зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
2.3 KiB
C++
90 строки
2.3 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "QTMLocationProvider.h"
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#include "nsGeoPosition.h"
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using namespace mozilla;
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NS_IMPL_ISUPPORTS1(QTMLocationProvider, nsIGeolocationProvider)
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QTMLocationProvider::QTMLocationProvider()
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{
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mLocation = QGeoPositionInfoSource::createDefaultSource(this);
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if (mLocation)
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connect(mLocation, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(positionUpdated(QGeoPositionInfo)));
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}
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QTMLocationProvider::~QTMLocationProvider()
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{
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delete mLocation;
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}
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void
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QTMLocationProvider::positionUpdated(const QGeoPositionInfo &geoPosition)
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{
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if (!geoPosition.isValid()) {
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NS_WARNING("Invalida geoposition received");
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return;
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}
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QGeoCoordinate coord = geoPosition.coordinate();
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double latitude = coord.latitude();
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double longitude = coord.longitude();
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double altitude = coord.altitude();
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double accuracy = geoPosition.attribute(QGeoPositionInfo::HorizontalAccuracy);
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double altitudeAccuracy = geoPosition.attribute(QGeoPositionInfo::VerticalAccuracy);
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double heading = geoPosition.attribute(QGeoPositionInfo::Direction);
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bool providesSpeed = geoPosition.hasAttribute(QGeoPositionInfo::GroundSpeed);
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double speed = geoPosition.attribute(QGeoPositionInfo::GroundSpeed);
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nsRefPtr<nsGeoPosition> p =
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new nsGeoPosition(latitude, longitude,
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altitude, accuracy,
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altitudeAccuracy, heading,
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speed, geoPosition.timestamp().toTime_t());
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if (mCallback) {
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mCallback->Update(p);
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}
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}
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NS_IMETHODIMP
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QTMLocationProvider::Startup()
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{
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if (!mLocation)
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return NS_ERROR_NOT_IMPLEMENTED;
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mLocation->startUpdates();
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return NS_OK;
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}
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NS_IMETHODIMP
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QTMLocationProvider::Watch(nsIGeolocationUpdate* aCallback)
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{
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mCallback = aCallback;
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return NS_OK;
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}
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NS_IMETHODIMP
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QTMLocationProvider::Shutdown()
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{
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if (!mLocation)
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return NS_ERROR_NOT_IMPLEMENTED;
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mLocation->stopUpdates();
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mCallback = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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QTMLocationProvider::SetHighAccuracy(bool)
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{
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return NS_OK;
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}
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