76 lines
2.8 KiB
C#
76 lines
2.8 KiB
C#
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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using System;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.IO;
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using System.Net;
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using System.Windows;
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using Windows.Storage;
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namespace Focalboard {
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class Webview2Installer {
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public int exitCode = -1;
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public int downloadProgress = 0;
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public delegate void InstallerHandler(Webview2Installer sender, EventArgs e);
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public event InstallerHandler InstallProgress;
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public event InstallerHandler InstallCompleted;
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private string filePath;
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public Webview2Installer() {
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var filename = $"{Guid.NewGuid().ToString()} MicrosoftEdgeWebview2Setup.exe";
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filePath = Path.Combine(System.IO.Path.GetTempPath(), filename);
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Debug.WriteLine($"Webview2Installer.filePath: {filePath}");
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}
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public void DownloadAndInstall() {
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const string url = "https://go.microsoft.com/fwlink/p/?LinkId=2124703";
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var uri = new Uri(url);
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try {
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if (File.Exists(filePath)) {
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File.Delete(filePath);
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}
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WebClient wc = new WebClient();
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wc.DownloadFileAsync(uri, filePath);
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wc.DownloadProgressChanged += new DownloadProgressChangedEventHandler(wc_DownloadProgressChanged);
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wc.DownloadFileCompleted += new AsyncCompletedEventHandler(wc_DownloadFileCompleted);
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} catch (Exception ex) {
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MessageBox.Show($"Webview2 download ERROR: {ex.Message}", "Download error");
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}
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}
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private void wc_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e) {
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downloadProgress = e.ProgressPercentage;
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InstallProgress?.Invoke(this, e);
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}
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private void wc_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e) {
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if (e.Error == null) {
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var proc = Process.Start(filePath);
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proc.EnableRaisingEvents = true;
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proc.Exited += Proc_Exited;
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} else {
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MessageBox.Show($"Unable to download webview2 installer, please check your Internet connection. ERROR: {e.Error.Message}", "Download failed");
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}
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}
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private void Proc_Exited(object sender, EventArgs e) {
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// Delete downloaded installer
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try {
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if (File.Exists(filePath)) {
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File.Delete(filePath);
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}
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} catch (Exception ex) {
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Debug.WriteLine($"Delete file failed. Error: {ex.Message}, filePath: {filePath}");
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}
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var proc = (Process)sender;
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exitCode = proc.ExitCode;
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InstallCompleted?.Invoke(this, e);
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}
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}
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}
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