157 lines
3.3 KiB
C
157 lines
3.3 KiB
C
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/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORPORATION, 1998
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*
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* TITLE: SIMIDLST.H
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*
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* VERSION: 1.0
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*
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* AUTHOR: ShaunIv
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*
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* DATE: 7/28/1999
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*
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* DESCRIPTION: Simple PIDL Wrapper Class
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*
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*******************************************************************************/
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#ifndef __SIMIDLST_H_INCLUDED
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#define __SIMIDLST_H_INCLUDED
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#include <windows.h>
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#include <objbase.h>
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#include <shlobj.h>
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#include <shlobjp.h>
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#include <simstr.h>
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class CSimpleIdList
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{
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private:
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LPITEMIDLIST m_pIdl;
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public:
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CSimpleIdList(void)
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: m_pIdl(NULL)
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{
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}
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CSimpleIdList( PBYTE pData, UINT nSize )
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: m_pIdl(NULL)
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{
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m_pIdl = NULL;
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IMalloc *pMalloc = NULL;
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if (SUCCEEDED(SHGetMalloc(&pMalloc)))
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{
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m_pIdl = reinterpret_cast<LPITEMIDLIST>(pMalloc->Alloc( nSize ));
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if (m_pIdl)
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{
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CopyMemory( m_pIdl, pData, nSize );
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}
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pMalloc->Release();
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}
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}
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CSimpleIdList( LPCITEMIDLIST pIdl )
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: m_pIdl(NULL)
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{
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Assign(pIdl);
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}
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CSimpleIdList( const CSimpleIdList &other )
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: m_pIdl(NULL)
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{
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Assign(other.IdList());
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}
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CSimpleIdList( HWND hWnd, int nFolder )
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: m_pIdl(NULL)
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{
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GetSpecialFolder( hWnd, nFolder );
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}
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~CSimpleIdList(void)
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{
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Destroy();
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}
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bool IsValid(void) const
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{
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return (m_pIdl != NULL);
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}
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CSimpleIdList &operator=( const CSimpleIdList &other )
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{
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if (this != &other)
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{
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Destroy();
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Assign(other.IdList());
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}
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return *this;
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}
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LPITEMIDLIST IdList(void)
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{
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return m_pIdl;
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}
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LPCITEMIDLIST IdList(void) const
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{
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return m_pIdl;
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}
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UINT Size(void) const
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{
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if (!IsValid())
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return 0;
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return ILGetSize(m_pIdl);
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}
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void Release(void)
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{
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m_pIdl = NULL;
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}
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CSimpleIdList &Assign( LPCITEMIDLIST pIdl )
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{
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if (pIdl != m_pIdl)
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{
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Destroy();
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if (pIdl)
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{
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m_pIdl = ILClone(pIdl);
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}
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}
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return *this;
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}
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void Destroy(void)
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{
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if (m_pIdl)
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{
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IMalloc *pMalloc = NULL;
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if (SUCCEEDED(SHGetMalloc(&pMalloc)))
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{
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pMalloc->Free( m_pIdl );
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pMalloc->Release();
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}
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m_pIdl = NULL;
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}
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}
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CSimpleIdList &GetSpecialFolder( HWND hWnd, int nFolder )
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{
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Destroy();
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if (S_OK!=SHGetSpecialFolderLocation(hWnd,nFolder,&m_pIdl))
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{
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// Make sure it is nuked
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Destroy();
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}
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return *this;
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}
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CSimpleString Name(void) const
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{
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CSimpleString strRet;
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if (IsValid())
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{
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TCHAR szPath[MAX_PATH];
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SHGetPathFromIDList( m_pIdl, szPath );
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strRet = szPath;
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}
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return strRet;
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}
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bool operator==( const CSimpleIdList &other )
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{
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return (Name() == other.Name());
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}
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bool operator!=( const CSimpleIdList &other )
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{
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return (Name() != other.Name());
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}
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};
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#endif // __SIMIDLST_H_INCLUDED
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