FFTDrawer/app/src/main/java/com/feemers/android/fftdrawer/SignalProcessing/DetectorImpl.java

package com.feemers.android.fftdrawer.SignalProcessing;

import java.util.ArrayList;


public class DetectorImpl implements IDetector {
    protected ArrayList<Double> m_buffer;
    protected int m_buffer_SIZE; //TODO: Make this this dependent to the sampleRate
    protected double m_sampleRate;
    protected ThresholdCalculator m_thresholdCalculator;
    protected double m_threshold;
    protected Notifier m_Notifier;

    public DetectorImpl(int windowSize)
    {
        m_buffer = new ArrayList<>();
        m_buffer_SIZE = 128; //TODO later: Change this hardcoded value and calculate it during runtime -> depending on sampleRate
        m_sampleRate = 0;
        m_thresholdCalculator = new ThresholdCalculator(windowSize);
        m_threshold = m_thresholdCalculator.getThreshold();
    }

    @Override
    public void onNewSample(double sample) {
        m_thresholdCalculator.onNewSample(sample);
        m_threshold = m_thresholdCalculator.getThreshold();
    }

    @Override
    public void setSampleRate(double sampleRate) {
        m_sampleRate = sampleRate;
    }

    @Override
    public void setThreshold(double threshold) {
        // Call this to set the constant part of the threshold determined by the user
        m_thresholdCalculator.setConstantThresholdPart(threshold);
    }

    public void connectNotifier(Notifier notifier){
        if(notifier == null){
            throw new AssertionError("Notifier is null");
        }
        m_Notifier = notifier;
    }
}