/*

* 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: 

* Symbian platform specific implementation of WLAN IAP scanning.

*/

// System includes

#include <QList>

#include <cmmanagerdefines_shim.h>

// User includes

#include "wlanqtutils.h"

#include "wlanqtutilsiap.h"

#include "wlanqtutilsscan.h"

#include "wlanqtutilsscaniap_symbian.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "wlanqtutilsscaniap_symbianTraces.h"

#endif

/*!

    \class WlanQtUtilsScanIapPrivate

    \brief Symbian platform specific implementation of WLAN IAP scanning.

    Symbian platform specific implementation of WLAN IAP scanning. 

*/

// External function prototypes

// Local constants

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

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

/*!

    Static factory constructor.

    @param [in,out] wrapper Public implementation class reference.

    @return New instance of the class.

*/

WlanQtUtilsScanIapPrivate *WlanQtUtilsScanIapPrivate::NewL(WlanQtUtilsScan *wrapper)

{

    OstTraceFunctionEntry0(WLANQTUTILSSCANIAPPRIVATE_NEWL_ENTRY);

    WlanQtUtilsScanIapPrivate *self = new (ELeave) WlanQtUtilsScanIapPrivate(wrapper);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    OstTraceFunctionExit0(WLANQTUTILSSCANIAPPRIVATE_NEWL_EXIT);

    return self;

}

/*!

    Destructor.

*/

WlanQtUtilsScanIapPrivate::~WlanQtUtilsScanIapPrivate()

{

    OstTraceFunctionEntry0(WLANQTUTILSSCANIAPPRIVATE_WLANQTUTILSSCANIAPPRIVATE_ENTRY);

    Cancel();

    delete mWlanMgmtClient;

    mWlanMgmtClient = NULL;

    mAvailableIaps.Close();

    OstTraceFunctionExit0(WLANQTUTILSSCANIAPPRIVATE_WLANQTUTILSSCANIAPPRIVATE_EXIT);

}

/*!

    Starts a scan to see currently available WLAN IAPs.

*/

void WlanQtUtilsScanIapPrivate::ScanIaps()

{

    OstTraceFunctionEntry0(WLANQTUTILSSCANIAPPRIVATE_SCANIAPS_ENTRY);

    // Scanning while previous scan is not complete is not supported

    Q_ASSERT(!IsActive());

    // Make the scan

    mAvailableIaps.Reset();

    mWlanMgmtClient->GetAvailableIaps(

        mCacheLifetime,

        mMaxDelay,

        EFalse,

        iStatus,

        mAvailableIaps);

    SetActive();

    OstTraceFunctionExit0(WLANQTUTILSSCANIAPPRIVATE_SCANIAPS_EXIT);

}

/*!

    Stops an ongoing scan.

*/

void WlanQtUtilsScanIapPrivate::StopScan()

{

    OstTraceFunctionEntry0(WLANQTUTILSSCANIAPPRIVATE_STOPSCAN_ENTRY);

    Cancel();

    OstTraceFunctionExit0(WLANQTUTILSSCANIAPPRIVATE_STOPSCAN_EXIT);

}

/*!

    Scan results handler.

*/

void WlanQtUtilsScanIapPrivate::RunL()

{

    OstTraceFunctionEntry0(WLANQTUTILSSCANIAPPRIVATE_RUNL_ENTRY);

    QT_TRYCATCH_LEAVING(

        if (iStatus != KErrNone) {

            // Scan failed

            emit q_ptr->scanFailed(WlanQtUtils::ScanStatusError);

        } else {

            // Scan succeeded

            QList< QSharedPointer<WlanQtUtilsIap> > scanResults;

            ExtractScanResults(scanResults);

            // Inform about the results 

            emit q_ptr->availableWlanIaps(scanResults);

        }

    );

    OstTraceFunctionExit0(WLANQTUTILSSCANIAPPRIVATE_RUNL_EXIT);

}

/*!

    Cancels an outstanding request.

*/

void WlanQtUtilsScanIapPrivate::DoCancel()

{

    OstTraceFunctionEntry0(WLANQTUTILSSCANIAPPRIVATE_DOCANCEL_ENTRY);

    mWlanMgmtClient->CancelGetAvailableIaps();

    OstTraceFunctionExit0(WLANQTUTILSSCANIAPPRIVATE_DOCANCEL_EXIT);

}

/*!

    Constructor.

    @param [in,out] wrapper Public implementation class reference.

*/

WlanQtUtilsScanIapPrivate::WlanQtUtilsScanIapPrivate(WlanQtUtilsScan *wrapper) :

    CActive(EPriorityStandard),

    q_ptr(wrapper),

    mWlanMgmtClient(NULL),

    mCacheLifetime(0),

    mMaxDelay(0),

    mAvailableIaps()

{

    OstTraceFunctionEntry0(DUP1_WLANQTUTILSSCANIAPPRIVATE_WLANQTUTILSSCANIAPPRIVATE_ENTRY);

    OstTraceFunctionExit0(DUP1_WLANQTUTILSSCANIAPPRIVATE_WLANQTUTILSSCANIAPPRIVATE_EXIT);

}

/*!

    Second phase constructor.

*/

void WlanQtUtilsScanIapPrivate::ConstructL()

{

    OstTraceFunctionEntry0(WLANQTUTILSSCANIAPPRIVATE_CONSTRUCTL_ENTRY);

    CActiveScheduler::Add(this);

    mWlanMgmtClient = CWlanMgmtClient::NewL();

    OstTraceFunctionExit0(WLANQTUTILSSCANIAPPRIVATE_CONSTRUCTL_EXIT);

}

/*

    Extracts scan results and stores them into the given AP list.

    @param [out] scanResults Scan result list.

*/

void WlanQtUtilsScanIapPrivate::ExtractScanResults(

    QList< QSharedPointer<WlanQtUtilsIap> > &scanResults)

{

    OstTraceFunctionEntry0(WLANQTUTILSSCANIAPPRIVATE_EXTRACTSCANRESULTS_ENTRY);

    for (int i=0; i < mAvailableIaps.Count(); i++) {

        // Create an IAP for each result

        QSharedPointer<WlanQtUtilsIap> iap(new WlanQtUtilsIap());

        // IAP ID

        iap->setValue(

            WlanQtUtilsIap::ConfIdIapId,

            (int)mAvailableIaps[i].iIapId);

        // Signal strength

        iap->setValue(

            WlanQtUtilsIap::ConfIdSignalStrength,

            (int)mAvailableIaps[i].iRssi);

        // Append the IAP to scan result list

        scanResults.append(iap);

    }

    OstTraceFunctionExit0(WLANQTUTILSSCANIAPPRIVATE_EXTRACTSCANRESULTS_EXIT);

}