The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/system/qt/QTMLocationProvider.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,101 @@
     1.4 +/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
     1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "QTMLocationProvider.h"
    1.10 +#include "nsGeoPosition.h"
    1.11 +
    1.12 +using namespace mozilla;
    1.13 +
    1.14 +NS_IMPL_ISUPPORTS(QTMLocationProvider, nsIGeolocationProvider)
    1.15 +
    1.16 +QTMLocationProvider::QTMLocationProvider()
    1.17 +{
    1.18 +    if (QMetaType::type("QGeoPositionInfo") == QMetaType::UnknownType) {
    1.19 +        qRegisterMetaType<QGeoPositionInfo>("QGeoPositionInfo");
    1.20 +    }
    1.21 +    mLocation = QGeoPositionInfoSource::createDefaultSource(this);
    1.22 +    if (mLocation)
    1.23 +        connect(mLocation, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(positionUpdated(QGeoPositionInfo)));
    1.24 +}
    1.25 +
    1.26 +QTMLocationProvider::~QTMLocationProvider()
    1.27 +{
    1.28 +    delete mLocation;
    1.29 +}
    1.30 +
    1.31 +void
    1.32 +QTMLocationProvider::positionUpdated(const QGeoPositionInfo &geoPosition)
    1.33 +{
    1.34 +    if (!geoPosition.isValid()) {
    1.35 +        NS_WARNING("Invalida geoposition received");
    1.36 +        return;
    1.37 +    }
    1.38 +
    1.39 +    QGeoCoordinate coord = geoPosition.coordinate();
    1.40 +    double latitude = coord.latitude();
    1.41 +    double longitude = coord.longitude();
    1.42 +    double altitude = coord.altitude();
    1.43 +    double accuracy = geoPosition.attribute(QGeoPositionInfo::HorizontalAccuracy);
    1.44 +    double altitudeAccuracy = geoPosition.attribute(QGeoPositionInfo::VerticalAccuracy);
    1.45 +    double heading = geoPosition.attribute(QGeoPositionInfo::Direction);
    1.46 +
    1.47 +    bool providesSpeed = geoPosition.hasAttribute(QGeoPositionInfo::GroundSpeed);
    1.48 +    double speed = geoPosition.attribute(QGeoPositionInfo::GroundSpeed);
    1.49 +
    1.50 +    nsRefPtr<nsGeoPosition> p =
    1.51 +        new nsGeoPosition(latitude, longitude,
    1.52 +                          altitude, accuracy,
    1.53 +                          altitudeAccuracy, heading,
    1.54 +                          speed, geoPosition.timestamp().toTime_t());
    1.55 +    if (mCallback) {
    1.56 +        mCallback->Update(p);
    1.57 +    }
    1.58 +}
    1.59 +
    1.60 +NS_IMETHODIMP
    1.61 +QTMLocationProvider::Startup()
    1.62 +{
    1.63 +    if (!mLocation)
    1.64 +        return NS_ERROR_NOT_IMPLEMENTED;
    1.65 +
    1.66 +    // Not all versions of qt5positioning set default prefered method
    1.67 +    // thus this workaround initializing QGeoPositionSource explicitly
    1.68 +    SetHighAccuracy(false);
    1.69 +    mLocation->startUpdates();
    1.70 +
    1.71 +    return NS_OK;
    1.72 +}
    1.73 +
    1.74 +NS_IMETHODIMP
    1.75 +QTMLocationProvider::Watch(nsIGeolocationUpdate* aCallback)
    1.76 +{
    1.77 +    mCallback = aCallback;
    1.78 +
    1.79 +    return NS_OK;
    1.80 +}
    1.81 +
    1.82 +NS_IMETHODIMP
    1.83 +QTMLocationProvider::Shutdown()
    1.84 +{
    1.85 +    if (!mLocation)
    1.86 +        return NS_ERROR_NOT_IMPLEMENTED;
    1.87 +
    1.88 +    mLocation->stopUpdates();
    1.89 +    mCallback = nullptr;
    1.90 +
    1.91 +    return NS_OK;
    1.92 +}
    1.93 +
    1.94 +NS_IMETHODIMP
    1.95 +QTMLocationProvider::SetHighAccuracy(bool aHigh)
    1.96 +{
    1.97 +    if (!mLocation)
    1.98 +        return NS_ERROR_NOT_IMPLEMENTED;
    1.99 +
   1.100 +    mLocation->setPreferredPositioningMethods(aHigh ?
   1.101 +                                              QGeoPositionInfoSource::SatellitePositioningMethods :
   1.102 +                                              QGeoPositionInfoSource::AllPositioningMethods);
   1.103 +    return NS_OK;
   1.104 +}