--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/src/location/qgeosatelliteinfosource_maemo5.cpp	Mon May 03 13:18:40 2010 +0300
@@ -0,0 +1,243 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgeosatelliteinfosource_maemo5_p.h"
+#include "liblocationwrapper_p.h"
+
+QTM_BEGIN_NAMESPACE
+        
+QGeoSatelliteInfoSourceMaemo::QGeoSatelliteInfoSourceMaemo(QObject *parent) 
+    : QGeoSatelliteInfoSource(parent)
+{
+    client_id_ = -1;
+    timerInterval = DEFAULT_UPDATE_INTERVAL;
+    updateTimer = new QTimer(this);
+    updateTimer->setSingleShot(true);
+    connect(updateTimer, SIGNAL(timeout()), this, SLOT(satelliteStatus()));
+
+    requestTimer = new QTimer(this);
+    requestTimer->setSingleShot(true);
+    connect(requestTimer, SIGNAL(timeout()), this, SLOT(requestTimeoutElapsed()));
+
+    satelliteInfoState = QGeoSatelliteInfoSourceMaemo::Undefined;
+}
+
+int QGeoSatelliteInfoSourceMaemo::init()
+{
+    if (LiblocationWrapper::instance()->inited())
+        return INIT_OK;
+    else
+        return INIT_FAILED;
+}
+
+void QGeoSatelliteInfoSourceMaemo::setUpdateInterval(int msec)
+{
+    bool updateTimerInterval = false;
+
+    if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::PowersaveActive)
+        if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::Stopped)
+            updateTimerInterval = true;
+
+    timerInterval = (msec < MINIMUM_UPDATE_INTERVAL) ? MINIMUM_UPDATE_INTERVAL : msec;
+
+    if (timerInterval >= POWERSAVE_THRESHOLD)
+        satelliteInfoState |= QGeoSatelliteInfoSourceMaemo::PowersaveActive;
+    else
+        satelliteInfoState &= ~QGeoSatelliteInfoSourceMaemo::PowersaveActive;
+
+    // If powersave has been active when new update interval has been set,
+    // ensure that timer is started.
+    if(updateTimerInterval)
+        startLocationDaemon();
+    
+    // Ensure that new timer interval is taken into use immediately.
+    activateTimer();
+}
+
+void QGeoSatelliteInfoSourceMaemo::startUpdates()
+{
+    startLocationDaemon();
+
+    // Ensure that powersave is selected, if stopUpdates() has been called,
+    // but selected update interval is still greater than POWERSAVE_THRESHOLD.
+    if (timerInterval >= POWERSAVE_THRESHOLD)
+        satelliteInfoState |= QGeoSatelliteInfoSourceMaemo::PowersaveActive;
+
+    activateTimer();
+}
+
+void QGeoSatelliteInfoSourceMaemo::stopUpdates()
+{
+    satelliteInfoState &= ~QGeoSatelliteInfoSourceMaemo::PowersaveActive;
+
+    if (!(satelliteInfoState & QGeoSatelliteInfoSourceMaemo::RequestActive)) {
+        updateTimer->stop();
+        if (LiblocationWrapper::instance()->isActive())
+            LiblocationWrapper::instance()->stop();
+    }
+
+    satelliteInfoState &= ~QGeoSatelliteInfoSourceMaemo::Started;
+    satelliteInfoState |= QGeoSatelliteInfoSourceMaemo::Stopped;
+}
+
+void QGeoSatelliteInfoSourceMaemo::requestUpdate(int timeout)
+{
+    int timeoutForRequest = 0;
+
+    if (!timeout) {
+        if (LiblocationWrapper::instance()->isActive())
+            // If GPS is active, assume quick fix.
+            timeoutForRequest = DEFAULT_UPDATE_INTERVAL;
+        else
+            // Otherwise reserve longer time to get a fix.
+            timeoutForRequest = POWERSAVE_POWERON_PERIOD;
+    } else if (timeout < MINIMUM_UPDATE_INTERVAL) {
+        if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::RequestActive)
+            return;
+
+        emit requestTimeout();
+        return;
+    } else {
+        timeoutForRequest = timeout;
+    }
+
+    satelliteInfoState |= QGeoSatelliteInfoSourceMaemo::RequestActive;
+
+    if (!(LiblocationWrapper::instance()->isActive()))
+        LiblocationWrapper::instance()->start();
+
+    activateTimer();
+    requestTimer->start(timeoutForRequest);
+}
+
+void QGeoSatelliteInfoSourceMaemo::satelliteStatus()
+{
+    QList<QGeoSatelliteInfo> satellitesInView = 
+            LiblocationWrapper::instance()->satellitesInView();
+    QList<QGeoSatelliteInfo> satellitesInUse = 
+            LiblocationWrapper::instance()->satellitesInUse();
+
+    if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::RequestActive) {
+        satelliteInfoState &= ~QGeoSatelliteInfoSourceMaemo::RequestActive;
+
+        requestTimer->stop();
+
+        if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::Stopped) {
+            if (LiblocationWrapper::instance()->isActive()) {
+                LiblocationWrapper::instance()->stop();
+            }
+        }
+
+        // Ensure that requested satellite info is emitted even though
+        // powersave is active and GPS would normally be off.
+        if ((satelliteInfoState & QGeoSatelliteInfoSourceMaemo::PowersaveActive) &&
+           (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::Stopped)) {
+            if (satellitesInView.length()) {
+                emit satellitesInViewUpdated(satellitesInView);
+                emit satellitesInUseUpdated(satellitesInUse);
+            }
+        }
+    }
+
+    // Make sure that if update is triggered when waking up, there
+    // is no false position update.
+    if (!((satelliteInfoState & QGeoSatelliteInfoSourceMaemo::PowersaveActive) &&
+         (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::Stopped))) {
+        if (satellitesInView.length()) {
+            emit satellitesInViewUpdated(satellitesInView);
+            emit satellitesInUseUpdated(satellitesInUse);
+        }
+    }
+
+    activateTimer();
+}
+
+void QGeoSatelliteInfoSourceMaemo::requestTimeoutElapsed()
+{
+    updateTimer->stop();
+    emit requestTimeout();
+    
+    satelliteInfoState &= ~QGeoSatelliteInfoSourceMaemo::RequestActive;
+
+    if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::Stopped)
+        if (LiblocationWrapper::instance()->isActive())
+            LiblocationWrapper::instance()->stop();
+
+    activateTimer();
+}
+
+void QGeoSatelliteInfoSourceMaemo::activateTimer() {
+    if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::RequestActive) {
+        updateTimer->start(MINIMUM_UPDATE_INTERVAL);
+        return;
+    }
+
+    if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::PowersaveActive) {
+        if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::Started) {
+            // Cannot call stopUpdates() here since we want to keep powersave
+            // active.
+            if (LiblocationWrapper::instance()->isActive())
+                LiblocationWrapper::instance()->stop();
+            updateTimer->start(timerInterval - POWERSAVE_POWERON_PERIOD);
+                
+            satelliteInfoState &= ~QGeoSatelliteInfoSourceMaemo::Started;
+            satelliteInfoState |= QGeoSatelliteInfoSourceMaemo::Stopped;
+        } else if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::Stopped) {
+            startLocationDaemon();
+            updateTimer->start(POWERSAVE_POWERON_PERIOD);
+        }
+        return;
+    }
+    
+    if (satelliteInfoState & QGeoSatelliteInfoSourceMaemo::Started)
+            updateTimer->start(timerInterval);
+}
+
+void QGeoSatelliteInfoSourceMaemo::startLocationDaemon() {
+    if (!(LiblocationWrapper::instance()->isActive()))
+        LiblocationWrapper::instance()->start();
+    satelliteInfoState |= QGeoSatelliteInfoSourceMaemo::Started;
+    satelliteInfoState &= ~QGeoSatelliteInfoSourceMaemo::Stopped;
+}
+
+#include "moc_qgeosatelliteinfosource_maemo5_p.cpp"
+QTM_END_NAMESPACE
+