ground/gcs/src/libs/gstreamer/devicemonitor.h

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       devicemonitor.h
   5  * @author     The LibrePilot Project, http://www.librepilot.org Copyright (C) 2017.
   6  * @brief
   7  * @see        The GNU Public License (GPL) Version 3
   8  * @defgroup
   9  * @{
  10  *
  11  *****************************************************************************/
  12 /*
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 3 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful, but
  19  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  20  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  21  * for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License along
  24  * with this program; if not, write to the Free Software Foundation, Inc.,
  25  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  26  */
  27 #ifndef DEVICEMONITOR_H_
  28 #define DEVICEMONITOR_H_
  29
  30 #include "gst_global.h"
  31
  32 #include <QObject>
  33
  34 typedef struct _GstDeviceMonitor GstDeviceMonitor;
  35
  36 class Device {
  37 public:
  38     Device(QString displayName, QString deviceClass) : m_displayName(displayName), m_deviceClass(deviceClass)
  39     {}
  40     QString displayName() const
  41     {
  42         return m_displayName;
  43     }
  44     QString deviceClass() const
  45     {
  46         return m_deviceClass;
  47     }
  48 private:
  49     QString m_displayName;
  50     QString m_deviceClass;
  51 };
  52
  53 class GST_LIB_EXPORT DeviceMonitor : public QObject {
  54     Q_OBJECT
  55 public:
  56     DeviceMonitor(QObject *parent = NULL);
  57     virtual ~DeviceMonitor();
  58
  59     QList<Device> devices() const;
  60
  61 signals:
  62     void deviceAdded(QString name);
  63     void deviceRemoved(QString name);
  64
  65 private:
  66     GstDeviceMonitor *monitor;
  67
  68 private slots:
  69     void device_added(QString name);
  70     void device_removed(QString name);
  71 };
  72
  73 #endif /* DEVICEMONITOR_H_ */