/*

* 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:  

*

*/

// System includes

#include <xqsettingsmanager.h>

#include <xqsettingskey.h>

#include <psmsrvdomaincrkeys.h>

#include <psmtypes.h>

// User includes

#include "wlansettings_s60_p.h"

#include "wlansettings.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "wlansettingsTraces.h"

#endif

/*!

   \class WlanSettings

   \brief WlanSettings is a wrapper class for CWlanSettingsImpl.

*/

// External function prototypes

// Local constants

//! Device Power Saving Mode setting key

static const XQSettingsKey devicePowerSavingKey(

    XQSettingsKey::TargetCentralRepository,

    KCRUidPowerSaveMode.iUid, 

    KPsmCurrentMode);

// ======== MEMBER FUNCTIONS ========

/*!

    Constructor.

*/

WlanSettings::WlanSettings() :

    QObject(),

    mSettingsManager(new XQSettingsManager(this)),

    mDevicePowerSavingMode(0),

    mDevicePowerSavingModeUpToDate(false)

{

    OstTraceFunctionEntry0( WLANSETTINGS_WLANSETTINGS_ENTRY );

    OstTraceFunctionExit0( WLANSETTINGS_WLANSETTINGS_EXIT );

}

/*!

    Destructor.

*/

WlanSettings::~WlanSettings()

{

    OstTraceFunctionEntry0( DUP1_WLANSETTINGS_WLANSETTINGS_ENTRY );

    delete d_ptr;

    OstTraceFunctionExit0( DUP1_WLANSETTINGS_WLANSETTINGS_EXIT );

}

/*!

    Creates the CWlanSettingsImpl object for reading/writing settings.

    \return Error code.

*/

int WlanSettings::init()

{

    OstTraceFunctionEntry0( WLANSETTINGS_INIT_ENTRY );

    // Listen for changes in the key value

    bool connectStatus = connect(

        mSettingsManager,

        SIGNAL(valueChanged(XQSettingsKey, QVariant)),

        this,

        SLOT(devicePowerSavingKeyChanged()));

    Q_ASSERT(connectStatus);

    mSettingsManager->startMonitoring(devicePowerSavingKey);

    TRAPD(error,(d_ptr = CWlanSettingsPrivate::NewL(this)));

    OstTraceFunctionExit0( WLANSETTINGS_INIT_EXIT );

    return error;

}

/*!

    Reads the value of the Device Power Saving Mode setting.

*/

void WlanSettings::readDevicePowerSavingKey()

{

    OstTraceFunctionEntry0( WLANSETTINGS_READDEVICEPOWERSAVINGKEY_ENTRY );

    mDevicePowerSavingMode = 

        mSettingsManager->readItemValue(devicePowerSavingKey).toInt();

    mDevicePowerSavingModeUpToDate = true;

    OstTrace1(

        TRACE_NORMAL,

        WLANSETTINGS_READDEVICEPOWERSAVINGKEY,

        "WlanSettings::readDevicePowerSavingKey;powerSaving=%d",

        mDevicePowerSavingMode );

    OstTraceFunctionExit0( WLANSETTINGS_READDEVICEPOWERSAVINGKEY_EXIT );

}

/*!

    Slot for handling updates in the Device Power Saving Mode setting.

*/

void WlanSettings::devicePowerSavingKeyChanged()

{

    OstTraceFunctionEntry0( WLANSETTINGS_DEVICEPOWERSAVINGKEYCHANGED_ENTRY );

    // Remember that we need to read the setting value again before

    // using it, and notify UI of the change.

    mDevicePowerSavingModeUpToDate = false;

    emit devicePowerSavingUpdated();

    OstTraceFunctionExit0( WLANSETTINGS_DEVICEPOWERSAVINGKEYCHANGED_EXIT );

}

/*!

    Reads the WLAN setting values.

    \return Error code.

*/

int WlanSettings::loadSettings()

{

    OstTraceFunctionEntry0( WLANSETTINGS_LOADSETTINGS_ENTRY );

    TRAPD(error, d_ptr->LoadDBSettingsL());

    OstTrace1(

        TRACE_NORMAL,

        WLANSETTINGS_LOADSETTINGS,

        "WlanSettings::loadSettings;error=%d",

        error );

    OstTraceFunctionExit0( WLANSETTINGS_LOADSETTINGS_EXIT );

    return error;

}

/*!

    Function to get the scan network type.

    \return ScanNetworkType which is automatic or user-defined.

*/

WlanSettings::ScanNetworkType WlanSettings::scanNetworkType()

{

    OstTraceFunctionEntry0( WLANSETTINGS_SCANNETWORKTYPE_ENTRY );

    ScanNetworkType scanType;

    if (d_ptr->ScanInterval() == ScanNetworkAuto) {

        scanType = EScanNetworkAuto;

    } else {

        scanType = EScanNetworkUserDefined;

    }

    OstTrace1(

        TRACE_NORMAL,

        WLANSETTINGS_SCANNETWORKTYPE,

        "WlanSettings::scanNetworkType;scanType=%d",

        scanType );

    OstTraceFunctionExit0( WLANSETTINGS_SCANNETWORKTYPE_EXIT );

    return scanType;

}

/*!

    Function to get the scan interval.

    \return Scan interval  in minutes.

*/

uint WlanSettings::scanInterval()

{

    OstTraceFunctionEntry0( WLANSETTINGS_SCANINTERVAL_ENTRY );

    uint scanInterval = d_ptr->ScanInterval();

    OstTrace1(

        TRACE_NORMAL,

        WLANSETTINGS_SCANINTERVAL,

        "WlanSettings::scanInterval;scanInterval=%u",

        scanInterval );

    OstTraceFunctionExit0( WLANSETTINGS_SCANINTERVAL_EXIT );

    return scanInterval;

}

/*!

    Function to get Wlan Power Saving Option.

    \return True if Power Saving option is enabled, otherwise False.

*/

bool WlanSettings::isWlanPowerSavingEnabled() const

{

    OstTraceFunctionEntry0( WLANSETTINGS_ISWLANPOWERSAVINGENABLED_ENTRY );

    OstTraceFunctionExit0( WLANSETTINGS_ISWLANPOWERSAVINGENABLED_EXIT );

    return d_ptr->PowerSaving();

}

/*!

    Function to set Power Saving Option.

    \param powerSavingOption True to enable or false to disable power saving option. 

    \return Error code.

*/

int WlanSettings::setWlanPowerSaving(int powerSavingOption)

{

    OstTraceFunctionEntry0( WLANSETTINGS_SETWLANPOWERSAVING_ENTRY );

    d_ptr->SetPowerSaving(powerSavingOption);

    TRAPD(error, d_ptr->SaveDBSettingsL(CWlanSettingsPrivate::EWlanPowerSaving));

    OstTraceFunctionExit0( WLANSETTINGS_SETWLANPOWERSAVING_EXIT );

    return error;

}

/*!

    Function to set Scan interval.

    \param scanInterval Scan interval in minutes. 

    \return Error code.

*/

int WlanSettings::setWlanScanInterval(uint scanInterval)

{

    OstTraceFunctionEntry0( WLANSETTINGS_SETWLANSCANINTERVAL_ENTRY );

    d_ptr->SetScanInterval(scanInterval);

    TRAPD(error, d_ptr->SaveDBSettingsL(CWlanSettingsPrivate::EWlanScanInterval));

    OstTraceFunctionExit0( WLANSETTINGS_SETWLANSCANINTERVAL_EXIT );

    return error;

}

/*!

    Function to get Join WLAN networks option.

    \return 0 for Known, 1 for Manual.

*/

int WlanSettings::joinWlanMode() const

{

    OstTraceFunctionEntry0( WLANSETTINGS_JOINWLANMODE_ENTRY );

    OstTraceFunctionExit0( WLANSETTINGS_JOINWLANMODE_EXIT );

    return d_ptr->JoinWlanMode();

}

/*!

    Function to set Join WLAN networks option.

    \param mode 0 for Known, 1 for Manual. 

    \return Error code.

*/

int WlanSettings::setJoinWlanMode(int mode)

{

    OstTraceFunctionEntry0( WLANSETTINGS_SETJOINWLANMODE_ENTRY );

    TRAPD(error, d_ptr->SaveJoinWlanSettingL(mode));

    OstTraceFunctionExit0( WLANSETTINGS_SETJOINWLANMODE_EXIT );

    return error;

}

/*!

    Function to get Power Saving status of the device.

    \return True if Power Saving is enabled.

*/

bool WlanSettings::isDevicePowerSavingEnabled()

{

    OstTraceFunctionEntry0( WLANSETTINGS_ISDEVICEPOWERSAVINGENABLED_ENTRY );

    if (!mDevicePowerSavingModeUpToDate) {

        readDevicePowerSavingKey();

    }

    if (mDevicePowerSavingMode == EPsmsrvModeNormal) {

        OstTraceFunctionExit0( WLANSETTINGS_ISDEVICEPOWERSAVINGENABLED_EXIT );

        return false;

    } else {

        OstTraceFunctionExit0( DUP1_WLANSETTINGS_ISDEVICEPOWERSAVINGENABLED_EXIT );

        return true;

    }

}