#region
/* -----------------------------------------------------------------------
 * <copyright file="BalloonIconConverter.cs" company="GRNet">
 * 
 * Copyright 2011-2012 GRNET S.A. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 *   1. Redistributions of source code must retain the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer in the documentation and/or other materials
 *      provided with the distribution.
 *
 *
 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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 * </copyright>
 * -----------------------------------------------------------------------
 */
#endregion
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Windows.Data;
using System.Windows.Media.Imaging;
using Hardcodet.Wpf.TaskbarNotification;

namespace Pithos.Client.WPF.Shell
{
    class BalloonIconConverter:IValueConverter
    {

        Dictionary<BalloonIcon,BitmapImage> _iconCache=new Dictionary<BalloonIcon,BitmapImage>();

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            BitmapImage image;
            
            var icon = (BalloonIcon) value;
            if (icon == BalloonIcon.None)
                return null;

            if (!_iconCache.TryGetValue(icon, out image))
            {
                var imagePath = String.Format("/Pithos;component/Images/{0}.png", Enum.GetName(typeof(BalloonIcon), value));
                var uri = new Uri(imagePath, UriKind.Relative);
                image=new BitmapImage(uri);
                _iconCache[icon] = image;
            }
            return image;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}