// 
// ObservableObject.cs
//  
// Author:
//       Greg Lowe <greg@vis.net.nz>
// 
// Copyright (c) 2010 Greg Lowe
// 
// 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 System.ComponentModel;

namespace Pinta.Core
{

	public abstract class ObservableObject
	{
		public ObservableObject ()
		{
		}

		public event PropertyChangedEventHandler? PropertyChanged;

		protected void SetValue<T> (string propertyName, ref T member, T value)
		{
			member = value;
			FirePropertyChanged (propertyName);
		}

		protected void FirePropertyChanged (string? propertyName)
		{
			if (PropertyChanged != null)
				PropertyChanged (this, new PropertyChangedEventArgs (propertyName));
		}
	}
}
