protected override void InitializeShell(Window shell)
{
Tracer.Info($"### STARTING {ProductInformation.ApplicationName}, version {ProcessExecutable.AssemblyVersion()}, IsPortable = {SettingsClient.BaseGet<bool>("Configuration", "IsPortable")}, Windows version = {EnvironmentUtils.GetFriendlyWindowsVersion()} ({EnvironmentUtils.GetInternalWindowsVersion()}), IsWindows10 = {Core.Base.Constants.IsWindows10} ###");
// Handler for unhandled AppDomain exceptions
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
this.InitializeWcfServices();
Current.MainWindow = shell;
bool showOobe = SettingsClient.Get <bool>("General", "ShowOobe");
if (showOobe)
{
var oobeWin = Container.Resolve <Oobe>();
// These 2 lines are required to set the RegionManager of the child window.
// If we don't do this, regions on child windows are never known by the Shell
// RegionManager and navigation doesn't work
RegionManager.SetRegionManager(oobeWin, Container.Resolve <IRegionManager>());
RegionManager.UpdateRegions();
// Show the OOBE window. Don't tell the Indexer to start.
// It will get a signal to start when the OOBE window closes.
Tracer.Info("Showing Oobe screen");
// Disable shutdown when the dialogs close
Application.Current.ShutdownMode = ShutdownMode.OnExplicitShutdown;
// Show as a dialog. This prevents further code execution until the dialog is closed.
oobeWin.ShowDialog();
oobeWin.ForceActivate();
}
// Re-enable normal shutdown mode
Current.ShutdownMode = ShutdownMode.OnMainWindowClose;
// Show the main window
Tracer.Info("Showing Main screen");
shell.Show();
// We're not showing the OOBE screen, tell the IndexingService to start.
if (!showOobe)
{
Container.Resolve <IIndexingService>().RefreshCollectionAsync();
}
}
private async Task PerformClosingTasksAsync()
{
LogClient.Info("Performing closing tasks");
this.ShowClosingAnimation();
// Write the settings
// ------------------
LogClient.Info("Writing settings");
SettingsClient.Write();
// Save queued tracks
// ------------------
LogClient.Info("Saving queued tracks");
if (this.playbackService.IsSavingQueuedTracks)
{
while (this.playbackService.IsSavingQueuedTracks)
{
await Task.Delay(50);
}
}
else
{
await this.playbackService.SaveQueuedTracksAsync();
}
// Stop playing
// ------------
LogClient.Info("Stopping playback");
this.playbackService.Stop();
// Update file metadata
// --------------------
LogClient.Info("Updating file metadata");
await this.metadataService.SafeUpdateFileMetadataAsync();
// Save track statistics
// ---------------------
LogClient.Info("Saving playback counters");
if (this.playbackService.IsSavingPlaybackCounters)
{
while (this.playbackService.IsSavingPlaybackCounters)
{
await Task.Delay(50);
}
}
else
{
await this.playbackService.SavePlaybackCountersAsync();
}
LogClient.Info("### STOPPING {0}, version {1} ###", ProductInformation.ApplicationName, ProcessExecutable.AssemblyVersion().ToString());
this.mustPerformClosingTasks = false;
this.Close();
}
protected override void OnStartup(StartupEventArgs e)
{
// Create a jump-list and assign it to the current application
JumpList.SetJumpList(Current, new JumpList());
// Check that there is only one instance of the application running
this.instanceMutex = new Mutex(true, $"{ProductInformation.ApplicationGuid}-{ProcessExecutable.AssemblyVersion()}", out bool isNewInstance);
// Process the command-line arguments
this.ProcessCommandLineArguments(isNewInstance);
if (isNewInstance)
{
this.instanceMutex.ReleaseMutex();
this.LaunchInitializer();
base.OnStartup(e);
}
else
{
// HACK: because shutdown is too fast, some logging might be missing in the log file.
LogClient.Warning("{0} is already running. Shutting down.", ProductInformation.ApplicationName);
this.Shutdown();
}
}
private void ExecuteEmergencyStop(Exception ex)
{
LogClient.Error("Unhandled Exception. {0}", LogClient.GetAllExceptions(ex));
// Close the application to prevent further problems
LogClient.Info("### FORCED STOP of {0}, version {1} ###", ProcessExecutable.Name(), ProcessExecutable.AssemblyVersion().ToString());
// Emergency save of the settings
SettingsClient.Write();
Application.Current.Shutdown();
}
private void ExecuteStartup()
{
LogClient.Info("### STARTING {0}, version {1}, IsPortable = {2}, Windows version = {3} ({4}) ###", ProcessExecutable.Name(), ProcessExecutable.AssemblyVersion().ToString(), SettingsClient.BaseGet <bool>("Configuration", "IsPortable").ToString(), EnvironmentUtils.GetFriendlyWindowsVersion(), EnvironmentUtils.GetInternalWindowsVersion());
// Handler for unhandled AppDomain exceptions
AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
// Create a jumplist and assign it to the current application
JumpList jl = new JumpList();
JumpList.SetJumpList(Application.Current, jl);
// Show the Splash Window
Window splashWin = new Splash();
splashWin.Show();
}
private void ExecuteEmergencyStop(Exception ex)
{
// This is a workaround for a bug in the .Net framework, which randomly causes a System.ArgumentNullException when
// scrolling through a Virtualizing StackPanel. Scroll to playing song sometimes triggers this bug. We catch the
// Exception here, and do nothing with it. The application can just proceed. This prevents a complete crash.
// This might be fixed in .Net 4.5.2. See here: https://connect.microsoft.com/VisualStudio/feedback/details/789438/scrolling-in-virtualized-wpf-treeview-is-very-unstable
if (ex.GetType().ToString().Equals("System.ArgumentNullException") & ex.Source.ToString().Equals("PresentationCore"))
{
LogClient.Warning("Avoided Unhandled Exception: {0}", ex.Message);
return;
}
LogClient.Error("Unhandled Exception. {0}", LogClient.GetAllExceptions(ex));
// Close the application to prevent further problems
LogClient.Info("### FORCED STOP of {0}, version {1} ###", ProductInformation.ApplicationName, ProcessExecutable.AssemblyVersion());
// Stop playing (This avoids remaining processes in Task Manager)
var playbackService = ServiceLocator.Current.GetInstance <IPlaybackService>();
playbackService.Stop();
// Emergency save of the settings
SettingsClient.Write();
Application.Current.Shutdown();
}
private void ExecuteStartup()
{
LogClient.Info($"### STARTING {ProductInformation.ApplicationName}, version {ProcessExecutable.AssemblyVersion()}, IsPortable = {SettingsClient.BaseGet<bool>("Configuration", "IsPortable")}, Windows version = {EnvironmentUtils.GetFriendlyWindowsVersion()} ({EnvironmentUtils.GetInternalWindowsVersion()}), IsWindows10 = {Constants.IsWindows10} ###");
// Handler for unhandled AppDomain exceptions
AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
if (this.IsUpdateNeeded())
{
// Show the Update Window
BorderlessWindows10Window initWin = new Initialize();
initWin.Show();
initWin.ForceActivate();
}
else
{
// Start the bootstrapper
Bootstrapper bootstrapper = new Bootstrapper();
bootstrapper.Run();
}
}
private void Shell_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
LogClient.Info("### STOPPING {0}, version {1} ###", ProductInformation.ApplicationDisplayName, ProcessExecutable.AssemblyVersion().ToString());
// Prevent saving the size when the window is minimized.
// When minimized, the actual size is not detected correctly,
// which causes a too small size to be saved.
if (!(this.WindowState == WindowState.Minimized))
{
if (this.WindowState == WindowState.Maximized)
{
SettingsClient.Set <bool>("General", "IsMaximized", true);
}
else
{
SettingsClient.Set <bool>("General", "IsMaximized", false);
// TODO: make tis better. Workaround for bug "MainWindow opens with size 0 px"
if (this.ActualWidth > 50 & this.ActualHeight > 50)
{
SettingsClient.Set <int>("General", "Width", (int)this.ActualWidth);
SettingsClient.Set <int>("General", "Height", (int)this.ActualHeight);
}
else
{
SettingsClient.Set <int>("General", "Width", Defaults.DefaultMainWindowWidth);
SettingsClient.Set <int>("General", "Height", Defaults.DefaultMainWindowHeight);
}
SettingsClient.Set <int>("General", "Top", (int)this.Top);
SettingsClient.Set <int>("General", "Left", (int)this.Left);
}
// Save the settings immediately
SettingsClient.Write();
}
this.noteService.CloseAllNoteWindows();
}
private void ShowErrorDetails()
{
DateTime currentTime = DateTime.Now;
string currentTimeString = currentTime.Year.ToString() + currentTime.Month.ToString() + currentTime.Day.ToString() + currentTime.Hour.ToString() + currentTime.Minute.ToString() + currentTime.Second.ToString() + currentTime.Millisecond.ToString();
string path = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), ProcessExecutable.Name() + "_" + currentTimeString + ".txt");
System.IO.File.WriteAllText(path, this.errorMessage);
System.Diagnostics.Process.Start(path);
}
private async void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (SettingsClient.Get <bool>("Behaviour", "ShowTrayIcon") &
SettingsClient.Get <bool>("Behaviour", "CloseToTray") &
!this.isShuttingDown)
{
e.Cancel = true;
// Minimize first, then hide from Taskbar. Otherwise a small window
// remains visible in the lower left corner of the screen.
this.WindowState = WindowState.Minimized;
// When closing to tray, hide this window from Taskbar and ALT-TAB menu.
this.ShowInTaskbar = false;
try
{
WindowUtils.HideWindowFromAltTab(this);
}
catch (Exception ex)
{
LogClient.Error("Could not hide main window from ALT-TAB menu. Exception: {0}", ex.Message);
}
}
else
{
LogClient.Info("### STOPPING {0}, version {1} ###", ProductInformation.ApplicationName, ProcessExecutable.AssemblyVersion().ToString());
if (this.lifetimeService.MustPerformClosingTasks)
{
e.Cancel = true;
await this.lifetimeService.PerformClosingTasksAsync();
this.Close();
}
}
}
private void Window_Closed(object sender, System.EventArgs e)
{
// Stop monitoring tablet mode
this.windowsIntegrationService.StopMonitoringTabletMode();
// Make sure the Tray icon is removed from the tray
this.trayIcon.Visible = false;
// Stop listening to keyboard outside the application
this.win32InputService.UnhookKeyboard();
// This makes sure the application doesn't keep running when the main window is closed.
// Extra windows created by the main window can keep a WPF application running even when
// the main window is closed, because the default ShutDownMode of a WPF application is
// OnLastWindowClose. This was happening here because of the Mini Player Playlist.
Application.Current.Shutdown();
LogClient.Info("### STOPPED {0}, version {1} ###", ProductInformation.ApplicationName, ProcessExecutable.AssemblyVersion().ToString());
}
private void ExecuteStartup()
{
LogClient.Info("### STARTING {0}, version {1}, IsPortable = {2}, Windows version = {3} ({4}) ###", ProductInformation.ApplicationName, ProcessExecutable.AssemblyVersion(), SettingsClient.BaseGet <bool>("Configuration", "IsPortable"), EnvironmentUtils.GetFriendlyWindowsVersion(), EnvironmentUtils.GetInternalWindowsVersion());
// Handler for unhandled AppDomain exceptions
AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
// Show the Splash Window
Window splashWin = new Splash();
splashWin.Show();
}
protected override void InitializeShell(Window shell)
{
LogClient.Info($"### STARTING {ProductInformation.ApplicationName}, version {ProcessExecutable.AssemblyVersion()}, IsPortable = {SettingsClient.BaseGet<bool>("Configuration", "IsPortable")}, Windows version = {EnvironmentUtils.GetFriendlyWindowsVersion()} ({EnvironmentUtils.GetInternalWindowsVersion()}), IsWindows10 = {Core.Base.Constants.IsWindows10} ###");
// Handler for unhandled AppDomain exceptions
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
var initializer = new Initializer();
if (initializer.IsMigrationNeeded())
{
// Show the Update Window
var initWin = new Initialize();
initWin.ShowDialog();
initWin.ForceActivate();
}
this.InitializeWcfServices();
Application.Current.MainWindow = shell;
if (SettingsClient.Get <bool>("General", "ShowOobe"))
{
var oobeWin = Container.Resolve <Oobe>();
// These 2 lines are required to set the RegionManager of the child window.
// If we don't do this, regions on child windows are never known by the Shell
// RegionManager and navigation doesn't work
RegionManager.SetRegionManager(oobeWin, Container.Resolve <IRegionManager>());
RegionManager.UpdateRegions();
// Show the OOBE window. Don't tell the Indexer to start.
// It will get a signal to start when the OOBE window closes.
LogClient.Info("Showing Oobe screen");
oobeWin.ShowDialog();
oobeWin.ForceActivate();
}
LogClient.Info("Showing Main screen");
Application.Current.MainWindow.Show();
// We're not showing the OOBE screen, tell the IndexingService to start.
Container.Resolve <IIndexingService>().RefreshCollectionAsync();
}
private void TrayIconContextMenuExit_Click(object sender, RoutedEventArgs e)
{
LogClient.Info("### STOPPING {0}, version {1} ###", ProductInformation.ApplicationDisplayName, ProcessExecutable.AssemblyVersion().ToString());
this.isShuttingDown = true;
this.Close();
}
private void ExecuteEmergencyStop(Exception ex)
{
// This is a workaround for a bug in the .Net framework, which randomly causes a System.ArgumentNullException when
// scrolling through a Virtualizing StackPanel. Scroll to playing song sometimes triggers this bug. We catch the
// Exception here, and do nothing with it. The application can just proceed. This prevents a complete crash.
// This might be fixed in .Net 4.5.2. See here: https://connect.microsoft.com/VisualStudio/feedback/details/789438/scrolling-in-virtualized-wpf-treeview-is-very-unstable
if (ex.GetType().ToString().Equals("System.ArgumentNullException") & ex.Source.ToString().Equals("PresentationCore"))
{
if (this.CanLogUnhandledException())
{
Tracer.Warn($"Ignored Unhandled Exception: {ex.Message}");
}
return;
}
// This is a workaround for an inexplicable issue which occurs on 1 user's computer (as far as I know).
// Exception "System.ComponentModel.Win32Exception (0x80004005): Access is denied" is thrown when performing
// function "MS.Win32.UnsafeNativeMethods.GetWindowText(HandleRef hWnd, StringBuilder lpString, Int32 nMaxCount)"
if (ex.GetType().ToString().Equals("System.ComponentModel.Win32Exception") & ex.Source.ToString().Equals("WindowsBase"))
{
if (this.CanLogUnhandledException())
{
Tracer.Warn($"Ignored Unhandled Exception: {ex.Message}");
}
return;
}
// This is a workaround for an exception which occurs when using Dopamine together with WinDock (https://www.ivanyu.ca/windock)
// Unhandled Exception. Exception: System.OverflowException: Arithmetic operation resulted in an overflow.
// at System.Windows.Shell.WindowChromeWorker._HandleNCHitTest(WM uMsg, IntPtr wParam, IntPtr lParam, Boolean & handled)
// at System.Windows.Shell.WindowChromeWorker._WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean & handled)
if (ex.GetType().ToString().Equals("System.OverflowException") & ex.Source.ToString().Equals("PresentationFramework"))
{
if (this.CanLogUnhandledException())
{
Tracer.Warn($"Ignored Unhandled Exception: {ex.Message}");
}
return;
}
// Tracer.Warn($"Ignored Unhandled Exception: Message=<<<<{ex.Message}>>>>");
// Tracer.Warn($"Ignored Unhandled Exception: Type=<<<<{ex.GetType().ToString()}>>>>");
// Tracer.Warn($"Ignored Unhandled Exception: Source=<<<<{ex.Source.ToString()}>>>>");
// return;
//L Tracer.Error("Unhandled Exception. {0}", LogClient.GetAllExceptions(ex));
// Close the application to prevent further problems
Tracer.Info("### FORCED STOP of {0}, version {1} ###", ProductInformation.ApplicationName, ProcessExecutable.AssemblyVersion());
// Stop playing (This avoids remaining processes in Task Manager)
var playbackService = ServiceLocator.Current.GetInstance <IPlaybackService>();
playbackService.Stop();
// Emergency save of the settings
SettingsClient.Write();
Current.Shutdown();
}
private async Task CheckForUpdatesAsync()
{
// Indicate for the rest of the class that we are checking for updates
// -------------------------------------------------------------------
this.checkingForUpdates = true;
// We start checking for updates: stop the timer
// ---------------------------------------------
this.checkNewVersionTimer.Stop();
// Get the current version
// -----------------------
var currentVersion = this.CreateDummyPackage(ProcessExecutable.AssemblyVersion());
LogClient.Info("Update check: current version = {0}", currentVersion.Version.ToString());
// Get the latest version online
// -----------------------------
if (!this.canCheckForUpdates)
{
return; // Stop here if the update check was disabled while we were running
}
Package latestOnlineVersion = await this.GetLatestOnlineVersionAsync();
LogClient.Info("Update check: latest online version = {0}.{1}.{2}.{3}", latestOnlineVersion.Version.Major.ToString(), latestOnlineVersion.Version.Minor.ToString(), latestOnlineVersion.Version.Build.ToString(), latestOnlineVersion.Version.Revision.ToString());
// Compare the versions
// --------------------
if (currentVersion.IsOlder(latestOnlineVersion))
{
if (this.automaticDownload)
{
// Automatic download is enabled
// -----------------------------
// Define the name of the file to which we will download the update
string updatePackageExtractedDirectoryFullPath = Path.Combine(this.updatesSubDirectory, latestOnlineVersion.Filename);
string updatePackageDownloadedFileFullPath = Path.Combine(this.updatesSubDirectory, latestOnlineVersion.Filename + latestOnlineVersion.UpdateFileExtension);
// Check if there is a directory with the name of the update package:
// that means the file was already downloaded and extracted.
if (Directory.Exists(updatePackageExtractedDirectoryFullPath))
{
// The folder exists, that means that the new version was already extracted previously.
// Raise an event that a new version is available for installation.
if (this.canCheckForUpdates)
{
this.NewDownloadedVersionAvailable(latestOnlineVersion, updatePackageExtractedDirectoryFullPath);
}
}
else
{
// Check if there is a package with the name of the update package: that would mean the update was already downloaded.
if (!this.IsDownloadedPackageAvailable(updatePackageDownloadedFileFullPath))
{
// No package available yet: download it.
OperationResult downloadResult = await this.DownloadAsync(latestOnlineVersion, updatePackageDownloadedFileFullPath);
if (downloadResult.Result)
{
OperationResult processResult = await this.ProcessDownloadedPackageAsync();
if (processResult.Result)
{
// Processing the downloaded file was successful. Raise an event that a new version is available for installation.
if (this.canCheckForUpdates)
{
this.NewDownloadedVersionAvailable(latestOnlineVersion, updatePackageExtractedDirectoryFullPath);
}
}
else
{
// Processing the downloaded file failed. Log the failure reason.
LogClient.Error("Update check: could not process downloaded files. User is notified that there is a new version online. Exception: {0}", processResult.GetFirstMessage());
// Raise an event that there is a new version available online.
if (this.canCheckForUpdates)
{
this.NewOnlineVersionAvailable(latestOnlineVersion);
}
}
}
else
{
// Downloading failed: log the failure reason.
LogClient.Error("Update check: could not download the file. Exception: {0}", downloadResult.GetFirstMessage());
}
}
else
{
OperationResult extractResult = this.ExtractDownloadedPackage(updatePackageDownloadedFileFullPath);
if (extractResult.Result)
{
// Extracting was successful. Raise an event that a new version is available for installation.
if (this.canCheckForUpdates)
{
this.NewDownloadedVersionAvailable(latestOnlineVersion, updatePackageExtractedDirectoryFullPath);
}
}
else
{
// Extracting failed: log the failure reason.
LogClient.Error("Update check: could not extract the package. Exception: {0}", extractResult.GetFirstMessage());
}
}
}
}
else
{
// Automatic download is not enabled
// ---------------------------------
// Raise an event that a New version Is available for download
if (this.canCheckForUpdates)
{
this.NewOnlineVersionAvailable(latestOnlineVersion);
}
}
}
else
{
this.NoNewVersionAvailable(latestOnlineVersion);
LogClient.Info("Update check: no newer version was found.");
}
// Indicate for the rest of the class that we have finished checking for updates
// -----------------------------------------------------------------------------
this.checkingForUpdates = false;
// We're finished checking for updates: start the timer
// ----------------------------------------------------
this.checkNewVersionTimer.Start();
}
protected override void OnStartup(StartupEventArgs e)
{
Tracer.Info2(InfraColor.White, InfraColor.DarkBlue, "**** Starting App ******");
// Create a jump-list and assign it to the current application
JumpList.SetJumpList(Current, new JumpList());
// Check that there is only one instance of the application running
this.instanceMutex = new Mutex(true, $"{ProductInformation.ApplicationGuid}-{ProcessExecutable.AssemblyVersion()}", out bool isNewInstance);
// Process the command-line arguments
this.ProcessCommandLineArguments(isNewInstance);
if (isNewInstance)
{
this.instanceMutex.ReleaseMutex();
this.LaunchInitializer();
base.OnStartup(e);
TheProgram.Program.SetPlaybackService(Container.Resolve <IPlaybackService>());
}
else
{
// HACK: because shutdown is too fast, some logging might be missing in the log file.
Tracer.Warn("{0} is already running. Shutting down.", ProductInformation.ApplicationName);
this.Shutdown();
}
}
private async void CheckNow()
{
if (this.isDismissed)
{
return;
}
LogClient.Info("Checking for updates");
this.canCheck = true;
// Get the current version
var currentVersion = this.CreateDummyPackage(ProcessExecutable.AssemblyVersion());
LogClient.Info("Update check: current version = {0}", currentVersion.Version);
// Get a new version online
if (!this.canCheck)
{
return; // Stop here if the update check was disabled
}
Package newOnlineVersion = await this.GetNewVersionAsync(currentVersion);
LogClient.Info("Update check: new online version = {0}.{1}.{2}.{3}", newOnlineVersion.UnformattedVersion);
// Check if the online version is valid
if (this.IsValidVersion(newOnlineVersion.Version))
{
bool automaticDownload = SettingsClient.Get <bool>("Updates", "AutomaticDownload") & !SettingsClient.Get <bool>("Configuration", "IsPortable");
if (automaticDownload) // Automatic download is enabled
{
// Define the name of the file to which we will download the update
string updatePackageExtractedDirectoryFullPath = Path.Combine(this.updatesSubDirectory, newOnlineVersion.Filename);
string updatePackageDownloadedFileFullPath = Path.Combine(this.updatesSubDirectory, newOnlineVersion.Filename + newOnlineVersion.UpdateFileExtension);
// Check if there is a directory with the name of the update package:
// that means the file was already downloaded and extracted.
if (Directory.Exists(updatePackageExtractedDirectoryFullPath))
{
// The folder exists, that means that the new version was already extracted previously.
if (this.canCheck)
{
// Raise an event that a new version is available for installation.
this.NewVersionAvailable(this, new UpdateAvailableEventArgs()
{
UpdatePackage = newOnlineVersion,
UpdatePackageLocation = updatePackageExtractedDirectoryFullPath
});
}
}
else
{
// Check if there is a package with the name of the update package: that would mean the update was already downloaded.
if (!this.IsDownloadedPackageAvailable(updatePackageDownloadedFileFullPath))
{
// No package available yet: download it.
OperationResult downloadResult = await this.DownloadAsync(newOnlineVersion, updatePackageDownloadedFileFullPath);
if (downloadResult.Result)
{
OperationResult processResult = await this.ProcessDownloadedPackageAsync();
if (processResult.Result)
{
// Processing the downloaded file was successful. Raise an event that a new version is available for installation.
if (this.canCheck)
{
this.NewVersionAvailable(this, new UpdateAvailableEventArgs()
{
UpdatePackage = newOnlineVersion,
UpdatePackageLocation = updatePackageExtractedDirectoryFullPath
});
}
}
else
{
// Processing the downloaded file failed. Log the failure reason.
LogClient.Error("Update check: could not process downloaded files. User is notified that there is a new version online. Exception: {0}", processResult.GetFirstMessage());
// Raise an event that there is a new version available online.
if (this.canCheck)
{
this.NewVersionAvailable(this, new UpdateAvailableEventArgs()
{
UpdatePackage = newOnlineVersion,
UpdatePackageLocation = updatePackageExtractedDirectoryFullPath
});
}
}
}
else
{
// Downloading failed: log the failure reason.
LogClient.Error("Update check: could not download the file. Exception: {0}", downloadResult.GetFirstMessage());
// Downloading failed, but we want the user to know that there is a new version.
if (this.canCheck)
{
this.NewVersionAvailable(this, new UpdateAvailableEventArgs()
{
UpdatePackage = newOnlineVersion
});
}
}
}
else
{
OperationResult extractResult = this.ExtractDownloadedPackage(updatePackageDownloadedFileFullPath);
if (extractResult.Result)
{
// Extracting was successful. Raise an event that a new version is available for installation.
if (this.canCheck)
{
this.NewVersionAvailable(this, new UpdateAvailableEventArgs()
{
UpdatePackage = newOnlineVersion,
UpdatePackageLocation = updatePackageExtractedDirectoryFullPath
});
}
}
else
{
// Extracting failed: log the failure reason.
LogClient.Error("Update check: could not extract the package. Exception: {0}", extractResult.GetFirstMessage());
}
}
}
}
else // Automatic download is not enabled
{
// Raise an event that a new version Is available for download
if (this.canCheck)
{
this.NewVersionAvailable(this, new UpdateAvailableEventArgs()
{
UpdatePackage = newOnlineVersion
});
}
}
}
else
{
this.NoNewVersionAvailable(this, new EventArgs());
LogClient.Info("No new version was found");
}
if (SettingsClient.Get <bool>("Updates", "CheckPeriodically"))
{
this.EnablePeriodicCheck();
}
}
protected override void OnStartup(StartupEventArgs e)
{
base.OnStartup(e);
// Create a jump-list and assign it to the current application
JumpList.SetJumpList(Application.Current, new JumpList());
// Check that there is only one instance of the application running
bool isNewInstance = false;
instanceMutex = new Mutex(true, string.Format("{0}-{1}", ProductInformation.ApplicationGuid, ProcessExecutable.AssemblyVersion()), out isNewInstance);
// Process the command-line arguments
this.ProcessCommandLineArguments(isNewInstance);
if (isNewInstance)
{
instanceMutex.ReleaseMutex();
this.ExecuteStartup();
}
else
{
LogClient.Warning("{0} is already running. Shutting down.", ProductInformation.ApplicationName);
this.Shutdown();
}
}
private void ExecuteEmergencyStop(Exception ex)
{
// This is a workaround for a bug in the .Net framework, which randomly causes a System.ArgumentNullException when
// scrolling through a Virtualizing StackPanel. Scroll to playing song sometimes triggers this bug. We catch the
// Exception here, and do nothing with it. The application can just proceed. This prevents a complete crash.
// This might be fixed in .Net 4.5.2. See here: https://connect.microsoft.com/VisualStudio/feedback/details/789438/scrolling-in-virtualized-wpf-treeview-is-very-unstable
if (ex.GetType().ToString().Equals("System.ArgumentNullException") & ex.Source.ToString().Equals("PresentationCore"))
{
LogClient.Warning($"Ignored Unhandled Exception: {ex.Message}");
return;
}
// This is a workaround for an exception which is thrown on a select number of systems.
// This is the exception: System.ComponentModel.Win32Exception (0x80004005): Access is denied
// at MS.Win32.UnsafeNativeMethods.GetWindowText(HandleRef hWnd, StringBuilder lpString, Int32 nMaxCount)
// The cause of the exception is unknown. Most likely this is due to an external factor.
if (ex.GetType().ToString().Equals("System.ComponentModel.Win32Exception") & ex.Message.Contains("MS.Win32.UnsafeNativeMethods.GetWindowText"))
{
LogClient.Warning($"Ignored Unhandled Exception: {ex.Message}");
return;
}
LogClient.Error("Unhandled Exception. {0}", LogClient.GetAllExceptions(ex));
// Close the application to prevent further problems
LogClient.Info("### FORCED STOP of {0}, version {1} ###", ProductInformation.ApplicationName, ProcessExecutable.AssemblyVersion());
// Stop playing (This avoids remaining processes in Task Manager)
var playbackService = ServiceLocator.Current.GetInstance <IPlaybackService>();
playbackService.Stop();
// Emergency save of the settings
SettingsClient.Write();
Current.Shutdown();
}
