dom/system/qt/QTMLocationProvider.cpp@6474c204b198 (annotated)
dom/system/qt/QTMLocationProvider.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "QTMLocationProvider.h" |
| michael@0 | 7 | #include "nsGeoPosition.h" |
| michael@0 | 8 | |
| michael@0 | 9 | using namespace mozilla; |
| michael@0 | 10 | |
| michael@0 | 11 | NS_IMPL_ISUPPORTS(QTMLocationProvider, nsIGeolocationProvider) |
| michael@0 | 12 | |
| michael@0 | 13 | QTMLocationProvider::QTMLocationProvider() |
| michael@0 | 14 | { |
| michael@0 | 15 | if (QMetaType::type("QGeoPositionInfo") == QMetaType::UnknownType) { |
| michael@0 | 16 | qRegisterMetaType<QGeoPositionInfo>("QGeoPositionInfo"); |
| michael@0 | 17 | } |
| michael@0 | 18 | mLocation = QGeoPositionInfoSource::createDefaultSource(this); |
| michael@0 | 19 | if (mLocation) |
| michael@0 | 20 | connect(mLocation, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(positionUpdated(QGeoPositionInfo))); |
| michael@0 | 21 | } |
| michael@0 | 22 | |
| michael@0 | 23 | QTMLocationProvider::~QTMLocationProvider() |
| michael@0 | 24 | { |
| michael@0 | 25 | delete mLocation; |
| michael@0 | 26 | } |
| michael@0 | 27 | |
| michael@0 | 28 | void |
| michael@0 | 29 | QTMLocationProvider::positionUpdated(const QGeoPositionInfo &geoPosition) |
| michael@0 | 30 | { |
| michael@0 | 31 | if (!geoPosition.isValid()) { |
| michael@0 | 32 | NS_WARNING("Invalida geoposition received"); |
| michael@0 | 33 | return; |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | QGeoCoordinate coord = geoPosition.coordinate(); |
| michael@0 | 37 | double latitude = coord.latitude(); |
| michael@0 | 38 | double longitude = coord.longitude(); |
| michael@0 | 39 | double altitude = coord.altitude(); |
| michael@0 | 40 | double accuracy = geoPosition.attribute(QGeoPositionInfo::HorizontalAccuracy); |
| michael@0 | 41 | double altitudeAccuracy = geoPosition.attribute(QGeoPositionInfo::VerticalAccuracy); |
| michael@0 | 42 | double heading = geoPosition.attribute(QGeoPositionInfo::Direction); |
| michael@0 | 43 | |
| michael@0 | 44 | bool providesSpeed = geoPosition.hasAttribute(QGeoPositionInfo::GroundSpeed); |
| michael@0 | 45 | double speed = geoPosition.attribute(QGeoPositionInfo::GroundSpeed); |
| michael@0 | 46 | |
| michael@0 | 47 | nsRefPtr<nsGeoPosition> p = |
| michael@0 | 48 | new nsGeoPosition(latitude, longitude, |
| michael@0 | 49 | altitude, accuracy, |
| michael@0 | 50 | altitudeAccuracy, heading, |
| michael@0 | 51 | speed, geoPosition.timestamp().toTime_t()); |
| michael@0 | 52 | if (mCallback) { |
| michael@0 | 53 | mCallback->Update(p); |
| michael@0 | 54 | } |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | NS_IMETHODIMP |
| michael@0 | 58 | QTMLocationProvider::Startup() |
| michael@0 | 59 | { |
| michael@0 | 60 | if (!mLocation) |
| michael@0 | 61 | return NS_ERROR_NOT_IMPLEMENTED; |
| michael@0 | 62 | |
| michael@0 | 63 | // Not all versions of qt5positioning set default prefered method |
| michael@0 | 64 | // thus this workaround initializing QGeoPositionSource explicitly |
| michael@0 | 65 | SetHighAccuracy(false); |
| michael@0 | 66 | mLocation->startUpdates(); |
| michael@0 | 67 | |
| michael@0 | 68 | return NS_OK; |
| michael@0 | 69 | } |
| michael@0 | 70 | |
| michael@0 | 71 | NS_IMETHODIMP |
| michael@0 | 72 | QTMLocationProvider::Watch(nsIGeolocationUpdate* aCallback) |
| michael@0 | 73 | { |
| michael@0 | 74 | mCallback = aCallback; |
| michael@0 | 75 | |
| michael@0 | 76 | return NS_OK; |
| michael@0 | 77 | } |
| michael@0 | 78 | |
| michael@0 | 79 | NS_IMETHODIMP |
| michael@0 | 80 | QTMLocationProvider::Shutdown() |
| michael@0 | 81 | { |
| michael@0 | 82 | if (!mLocation) |
| michael@0 | 83 | return NS_ERROR_NOT_IMPLEMENTED; |
| michael@0 | 84 | |
| michael@0 | 85 | mLocation->stopUpdates(); |
| michael@0 | 86 | mCallback = nullptr; |
| michael@0 | 87 | |
| michael@0 | 88 | return NS_OK; |
| michael@0 | 89 | } |
| michael@0 | 90 | |
| michael@0 | 91 | NS_IMETHODIMP |
| michael@0 | 92 | QTMLocationProvider::SetHighAccuracy(bool aHigh) |
| michael@0 | 93 | { |
| michael@0 | 94 | if (!mLocation) |
| michael@0 | 95 | return NS_ERROR_NOT_IMPLEMENTED; |
| michael@0 | 96 | |
| michael@0 | 97 | mLocation->setPreferredPositioningMethods(aHigh ? |
| michael@0 | 98 | QGeoPositionInfoSource::SatellitePositioningMethods : |
| michael@0 | 99 | QGeoPositionInfoSource::AllPositioningMethods); |
| michael@0 | 100 | return NS_OK; |
| michael@0 | 101 | } |
