DefaultLayer.java

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/*
 * Copyright (C) 2011 Google 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 org.ros.android.view.visualization.layer;

import android.os.Handler;
import android.view.MotionEvent;
import org.ros.android.view.visualization.Camera;
import org.ros.android.view.visualization.VisualizationView;
import org.ros.node.ConnectedNode;
import org.ros.node.Node;
import org.ros.rosjava_geometry.FrameTransformTree;

import javax.microedition.khronos.opengles.GL10;

public abstract class DefaultLayer implements Layer {

  @Override
  public void draw(GL10 gl) {
  }

  @Override
  public boolean onTouchEvent(VisualizationView view, MotionEvent event) {
    return false;
  }

  @Override
  public void onStart(ConnectedNode connectedNode, Handler handler,
      FrameTransformTree frameTransformTree, Camera camera) {
  }

  @Override
  public void onShutdown(VisualizationView view, Node node) {
  }
}