android-rollerderby-penalty-timer/src/org/woozle/penaltytimer/PenaltyTimer.java

package org.woozle.penaltytimer;

import android.app.Activity;
import android.view.View;
import android.widget.Toast;
import android.widget.*;
import android.os.*;
import java.lang.Math;
import java.util.*;


public class PenaltyTimer extends Activity
{
    private Handler mHandler = new Handler();
    private JammerButton[] jbs = new JammerButton[2];
    private TimerButton[] tbs = new TimerButton[8];
    private boolean paused = false;
    
    private Runnable pulse = new Runnable() {
        public void run() {
            long now = SystemClock.uptimeMillis();
            pulse(now);

            mHandler.postAtTime(this, now + 100);
        }
    };

    class Persistence {
        public boolean paused = false;
        public long[] startTime = new long[8];
        public long[] duration = new long[8];
        public boolean[] running = new boolean[8];
        public boolean[] penalized = new boolean[2];
    }

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        Persistence p = (Persistence)getLastNonConfigurationInstance();
        long now = SystemClock.uptimeMillis();
        LinearLayout top;

        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        top = (LinearLayout)findViewById(R.id.main);

        // Create all the buttons
        for (int i = 0; i < 4; i += 1) {
            LinearLayout tr = new LinearLayout(this);

            top.addView(tr, i);

            for (int j = 0; j < 2; j += 1) {
                TimerButton b;
                TextView v;

                if (i == 0) {
                    JammerButton jb = new JammerButton(this, now);
                    
                    if (p != null) {
                        jb.penalized = p.penalized[j];
                    }
                    jbs[j] = jb;
                    b = jb;
                } else {
                    b = new TimerButton(this, now);
                }

                if (p != null) {
                    int idx = i*2 + j;

                    b.startTime = p.startTime[idx];
                    b.duration = p.duration[idx];
                    b.running = p.running[idx];
                }

                tr.addView(b.getButton());

                tbs[i*2 + j] = b;
            }
        }


        // Invert value, then simulate a button press
        if (p != null) {
            paused = ! p.paused;
        } else {
            paused = true;
        }
        pauseButton();

        jbs[0].setOther(jbs[1]);
        jbs[1].setOther(jbs[0]);

        mHandler.postAtTime(pulse, 100);

    }



    public Object onRetainNonConfigurationInstance() {
        Persistence p = new Persistence();
        int i;

        for (i = 0; i < 8; i += 1) {
            TimerButton b = tbs[i];

            p.paused = paused;
            p.startTime[i] = b.startTime;
            p.duration[i] = b.duration;
            p.running[i] = b.running;
            if (i < 2) {
                JammerButton j = (JammerButton)b;

                p.penalized[i] = j.penalized;
            }
        }

        return p;
    }

    private void pulse(long now) {
        for (int i = 0; i < 8; i += 1) {
            tbs[i].pulse(now);
        }
    }


    public void pauseButton() {
        Button e = (Button) findViewById(R.id.pause);

        paused = !paused;
        for (int i = 0; i < 8; i += 1) {
            if (paused) {
                tbs[i].pause();
            } else {
                tbs[i].resume();
            }
        }
        if (paused) {
            e.setText(R.string.jam_begin);
        } else {
            e.setText(R.string.jam_end);
        }
    }

    public void pauseButton(View v) {
        pauseButton();
    }
}