CoachFeedback.java

/*
 * Copyright (C) 2013 jonas.oreland@gmail.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.runnerup.workout.feedback;

import android.annotation.TargetApi;
import android.content.Context;
import android.os.Build;
import android.speech.tts.TextToSpeech;

import org.runnerup.R;
import org.runnerup.util.Formatter;
import org.runnerup.workout.Dimension;
import org.runnerup.workout.Feedback;
import org.runnerup.workout.Range;
import org.runnerup.workout.Scope;
import org.runnerup.workout.TargetTrigger;
import org.runnerup.workout.Workout;

@TargetApi(Build.VERSION_CODES.FROYO)
public class CoachFeedback extends AudioFeedback {

    int sign = 1;
    Range range = null;
    TargetTrigger trigger = null;

    public CoachFeedback(Scope scope, Dimension dimension, Range range, TargetTrigger trigger) {
        super(scope, dimension);
        this.range = range;
        this.trigger = trigger;

        switch (dimension) {
            case PACE:
                sign = -1; // pace is "inverse"
                break;
            case DISTANCE:
            case HR:
            case HRZ:
            case CAD:
            case TEMPERATURE:
            case PRESSURE:
            case SPEED:
            case TIME:
            default:
                break;
        }
    }

    @Override
    public boolean equals(Feedback _other) {
        if (!(_other instanceof CoachFeedback))
            return false;

        CoachFeedback other = (CoachFeedback) _other;
        if (!range.contentEquals(other.range))
            return false;

        if (!dimension.equal(other.dimension))
            return false;

        if (!scope.equal(other.scope))
            return false;

        return true;
    }

    @Override
    public void emit(Workout s, Context ctx) {
        double val;
        if (trigger != null)
            val = trigger.getValue();
        else
            val = s.get(scope, dimension);

        int cmp = sign * range.compare(val);
        String msg = "";
        if (cmp < 0) {
            msg = " " + ctx.getResources().getString(R.string.cue_speedup);
        } else if (cmp > 0) {
            msg = " " + ctx.getResources().getString(R.string.cue_slowdown);
        }
        if (!"".contentEquals(msg)) {
            textToSpeech.speak(ctx.getResources().getString(scope.getCueId())
                    + " "
                    + formatter.format(Formatter.Format.CUE_LONG, dimension, val)
                    + msg,
                    TextToSpeech.QUEUE_ADD, null);
        }
    }
}