--- /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 "qgeosatelliteinfosource_maemo5_p.h"
+#include "liblocationwrapper_p.h"
+
+QTM_BEGIN_NAMESPACE
+
+QGeoSatelliteInfoSourceMaemo::QGeoSatelliteInfoSourceMaemo(QObject *parent)
+ : QGeoSatelliteInfoSource(parent)
+{
+ qDebug() << "* QGeoSatelliteInfoSourceMaemo Fremantle Backport";
+ 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
+
projects / googlelatitude / blobdiff