MessageTopicRegistry.h
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00001 /******************************************************************************
00002  * Copyright (C) 2015 by Ralf Kaestner                                        *
00003  * ralf.kaestner@gmail.com                                                    *
00004  *                                                                            *
00005  * This program is free software; you can redistribute it and/or modify       *
00006  * it under the terms of the Lesser GNU General Public License as published by*
00007  * the Free Software Foundation; either version 3 of the License, or          *
00008  * (at your option) any later version.                                        *
00009  *                                                                            *
00010  * This program is distributed in the hope that it will be useful,            *
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the               *
00013  * Lesser GNU General Public License for more details.                        *
00014  *                                                                            *
00015  * You should have received a copy of the Lesser GNU General Public License   *
00016  * along with this program. If not, see <http://www.gnu.org/licenses/>.       *
00017  ******************************************************************************/
00018 
00019 #ifndef RQT_MULTIPLOT_MESSAGE_TOPIC_REGISTRY_H
00020 #define RQT_MULTIPLOT_MESSAGE_TOPIC_REGISTRY_H
00021 
00022 #include <QMap>
00023 #include <QMutex>
00024 #include <QObject>
00025 #include <QString>
00026 #include <QThread>
00027 
00028 namespace rqt_multiplot {
00029   class MessageTopicRegistry :
00030     public QObject {
00031   Q_OBJECT
00032   public:
00033     MessageTopicRegistry(QObject* parent = 0);
00034     ~MessageTopicRegistry();
00035     
00036     QMap<QString, QString> getTopics() const;
00037     bool isUpdating() const;
00038     bool isEmpty() const;
00039     
00040     void update();
00041     
00042   signals:
00043     void updateStarted();
00044     void updateFinished();
00045     
00046   private:
00047     class Impl :
00048       public QThread {
00049     public:
00050       Impl(QObject* parent = 0);
00051       virtual ~Impl();
00052       
00053       void run();
00054       
00055       mutable QMutex mutex_;
00056       QMap<QString, QString> topics_;
00057     };
00058     
00059     static Impl impl_;
00060     
00061   private slots:
00062     void threadStarted();
00063     void threadFinished();
00064   };
00065 };
00066 
00067 #endif


rqt_multiplot
Author(s): Ralf Kaestner
autogenerated on Thu Jun 6 2019 21:49:11