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      1 /*
      2  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "GeolocationClientQt.h"
     28 
     29 #include "Geolocation.h"
     30 #include "GeolocationController.h"
     31 #include "GeolocationError.h"
     32 #include "GeolocationPermissionClientQt.h"
     33 #include "GeolocationPosition.h"
     34 #include "Page.h"
     35 #include "qwebframe.h"
     36 #include "qwebframe_p.h"
     37 #include "qwebpage.h"
     38 #include "qwebpage_p.h"
     39 
     40 using namespace QtMobility;
     41 
     42 namespace WebCore {
     43 
     44 static const char failedToStartServiceErrorMessage[] = "Failed to start Geolocation service";
     45 
     46 GeolocationClientQt::GeolocationClientQt(const QWebPage* page)
     47     : m_page(page)
     48     , m_lastPosition(0)
     49     , m_location(0)
     50 {
     51 }
     52 
     53 GeolocationClientQt::~GeolocationClientQt()
     54 {
     55     delete m_location;
     56 }
     57 
     58 void GeolocationClientQt::geolocationDestroyed()
     59 {
     60     delete this;
     61 }
     62 
     63 void GeolocationClientQt::positionUpdated(const QGeoPositionInfo &geoPosition)
     64 {
     65     if (!geoPosition.isValid())
     66         return;
     67 
     68     QGeoCoordinate coord = geoPosition.coordinate();
     69     double latitude = coord.latitude();
     70     double longitude = coord.longitude();
     71     bool providesAltitude = (geoPosition.coordinate().type() == QGeoCoordinate::Coordinate3D);
     72     double altitude = coord.altitude();
     73 
     74     double accuracy = geoPosition.attribute(QGeoPositionInfo::HorizontalAccuracy);
     75 
     76     bool providesAltitudeAccuracy = geoPosition.hasAttribute(QGeoPositionInfo::VerticalAccuracy);
     77     double altitudeAccuracy = geoPosition.attribute(QGeoPositionInfo::VerticalAccuracy);
     78 
     79     bool providesHeading =  geoPosition.hasAttribute(QGeoPositionInfo::Direction);
     80     double heading = geoPosition.attribute(QGeoPositionInfo::Direction);
     81 
     82     bool providesSpeed = geoPosition.hasAttribute(QGeoPositionInfo::GroundSpeed);
     83     double speed = geoPosition.attribute(QGeoPositionInfo::GroundSpeed);
     84 
     85     double timeStampInSeconds = geoPosition.timestamp().toMSecsSinceEpoch() / 1000;
     86 
     87     m_lastPosition = GeolocationPosition::create(timeStampInSeconds, latitude, longitude,
     88                                                  accuracy, providesAltitude, altitude,
     89                                                  providesAltitudeAccuracy, altitudeAccuracy,
     90                                                  providesHeading, heading, providesSpeed, speed);
     91 
     92     WebCore::Page* page = QWebPagePrivate::core(m_page);
     93     page->geolocationController()->positionChanged(m_lastPosition.get());
     94 }
     95 
     96 void GeolocationClientQt::startUpdating()
     97 {
     98     if (!m_location && (m_location = QGeoPositionInfoSource::createDefaultSource(this)))
     99         connect(m_location, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(positionUpdated(QGeoPositionInfo)));
    100 
    101     if (!m_location) {
    102         WebCore::Page* page = QWebPagePrivate::core(m_page);
    103         RefPtr<WebCore::GeolocationError> error = GeolocationError::create(GeolocationError::PositionUnavailable, failedToStartServiceErrorMessage);
    104         page->geolocationController()->errorOccurred(error.get());
    105         return;
    106     }
    107 
    108     m_location->startUpdates();
    109 }
    110 
    111 void GeolocationClientQt::stopUpdating()
    112 {
    113     if (m_location)
    114         m_location->stopUpdates();
    115 }
    116 
    117 
    118 void GeolocationClientQt::setEnableHighAccuracy(bool)
    119 {
    120     // qtmobility 1.0 supports only GPS as of now so high accuracy is enabled by default
    121 }
    122 
    123 void GeolocationClientQt::requestPermission(Geolocation* geolocation)
    124 {
    125     ASSERT(geolocation);
    126     QWebFrame* webFrame = QWebFramePrivate::kit(geolocation->frame());
    127     GeolocationPermissionClientQt::geolocationPermissionClient()->requestGeolocationPermissionForFrame(webFrame, geolocation);
    128 }
    129 
    130 void GeolocationClientQt::cancelPermissionRequest(Geolocation* geolocation)
    131 {
    132     ASSERT(geolocation);
    133     QWebFrame* webFrame = QWebFramePrivate::kit(geolocation->frame());
    134     GeolocationPermissionClientQt::geolocationPermissionClient()->cancelGeolocationPermissionRequestForFrame(webFrame, geolocation);
    135 }
    136 
    137 } // namespace WebCore
    138 
    139 #include "moc_GeolocationClientQt.cpp"
    140