homescreen/src/mastervolume.cpp

   1 /*
   2  * Copyright (C) 2017 Konsulko Group
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "mastervolume.h"
  18 #include <QTimer>
  19 #include <QtDebug>
  20
  21 MasterVolume::MasterVolume(QObject* parent) :
  22         QObject(parent),
  23         m_volume(50)
  24 {
  25         VehicleSignalsConfig vsConfig("homescreen");
  26         m_vs = new VehicleSignals(vsConfig);
  27
  28         if (m_vs) {
  29                 QObject::connect(m_vs, &VehicleSignals::connected, this, &MasterVolume::onConnected);
  30                 QObject::connect(m_vs, &VehicleSignals::authorized, this, &MasterVolume::onAuthorized);
  31                 QObject::connect(m_vs, &VehicleSignals::disconnected, this, &MasterVolume::onDisconnected);
  32
  33                 m_vs->connect();
  34         }
  35 }
  36
  37 qint32 MasterVolume::getVolume() const
  38 {
  39         return m_volume;
  40 }
  41
  42 void MasterVolume::setVolume(qint32 volume)
  43 {
  44         if (m_volume == volume)
  45                 return;
  46
  47         m_volume = volume;
  48
  49         if (!(m_vs && m_connected))
  50                 return;
  51
  52         m_vs->set("Vehicle.Cabin.Infotainment.Media.Volume", QString::number(volume));
  53 }
  54
  55 void MasterVolume::onConnected()
  56 {
  57         if (!m_vs)
  58                 return;
  59
  60         m_vs->authorize();
  61 }
  62
  63 void MasterVolume::onAuthorized()
  64 {
  65         if (!m_vs)
  66                 return;
  67
  68         m_connected = true;
  69
  70         QObject::connect(m_vs, &VehicleSignals::getSuccessResponse, this, &MasterVolume::onGetSuccessResponse);
  71         QObject::connect(m_vs, &VehicleSignals::signalNotification, this, &MasterVolume::onSignalNotification);
  72
  73         m_vs->subscribe("Vehicle.Cabin.Infotainment.Media.Volume");
  74         m_vs->get("Vehicle.Cabin.Infotainment.Media.Volume");
  75 }
  76
  77 void MasterVolume::onDisconnected()
  78 {
  79         QObject::disconnect(m_vs, &VehicleSignals::signalNotification, this, &MasterVolume::onGetSuccessResponse);
  80         QObject::disconnect(m_vs, &VehicleSignals::signalNotification, this, &MasterVolume::onSignalNotification);
  81
  82         m_connected = false;
  83 }
  84
  85 void MasterVolume::updateVolume(QString value)
  86 {
  87         bool ok;
  88         qint32 volume = value.toInt(&ok);
  89         if (ok) {
  90                 volume = qBound(0, volume, 100);
  91                 if (m_volume != volume) {
  92                         m_volume = volume;
  93                         emit VolumeChanged();
  94                 }
  95         }
  96 }
  97
  98 void MasterVolume::onGetSuccessResponse(QString path, QString value, QString timestamp)
  99 {
 100         if (path == "Vehicle.Cabin.Infotainment.Media.Volume") {
 101                 updateVolume(value);
 102                 emit VolumeChanged();
 103         }
 104 }
 105
 106 void MasterVolume::onSignalNotification(QString path, QString value, QString timestamp)
 107 {
 108         if (path == "Vehicle.Cabin.Infotainment.Media.Volume")
 109                 updateVolume(value);
 110 }