[Debugger] Added PreviewWindowManager to handle Showing and closing of PreviewVisualizerWindow

1 files changed, 109 insertions, 0 deletions

diff --git a/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.PreviewVisualizers/PreviewWindowManager.cs b/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.PreviewVisualizers/PreviewWindowManager.cs
new file mode 100644
index 0000000000..aa3b396bef
--- /dev/null
+++ b/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.PreviewVisualizers/PreviewWindowManager.cs
@@ -0,0 +1,109 @@
+//
+// PreviewWindowManager.cs
+//
+// Author:
+//       David Karlaš <david.karlas@xamarin.com>
+//
+// Copyright (c) 2014 Xamarin, Inc (http://www.xamarin.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+using System;
+using MonoDevelop.Ide;
+using Mono.Debugging.Client;
+using MonoDevelop.Components;
+
+namespace MonoDevelop.Debugger
+{
+	public class PreviewWindowManager
+	{
+		static PreviewVisualizerWindow wnd;
+
+		public static bool IsVisible {
+			get {
+				return wnd != null && wnd.Visible;
+			}
+		}
+
+		public static void Show (ObjectValue val, Control widget, Gdk.Rectangle previewButtonArea)
+		{
+			DestroyWindow ();
+			wnd = new PreviewVisualizerWindow ();
+			wnd.Show (val, widget, previewButtonArea);
+			wnd.Destroyed += HandleDestroyed;
+			OnWindowShown (EventArgs.Empty);
+		}
+
+		static void HandleDestroyed (object sender, EventArgs e)
+		{
+			OnWindowClosed (EventArgs.Empty);
+		}
+
+		public static void RepositionWindow ()
+		{
+			if (!IsVisible)
+				return;
+			wnd.RepositionWindow ();
+		}
+
+		static PreviewWindowManager ()
+		{
+			if (IdeApp.Workbench != null) {
+				IdeApp.Workbench.RootWindow.Destroyed += (sender, e) => DestroyWindow ();
+				IdeApp.Workbench.RootWindow.FocusOutEvent += HandleFocusOutEvent;
+			}
+			DebuggingService.StoppedEvent += delegate {
+				DestroyWindow ();
+			};
+		}
+
+		static void HandleFocusOutEvent (object o, Gtk.FocusOutEventArgs args)
+		{
+			if (IdeApp.Workbench.RootWindow == null || !IdeApp.Workbench.RootWindow.HasFocus) {
+				DestroyWindow ();
+			}
+		}
+
+		public static void DestroyWindow ()
+		{
+			if (wnd != null) {
+				wnd.Destroy ();
+				wnd = null;
+			}
+		}
+
+		static void OnWindowClosed (EventArgs e)
+		{
+			var handler = WindowClosed;
+			if (handler != null)
+				handler (null, e);
+		}
+
+		public static event EventHandler WindowClosed;
+
+		static void OnWindowShown (EventArgs e)
+		{
+			var handler = WindowShown;
+			if (handler != null)
+				handler (null, e);
+		}
+
+		public static event EventHandler WindowShown;
+	}
+}
+