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/*
* Copyright (C) 2012 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "GeolocationProviderGeoclue.h"
#if ENABLE(GEOLOCATION) && !USE(GEOCLUE2)
using namespace WebCore;
void GeolocationProviderGeoclue::getPositionCallback(GeocluePosition* position, GeocluePositionFields fields, int timestamp, double latitude, double longitude, double altitude, GeoclueAccuracy* accuracy, GError* error, GeolocationProviderGeoclue* provider)
{
if (error) {
provider->errorOccurred(error->message);
g_error_free(error);
return;
}
provider->positionChanged(position, fields, timestamp, latitude, longitude, altitude, accuracy);
}
void GeolocationProviderGeoclue::positionChangedCallback(GeocluePosition* position, GeocluePositionFields fields, int timestamp, double latitude, double longitude, double altitude, GeoclueAccuracy* accuracy, GeolocationProviderGeoclue* provider)
{
provider->positionChanged(position, fields, timestamp, latitude, longitude, altitude, accuracy);
}
void GeolocationProviderGeoclue::createGeocluePositionCallback(GeoclueMasterClient*, GeocluePosition* position, GError *error, GeolocationProviderGeoclue* provider)
{
if (error) {
provider->errorOccurred(error->message);
g_error_free(error);
return;
}
provider->initializeGeocluePosition(position);
}
void GeolocationProviderGeoclue::geoclueClientSetRequirementsCallback(GeoclueMasterClient*, GError* error, GeolocationProviderGeoclue* provider)
{
if (error) {
provider->errorOccurred(error->message);
g_error_free(error);
}
}
void GeolocationProviderGeoclue::createGeoclueClientCallback(GeoclueMaster*, GeoclueMasterClient* client, char*, GError* error, GeolocationProviderGeoclue* provider)
{
if (error) {
provider->errorOccurred(error->message);
g_error_free(error);
return;
}
provider->initializeGeoclueClient(client);
}
GeolocationProviderGeoclue::GeolocationProviderGeoclue(GeolocationProviderGeoclueClient* client)
: m_client(client)
, m_latitude(0)
, m_longitude(0)
, m_altitude(0)
, m_accuracy(0)
, m_altitudeAccuracy(0)
, m_timestamp(0)
, m_enableHighAccuracy(false)
, m_isUpdating(false)
{
ASSERT(m_client);
}
GeolocationProviderGeoclue::~GeolocationProviderGeoclue()
{
}
void GeolocationProviderGeoclue::startUpdating()
{
ASSERT(!m_geoclueClient);
GRefPtr<GeoclueMaster> master = adoptGRef(geoclue_master_get_default());
geoclue_master_create_client_async(master.get(), reinterpret_cast<GeoclueCreateClientCallback>(createGeoclueClientCallback), this);
m_isUpdating = true;
}
void GeolocationProviderGeoclue::stopUpdating()
{
m_geocluePosition.clear();
m_geoclueClient.clear();
m_isUpdating = false;
}
void GeolocationProviderGeoclue::setEnableHighAccuracy(bool enable)
{
m_enableHighAccuracy = enable;
// If we're already updating we should report the new requirements in order
// to change to a more suitable provider if needed. If not, return.
if (!m_isUpdating)
return;
updateClientRequirements();
}
void GeolocationProviderGeoclue::initializeGeoclueClient(GeoclueMasterClient* geoclueClient)
{
ASSERT(GEOCLUE_IS_MASTER_CLIENT(geoclueClient));
// Store the GeoclueMasterClient object as created by GeoClue.
m_geoclueClient = adoptGRef(geoclueClient);
// Set the requirement for the client and ask it to create a position associated to it.
updateClientRequirements();
geoclue_master_client_create_position_async(m_geoclueClient.get(), reinterpret_cast<CreatePositionCallback>(createGeocluePositionCallback), this);
}
void GeolocationProviderGeoclue::initializeGeocluePosition(GeocluePosition* geocluePosition)
{
ASSERT(GEOCLUE_IS_POSITION(geocluePosition));
// Stores the GeocluePosition object associated with the GeoclueMasterClient.
m_geocluePosition = adoptGRef(geocluePosition);
// Get the initial position and keep updated of further changes.
geoclue_position_get_position_async(m_geocluePosition.get(), reinterpret_cast<GeocluePositionCallback>(getPositionCallback), this);
g_signal_connect(m_geocluePosition.get(), "position-changed", G_CALLBACK(positionChangedCallback), this);
}
void GeolocationProviderGeoclue::updateClientRequirements()
{
if (!m_geoclueClient)
return;
GeoclueAccuracyLevel accuracyLevel = m_enableHighAccuracy ? GEOCLUE_ACCURACY_LEVEL_DETAILED : GEOCLUE_ACCURACY_LEVEL_LOCALITY;
geoclue_master_client_set_requirements_async(m_geoclueClient.get(), accuracyLevel, 0, false, GEOCLUE_RESOURCE_ALL, reinterpret_cast<GeoclueSetRequirementsCallback>(geoclueClientSetRequirementsCallback), this);
}
void GeolocationProviderGeoclue::positionChanged(GeocluePosition*, GeocluePositionFields fields, int timestamp, double latitude, double longitude, double altitude, GeoclueAccuracy* accuracy)
{
if (!(fields & GEOCLUE_POSITION_FIELDS_LATITUDE && fields & GEOCLUE_POSITION_FIELDS_LONGITUDE)) {
errorOccurred("Position could not be determined.");
return;
}
m_timestamp = timestamp;
m_latitude = latitude;
m_longitude = longitude;
m_altitude = altitude;
geoclue_accuracy_get_details(accuracy, 0, &m_accuracy, &m_altitudeAccuracy);
m_client->notifyPositionChanged(m_timestamp, m_latitude, m_longitude, m_altitude, m_accuracy, m_altitudeAccuracy);
}
void GeolocationProviderGeoclue::errorOccurred(const char* message)
{
m_client->notifyErrorOccurred(message);
}
#endif // ENABLE(GEOLOCATION) && !USE(GEOCLUE2)
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