michael@0: /* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "QTMLocationProvider.h"
michael@0: #include "nsGeoPosition.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(QTMLocationProvider, nsIGeolocationProvider)
michael@0: 
michael@0: QTMLocationProvider::QTMLocationProvider()
michael@0: {
michael@0:     if (QMetaType::type("QGeoPositionInfo") == QMetaType::UnknownType) {
michael@0:         qRegisterMetaType<QGeoPositionInfo>("QGeoPositionInfo");
michael@0:     }
michael@0:     mLocation = QGeoPositionInfoSource::createDefaultSource(this);
michael@0:     if (mLocation)
michael@0:         connect(mLocation, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(positionUpdated(QGeoPositionInfo)));
michael@0: }
michael@0: 
michael@0: QTMLocationProvider::~QTMLocationProvider()
michael@0: {
michael@0:     delete mLocation;
michael@0: }
michael@0: 
michael@0: void
michael@0: QTMLocationProvider::positionUpdated(const QGeoPositionInfo &geoPosition)
michael@0: {
michael@0:     if (!geoPosition.isValid()) {
michael@0:         NS_WARNING("Invalida geoposition received");
michael@0:         return;
michael@0:     }
michael@0: 
michael@0:     QGeoCoordinate coord = geoPosition.coordinate();
michael@0:     double latitude = coord.latitude();
michael@0:     double longitude = coord.longitude();
michael@0:     double altitude = coord.altitude();
michael@0:     double accuracy = geoPosition.attribute(QGeoPositionInfo::HorizontalAccuracy);
michael@0:     double altitudeAccuracy = geoPosition.attribute(QGeoPositionInfo::VerticalAccuracy);
michael@0:     double heading = geoPosition.attribute(QGeoPositionInfo::Direction);
michael@0: 
michael@0:     bool providesSpeed = geoPosition.hasAttribute(QGeoPositionInfo::GroundSpeed);
michael@0:     double speed = geoPosition.attribute(QGeoPositionInfo::GroundSpeed);
michael@0: 
michael@0:     nsRefPtr<nsGeoPosition> p =
michael@0:         new nsGeoPosition(latitude, longitude,
michael@0:                           altitude, accuracy,
michael@0:                           altitudeAccuracy, heading,
michael@0:                           speed, geoPosition.timestamp().toTime_t());
michael@0:     if (mCallback) {
michael@0:         mCallback->Update(p);
michael@0:     }
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: QTMLocationProvider::Startup()
michael@0: {
michael@0:     if (!mLocation)
michael@0:         return NS_ERROR_NOT_IMPLEMENTED;
michael@0: 
michael@0:     // Not all versions of qt5positioning set default prefered method
michael@0:     // thus this workaround initializing QGeoPositionSource explicitly
michael@0:     SetHighAccuracy(false);
michael@0:     mLocation->startUpdates();
michael@0: 
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: QTMLocationProvider::Watch(nsIGeolocationUpdate* aCallback)
michael@0: {
michael@0:     mCallback = aCallback;
michael@0: 
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: QTMLocationProvider::Shutdown()
michael@0: {
michael@0:     if (!mLocation)
michael@0:         return NS_ERROR_NOT_IMPLEMENTED;
michael@0: 
michael@0:     mLocation->stopUpdates();
michael@0:     mCallback = nullptr;
michael@0: 
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: QTMLocationProvider::SetHighAccuracy(bool aHigh)
michael@0: {
michael@0:     if (!mLocation)
michael@0:         return NS_ERROR_NOT_IMPLEMENTED;
michael@0: 
michael@0:     mLocation->setPreferredPositioningMethods(aHigh ?
michael@0:                                               QGeoPositionInfoSource::SatellitePositioningMethods :
michael@0:                                               QGeoPositionInfoSource::AllPositioningMethods);
michael@0:     return NS_OK;
michael@0: }