using Microsoft.Win32; using System; using System.Collections.Generic; using System.Diagnostics; using System.Drawing; using System.IO; using System.Security; using System.Threading; using System.Windows.Forms; namespace Microsoft.MicroBit { internal partial class MainForm : Form { FileSystemWatcher watcher; private string customcopypath = ""; public MainForm() { InitializeComponent(); var v = typeof(MainForm).Assembly.GetName().Version; this.versionLabel.Text = "v" + v.Major + "." + v.Minor; } private void MainForm_Load(object sender, EventArgs e) { this.initializeFileWatch(); customcopypath = (string)Application.UserAppDataRegistry.GetValue("CustomDirectory", ""); this.openEditor(); } private void openEditor() { // lanch editor try { Process.Start("https://codethemicrobit.com#uploader"); } catch (Exception) { } } private void initializeFileWatch() { if (!checkTOU()) return; var downloads = KnownFoldersNativeMethods.GetDownloadPath(); if (downloads == null) { this.updateStatus("oops, can't find the `Downloads` folder"); return; } this.watcher = new FileSystemWatcher(downloads); this.watcher.Renamed += (sender, e) => this.handleFileEvent(e); this.watcher.Created += (sender, e) => this.handleFileEvent(e); this.watcher.EnableRaisingEvents = true; this.waitingForHexFileStatus(); } private void waitingForHexFileStatus() { this.updateStatus("waiting for .hex file..."); this.trayIcon.ShowBalloonTip(3000, "ready...", "waiting for .hex file...", ToolTipIcon.None); } static bool checkTOU() { var v = (int)Application.UserAppDataRegistry.GetValue("TermOfUse", 0); if (v != 1) { using (var f = new LicenseDialog()) { var r = f.ShowDialog(); if (r != DialogResult.Yes) { Application.Exit(); return false; } } Application.UserAppDataRegistry.SetValue("TermOfUse", 1, RegistryValueKind.DWord); } return true; } delegate void Callback(); private void updateStatus(string value) { Callback a = (Callback)(() => { this.statusLabel.Text = value; this.trayIcon.Text = value; }); this.Invoke(a); } void handleFileEvent(FileSystemEventArgs e) { this.handleFile(e.FullPath); } volatile int copying; void handleFile(string fullPath) { try { // In case this is data-url download, at least Chrome will not rename file, but instead write to it // directly. This mean we may catch it in the act. Let's leave it some time to finish writing. Thread.Sleep(500); var info = new System.IO.FileInfo(fullPath); Trace.WriteLine("download: " + info.FullName); if (info.Extension != ".hex") return; var infoName = info.Name; Trace.WriteLine("download name: " + info.Name); if (!infoName.StartsWith("microbit-", StringComparison.OrdinalIgnoreCase)) return; if (info.Name.EndsWith(".uploaded.hex", StringComparison.OrdinalIgnoreCase)) return; if (info.Length > 1000000) return; // make sure we don't try to copy large files // already copying? if (Interlocked.Exchange(ref this.copying, 1) == 1) return; try { var driveletters = getMicrobitDrives(); List drives = new List(); foreach (var d in driveletters) { drives.Add(d.RootDirectory.FullName); } if (!String.IsNullOrEmpty(customcopypath) && Directory.Exists(customcopypath)) { drives.Add(customcopypath); } if (drives.Count == 0) { this.updateStatus("no board found"); this.trayIcon.ShowBalloonTip(3000, "cancelled uploading...", "no board found", ToolTipIcon.None); return; } this.updateStatus("uploading .hex file"); this.trayIcon.ShowBalloonTip(3000, "uploading...", "uploading .hex file", ToolTipIcon.None); // copy to all boards copyFirmware(info.FullName, drives); // move away hex file var temp = System.IO.Path.ChangeExtension(info.FullName, ".uploaded.hex"); try { File.Copy(info.FullName, temp, true); File.Delete(info.FullName); } catch (IOException) { } catch (NotSupportedException) { } catch (UnauthorizedAccessException) { } catch (ArgumentException) { } // update ui this.updateStatus("uploading done"); this.waitingForHexFileStatus(); } finally { Interlocked.Exchange(ref this.copying, 0); } } catch (IOException) { } catch (NotSupportedException) { } catch (UnauthorizedAccessException) { } catch (ArgumentException) { } } static void copyFirmware(string file, List drives) { var waitHandles = new List(); foreach (var drive in drives) { var ev = new AutoResetEvent(false); waitHandles.Add(ev); ThreadPool.QueueUserWorkItem((state) => { try { var trg = System.IO.Path.Combine(drive, "firmware.hex"); File.Copy(file, trg, true); } catch (IOException) { } catch (NotSupportedException) { } catch (UnauthorizedAccessException) { } catch (ArgumentException) { } ev.Set(); }, ev); } //waits for all the threads (waitHandles) to call the .Set() method //and inform that the execution has finished. WaitHandle.WaitAll(waitHandles.ToArray()); } static DriveInfo[] getMicrobitDrives() { var drives = System.IO.DriveInfo.GetDrives(); var r = new System.Collections.Generic.List(); foreach (var di in drives) { var label = getVolumeLabel(di); if (label.StartsWith("MICROBIT", StringComparison.Ordinal)) r.Add(di); } return r.ToArray(); } static string getVolumeLabel(DriveInfo di) { try { return di.VolumeLabel; } catch (IOException) { } catch (SecurityException) { } catch (UnauthorizedAccessException) { } return ""; } private void trayIcon_Click(object sender, EventArgs e) { this.WindowState = FormWindowState.Minimized; this.WindowState = FormWindowState.Normal; this.Show(); this.Activate(); } private void versionLabel_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) { try { Process.Start("https://codethemicrobit.com/uploader"); } catch (IOException) { } } private void backgroundPictureBox_Click(object sender, EventArgs e) { this.openEditor(); } private void SettingsLabel_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) { var settings = new Settings(customcopypath); settings.ShowDialog(); customcopypath = settings.CustomCopyPath; Application.UserAppDataRegistry.SetValue("CustomDirectory", customcopypath, RegistryValueKind.String); } private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) { this.openEditor(); } private void pictureBox1_Click(object sender, EventArgs e) { this.openEditor(); } } }