/*

* Copyright (c) 2009 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:

* WLAN Status Info wrapper for WLAN entry plugin.

*/

// System includes

#include <HbGlobal>

#include <xqsettingsmanager.h>

#include <wlandevicesettingsinternalcrkeys.h>

// User includes

#include "wlanqtutils.h"

#include "wlanstatusinfo.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "wlanstatusinfoTraces.h"

#endif

/*!

    \class WlanStatusInfo

    \brief Class for maintaining and updating the WLAN status for the WLAN 

           Status Control Panel Plugin.

*/

// External function prototypes

// Local constants

//! Master WLAN ON/OFF setting key

static const XQSettingsKey masterWlanKey(

    XQSettingsKey::TargetCentralRepository,

    KCRUidWlanDeviceSettingsRegistryId.iUid, 

    KWlanOnOff);

//! WLAN  forced OFF setting key

static const XQSettingsKey wlanForceKey(

    XQSettingsKey::TargetCentralRepository,

    KCRUidWlanDeviceSettingsRegistryId.iUid, 

    KWlanForceDisable);

// ======== LOCAL FUNCTIONS ========

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

/*!

    Constructor.

*/

WlanStatusInfo::WlanStatusInfo(QObject *parent) :

    QObject(parent),

    mWlanQtUtils(new WlanQtUtils()),

    mSettingsManager(new XQSettingsManager(this)),

    mStatusText(""),

    mStatus(WlanStatusOff)

{

    OstTraceFunctionEntry0(WLANSTATUSINFO_WLANSTATUSINFO_ENTRY);

    // Listen for WLAN ON/OFF switching

    bool connectStatus = connect(

        mSettingsManager, 

        SIGNAL(valueChanged(XQSettingsKey, QVariant)),

        this, 

        SLOT(updateStatus()));

    Q_ASSERT(connectStatus);

    mSettingsManager->startMonitoring(masterWlanKey);

    mSettingsManager->startMonitoring(wlanForceKey);

    // Listen for WLAN connection statuses

    connectStatus = connect(

        mWlanQtUtils,

        SIGNAL(wlanNetworkOpened(int)),

        this,

        SLOT(updateStatus()));

    Q_ASSERT(connectStatus == true);

    connectStatus = connect(

        mWlanQtUtils,

        SIGNAL(wlanNetworkClosed(int, int)),

        this,

        SLOT(updateStatus()));

    Q_ASSERT(connectStatus == true);

    // Set initial status

    updateStatus();

    OstTraceFunctionExit0(WLANSTATUSINFO_WLANSTATUSINFO_EXIT);

}

/*!

    Destructor.

*/

WlanStatusInfo::~WlanStatusInfo()

{

    OstTraceFunctionEntry0(DUP1_WLANSTATUSINFO_WLANSTATUSINFO_ENTRY);

    delete mWlanQtUtils;

    OstTraceFunctionExit0(DUP1_WLANSTATUSINFO_WLANSTATUSINFO_EXIT);

}

/*!

    Function for getting current WLAN status value (WlanStatusInfo::WlanStatus*).

*/

int WlanStatusInfo::status() const

{

    OstTraceFunctionEntry0(WLANSTATUSINFO_STATUS_ENTRY);    

    OstTraceFunctionExit0(WLANSTATUSINFO_STATUS_EXIT);

    return mStatus;

}

/*!

    Returns the current WLAN status text.

*/

QString WlanStatusInfo::statusText() const

{

    OstTraceFunctionEntry0(WLANSTATUSINFO_STATUSTEXT_ENTRY);

    OstTraceFunctionExit0(WLANSTATUSINFO_STATUSTEXT_EXIT);

    return mStatusText;

}

/*!

    Function for checking if WLAN is ON.

    WLAN is enabled if the WLAN OnOff key is true and the force disable

    wlan key is false.

    @return Returns true if WLAN is ON.

*/

bool WlanStatusInfo::isWlanOn() const

{

    OstTraceFunctionEntry0(WLANSTATUSINFO_ISWLANON_ENTRY);

    bool wlanOn = mSettingsManager->readItemValue(masterWlanKey).toBool();

    bool forcedOff = mSettingsManager->readItemValue(wlanForceKey).toBool();

    OstTraceExt2(

        TRACE_NORMAL,

        WLANSTATUSINFO_ISWLANON,

        "WlanStatusInfo::isWlanOn;wlanOn=%hhu;forcedOff=%hhu",

        wlanOn,

        forcedOff);

    OstTraceFunctionExit0(WLANSTATUSINFO_ISWLANON_EXIT);

    return wlanOn && !forcedOff;

}

/*!

    Slot used for updating the WLAN status.

*/

void WlanStatusInfo::updateStatus()

{

    OstTraceFunctionEntry0(WLANSTATUSINFO_UPDATESTATUS_ENTRY);

    // Backup old status to detect changes

    QString oldStatusText = mStatusText;

    // Figure out current WLAN status

    if (!isWlanOn()) {

        // WLAN is switched OFF.

        mStatus = WlanStatusOff;

        mStatusText = hbTrId("txt_occ_dblist_wireless_lan_val_off");

    } else if (mWlanQtUtils->connectionStatus() == WlanQtUtils::ConnStatusConnected) { 

        mStatus = WlanStatusConnected;

        mStatusText = mWlanQtUtils->iapName(mWlanQtUtils->activeIap());

    } else {

        mStatus = WlanStatusIdle;

        mStatusText = hbTrId("txt_occ_dblist_wireless_lan_val_wlan_is_on");

    }

    // Inform about update if the status really changed.

    if (oldStatusText != mStatusText) {

        emit statusUpdated();

    }

    OstTraceFunctionExit0(WLANSTATUSINFO_UPDATESTATUS_EXIT);

}