDL_DESK:
|
|
ret = CreateDesktopEnumList((IEnumIDList*)lpeidl, dwFlags);
|
|
break;
|
|
|
|
case EIDL_MYCOMP:
|
|
ret = CreateMyCompEnumList((IEnumIDList*)lpeidl, dwFlags);
|
|
break;
|
|
|
|
case EIDL_FILE:
|
|
ret = CreateFolderEnumList((IEnumIDList*)lpeidl, lpszPath, dwFlags);
|
|
break;
|
|
}
|
|
|
|
if(ret)
|
|
{
|
|
shell32_ObjCount++;
|
|
}
|
|
else
|
|
{
|
|
if (lpeidl)
|
|
{
|
|
HeapFree(GetProcessHeap(),0,lpeidl);
|
|
}
|
|
}
|
|
}
|
|
|
|
TRACE("-- (%p)->()\n",lpeidl);
|
|
|
|
return (IEnumIDList*)lpeidl;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* EnumIDList_QueryInterface
|
|
*/
|
|
static HRESULT WINAPI IEnumIDList_fnQueryInterface(
|
|
IEnumIDList * iface,
|
|
REFIID riid,
|
|
LPVOID *ppvObj)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
char xriid[50];
|
|
WINE_StringFromCLSID((LPCLSID)riid,xriid);
|
|
TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,xriid,ppvObj);
|
|
|
|
*ppvObj = NULL;
|
|
|
|
if(IsEqualIID(riid, &IID_IUnknown)) /*IUnknown*/
|
|
{ *ppvObj = This;
|
|
}
|
|
else if(IsEqualIID(riid, &IID_IEnumIDList)) /*IEnumIDList*/
|
|
{ *ppvObj = (IEnumIDList*)This;
|
|
}
|
|
|
|
if(*ppvObj)
|
|
{ IEnumIDList_AddRef((IEnumIDList*)*ppvObj);
|
|
TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
|
|
return S_OK;
|
|
}
|
|
|
|
TRACE("-- Interface: E_NOINTERFACE\n");
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IEnumIDList_fnAddRef
|
|
*/
|
|
static ULONG WINAPI IEnumIDList_fnAddRef(
|
|
IEnumIDList * iface)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
TRACE("(%p)->(%lu)\n",This,This->ref);
|
|
|
|
shell32_ObjCount++;
|
|
return ++(This->ref);
|
|
}
|
|
/******************************************************************************
|
|
* IEnumIDList_fnRelease
|
|
*/
|
|
static ULONG WINAPI IEnumIDList_fnRelease(
|
|
IEnumIDList * iface)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
TRACE("(%p)->(%lu)\n",This,This->ref);
|
|
|
|
shell32_ObjCount--;
|
|
|
|
if (!--(This->ref))
|
|
{ TRACE(" destroying IEnumIDList(%p)\n",This);
|
|
DeleteList((IEnumIDList*)This);
|
|
HeapFree(GetProcessHeap(),0,This);
|
|
return 0;
|
|
}
|
|
return This->ref;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* IEnumIDList_fnNext
|
|
*/
|
|
|
|
static HRESULT WINAPI IEnumIDList_fnNext(
|
|
IEnumIDList * iface,
|
|
ULONG celt,
|
|
LPITEMIDLIST * rgelt,
|
|
ULONG *pceltFetched)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
ULONG i;
|
|
HRESULT hr = S_OK;
|
|
LPITEMIDLIST temp;
|
|
|
|
TRACE("(%p)->(%ld,%p, %p)\n",This,celt,rgelt,pceltFetched);
|
|
|
|
/* It is valid to leave pceltFetched NULL when celt is 1. Some of explorer's
|
|
* subsystems actually use it (and so may a third party browser)
|
|
*/
|
|
if(pceltFetched)
|
|
*pceltFetched = 0;
|
|
|
|
*rgelt=0;
|
|
|
|
if(celt > 1 && !pceltFetched)
|
|
{ return E_INVALIDARG;
|
|
}
|
|
|
|
for(i = 0; i < celt; i++)
|
|
{ if(!(This->mpCurrent))
|
|
{ hr = S_FALSE;
|
|
break;
|
|
}
|
|
temp = ILClone(This->mpCurrent->pidl);
|
|
rgelt[i] = temp;
|
|
This->mpCurrent = This->mpCurrent->pNext;
|
|
}
|
|
if(pceltFetched)
|
|
{ *pceltFetched = i;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* IEnumIDList_fnSkip
|
|
*/
|
|
static HRESULT WINAPI IEnumIDList_fnSkip(
|
|
IEnumIDList * iface,ULONG celt)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
DWORD dwIndex;
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("(%p)->(%lu)\n",This,celt);
|
|
|
|
for(dwIndex = 0; dwIndex < celt; dwIndex++)
|
|
{ if(!This->mpCurrent)
|
|
{ hr = S_FALSE;
|
|
break;
|
|
}
|
|
This->mpCurrent = This->mpCurrent->pNext;
|
|
}
|
|
return hr;
|
|
}
|
|
/**************************************************************************
|
|
* IEnumIDList_fnReset
|
|
*/
|
|
static HRESULT WINAPI IEnumIDList_fnReset(
|
|
IEnumIDList * iface)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
TRACE("(%p)\n",This);
|
|
This->mpCurrent = This->mpFirst;
|
|
return S_OK;
|
|
}
|
|
/**************************************************************************
|
|
* IEnumIDList_fnClone
|
|
*/
|
|
static HRESULT WINAPI IEnumIDList_fnClone(
|
|
IEnumIDList * iface,LPENUMIDLIST * ppenum)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
TRACE("(%p)->() to (%p)->() E_NOTIMPL\n",This,ppenum);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* IEnumIDList_fnVTable
|
|
*/
|
|
static ICOM_VTABLE (IEnumIDList) eidlvt =
|
|
{
|
|
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
|
|
IEnumIDList_fnQueryInterface,
|
|
IEnumIDList_fnAddRef,
|
|
IEnumIDList_fnRelease,
|
|
IEnumIDList_fnNext,
|
|
IEnumIDList_fnSkip,
|
|
IEnumIDList_fnReset,
|
|
IEnumIDList_fnClone,
|
|
};
|