Add TiltSensor to QtMobility.sensors 1.3

This has been adapted from the TiltSensor type in QtSensors 5.0
import but the code there has been split into multiple pieces.

There's a C++ class, a generic backend
and a QML interface.

Change-Id: Ic09465a5f76250a02a13938abe4789958137376f
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>

9 files changed, 321 insertions, 93 deletions

diff --git a/src/imports/sensors/plugins.qmltypes b/src/imports/sensors/plugins.qmltypes
index 49c2e748..eecc3a93 100644
--- a/src/imports/sensors/plugins.qmltypes
+++ b/src/imports/sensors/plugins.qmltypes
@@ -495,5 +495,21 @@ Module {
         Signal { name: "tapDirectionChanged"; type: "void" }
         Signal { name: "isDoubleTapChanged"; type: "void" }
     }
+    Component {
+        name: "QmlTiltSensor"
+        prototype: "QmlSensor"
+        exports: ["TiltSensor 1.3"]
+        }
+        Method { name: "calibrate"; type: "void" }
+    }
+    Component {
+        name: "QmlTiltSensorReading"
+        prototype: "QmlSensorReading"
+        exports: ["TiltReading 1.3"]
+        Property { name: "yRotation"; type: "double"; isReadonly: true }
+        Property { name: "xRotation"; type: "double"; isReadonly: true }
+        Signal { name: "yRotationChanged"; type: "void" }
+        Signal { name: "xRotationChanged"; type: "void" }
+    }
     ModuleApi { version: 1.3; name: "QmlSensorGlobal" }
 }
diff --git a/src/imports/sensors/qmlirproximitysensor.h b/src/imports/sensors/qmlirproximitysensor.h
index bf188d2a..2b2d4c49 100644
--- a/src/imports/sensors/qmlirproximitysensor.h
+++ b/src/imports/sensors/qmlirproximitysensor.h
@@ -56,7 +56,6 @@ public:
     explicit QmlIRProximitySensor(QObject *parent = 0);
     ~QmlIRProximitySensor();
 
-
 private:
     QSensor *sensor() const Q_DECL_OVERRIDE;
     QIRProximitySensor *m_sensor;
diff --git a/src/imports/sensors/qmltiltsensor.cpp b/src/imports/sensors/qmltiltsensor.cpp
new file mode 100644
index 00000000..26f6611d
--- /dev/null
+++ b/src/imports/sensors/qmltiltsensor.cpp
@@ -0,0 +1,166 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtSensors module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmltiltsensor.h"
+#include <QtSensors/qtiltsensor.h>
+
+QT_BEGIN_NAMESPACE
+QT_END_NAMESPACE
+
+/*!
+    \qmltype TiltSensor
+    \instantiates QmlTiltSensor
+    \ingroup qml-sensors_type
+    \inqmlmodule QtMobility.sensors 1.3
+    \since QtMobility.sensors 1.1
+    \inherits QtMobility.sensors1::Sensor
+    \brief The TiltSensor element reports tilt events
+           along the X and Y axes.
+
+    The TiltSensor element reports tilt events along the X and Y axes.
+
+    This element wraps the QTiltSensor class. Please see the documentation for
+    QTiltSensor for details.
+
+    \sa TiltReading
+*/
+
+QmlTiltSensor::QmlTiltSensor(QObject *parent)
+    : QmlSensor(parent)
+    , m_sensor(new QTiltSensor(this))
+{
+}
+
+QmlTiltSensor::~QmlTiltSensor()
+{
+}
+
+QmlSensorReading *QmlTiltSensor::createReading() const
+{
+    return new QmlTiltSensorReading(m_sensor);
+}
+
+QSensor *QmlTiltSensor::sensor() const
+{
+    return m_sensor;
+}
+
+/*!
+    \qmlmethod QtMobility.sensors1::TiltSensor::calibrate()
+    Calibrate the tilt sensor.
+
+    Please see QTiltSensor::calibrate() for information about this property.
+*/
+void QmlTiltSensor::calibrate()
+{
+    m_sensor->calibrate();
+}
+
+/*!
+    \qmltype TiltReading
+    \instantiates QmlTiltSensorReading
+    \ingroup qml-sensors_reading
+    \inqmlmodule QtMobility.sensors 1.3
+    \since QtMobility.sensors 1.1
+    \inherits QtMobility.sensors1::SensorReading
+    \brief The TiltReading element holds the most recent TiltSensor reading.
+
+    The TiltReading element holds the most recent TiltSensor reading.
+
+    This element wraps the QTiltReading class. Please see the documentation for
+    QTiltReading for details.
+
+    This element cannot be directly created.
+*/
+
+QmlTiltSensorReading::QmlTiltSensorReading(QTiltSensor *sensor)
+    : QmlSensorReading(sensor)
+    , m_sensor(sensor)
+{
+    update();
+}
+
+QmlTiltSensorReading::~QmlTiltSensorReading()
+{
+}
+
+/*!
+    \qmlproperty qreal QtMobility.sensors1::TiltReading::yRotation
+    This property holds the amount of tilt on the Y axis.
+
+    Please see QTiltReading::yRotation for information about this property.
+*/
+
+qreal QmlTiltSensorReading::yRotation() const
+{
+    return m_yRotation;
+}
+
+/*!
+    \qmlproperty qreal QtMobility.sensors1::TiltReading::xRotation
+    This property holds the amount of tilt on the X axis.
+
+    Please see QTiltReading::xRotation for information about this property.
+*/
+
+qreal QmlTiltSensorReading::xRotation() const
+{
+    return m_xRotation;
+}
+
+QSensorReading *QmlTiltSensorReading::reading() const
+{
+    return m_sensor->reading();
+}
+
+void QmlTiltSensorReading::readingUpdate()
+{
+    qreal tiltY = m_sensor->reading()->yRotation();
+    if (m_yRotation != tiltY) {
+        m_yRotation = tiltY;
+        Q_EMIT yRotationChanged();
+    }
+    qreal tiltX = m_sensor->reading()->xRotation();
+    if (m_xRotation != tiltX) {
+        m_xRotation = tiltX;
+        Q_EMIT xRotationChanged();
+    }
+}
diff --git a/src/imports/sensors/qmltiltsensor.h b/src/imports/sensors/qmltiltsensor.h
new file mode 100644
index 00000000..9afed564
--- /dev/null
+++ b/src/imports/sensors/qmltiltsensor.h
@@ -0,0 +1,94 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtSensors module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMLTILTSENSOR_H
+#define QMLTILTSENSOR_H
+
+#include "qmlsensor.h"
+#include <QtSensors/QTiltSensor>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+class QTiltSensor;
+
+class QmlTiltSensor : public QmlSensor
+{
+    Q_OBJECT
+public:
+
+    explicit QmlTiltSensor(QObject *parent = 0);
+    ~QmlTiltSensor();
+    Q_INVOKABLE void calibrate();
+
+private:
+    QSensor *sensor() const Q_DECL_OVERRIDE;
+    QTiltSensor *m_sensor;
+    QmlSensorReading *createReading() const Q_DECL_OVERRIDE;
+};
+
+class QmlTiltSensorReading : public QmlSensorReading
+{
+    Q_OBJECT
+    Q_PROPERTY(qreal yRotation READ yRotation NOTIFY yRotationChanged)
+    Q_PROPERTY(qreal xRotation READ xRotation NOTIFY xRotationChanged)
+public:
+    explicit QmlTiltSensorReading(QTiltSensor *sensor);
+    ~QmlTiltSensorReading();
+
+    qreal yRotation() const;
+    qreal xRotation() const;
+
+Q_SIGNALS:
+    void yRotationChanged();
+    void xRotationChanged();
+
+private:
+    QSensorReading *reading() const Q_DECL_OVERRIDE;
+    void readingUpdate() Q_DECL_OVERRIDE;
+    QTiltSensor *m_sensor;
+    qreal m_yRotation;
+    qreal m_xRotation;
+};
+
+QT_END_NAMESPACE
+QT_END_HEADER
+#endif
diff --git a/src/imports/sensors/sensors.cpp b/src/imports/sensors/sensors.cpp
index e5f43835..9e425297 100644
--- a/src/imports/sensors/sensors.cpp
+++ b/src/imports/sensors/sensors.cpp
@@ -41,18 +41,20 @@
 
 #include <QtQml/qqmlextensionplugin.h>
 #include <QtQml/qqml.h>
+#include <QtSensors/QSensorManager>
 
-#include <qaccelerometer.h>
-#include <qambientlightsensor.h>
-#include <qcompass.h>
-#include <qmagnetometer.h>
-#include <qorientationsensor.h>
-#include <qproximitysensor.h>
-#include <qrotationsensor.h>
-#include <qtapsensor.h>
-#include <qlightsensor.h>
-#include <qgyroscope.h>
-#include <qirproximitysensor.h>
+#include <QtSensors/qaccelerometer.h>
+#include <QtSensors/qambientlightsensor.h>
+#include <QtSensors/qcompass.h>
+#include <QtSensors/qmagnetometer.h>
+#include <QtSensors/qorientationsensor.h>
+#include <QtSensors/qproximitysensor.h>
+#include <QtSensors/qrotationsensor.h>
+#include <QtSensors/qtapsensor.h>
+#include <QtSensors/qlightsensor.h>
+#include <QtSensors/qgyroscope.h>
+#include <QtSensors/qirproximitysensor.h>
+#include <QtSensors/qtiltsensor.h>
 
 #include "qmlsensorglobal.h"
 #include "qmlsensor.h"
@@ -67,6 +69,7 @@
 #include "qmlproximitysensor.h"
 #include "qmlrotationsensor.h"
 #include "qmltapsensor.h"
+#include "qmltiltsensor.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -75,7 +78,7 @@ static QObject *global_object_13(QQmlEngine *, QJSEngine *)
     return new QmlSensorGlobal;
 }
 
-class QSensorsDeclarativeModule : public QQmlExtensionPlugin
+class QtSensorsDeclarativeModule : public QQmlExtensionPlugin
 {
     Q_OBJECT
     Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QQmlExtensionInterface" FILE "plugin.json")
@@ -164,6 +167,8 @@ public:
         qmlRegisterUncreatableType<QmlRotationSensorReading    >(package, major, minor, "RotationReading",      QLatin1String("Cannot create RotationReading"));
         qmlRegisterType           <QmlTapSensor                >(package, major, minor, "TapSensor");
         qmlRegisterUncreatableType<QmlTapSensorReading         >(package, major, minor, "TapReading",           QLatin1String("Cannot create TapReading"));
+        qmlRegisterType           <QmlTiltSensor               >(package, major, minor, "TiltSensor");
+        qmlRegisterUncreatableType<QmlTiltSensorReading        >(package, major, minor, "TiltReading",          QLatin1String("Cannot create TiltReading"));
     }
 };
 
diff --git a/src/imports/sensors/sensors.pro b/src/imports/sensors/sensors.pro
index ac59fcde..89af5ead 100644
--- a/src/imports/sensors/sensors.pro
+++ b/src/imports/sensors/sensors.pro
@@ -3,7 +3,9 @@ TARGET  = declarative_sensors
 TARGETPATH = QtMobility/sensors
 IMPORT_VERSION = 1.3 # Doesn't matter, as long as it's a valid version?!
 
-QT += qml sensors
+include(qsensorsimport.pri)
+
+QT += qml sensors sensors-private
 
 HEADERS += \
     qmlsensor.h \
@@ -19,7 +21,9 @@ HEADERS += \
     qmlproximitysensor.h \
     qmltapsensor.h \
     qmlrotationsensor.h \
-    qmlsensorglobal.h
+    qmlsensorglobal.h \
+    qmltiltsensor.h
+
 SOURCES += sensors.cpp \
     qmlsensor.cpp \
     qmlsensorrange.cpp \
@@ -34,7 +38,17 @@ SOURCES += sensors.cpp \
     qmlproximitysensor.cpp \
     qmltapsensor.cpp \
     qmlrotationsensor.cpp \
-    qmlsensorglobal.cpp
+    qmlsensorglobal.cpp \
+    qmltiltsensor.cpp
+
+
+DESTDIR = $$QT.sensors.imports/$$TARGETPATH
+target.path = $$[QT_INSTALL_IMPORTS]/$$TARGETPATH
+
+qmldir.files += $$PWD/qmldir $$PWD/plugin.qmltypes
+qmldir.path +=  $$[QT_INSTALL_IMPORTS]/$$TARGETPATH
+
+INSTALLS += target qmldir
 
 load(qml_plugin)
 
diff --git a/src/imports/sensors2/plugins.qmltypes b/src/imports/sensors2/plugins.qmltypes
index 97c9fe37..ea8b5260 100644
--- a/src/imports/sensors2/plugins.qmltypes
+++ b/src/imports/sensors2/plugins.qmltypes
@@ -56,13 +56,6 @@ Module {
         prototype: "qsensor2common"
         exports: ["TiltSensor 5.0"]
         Enum {
-            name: "Unit"
-            values: {
-                "Radians": 0,
-                "Degrees": 1
-            }
-        }
-        Enum {
             name: "Speed"
             values: {
                 "Slow": 0,
@@ -72,11 +65,8 @@ Module {
         }
         Property { name: "yRotation"; type: "double"; isReadonly: true }
         Property { name: "xRotation"; type: "double"; isReadonly: true }
-        Property { name: "unit"; type: "Unit" }
         Property { name: "speed"; type: "Speed" }
-        Property { name: "accuracy"; type: "double" }
         Property { name: "settings"; type: "QByteArray" }
-        Signal { name: "unitChanged"; type: "void" }
         Signal { name: "yRotationChanged"; type: "void" }
         Signal { name: "xRotationChanged"; type: "void" }
         Signal { name: "speedChanged"; type: "void" }
diff --git a/src/imports/sensors2/qsensor2tilt.cpp b/src/imports/sensors2/qsensor2tilt.cpp
index 1314d6dc..85d39ce8 100644
--- a/src/imports/sensors2/qsensor2tilt.cpp
+++ b/src/imports/sensors2/qsensor2tilt.cpp
@@ -71,7 +71,6 @@ QSensor2Tilt::QSensor2Tilt(QObject* parent)
     , _yRotation(0)
     , _xRotation(0)
     , _radAccuracy(M_PI / 180)
-    , _unit(QSensor2Tilt::Radians)
     , _pitch(0)
     , _roll(0)
     , _calibratedPitch(0)
@@ -199,32 +198,6 @@ void QSensor2Tilt::setEnabled(const bool val)
     }
 }
 
-/*!
-    \target unit_property
-    \qmlproperty enumeration QtSensors5::TiltSensor::unit
-    Returns the unit of the rotation which can be one of:
-    \table
-    \row
-        \li TiltSensor.Radians
-        \li The unit of the rotation angle is radians.
-    \row
-        \li TiltSensor.Degrees
-        \li The unit of the rotation angle is degrees.
-    \endtable
-*/
-QSensor2Tilt::Unit QSensor2Tilt::unit()
-{
-    return _unit;
-}
-
-void QSensor2Tilt::setUnit(const QSensor2Tilt::Unit val)
-{
-    if (_unit != val){
-        _unit = val;
-        Q_EMIT unitChanged();
-    }
-}
-
 
 /*!
     \qmlproperty real QtSensors5::TiltSensor::yRotation
@@ -240,10 +213,7 @@ void QSensor2Tilt::setUnit(const QSensor2Tilt::Unit val)
 */
 qreal QSensor2Tilt::yRotation()
 {
-    if (_unit == QSensor2Tilt::Degrees)
-        return _yRotation * 180 / M_PI;
-
-    return _yRotation;
+    return _yRotation * 180 / M_PI;
 }
 
 /*!
@@ -259,10 +229,7 @@ qreal QSensor2Tilt::yRotation()
 */
 qreal QSensor2Tilt::xRotation()
 {
-    if (_unit == QSensor2Tilt::Degrees)
-        return _xRotation * 180 / M_PI;
-
-    return _xRotation;
+    return _xRotation * 180 / M_PI;
 }
 
 /*
@@ -273,7 +240,7 @@ qreal QSensor2Tilt::xRotation()
 */
 inline qreal calcPitch(double Ax, double Ay, double Az)
 {
-    return (float)-qAtan2(Ax, sqrt(Ay * Ay + Az * Az));
+    return -qAtan2(Ax, sqrt(Ay * Ay + Az * Az));
 }
 
 /*
@@ -284,7 +251,7 @@ inline qreal calcPitch(double Ax, double Ay, double Az)
 */
 inline qreal calcRoll(double Ax, double Ay, double Az)
 {
-    return (float)qAtan2(Ay, (sqrt(Ax * Ax + Az * Az)));
+    return qAtan2(Ay, (sqrt(Ax * Ax + Az * Az)));
 }
 
 /*!
@@ -316,22 +283,16 @@ inline qreal calcRoll(double Ax, double Ay, double Az)
 /*!
     \qmlsignal QtSensors5::TiltSensor::tiltChanged(real deltaX, real deltaY)
     This signal is emitted whenever the change from at leat one of the rotation values was higher than the accuracy.
-    The angle value is based on the specified unit (Degree or Radian).
+    The angle value is based on degrees.
 
-    \sa {QtSensors5::TiltSensor::unit}
 */
-qreal QSensor2Tilt::accuracy()
-{
-    //return in degree
-    return 180 * _radAccuracy / M_PI;
-}
 
-void QSensor2Tilt::setAccuracy(qreal val)
-{
-    //save in rad to save convertion calc in filter function
-    if (val <= 90 && val >= 0)
-      _radAccuracy = M_PI * val / 180;
-}
+//void QSensor2Tilt::setAccuracy(qreal val)
+//{
+//    //save in rad to save convertion calc in filter function
+//    if (val <= 90 && val >= 0)
+//      _radAccuracy = M_PI * val / 180;
+//}
 
 /*!
     \qmlmethod void QtSensors5::TiltSensor::calibrate()
@@ -440,10 +401,7 @@ bool QSensor2Tilt::filter(QAccelerometerReading* reading)
         change = true;
     }
     if (change){
-        if (_unit == QSensor2Tilt::Degrees)
             Q_EMIT tiltChanged(dxrot * 180 / M_PI, dyrot * 180 / M_PI);
-        else
-            Q_EMIT tiltChanged(dxrot, dyrot);
     }
     return false;
 }
diff --git a/src/imports/sensors2/qsensor2tilt.h b/src/imports/sensors2/qsensor2tilt.h
index 0def8b38..359db0d5 100644
--- a/src/imports/sensors2/qsensor2tilt.h
+++ b/src/imports/sensors2/qsensor2tilt.h
@@ -55,9 +55,7 @@ class QSensor2Tilt : public qsensor2common, public QAccelerometerFilter
     Q_ENUMS(Unit Speed)
     Q_PROPERTY(qreal yRotation READ yRotation NOTIFY yRotationChanged)
     Q_PROPERTY(qreal xRotation READ xRotation NOTIFY xRotationChanged)
-    Q_PROPERTY(Unit unit READ unit WRITE setUnit NOTIFY unitChanged)
     Q_PROPERTY(Speed speed READ speed WRITE setSpeed NOTIFY speedChanged)
-    Q_PROPERTY(qreal accuracy READ accuracy WRITE setAccuracy NOTIFY accuracyChanged)
     Q_PROPERTY(QByteArray settings READ settings WRITE setSettings)
 
 public:
@@ -65,11 +63,6 @@ public:
     virtual ~QSensor2Tilt();
     Q_INVOKABLE void calibrate();
 
-    enum Unit{
-        Radians = 0
-        , Degrees
-    };
-
     enum Speed{
         Slow = 0
         , Medium
@@ -78,24 +71,18 @@ public:
 
 
 Q_SIGNALS:
-    void unitChanged();
     void yRotationChanged();
     void xRotationChanged();
     void speedChanged();
     void tiltChanged(qreal deltaX, qreal deltaY);
-    void accuracyChanged();
 
 public:
     // Override of QAcclerometerFilter::filter(QAccelerometerReading*)
     qreal yRotation();
     qreal xRotation();
-    Unit unit();
-    void setUnit(const Unit val);
     Speed speed();
     void setSpeed(const Speed val);
     void setEnabled(bool val);
-    qreal accuracy();
-    void setAccuracy(const qreal val);
     QByteArray settings() const;
     void setSettings(const QByteArray val);
     void createRunModeDataRateMap();
@@ -109,7 +96,6 @@ private:
     qreal _yRotation;
     qreal _xRotation;
     qreal _radAccuracy;
-    Unit _unit;
     qreal _pitch;
     qreal _roll;
     qreal _calibratedPitch;