Add VIS vehicle signal support

Update the volume control code to use to use VIS signalling instead
of the previous agl-service-audiomixer binding usage.

Bug-AGL: SPEC-4409

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: Ifc622a51991110c7786b80ee0af574ed6ca80561
(cherry picked from commit e3b392b8a0767f35e6dbbdb1e9d126294aebdcb5)

5 files changed, 74 insertions, 84 deletions

diff --git a/homescreen/homescreen.pro b/homescreen/homescreen.pro
index fd53072..00ed5e7 100644
--- a/homescreen/homescreen.pro
+++ b/homescreen/homescreen.pro
@@ -17,7 +17,7 @@ TEMPLATE = app
 TARGET = homescreen
 QT = qml quick gui-private dbus
 CONFIG += c++11 link_pkgconfig wayland-scanner
-PKGCONFIG += wayland-client qtappfw-weather qtappfw-network qtappfw-bt
+PKGCONFIG += wayland-client qtappfw-weather qtappfw-network qtappfw-bt qtappfw-vehicle-signals
 
 DBUS_INTERFACES = $$[QT_SYSROOT]/usr/share/dbus-1/interfaces/org.automotivelinux.AppLaunch.xml
 
diff --git a/homescreen/qml/MediaAreaBlank.qml b/homescreen/qml/MediaAreaBlank.qml
index 7a9e8af..b758a7d 100644
--- a/homescreen/qml/MediaAreaBlank.qml
+++ b/homescreen/qml/MediaAreaBlank.qml
@@ -19,9 +19,7 @@ import QtQuick 2.2
 import QtQuick.Layouts 1.1
 import QtQuick.Controls 2.0
 import AGL.Demo.Controls 1.0
-/*
 import MasterVolume 1.0
-*/
 
 Image {
     anchors.fill: parent
@@ -68,16 +66,13 @@ Image {
     transitions: Transition {
     NumberAnimation { property: "opacity"; duration: 500}
     }
-/*
+
     MasterVolume {
         id: mv
         objectName: "mv"
         onVolumeChanged: slider.value = volume
-        Component.onCompleted: {
-            mv.open(bindingAddress);
-        }
     }
-*/
+
     Item {
         id: master_volume
         anchors.fill: parent
@@ -108,10 +103,9 @@ Image {
                 to: 100
                 stepSize: 1
                 snapMode: Slider.SnapOnRelease
-/*
                 onValueChanged: mv.volume = value
                 Component.onCompleted: value = mv.volume
-*/
+
                 onPressedChanged: {
                     if (pressed) {volume_timer.stop()}
                     else {volume_timer.restart()}
diff --git a/homescreen/src/main.cpp b/homescreen/src/main.cpp
index 4e3073f..74ec4f4 100644
--- a/homescreen/src/main.cpp
+++ b/homescreen/src/main.cpp
@@ -248,6 +248,7 @@ load_agl_shell_app(QPlatformNativeInterface *native,
 int main(int argc, char *argv[])
 {
     setenv("QT_QPA_PLATFORM", "wayland", 1);
+    setenv("QT_QUICK_CONTROLS_STYLE", "AGL", 1);
     QGuiApplication a(argc, argv);
     const char *screen_name;
     bool is_demo_val = false;
diff --git a/homescreen/src/mastervolume.cpp b/homescreen/src/mastervolume.cpp
index de8d75d..8d7ecb4 100644
--- a/homescreen/src/mastervolume.cpp
+++ b/homescreen/src/mastervolume.cpp
@@ -18,25 +18,21 @@
 #include <QTimer>
 #include <QtDebug>
 
-#define MASTER_CONTROL "Master Playback"
-
-MasterVolume::MasterVolume(QObject* parent)
-	: QObject(parent)
-	, m_volume{50}
+MasterVolume::MasterVolume(QObject* parent) :
+	QObject(parent),
+	m_volume(50)
 {
-#if 0
-	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&)));
-#endif
-}
+	VehicleSignalsConfig vsConfig("homescreen");
+	m_vs = new VehicleSignals(vsConfig);
 
-#if 0
-void MasterVolume::open(const QUrl& url)
-{
+	if (m_vs) {
+		QObject::connect(m_vs, &VehicleSignals::connected, this, &MasterVolume::onConnected);
+		QObject::connect(m_vs, &VehicleSignals::authorized, this, &MasterVolume::onAuthorized);
+		QObject::connect(m_vs, &VehicleSignals::disconnected, this, &MasterVolume::onDisconnected);
+
+		m_vs->connect();
+	}
 }
-#endif
 
 qint32 MasterVolume::getVolume() const
 {
@@ -45,72 +41,70 @@ qint32 MasterVolume::getVolume() const
 
 void MasterVolume::setVolume(qint32 volume)
 {
-	if (m_volume != volume)
-	{
-		m_volume = volume;
-#if 0
-		QJsonObject arg;
-		arg.insert("control", MASTER_CONTROL);
-		double v = (double) volume / 100.0;
-		arg.insert("value", v);
-		m_client.call("audiomixer", "volume", arg);
-#endif
-	}
-}
+	if (m_volume == volume)
+		return;
 
-#if 0
+	m_volume = volume;
 
-void MasterVolume::onClientConnected()
-{
+	if (!(m_vs && m_connected))
+		return;
 
-	QJsonObject arg;
-	arg.insert("control", MASTER_CONTROL);
-	m_client.call("audiomixer", "volume", arg, [this](bool r, const QJsonValue& v) {
-		if (r && v.isObject()) {
-			int volume = v.toObject()["response"].toObject()["volume"].toDouble() * 100;
-			volume = qBound(0, volume, 100);
-			if (m_volume != volume)
-			{
-				m_volume = volume;
-				emit VolumeChanged();
-			}
-		}
-
-		QJsonObject arg;
-		arg.insert("event", "volume_changed");
-		m_client.call("audiomixer", "subscribe", arg);
-	});
+	m_vs->set("Vehicle.Cabin.Infotainment.Media.Volume", QString::number(volume));
 }
 
-void MasterVolume::onClientDisconnected()
+void MasterVolume::onConnected()
 {
-	qDebug() << "MasterVolume::onClientDisconnected!";
-	QTimer::singleShot(1000, this, SLOT(TryOpen()));
+	if (!m_vs)
+		return;
+
+	m_vs->authorize();
 }
 
-void MasterVolume::onClientError(QAbstractSocket::SocketError se)
+void MasterVolume::onAuthorized()
 {
-	qDebug() << "MasterVolume::onClientError: " << se;
+	if (!m_vs)
+		return;
+
+	m_connected = true;
+
+	QObject::connect(m_vs, &VehicleSignals::getSuccessResponse, this, &MasterVolume::onGetSuccessResponse);
+	QObject::connect(m_vs, &VehicleSignals::signalNotification, this, &MasterVolume::onSignalNotification);
+
+	m_vs->subscribe("Vehicle.Cabin.Infotainment.Media.Volume");
+	m_vs->get("Vehicle.Cabin.Infotainment.Media.Volume");
 }
 
-void MasterVolume::onClientEventReceived(QString name, const QJsonValue& data)
+void MasterVolume::onDisconnected()
 {
-	qDebug() << "MasterVolume::onClientEventReceived[" << name << "]: " << data;
-	if (name == "audiomixer/volume_changed")
-	{
-		QString ctlName = data.toObject()["control"].toString();
+	QObject::disconnect(m_vs, &VehicleSignals::signalNotification, this, &MasterVolume::onGetSuccessResponse);
+	QObject::disconnect(m_vs, &VehicleSignals::signalNotification, this, &MasterVolume::onSignalNotification);
 
-		if (ctlName != MASTER_CONTROL)
-			return;
+	m_connected = false;
+}
 
-		int volume = data.toObject()["value"].toDouble() * 100;
+void MasterVolume::updateVolume(QString value)
+{
+	bool ok;
+	qint32 volume = value.toInt(&ok);
+	if (ok) {
 		volume = qBound(0, volume, 100);
-		if (m_volume != volume)
-		{
+		if (m_volume != volume)	{
 			m_volume = volume;
 			emit VolumeChanged();
 		}
 	}
 }
 
-#endif
+void MasterVolume::onGetSuccessResponse(QString path, QString value, QString timestamp)
+{
+	if (path == "Vehicle.Cabin.Infotainment.Media.Volume") {
+		updateVolume(value);
+		emit VolumeChanged();
+	}
+}
+
+void MasterVolume::onSignalNotification(QString path, QString value, QString timestamp)
+{
+	if (path == "Vehicle.Cabin.Infotainment.Media.Volume")
+		updateVolume(value);
+}
diff --git a/homescreen/src/mastervolume.h b/homescreen/src/mastervolume.h
index 04ce3b5..fbbab4b 100644
--- a/homescreen/src/mastervolume.h
+++ b/homescreen/src/mastervolume.h
@@ -16,32 +16,33 @@
 
 #include <QtCore/QObject>
 #include <QQmlEngine>
+#include "vehiclesignals.h"
 
-class MasterVolume
-	: public QObject
+class MasterVolume : public QObject
 {
 	Q_OBJECT
 	Q_PROPERTY (uint32_t volume READ getVolume WRITE setVolume NOTIFY VolumeChanged)
 
 private:
 	qint32 m_volume;
+	VehicleSignals *m_vs;
+	bool m_connected;
+
+	void updateVolume(QString value);
 
 public:
 	MasterVolume(QObject* parent = nullptr);
 	~MasterVolume() = default;
 
-	//Q_INVOKABLE void open(const QUrl& url);
 	Q_INVOKABLE qint32 getVolume() const;
 	Q_INVOKABLE void setVolume(qint32 val);
 
 private slots:
-#if 0
-	void onClientConnected();
-	void onClientDisconnected();
-	void onClientError(QAbstractSocket::SocketError se);
-	void onClientEventReceived(QString name, const QJsonValue& data);
-	void TryOpen();
-#endif
+	void onConnected();
+	void onAuthorized();
+	void onDisconnected();
+	void onGetSuccessResponse(QString path, QString value, QString timestamp);
+	void onSignalNotification(QString path, QString value, QString timestamp);
 
 signals:
 	void VolumeChanged();