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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.hpp"
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&)));
}
void Mixer::open(const QUrl& url)
{
m_url = url;
TryOpen();
}
QList<QObject*> Mixer::roles() const
{
return m_roles;
}
void Mixer::getRoleVolume(AudioRole* role)
{
if (role == nullptr) return;
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", role->Name().toLocal8Bit().data(), arg, [role](bool r, const QJsonValue& v) {
if (r && v.isObject())
{
qDebug() << role->Name() << " Volume changed: " << v;
int newVolume = v.toObject()["response"].toObject()["volnew"].toInt();
role->setValue(newVolume);
}
});
}
void Mixer::setRoleVolume(AudioRole* role)
{
if (role == nullptr) return;
role->BeginUpdate();
QJsonObject arg;
arg.insert("action", "volume");
arg.insert("value", QJsonValue(role->Value()));
m_client.call("ahl-4a", role->Name().toLocal8Bit().data(), arg, [role](bool r, const QJsonValue& v) {
// Nothing to do, events will update sliders
role->EndUpdate();
});
}
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)
{
for(QObject* role : m_roles) delete role;
m_roles.clear();
QJsonArray cards = val.toObject()["response"].toArray();
foreach (const QJsonValue& card, cards)
{
AudioRole* ar = new AudioRole(card.toString(), 0);
getRoleVolume(reinterpret_cast<AudioRole*>(ar));
connect(ar, SIGNAL(ValueChanged()), this, SLOT(onRoleValueChanged()));
m_roles.append(ar);
qDebug() << "Mixer::onClientConnected - added this HAL: " << card.toString();
}
emit rolesChanged();
}
});
}
void Mixer::onClientDisconnected()
{
qDebug() << "Mixer::onClientDisconnected!";
QTimer::singleShot(1000, this, SLOT(TryOpen()));
}
void Mixer::onClientError(QAbstractSocket::SocketError se)
{
qDebug() << "Mixer::onClientError: " << se;
}
void Mixer::onClientEventReceived(QString eventName, const QJsonValue& data)
{
qDebug() << "Mixer::onClientEventReceived[" << eventName << "]: " << data;
if (eventName == "ahl-4a/volume_changed")
{
QString role = data.toObject()["role"].toString();
int volume = data.toObject()["volume"].toInt();
for(QObject* o : m_roles)
{
AudioRole* ar = reinterpret_cast<AudioRole*>(o);
if (ar && ar->Name() == role)
{
ar->setValue(volume);
}
}
}
}
void Mixer::onRoleValueChanged()
{
AudioRole* role = reinterpret_cast<AudioRole*>(QObject::sender());
if (role == nullptr) return;
setRoleVolume(role);
}
void Mixer::TryOpen()
{
qDebug() << "Mixer::TryOpen: " << m_url;
m_client.open(m_url);
}
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