mirror of
https://github.com/reactos/wine.git
synced 2024-12-11 13:26:00 +00:00
380 lines
9.0 KiB
C
380 lines
9.0 KiB
C
/*
|
|
* IEnumIDList
|
|
*
|
|
* Copyright 1998 Juergen Schmied <juergen.schmied@metronet.de>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#define COBJMACROS
|
|
|
|
#include "wine/debug.h"
|
|
#include "wine/unicode.h"
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "winreg.h"
|
|
#include "shlwapi.h"
|
|
|
|
#include "pidl.h"
|
|
#include "enumidlist.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(shell);
|
|
|
|
typedef struct tagENUMLIST
|
|
{
|
|
struct tagENUMLIST *pNext;
|
|
LPITEMIDLIST pidl;
|
|
|
|
} ENUMLIST, *LPENUMLIST;
|
|
|
|
typedef struct
|
|
{
|
|
IEnumIDListVtbl *lpVtbl;
|
|
DWORD ref;
|
|
LPENUMLIST mpFirst;
|
|
LPENUMLIST mpLast;
|
|
LPENUMLIST mpCurrent;
|
|
|
|
} IEnumIDListImpl;
|
|
|
|
static struct IEnumIDListVtbl eidlvt;
|
|
|
|
/**************************************************************************
|
|
* AddToEnumList()
|
|
*/
|
|
BOOL AddToEnumList(
|
|
IEnumIDList * iface,
|
|
LPITEMIDLIST pidl)
|
|
{
|
|
IEnumIDListImpl *This = (IEnumIDListImpl *)iface;
|
|
|
|
LPENUMLIST pNew;
|
|
|
|
TRACE("(%p)->(pidl=%p)\n",This,pidl);
|
|
|
|
if (!iface || !pidl)
|
|
return FALSE;
|
|
|
|
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()
|
|
*/
|
|
BOOL CreateFolderEnumList(
|
|
IEnumIDList *list,
|
|
LPCWSTR lpszPath,
|
|
DWORD dwFlags)
|
|
{
|
|
LPITEMIDLIST pidl=NULL;
|
|
WIN32_FIND_DATAW stffile;
|
|
HANDLE hFile;
|
|
WCHAR szPath[MAX_PATH];
|
|
BOOL succeeded = TRUE;
|
|
const static WCHAR stars[] = { '*','.','*',0 };
|
|
const static WCHAR dot[] = { '.',0 };
|
|
const static WCHAR dotdot[] = { '.','.',0 };
|
|
|
|
TRACE("(%p)->(path=%s flags=0x%08lx) \n",list,debugstr_w(lpszPath),dwFlags);
|
|
|
|
if(!lpszPath || !lpszPath[0]) return FALSE;
|
|
|
|
strcpyW(szPath, lpszPath);
|
|
PathAddBackslashW(szPath);
|
|
strcatW(szPath,stars);
|
|
|
|
hFile = FindFirstFileW(szPath,&stffile);
|
|
if ( hFile != INVALID_HANDLE_VALUE )
|
|
{
|
|
BOOL findFinished = FALSE;
|
|
|
|
do
|
|
{
|
|
if ( !(stffile.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN)
|
|
|| (dwFlags & SHCONTF_INCLUDEHIDDEN) )
|
|
{
|
|
if ( (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
|
|
dwFlags & SHCONTF_FOLDERS &&
|
|
strcmpW(stffile.cFileName, dot) && strcmpW(stffile.cFileName, dotdot))
|
|
{
|
|
pidl = _ILCreateFromFindDataW(&stffile);
|
|
succeeded = succeeded && AddToEnumList(list, pidl);
|
|
}
|
|
else if (!(stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
|
&& dwFlags & SHCONTF_NONFOLDERS)
|
|
{
|
|
pidl = _ILCreateFromFindDataW(&stffile);
|
|
succeeded = succeeded && AddToEnumList(list, pidl);
|
|
}
|
|
}
|
|
if (succeeded)
|
|
{
|
|
if (!FindNextFileW(hFile, &stffile))
|
|
{
|
|
if (GetLastError() == ERROR_NO_MORE_FILES)
|
|
findFinished = TRUE;
|
|
else
|
|
succeeded = FALSE;
|
|
}
|
|
}
|
|
} while (succeeded && !findFinished);
|
|
FindClose(hFile);
|
|
}
|
|
return succeeded;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* DeleteList()
|
|
*/
|
|
static BOOL DeleteList(
|
|
IEnumIDList * iface)
|
|
{
|
|
IEnumIDListImpl *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(void)
|
|
{
|
|
IEnumIDListImpl *lpeidl = HeapAlloc(GetProcessHeap(),
|
|
HEAP_ZERO_MEMORY, sizeof(IEnumIDListImpl));
|
|
|
|
if (lpeidl)
|
|
{
|
|
lpeidl->ref = 1;
|
|
lpeidl->lpVtbl = &eidlvt;
|
|
}
|
|
TRACE("-- (%p)->()\n",lpeidl);
|
|
|
|
return (IEnumIDList*)lpeidl;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* EnumIDList_QueryInterface
|
|
*/
|
|
static HRESULT WINAPI IEnumIDList_fnQueryInterface(
|
|
IEnumIDList * iface,
|
|
REFIID riid,
|
|
LPVOID *ppvObj)
|
|
{
|
|
IEnumIDListImpl *This = (IEnumIDListImpl *)iface;
|
|
|
|
TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,debugstr_guid(riid),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)
|
|
{
|
|
IEnumIDListImpl *This = (IEnumIDListImpl *)iface;
|
|
ULONG refCount = InterlockedIncrement(&This->ref);
|
|
|
|
TRACE("(%p)->(%lu)\n", This, refCount - 1);
|
|
|
|
return refCount;
|
|
}
|
|
/******************************************************************************
|
|
* IEnumIDList_fnRelease
|
|
*/
|
|
static ULONG WINAPI IEnumIDList_fnRelease(
|
|
IEnumIDList * iface)
|
|
{
|
|
IEnumIDListImpl *This = (IEnumIDListImpl *)iface;
|
|
ULONG refCount = InterlockedDecrement(&This->ref);
|
|
|
|
TRACE("(%p)->(%lu)\n", This, refCount + 1);
|
|
|
|
if (!refCount) {
|
|
TRACE(" destroying IEnumIDList(%p)\n",This);
|
|
DeleteList((IEnumIDList*)This);
|
|
HeapFree(GetProcessHeap(),0,This);
|
|
}
|
|
return refCount;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* IEnumIDList_fnNext
|
|
*/
|
|
|
|
static HRESULT WINAPI IEnumIDList_fnNext(
|
|
IEnumIDList * iface,
|
|
ULONG celt,
|
|
LPITEMIDLIST * rgelt,
|
|
ULONG *pceltFetched)
|
|
{
|
|
IEnumIDListImpl *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;
|
|
}
|
|
|
|
if(celt > 0 && !This->mpCurrent)
|
|
{ return S_FALSE;
|
|
}
|
|
|
|
for(i = 0; i < celt; i++)
|
|
{ if(!(This->mpCurrent))
|
|
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)
|
|
{
|
|
IEnumIDListImpl *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)
|
|
{
|
|
IEnumIDListImpl *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)
|
|
{
|
|
IEnumIDListImpl *This = (IEnumIDListImpl *)iface;
|
|
|
|
TRACE("(%p)->() to (%p)->() E_NOTIMPL\n",This,ppenum);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* IEnumIDList_fnVTable
|
|
*/
|
|
static IEnumIDListVtbl eidlvt =
|
|
{
|
|
IEnumIDList_fnQueryInterface,
|
|
IEnumIDList_fnAddRef,
|
|
IEnumIDList_fnRelease,
|
|
IEnumIDList_fnNext,
|
|
IEnumIDList_fnSkip,
|
|
IEnumIDList_fnReset,
|
|
IEnumIDList_fnClone,
|
|
};
|