2015-01-19 23:08:53 +08:00
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using System;
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using System.IO;
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using System.Windows.Forms;
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using System.Windows.Threading;
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using NAppUpdate.Framework;
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using NAppUpdate.Framework.Common;
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using NAppUpdate.Framework.Sources;
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2015-01-14 22:19:44 +08:00
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namespace Wox.Core.Updater
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{
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public class UpdaterManager
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{
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private static UpdaterManager instance;
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public static UpdaterManager Instance
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{
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get
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{
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if (instance == null)
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{
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instance = new UpdaterManager();
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}
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return instance;
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}
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}
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2015-01-19 23:08:53 +08:00
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private UpdaterManager()
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{
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UpdateManager.Instance.UpdateSource = GetUpdateSource();
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}
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2015-01-14 22:19:44 +08:00
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public void CheckUpdate()
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{
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2015-01-19 23:08:53 +08:00
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// Get a local pointer to the UpdateManager instance
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UpdateManager updManager = UpdateManager.Instance;
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updManager.BeginCheckForUpdates(asyncResult =>
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{
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if (asyncResult.IsCompleted)
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{
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// still need to check for caught exceptions if any and rethrow
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((UpdateProcessAsyncResult)asyncResult).EndInvoke();
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// No updates were found, or an error has occured. We might want to check that...
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if (updManager.UpdatesAvailable == 0)
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{
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MessageBox.Show("All is up to date!");
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return;
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}
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}
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updManager.BeginPrepareUpdates(result =>
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{
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((UpdateProcessAsyncResult)result).EndInvoke();
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// ApplyUpdates is a synchronous method by design. Make sure to save all user work before calling
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// it as it might restart your application
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// get out of the way so the console window isn't obstructed
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try
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{
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updManager.ApplyUpdates(true,false,true);
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}
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catch
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{
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// this.WindowState = WindowState.Normal;
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MessageBox.Show(
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"An error occurred while trying to install software updates");
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}
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updManager.CleanUp();
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}, null);
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}, null);
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}
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public void Reinstall()
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{
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UpdateManager.Instance.ReinstateIfRestarted();
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}
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private void OnPrepareUpdatesCompleted(bool obj)
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{
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UpdateManager updManager = UpdateManager.Instance;
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DialogResult dr = MessageBox.Show(
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"Updates are ready to install. Do you wish to install them now?",
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"Software updates ready",
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MessageBoxButtons.YesNo);
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if (dr == DialogResult.Yes)
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2015-01-14 22:19:44 +08:00
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{
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2015-01-19 23:08:53 +08:00
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// This is a synchronous method by design, make sure to save all user work before calling
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// it as it might restart your application
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updManager.ApplyUpdates(true,true,true);
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2015-01-14 22:19:44 +08:00
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}
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}
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2015-01-19 23:08:53 +08:00
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private IUpdateSource GetUpdateSource()
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{
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// Normally this would be a web based source.
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// But for the demo app, we prepare an in-memory source.
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var source = new NAppUpdate.Framework.Sources.SimpleWebSource("http://127.0.0.1:8888/Update.xml");
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return source;
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}
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2015-01-14 22:19:44 +08:00
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}
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}
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