[Ide] Unregister PinClicked event in WelcomePageRecentProjectsList

event.

1 files changed, 43 insertions, 9 deletions

diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.WelcomePage/WelcomePageRecentProjectsList.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.WelcomePage/WelcomePageRecentProjectsList.cs
index bbde387838..3e700d0bf5 100644
--- a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.WelcomePage/WelcomePageRecentProjectsList.cs
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.WelcomePage/WelcomePageRecentProjectsList.cs
@@ -41,12 +41,11 @@ namespace MonoDevelop.Ide.WelcomePage
 		int itemCount = 10;

 		readonly Xwt.Drawing.Image openProjectIcon;

 		readonly Xwt.Drawing.Image newProjectIcon;

-		

+

 		public WelcomePageRecentProjectsList (string title = null, int count = 10): base (title)

 		{

 			openProjectIcon = Xwt.Drawing.Image.FromResource ("open_solution.png");

 			newProjectIcon = Xwt.Drawing.Image.FromResource ("new_solution.png");

-

 			box = new VBox ();

 

 			itemCount = count;

@@ -112,17 +111,52 @@ namespace MonoDevelop.Ide.WelcomePage
 				//};

 				//button.HasTooltip = true;

 				button.TooltipText = filename + "\n" + TimeSinceEdited (accessed);

-				box.PackStart (button, false, false, 0);

-				button.PinClicked += delegate {

-					DesktopService.RecentFiles.SetFavoriteFile (filename, button.Pinned);

-				};

+				box.PackStart (button, false, false, 0);
+				var pinClickHandler = new PinClickHandler (filename);

+				pinClickHandler.Register (button);

 			}

-			

-

 

 			this.ShowAll ();

+		}
+

+		class PinClickHandler : IDisposable

+		{

+			WelcomePageListButton button;

+			string filename;

+

+			public PinClickHandler (string filename)

+			{

+				this.filename = filename;

+			}

+

+			public void Dispose ()

+			{

+				if (button == null)

+					return;

+				button.PinClicked -= Button_PinClicked;

+				button.Destroyed -= Button_Destroyed;

+				button = null;

+			}

+

+			internal void Register (WelcomePageListButton button)

+			{

+				this.button = button;

+				button.PinClicked += Button_PinClicked;

+				button.Destroyed += Button_Destroyed;

+			}

+

+			void Button_PinClicked (object sender, EventArgs e)

+			{

+				DesktopService.RecentFiles.SetFavoriteFile (filename, button.Pinned);

+			}

+

+			void Button_Destroyed (object sender, EventArgs e)

+			{

+				Dispose ();

+			}

 		}

-		

+
+
 		static string TimeSinceEdited (DateTime prjtime)

 		{

 			TimeSpan sincelast = DateTime.UtcNow - prjtime;