using System;

namespace FrequencyDetection
{
	public abstract class FrequencyInfoSource
	{
		public abstract void Listen();
		public abstract void Stop();

		public event EventHandler<FrequencyDetectedEventArgs> FrequencyDetected;

		protected void OnFrequencyDetected(FrequencyDetectedEventArgs e)
		{
			if (FrequencyDetected != null)
			{
				FrequencyDetected(this, e);
			}
		}
	}
}