--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ginebra2/DeviceDelegate.cpp Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,398 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#include <QList>
+#include <QString>
+#include "DeviceDelegate.h"
+#include "Utilities.h"
+
+namespace GVA {
+//! DeviceDelegate default constructor.
+DeviceDelegate::DeviceDelegate()
+ : m_batteryCharging(false), m_updating(false)
+{
+ // this will be the name javascript uses to access properties and signals
+ // from this class
+ setObjectName("deviceDelegate");
+
+#ifdef QT_MOBILITY_BEARER_SYSINFO
+ // create Qt Mobility API objects for device info
+ m_deviceInfo = new QSystemDeviceInfo(this);
+ m_networkInfo = new QSystemNetworkInfo(this);
+ m_networkConfigManager = new QNetworkConfigurationManager(this);
+
+ // Guess the network mode currently used for browser -
+ // a guess is really the best we can do right now.
+ m_currentMode = getInternetConfigurationMode();
+
+ // need the configuration manager to update its configuration list, when it
+ // is done it will send us a signal
+ safe_connect(m_networkConfigManager, SIGNAL(updateCompleted()),
+ this, SLOT(handleUpdateComplete()));
+
+ // tell configuration manager to update its configuration list
+ m_updating = true;
+ m_networkConfigManager->updateConfigurations();
+
+ // set up handlers for other network configuration manager signals
+ safe_connect(m_networkConfigManager, SIGNAL(configurationAdded(const QNetworkConfiguration&)),
+ this, SLOT(configurationAdded(const QNetworkConfiguration&)));
+ safe_connect(m_networkConfigManager, SIGNAL(configurationRemoved(const QNetworkConfiguration&)),
+ this, SLOT(configurationRemoved(const QNetworkConfiguration&)));
+ safe_connect(m_networkConfigManager, SIGNAL(configurationChanged(const QNetworkConfiguration&)),
+ this, SLOT(configurationChanged(const QNetworkConfiguration)));
+
+ // When the m_deviceInfo signals battery level changed,
+ // DeviceDelegate emits batteryLevelChanged
+ safe_connect(m_deviceInfo, SIGNAL(batteryLevelChanged(int)),
+ this, SIGNAL(batteryLevelChanged(int)));
+
+ // set current charging state then keep it up to date with signal handler
+ m_batteryCharging = (m_deviceInfo->currentPowerState() ==
+ QSystemDeviceInfo::WallPowerChargingBattery) ? true : false;
+ //qDebug() << "DeviceDelegate: charging state = " << m_deviceInfo->currentPowerState();
+ //qDebug() << "DeviceDelegate: charging = " << m_batteryCharging;
+ safe_connect(m_deviceInfo, SIGNAL(powerStateChanged(QSystemDeviceInfo::PowerState)),
+ this, SLOT(handlePowerStateChanged(QSystemDeviceInfo::PowerState)));
+
+ // set up handlers for system network info signals
+ safe_connect(m_networkInfo, SIGNAL(networkSignalStrengthChanged(
+ QSystemNetworkInfo::NetworkMode, int)), this,
+ SLOT(handleNetworkSignalStrengthChanged(QSystemNetworkInfo::NetworkMode, int)));
+
+ safe_connect(m_networkInfo, SIGNAL(networkNameChanged(
+ QSystemNetworkInfo::NetworkMode, const QString&)), this,
+ SLOT(handleNetworkNameChanged(QSystemNetworkInfo::NetworkMode, const QString&)));
+#endif // QT_MOBILITY_BEARER_SYSINFO
+}
+
+//! DeviceDelegate destructor.
+DeviceDelegate::~DeviceDelegate()
+{
+ // clean up
+#ifdef QT_MOBILITY_BEARER_SYSINFO
+ delete m_deviceInfo;
+ delete m_networkInfo;
+ delete m_networkConfigManager;
+#endif
+}
+
+#ifdef QT_MOBILITY_BEARER_SYSINFO
+//! Converts bearer name string to network mode enumerator.
+//! The network configuration uses strings to represent the same info that
+//! the system network info uses an enumeration to represent
+/*!
+ \param name bearer name to convert
+*/
+QSystemNetworkInfo::NetworkMode DeviceDelegate::bearerNameToMode(QString name) const
+{
+ QSystemNetworkInfo::NetworkMode mode = QSystemNetworkInfo::UnknownMode;
+
+ if (name == "Unknown")
+ mode = QSystemNetworkInfo::UnknownMode;
+ else if (name == "Ethernet")
+ mode = QSystemNetworkInfo::EthernetMode;
+ else if (name == "WLAN")
+ mode = QSystemNetworkInfo::WlanMode;
+ else if (name == "2G") {
+ // there currently isn't a 2G in the enumeration but by trial and
+ // error I found that it corresponds to either GSM or WCDMA mode
+ // You can tell which mode to choose be getting the signal strength;
+ // if you have the wrong mode it returns -1.
+ if (m_networkInfo->networkSignalStrength(QSystemNetworkInfo::GsmMode) >= 0)
+ mode = QSystemNetworkInfo::GsmMode; // T-Mobile uses this mode
+ else
+ mode = QSystemNetworkInfo::WcdmaMode; // AT&T uses this mode
+ //qDebug() << "DeviceDelegate: 2G";
+ } else if (name == "CDMA2000")
+ mode = QSystemNetworkInfo::CdmaMode;
+ else if (name == "WCDMA")
+ mode = QSystemNetworkInfo::WcdmaMode;
+ else if (name == "HSPA")
+ // HSPA isn't currently in the enumeration
+ mode = QSystemNetworkInfo::UnknownMode;
+ else if (name == "Bluetooth")
+ mode = QSystemNetworkInfo::BluetoothMode;
+ else if (name == "WiMAX")
+ mode = QSystemNetworkInfo::WimaxMode;
+
+ //qDebug() << "DeviceDelegate: Mode " << mode;
+
+ return (mode);
+}
+#endif // QT_MOBILITY_BEARER_SYSINFO
+
+//! Gets the current battery level.
+int DeviceDelegate::getBatteryLevel() const
+{
+#ifdef QT_MOBILITY_BEARER_SYSINFO
+ return (m_deviceInfo->batteryLevel());
+#else
+ return (100); // can't get real level, return full
+#endif
+}
+
+//! Returns true if the battery is charging.
+bool DeviceDelegate::isBatteryCharging() const
+{
+ return (m_batteryCharging);
+}
+
+//! Gets the network signal strength for the current network mode.
+int DeviceDelegate::getNetworkSignalStrength() const
+{
+#ifdef QT_MOBILITY_BEARER_SYSINFO
+ int strength = m_networkInfo->networkSignalStrength(m_currentMode);
+
+ // Strength in WLAN mode is reported as -1 by QtMobility
+ if ((strength == -1) && (m_currentMode == QSystemNetworkInfo::WlanMode)) {
+ strength = 100;
+ }
+
+ return (strength);
+#else
+ return (100); // can't get real level, return full
+#endif
+}
+
+//! Gets the network name for the current network mode.
+QString DeviceDelegate::getNetworkName() const
+{
+#ifdef QT_MOBILITY_BEARER_SYSINFO
+ QString netName = m_networkInfo->networkName(m_currentMode);
+
+ // if WLAN SSID name is unknown show "WiFi"
+ if ((m_currentMode == QSystemNetworkInfo::WlanMode) &&
+ (netName == "")) {
+ netName = "WiFi";
+ }
+
+ //qDebug() << "DeviceDelegate: network name " << netName;
+ return (netName);
+#else
+ return (""); // can't get real name
+#endif
+}
+
+#ifdef QT_MOBILITY_BEARER_SYSINFO
+//! Emits a signal for the specified signal strength.
+/*!
+ \param strength new signal strength
+*/
+void DeviceDelegate::updateSignalStrength(int strength)
+{
+ //qDebug() << "DeviceDelegate: Signal Strength " << strength;
+ // currently getting a -1 signal strength for WLAN, change to 100.
+ if (strength == -1) {
+ if (m_currentMode == QSystemNetworkInfo::WlanMode) {
+ //qDebug() << "DeviceDelegate: In WLAN mode so use strength 100.";
+ strength = 100;
+ } //else if (m_currentMode != QSystemNetworkInfo::UnknownMode) {
+ // qDebug() << "DeviceDelegate: Neg str in mode " << m_currentMode;
+ //}
+ }
+
+ emit networkSignalStrengthChanged(strength);
+}
+
+
+//! Search for an active internet access point and return the network mode.
+//! Returns the network mode used by the browser (best guess anyway)
+//! My best guess is that the first active internet access point is the one
+//! used by the browser.
+QSystemNetworkInfo::NetworkMode DeviceDelegate::getInternetConfigurationMode()
+{
+ // function return value
+ QSystemNetworkInfo::NetworkMode mode = QSystemNetworkInfo::UnknownMode;
+ QString bearerName; // network configuration bearer name
+ bool found = false; // flag set when configuration found
+ // active network configurations
+ QList<QNetworkConfiguration> activeConfigurations =
+ m_networkConfigManager->allConfigurations(QNetworkConfiguration::Active);
+
+ // check each active configuration until we find one that fits the bill
+ while (!found && !activeConfigurations.isEmpty()) {
+ QNetworkConfiguration config = activeConfigurations.takeFirst();
+
+ //qDebug() << "DeviceDelegate: Have Active Config - type " << config.type();
+ // service networks contain children configurations which need to be explored
+ if (config.type() == QNetworkConfiguration::ServiceNetwork) {
+ //qDebug() << "DeviceDelegate: Found a ServiceNetwork!";
+ foreach (const QNetworkConfiguration &child, config.children()) {
+ if ((child.type() == QNetworkConfiguration::InternetAccessPoint) &&
+ (child.state() == QNetworkConfiguration::Active)) {
+ found = true;
+ m_currentConfigIdentifier = child.identifier();
+ bearerName = child.bearerName();
+ //qDebug() << " Found InternetAccessPoint - " << bearerName;
+ //qDebug() << " identifier: " << child.identifier();
+ break; // exit foreach loop
+ }
+ }
+ } else if (config.type() == QNetworkConfiguration::InternetAccessPoint) {
+ found = true;
+ m_currentConfigIdentifier = config.identifier();
+ bearerName = config.bearerName();
+ //qDebug() << "DeviceDelegate: Found an InternetAccessPoint - " << bearerName;
+ //qDebug() << " identifier: " << config.identifier();
+ }
+ }
+
+ // get the mode of the found network configuration
+ if (found) {
+ //qDebug() << "DeviceDelegate::getInternetConfigurationMode: use bearer " << bearerName;
+ mode = bearerNameToMode(bearerName);
+ } else {
+ //qDebug() << "DeviceDelegate: Failed to find an active internet access point.";
+ m_currentConfigIdentifier = "";
+ }
+
+ return (mode);
+}
+
+//! Handles the updateCompleted signal from the configuration manager.
+void DeviceDelegate::handleUpdateComplete()
+{
+ // search for appropriate network configuration mode again
+ QSystemNetworkInfo::NetworkMode mode = getInternetConfigurationMode();
+
+ // if the mode has changed we need to update the signal strength and network name
+ if (mode != m_currentMode) {
+ m_currentMode = mode;
+ updateSignalStrength(m_networkInfo->networkSignalStrength(m_currentMode));
+ emit networkNameChanged(getNetworkName());
+ }
+
+ m_updating = false;
+}
+
+//! Handles the configurationAdded signal from the configuration manager.
+/*!
+ \param config added network configuration
+*/
+void DeviceDelegate::configurationAdded(const QNetworkConfiguration &config)
+{
+ //qDebug() << "DeviceDelegate: Configuration Added.";
+ if (!m_updating && (m_currentMode == QSystemNetworkInfo::UnknownMode) &&
+ (config.state() == QNetworkConfiguration::Active) &&
+ (config.type() == QNetworkConfiguration::InternetAccessPoint)) {
+ // use this new configuration's mode, update the signal strength and network name
+ //qDebug() << "DeviceDelegate: Use new configuration with bearer " << config.bearerName();
+ m_currentConfigIdentifier = config.identifier();
+ m_currentMode = bearerNameToMode(config.bearerName());
+ updateSignalStrength(m_networkInfo->networkSignalStrength(m_currentMode));
+ emit networkNameChanged(getNetworkName());
+ }
+}
+
+//! Handles the configurationRemoved signal from the configuration manager.
+/*!
+ \param config removed network configuration
+*/
+void DeviceDelegate::configurationRemoved(const QNetworkConfiguration &config)
+{
+ //qDebug() << "DeviceDelegate: Configuration Removed.";
+ if ((!m_updating) && (config.identifier() == m_currentConfigIdentifier)) {
+ //qDebug() << "DeviceDelegate: Find new Configuration.";
+ // search for appropriate network configuration mode again
+ m_currentMode = getInternetConfigurationMode();
+ updateSignalStrength(m_networkInfo->networkSignalStrength(m_currentMode));
+ emit networkNameChanged(getNetworkName());
+ }
+}
+
+//! Handles the configurationChanged signal from the configuration manager.
+/*!
+ \param config changed network configuration
+*/
+void DeviceDelegate::configurationChanged(const QNetworkConfiguration &config)
+{
+ //qDebug() << "DeviceDelegate: Configuration Changed.";
+ if (!m_updating) {
+ // if network mode currently unknown maybe this change will allow us to
+ // identify the netork mode
+ if (m_currentMode == QSystemNetworkInfo::UnknownMode) {
+ // can we now identify the network mode?
+ if ((config.state() == QNetworkConfiguration::Active) &&
+ (config.type() == QNetworkConfiguration::InternetAccessPoint)) {
+ //qDebug() << "DeviceDelegate: Use new configuration with bearer " << config.bearerName();
+ m_currentConfigIdentifier = config.identifier();
+ m_currentMode = bearerNameToMode(config.bearerName());
+ updateSignalStrength(m_networkInfo->networkSignalStrength(m_currentMode));
+ emit networkNameChanged(getNetworkName());
+ }
+ // Did the configuration currently being used change in a notable way?
+ } else if ((config.identifier() == m_currentConfigIdentifier) &&
+ ((config.state() != QNetworkConfiguration::Active) ||
+ (config.type() != QNetworkConfiguration::InternetAccessPoint))) {
+ //qDebug() << "DeviceDelegate: Change configuration.";
+ // search for appropriate network configuration mode again
+ m_currentMode = getInternetConfigurationMode();
+ updateSignalStrength(m_networkInfo->networkSignalStrength(m_currentMode));
+ emit networkNameChanged(getNetworkName());
+ }
+ }
+}
+
+//! Handles the networkSignalStrengthChanged signal from system network info.
+/*!
+ \param mode network mode of connection that changed
+ \param strength new signal strength
+*/
+void DeviceDelegate::handleNetworkSignalStrengthChanged(
+ QSystemNetworkInfo::NetworkMode mode, int strength)
+{
+ // Only send signal strength changes for current mode.
+ if (mode == m_currentMode)
+ updateSignalStrength(strength);
+}
+
+//! Handles the networkNameChanged signal from system network info.
+/*!
+ \param mode network mode of connection that changed
+ \param name new network name
+*/
+void DeviceDelegate::handleNetworkNameChanged(
+ QSystemNetworkInfo::NetworkMode mode, const QString& name)
+{
+ // Only send network name changes for current mode.
+ if (mode == m_currentMode)
+ emit networkNameChanged(name);
+}
+
+//! Handles the powerStateChanged signal from system device info.
+/*!
+ \param state new power state
+*/
+void DeviceDelegate::handlePowerStateChanged(QSystemDeviceInfo::PowerState state)
+{
+ bool batteryCharging =
+ (state == QSystemDeviceInfo::WallPowerChargingBattery) ? true : false;
+
+ //qDebug() << "DeviceDelegate: new charging state = " << state;
+ if (batteryCharging != m_batteryCharging) {
+ m_batteryCharging = batteryCharging;
+ //qDebug() << "DeviceDelegate: new charging = " << m_batteryCharging;
+ // emit battery level - subscriber will get charging state if desired
+ emit batteryLevelChanged(m_deviceInfo->batteryLevel());
+ }
+}
+
+#endif // QT_MOBILITY_BEARER_SYSINFO
+
+} // GVA
+