bool MoveNext()
{
bool fMoreItems = false;
if (SUCCEEDED(_hr))
{
if (NULL == _pidlRel)
{
fMoreItems = true;
_pidlRel = _pidlFull; // First item - Might be empty if it is the desktop
}
else if (!ILIsEmpty(_pidlRel))
{
PCUITEMID_CHILD pidlChild = (PCUITEMID_CHILD)_pidlRel; // Save the current segment for binding
_pidlRel = ILNext(_pidlRel);
// If we are not at the end setup for the next iteration
if (!ILIsEmpty(_pidlRel))
{
const WORD cbSave = _pidlRel->mkid.cb; // Avoid cloning for the child by truncating temporarily
_pidlRel->mkid.cb = 0; // Make this a child
IShellFolder *psfNew;
_hr = _psfCur->BindToObject(pidlChild, NULL, IID_PPV_ARGS(&psfNew));
if (SUCCEEDED(_hr))
{
_psfCur->Release();
_psfCur = psfNew; // Transfer ownership
fMoreItems = true;
}
_pidlRel->mkid.cb = cbSave; // Restore previous ID size
}
}
}
return fMoreItems;
}
static void update_path_box(explorer_info *info)
{
COMBOBOXEXITEMW item;
COMBOBOXEXITEMW main_item;
IShellFolder *desktop;
IPersistFolder2 *persist;
LPITEMIDLIST desktop_pidl;
IEnumIDList *ids;
ImageList_Remove((HIMAGELIST)info->icon_list,-1);
SendMessageW(info->path_box,CB_RESETCONTENT,0,0);
SHGetDesktopFolder(&desktop);
IShellFolder_QueryInterface(desktop,&IID_IPersistFolder2,(void**)&persist);
IPersistFolder2_GetCurFolder(persist,&desktop_pidl);
IPersistFolder2_Release(persist);
persist = NULL;
/*Add Desktop*/
item.iItem = -1;
item.mask = CBEIF_TEXT | CBEIF_INDENT | CBEIF_LPARAM;
item.iIndent = 0;
create_combobox_item(desktop,desktop_pidl,info->icon_list,&item);
item.lParam = (LPARAM)desktop_pidl;
SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
if(ILIsEqual(info->pidl,desktop_pidl))
main_item = item;
else
CoTaskMemFree(item.pszText);
/*Add all direct subfolders of Desktop*/
if(SUCCEEDED(IShellFolder_EnumObjects(desktop,NULL,SHCONTF_FOLDERS,&ids))
&& ids!=NULL)
{
LPITEMIDLIST curr_pidl=NULL;
HRESULT hres;
item.iIndent = 1;
while(1)
{
ILFree(curr_pidl);
curr_pidl=NULL;
hres = IEnumIDList_Next(ids,1,&curr_pidl,NULL);
if(FAILED(hres) || hres == S_FALSE)
break;
if(!create_combobox_item(desktop,curr_pidl,info->icon_list,&item))
WINE_WARN("Could not create a combobox item\n");
else
{
LPITEMIDLIST full_pidl = ILCombine(desktop_pidl,curr_pidl);
item.lParam = (LPARAM)full_pidl;
SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
if(ILIsEqual(full_pidl,info->pidl))
main_item = item;
else if(ILIsParent(full_pidl,info->pidl,FALSE))
{
/*add all parents of the pidl passed in*/
LPITEMIDLIST next_pidl = ILFindChild(full_pidl,info->pidl);
IShellFolder *curr_folder = NULL, *temp;
hres = IShellFolder_BindToObject(desktop,curr_pidl,NULL,
&IID_IShellFolder,
(void**)&curr_folder);
if(FAILED(hres))
WINE_WARN("Could not get an IShellFolder\n");
while(!ILIsEmpty(next_pidl))
{
LPITEMIDLIST first = ILCloneFirst(next_pidl);
CoTaskMemFree(item.pszText);
if(!create_combobox_item(curr_folder,first,
info->icon_list,&item))
{
WINE_WARN("Could not create a combobox item\n");
break;
}
++item.iIndent;
full_pidl = ILCombine(full_pidl,first);
item.lParam = (LPARAM)full_pidl;
SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
temp=NULL;
hres = IShellFolder_BindToObject(curr_folder,first,NULL,
&IID_IShellFolder,
(void**)&temp);
if(FAILED(hres))
{
WINE_WARN("Could not get an IShellFolder\n");
break;
}
IShellFolder_Release(curr_folder);
curr_folder = temp;
ILFree(first);
next_pidl = ILGetNext(next_pidl);
}
memcpy(&main_item,&item,sizeof(item));
if(curr_folder)
IShellFolder_Release(curr_folder);
item.iIndent = 1;
}
else
CoTaskMemFree(item.pszText);
}
}
ILFree(curr_pidl);
IEnumIDList_Release(ids);
}
else
WINE_WARN("Could not enumerate the desktop\n");
SendMessageW(info->path_box,CBEM_SETITEMW,0,(LPARAM)&main_item);
CoTaskMemFree(main_item.pszText);
}
STDAPI _IEBindToObjectInternal(BOOL fStrictBind, LPCITEMIDLIST pidl, IBindCtx * pbc, REFIID riid, void **ppvOut)
{
IShellFolder *psfTemp;
HRESULT hr;
*ppvOut = NULL;
BOOL fIsUrlChild = IsURLChild(pidl, TRUE);
if (fIsUrlChild || ILIsRooted(pidl))
{
hr = _GetRoot(pidl, fIsUrlChild, &psfTemp);
if (SUCCEEDED(hr))
{
pidl = _ILNext(pidl);
if (!ILIsEmpty(pidl))
hr = psfTemp->BindToObject(pidl, pbc, riid, ppvOut);
else
hr = psfTemp->QueryInterface(riid, ppvOut);
psfTemp->Release();
}
}
else
{
// non integrated browser mode will succeed on
// BindToObject(IID_IShellFolder) even for things that should
// fail (files). to avoid the down stream problems caused by this we
// filter out things that are not "browseable" up front,
//
// NOTE: this does not work on simple PIDLs
DWORD dwAttribs = SFGAO_FOLDER | SFGAO_BROWSABLE | SFGAO_FILESYSTEM;
hr = _IEGetAttributesOf(pidl, &dwAttribs, fStrictBind);
if (SUCCEEDED(hr))
{
switch (_ShouldDocObjBind(dwAttribs, fStrictBind))
{
case SHOULDBIND_DOCOBJ:
{
//
// shortcircuit and bind using our CDocObjectFolder for
// files which are BROWSABLE. Without this code, file:
// to non-Docobject files (such as multi-media files)
// won't do anything.
//
// is is needed for non integraded browser mode
//
CDocObjectFolder *pdof = new CDocObjectFolder();
TraceMsg(TF_URLNAMESPACE, "IEBTO(%x) using DocObjectFolder", pidl);
if (pdof)
{
hr = pdof->Initialize(pidl);
if (SUCCEEDED(hr))
hr = pdof->QueryInterface(riid, ppvOut);
pdof->Release();
}
else
hr = E_OUTOFMEMORY;
}
break;
case SHOULDBIND_DESKTOP:
{
//
// This is the normal case. We just bind down through the desktop...
//
TraceMsg(TF_URLNAMESPACE, "IEBTO(%x) using Desktop", pidl);
hr = SHGetDesktopFolder(&psfTemp);
if (SUCCEEDED(hr))
{
// BRYANST: 7/22/97 - NT Bug #188099
// shell32.dll in IE4 SI and only in that version had a bug if pbc was passed
// to IShellFolder::BindToObject() (fstreex.c!FSBindToFSFolder), it would fail
// to bind to Shell Extensions that extended file system folders, such as:
// the history folder, the occache, etc. We work around this by passing a NULL pbc
// if the destination is an IE4 shell32.dll and it will go thru FSBindToFSFolder().
if (pbc && ShouldWorkAroundBCBug(pidl))
{
pbc = NULL;
}
hr = psfTemp->BindToObject(pidl, pbc, riid, ppvOut);
psfTemp->Release();
}
}
break;
default:
hr = E_FAIL;
}
}
}
}
bool Path::empty () const
{
return (ILIsEmpty(myBackend));
}
