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executable file 135 lines (103 sloc) 5.153 kb
// SparkleShare, a collaboration and sharing tool.
// Copyright (C) 2010 Hylke Bons <hylkebons@gmail.com>
//
// 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 3 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, see <http://www.gnu.org/licenses/>.
using System;
using System.Net;
using System.Threading;
using SparkleLib;
namespace SparkleShare {
public class SparkleAboutController {
public event Action ShowWindowEvent = delegate { };
public event Action HideWindowEvent = delegate { };
public event Action VersionUpToDateEvent = delegate { };
public event Action CheckingForNewVersionEvent = delegate { };
public event NewVersionEventDelegate NewVersionEvent = delegate { };
public delegate void NewVersionEventDelegate (string new_version_string);
public readonly string WebsiteLinkAddress = "http://www.sparkleshare.org/";
public readonly string CreditsLinkAddress = "http://www.github.com/hbons/SparkleShare/tree/master/legal/AUTHORS";
public readonly string ReportProblemLinkAddress = "http://www.github.com/hbons/SparkleShare/issues";
public readonly string DebugLogLinkAddress = "file://" + Program.Controller.ConfigPath;
public string RunningVersion {
get {
return SparkleBackend.Version;
}
}
public SparkleAboutController ()
{
Program.Controller.ShowAboutWindowEvent += delegate {
ShowWindowEvent ();
CheckForNewVersion ();
};
}
public void WindowClosed ()
{
HideWindowEvent ();
}
private void CheckForNewVersion ()
{
CheckingForNewVersionEvent ();
WebClient web_client = new WebClient ();
Uri uri = new Uri ("http://www.sparkleshare.org/version");
web_client.DownloadStringCompleted += delegate (object o, DownloadStringCompletedEventArgs args) {
if (args.Error != null)
return;
string latest_version_string = args.Result.Trim ();
Thread.Sleep (750);
if (UpdateRequired (RunningVersion, latest_version_string))
NewVersionEvent (latest_version_string);
else
VersionUpToDateEvent ();
};
web_client.DownloadStringAsync (uri);
}
private bool UpdateRequired (string running_version_string, string latest_version_string)
{
if (running_version_string == null)
throw new ArgumentNullException ("running_version_string");
if (string.IsNullOrWhiteSpace (running_version_string))
throw new ArgumentException ("running_version_string");
if (latest_version_string == null)
throw new ArgumentNullException ("latest_version_string");
if (string.IsNullOrWhiteSpace (latest_version_string))
throw new ArgumentException ("latest_version_string");
int running_major;
int running_minor;
int running_micro;
try {
string [] running_split = running_version_string.Split ('.');
running_major = int.Parse (running_split [0]);
running_minor = int.Parse (running_split [1]);
running_micro = int.Parse (running_split [2]);
} catch (Exception e) {
throw new FormatException ("running_version_string", e);
}
int latest_major;
int latest_minor;
int latest_micro;
try {
string [] latest_split = latest_version_string.Split ('.');
latest_major = int.Parse (latest_split [0]);
latest_minor = int.Parse (latest_split [1]);
latest_micro = int.Parse (latest_split [2]);
} catch (Exception e) {
throw new FormatException ("latest_version_string", e);
}
bool higher_major = latest_major > running_major;
bool higher_minor = latest_major == running_major && latest_minor > running_minor;
bool higher_micro = latest_major == running_major && latest_minor == running_minor && latest_micro > running_micro;
return (higher_major || higher_minor || higher_micro);
}
}
}
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