134 lines
4.9 KiB
C#
Executable file
134 lines
4.9 KiB
C#
Executable file
// SparkleShare, a collaboration and sharing tool.
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// Copyright (C) 2010 Hylke Bons <hylkebons@gmail.com>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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using System.Net;
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using System.Threading;
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using SparkleLib;
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namespace SparkleShare {
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public class SparkleAboutController {
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public event Action ShowWindowEvent = delegate { };
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public event Action HideWindowEvent = delegate { };
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public event Action VersionUpToDateEvent = delegate { };
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public event Action CheckingForNewVersionEvent = delegate { };
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public event NewVersionEventDelegate NewVersionEvent = delegate { };
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public delegate void NewVersionEventDelegate (string new_version_string);
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public readonly string WebsiteLinkAddress = "http://www.sparkleshare.org/";
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public readonly string CreditsLinkAddress = "http://www.github.com/hbons/SparkleShare/tree/master/legal/AUTHORS";
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public readonly string ReportProblemLinkAddress = "http://www.github.com/hbons/SparkleShare/issues";
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public string RunningVersion {
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get {
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return SparkleBackend.Version;
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}
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}
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public SparkleAboutController ()
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{
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Program.Controller.ShowAboutWindowEvent += delegate {
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ShowWindowEvent ();
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CheckForNewVersion ();
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};
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}
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public void WindowClosed ()
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{
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HideWindowEvent ();
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}
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private void CheckForNewVersion ()
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{
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CheckingForNewVersionEvent ();
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WebClient web_client = new WebClient ();
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Uri uri = new Uri ("http://www.sparkleshare.org/version");
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web_client.DownloadStringCompleted += delegate (object o, DownloadStringCompletedEventArgs args) {
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if (args.Error != null)
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return;
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string latest_version_string = args.Result.Trim ();
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Thread.Sleep (750);
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if (UpdateRequired (RunningVersion, latest_version_string))
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NewVersionEvent (latest_version_string);
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else
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VersionUpToDateEvent ();
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};
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web_client.DownloadStringAsync (uri);
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}
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private bool UpdateRequired (string running_version_string, string latest_version_string)
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{
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if (running_version_string == null)
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throw new ArgumentNullException ("running_version_string");
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if (string.IsNullOrWhiteSpace (running_version_string))
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throw new ArgumentException ("running_version_string");
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if (latest_version_string == null)
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throw new ArgumentNullException ("latest_version_string");
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if (string.IsNullOrWhiteSpace (latest_version_string))
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throw new ArgumentException ("latest_version_string");
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int running_major;
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int running_minor;
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int running_micro;
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try {
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string [] running_split = running_version_string.Split ('.');
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running_major = int.Parse (running_split [0]);
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running_minor = int.Parse (running_split [1]);
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running_micro = int.Parse (running_split [2]);
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} catch (Exception e) {
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throw new FormatException ("running_version_string", e);
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}
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int latest_major;
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int latest_minor;
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int latest_micro;
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try {
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string [] latest_split = latest_version_string.Split ('.');
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latest_major = int.Parse (latest_split [0]);
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latest_minor = int.Parse (latest_split [1]);
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latest_micro = int.Parse (latest_split [2]);
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} catch (Exception e) {
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throw new FormatException ("latest_version_string", e);
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}
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bool higher_major = latest_major > running_major;
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bool higher_minor = latest_major == running_major && latest_minor > running_minor;
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bool higher_micro = latest_major == running_major && latest_minor == running_minor && latest_micro > running_micro;
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return (higher_major || higher_minor || higher_micro);
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}
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}
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}
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