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- move CreateMyCompEnumList and CreateDesktopEnumList to their

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respective files
- rewrite CreateFolderEnumList to only FindFirstFile/FindNextFile once
This commit is contained in:
Juan Lang 2004-04-08 19:50:17 +00:00 committed by Alexandre Julliard
parent b004771314
commit 19b1a95ec1
5 changed files with 173 additions and 230 deletions
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267
dlls/shell32/enumidlist.c
View file

@ -102,192 +102,63 @@ BOOL AddToEnumList(
/**************************************************************************
* CreateFolderEnumList()
*/
static BOOL CreateFolderEnumList(
IEnumIDList * iface,
BOOL CreateFolderEnumList(
IEnumIDList *list,
LPCSTR lpszPath,
DWORD dwFlags)
{
ICOM_THIS(IEnumIDListImpl,iface);
LPITEMIDLIST pidl=NULL;
WIN32_FIND_DATAA stffile;
HANDLE hFile;
CHAR szPath[MAX_PATH];
BOOL succeeded = TRUE;
LPITEMIDLIST pidl=NULL;
WIN32_FIND_DATAA stffile;
HANDLE hFile;
CHAR szPath[MAX_PATH];
TRACE("(%p)->(path=%s flags=0x%08lx) \n",list,debugstr_a(lpszPath),dwFlags);
TRACE("(%p)->(path=%s flags=0x%08lx) \n",This,debugstr_a(lpszPath),dwFlags);
if(!lpszPath || !lpszPath[0]) return FALSE;
if(!lpszPath || !lpszPath[0]) return FALSE;
strcpy(szPath, lpszPath);
PathAddBackslashA(szPath);
strcat(szPath,"*.*");
strcpy(szPath, lpszPath);
PathAddBackslashA(szPath);
strcat(szPath,"*.*");
hFile = FindFirstFileA(szPath,&stffile);
if ( hFile != INVALID_HANDLE_VALUE )
{
BOOL findFinished = FALSE;
/*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 ( !(dwFlags & SHCONTF_INCLUDEHIDDEN) && (stffile.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) ) continue;
if ( (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && strcmp (stffile.cFileName, ".") && strcmp (stffile.cFileName, ".."))
{
pidl = _ILCreateFromFindDataA (&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 ( !(dwFlags & SHCONTF_INCLUDEHIDDEN) && (stffile.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) ) continue;
if (! (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) )
{
pidl = _ILCreateFromFindDataA(&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 = _ILCreateGuidFromStrA(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 = _ILCreateGuidFromStrA(iid);
if(pidl)
AddToEnumList((IEnumIDList*)This, pidl);
i++;
}
RegCloseKey(hkey);
}
}
return TRUE;
do
{
if ( !(stffile.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN)
|| (dwFlags & SHCONTF_INCLUDEHIDDEN) )
{
if ( (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
dwFlags & SHCONTF_FOLDERS &&
strcmp (stffile.cFileName, ".") && strcmp (stffile.cFileName, ".."))
{
pidl = _ILCreateFromFindDataA(&stffile);
succeeded = succeeded && AddToEnumList(list, pidl);
}
else if (!(stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
&& dwFlags & SHCONTF_NONFOLDERS)
{
pidl = _ILCreateFromFindDataA(&stffile);
succeeded = succeeded && AddToEnumList(list, pidl);
}
}
if (succeeded)
{
if (!FindNextFileA(hFile, &stffile))
{
if (GetLastError() == ERROR_NO_MORE_FILES)
findFinished = TRUE;
else
succeeded = FALSE;
}
}
} while (succeeded && !findFinished);
FindClose(hFile);
}
return succeeded;
}
/**************************************************************************
@ -332,46 +203,6 @@ IEnumIDList * IEnumIDList_Constructor(void)
return (IEnumIDList*)lpeidl;
}
IEnumIDList * IEnumIDList_BadConstructor(
LPCSTR lpszPath,
DWORD dwFlags,
DWORD dwKind)
{
IEnumIDListImpl* lpeidl;
BOOL ret = FALSE;
TRACE("()->(%s flags=0x%08lx kind=0x%08lx)\n",debugstr_a(lpszPath),dwFlags, dwKind);
lpeidl = (IEnumIDListImpl *)IEnumIDList_Constructor();
if (lpeidl)
{
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) {
HeapFree(GetProcessHeap(),0,lpeidl);
lpeidl = NULL;
}
}
TRACE("-- (%p)->()\n",lpeidl);
return (IEnumIDList*)lpeidl;
}
/**************************************************************************
* EnumIDList_QueryInterface
*/

15
dlls/shell32/enumidlist.h
View file

@ -18,16 +18,13 @@
#include "shlobj.h"
/* Creates an IEnumIDList; add LPITEMIDLISTs to it with AddToEnumList. */
LPENUMIDLIST IEnumIDList_Constructor(void);
BOOL AddToEnumList(IEnumIDList * iface, LPITEMIDLIST pidl);
BOOL AddToEnumList(IEnumIDList *list, LPITEMIDLIST pidl);
/* old interface that's going away soon: */
/* kind of enumidlist */
#define EIDL_DESK 0
#define EIDL_MYCOMP 1
#define EIDL_FILE 2
IEnumIDList * IEnumIDList_BadConstructor(LPCSTR lpszPath, DWORD dwFlags,
DWORD dwKind);
/* Enumerates the folders and/or files (depending on dwFlags) in lpszPath and
* adds them to the already-created list.
*/
BOOL CreateFolderEnumList(IEnumIDList *list, LPCSTR lpszPath, DWORD dwFlags);
#endif /* ndef __ENUMIDLIST_H__ */

57
dlls/shell32/shfldr_desktop.c
View file

@ -260,6 +260,59 @@ static HRESULT WINAPI ISF_Desktop_fnParseDisplayName (IShellFolder2 * iface,
return hr;
}
/**************************************************************************
* CreateDesktopEnumList()
*/
static BOOL CreateDesktopEnumList(IEnumIDList *list, DWORD dwFlags)
{
BOOL ret = TRUE;
char szPath[MAX_PATH];
TRACE("(%p)->(flags=0x%08lx) \n",list,dwFlags);
/*enumerate the root folders */
if(dwFlags & SHCONTF_FOLDERS)
{
HKEY hkey;
/*create the pidl for This item */
ret = AddToEnumList(list, _ILCreateMyComputer());
if (ret && !RegOpenKeyExA(HKEY_LOCAL_MACHINE,
"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\explorer\\desktop\\NameSpace",
0, KEY_READ, &hkey))
{
char iid[50];
int i=0;
BOOL moreKeys = TRUE;
while (ret && moreKeys)
{
DWORD size = sizeof (iid);
LONG apiRet = RegEnumKeyExA(hkey, i, iid, &size, 0, NULL, NULL,
NULL);
if (ERROR_SUCCESS == apiRet)
{
ret = AddToEnumList(list, _ILCreateGuidFromStrA(iid));
i++;
}
else if (ERROR_NO_MORE_ITEMS == apiRet)
moreKeys = FALSE;
else
ret = FALSE;
}
RegCloseKey(hkey);
}
}
/*enumerate the elements in %windir%\desktop */
SHGetSpecialFolderPathA(0, szPath, CSIDL_DESKTOPDIRECTORY, FALSE);
ret = ret && CreateFolderEnumList(list, szPath, dwFlags);
return ret;
}
/**************************************************************************
* ISF_Desktop_fnEnumObjects
*/
@ -270,7 +323,9 @@ static HRESULT WINAPI ISF_Desktop_fnEnumObjects (IShellFolder2 * iface,
TRACE ("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n", This, hwndOwner, dwFlags, ppEnumIDList);
*ppEnumIDList = IEnumIDList_BadConstructor (NULL, dwFlags, EIDL_DESK);
*ppEnumIDList = IEnumIDList_Constructor();
if (*ppEnumIDList)
CreateDesktopEnumList(*ppEnumIDList, dwFlags);
TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);

4
dlls/shell32/shfldr_fs.c
View file

@ -392,7 +392,9 @@ IShellFolder_fnEnumObjects (IShellFolder2 * iface, HWND hwndOwner, DWORD dwFlags
TRACE ("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n", This, hwndOwner, dwFlags, ppEnumIDList);
*ppEnumIDList = IEnumIDList_BadConstructor (This->sPathTarget, dwFlags, EIDL_FILE);
*ppEnumIDList = IEnumIDList_Constructor();
if (*ppEnumIDList)
CreateFolderEnumList(*ppEnumIDList, This->sPathTarget, dwFlags);
TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);

60
dlls/shell32/shfldr_mycomp.c
View file

@ -237,6 +237,62 @@ ISF_MyComputer_fnParseDisplayName (IShellFolder2 * iface,
return hr;
}
/**************************************************************************
* CreateMyCompEnumList()
*/
static BOOL CreateMyCompEnumList(IEnumIDList *list, DWORD dwFlags)
{
BOOL ret = TRUE;
TRACE("(%p)->(flags=0x%08lx) \n",list,dwFlags);
/*enumerate the folders*/
if(dwFlags & SHCONTF_FOLDERS)
{
CHAR szDriveName[] = "A:\\";
DWORD dwDrivemap = GetLogicalDrives();
HKEY hkey;
while (ret && szDriveName[0]<='Z')
{
if(dwDrivemap & 0x00000001L)
ret = AddToEnumList(list, _ILCreateDrive(szDriveName));
szDriveName[0]++;
dwDrivemap = dwDrivemap >> 1;
}
TRACE("-- (%p)-> enumerate (mycomputer shell extensions)\n",list);
if (ret && !RegOpenKeyExA(HKEY_LOCAL_MACHINE,
"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\explorer\\mycomputer\\NameSpace",
0, KEY_READ, &hkey))
{
char iid[50];
int i=0;
while (ret)
{
DWORD size = sizeof (iid);
LONG apiRet = RegEnumKeyExA(hkey, i, iid, &size, 0, NULL, NULL,
NULL);
if (ERROR_SUCCESS == apiRet)
{
/* FIXME: shell extensions, shouldn't the type be
* PT_SHELLEXT? */
ret = AddToEnumList(list, _ILCreateGuidFromStrA(iid));
i++;
}
else if (ERROR_NO_MORE_ITEMS == apiRet)
break;
else
ret = FALSE;
}
RegCloseKey(hkey);
}
}
return ret;
}
/**************************************************************************
* ISF_MyComputer_fnEnumObjects
*/
@ -247,7 +303,9 @@ ISF_MyComputer_fnEnumObjects (IShellFolder2 * iface, HWND hwndOwner, DWORD dwFla
TRACE ("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n", This, hwndOwner, dwFlags, ppEnumIDList);
*ppEnumIDList = IEnumIDList_BadConstructor (NULL, dwFlags, EIDL_MYCOMP);
*ppEnumIDList = IEnumIDList_Constructor();
if (*ppEnumIDList)
CreateMyCompEnumList(*ppEnumIDList, dwFlags);
TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);