src/location/qgeosatelliteinfosource_maemo.cpp
changeset 0 876b1a06bc25
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/location/qgeosatelliteinfosource_maemo.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,153 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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_maemo_p.h"
+
+QTM_BEGIN_NAMESPACE
+
+QGeoSatelliteInfoSourceMaemo::QGeoSatelliteInfoSourceMaemo(QObject *parent) : QGeoSatelliteInfoSource(parent),
+                                                                              running(false), satInViewSeen(false)
+{
+    requestTimer = new QTimer(this);
+    QObject::connect(requestTimer, SIGNAL(timeout()), this, SLOT(requestTimerExpired()));
+}
+
+
+int QGeoSatelliteInfoSourceMaemo::init()
+{
+    dbusComm = new DBusComm(this);
+    int status = dbusComm->init();
+
+    if (status == 0) {
+        QObject::connect(dbusComm, SIGNAL(receivedSatellitesInView(const QList<QGeoSatelliteInfo> &)),
+                         this, SLOT(newSatellitesInView(const QList<QGeoSatelliteInfo> &)));
+        QObject::connect(dbusComm, SIGNAL(receivedSatellitesInUse(const QList<QGeoSatelliteInfo> &)),
+                         this, SLOT(newSatellitesInUse(const QList<QGeoSatelliteInfo> &)));
+        QObject::connect(dbusComm, SIGNAL(serviceConnected()),
+                         this, SLOT(onServiceConnect()));
+        QObject::connect(dbusComm, SIGNAL(serviceDisconnected()),
+                         this, SLOT(onServiceDisconnect()));
+    }
+
+    return status;
+}
+
+
+void QGeoSatelliteInfoSourceMaemo::startUpdates()
+{
+    if ( !requestTimer->isActive() )
+        dbusComm->sendConfigRequest(DBusComm::CommandSatStart, 0, 0);
+    running = true;
+}
+
+
+void QGeoSatelliteInfoSourceMaemo::stopUpdates()
+{
+    if ( !requestTimer->isActive() )
+        dbusComm->sendConfigRequest(DBusComm::CommandSatStop, 0, 0);
+    running = false;
+}
+
+
+void QGeoSatelliteInfoSourceMaemo::requestUpdate(int timeout)
+{
+    if ( !running )
+        dbusComm->sendConfigRequest(DBusComm::CommandSatStart, 0, 0);
+
+    requestTimer->start(timeout);
+    satInViewSeen = false;
+}
+
+
+void QGeoSatelliteInfoSourceMaemo::newSatellitesInView(const QList<QGeoSatelliteInfo> &update)
+{
+    if ( requestTimer->isActive() && satInViewSeen ) {
+        requestTimer->stop();
+        if ( !running )
+            dbusComm->sendConfigRequest(DBusComm::CommandSatStop, 0, 0);
+        else 
+            emit satellitesInViewUpdated(update);
+    } else {
+        emit satellitesInViewUpdated(update);
+    }
+
+    satInViewSeen = true;
+}
+
+
+void QGeoSatelliteInfoSourceMaemo::newSatellitesInUse(const QList<QGeoSatelliteInfo> &update)
+{
+    if ( requestTimer->isActive() ) {
+        requestTimer->stop();
+        if ( !running )
+            dbusComm->sendConfigRequest(DBusComm::CommandSatStop, 0, 0);
+    }
+
+    emit satellitesInUseUpdated(update);
+}
+
+void QGeoSatelliteInfoSourceMaemo::requestTimerExpired()
+{
+    requestTimer->stop();
+
+    if ( !running )
+        dbusComm->sendConfigRequest(DBusComm::CommandSatStop, 0, 0);
+
+    emit requestTimeout();
+}
+
+void QGeoSatelliteInfoSourceMaemo::onServiceDisconnect()
+{
+    //
+}
+
+
+void QGeoSatelliteInfoSourceMaemo::onServiceConnect()
+{
+    if (running) {
+        dbusComm->sendConfigRequest(DBusComm::CommandSatStart, 0, 0);
+    }
+}
+
+
+#include "moc_qgeosatelliteinfosource_maemo_p.cpp"
+QTM_END_NAMESPACE
+