sbDeviceEnsureSpaceForWrite.h

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/* vim: set sw=2 :miv */
/*
 *=BEGIN SONGBIRD GPL
 *
 * This file is part of the Songbird web player.
 *
 * Copyright(c) 2005-2010 POTI, Inc.
 * http://www.songbirdnest.com
 *
 * This file may be licensed under the terms of of the
 * GNU General Public License Version 2 (the ``GPL'').
 *
 * Software distributed under the License is distributed
 * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
 * express or implied. See the GPL for the specific language
 * governing rights and limitations.
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 * You should have received a copy of the GPL along with this
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 */

#ifndef SBDEVICEENSURESPACEFORWRITE_H_
#define SBDEVICEENSURESPACEFORWRITE_H_

#include <map>
#include <vector>

#include "sbBaseDevice.h"

class sbDeviceEnsureSpaceForWrite
{
public:

  sbDeviceEnsureSpaceForWrite(sbBaseDevice * aDevice,
                              sbIDeviceLibrary * aDevLibrary,
                              sbILibraryChangeset * aChangeset);
  ~sbDeviceEnsureSpaceForWrite();

  nsresult EnsureSpace();
private:

  sbBaseDevice * mDevice;

  nsCOMPtr<sbIDeviceLibrary> mDevLibrary;

  nsCOMPtr<sbILibraryChangeset> mChangeset;
  PRInt64 mTotalLength;
  PRInt64 mFreeSpace;

  nsresult GetFreeSpace();

  nsresult RemoveExtraItems();
};

#endif /* SBDEVICEENSURESPACEFORWRITE_H_ */