1 files changed, 262 insertions, 0 deletions
diff --git a/recipes-automotive/climatecontrolplugin/files/climatecontrol.cpp b/recipes-automotive/climatecontrolplugin/files/climatecontrol.cpp
new file mode 100644
index 000000000..dc2a54b42
--- /dev/null
+++ b/recipes-automotive/climatecontrolplugin/files/climatecontrol.cpp
@@ -0,0 +1,262 @@
+/* Copyright (C) 2015, Jaguar Land Rover. All Rights Reserved.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <QDBusConnection>
+#include <QDBusObjectPath>
+#include <QDBusReply>
+#include <QDebug>
+
+#include "climatecontrol.h"
+
+ClimateControl::ClimateControl(QQuickItem *parent):
+    QQuickItem(parent)
+{
+    qDebug() << "ClimateControl plugin loaded!";
+
+    //
+    // Verify that we can access the system bus, where AMB resides. This is largely informational, since the ambdbusaccess
+    // application is responsible for actually accessing AMB.
+    //
+    if (!QDBusConnection::systemBus().isConnected())
+    {
+        qDebug() << "Unable to connect to system bus.";
+    }
+}
+
+ClimateControl::~ClimateControl()
+{
+    qDebug() << "ClimateControl plugin unloaded.";
+}
+
+// Accessor methods.
+qint32 ClimateControl::getZone()
+{
+    return this->zone;
+}
+
+void ClimateControl::setZone(qint32 newZone)
+{
+    if (this->zone != newZone)
+    {
+        this->zone = newZone;
+
+        qDebug().nospace() << "Updated zone to " << this->zone << ".";
+
+        emit zoneChanged();
+
+        // Now that the zone has been updated, fetch the settings for this new zone.
+        this->getSettings();
+    }
+}
+
+quint16 ClimateControl::getFanSpeedLevel()
+{
+    return this->fanSpeedLevel;
+}
+
+void ClimateControl::setFanSpeedLevel(quint16 newFanSpeedLevel)
+{
+    if (this->fanSpeedLevel != newFanSpeedLevel)
+    {
+        this->dbusWrite("FanSpeedLevel", newFanSpeedLevel);
+        this->fanSpeedLevel = newFanSpeedLevel;
+
+        qDebug().nospace() << "Updated fan speed level to " << this->fanSpeedLevel << ".";
+
+        emit fanSpeedLevelChanged();
+    }
+}
+
+qint32 ClimateControl::getTargetTemperature()
+{
+    return this->targetTemperature;
+}
+
+void ClimateControl::setTargetTemperature(qint32 newTargetTemperature)
+{
+    if (this->targetTemperature != newTargetTemperature)
+    {
+        this->dbusWrite("TargetTemperature", newTargetTemperature);
+        this->targetTemperature = newTargetTemperature;
+
+        qDebug().nospace() << "Updated target temperature to " << this->targetTemperature << ".";
+
+        emit targetTemperatureChanged();
+    }
+}
+
+bool ClimateControl::getAirConditioning()
+{
+    return this->airConditioning;
+}
+
+void ClimateControl::setAirConditioning(bool newAirConditioning)
+{
+    if (this->airConditioning != newAirConditioning)
+    {
+        // NOTE: This property is not enabled in the current version of AMB, so no D-Bus access is performed.
+        this->airConditioning = newAirConditioning;
+
+        qDebug().nospace() << "Updated air conditioning to " << this->airConditioning << ".";
+
+        emit airConditioningChanged();
+    }
+}
+
+bool ClimateControl::getHeater()
+{
+    return this->heater;
+}
+
+void ClimateControl::setHeater(bool newHeater)
+{
+    if (this->heater != newHeater)
+    {
+        // NOTE: This property is not enabled in the current version of AMB, so no D-Bus access is performed.
+        this->heater = newHeater;
+
+        qDebug().nospace() << "Updated heater to " << this->heater << ".";
+
+        emit heaterChanged();
+    }
+}
+
+quint8 ClimateControl::getSeatHeater()
+{
+    return this->seatHeater;
+}
+
+void ClimateControl::setSeatHeater(quint8 newSeatHeater)
+{
+    if (this->seatHeater != newSeatHeater)
+    {
+        // NOTE: This property is not enabled in the current version of AMB, so no D-Bus access is performed.
+        this->seatHeater = newSeatHeater;
+
+        qDebug().nospace() << "Updated seat heater to " << this->seatHeater << ".";
+
+        emit seatHeaterChanged();
+    }
+}
+
+quint8 ClimateControl::getSeatCooler()
+{
+    return this->seatCooler;
+}
+
+void ClimateControl::setSeatCooler(quint8 newSeatCooler)
+{
+    if (this->seatCooler != newSeatCooler)
+    {
+        // NOTE: This property is not enabled in the current version of AMB, so no D-Bus access is performed.
+        this->seatCooler = newSeatCooler;
+
+        qDebug().nospace() << "Updated seat cooler to " << this->seatCooler << ".";
+
+        emit seatCoolerChanged();
+    }
+}
+
+bool ClimateControl::getAirCirculation()
+{
+    return this->airCirculation;
+}
+
+void ClimateControl::setAirCirculation(bool newAirCirculation)
+{
+    if (this->airCirculation != newAirCirculation)
+    {
+        // NOTE: This property is not enabled in the current version of AMB, so no D-Bus access is performed.
+        this->airCirculation = newAirCirculation;
+
+        qDebug().nospace() << "Updated air circulation to " << this->airCirculation << ".";
+
+        emit airCirculationChanged();
+    }
+}
+
+quint8 ClimateControl::getSteeringWheelHeater()
+{
+    return this->steeringWheelHeater;
+}
+
+void ClimateControl::setSteeringWheelHeater(quint8 newSteeringWheelHeater)
+{
+    if (this->steeringWheelHeater != newSteeringWheelHeater)
+    {
+        // NOTE: This property is not enabled in the current version of AMB, so no D-Bus access is performed.
+        this->steeringWheelHeater = newSteeringWheelHeater;
+
+        qDebug().nospace() << "Updated steering wheel heater to " << this->steeringWheelHeater << ".";
+
+        emit steeringWheelHeaterChanged();
+    }
+}
+
+// D-Bus connection methods.
+QVariant ClimateControl::dbusRead(const char *property)
+{
+    QString arguments = "R ClimateControl " + QString::fromUtf8(property);
+    QString zoneString;
+
+    // The zone has not been set yet, so do not bother reading from AMB with the exception of FanSpeedLevel at zone 0.
+    if (!this->zone && strcmp(property, "FanSpeedLevel"))
+    {
+        // Return something resembling an uninitialized variable.
+        return 0;
+    }
+
+    // The FanSpeedLevel property is the only property at zone 0 for now.
+    zoneString = QString::number(!strcmp(property, "FanSpeedLevel") ? 0 : this->zone);
+
+    // Add in the zone information.
+    arguments += " " + zoneString;
+
+    qDebug() << "Calling ambdbusaccess with the following arguments:" << arguments;
+
+    // system() returns the result in the upper 8 bits, so shift the result to the right by 8.
+    return system(QString("/usr/lib/qt5/qml/Automotive/ambdbusaccess " + arguments).toStdString().c_str()) >> 8;
+}
+
+void ClimateControl::dbusWrite(const char *property, QVariant value)
+{
+    QString arguments = "W ClimateControl " + QString::fromUtf8(property);
+    QString zoneString;
+
+    // The zone has not been set yet, so do not bother writing to AMB with the exception of FanSpeedLevel at zone 0.
+    if (!this->zone && strcmp(property, "FanSpeedLevel"))
+    {
+        return;
+    }
+
+    // The FanSpeedLevel property is the only property at zone 0 for now.
+    zoneString = QString::number(!strcmp(property, "FanSpeedLevel") ? 0 : this->zone);
+
+    // Add in the zone information and value to write.
+    arguments += " " + zoneString + " " + value.toString();
+
+    qDebug() << "Calling ambdbusaccess with the following arguments:" << arguments;
+
+    system(QString("/usr/lib/qt5/qml/Automotive/ambdbusaccess " + arguments).toStdString().c_str());
+}
+
+void ClimateControl::getSettings()
+{
+    quint8 ambFanSpeedLevel;
+    qint32 ambTargetTemperature;
+
+    //
+    // Go fetch the settings for this zone.
+    //
+    // NOTE: Other properties are not enabled in the current version of AMB, so no D-Bus access is performed for them.
+    //
+    ambFanSpeedLevel = this->dbusRead("FanSpeedLevel").toInt();
+    ambTargetTemperature = this->dbusRead("TargetTemperature").toInt();
+
+    // Call the set methods to generate Qt signals, if any are necessary.
+    this->setFanSpeedLevel(ambFanSpeedLevel);
+    this->setTargetTemperature(ambTargetTemperature);
+}