//
// DependencyPropertyChangedEventArgs.cs
//
// Contact:
//   Moonlight List (moonlight-list@lists.ximian.com)
//
// Copyright 2008 Novell, Inc.
//
// 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 Mono;

namespace System.Windows {

	public struct DependencyPropertyChangedEventArgs {
		internal DependencyPropertyChangedEventArgs (IntPtr raw)
		{
			IntPtr uprop = NativeMethods.property_changed_event_args_get_property (raw);

			Property = DependencyProperty.Lookup (uprop);
			if (Property == null)
				throw new Exception (string.Format ("DependencyPropertyChangedEventArgs.ctor: Couldn't find the managed DependencyProperty corresponding with native {0}/{1}", uprop, NativeMethods.property_changed_event_args_get_id (raw)));

			OldValue = Value.ToObject (Property.PropertyType, NativeMethods.property_changed_event_args_get_old_value (raw));
			NewValue = Value.ToObject (Property.PropertyType, NativeMethods.property_changed_event_args_get_new_value (raw));
		}

		internal DependencyPropertyChangedEventArgs (object old, object newp, DependencyProperty prop)
		{
			OldValue = old;
			NewValue = newp;
			Property = prop;
		}
		
		public object NewValue {
			get; private set;
		}
		
		public object OldValue {
			get; private set;
		}
		
		public DependencyProperty Property {
			get; private set;
		}
	}
}