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comparison: dom/system/qt/QTMLocationProvider.cpp
dom/system/qt/QTMLocationProvider.cpp
- changeset 0
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| -1:000000000000 | 0:dc8dec4f1560 |
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| 1 /* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "QTMLocationProvider.h" | |
| 7 #include "nsGeoPosition.h" | |
| 8 | |
| 9 using namespace mozilla; | |
| 10 | |
| 11 NS_IMPL_ISUPPORTS(QTMLocationProvider, nsIGeolocationProvider) | |
| 12 | |
| 13 QTMLocationProvider::QTMLocationProvider() | |
| 14 { | |
| 15 if (QMetaType::type("QGeoPositionInfo") == QMetaType::UnknownType) { | |
| 16 qRegisterMetaType<QGeoPositionInfo>("QGeoPositionInfo"); | |
| 17 } | |
| 18 mLocation = QGeoPositionInfoSource::createDefaultSource(this); | |
| 19 if (mLocation) | |
| 20 connect(mLocation, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(positionUpdated(QGeoPositionInfo))); | |
| 21 } | |
| 22 | |
| 23 QTMLocationProvider::~QTMLocationProvider() | |
| 24 { | |
| 25 delete mLocation; | |
| 26 } | |
| 27 | |
| 28 void | |
| 29 QTMLocationProvider::positionUpdated(const QGeoPositionInfo &geoPosition) | |
| 30 { | |
| 31 if (!geoPosition.isValid()) { | |
| 32 NS_WARNING("Invalida geoposition received"); | |
| 33 return; | |
| 34 } | |
| 35 | |
| 36 QGeoCoordinate coord = geoPosition.coordinate(); | |
| 37 double latitude = coord.latitude(); | |
| 38 double longitude = coord.longitude(); | |
| 39 double altitude = coord.altitude(); | |
| 40 double accuracy = geoPosition.attribute(QGeoPositionInfo::HorizontalAccuracy); | |
| 41 double altitudeAccuracy = geoPosition.attribute(QGeoPositionInfo::VerticalAccuracy); | |
| 42 double heading = geoPosition.attribute(QGeoPositionInfo::Direction); | |
| 43 | |
| 44 bool providesSpeed = geoPosition.hasAttribute(QGeoPositionInfo::GroundSpeed); | |
| 45 double speed = geoPosition.attribute(QGeoPositionInfo::GroundSpeed); | |
| 46 | |
| 47 nsRefPtr<nsGeoPosition> p = | |
| 48 new nsGeoPosition(latitude, longitude, | |
| 49 altitude, accuracy, | |
| 50 altitudeAccuracy, heading, | |
| 51 speed, geoPosition.timestamp().toTime_t()); | |
| 52 if (mCallback) { | |
| 53 mCallback->Update(p); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 NS_IMETHODIMP | |
| 58 QTMLocationProvider::Startup() | |
| 59 { | |
| 60 if (!mLocation) | |
| 61 return NS_ERROR_NOT_IMPLEMENTED; | |
| 62 | |
| 63 // Not all versions of qt5positioning set default prefered method | |
| 64 // thus this workaround initializing QGeoPositionSource explicitly | |
| 65 SetHighAccuracy(false); | |
| 66 mLocation->startUpdates(); | |
| 67 | |
| 68 return NS_OK; | |
| 69 } | |
| 70 | |
| 71 NS_IMETHODIMP | |
| 72 QTMLocationProvider::Watch(nsIGeolocationUpdate* aCallback) | |
| 73 { | |
| 74 mCallback = aCallback; | |
| 75 | |
| 76 return NS_OK; | |
| 77 } | |
| 78 | |
| 79 NS_IMETHODIMP | |
| 80 QTMLocationProvider::Shutdown() | |
| 81 { | |
| 82 if (!mLocation) | |
| 83 return NS_ERROR_NOT_IMPLEMENTED; | |
| 84 | |
| 85 mLocation->stopUpdates(); | |
| 86 mCallback = nullptr; | |
| 87 | |
| 88 return NS_OK; | |
| 89 } | |
| 90 | |
| 91 NS_IMETHODIMP | |
| 92 QTMLocationProvider::SetHighAccuracy(bool aHigh) | |
| 93 { | |
| 94 if (!mLocation) | |
| 95 return NS_ERROR_NOT_IMPLEMENTED; | |
| 96 | |
| 97 mLocation->setPreferredPositioningMethods(aHigh ? | |
| 98 QGeoPositionInfoSource::SatellitePositioningMethods : | |
| 99 QGeoPositionInfoSource::AllPositioningMethods); | |
| 100 return NS_OK; | |
| 101 } |
