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119 lines
3.8 KiB
C++
119 lines
3.8 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Qt code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Oleg Romashin <romaxa@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "QTMLocationProvider.h"
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#include "nsGeoPosition.h"
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using namespace QtMobility;
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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 = nsnull;
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return NS_OK;
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}
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