RemoteEnumIDList.h

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/*  Declaration of remote folder contents enumerator via IEnumIDList interface

    Copyright (C) 2007  Alexander Lamaison <awl03@doc.ic.ac.uk>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#ifndef REMOTEENUMIDLIST_H
#define REMOTEENUMIDLIST_H

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "stdafx.h"
#include "resource.h"       // main symbols

#include "RemoteFolder.h"   // For back-reference to parent folder

struct FILEDATA
{
        BOOL fIsFolder;
        CString strPath;
        CString strOwner;
        CString strGroup;
        CString strAuthor;

        ULONGLONG uSize; // 64-bit allows files up to 16 Ebibytes (a lot)
        time_t dtModified;
        DWORD dwPermissions;
};


// IRemoteEnumIDList
[
        object,
        uuid("b816a83d-5022-11dc-9153-0090f5284f85"),
        helpstring("IRemoteEnumIDList Interface"),
        pointer_default(unique)
]
__interface IRemoteEnumIDList : IUnknown
{
};


// CRemoteEnumIDList
[
        coclass,
        default(IRemoteEnumIDList),
        threading(apartment),
        vi_progid("Swish.RemoteEnumIDList"),
        progid("Swish.RemoteEnumIDList.1"),
        version(1.0),
        uuid("b816a83e-5022-11dc-9153-0090f5284f85"),
        helpstring("RemoteEnumIDList Class")
]
class ATL_NO_VTABLE CRemoteEnumIDList :
        public IRemoteEnumIDList,
        public IEnumIDList
{
public:
        CRemoteEnumIDList() : m_pFolder(NULL), m_iPos(0)
        {
        }

        ~CRemoteEnumIDList()
        {
                ATLASSERT(m_pFolder);

                // Release folder that should have been incremented in BindToFolder
                if (m_pFolder)
                        m_pFolder->Release();
        }

        DECLARE_PROTECT_FINAL_CONSTRUCT()
        HRESULT FinalConstruct()
        {
                return S_OK;
        }
        void FinalRelease()
        {
        }

        HRESULT BindToFolder( CRemoteFolder* pFolder );
        HRESULT Connect( PCWSTR szUser, PCWSTR szHost, PCWSTR szPath, UINT uPort );

    // IEnumIDList
    IFACEMETHODIMP Next(
                ULONG celt,
                __out_ecount_part(celt, *pceltFetched) PITEMID_CHILD *rgelt,
                __out_opt ULONG *pceltFetched );
    IFACEMETHODIMP Skip( DWORD celt );
    IFACEMETHODIMP Reset();
    IFACEMETHODIMP Clone( __deref_out IEnumIDList **ppenum );

private:
        CRemoteFolder* m_pFolder;
        std::vector<FILEDATA> m_vListing;
        ULONG m_iPos; // Current position
    CRemotePidlManager m_PidlManager;
};

#endif // REMOTEENUMIDLIST_H

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