+++ /dev/null
-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Qt Mobility Components.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "liblocationwrapper_p.h"
-
-#include <QDateTime>
-
-using namespace std;
-
-QTM_BEGIN_NAMESPACE
-
-Q_GLOBAL_STATIC(LiblocationWrapper, LocationEngine)
-
-LiblocationWrapper *LiblocationWrapper::instance()
-{
- return LocationEngine();
-}
-
-LiblocationWrapper::LiblocationWrapper()
- : file(NULL),
- locationControl(NULL),
- locationDevice(NULL),
- errorHandlerId(0),
- posChangedId(0),
- origUpdateInterval(0),
- startcounter(0),
- validLastUpdate(false),
- validLastSatUpdate(false),
- locationState(LiblocationWrapper::Undefined) {
- qDebug() << "* LiblocationWrapper Fremantle Backport";
-}
-
-LiblocationWrapper::~LiblocationWrapper()
-{
- if (locationDevice)
- g_object_unref(locationDevice);
- if (locationControl)
- g_object_unref(locationControl);
-}
-
-bool LiblocationWrapper::inited()
-{
- int retval = false;
- if (!(locationState & LiblocationWrapper::Inited)) {
- g_type_init();
-
- locationControl = location_gpsd_control_get_default();
-
- if (locationControl) {
- g_object_set(G_OBJECT(locationControl),
- "preferred-method", LOCATION_METHOD_USER_SELECTED,
- "preferred-interval", LOCATION_INTERVAL_1S,
- NULL);
- locationDevice =
- (LocationGPSDevice*)g_object_new(LOCATION_TYPE_GPS_DEVICE,
- NULL);
-
- if (locationDevice) {
- errorHandlerId =
- g_signal_connect(G_OBJECT(locationControl), "error-verbose",
- G_CALLBACK(&locationError),
- static_cast<void*>(this));
- posChangedId =
- g_signal_connect(G_OBJECT(locationDevice), "changed",
- G_CALLBACK(&locationChanged),
- static_cast<void*>(this));
- locationState = LiblocationWrapper::Inited;
- retval = true;
- startcounter = 0;
- }
- }
- } else {
- retval = true;
- }
- return retval;
-}
-
-void LiblocationWrapper::locationError(LocationGPSDevice *device,
- gint errorCode, gpointer data)
-{
- Q_UNUSED(device);
- QString locationError;
-
- switch (errorCode) {
- case LOCATION_ERROR_USER_REJECTED_DIALOG:
- locationError = "User didn't enable requested methods";
- break;
- case LOCATION_ERROR_USER_REJECTED_SETTINGS:
- locationError = "User changed settings, which disabled location.";
- break;
- case LOCATION_ERROR_BT_GPS_NOT_AVAILABLE:
- locationError = "Problems with BT GPS";
- break;
- case LOCATION_ERROR_METHOD_NOT_ALLOWED_IN_OFFLINE_MODE:
- locationError = "Requested method is not allowed in offline mode";
- break;
- case LOCATION_ERROR_SYSTEM:
- locationError = "System error.";
- break;
- default:
- locationError = "Unknown error.";
- }
-
- qDebug() << "Location error:" << locationError;
-
- LiblocationWrapper *object;
- object = (LiblocationWrapper *)data;
- emit object->error();
-}
-
-void LiblocationWrapper::locationChanged(LocationGPSDevice *device,
- gpointer data)
-{
- QGeoPositionInfo posInfo;
- QGeoCoordinate coordinate;
- QGeoSatelliteInfo satInfo;
- int satellitesInUseCount = 0;
- LiblocationWrapper *object;
-
- if (!data || !device) {
- return;
- }
-
- object = (LiblocationWrapper *)data;
-
- if (device) {
- if (device->fix) {
- if (device->fix->fields & LOCATION_GPS_DEVICE_TIME_SET) {
- posInfo.setTimestamp(QDateTime::fromTime_t(device->fix->time));
- }
-
- if (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET) {
- coordinate.setLatitude(device->fix->latitude);
- coordinate.setLongitude(device->fix->longitude);
- posInfo.setAttribute(QGeoPositionInfo::HorizontalAccuracy,
- device->fix->eph / 100.0);
- posInfo.setAttribute(QGeoPositionInfo::VerticalAccuracy,
- device->fix->epv);
- }
-
- if (device->fix->fields & LOCATION_GPS_DEVICE_ALTITUDE_SET) {
- coordinate.setAltitude(device->fix->altitude);
- }
-
- if (device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
- posInfo.setAttribute(QGeoPositionInfo::GroundSpeed,
- device->fix->speed / 3.6);
- }
-
- if (device->fix->fields & LOCATION_GPS_DEVICE_CLIMB_SET) {
- posInfo.setAttribute(QGeoPositionInfo::VerticalSpeed,
- device->fix->climb);
- }
-
- if (device->fix->fields & LOCATION_GPS_DEVICE_TRACK_SET) {
- posInfo.setAttribute(QGeoPositionInfo::Direction,
- device->fix->track);
- }
- }
-
- if (device->satellites_in_view) {
- QList<QGeoSatelliteInfo> satsInView;
- QList<QGeoSatelliteInfo> satsInUse;
- unsigned int i;
- for (i = 0;i < device->satellites->len;i++) {
- LocationGPSDeviceSatellite *satData =
- (LocationGPSDeviceSatellite *)g_ptr_array_index(device->satellites,
- i);
- satInfo.setSignalStrength(satData->signal_strength);
- satInfo.setPrnNumber(satData->prn);
- satInfo.setAttribute(QGeoSatelliteInfo::Elevation,
- satData->elevation);
- satInfo.setAttribute(QGeoSatelliteInfo::Azimuth,
- satData->azimuth);
-
- satsInView.append(satInfo);
- if (satData->in_use) {
- satellitesInUseCount++;
- satsInUse.append(satInfo);
- }
- }
-
- if (!satsInView.isEmpty())
- object->satellitesInViewUpdated(satsInView);
-
- if (!satsInUse.isEmpty())
- object->satellitesInUseUpdated(satsInUse);
- }
- }
-
- posInfo.setCoordinate(coordinate);
-
- emit object->positionUpdated(posInfo);
-}
-
-QGeoPositionInfo LiblocationWrapper::lastKnownPosition(bool fromSatellitePositioningMethodsOnly) const
-{
- QGeoPositionInfo posInfo;
- QGeoCoordinate coordinate;
- double time;
- double latitude;
- double longitude;
- double altitude;
- double speed;
- double track;
- double climb;
-
- GConfItem lastKnownPositionTime("/system/nokia/location/lastknown/time");
- GConfItem lastKnownPositionLatitude("/system/nokia/location/lastknown/latitude");
- GConfItem lastKnownPositionLongitude("/system/nokia/location/lastknown/longitude");
- GConfItem lastKnownPositionAltitude("/system/nokia/location/lastknown/altitude");
- GConfItem lastKnownPositionSpeed("/system/nokia/location/lastknown/speed");
- GConfItem lastKnownPositionTrack("/system/nokia/location/lastknown/track");
- GConfItem lastKnownPositionClimb("/system/nokia/location/lastknown/climb");
-
- if (validLastSatUpdate)
- return lastSatUpdate;
-
- if (!fromSatellitePositioningMethodsOnly)
- if (validLastUpdate)
- return lastUpdate;
-
- time = lastKnownPositionTime.value().toDouble();
- latitude = lastKnownPositionLatitude.value().toDouble();
- longitude = lastKnownPositionLongitude.value().toDouble();
- altitude = lastKnownPositionAltitude.value().toDouble();
- speed = lastKnownPositionSpeed.value().toDouble();
- track = lastKnownPositionTrack.value().toDouble();
- climb = lastKnownPositionClimb.value().toDouble();
-
- if (longitude && latitude) {
- coordinate.setLongitude(longitude);
- coordinate.setLatitude(latitude);
- if (altitude) {
- coordinate.setAltitude(altitude);
- }
- posInfo.setCoordinate(coordinate);
- }
-
- if (speed) {
- posInfo.setAttribute(QGeoPositionInfo::GroundSpeed, speed);
- }
-
- if (track) {
- posInfo.setAttribute(QGeoPositionInfo::Direction, track);
- }
-
- if (climb) {
- posInfo.setAttribute(QGeoPositionInfo::VerticalSpeed, climb);
- }
-
- // Only positions with time (3D) are provided.
- if (time) {
- posInfo.setTimestamp(QDateTime::fromTime_t(time));
- return posInfo;
- }
-
- return QGeoPositionInfo();
-}
-
-void LiblocationWrapper::satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &satellites)
-{
- satsInView = satellites;
-}
-
-void LiblocationWrapper::satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &satellites)
-{
- satsInUse = satellites;
-}
-
-QList<QGeoSatelliteInfo> LiblocationWrapper::satellitesInView()
-{
- return satsInView;
-}
-
-QList<QGeoSatelliteInfo> LiblocationWrapper::satellitesInUse()
-{
- return satsInUse;
-}
-
-void LiblocationWrapper::start() {
- startcounter++;
-
- if ((locationState & LiblocationWrapper::Inited) &&
- !(locationState & LiblocationWrapper::Started)) {
- if (!errorHandlerId) {
- errorHandlerId =
- g_signal_connect(G_OBJECT(locationControl), "error-verbose",
- G_CALLBACK(&locationError),
- static_cast<void*>(this));
- }
-
- if (!posChangedId) {
- posChangedId =
- g_signal_connect(G_OBJECT(locationDevice), "changed",
- G_CALLBACK(&locationChanged),
- static_cast<void*>(this));
- }
-
- location_gpsd_control_start(locationControl);
-
- locationState |= LiblocationWrapper::Started;
- locationState &= ~LiblocationWrapper::Stopped;
- }
-}
-
-void LiblocationWrapper::stop() {
- startcounter--;
-
- if (startcounter > 0)
- return;
-
- if ((locationState & (LiblocationWrapper::Started |
- LiblocationWrapper::Inited)) &&
- !(locationState & LiblocationWrapper::Stopped)) {
- if (errorHandlerId)
- g_signal_handler_disconnect(G_OBJECT(locationControl),
- errorHandlerId);
- if (posChangedId)
- g_signal_handler_disconnect(G_OBJECT(locationDevice),
- posChangedId);
- errorHandlerId = 0;
- posChangedId = 0;
- startcounter = 0;
- location_gpsd_control_stop(locationControl);
-
- locationState &= ~LiblocationWrapper::Started;
- locationState |= LiblocationWrapper::Stopped;
- }
-}
-
-bool LiblocationWrapper::isActive() {
- if (locationState & LiblocationWrapper::Started)
- return true;
- else
- return false;
-}
-
-#include "moc_liblocationwrapper_p.cpp"
-QTM_END_NAMESPACE
-
projects / googlelatitude / blobdiff