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https://github.com/ShareX/ShareX.git
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108 lines
No EOL
3.4 KiB
C#
108 lines
No EOL
3.4 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2016 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using System;
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using System.Net;
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using System.Web;
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using System.Windows.Forms;
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namespace ShareX.HelpersLib
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{
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public abstract class UpdateChecker
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{
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public UpdateStatus Status { get; set; }
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public Version CurrentVersion { get; set; }
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public Version LatestVersion { get; set; }
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public ReleaseChannelType ReleaseType { get; set; }
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public bool IsBeta { get; set; }
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public bool IsPortable { get; set; }
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public IWebProxy Proxy { get; set; }
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private string filename;
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public string Filename
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{
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get
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{
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if (string.IsNullOrEmpty(filename))
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{
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return HttpUtility.UrlDecode(DownloadURL.Substring(DownloadURL.LastIndexOf('/') + 1));
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}
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return filename;
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}
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set
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{
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filename = value;
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}
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}
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public string DownloadURL { get; set; }
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private const bool forceUpdate = false; // For testing purposes
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public void RefreshStatus()
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{
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if (CurrentVersion == null)
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{
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CurrentVersion = Version.Parse(Application.ProductVersion);
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}
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if (Status != UpdateStatus.UpdateCheckFailed && CurrentVersion != null && LatestVersion != null && !string.IsNullOrEmpty(DownloadURL) &&
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(forceUpdate || Helpers.CompareVersion(CurrentVersion, LatestVersion) < 0 || (IsBeta && Helpers.CompareVersion(CurrentVersion, LatestVersion) == 0)))
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{
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Status = UpdateStatus.UpdateAvailable;
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}
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else
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{
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Status = UpdateStatus.UpToDate;
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}
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}
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public abstract void CheckUpdate();
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public void DownloadUpdate()
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{
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DebugHelper.WriteLine("Updating ShareX from version {0} to {1}", CurrentVersion, LatestVersion);
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if (IsPortable)
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{
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URLHelpers.OpenURL(DownloadURL);
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}
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else
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{
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using (DownloaderForm updaterForm = new DownloaderForm(this))
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{
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updaterForm.ShowDialog();
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if (updaterForm.Status == DownloaderFormStatus.InstallStarted)
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{
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Application.Exit();
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}
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}
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}
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}
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}
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} |