/*
Copyright 2011-2016 Google Inc. All Rights Reserved.

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.google.security.zynamics.zylib.gui.zygraph.edges;

import com.google.security.zynamics.zylib.general.ListenerProvider;

public class CBend {
  private double m_x;
  private double m_y;

  private final ListenerProvider<IBendListener> m_listeners = new ListenerProvider<IBendListener>();

  public CBend(final double x, final double y) {
    m_x = x;
    m_y = y;
  }

  public void addListener(final IBendListener listener) {
    m_listeners.addListener(listener);
  }

  @Override
  public boolean equals(final Object object) {
    if (!(object instanceof CBend)) {
      return false;
    }

    final CBend rhs = (CBend) object;
    return (Double.compare(rhs.m_x, m_x) == 0) && (Double.compare(rhs.m_y, m_y) == 0);
  }

  public double getX() {
    return m_x;
  }

  public double getY() {
    return m_y;
  }

  public void removeListener(final IBendListener listener) {
    m_listeners.removeListener(listener);
  }

  public void setX(final double x) {
    if (Double.compare(m_x, x) == 0) {
      return;
    }

    m_x = x;

    for (final IBendListener listener : m_listeners) {
      listener.changedX(this, x);
    }
  }

  public void setY(final double y) {
    if (Double.compare(m_y, y) == 0) {
      return;
    }

    m_y = y;

    for (final IBendListener listener : m_listeners) {
      listener.changedY(this, y);
    }
  }
}
