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6ae11ba09d
This partially implements RegFolder required items as described by Geoff Chappell. CORE-19176 CORE-14061
65 lines
2 KiB
C++
65 lines
2 KiB
C++
/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __ENUMIDLIST_H__
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#define __ENUMIDLIST_H__
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struct ENUMLIST
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{
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ENUMLIST *pNext;
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LPITEMIDLIST pidl;
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};
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class CEnumIDListBase :
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public IEnumIDList
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{
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protected:
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ENUMLIST *mpFirst;
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ENUMLIST *mpLast;
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ENUMLIST *mpCurrent;
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public:
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CEnumIDListBase();
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virtual ~CEnumIDListBase();
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BOOL AddToEnumList(LPITEMIDLIST pidl);
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BOOL DeleteList();
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BOOL HasItemWithCLSID(LPITEMIDLIST pidl);
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HRESULT AppendItemsFromEnumerator(IEnumIDList* pEnum);
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template <class T> BOOL HasItemWithCLSIDImpl(LPCITEMIDLIST pidl)
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{
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const CLSID * const pClsid = static_cast<T*>(this)->GetPidlClsid((PCUITEMID_CHILD)pidl);
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for (ENUMLIST *pCur = mpFirst; pClsid && pCur; pCur = pCur->pNext)
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{
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const CLSID * const pEnumClsid = static_cast<T*>(this)->GetPidlClsid((PCUITEMID_CHILD)pCur->pidl);
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if (pEnumClsid && IsEqualCLSID(*pClsid, *pEnumClsid))
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return TRUE;
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}
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return FALSE;
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}
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// *** IEnumIDList methods ***
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STDMETHOD(Next)(ULONG celt, LPITEMIDLIST *rgelt, ULONG *pceltFetched) override;
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STDMETHOD(Skip)(ULONG celt) override;
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STDMETHOD(Reset)() override;
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STDMETHOD(Clone)(IEnumIDList **ppenum) override;
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BEGIN_COM_MAP(CEnumIDListBase)
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COM_INTERFACE_ENTRY_IID(IID_IEnumIDList, IEnumIDList)
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END_COM_MAP()
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};
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#endif /* __ENUMIDLIST_H__ */
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