1/* 2 * Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies) 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this program; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21#include "config.h" 22#include "WebGeolocationProviderQt.h" 23 24#if ENABLE(GEOLOCATION) && HAVE(QTLOCATION) 25#include <QtLocation/QGeoPositionInfoSource> 26 27namespace WebKit { 28 29static inline const WebGeolocationProviderQt* toLocationProvider(const void* clientInfo) 30{ 31 return static_cast<const WebGeolocationProviderQt*>(clientInfo); 32} 33 34static void locationStartUpdating(WKGeolocationManagerRef geolocationManager, const void* clientInfo) 35{ 36 toLocationProvider(clientInfo)->startUpdating(); 37} 38 39static void locationStopUpdating(WKGeolocationManagerRef geolocationManager, const void* clientInfo) 40{ 41 toLocationProvider(clientInfo)->stopUpdating(); 42} 43 44WebGeolocationProviderQt* WebGeolocationProviderQt::create(WKGeolocationManagerRef manager) 45{ 46 return new WebGeolocationProviderQt(manager); 47} 48 49WKGeolocationProvider* WebGeolocationProviderQt::provider(const WebGeolocationProviderQt* location) 50{ 51 static WKGeolocationProvider provider = { 52 0, // This features the version. 53 location, // This points to the object implementer. 54 locationStartUpdating, // The callbacks are next. 55 locationStopUpdating 56 }; 57 58 return &provider; 59} 60 61WebGeolocationProviderQt::WebGeolocationProviderQt(WKGeolocationManagerRef manager) 62 : m_manager(manager) 63 , m_source(0) 64{ 65} 66 67WebGeolocationProviderQt::~WebGeolocationProviderQt() 68{ 69} 70 71void WebGeolocationProviderQt::updateTimeout() 72{ 73 WKGeolocationManagerProviderDidFailToDeterminePosition(m_manager); 74} 75 76void WebGeolocationProviderQt::positionUpdated(const QGeoPositionInfo& geoPosition) 77{ 78 if (!geoPosition.isValid()) 79 return; 80 81 QGeoCoordinate coord = geoPosition.coordinate(); 82 double latitude = coord.latitude(); 83 double longitude = coord.longitude(); 84 double accuracy = geoPosition.attribute(QGeoPositionInfo::HorizontalAccuracy); 85 double timeStampInSeconds = geoPosition.timestamp().toMSecsSinceEpoch() / 1000; 86 87 m_lastPosition.adopt(WKGeolocationPositionCreate(timeStampInSeconds, latitude, longitude, accuracy)); 88 89 WKGeolocationManagerProviderDidChangePosition(m_manager, m_lastPosition.get()); 90} 91 92void WebGeolocationProviderQt::startUpdating() const 93{ 94 if (!m_source) { 95 if (!(m_source = QGeoPositionInfoSource::createDefaultSource(const_cast<WebGeolocationProviderQt*>(this)))) { 96 // Let the manager known that the provider is not available. 97 WKGeolocationManagerSetProvider(m_manager, 0); 98 // Notify failure at retrieving the position. 99 WKGeolocationManagerProviderDidFailToDeterminePosition(m_manager); 100 return; 101 } 102 103 connect(m_source, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(positionUpdated(QGeoPositionInfo))); 104 connect(m_source, SIGNAL(updateTimeout()), this, SLOT(updateTimeout())); 105 } 106 107 m_source->startUpdates(); 108} 109 110void WebGeolocationProviderQt::stopUpdating() const 111{ 112 if (m_source) 113 m_source->stopUpdates(); 114} 115 116} // namespace WebKit 117 118#include "moc_WebGeolocationProviderQt.cpp" 119 120#endif // ENABLE(GEOLOCATION) 121