/SparkleShare/SparkleAboutController.cs

 1//   SparkleShare, a collaboration and sharing tool.
 2//   Copyright (C) 2010  Hylke Bons <hylkebons@gmail.com>
 3//
 4//   This program is free software: you can redistribute it and/or modify
 5//   it under the terms of the GNU General Public License as published by
 6//   the Free Software Foundation, either version 3 of the License, or
 7//   (at your option) any later version.
 8//
 9//   This program is distributed in the hope that it will be useful,
10//   but WITHOUT ANY WARRANTY; without even the implied warranty of
11//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12//   GNU General Public License for more details.
13//
14//   You should have received a copy of the GNU General Public License
15//   along with this program. If not, see <http://www.gnu.org/licenses/>.
16
17
18using System;
19using System.Net;
20using System.Threading;
21
22namespace SparkleShare {
23
24    public class SparkleAboutController {
25
26        public event Action ShowWindowEvent = delegate { };
27        public event Action HideWindowEvent = delegate { };
28
29        public event UpdateLabelEventDelegate UpdateLabelEvent = delegate { };
30        public delegate void UpdateLabelEventDelegate (string text);
31
32        public readonly string WebsiteLinkAddress       = "http://www.sparkleshare.org/";
33        public readonly string CreditsLinkAddress       = "http://github.com/hbons/SparkleShare/blob/master/legal/Authors.txt";
34        public readonly string ReportProblemLinkAddress = "http://www.github.com/hbons/SparkleShare/issues";
35        public readonly string DebugLogLinkAddress      = "file://" + Program.Controller.Config.LogFilePath;
36
37        public string RunningVersion;
38
39
40        public SparkleAboutController ()
41        {
42            RunningVersion = SparkleLib.SparkleBackend.Version;
43
44            Program.Controller.ShowAboutWindowEvent += delegate {
45                ShowWindowEvent ();
46                new Thread (() => CheckForNewVersion ()).Start ();
47            };
48        }
49
50
51        public void WindowClosed ()
52        {
53            HideWindowEvent ();
54        }
55
56
57        private void CheckForNewVersion ()
58        {
59            UpdateLabelEvent ("Checking for updates...");
60            Thread.Sleep (500);
61
62            WebClient web_client = new WebClient ();
63            Uri uri = new Uri ("http://www.sparkleshare.org/version");
64
65            try {
66                string latest_version = web_client.DownloadString (uri).Trim ();
67            
68                if (new Version (latest_version) > new Version (RunningVersion))
69                    UpdateLabelEvent ("A newer version (" + latest_version + ") is available!");
70                else
71                    UpdateLabelEvent ("You are running the latest version.");
72
73            } catch {
74                UpdateLabelEvent ("Version check failed.");
75            }
76        }
77    }
78}