ChangeVolumeByBrick.java

/**
 * Catroid: An on-device visual programming system for Android devices Copyright (C) 2010-2014 The
 * Catrobat Team (<http://developer.catrobat.org/credits>)
 * 
 * This program is free software: you can redistribute it and/or modify it under the terms of the
 * GNU Affero General Public License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 * 
 * An additional term exception under section 7 of the GNU Affero General Public License, version 3,
 * is available at http://developer.catrobat.org/license_additional_term
 * 
 * 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
 * Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License along with this program.
 * If not, see <http://www.gnu.org/licenses/>.
 */
package org.catrobat.html5player.client.bricks;

import org.catrobat.html5player.client.Sprite;
import org.catrobat.html5player.client.formulaeditor.Formula;

public class ChangeVolumeByBrick extends Brick {

  private Formula volume;

  public ChangeVolumeByBrick(String sprite, Formula volume) {
    super(sprite);
    this.volume = volume;
  }

  @Override
  public boolean execute(Sprite sprite) {

    double currentSpriteVolume = sprite.getVolume();
    currentSpriteVolume += this.volume.interpretFloat(sprite);

    if (currentSpriteVolume < 0.0) {
      currentSpriteVolume = 0.0;
    } else if (currentSpriteVolume > 100.0) {
      currentSpriteVolume = 100.0;
    }

    sprite.setVolume(currentSpriteVolume);
    return true;
  }

}