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path: root/src/com/jsyn/unitgen/Circuit.java
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/*
 * Copyright 2009 Phil Burk, Mobileer Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.jsyn.unitgen;

import java.util.ArrayList;

import com.jsyn.engine.SynthesisEngine;

/**
 * Contains a list of units that are executed together.
 * 
 * @author Phil Burk (C) 2009 Mobileer Inc
 */
public class Circuit extends UnitGenerator {
    private ArrayList<UnitGenerator> units = new ArrayList<UnitGenerator>();

    @Override
    public void generate(int start, int limit) {
        for (UnitGenerator unit : units) {
            unit.generate(start, limit);
        }
    }

    /**
     * Call flattenOutputs on subunits. Flatten output ports so we don't output a changing signal
     * when stopped.
     */
    @Override
    public void flattenOutputs() {
        for (UnitGenerator unit : units) {
            unit.flattenOutputs();
        }
    }

    /**
     * Call setEnabled on subunits.
     */
    @Override
    public void setEnabled(boolean enabled) {
        super.setEnabled(enabled);
        for (UnitGenerator unit : units) {
            unit.setEnabled(enabled);
        }
    }

    @Override
    public void setFrameRate(int frameRate) {
        super.setFrameRate(frameRate);
        for (UnitGenerator unit : units) {
            unit.setFrameRate(frameRate);
        }
    }

    @Override
    public void setSynthesisEngine(SynthesisEngine engine) {
        super.setSynthesisEngine(engine);
        for (UnitGenerator unit : units) {
            unit.setSynthesisEngine(engine);
        }
    }

    /** Add a unit to the circuit. */
    public void add(UnitGenerator unit) {
        units.add(unit);
        unit.setCircuit(this);
        // Propagate circuit properties down into subunits.
        unit.setEnabled(isEnabled());
    }

    public void usePreset(int presetIndex) {
    }
}