diff -r 2cccf6b2b89d -r a6030b32b222 project_files/HedgewarsMobile/Classes/MXAudioPlayerFadeOperation.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/project_files/HedgewarsMobile/Classes/MXAudioPlayerFadeOperation.h	Thu Feb 09 19:05:52 2012 +0100
@@ -0,0 +1,55 @@
+//  MXAudioPlayerFadeOperation.h
+//
+//  Created by Andrew Mackenzie-Ross on 30/11/10.
+//  mackross.net
+//
+
+#import <Foundation/Foundation.h>
+
+@class AVAudioPlayer;
+@interface MXAudioPlayerFadeOperation : NSOperation {
+  AVAudioPlayer *_audioPlayer;
+  NSTimeInterval _fadeDuration;
+  NSTimeInterval _delay;
+  float _finishVolume;
+  BOOL _pauseAfterFade;
+  BOOL _stopAfterFade;
+  BOOL _playBeforeFade;
+}
+
+// The AVAudioPlayer that the volume fade will be applied to. 
+// Retained until the fade is completed.
+// Must be set with init method.
+@property (nonatomic, retain, readonly) AVAudioPlayer *audioPlayer; 
+
+// The duration of the volume fade. 
+// Default value is 1.0
+@property (nonatomic, assign) NSTimeInterval fadeDuration; 
+
+// The delay before the volume fade begins. 
+// Default value is 0.0
+@property (nonatomic, assign) NSTimeInterval delay; 
+
+// The volume that will be faded to. 
+// Default value is 0.0
+@property (nonatomic, assign) float finishVolume; 
+
+// If YES, audio player will be sent a pause message when the fade has completed. 
+// Default value is NO, however, if finishVolume is 0.0, default is YES
+@property (nonatomic, assign) BOOL pauseAfterFade; 
+
+// If YES, when the fade has completed the audio player will be sent a stop message.
+// Default value is NO.
+@property (nonatomic, assign) BOOL stopAfterFade;
+
+// If YES, audio player will be sent a play message after the delay.
+// Default value is YES.
+@property (nonatomic, assign) BOOL playBeforeFade;
+
+// Init Methods
+- (id)initFadeWithAudioPlayer:(AVAudioPlayer*)player toVolume:(float)volume overDuration:(NSTimeInterval)duration withDelay:(NSTimeInterval)timeDelay;
+- (id)initFadeWithAudioPlayer:(AVAudioPlayer*)player toVolume:(float)volume overDuration:(NSTimeInterval)duration;
+- (id)initFadeWithAudioPlayer:(AVAudioPlayer*)player toVolume:(float)volume;
+- (id)initFadeWithAudioPlayer:(AVAudioPlayer*)player;
+
+@end