DownloadWithFile.h

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//
// DownloadWithFile.h
//
// Copyright (c) Shareaza Development Team, 2002-2005.
// This file is part of SHAREAZA (www.shareaza.com)
//
// Shareaza 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.
//
// Shareaza 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 Shareaza; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

#if !defined(AFX_DOWNLOADWITHFILE_H__79FE6B65_04DF_4CD5_A1BC_9AF8429664DC__INCLUDED_)
#define AFX_DOWNLOADWITHFILE_H__79FE6B65_04DF_4CD5_A1BC_9AF8429664DC__INCLUDED_

#pragma once

#include "DownloadWithTransfers.h"
#include "FileFragments.hpp"

class CFragmentedFile;

class CDownloadWithFile : public CDownloadWithTransfers
{
// Construction
public:
        CDownloadWithFile();
        virtual ~CDownloadWithFile();

// Attributes
public:
        CFragmentedFile*        m_pFile;
        DWORD                           m_tReceived;
        BOOL                            m_bDiskFull;

// Operations
public:
        float                   GetProgress() const;
        QWORD                   GetVolumeComplete() const;
        QWORD                   GetVolumeRemaining() const;
        DWORD                   GetTimeRemaining() const;
        CString                 GetDisplayName() const;
public:
    const FF::SimpleFragmentList& GetEmptyFragmentList() const;
    FF::SimpleFragmentList GetPossibleFragments(const FF::SimpleFragmentList& oAvailable, FF::SimpleFragment& oLargest);
        BOOL                    GetFragment(CDownloadTransfer* pTransfer);
        BOOL                    IsPositionEmpty(QWORD nOffset);
    BOOL            AreRangesUseful(const FF::SimpleFragmentList& oAvailable);
        BOOL                    IsRangeUseful(QWORD nOffset, QWORD nLength);
        BOOL                    IsRangeUsefulEnough(CDownloadTransfer* pTransfer, QWORD nOffset, QWORD nLength);
        virtual CString GetAvailableRanges() const;
        BOOL                    ClipUploadRange(QWORD nOffset, QWORD& nLength) const;
        BOOL                    GetRandomRange(QWORD& nOffset, QWORD& nLength) const;
        BOOL                    PrepareFile();
        BOOL                    SubmitData(QWORD nOffset, LPBYTE pData, QWORD nLength);
        QWORD                   EraseRange(QWORD nOffset, QWORD nLength);
        BOOL                    MakeComplete();
protected:
        BOOL                    OpenFile();
        void                    CloseFile();
        void                    DeleteFile(BOOL bForce = FALSE);
        BOOL                    RunFile(DWORD tNow);
        BOOL                    WriteMetadata(LPCTSTR pszPath);
        BOOL                    AppendMetadata();
        BOOL                    AppendMetadataID3v1(HANDLE hFile, CXMLElement* pXML);
protected:
        virtual void    Serialize(CArchive& ar, int nVersion);

        friend class CDownloadTransfer;
};

#endif // !defined(AFX_DOWNLOADWITHFILE_H__79FE6B65_04DF_4CD5_A1BC_9AF8429664DC__INCLUDED_)

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