Implement WinRT plugin for positioning

[ChangeLog][QtPositioning][QGeoPositionInfoSource] WinRT backend added.

Change-Id: I00e7725a082aa485c3ab5afcaebd20344b48e07d
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>

7 files changed, 657 insertions, 0 deletions

diff --git a/src/plugins/position/position.pro b/src/plugins/position/position.pro
index 0e2f9a5d..636bcc54 100644
--- a/src/plugins/position/position.pro
+++ b/src/plugins/position/position.pro
@@ -6,6 +6,7 @@ qtHaveModule(simulator):SUBDIRS += simulator
 blackberry:SUBDIRS += blackberry
 ios:SUBDIRS += corelocation
 android:!android-no-sdk:SUBDIRS += android
+winrt:SUBDIRS += winrt
 
 SUBDIRS += \
     positionpoll
diff --git a/src/plugins/position/winrt/plugin.json b/src/plugins/position/winrt/plugin.json
new file mode 100644
index 00000000..5bb21702
--- /dev/null
+++ b/src/plugins/position/winrt/plugin.json
@@ -0,0 +1,8 @@
+{
+    "Keys": ["winrt"],
+    "Provider": "winrt",
+    "Position": true,
+    "Satellite": false,
+    "Monitor" : false,
+    "Priority": 1000
+}
diff --git a/src/plugins/position/winrt/qgeopositioninfosource_winrt.cpp b/src/plugins/position/winrt/qgeopositioninfosource_winrt.cpp
new file mode 100644
index 00000000..f979a9df
--- /dev/null
+++ b/src/plugins/position/winrt/qgeopositioninfosource_winrt.cpp
@@ -0,0 +1,392 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtPositioning 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 "qgeopositioninfosource_winrt_p.h"
+
+#include <QCoreApplication>
+
+#include <windows.system.h>
+#include <windows.devices.geolocation.h>
+#include <windows.foundation.collections.h>
+
+using namespace Microsoft::WRL;
+using namespace Microsoft::WRL::Wrappers;
+using namespace ABI::Windows::Devices::Geolocation;
+using namespace ABI::Windows::Foundation;
+using namespace ABI::Windows::System;
+
+typedef ITypedEventHandler<Geolocator *, PositionChangedEventArgs *> GeoLocatorPositionHandler;
+typedef ITypedEventHandler<Geolocator *, StatusChangedEventArgs *> GeoLocatorStatusHandler;
+
+QT_BEGIN_NAMESPACE
+
+QGeoPositionInfoSourceWinrt::QGeoPositionInfoSourceWinrt(QObject *parent)
+    : QGeoPositionInfoSource(parent)
+    , m_positionError(QGeoPositionInfoSource::NoError)
+    , m_updatesOngoing(false)
+{
+    HRESULT hr = RoActivateInstance(HString::MakeReference(RuntimeClass_Windows_Devices_Geolocation_Geolocator).Get(),
+                                    &m_locator);
+
+    if (FAILED(hr)) {
+        setError(QGeoPositionInfoSource::UnknownSourceError);
+        qErrnoWarning(hr, "Could not initialize native location services");
+        return;
+    }
+
+    hr = m_locator->put_ReportInterval(minimumUpdateInterval());
+    if (FAILED(hr)) {
+        setError(QGeoPositionInfoSource::UnknownSourceError);
+        qErrnoWarning(hr, "Could not initialize report interval");
+        return;
+    }
+    hr = m_locator->put_DesiredAccuracy(PositionAccuracy::PositionAccuracy_High);
+    if (FAILED(hr)) {
+        setError(QGeoPositionInfoSource::UnknownSourceError);
+        qErrnoWarning(hr, "Could not initialize desired accuracy");
+        return;
+    }
+
+    m_positionToken.value = 0;
+
+    m_periodicTimer.setSingleShot(true);
+    m_periodicTimer.setInterval(minimumUpdateInterval());
+    connect(&m_periodicTimer, SIGNAL(timeout()), this, SLOT(virtualPositionUpdate()));
+
+    m_singleUpdateTimer.setSingleShot(true);
+    connect(&m_singleUpdateTimer, SIGNAL(timeout()), this, SLOT(singleUpdateTimeOut()));
+
+    setPreferredPositioningMethods(QGeoPositionInfoSource::AllPositioningMethods);
+}
+
+QGeoPositionInfoSourceWinrt::~QGeoPositionInfoSourceWinrt()
+{
+}
+
+QGeoPositionInfo QGeoPositionInfoSourceWinrt::lastKnownPosition(bool fromSatellitePositioningMethodsOnly) const
+{
+    Q_UNUSED(fromSatellitePositioningMethodsOnly)
+    return m_lastPosition;
+}
+
+QGeoPositionInfoSource::PositioningMethods QGeoPositionInfoSourceWinrt::supportedPositioningMethods() const
+{
+    PositionStatus status;
+    HRESULT hr = m_locator->get_LocationStatus(&status);
+    if (FAILED(hr))
+        return QGeoPositionInfoSource::NoPositioningMethods;
+
+    switch (status) {
+    case PositionStatus::PositionStatus_NoData:
+    case PositionStatus::PositionStatus_Disabled:
+    case PositionStatus::PositionStatus_NotAvailable:
+        return QGeoPositionInfoSource::NoPositioningMethods;
+    }
+
+    return QGeoPositionInfoSource::AllPositioningMethods;
+}
+
+void QGeoPositionInfoSourceWinrt::setPreferredPositioningMethods(QGeoPositionInfoSource::PositioningMethods methods)
+{
+    PositioningMethods previousPreferredPositioningMethods = preferredPositioningMethods();
+    QGeoPositionInfoSource::setPreferredPositioningMethods(methods);
+    if (previousPreferredPositioningMethods == preferredPositioningMethods())
+        return;
+
+    bool needsRestart = m_positionToken.value != 0;
+
+    if (needsRestart)
+        stopHandler();
+
+    HRESULT hr;
+    if (methods & PositioningMethod::SatellitePositioningMethods)
+        hr = m_locator->put_DesiredAccuracy(PositionAccuracy::PositionAccuracy_High);
+    else
+        hr = m_locator->put_DesiredAccuracy(PositionAccuracy::PositionAccuracy_Default);
+
+    if (FAILED(hr)) {
+        qErrnoWarning(hr, "Could not set positioning accuracy");
+        return;
+    }
+
+    if (needsRestart)
+        startHandler();
+}
+
+void QGeoPositionInfoSourceWinrt::setUpdateInterval(int msec)
+{
+    // If msec is 0 we send updates as data becomes available, otherwise we force msec to be equal
+    // to or larger than the minimum update interval.
+    if (msec != 0 && msec < minimumUpdateInterval())
+        msec = minimumUpdateInterval();
+
+    HRESULT hr = m_locator->put_ReportInterval(msec);
+    if (FAILED(hr)) {
+        setError(QGeoPositionInfoSource::UnknownSourceError);
+        qErrnoWarning(hr, "Failed to set update interval");
+        return;
+    }
+    if (msec != 0)
+        m_periodicTimer.setInterval(msec);
+    else
+        m_periodicTimer.setInterval(minimumUpdateInterval());
+
+    QGeoPositionInfoSource::setUpdateInterval(msec);
+}
+
+int QGeoPositionInfoSourceWinrt::minimumUpdateInterval() const
+{
+    // We use one second to reduce potential timer events
+    // in case the platform itself stops reporting
+    return 1000;
+}
+
+void QGeoPositionInfoSourceWinrt::startUpdates()
+{
+    if (m_updatesOngoing)
+        return;
+
+    if (!startHandler())
+        return;
+    m_updatesOngoing = true;
+    m_periodicTimer.start();
+}
+
+void QGeoPositionInfoSourceWinrt::stopUpdates()
+{
+    stopHandler();
+    m_updatesOngoing = false;
+    m_periodicTimer.stop();
+}
+
+bool QGeoPositionInfoSourceWinrt::startHandler()
+{
+    // Check if already attached
+    if (m_positionToken.value != 0)
+        return true;
+
+    if (preferredPositioningMethods() == QGeoPositionInfoSource::NoPositioningMethods) {
+        setError(QGeoPositionInfoSource::UnknownSourceError);
+        return false;
+    }
+
+    if (!checkNativeState())
+        return false;
+
+    HRESULT hr = m_locator->add_PositionChanged(Callback<GeoLocatorPositionHandler>(this,
+                                                &QGeoPositionInfoSourceWinrt::onPositionChanged).Get(),
+                                                &m_positionToken);
+
+    if (FAILED(hr)) {
+        setError(QGeoPositionInfoSource::UnknownSourceError);
+        qErrnoWarning(hr, "Could not add position handler");
+        return false;
+    }
+    return true;
+}
+
+void QGeoPositionInfoSourceWinrt::stopHandler()
+{
+    if (!m_positionToken.value)
+        return;
+    m_locator->remove_PositionChanged(m_positionToken);
+    m_positionToken.value = 0;
+}
+
+void QGeoPositionInfoSourceWinrt::requestUpdate(int timeout)
+{
+    if (timeout < minimumUpdateInterval()) {
+        emit updateTimeout();
+        return;
+    }
+    startHandler();
+    m_singleUpdateTimer.start(timeout);
+}
+
+void QGeoPositionInfoSourceWinrt::virtualPositionUpdate()
+{
+    // Need to check if services are still running and ok
+    if (!checkNativeState()) {
+        stopUpdates();
+        return;
+    }
+
+    // The operating system did not provide information in time
+    // Hence we send a virtual position update to keep same behavior
+    // between backends.
+    // This only applies to the periodic timer, not for single requests
+    // We can only do this if we received a valid position before
+    if (m_lastPosition.isValid()) {
+        QGeoPositionInfo sent = m_lastPosition;
+        sent.setTimestamp(QDateTime::currentDateTime());
+        m_lastPosition = sent;
+        emit positionUpdated(sent);
+    }
+    m_periodicTimer.start();
+}
+
+void QGeoPositionInfoSourceWinrt::singleUpdateTimeOut()
+{
+    emit updateTimeout();
+    if (!m_updatesOngoing)
+        stopHandler();
+}
+
+QGeoPositionInfoSource::Error QGeoPositionInfoSourceWinrt::error() const
+{
+    return m_positionError;
+}
+
+void QGeoPositionInfoSourceWinrt::setError(QGeoPositionInfoSource::Error positionError)
+{
+    if (positionError == m_positionError)
+        return;
+    m_positionError = positionError;
+    emit QGeoPositionInfoSource::error(positionError);
+}
+
+bool QGeoPositionInfoSourceWinrt::checkNativeState()
+{
+    PositionStatus status;
+    HRESULT hr = m_locator->get_LocationStatus(&status);
+    if (FAILED(hr)) {
+        setError(QGeoPositionInfoSource::UnknownSourceError);
+        qErrnoWarning(hr, "Could not query status");
+        return false;
+    }
+
+    bool result = false;
+    switch (status) {
+    case PositionStatus::PositionStatus_NotAvailable:
+        setError(QGeoPositionInfoSource::UnknownSourceError);
+        break;
+    case PositionStatus::PositionStatus_Disabled:
+    case PositionStatus::PositionStatus_NoData:
+        setError(QGeoPositionInfoSource::ClosedError);
+        break;
+    default:
+        setError(QGeoPositionInfoSource::NoError);
+        result = true;
+        break;
+    }
+    return result;
+}
+
+HRESULT QGeoPositionInfoSourceWinrt::onPositionChanged(IGeolocator *locator, IPositionChangedEventArgs *args)
+{
+    Q_UNUSED(locator);
+
+    m_periodicTimer.stop();
+
+    HRESULT hr;
+    ComPtr<IGeoposition> pos;
+    hr = args->get_Position(&pos);
+    if (FAILED(hr))
+        qErrnoWarning(hr, "Could not access position object");
+
+    QGeoPositionInfo currentInfo;
+
+    ComPtr<IGeocoordinate> coord;
+    hr = pos->get_Coordinate(&coord);
+    if (FAILED(hr))
+        qErrnoWarning(hr, "Could not access coordinate");
+
+    DOUBLE lat;
+    hr = coord->get_Latitude(&lat);
+    if (FAILED(hr))
+        qErrnoWarning(hr, "Could not access latitude");
+
+    DOUBLE lon;
+    hr = coord->get_Longitude(&lon);
+    if (FAILED(hr))
+        qErrnoWarning(hr, "Could not access longitude");
+
+    // Depending on data source altitude can
+    // be identified or not
+    IReference<double> *alt;
+    hr = coord->get_Altitude(&alt);
+    if (SUCCEEDED(hr) && alt) {
+        double altd;
+        hr = alt->get_Value(&altd);
+        currentInfo.setCoordinate(QGeoCoordinate(lat, lon, altd));
+    } else {
+        currentInfo.setCoordinate(QGeoCoordinate(lat, lon));
+    }
+
+    DOUBLE accuracy;
+    hr = coord->get_Accuracy(&accuracy);
+    if (SUCCEEDED(hr))
+        currentInfo.setAttribute(QGeoPositionInfo::HorizontalAccuracy, accuracy);
+
+    IReference<double> *altAccuracy;
+    hr = coord->get_AltitudeAccuracy(&altAccuracy);
+    if (SUCCEEDED(hr) && altAccuracy) {
+        double value;
+        hr = alt->get_Value(&value);
+        currentInfo.setAttribute(QGeoPositionInfo::VerticalAccuracy, value);
+    }
+
+    IReference<double> *speed;
+    hr = coord->get_Speed(&speed);
+    if (SUCCEEDED(hr) && speed) {
+        double value;
+        hr = speed->get_Value(&value);
+        currentInfo.setAttribute(QGeoPositionInfo::GroundSpeed, value);
+    }
+
+    currentInfo.setTimestamp(QDateTime::currentDateTime());
+
+    m_lastPosition = currentInfo;
+
+    if (m_updatesOngoing)
+        m_periodicTimer.start();
+
+    if (m_singleUpdateTimer.isActive()) {
+        m_singleUpdateTimer.stop();
+        if (!m_updatesOngoing)
+            stopHandler();
+    }
+
+    emit positionUpdated(currentInfo);
+    return S_OK;
+}
+
+QT_END_NAMESPACE
diff --git a/src/plugins/position/winrt/qgeopositioninfosource_winrt_p.h b/src/plugins/position/winrt/qgeopositioninfosource_winrt_p.h
new file mode 100644
index 00000000..9f67a990
--- /dev/null
+++ b/src/plugins/position/winrt/qgeopositioninfosource_winrt_p.h
@@ -0,0 +1,117 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtPositioning 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 QGEOPOSITIONINFOSOURCEWINRT_H
+#define QGEOPOSITIONINFOSOURCEWINRT_H
+
+#include "qgeopositioninfosource.h"
+#include "qgeopositioninfo.h"
+
+#include <QTimer>
+
+#include <EventToken.h>
+#include <wrl.h>
+
+namespace ABI {
+    namespace Windows {
+        namespace Devices {
+            namespace Geolocation{
+                struct IGeolocator;
+                struct IPositionChangedEventArgs;
+                struct IStatusChangedEventArgs;
+            }
+        }
+    }
+}
+
+QT_BEGIN_NAMESPACE
+
+class QGeoPositionInfoSourceWinrt : public QGeoPositionInfoSource
+{
+    Q_OBJECT
+public:
+    QGeoPositionInfoSourceWinrt(QObject *parent = 0);
+    ~QGeoPositionInfoSourceWinrt();
+
+    QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;
+    PositioningMethods supportedPositioningMethods() const;
+
+    void setPreferredPositioningMethods(PositioningMethods methods);
+
+    void setUpdateInterval(int msec);
+    int minimumUpdateInterval() const;
+    Error error() const;
+
+    HRESULT onPositionChanged(ABI::Windows::Devices::Geolocation::IGeolocator *locator,
+                              ABI::Windows::Devices::Geolocation::IPositionChangedEventArgs *args);
+
+public slots:
+    void startUpdates();
+    void stopUpdates();
+
+    void requestUpdate(int timeout = 0);
+
+private slots:
+    void stopHandler();
+    void virtualPositionUpdate();
+    void singleUpdateTimeOut();
+private:
+    bool startHandler();
+
+    Q_DISABLE_COPY(QGeoPositionInfoSourceWinrt)
+    void setError(QGeoPositionInfoSource::Error positionError);
+    bool checkNativeState();
+
+    Microsoft::WRL::ComPtr<ABI::Windows::Devices::Geolocation::IGeolocator> m_locator;
+    EventRegistrationToken m_positionToken;
+
+    QGeoPositionInfo m_lastPosition;
+    QGeoPositionInfoSource::Error m_positionError;
+
+    //EventRegistrationToken m_StatusToken;
+    QTimer m_periodicTimer;
+    QTimer m_singleUpdateTimer;
+    bool m_updatesOngoing;
+};
+
+QT_END_NAMESPACE
+
+#endif // QGEOPOSITIONINFOSOURCEWINRT_H
diff --git a/src/plugins/position/winrt/qgeopositioninfosourcefactory_winrt.cpp b/src/plugins/position/winrt/qgeopositioninfosourcefactory_winrt.cpp
new file mode 100644
index 00000000..be51cd20
--- /dev/null
+++ b/src/plugins/position/winrt/qgeopositioninfosourcefactory_winrt.cpp
@@ -0,0 +1,60 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtPositioning 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 "qgeopositioninfosourcefactory_winrt.h"
+#include "qgeopositioninfosource_winrt_p.h"
+
+QGeoPositionInfoSource *QGeoPositionInfoSourceFactoryWinrt::positionInfoSource(QObject *parent)
+{
+    return new QGeoPositionInfoSourceWinrt(parent);
+}
+
+QGeoSatelliteInfoSource *QGeoPositionInfoSourceFactoryWinrt::satelliteInfoSource(QObject *parent)
+{
+    Q_UNUSED(parent);
+    return 0;
+}
+
+QGeoAreaMonitorSource *QGeoPositionInfoSourceFactoryWinrt::areaMonitor(QObject *parent)
+{
+    Q_UNUSED(parent);
+    return 0;
+}
diff --git a/src/plugins/position/winrt/qgeopositioninfosourcefactory_winrt.h b/src/plugins/position/winrt/qgeopositioninfosourcefactory_winrt.h
new file mode 100644
index 00000000..41ba1d16
--- /dev/null
+++ b/src/plugins/position/winrt/qgeopositioninfosourcefactory_winrt.h
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtPositioning 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 QGEOPOSITIONINFOSOURCEFACTORY_WINRT_H
+#define QGEOPOSITIONINFOSOURCEFACTORY_WINRT_H
+
+#include <QObject>
+#include <QGeoPositionInfoSourceFactory>
+
+QT_BEGIN_NAMESPACE
+
+class QGeoPositionInfoSourceFactoryWinrt : public QObject, public QGeoPositionInfoSourceFactory
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "org.qt-project.qt.position.sourcefactory/5.0"
+                      FILE "plugin.json")
+    Q_INTERFACES(QGeoPositionInfoSourceFactory)
+public:
+    QGeoPositionInfoSource *positionInfoSource(QObject *parent);
+    QGeoSatelliteInfoSource *satelliteInfoSource(QObject *parent);
+    QGeoAreaMonitorSource *areaMonitor(QObject *parent);
+};
+
+QT_END_NAMESPACE
+
+#endif // QGEOPOSITIONINFOSOURCEFACTORY_WINRT_H
diff --git a/src/plugins/position/winrt/winrt.pro b/src/plugins/position/winrt/winrt.pro
new file mode 100644
index 00000000..2632d4f8
--- /dev/null
+++ b/src/plugins/position/winrt/winrt.pro
@@ -0,0 +1,15 @@
+TARGET = qtposition_winrt
+QT = core positioning
+
+PLUGIN_TYPE = position
+load(qt_plugin)
+
+INCLUDEPATH += $$QT.location.includes
+
+SOURCES += qgeopositioninfosource_winrt.cpp \
+    qgeopositioninfosourcefactory_winrt.cpp
+HEADERS += qgeopositioninfosource_winrt_p.h \
+    qgeopositioninfosourcefactory_winrt.h
+
+OTHER_FILES += \
+    plugin.json