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/**
* @file llupdatechecker.h
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_UPDATERCHECKER_H
#define LL_UPDATERCHECKER_H
#include <boost/shared_ptr.hpp>
//
// Implements asynchronous checking for updates.
//
class LLUpdateChecker {
public:
class Client;
class Implementation;
LLUpdateChecker(Client & client);
// Check status of current app on the given host for the channel and version provided.
void check(std::string const & hostUrl, std::string channel, std::string version);
private:
boost::shared_ptr<Implementation> mImplementation;
};
class LLURI; // From lluri.h
//
// The client interface implemented by a requestor checking for an update.
//
class LLUpdateChecker::Client
{
public:
// An error occurred while checking for an update.
virtual void error(std::string const & message) = 0;
// A newer version is available, but the current version may still be used.
virtual void optionalUpdate(std::string const & newVersion, LLURI const & uri) = 0;
// A newer version is available, and the current version is no longer valid.
virtual void requiredUpdate(std::string const & newVersion, LLURI const & uri) = 0;
// The checked version is up to date; no newer version exists.
virtual void upToDate(void) = 0;
};
#endif
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