Notification after Video playback in mobile safari

I am trying to play some videos in a UI开发者_开发技巧WebView and required to get some feedback when the video playback is finished, without any user interaction. I am looking for something similar to MPMoviePlayerPlaybackDidFinishNotification, but in UIWebView. Appreciate if anyone can share a work around.

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I can't vouch for all video types but when I play a YouTube video in a UIWebView I can capture the event when the user presses 'Done' by subscribing to a private notification type:

[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayerDidExitFullscreen:) name:@"UIMoviePlayerControllerDidExitFullscreenNotification" object:nil];

This works in iOS 4.3 and 5.0.