QtMobility.sensors has a new implementation

This implementation fixes the limitations the original code had
and separates the QtSensors C++ API from the QML API so that
changes to one don't need to affect the other.

Change-Id: I519463f3c7cfbad3bce5c291ce166b8793d5ed4a
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>

1 files changed, 143 insertions, 0 deletions

diff --git a/src/imports/sensors/qmlorientationsensor.cpp b/src/imports/sensors/qmlorientationsensor.cpp
new file mode 100644
index 00000000..9db69c19
--- /dev/null
+++ b/src/imports/sensors/qmlorientationsensor.cpp
@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** 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 "qmlorientationsensor.h"
+#include <QOrientationSensor>
+
+/*!
+    \qmltype OrientationSensor
+    \instantiates QmlOrientationSensor
+    \ingroup qml-sensors_type
+    \inqmlmodule QtMobility.sensors 1.3
+    \since QtMobility.sensors 1.1
+    \inherits QtMobility.sensors1::Sensor
+    \brief The OrientationSensor element reports device orientation.
+
+    The OrientationSensor element reports device orientation.
+
+    This element wraps the QOrientationSensor class. Please see the documentation for
+    QOrientationSensor for details.
+
+    \sa OrientationReading
+*/
+
+QmlOrientationSensor::QmlOrientationSensor(QObject *parent)
+    : QmlSensor(parent)
+    , m_sensor(new QOrientationSensor(this))
+{
+}
+
+QmlOrientationSensor::~QmlOrientationSensor()
+{
+}
+
+QmlSensorReading *QmlOrientationSensor::createReading() const
+{
+    return new QmlOrientationSensorReading(m_sensor);
+}
+
+QSensor *QmlOrientationSensor::sensor() const
+{
+    return m_sensor;
+}
+
+/*!
+    \qmltype OrientationReading
+    \instantiates QmlOrientationSensorReading
+    \ingroup qml-sensors_reading
+    \inqmlmodule QtMobility.sensors 1.3
+    \since QtMobility.sensors 1.1
+    \inherits QtMobility.sensors1::SensorReading
+    \brief The OrientationReading element holds the most recent OrientationSensor reading.
+
+    The OrientationReading element holds the most recent OrientationSensor reading.
+
+    This element wraps the QOrientationReading class. Please see the documentation for
+    QOrientationReading for details.
+
+    This element cannot be directly created.
+*/
+
+QmlOrientationSensorReading::QmlOrientationSensorReading(QOrientationSensor *sensor)
+    : QmlSensorReading(sensor)
+    , m_sensor(sensor)
+{
+}
+
+QmlOrientationSensorReading::~QmlOrientationSensorReading()
+{
+}
+
+/*!
+    \qmlproperty Orientation QtMobility.sensors1::OrientationReading::orientation
+    This property holds the orientation of the device.
+
+    Please see QOrientationReading::orientation for information about this property.
+
+    Note that Orientation constants are exposed through the OrientationReading class.
+    \code
+        OrientationSensor {
+            onReadingChanged: {
+                if (reading.orientation == OrientationReading.TopUp)
+                    // do something
+            }
+        }
+    \endcode
+*/
+
+QOrientationReading::Orientation QmlOrientationSensorReading::orientation() const
+{
+    return m_orientation;
+}
+
+QSensorReading *QmlOrientationSensorReading::reading() const
+{
+    return m_sensor->reading();
+}
+
+void QmlOrientationSensorReading::readingUpdate()
+{
+    QOrientationReading::Orientation o = m_sensor->reading()->orientation();
+    if (m_orientation != o) {
+        m_orientation = o;
+        Q_EMIT orientationChanged();
+    }
+}