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// download_update_manager.h -*-c++-*-
//
// Copyright (C) 2005, 2008, 2010 Daniel Burrows
//
// 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; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
#ifndef DOWNLOAD_UPDATE_MANAGER_H
#define DOWNLOAD_UPDATE_MANAGER_H
#include "download_manager.h"
#include <apt-pkg/sourcelist.h>
#include <sigc++/signal.h>
/** \file download_update_manager.h
*/
class download_signal_log;
/** A class that handles updating the package lists. */
class download_update_manager : public download_manager
{
/** A signal log object upon which Complete() should be called. */
download_signal_log *log;
pkgSourceList src_list;
pkgAcquireStatus *stat;
public:
/** Create a new manager. Note that acqlog and signallog may or may
* not be the same object (for instance, acqlog may be a log object
* that runs in a background thread and forwards messages to
* signallog in the foreground thread).
*
* \param _cache_progress the progress bar which should monitor the
* cache save/reload. This is /not/ owned by the manager object;
* it will not be deleted in the destructor.
*
*/
download_update_manager();
~download_update_manager();
/** Set up the update run. The class does not take ownership of any
* of the pointers passed to this method.
*
* \param progress a progress bar used to display the progress in
* saving the cache
*
* \param acqlog a pkgAcqStatus that should be directly invoked by
* the download process.
*
* \param signallog a signal log object upon which Complete()
* should be called.
*
* \return \b true iff the preparation succeeded.
*/
bool prepare(OpProgress &progress,
pkgAcquireStatus &acqlog,
download_signal_log *signallog);
pkgAcquire::RunResult do_download();
pkgAcquire::RunResult do_download(int PulseInterval);
void finish(pkgAcquire::RunResult res,
OpProgress *progress,
const sigc::slot1<void, result> &k);
/** A signal that is invoked after an automatic 'forget new'
* operation.
*/
sigc::signal0<void> post_forget_new_hook;
/** A signal that is invoked prior to performing an autoclean.
*/
sigc::signal0<void> pre_autoclean_hook;
/** A signal that is invoked after performing an autoclean (it is
* always invoked once per invocation of pre_autoclean_signal).
*/
sigc::signal0<void> post_autoclean_hook;
};
#endif
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