+++ /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