windows-nt/Source/XPSP1/NT/shell/ext/ftp/ftpeidl.h
2020-09-26 16:20:57 +08:00

80 lines
3.3 KiB
C++

/*****************************************************************************
* ftpeidl.h
*****************************************************************************/
#ifndef _FTPEIDL_H
#define _FTPEIDL_H
#include "cowsite.h"
/*****************************************************************************
*
* CFtpEidl
*
* The stuff that tracks the state of an enumeration.
*
*****************************************************************************/
class CFtpEidl : public IEnumIDList
, public CObjectWithSite
{
public:
//////////////////////////////////////////////////////
// Public Interfaces
//////////////////////////////////////////////////////
// *** IUnknown ***
virtual STDMETHODIMP_(ULONG) AddRef(void);
virtual STDMETHODIMP_(ULONG) Release(void);
virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
// *** IEnumIDList ***
virtual STDMETHODIMP Next(ULONG celt, LPITEMIDLIST *rgelt, ULONG *pceltFetched);
virtual STDMETHODIMP Skip(ULONG celt);
virtual STDMETHODIMP Reset(void);
virtual STDMETHODIMP Clone(IEnumIDList **ppenum);
public:
CFtpEidl();
~CFtpEidl(void);
// Friend Functions
friend HRESULT CFtpEidl_Create(CFtpDir * pfd, CFtpFolder * pff, HWND hwndOwner, DWORD shcontf, IEnumIDList ** ppenum);
protected:
// Private Member Variables
int m_cRef;
BITBOOL m_fInited : 1; // Have we been inited?
BITBOOL m_fDead : 1; // Is this enumerator dead because we had to do a redirect (because password was needed or was invalid).
BITBOOL m_fErrorDisplayed : 1; // Only show one error per enum. This is how we keep track.
DWORD m_nIndex; // Current Item in the list
DWORD m_shcontf; // Filter flags
CFtpPidlList * m_pflHfpl; // Where the cache lives
CFtpDir * m_pfd; // My FtpDir
CFtpFolder * m_pff; // My FtpDir
IMalloc * m_pm; // Today's itemid allocator
HWND m_hwndOwner; // My UI window
HRESULT m_hrOleInited; // We need to Init Ole because of Win95's Shell32 doesn't do that on the background enum thread.
// CAN DO: Someday we could implement hiden files: int m_cHiddenFiles;
// Public Member Functions
BOOL _fFilter(DWORD shcontf, DWORD dwFAFLFlags);
HRESULT _Init(void);
LPITEMIDLIST _NextOne(DWORD * pdwIndex);
HRESULT _PopulateItem(HINTERNET hint0, HINTPROCINFO * phpi);
HRESULT _AddFindDataToPidlList(LPCITEMIDLIST pidl);
HRESULT _HandleSoftLinks(HINTERNET hint, LPITEMIDLIST pidl, LPWIRESTR pwCurrentDir, DWORD cchSize);
BOOL _IsNavigationItem(LPWIN32_FIND_DATA pwfd);
static HRESULT _PopulateItemCB(HINTERNET hint0, HINTPROCINFO * phpi, LPVOID pvCFtpEidl, BOOL * pfReleaseHint) {return ((CFtpEidl *)pvCFtpEidl)->_PopulateItem(hint0, phpi);};
// Friend Functions
friend HRESULT CFtpEidl_Create(CFtpDir * pfd, CFtpFolder * pff, HWND hwndOwner, DWORD shcontf, CFtpEidl ** ppfe);
friend HRESULT CFtpEidl_Create(CFtpDir * pfd, CFtpFolder * pff, HWND hwndOwner, DWORD shcontf, DWORD dwIndex, IEnumIDList ** ppenum);
};
#endif // _FTPEIDL_H