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
  31                 m_vs->connect();
  32         }
  33 }
  34
  35 MasterVolume::~MasterVolume()
  36 {
  37         delete m_vs;
  38 }
  39
  40 qint32 MasterVolume::getVolume() const
  41 {
  42         return m_volume;
  43 }
  44
  45 void MasterVolume::setVolume(quint32 volume)
  46 {
  47         if (m_volume == volume)
  48                 return;
  49
  50         m_volume = volume;
  51
  52         if (m_vs)
  53                 m_vs->set("Vehicle.Cabin.Infotainment.Media.Volume", volume, true);
  54 }
  55
  56 void MasterVolume::updateVolume(QString value)
  57 {
  58         bool ok;
  59         quint32 volume = value.toUInt(&ok);
  60         if (ok) {
  61                 volume = qBound(0U, volume, 100U);
  62                 if (m_volume != volume) {
  63                         m_volume = volume;
  64                         emit VolumeChanged();
  65                 }
  66         }
  67 }
  68
  69 void MasterVolume::onConnected()
  70 {
  71        if (!m_vs)
  72                return;
  73
  74         QObject::connect(m_vs, &VehicleSignals::getSuccessResponse, this, &MasterVolume::onGetSuccessResponse);
  75         QObject::connect(m_vs, &VehicleSignals::signalNotification, this, &MasterVolume::onSignalNotification);
  76
  77         m_vs->subscribe("Vehicle.Cabin.Infotainment.Media.Volume");
  78         m_vs->get("Vehicle.Cabin.Infotainment.Media.Volume");
  79 }
  80
  81 void MasterVolume::onGetSuccessResponse(QString path, QString value, QString timestamp)
  82 {
  83         if (path == "Vehicle.Cabin.Infotainment.Media.Volume") {
  84                 updateVolume(value);
  85                 emit VolumeChanged();
  86         }
  87 }
  88
  89 void MasterVolume::onSignalNotification(QString path, QString value, QString timestamp)
  90 {
  91         if (path == "Vehicle.Cabin.Infotainment.Media.Volume")
  92                 updateVolume(value);
  93 }