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- Moved the download logic to a background worker so that the main app doesn't stop working while the file is being downloaded.

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- The logic to check for new updates is now separated into one function;
- Replaced all messageboxes to Notifications
To-Do: Actionable Notifications; Show releases-notes popup;
This commit is contained in:
Emanuel Alves
2017-06-09 17:54:15 +01:00
parent 4773ded83e
commit ef9b854939
3 changed files with 109 additions and 93 deletions
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2
QuickLook/TrayIconManager.cs
View File

@@ -33,7 +33,7 @@ namespace QuickLook
new MenuItem($"v{Application.ProductVersion}") {Enabled = false},
new MenuItem("-"),
new MenuItem("Check for &Updates...",
(sender, e) => Updater.AutoUpdate()),
(sender, e) => Updater.CheckForUpdates()),
_itemAutorun,
new MenuItem("&Quit", (sender, e) => System.Windows.Application.Current.Shutdown())
})

199
QuickLook/Updater.cs
View File

@@ -8,117 +8,134 @@ using System.IO;
using Newtonsoft.Json;
using System.Windows.Forms;
using System.Diagnostics;
using Newtonsoft.Json.Linq;
using System.ComponentModel;
namespace QuickLook
{
class Updater
{
public static void AutoUpdate()
public static bool CheckForUpdates()
{
var lversion = "";
var dpath = "";
bool success = false;
try
{
//check remote server for json file containing the latest version info
WebRequest WebRequest = WebRequest.Create("https://www.dropbox.com/s/9snksdc815ewlr7/quicklookstats.txt?dl=1");
var response = WebRequest.GetResponse();
//check github api for json file containing the latest version info
HttpWebRequest QLWebRequest = (HttpWebRequest)WebRequest.Create("https://api.github.com/repos/xupefei/QuickLook/releases/latest");
QLWebRequest.UserAgent = "QuickLook Auto Updater";
var response = QLWebRequest.GetResponse();
string jsonrsp = new StreamReader(response.GetResponseStream()).ReadToEnd();
dynamic results = JsonConvert.DeserializeObject<dynamic>(jsonrsp);
lversion = results.latestVersion;
dpath = results.downloadPath;
lversion = results["name"];
dpath = results["assets"][0]["browser_download_url"];
success = true;
}
catch (Exception e)
{
string message = "An error occured while trying to check for updates.";
string caption = "QuickLook - Update error";
MessageBoxButtons buttons = MessageBoxButtons.OK;
DialogResult result;
result = MessageBox.Show(message, caption, buttons);
TrayIconManager.GetInstance().ShowNotification("QuickLook - Update error", "An error occured while trying to check for updates.", true);
success = false;
}
if (Application.ProductVersion != lversion)
lversion = lversion + ".0"; //update-version.cmd adds an aditional 0 to the version, github api doesnt.
int cleanNewVersion = Convert.ToInt32(lversion.Replace(".", ""));
int cleanCurrentVersion = Convert.ToInt32(Application.ProductVersion.Replace(".", ""));
if ((cleanCurrentVersion < cleanNewVersion) && success)
{
string message = "A new version (v" + lversion + ") of QuickLook is available.\nDo you want to download and install it?";
string caption = "QuickLook - New Update Available";
MessageBoxButtons buttons = MessageBoxButtons.YesNo;
DialogResult result;
result = MessageBox.Show(message, caption, buttons);
if (result == System.Windows.Forms.DialogResult.Yes)
{
bool success = false;
string tmpFolderPath = Directory.GetCurrentDirectory() + @"\quicklook_updates";
string newUpdateFileLocation = tmpFolderPath + @"\quicklook_" + lversion + "_" + Guid.NewGuid().ToString() + ".msi";
try
{
if (!Directory.Exists(tmpFolderPath))
{
Directory.CreateDirectory(tmpFolderPath);
}
else
{
//wipe the temporary download folder
System.IO.DirectoryInfo di = new DirectoryInfo(tmpFolderPath);
foreach (FileInfo file in di.GetFiles())
{
file.Delete();
}
foreach (DirectoryInfo dir in di.GetDirectories())
{
dir.Delete(true);
}
}
string Warn_message = "The update is now being downloaded and the installer will be executed right after.\nThe app won't work until this process finishes.\nPlease wait.";
string Warn_caption = "QuickLook - Notice";
MessageBoxButtons Warn_buttons = MessageBoxButtons.OK;
DialogResult Warn_result;
Warn_result = MessageBox.Show(Warn_message, Warn_caption, Warn_buttons);
//download the new update msi package from the URL specified on the json file
var fileReader = new WebClient();
var fileAddress = dpath;
fileReader.DownloadFile(new Uri(fileAddress), newUpdateFileLocation);
success = true;
}
catch (Exception ex)
{
success = false;
}
finally
{
if (success)
{
//kills quicklook process and executes the msi installer through a cmd command chain (cmd will require UAC elevation)
string pId = Process.GetCurrentProcess().Id.ToString();
string command = @"taskkill /f /PID " + pId + " && timeout 3 && \"" + newUpdateFileLocation + "\" && exit";
var commandDispatcherSettings = new ProcessStartInfo();
var commandDispatcherProcess = new Process();
commandDispatcherSettings.FileName = "cmd";
commandDispatcherSettings.Verb = "runas";
commandDispatcherSettings.WindowStyle = ProcessWindowStyle.Hidden;
commandDispatcherSettings.Arguments = "cmd /C " + command;
commandDispatcherProcess.StartInfo = commandDispatcherSettings;
commandDispatcherProcess.Start();
commandDispatcherProcess.WaitForExit();
}
else
{
string Err_message = "An error occured while downloading the new update.";
string Err_caption = "QuickLook - Update error";
MessageBoxButtons Err_buttons = MessageBoxButtons.OK;
DialogResult Err_result;
Err_result = MessageBox.Show(Err_message, Err_caption, Err_buttons);
}
}
}
TrayIconManager.GetInstance().ShowNotification("QuickLook Update", "A new version of QuickLook is being downloaded.", false);
TriggerUpdate(dpath); //this function will be called when the user accepts the update
return true;
}
else
{
string message = "No new version available.";
string caption = "QuickLook";
MessageBoxButtons buttons = MessageBoxButtons.OK;
DialogResult result;
result = MessageBox.Show(message, caption, buttons);
return false;
}
}
public static void TriggerUpdate(string path)
{
BackgroundWorker QuickLookUpdateDownloader = new BackgroundWorker();
QuickLookUpdateDownloader.DoWork += QuickLookUpdateDownloader_DoWork;
QuickLookUpdateDownloader.RunWorkerCompleted += QuickLookUpdateDownloader_RunWorkerCompleted;
QuickLookUpdateDownloader.RunWorkerAsync(path);
}
private static void QuickLookUpdateDownloader_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
var r = e.Result;
if (r is string)
{
//executes the msi installer through a cmd command chain (cmd will require UAC elevation)
string command = @"""" + r + "\" && exit";
var commandDispatcherSettings = new ProcessStartInfo();
var commandDispatcherProcess = new Process();
commandDispatcherSettings.FileName = "cmd";
commandDispatcherSettings.Verb = "runas";
commandDispatcherSettings.WindowStyle = ProcessWindowStyle.Hidden;
commandDispatcherSettings.Arguments = "cmd /C " + command;
commandDispatcherProcess.StartInfo = commandDispatcherSettings;
commandDispatcherProcess.Start();
commandDispatcherProcess.WaitForExit();
}
else
{
TrayIconManager.GetInstance().ShowNotification("QuickLook - Update error", "An error occured while downloading the new version.", true);
}
}
private static void QuickLookUpdateDownloader_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
var dpath = e.Argument.ToString();
string tmpFolderPath = Directory.GetCurrentDirectory() + @"\quicklook_updates";
string newUpdateFileLocation = tmpFolderPath + @"\quicklook_update_" + Guid.NewGuid().ToString() + ".msi";
bool success = false;
try
{
if (!Directory.Exists(tmpFolderPath))
{
Directory.CreateDirectory(tmpFolderPath);
}
else
{
//wipe the temporary download folder
System.IO.DirectoryInfo di = new DirectoryInfo(tmpFolderPath);
foreach (FileInfo file in di.GetFiles())
{
file.Delete();
}
foreach (DirectoryInfo dir in di.GetDirectories())
{
dir.Delete(true);
}
}
//download the new update msi package from the URL specified on the json file
var fileReader = new WebClient();
fileReader.DownloadFile(new Uri(dpath), newUpdateFileLocation);
success = true;
}
catch (Exception ex)
{
success = false;
}
finally
{
if (success)
{
e.Result = newUpdateFileLocation;
}
else
{
e.Result = false;
}
}
}
}

1
update-version.cmd
View File

@@ -7,4 +7,3 @@ echo. >> %2
echo using System.Reflection;>> %2
echo. >> %2
echo [assembly: AssemblyVersion("%git_tag%")]>> %2
echo [assembly: AssemblyInformationalVersion("%git_revision%")]>> %2