/*
 * Copyright (c) 2012, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "ros/master.h"

#include <rviz/properties/ros_topic_property.h>

#include <QApplication>


namespace rviz
{
RosTopicProperty::RosTopicProperty(const QString& name,
                                   const QString& default_value,
                                   const QString& message_type,
                                   const QString& description,
                                   Property* parent)
  : EditableEnumProperty(name, default_value, description, parent), message_type_(message_type)
{
  connect(this, &EditableEnumProperty::requestOptions, this, &RosTopicProperty::fillTopicList);
}

void RosTopicProperty::setMessageType(const QString& message_type)
{
  message_type_ = message_type;
}

void RosTopicProperty::fillTopicList()
{
  QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
  clearOptions();

  std::string std_message_type = message_type_.toStdString();

  ros::master::V_TopicInfo topics;
  ros::master::getTopics(topics);

  // Loop through all published topics
  ros::master::V_TopicInfo::iterator it;
  for (it = topics.begin(); it != topics.end(); ++it)
  {
    const ros::master::TopicInfo& topic = *it;

    // Only add topics whose type matches.
    if (topic.datatype == std_message_type)
    {
      addOptionStd(topic.name);
    }
  }
  sortOptions();
  QApplication::restoreOverrideCursor();
}

} // end namespace rviz
