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shell32: Use standard list for IEnumIDList implementation.

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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2016-12-01 07:30:26 +03:00 committed by Alexandre Julliard
parent 5669a710b2
commit 794efcceee
2 changed files with 117 additions and 138 deletions
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239
dlls/shell32/enumidlist.c
View file

@ -39,41 +39,24 @@ WINE_DEFAULT_DEBUG_CHANNEL(shell);
/**************************************************************************
* AddToEnumList()
*/
BOOL AddToEnumList(IEnumIDListImpl *This, LPITEMIDLIST pidl)
BOOL AddToEnumList(IEnumIDListImpl *list, LPITEMIDLIST pidl)
{
struct enumlist *pNew;
struct pidl_enum_entry *pidl_entry;
TRACE("(%p)->(pidl=%p)\n",This,pidl);
TRACE("(%p)->(pidl=%p)\n", list, pidl);
if (!This || !pidl)
return FALSE;
if (!list || !pidl)
return FALSE;
pNew = SHAlloc(sizeof(*pNew));
if(pNew)
{
/*set the next pointer */
pNew->pNext = NULL;
pNew->pidl = pidl;
if (!(pidl_entry = SHAlloc(sizeof(*pidl_entry))))
return FALSE;
/*is This the first item in the list? */
if(!This->mpFirst)
{
This->mpFirst = pNew;
This->mpCurrent = pNew;
}
pidl_entry->pidl = pidl;
list_add_tail(&list->pidls, &pidl_entry->entry);
if (!list->current)
list->current = list_head(&list->pidls);
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;
return TRUE;
}
/**************************************************************************
@ -138,22 +121,6 @@ BOOL CreateFolderEnumList(IEnumIDListImpl *list, LPCWSTR lpszPath, DWORD dwFlags
return succeeded;
}
static BOOL DeleteList(IEnumIDListImpl *This)
{
struct enumlist *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;
}
static inline IEnumIDListImpl *impl_from_IEnumIDList(IEnumIDList *iface)
{
return CONTAINING_RECORD(iface, IEnumIDListImpl, IEnumIDList_iface);
@ -164,26 +131,26 @@ static inline IEnumIDListImpl *impl_from_IEnumIDList(IEnumIDList *iface)
*/
static HRESULT WINAPI IEnumIDList_fnQueryInterface(IEnumIDList *iface, REFIID riid, void **ppvObj)
{
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,debugstr_guid(riid),ppvObj);
TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppvObj);
*ppvObj = NULL;
*ppvObj = NULL;
if(IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IEnumIDList))
{
*ppvObj = &This->IEnumIDList_iface;
}
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IEnumIDList))
{
*ppvObj = &This->IEnumIDList_iface;
}
if(*ppvObj)
{ IEnumIDList_AddRef((IEnumIDList*)*ppvObj);
TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
return S_OK;
}
if (*ppvObj)
{
IUnknown_AddRef((IUnknown*)*ppvObj);
return S_OK;
}
TRACE("-- Interface: E_NOINTERFACE\n");
return E_NOINTERFACE;
WARN("interface %s is not supported\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
/******************************************************************************
@ -191,29 +158,38 @@ static HRESULT WINAPI IEnumIDList_fnQueryInterface(IEnumIDList *iface, REFIID ri
*/
static ULONG WINAPI IEnumIDList_fnAddRef(IEnumIDList *iface)
{
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
ULONG refCount = InterlockedIncrement(&This->ref);
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%u)\n", This, refCount - 1);
TRACE("(%p)->(%u)\n", This, refCount - 1);
return refCount;
return refCount;
}
/******************************************************************************
* IEnumIDList::Release
*/
static ULONG WINAPI IEnumIDList_fnRelease(IEnumIDList *iface)
{
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
ULONG refCount = InterlockedDecrement(&This->ref);
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%u)\n", This, refCount + 1);
TRACE("(%p)->(%u)\n", This, refCount + 1);
if (!refCount) {
TRACE(" destroying IEnumIDList(%p)\n",This);
DeleteList(This);
HeapFree(GetProcessHeap(),0,This);
}
return refCount;
if (!refCount)
{
struct pidl_enum_entry *cur, *cur2;
LIST_FOR_EACH_ENTRY_SAFE(cur, cur2, &This->pidls, struct pidl_enum_entry, entry)
{
list_remove(&cur->entry);
SHFree(cur->pidl);
SHFree(cur);
}
HeapFree(GetProcessHeap(), 0, This);
}
return refCount;
}
/**************************************************************************
@ -221,45 +197,41 @@ static ULONG WINAPI IEnumIDList_fnRelease(IEnumIDList *iface)
*/
static HRESULT WINAPI IEnumIDList_fnNext(IEnumIDList *iface, ULONG celt, LPITEMIDLIST *rgelt,
ULONG *pceltFetched)
ULONG *fetched)
{
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
HRESULT hr = S_OK;
ULONG i;
ULONG i;
HRESULT hr = S_OK;
LPITEMIDLIST temp;
TRACE("(%p)->(%d, %p, %p)\n", This, celt, rgelt, fetched);
TRACE("(%p)->(%d,%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 (fetched)
*fetched = 0;
/* 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 = NULL;
*rgelt=0;
if (celt > 1 && !fetched)
return E_INVALIDARG;
if(celt > 1 && !pceltFetched)
{ return E_INVALIDARG;
}
if (celt > 0 && !This->current)
return S_FALSE;
if(celt > 0 && !This->mpCurrent)
{ return S_FALSE;
}
for (i = 0; i < celt; i++)
{
if (!This->current)
break;
for(i = 0; i < celt; i++)
{ if(!(This->mpCurrent))
break;
rgelt[i] = ILClone(LIST_ENTRY(This->current, struct pidl_enum_entry, entry)->pidl);
This->current = list_next(&This->pidls, This->current);
}
temp = ILClone(This->mpCurrent->pidl);
rgelt[i] = temp;
This->mpCurrent = This->mpCurrent->pNext;
}
if(pceltFetched)
{ *pceltFetched = i;
}
if (fetched)
*fetched = i;
return hr;
return hr;
}
/**************************************************************************
@ -267,63 +239,70 @@ static HRESULT WINAPI IEnumIDList_fnNext(IEnumIDList *iface, ULONG celt, LPITEMI
*/
static HRESULT WINAPI IEnumIDList_fnSkip(IEnumIDList *iface, ULONG celt)
{
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
HRESULT hr = S_OK;
ULONG i;
DWORD dwIndex;
HRESULT hr = S_OK;
TRACE("(%p)->(%u)\n", This, celt);
TRACE("(%p)->(%u)\n",This,celt);
for (i = 0; i < celt; i++)
{
if (!This->current)
{
hr = S_FALSE;
break;
}
This->current = list_next(&This->pidls, This->current);
}
for(dwIndex = 0; dwIndex < celt; dwIndex++)
{ if(!This->mpCurrent)
{ hr = S_FALSE;
break;
}
This->mpCurrent = This->mpCurrent->pNext;
}
return hr;
return hr;
}
/**************************************************************************
* IEnumIDList::Reset
*/
static HRESULT WINAPI IEnumIDList_fnReset(IEnumIDList *iface)
{
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
TRACE("(%p)\n",This);
This->mpCurrent = This->mpFirst;
return S_OK;
TRACE("(%p)\n",This);
This->current = list_head(&This->pidls);
return S_OK;
}
/**************************************************************************
* IEnumIDList::Clone
*/
static HRESULT WINAPI IEnumIDList_fnClone(IEnumIDList *iface, IEnumIDList **ppenum)
{
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
IEnumIDListImpl *This = impl_from_IEnumIDList(iface);
TRACE("(%p)->() to (%p)->() E_NOTIMPL\n",This,ppenum);
return E_NOTIMPL;
FIXME("(%p)->(%p): stub\n",This, ppenum);
return E_NOTIMPL;
}
static const IEnumIDListVtbl eidlvt =
{
IEnumIDList_fnQueryInterface,
IEnumIDList_fnAddRef,
IEnumIDList_fnRelease,
IEnumIDList_fnNext,
IEnumIDList_fnSkip,
IEnumIDList_fnReset,
IEnumIDList_fnClone,
IEnumIDList_fnQueryInterface,
IEnumIDList_fnAddRef,
IEnumIDList_fnRelease,
IEnumIDList_fnNext,
IEnumIDList_fnSkip,
IEnumIDList_fnReset,
IEnumIDList_fnClone,
};
IEnumIDListImpl *IEnumIDList_Constructor(void)
{
IEnumIDListImpl *lpeidl = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*lpeidl));
IEnumIDListImpl *lpeidl = HeapAlloc(GetProcessHeap(), 0, sizeof(*lpeidl));
if (lpeidl)
{
lpeidl->ref = 1;
lpeidl->IEnumIDList_iface.lpVtbl = &eidlvt;
lpeidl->ref = 1;
list_init(&lpeidl->pidls);
lpeidl->current = NULL;
}
TRACE("-- (%p)->()\n",lpeidl);

16
dlls/shell32/shell32_main.h
View file

@ -36,6 +36,7 @@
#include "shlobj.h"
#include "shellapi.h"
#include "wine/unicode.h"
#include "wine/list.h"
/*******************************************
* global SHELL32.DLL variables
@ -183,19 +184,18 @@ BOOL SHELL_IsShortcut(LPCITEMIDLIST) DECLSPEC_HIDDEN;
/* IEnumIDList stuff */
struct enumlist
struct pidl_enum_entry
{
struct enumlist *pNext;
LPITEMIDLIST pidl;
struct list entry;
LPITEMIDLIST pidl;
};
typedef struct
{
IEnumIDList IEnumIDList_iface;
LONG ref;
struct enumlist *mpFirst;
struct enumlist *mpLast;
struct enumlist *mpCurrent;
IEnumIDList IEnumIDList_iface;
LONG ref;
struct list pidls;
struct list *current;
} IEnumIDListImpl;
/* Creates an IEnumIDList; add LPITEMIDLISTs to it with AddToEnumList. */