[f-spot] Extract an IImageLoader interface.

[Ruben Vermeersch <rubenv src gnome org>]

commit a1f81169d062d061c9fd700a34b45585f33634fe
Author: Ruben Vermeersch <ruben savanne be>
Date:   Wed Jul 8 09:55:14 2009 +0100

    Extract an IImageLoader interface.

 src/IImageLoader.cs   |   29 +++++++++++++++++++++++++++++
 src/ImageLoader.cs    |    2 +-
 src/Makefile.am       |    1 +
 src/PhotoImageView.cs |    8 ++++----
 4 files changed, 35 insertions(+), 5 deletions(-)
---
diff --git a/src/IImageLoader.cs b/src/IImageLoader.cs
new file mode 100644
index 0000000..e91def4
--- /dev/null
+++ b/src/IImageLoader.cs
@@ -0,0 +1,29 @@
+//
+// Fspot.IImageLoader.cs
+//
+// Copyright (c) 2009 Novell, Inc.
+//
+// Author(s)
+//	Stephane Delcroix  <sdelcroix novell com>
+//
+// This is free software. See COPYING for details
+//
+
+using FSpot.Utils;
+using System;
+using Gdk;
+
+namespace FSpot {
+	public interface IImageLoader : IDisposable {
+		bool Loading { get; }	
+
+		event EventHandler<AreaPreparedEventArgs> AreaPrepared;
+		event EventHandler<AreaUpdatedEventArgs> AreaUpdated;
+		event EventHandler Completed;
+
+		void Load (Uri uri);
+
+		Pixbuf Pixbuf { get; }
+		PixbufOrientation PixbufOrientation { get; }
+	}
+}
diff --git a/src/ImageLoader.cs b/src/ImageLoader.cs
index f99add9..9f07c24 100644
--- a/src/ImageLoader.cs
+++ b/src/ImageLoader.cs
@@ -43,7 +43,7 @@ namespace FSpot {
 		}
 	}
 
-	public class ImageLoader : Gdk.PixbufLoader
+	public class ImageLoader : Gdk.PixbufLoader, IImageLoader
 	{
 #region public api
 		public ImageLoader () : base ()
diff --git a/src/Makefile.am b/src/Makefile.am
index afe144f..d75ed2f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -174,6 +174,7 @@ F_SPOT_CSDISTFILES =				\
 	$(srcdir)/GroupSelector.cs		\
 	$(srcdir)/Accelerometer.cs		\
 	$(srcdir)/Histogram.cs			\
+	$(srcdir)/IImageLoader.cs		\
 	$(srcdir)/ImageLoaderThread.cs		\
 	$(srcdir)/ImageLoader.cs		\
 	$(srcdir)/ImportBackend.cs		\
diff --git a/src/PhotoImageView.cs b/src/PhotoImageView.cs
index 6885604..683de2d 100644
--- a/src/PhotoImageView.cs
+++ b/src/PhotoImageView.cs
@@ -195,7 +195,7 @@ namespace FSpot.Widgets {
 
 #region loader		
 		uint timer;
-		ImageLoader loader;
+		IImageLoader loader;
 		void Load (Uri uri)
 		{
 			timer = Log.DebugTimerStart ();
@@ -211,7 +211,7 @@ namespace FSpot.Widgets {
 
 		void HandlePixbufPrepared (object sender, AreaPreparedEventArgs args)
 		{
-			ImageLoader loader = sender as ImageLoader;
+			IImageLoader loader = sender as IImageLoader;
 			if (loader != this.loader)
 				return;
 
@@ -229,7 +229,7 @@ namespace FSpot.Widgets {
 
 		void HandlePixbufAreaUpdated (object sender, AreaUpdatedEventArgs args)
 		{
-			ImageLoader loader = sender as ImageLoader;
+			IImageLoader loader = sender as IImageLoader;
 			if (loader != this.loader)
 				return;
 
@@ -243,7 +243,7 @@ namespace FSpot.Widgets {
 		void HandleDone (object sender, System.EventArgs args)
 		{
 			Log.DebugTimerPrint (timer, "Loading image took {0}");
-			ImageLoader loader = sender as ImageLoader;
+			IImageLoader loader = sender as IImageLoader;
 			if (loader != this.loader)
 				return;