[longomatch/device: 5/5] Toggle capture and warn on a device (re|dis)connection

[Andoni Morales Alastruey <amorales src gnome org>]

commit f84cf68aaae4115101e4a0f788bc4a77d3529516
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Mon Aug 2 00:00:52 2010 +0200

    Toggle capture and warn on a device (re|dis)connection

 CesarPlayer/Capturer/FakeCapturer.cs |    1 +
 CesarPlayer/Capturer/ICapturer.cs    |    1 +
 CesarPlayer/Gui/CapturerBin.cs       |   32 ++++++++++++++++++++++++++++++++
 3 files changed, 34 insertions(+), 0 deletions(-)
---
diff --git a/CesarPlayer/Capturer/FakeCapturer.cs b/CesarPlayer/Capturer/FakeCapturer.cs
index 292a92b..5e3cf88 100644
--- a/CesarPlayer/Capturer/FakeCapturer.cs
+++ b/CesarPlayer/Capturer/FakeCapturer.cs
@@ -30,6 +30,7 @@ namespace LongoMatch.Video.Capturer
 	{
 		public event EllpasedTimeHandler EllapsedTime;
 		public event ErrorHandler Error;
+		public event DeviceChangeHandler DeviceChange;
 		
 		private LiveSourceTimer timer;
 		
diff --git a/CesarPlayer/Capturer/ICapturer.cs b/CesarPlayer/Capturer/ICapturer.cs
index 89f02ee..4960bdb 100644
--- a/CesarPlayer/Capturer/ICapturer.cs
+++ b/CesarPlayer/Capturer/ICapturer.cs
@@ -30,6 +30,7 @@ namespace LongoMatch.Video.Capturer
 	{	
 		event EllpasedTimeHandler EllapsedTime;
 		event ErrorHandler Error;
+		event DeviceChangeHandler DeviceChange;
 			
 		uint OutputWidth {
 			get ;
diff --git a/CesarPlayer/Gui/CapturerBin.cs b/CesarPlayer/Gui/CapturerBin.cs
index 6544b62..0907553 100644
--- a/CesarPlayer/Gui/CapturerBin.cs
+++ b/CesarPlayer/Gui/CapturerBin.cs
@@ -74,6 +74,7 @@ namespace LongoMatch.Gui
 				capturer.EllapsedTime += OnTick;
 				if (value != CapturerType.Fake){
 					capturer.Error += OnError;
+					capturer.DeviceChange += OnDeviceChange;
 					capturerhbox.Add((Widget)capturer);
 					(capturer as Widget).Visible = true;
 					capturerhbox.Visible = true;
@@ -171,6 +172,7 @@ namespace LongoMatch.Gui
 			if (capturerType == CapturerType.Live){
 				/* release and dispose live capturer */
 				capturer.Error -= OnError;
+				capturer.DeviceChange += OnDeviceChange;
 				capturerhbox.Remove(capturer as Gtk.Widget);
 				capturer.Dispose();
 			}
@@ -284,6 +286,36 @@ namespace LongoMatch.Gui
 			Close();
 		}
 		
+		protected virtual void OnDeviceChange (object o, DeviceChangeArgs args)
+		{
+			/* device disconnected, pause capture */
+			if (args.DeviceChange == -1){
+				recbutton.Visible = false;
+				
+				if (capturing)
+					TogglePause();
+				
+				MessageDialog md = new MessageDialog((Gtk.Window)this.Toplevel, DialogFlags.Modal,
+				                                     MessageType.Question, ButtonsType.Ok,
+				                                     Catalog.GetString("Device disconnected. " +
+				                                     	"The capture will be paused"));
+				md.Icon=Stetic.IconLoader.LoadIcon(md, "longomatch", Gtk.IconSize.Dialog, 48);
+				md.Run();
+				md.Destroy();			
+			} else {
+				recbutton.Visible = true;
+				MessageDialog md = new MessageDialog((Gtk.Window)this.Toplevel, DialogFlags.Modal,
+				                                     MessageType.Question, ButtonsType.YesNo,
+				                                     Catalog.GetString("Device reconnected." +
+				                                     	"Do you want to restart the capture?"));
+				md.Icon=Stetic.IconLoader.LoadIcon(md, "longomatch", Gtk.IconSize.Dialog, 48);
+				if (md.Run() == (int)ResponseType.Ok){
+					TogglePause();
+				}
+			}
+				
+		}
+		
 		protected virtual void OnLogodrawingareaExposeEvent (object o, Gtk.ExposeEventArgs args)
 		{	
 			Gdk.Window win;