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 #define MASTER_CONTROL "Master Playback"
  22
  23 MasterVolume::MasterVolume(QObject* parent)
  24         : QObject(parent)
  25         , m_volume{50}
  26 {
  27 #if 0
  28         connect(&m_client, SIGNAL(connected()), this, SLOT(onClientConnected()));
  29         connect(&m_client, SIGNAL(disconnected()), this, SLOT(onClientDisconnected()));
  30         connect(&m_client, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(onClientError(QAbstractSocket::SocketError)));
  31         connect(&m_client, SIGNAL(eventReceived(QString, const QJsonValue&)), this, SLOT(onClientEventReceived(QString, const QJsonValue&)));
  32 #endif
  33 }
  34
  35 #if 0
  36 void MasterVolume::open(const QUrl& url)
  37 {
  38 }
  39 #endif
  40
  41 qint32 MasterVolume::getVolume() const
  42 {
  43         return m_volume;
  44 }
  45
  46 void MasterVolume::setVolume(qint32 volume)
  47 {
  48         if (m_volume != volume)
  49         {
  50                 m_volume = volume;
  51 #if 0
  52                 QJsonObject arg;
  53                 arg.insert("control", MASTER_CONTROL);
  54                 double v = (double) volume / 100.0;
  55                 arg.insert("value", v);
  56                 m_client.call("audiomixer", "volume", arg);
  57 #endif
  58         }
  59 }
  60
  61 #if 0
  62
  63 void MasterVolume::onClientConnected()
  64 {
  65
  66         QJsonObject arg;
  67         arg.insert("control", MASTER_CONTROL);
  68         m_client.call("audiomixer", "volume", arg, [this](bool r, const QJsonValue& v) {
  69                 if (r && v.isObject()) {
  70                         int volume = v.toObject()["response"].toObject()["volume"].toDouble() * 100;
  71                         volume = qBound(0, volume, 100);
  72                         if (m_volume != volume)
  73                         {
  74                                 m_volume = volume;
  75                                 emit VolumeChanged();
  76                         }
  77                 }
  78
  79                 QJsonObject arg;
  80                 arg.insert("event", "volume_changed");
  81                 m_client.call("audiomixer", "subscribe", arg);
  82         });
  83 }
  84
  85 void MasterVolume::onClientDisconnected()
  86 {
  87         qDebug() << "MasterVolume::onClientDisconnected!";
  88         QTimer::singleShot(1000, this, SLOT(TryOpen()));
  89 }
  90
  91 void MasterVolume::onClientError(QAbstractSocket::SocketError se)
  92 {
  93         qDebug() << "MasterVolume::onClientError: " << se;
  94 }
  95
  96 void MasterVolume::onClientEventReceived(QString name, const QJsonValue& data)
  97 {
  98         qDebug() << "MasterVolume::onClientEventReceived[" << name << "]: " << data;
  99         if (name == "audiomixer/volume_changed")
 100         {
 101                 QString ctlName = data.toObject()["control"].toString();
 102
 103                 if (ctlName != MASTER_CONTROL)
 104                         return;
 105
 106                 int volume = data.toObject()["value"].toDouble() * 100;
 107                 volume = qBound(0, volume, 100);
 108                 if (m_volume != volume)
 109                 {
 110                         m_volume = volume;
 111                         emit VolumeChanged();
 112                 }
 113         }
 114 }
 115
 116 #endif