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shell32/shellview: Improve error handling on some helpers, fix possible leak.

This commit is contained in:
Nikolay Sivov 2010-03-06 23:47:59 +03:00 committed by Alexandre Julliard
parent 115efbed69
commit 571159d5ff
1 changed files with 69 additions and 69 deletions
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138
dlls/shell32/shlview.c
View File

@ -634,96 +634,96 @@ static INT CALLBACK fill_list( LPVOID ptr, LPVOID arg )
return TRUE;
}
static HRESULT ShellView_FillList(IShellViewImpl * This)
static HRESULT ShellView_FillList(IShellViewImpl *This)
{
LPENUMIDLIST pEnumIDList;
LPITEMIDLIST pidl;
DWORD dwFetched;
HRESULT hRes;
HDPA hdpa;
LPENUMIDLIST pEnumIDList;
LPITEMIDLIST pidl;
DWORD fetched;
HRESULT hr;
HDPA hdpa;
TRACE("%p\n",This);
TRACE("(%p)\n", This);
/* get the itemlist from the shfolder*/
hRes = IShellFolder_EnumObjects(This->pSFParent,This->hWnd, SHCONTF_NONFOLDERS | SHCONTF_FOLDERS, &pEnumIDList);
if (hRes != S_OK)
{
if (hRes==S_FALSE)
return(NOERROR);
return(hRes);
}
/* get the itemlist from the shfolder*/
hr = IShellFolder_EnumObjects(This->pSFParent, This->hWnd, SHCONTF_NONFOLDERS | SHCONTF_FOLDERS, &pEnumIDList);
if (hr != S_OK) return hr;
/* create a pointer array */
hdpa = DPA_Create(16);
if (!hdpa)
{
return(E_OUTOFMEMORY);
}
/* create a pointer array */
hdpa = DPA_Create(16);
if (!hdpa)
{
IEnumIDList_Release(pEnumIDList);
return E_OUTOFMEMORY;
}
/* copy the items into the array*/
while((S_OK == IEnumIDList_Next(pEnumIDList,1, &pidl, &dwFetched)) && dwFetched)
{
if (DPA_InsertPtr(hdpa, 0x7fff, pidl) == -1)
{
SHFree(pidl);
}
}
/* copy the items into the array*/
while((S_OK == IEnumIDList_Next(pEnumIDList, 1, &pidl, &fetched)) && fetched)
{
if (DPA_InsertPtr(hdpa, DPA_GetPtrCount(hdpa), pidl) == -1)
{
SHFree(pidl);
}
}
/* sort the array */
DPA_Sort(hdpa, ShellView_CompareItems, (LPARAM)This->pSFParent);
/* sort the array */
DPA_Sort(hdpa, ShellView_CompareItems, (LPARAM)This->pSFParent);
/*turn the listview's redrawing off*/
SendMessageA(This->hWndList, WM_SETREDRAW, FALSE, 0);
SendMessageW(This->hWndList, WM_SETREDRAW, FALSE, 0);
DPA_DestroyCallback(hdpa, fill_list, This);
SendMessageW(This->hWndList, WM_SETREDRAW, TRUE, 0);
DPA_DestroyCallback( hdpa, fill_list, This );
IEnumIDList_Release(pEnumIDList);
/*turn the listview's redrawing back on and force it to draw*/
SendMessageA(This->hWndList, WM_SETREDRAW, TRUE, 0);
IEnumIDList_Release(pEnumIDList); /* destroy the list*/
return S_OK;
return S_OK;
}
/**********************************************************
* ShellView_OnCreate()
*/
static LRESULT ShellView_OnCreate(IShellViewImpl * This)
static LRESULT ShellView_OnCreate(IShellViewImpl *This)
{
IDropTarget* pdt;
SHChangeNotifyEntry ntreg;
IPersistFolder2 * ppf2 = NULL;
IShellView2 *iface = (IShellView2*)This;
IPersistFolder2 *ppf2;
IDropTarget* pdt;
HRESULT hr;
TRACE("%p\n",This);
TRACE("(%p)\n", This);
if(ShellView_CreateList(This))
{
if(ShellView_InitList(This))
{
if (ShellView_CreateList(This))
{
if (ShellView_InitList(This))
{
ShellView_FillList(This);
}
}
}
}
if (SUCCEEDED(IUnknown_QueryInterface((IUnknown*)&This->lpVtbl, &IID_IDropTarget, (LPVOID*)&pdt)))
{
RegisterDragDrop(This->hWnd, pdt);
IDropTarget_Release(pdt);
}
hr = IShellView2_QueryInterface(iface, &IID_IDropTarget, (LPVOID*)&pdt);
if (hr == S_OK)
{
RegisterDragDrop(This->hWnd, pdt);
IDropTarget_Release(pdt);
}
/* register for receiving notifications */
IShellFolder_QueryInterface(This->pSFParent, &IID_IPersistFolder2, (LPVOID*)&ppf2);
if (ppf2)
{
IPersistFolder2_GetCurFolder(ppf2, (LPITEMIDLIST*)&ntreg.pidl);
ntreg.fRecursive = TRUE;
This->hNotify = SHChangeNotifyRegister(This->hWnd, SHCNF_IDLIST, SHCNE_ALLEVENTS, SHV_CHANGE_NOTIFY, 1, &ntreg);
SHFree((LPITEMIDLIST)ntreg.pidl);
IPersistFolder2_Release(ppf2);
}
/* register for receiving notifications */
hr = IShellFolder_QueryInterface(This->pSFParent, &IID_IPersistFolder2, (LPVOID*)&ppf2);
if (hr == S_OK)
{
SHChangeNotifyEntry ntreg;
This->hAccel = LoadAcceleratorsA(shell32_hInstance, "shv_accel");
hr = IPersistFolder2_GetCurFolder(ppf2, (LPITEMIDLIST*)&ntreg.pidl);
if (hr == S_OK)
{
ntreg.fRecursive = TRUE;
This->hNotify = SHChangeNotifyRegister(This->hWnd, SHCNF_IDLIST, SHCNE_ALLEVENTS,
SHV_CHANGE_NOTIFY, 1, &ntreg);
SHFree((LPITEMIDLIST)ntreg.pidl);
}
IPersistFolder2_Release(ppf2);
}
return S_OK;
This->hAccel = LoadAcceleratorsA(shell32_hInstance, "shv_accel");
return S_OK;
}
/**********************************************************
@ -1875,7 +1875,7 @@ static HRESULT WINAPI IShellView_fnRefresh(IShellView2 * iface)
{
IShellViewImpl *This = (IShellViewImpl *)iface;
TRACE("(%p)\n",This);
TRACE("(%p)\n", This);
SendMessageW(This->hWndList, LVM_DELETEALLITEMS, 0, 0);
ShellView_FillList(This);