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/*
* Copyright (C) 2016 The Qt Company Ltd.
* Copyright (C) 2016,2017 Konsulko Group
* Copyright (C) 2018 IoT.bzh
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <QJsonArray>
#include <QJsonObject>
#include <QTimer>
#include <QtDebug>
#include "mixer.h"
Mixer::Mixer(QObject* parent)
: QObject(parent)
{
connect(&m_client, SIGNAL(connected()), this, SLOT(onClientConnected()));
connect(&m_client, SIGNAL(disconnected()), this, SLOT(onClientDisconnected()));
connect(&m_client, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(onClientError(QAbstractSocket::SocketError)));
connect(&m_client, SIGNAL(eventReceived(QString, const QJsonValue&)), this, SLOT(onClientEventReceived(QString, const QJsonValue&)));
m_roles.append("Multimedia");
m_roles.append("Navigation");
m_roles.append("Emergency");
}
QStringList Mixer::roles() const
{
return m_roles;
}
void Mixer::open(const QUrl& url)
{
m_url = url;
m_client.open(m_url);
}
void Mixer::onClientConnected()
{
// Subscribe to 4a events
m_client.call("ahl-4a", "subscribe", QJsonValue(), [this](bool r, const QJsonValue& val) {
if (r)
qDebug() << "Mixer::onClientConnected - subscribed to 4a events!";
else
qCritical () << "Mixer::onClientConnected - Failed to subscribe to 4a events!";
});
// Call HAL to populate list
m_client.call("ahl-4a", "get_roles", QJsonValue(), [this](bool r, const QJsonValue& val) {
if (r)
{
m_roles.clear();
//BUG: should be able to add this, but not handled right now: m_roles.append("playback");
QJsonArray cards = val.toObject()["response"].toArray();
foreach (const QJsonValue& card, cards)
{
m_roles.append(card.toString());
qDebug() << "Mixer::onClientConnected - added this HAL: " << card.toString();
}
emit rolesChanged();
}
});
}
void Mixer::onClientDisconnected()
{
qDebug() << "Mixer::onClientDisconnected";
QTimer::singleShot(1000, this, SLOT(onRetryOpen()));
}
void Mixer::onClientError(QAbstractSocket::SocketError se)
{
qDebug() << "Mixer::onClientError: " << se;
}
void Mixer::onRetryOpen()
{
m_client.open(m_url);
}
void Mixer::onClientEventReceived(QString eventName, const QJsonValue& data)
{
qDebug() << "Mixer::onClientEventReceived[" << eventName << "]: " << data;
if (eventName == "ahl-4a/volume_changed")
{
QString role = data["role"].toString();
int volume = data["volume"].toInt();
m_volumes[role] = volume;
emit volumeChanged(role, volume);
}
}
void Mixer::setVolume(const QString& name, int value)
{
auto currentVolume = m_volumes.find(name);
if (currentVolume != m_volumes.end() && *currentVolume == value)
return;
QJsonObject arg;
arg.insert("action", "volume");
arg.insert("value", QJsonValue(value));
m_client.call("ahl-4a", name, arg, [name](bool r, const QJsonValue& v) {
/* Nothing to do, events will update sliders*/
});
}
void Mixer::getVolume(const QString& name)
{
QJsonObject arg;
arg.insert("action", "volume");
arg.insert("value", QJsonValue("+0")); // FIXME: Hack to get volume: ask for a relative change with a delta of zero
m_client.call("ahl-4a", name, arg, [this, name](bool r, const QJsonValue& v) {
if (r && v.isObject())
{
// TODO: Success, update the slider
qDebug() << "Volume changed: " << v;
int newVolume = v.toObject()["response"].toObject()["volnew"].toInt();
auto currentVolume = m_volumes.find(name);
if (currentVolume != m_volumes.end() && *currentVolume == newVolume)
return;
m_volumes[name] = newVolume;
emit volumeChanged(name, newVolume);
}
});
}
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