Chicken support

TweetStation/UI/Chickens.cs

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+//
+// Split on a separate partial class, so people can remove it easily
+//
+//
+// Chicke.cs: classes for supporting the Chicken Infrastructure of TweetStation
+//
+// Copyright 2010 Miguel de Icaza
+//
+// 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 MonoTouch.Dialog;
+using MonoTouch.AVFoundation;
+using System.Drawing;
+using MonoTouch.Foundation;
+
+namespace TweetStation
+{
+	public partial class BaseTimelineViewController {
+		public static bool ChickenNoisesEnabled = Util.Defaults.IntForKey ("enableChickens") == 1;
+
+		// A subclass of the header, we hook up to SetStatus to put our own effects
+		// We do this lazily to avoid startup costs
+
+		public class CapturePullEvents : RefreshTableHeaderView {
+			AVAudioPlayer chickenStart, chickenEnd;
+
+			public CapturePullEvents (RectangleF rect) : base (rect)
+			{
+			}
+
+			bool playedFirstChicken;
+			public override void SetStatus (RefreshViewStatus status)
+			{
+				base.SetStatus (status);
+
+				if (!ChickenNoisesEnabled)
+					return;
+
+				switch (status){
+				case RefreshViewStatus.ReleaseToReload:
+					if (chickenStart == null)
+						chickenStart = AVAudioPlayer.FromUrl (new NSUrl ("Audio/chicken1.caf"));
+					if (chickenStart != null){
+						chickenStart.Volume = 0.5f;
+						chickenStart.Play ();
+						playedFirstChicken = true;
+					}
+					break;
+
+				case RefreshViewStatus.Loading:
+					if (chickenEnd == null)
+						chickenEnd = AVAudioPlayer.FromUrl (new NSUrl ("Audio/chicken2.caf"));
+					if (chickenEnd != null && playedFirstChicken){
+						chickenEnd.Volume = 0.5f;
+						chickenEnd.Play ();
+					}
+					playedFirstChicken = false;
+					break;
+
+				default:
+					playedFirstChicken = false;
+					break;
+				}
+			}
+		}
+
+		public override RefreshTableHeaderView MakeRefreshTableHeaderView (RectangleF rect)
+		{
+			return new CapturePullEvents (rect);
+		}
+	}
+}
+