~stephen-elson/do-plugins/iplayer

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/* IplayerProgrammeItem.cs 
 *
 * GNOME Do is the legal property of its developers. Please refer to the
 * COPYRIGHT file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

using System;
using System.IO;
using System.Net;

using Gdk;

using Do.Universe;
using Do.Platform;

namespace Iplayer {
	
	public class IplayerProgrammeItem : Item {
	
		private string pid, station_id, name, description, url, image;
		
		public IplayerProgrammeItem (string pid, string station_id, string name, string description)
		{
			this.pid = pid;
			this.station_id = station_id;
			this.name = name;
			this.description = description;
			this.url = "http://www.bbc.co.uk/iplayer/episode/" + this.pid;
			this.image = String.Format ("http://node1.bbcimg.co.uk/iplayer/images/episode/{0}_178_100.jpg", this.pid);
			
			DownloadImage ();
		}
		
		public override string Name {
			get { return name; }
		}
		
		public override string Description {
			get { return description; }
		}

		public override string Icon { 
			//get { return (station_id + ".svg@") + GetType ().Assembly.FullName; }
			get {
				string folder = Path.Combine (Services.Paths.TemporaryDirectory, "Iplayer/");
				string filename = this.pid + ".png";
				
				return Path.Combine (folder, filename);
			}
		}
		
		public string Url { 
			get { return url; }
		}
		
		public string StationId { 
			get { return station_id; }
		}
		
		public void DownloadImage () {
			
			string folder;
			string filename;
			WebClient client;
			
			folder = Path.Combine (Services.Paths.TemporaryDirectory, "Iplayer/");
			filename = this.pid + ".jpg";
			
			if (!System.IO.Directory.Exists (folder))
				System.IO.Directory.CreateDirectory (folder);
			
			client = new WebClient ();
			//client.DownloadFile (new System.Uri (this.image), Path.Combine (folder, filename));
			client.DownloadFileCompleted += OnImageDownloaded;
			client.DownloadFileAsync (new Uri (this.image), Path.Combine (folder, filename), filename);
			
		}
		
		private void OnImageDownloaded (object o, System.ComponentModel.AsyncCompletedEventArgs args)
		{
			string folder;
			string filename;
			
			folder = Path.Combine (Services.Paths.TemporaryDirectory, "Iplayer/");
			filename = this.pid + ".jpg";
			
			// Load the images
			Pixbuf image = new Pixbuf (folder + filename);
			Pixbuf emblem = new Pixbuf (null, station_id + ".png");
			
			// Create the composite image
			Colorspace colorspace = image.Colorspace;
			int bitsPerSample = image.BitsPerSample;
			int top_margin = (image.Width - image.Height) / 2;
			
			Pixbuf composite = new Pixbuf (colorspace,
				true,
				bitsPerSample,
				image.Width,
				image.Width);
			
			composite.Fill (0xffffff00);
			
			// Composite the images on the central one
			image.Composite (composite,
				0, 
			    top_margin, 
			    image.Width, 
			    image.Height,
				0.0, 
			    top_margin, 
			    1.0, 
			    1.0,
				InterpType.Bilinear,
				255);
			
			emblem.Composite (composite,
				5, 
			    (image.Height - emblem.Height) + top_margin - 5, 
			    emblem.Width, 
			    emblem.Height,
				5.0, 
			    (image.Height - emblem.Height) + top_margin - 5, 
			    1.0, 
			 	1.0,
				InterpType.Bilinear,
				220);
			
			// Write out the image as a JPG
			composite.Save (folder + this.pid + ".png", "png");
			
			Log<Iplayer>.Debug ("Saved {0}", this.pid + ".png");
		}
	}
}