UpdateNotifier with balloon tip now works.

src/AddIns/Misc/AddInManager2/Project/AddInManager2.addin

@@ -15,7 +15,7 @@
 	<Path name = "/SharpDevelop/Workbench/Tools">
 		<MenuItem id="ShowAddInManager2"
 		          label="${res:AddInManager.Title}"
-		          class="ICSharpCode.AddInManager2.ShowCommand"/>
+		          class="ICSharpCode.AddInManager2.ShowAddInManagerCommand"/>
 	</Path>
 	
 	<!-- Option dialog -->
@@ -36,4 +36,8 @@
 		<Class id    = "AddInManagerInitialization"
 		       class = "ICSharpCode.AddInManager2.AddInManagerInitializationCommand"/>
 	</Path>
+	<Path name = "/SharpDevelop/Workbench/AutostartAfterWorkbenchInitialized">
+		<Class id    = "AddInManagerVisualInitialization"
+		       class = "ICSharpCode.AddInManager2.AddInManagerVisualInitializationCommand"/>
+	</Path>
 </AddIn>

src/AddIns/Misc/AddInManager2/Project/AddInManager2.csproj

@@ -116,6 +116,7 @@
     <Compile Include="Src\Model\AddInManagerEvents.cs" />
     <Compile Include="Src\Model\AddInOperationErrorEventArgs.cs" />
     <Compile Include="Src\Model\NuGetPackageOperationEventArgs.cs" />
+    <Compile Include="Src\Model\PackageListDownloadEndedEventArgs.cs" />
     <Compile Include="Src\Model\PackageMessageLoggedEventArgs.cs" />
     <Compile Include="Src\Model\PackageRepositories.cs" />
     <Compile Include="Src\Model\PackageRepository.cs" />

src/AddIns/Misc/AddInManager2/Project/Src/Commands.cs

@@ -7,24 +7,16 @@ using ICSharpCode.AddInManager2.View;
 
 namespace ICSharpCode.AddInManager2
 {
-	public class ShowCommand : SimpleCommand
+	public class ShowAddInManagerCommand : SimpleCommand
 	{
 		public override void Execute(object parameter)
 		{
 			// Open AddInManager2 main dialog
-			using (AddInManagerView view = CreateManagerView())
+			using (AddInManagerView view = AddInManagerView.Create())
 			{
 				view.ShowDialog();
 			}
 		}
-		
-		private AddInManagerView CreateManagerView()
-		{
-			return new AddInManagerView()
-			{
-				Owner = SD.Workbench.MainWindow
-			};
-		}
 	}
 	
 	public class AddInManagerInitializationCommand : SimpleCommand
@@ -35,4 +27,14 @@ namespace ICSharpCode.AddInManager2
 			AddInManagerServices.Setup.RemoveUnreferencedNuGetPackages();
 		}
 	}
+	
+	public class AddInManagerVisualInitializationCommand : SimpleCommand
+	{
+		public override void Execute(object parameter)
+		{
+			// Initialize UpdateNotifier and let it check for available updates
+			UpdateNotifier updateNotifier = new UpdateNotifier();
+			updateNotifier.StartUpdateLookup();
+		}
+	}
 }

src/AddIns/Misc/AddInManager2/Project/Src/Model/AddInManagerEvents.cs

@@ -32,6 +32,37 @@ namespace ICSharpCode.AddInManager2.Model
 			}
 		}
 		
+		public event EventHandler AddInManagerViewOpened;
+		
+		public void OnAddInManagerViewOpened(EventArgs e)
+		{
+			if (AddInManagerViewOpened != null)
+			{
+				SD.Log.DebugFormatted("[AddInManager2.Events] AddInManagerView opened.");
+				AddInManagerViewOpened(this, e);
+			}
+		}
+		
+		public void OnAddInManagerViewOpened()
+		{
+			if (AddInManagerViewOpened != null)
+			{
+				SD.Log.DebugFormatted("[AddInManager2.Events] AddInManagerView opened.");
+				AddInManagerViewOpened(this, new EventArgs());
+			}
+		}
+		
+		public event EventHandler<PackageListDownloadEndedEventArgs> PackageListDownloadEnded;
+		
+		public void OnPackageListDownloadEnded(object sender, PackageListDownloadEndedEventArgs e)
+		{
+			if (PackageListDownloadEnded != null)
+			{
+				SD.Log.DebugFormatted("[AddInManager2.Events] Package list download ended (success: {0}).", e.WasSuccessful);
+				PackageListDownloadEnded(sender, e);
+			}
+		}
+		
 		public event EventHandler<AddInInstallationEventArgs> AddInInstalled;
 		
 		public void OnAddInInstalled(AddInInstallationEventArgs e)

src/AddIns/Misc/AddInManager2/Project/Src/Model/Interfaces/IAddInManagerEvents.cs

@@ -15,6 +15,13 @@ namespace ICSharpCode.AddInManager2.Model
 		void OnOperationStarted(EventArgs e);
 		void OnOperationStarted();
 		
+		event EventHandler AddInManagerViewOpened;
+		void OnAddInManagerViewOpened(EventArgs e);
+		void OnAddInManagerViewOpened();
+		
+		event EventHandler<PackageListDownloadEndedEventArgs> PackageListDownloadEnded;
+		void OnPackageListDownloadEnded(object sender, PackageListDownloadEndedEventArgs e);
+		
 		event EventHandler<AddInInstallationEventArgs> AddInInstalled;
 		void OnAddInInstalled(AddInInstallationEventArgs e);
 		

src/AddIns/Misc/AddInManager2/Project/Src/Model/PackageListDownloadEndedEventArgs.cs

@@ -0,0 +1,28 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+
+namespace ICSharpCode.AddInManager2.Model
+{
+	public class PackageListDownloadEndedEventArgs : EventArgs
+	{
+		public PackageListDownloadEndedEventArgs(bool wasSuccessful, bool wasCancelled)
+		{
+			this.WasSuccessful = wasSuccessful;
+			this.WasCancelled = wasCancelled;
+		}
+		
+		public bool WasSuccessful
+		{
+			get;
+			set;
+		}
+		
+		public bool WasCancelled
+		{
+			get;
+			set;
+		}
+	}
+}

src/AddIns/Misc/AddInManager2/Project/Src/UpdateNotifier.cs

@@ -2,10 +2,14 @@
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
 using System;
+using System.Drawing;
 using System.Linq;
+using System.Reflection;
+using System.Windows.Forms;
 using ICSharpCode.SharpDevelop;
 using ICSharpCode.AddInManager2.Model;
 using ICSharpCode.AddInManager2.ViewModel;
+using ICSharpCode.AddInManager2.View;
 
 namespace ICSharpCode.AddInManager2
 {
@@ -17,6 +21,9 @@ namespace ICSharpCode.AddInManager2
 		private IAddInManagerServices _services;
 		private UpdatedAddInsViewModel _updatedAddInViewModel;
 		private bool _isDetached;
+		private NotifyIcon _notifyIcon;
+		private bool _hasNotified;
+		private PackageRepository _firstRepositoryWithUpdates;
 		
 		public UpdateNotifier()
 			: this(AddInManagerServices.Services)
@@ -28,38 +35,106 @@ namespace ICSharpCode.AddInManager2
 			_isDetached = false;
 			_services = services;
 			_updatedAddInViewModel = new UpdatedAddInsViewModel(services);
-			_updatedAddInViewModel.PackageListDownloadEnded += UpdatedAddInViewModel_PackageListDownloadEnded;
+			_services.Events.PackageListDownloadEnded += Events_PackageListDownloadEnded;
 		}
 		
-		public void Detach()
+		private void NotifyIcon_Click(object sender, EventArgs e)
+		{
+			// Remove the notify icon
+			DestroyIcon();
+			
+			// Show AddInManager window on click
+			using (AddInManagerView view = AddInManagerView.Create())
+			{
+				var viewModel = view.ViewModel;
+				if (viewModel != null)
+				{
+					// Activate update view explicitly
+					viewModel.UpdatedAddInsViewModel.IsExpandedInView = true;
+					var firstRepositoryWithUpdates =
+						viewModel.UpdatedAddInsViewModel.PackageRepositories.FirstOrDefault(pr => pr.SourceUrl == _firstRepositoryWithUpdates.SourceUrl);
+					if (firstRepositoryWithUpdates != null)
+					{
+						// Directly go to first repository containing an update
+						viewModel.UpdatedAddInsViewModel.SelectedPackageSource = firstRepositoryWithUpdates;
+					}
+				}
+				_firstRepositoryWithUpdates = null;
+				view.ShowDialog();
+			}
+		}
+		
+		private void DestroyIcon()
+		{
+			if (_notifyIcon != null)
+			{
+				_notifyIcon.Dispose();
+				_notifyIcon = null;
+				
+				_services.Events.AddInManagerViewOpened -= Events_AddInManagerViewOpened;
+			}
+		}
+		
+		private void Detach()
 		{
 			if (!_isDetached)
 			{
-				_updatedAddInViewModel.PackageListDownloadEnded -= UpdatedAddInViewModel_PackageListDownloadEnded;
+				_services.Events.PackageListDownloadEnded -= Events_PackageListDownloadEnded;
 				_isDetached = true;
 			}
 		}
 		
 		public void StartUpdateLookup()
 		{
-			if (!_isDetached)
+			if (!_isDetached && !_hasNotified)
 			{
 				// Start getting updates
 				_updatedAddInViewModel.ReadPackages();
 			}
 		}
 		
-		public void UpdatedAddInViewModel_PackageListDownloadEnded(object sender, EventArgs e)
+		private void Events_AddInManagerViewOpened(object sender, EventArgs e)
+		{
+			// AddInManager dialog has been opened through menu, not through the NotifyIcon -> hide the icon
+			DestroyIcon();
+		}
+		
+		private void Events_PackageListDownloadEnded(object sender, PackageListDownloadEndedEventArgs e)
 		{
+			if (sender != _updatedAddInViewModel)
+			{
+				return;
+			}
+			
+			if (e.WasCancelled)
+			{
+				return;
+			}
+			
 			// Do we have any new updates? Collect this information from all configured repositories
-			var allRepositories = _updatedAddInViewModel.PackageRepositories;
-			if (allRepositories != null)
+			if (e.WasSuccessful)
 			{
-				if (allRepositories.Any(rep => rep.HasHighlightCount))
+				_firstRepositoryWithUpdates = _updatedAddInViewModel.PackageRepositories.FirstOrDefault(pr => pr.HasHighlightCount);
+				if (_firstRepositoryWithUpdates != null)
 				{
-					// TODO There must be updates, show an update notification
+					// There must be updates, show an update notification
+					_hasNotified = true;
 					Detach();
-					SD.MessageService.ShowWarning("There are updates!");
+					
+					_services.Events.AddInManagerViewOpened += Events_AddInManagerViewOpened;
+					
+					_notifyIcon = new NotifyIcon();
+					_notifyIcon.Icon = Icon.ExtractAssociatedIcon(Assembly.GetEntryAssembly().Location);
+					_notifyIcon.Click += NotifyIcon_Click;
+					_notifyIcon.BalloonTipClicked += NotifyIcon_Click;
+					
+					_notifyIcon.Text = "Updates for SharpDevelop are available";
+					_notifyIcon.BalloonTipTitle = "Updates for SharpDevelop are available";
+					_notifyIcon.BalloonTipText = "Click here to see the updates";
+					
+					_notifyIcon.Visible = true;
+					_notifyIcon.ShowBalloonTip(40000);
+					
 					return;
 				}
 			}

src/AddIns/Misc/AddInManager2/Project/Src/View/AddInManagerView.xaml.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Windows;
+using ICSharpCode.SharpDevelop;
 using ICSharpCode.AddInManager2.ViewModel;
 
 namespace ICSharpCode.AddInManager2.View
@@ -16,6 +17,26 @@ namespace ICSharpCode.AddInManager2.View
 			ICSharpCode.SharpDevelop.Gui.FormLocationHelper.ApplyWindow(this, "AddInManager2.WindowBounds", true);
 		}
 		
+		/// <summary>
+		/// Creates a new <see cref="ICSharpCode.AddInManager2.View.AddInManagerView"/> instance.
+		/// </summary>
+		/// <returns>New <see cref="ICSharpCode.AddInManager2.View.AddInManagerView"/> instance.</returns>
+		public static AddInManagerView Create()
+		{
+			return new AddInManagerView()
+			{
+				Owner = SD.Workbench.MainWindow
+			};
+		}
+		
+		public AddInManagerViewModel ViewModel
+		{
+			get
+			{
+				return DataContext as AddInManagerViewModel;
+			}
+		}
+		
 		public void Dispose()
 		{
 			var viewModel = DataContext as AddInManagerViewModel;

src/AddIns/Misc/AddInManager2/Project/Src/ViewModel/AddInManagerViewModel.cs

@@ -59,6 +59,8 @@ namespace ICSharpCode.AddInManager2.ViewModel
 				viewModel.PropertyChanged += ViewModel_PropertyChanged;
 			}
 			
+			AddInManager.Events.OnAddInManagerViewOpened();
+			
 			// Expand the first view
 			InstalledAddInsViewModel.IsExpandedInView = true;
 			

src/AddIns/Misc/AddInManager2/Project/Src/ViewModel/AddInsViewModelBase.cs

@@ -494,7 +494,7 @@ namespace ICSharpCode.AddInManager2.ViewModel
 			}
 			set
 			{
-				SD.Log.Debug("[AddInManager2] AddInsViewModelBase: Changed package source");
+				SD.Log.DebugFormatted("[AddInManager2] AddInsViewModelBase: Changed package source to {0}", (value != null) ? value.Name : "<null>");
 				
 				_activePackageSource = value;
 				if (_activePackageSource != null)

src/AddIns/Misc/AddInManager2/Project/Src/ViewModel/NuGetAddInsViewModelBase.cs

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
 using System.Linq;
+using ICSharpCode.SharpDevelop;
 using ICSharpCode.AddInManager2.Model;
 using NuGet;
 
@@ -18,8 +19,6 @@ namespace ICSharpCode.AddInManager2.ViewModel
 		private AddInManagerTask<ReadPackagesResult> _task;
 		private IEnumerable<IPackage> _allPackages;
 		
-		public event EventHandler PackageListDownloadEnded;
-		
 		public NuGetAddInsViewModelBase()
 			: base()
 		{
@@ -73,8 +72,8 @@ namespace ICSharpCode.AddInManager2.ViewModel
 		private void CreateReadPackagesTask()
 		{
 			_task = AddInManagerTask.Create(
-				() => GetPackagesForSelectedPageResult(),
-				(result) => OnPackagesReadForSelectedPage(result));
+				GetPackagesForSelectedPageResult,
+				OnPackagesReadForSelectedPage);
 //			SD.Log.Debug("[AddInManager2] NuGetAddInsViewModelBase: Created task");
 		}
 		
@@ -89,6 +88,8 @@ namespace ICSharpCode.AddInManager2.ViewModel
 //			SD.Log.Debug("[AddInManager2] NuGetAddInsViewModelBase: Task has returned");
 			
 			IsReadingPackages = false;
+			bool wasSuccessful = false;
+			bool wasCancelled = false;
 			if (task.IsFaulted)
 			{
 				SaveError(task.Exception);
@@ -97,14 +98,17 @@ namespace ICSharpCode.AddInManager2.ViewModel
 			{
 				// Ignore
 //				SD.Log.Debug("[AddInManager2] NuGetAddInsViewModelBase: Task ignored, because cancelled");
+				wasCancelled = true;
 			}
 			else
 			{
+//				SD.Log.Debug("[AddInManager2] NuGetAddInsViewModelBase: Task successfully finished.");
 				UpdatePackagesForSelectedPage(task.Result);
+				wasSuccessful = true;
 			}
 			
 			base.OnPropertyChanged(null);
-			OnPackageListDownloadEnded();
+			AddInManager.Events.OnPackageListDownloadEnded(this, new PackageListDownloadEndedEventArgs(wasSuccessful, wasCancelled));
 		}
 
 		private void UpdatePackagesForSelectedPage(ReadPackagesResult result)
@@ -230,13 +234,5 @@ namespace ICSharpCode.AddInManager2.ViewModel
 				}
 			}
 		}
-		
-		private void OnPackageListDownloadEnded()
-		{
-			if (PackageListDownloadEnded != null)
-			{
-				PackageListDownloadEnded(this, new EventArgs());
-			}
-		}
 	}
 }