{

const string URL = DistroConfig.DISTRIBUTION_VERSION;

readonly HttpClient httpClient = new HttpClient();

UpdateInfo updateInfo;

Label infoLabel;

Button closeButton;

Button downloadButton;

static bool silentCheck;

public UpdateDialog()

{

Owner = Globals.MainForm;

Font = PluginBase.Settings.DefaultFont;

FormGuid = "4d5fdc1c-2698-46e9-b22d-fa9a42ba8d26";

InitializeComponent();

ApplyLocalizedTexts();

InitializeUpdating();

}

#region Windows Form Designer Generated Code

/// <summary>

/// Required method for Designer support - do not modify

/// the contents of this method with the code editor.

/// </summary>

void InitializeComponent()

{

downloadButton = new ButtonEx();

infoLabel = new Label();

closeButton = new ButtonEx();

SuspendLayout();

//

// downloadButton

//

downloadButton.Anchor = (AnchorStyles.Bottom | AnchorStyles.Left) | AnchorStyles.Right;

downloadButton.Enabled = false;

downloadButton.FlatStyle = FlatStyle.System;

downloadButton.Location = new System.Drawing.Point(72, 69);

downloadButton.Name = "downloadButton";

downloadButton.Size = new System.Drawing.Size(116, 23);

downloadButton.TabIndex = 2;

downloadButton.Text = "&Download Update";

downloadButton.UseVisualStyleBackColor = true;

downloadButton.Click += DownloadButtonClick;

//

// infoLabel

//

infoLabel.Anchor = (AnchorStyles.Top | AnchorStyles.Left) | AnchorStyles.Right;

infoLabel.FlatStyle = FlatStyle.System;

infoLabel.Location = new System.Drawing.Point(13, 13);

infoLabel.Name = "infoLabel";

infoLabel.Size = new System.Drawing.Size(327, 44);

infoLabel.TabIndex = 0;

infoLabel.Text = "There is a newer version of FlashDevelop available.\r\n\r\nYour version: *.*.* / Server version: *.*.*";

infoLabel.TextAlign = System.Drawing.ContentAlignment.TopCenter;

//

// closeButton

//

closeButton.Anchor = (AnchorStyles.Bottom | AnchorStyles.Left) | AnchorStyles.Right;

closeButton.FlatStyle = FlatStyle.System;

closeButton.Location = new System.Drawing.Point(194, 69);

closeButton.Name = "closeButton";

closeButton.Size = new System.Drawing.Size(84, 23);

closeButton.TabIndex = 1;

closeButton.Text = "&Close";

closeButton.UseVisualStyleBackColor = true;

closeButton.Click += CloseButtonClick;

//

// UpdateDialog

//

CancelButton = closeButton;

AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);

AutoScaleMode = AutoScaleMode.Font;

ClientSize = new System.Drawing.Size(353, 105);

Controls.Add(closeButton);

Controls.Add(downloadButton);

Controls.Add(infoLabel);

FormBorderStyle = FormBorderStyle.FixedDialog;

MaximizeBox = false;

MinimizeBox = false;

Name = "UpdateDialog";

ShowInTaskbar = false;

StartPosition = FormStartPosition.CenterParent;

Text = " Update Check";

FormClosed += DialogClosed;

ResumeLayout(false);

}

#endregion

#region Methods And Event Handlers

/// <summary>

/// Applies the localized texts to the form

/// </summary>

void ApplyLocalizedTexts()

{

Text = " " + TextHelper.GetString("Title.UpdateDialog");

infoLabel.Text = TextHelper.GetString("Info.CheckingUpdates");

downloadButton.Text = TextHelper.GetString("Label.DownloadUpdate");

closeButton.Text = TextHelper.GetString("Label.Close");

}

/// <summary>

/// Downloads the new flashdevelop release

/// </summary>

void DownloadButtonClick(object sender, EventArgs e)

{

try

{

ProcessHelper.StartAsync(updateInfo.DownloadUrl);

}

catch (Exception ex)

{

ErrorManager.ShowError(ex);

}

Close();

}

/// <summary>

/// When the form is closed cancel the update check

/// </summary>

void DialogClosed(object sender, FormClosedEventArgs e) => httpClient.Dispose();

/// <summary>

/// Closes the dialog when user clicks buttons

/// </summary>

void CloseButtonClick(object sender, EventArgs e) => Close();

/// <summary>

/// Startups the update check

/// </summary>

async void InitializeUpdating()

{

try

{

switch (((SettingObject)PluginBase.MainForm.Settings).AutomaticallyCheckUpdatesFor)

{

case UpdateType.StableRelease:

{

var response = await httpClient.GetAsync(URL);

using var stream = await response.Content.ReadAsStreamAsync();

using var reader = new StreamReader(stream);

var version = await reader.ReadLineAsync(); // Read version

var download = await reader.ReadLineAsync(); // Read download

var product = Application.ProductName; // Internal version

var length = DistroConfig.DISTRIBUTION_NAME.Length + 1;

var current = product.Substring(length, product.IndexOfOrdinal(" for") - length);

updateInfo = new UpdateInfo(current, version, download);

OnLoadComplete();

break;

}

case UpdateType.PreviewRelease:

{

var response = await httpClient.GetAsync(DistroConfig.DISTRIBUTION_DEV_VERSION);

using var stream = await response.Content.ReadAsStreamAsync();

using var reader = new StreamReader(stream);

var version = await reader.ReadLineAsync(); // Read version

version = Regex.Match(version, @"\d.*\d").Value;

var product = Application.ProductName; // Internal version

var length = DistroConfig.DISTRIBUTION_NAME.Length + 1;

var current = product.Substring(length, product.IndexOfOrdinal(" for") - length);

updateInfo = new UpdateInfo(current, version, DistroConfig.DISTRIBUTION_DEV_BUILD);

OnLoadComplete();

break;

}

}

}

catch (Exception ex)

{

ErrorManager.AddToLog("Update check failed.", ex);

}

}

void OnLoadComplete()

{

if (updateInfo is null)

{

var info = TextHelper.GetString("Info.UpdateCheckFailed");

infoLabel.Text = string.Format(info, "\n\n");

if (silentCheck) Close();

}

else if (updateInfo.NeedsUpdate)

{

downloadButton.Enabled = true;

var info = TextHelper.GetString("Info.UpdateAvailable");

infoLabel.Text = string.Format(info, "\n\n", updateInfo.UserVersion, updateInfo.ServerVersion);

if (silentCheck) ShowDialog();

}

else

{

infoLabel.Text = TextHelper.GetString("Info.NoUpdateAvailable");

if (silentCheck) Close();

}

}

/// <summary>

/// Shows the update dialog

/// </summary>

public static void Show(bool silent)

{

silentCheck = silent;

using var dialog = new UpdateDialog();

if (!silentCheck) dialog.ShowDialog();

}

#endregion

{

public string UserVersion;

public string ServerVersion;

public string DownloadUrl = "http://www.flashdevelop.org/community/viewforum.php?f=11";

public bool NeedsUpdate;

public UpdateInfo(string userVersion, string serverVersion, string downloadUrl)

{

UserVersion = userVersion;

ServerVersion = serverVersion;

DownloadUrl = downloadUrl;

ParseNeedsUpdate();

}

/// <summary>

/// Parses the needs update value from the version strings

/// </summary>

void ParseNeedsUpdate()

{

try

{

NeedsUpdate = string.Compare(UserVersion, ServerVersion, true) < 0;

}

catch (Exception ex)

{

ErrorManager.ShowError(ex);

}

}