/*

* Copyright (c) 2007 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: 

*      Implementation of utilities functions.   

*      

*

*/

// INCLUDE FILES

//User includes

#include "wlanpluginwlanstate.h"

#include "wlanplugindbobserver.h"

#include "wlanpluginlogger.h"

#include "wlanplugintimeshifter.h"

//System includes

#include <wsfmodel.h>

#include <wsfwlaninfoarray.h>

#include <wlanpluginrsc.rsg>

#include <StringLoader.h> 

#include <gsparentplugin.h>

#include <wlanplugin.mbg>

#include <wsfwlaninfoarrayvisitor.h>

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

// ---------------------------------------------------------

// CWlanPluginWlanState::CWlanPluginWlanState

// Constructor

// ---------------------------------------------------------

CWlanPluginWlanState::CWlanPluginWlanState( CGSParentPlugin *aParent ) 

: iScanning( EFalse ),

  iConnected( EFalse ),

  iExplicitScanning( 0 ),

  iCoeEnv( CCoeEnv::Static() ),

  iParent( aParent ),

  iSignalStrength(ENoSignal),

  iSupressParentUpdate( EFalse ),

  iSupressUpdateWlan( EFalse ),

  iValidSecondLine( ETrue ),   

  iSupressTimeShifter( EFalse )

    {

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::~CWlanPluginWlanState

// Descructor

// ---------------------------------------------------------

CWlanPluginWlanState::~CWlanPluginWlanState()

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::~CWlanPluginWlanState()" );  

    if ( iEngine )

        {

        iEngine->CancelNotifyEvents();

        }

    if( iExplicitScanning )

        {

        TRAP_IGNORE( SetScanningL( EFalse ) );

        }

    if( iTimeShifter )

        {

        delete iTimeShifter;

        }

    delete iDbObserver;

    delete iWlanInfoBranding;

    //remove self from further notifications from the

    //sniffer server

    delete iEngine;

    delete iPresentString;

    CLOG_LEAVEFN( "CWlanPluginWlanState::~CWlanPluginWlanState()" );        

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::NewLC

// ---------------------------------------------------------

CWlanPluginWlanState* CWlanPluginWlanState::NewLC( CGSParentPlugin *aParent )

    {

    CWlanPluginWlanState* self= new ( ELeave ) 

                                   CWlanPluginWlanState( aParent );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::NewL

// ---------------------------------------------------------

CWlanPluginWlanState* CWlanPluginWlanState::NewL( CGSParentPlugin *aParent )

    {

    CWlanPluginWlanState* self = CWlanPluginWlanState::NewLC( aParent );

    CleanupStack::Pop( self );    

    return self;

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::ConstructL

// ---------------------------------------------------------

void CWlanPluginWlanState::ConstructL()

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::ConstructL()" );  

    iSupressParentUpdate = ETrue;

    iEngine = CWsfModel::NewL( *this, EFalse );

    iWlanInfoBranding = CWsfWlanInfoArrayVisitor::NewL( ETrue );

    iWlanInfoBranding->LoadFilterDefinitionsL();

    if( iEngine->IsScanEnabledL() )

        {

        iScanning = ETrue;

        UpdateWlanListL();

        }

    if( iEngine->IsConnectedL() )

        {

        iEngine->GetConnectedWlanDetailsL( iConnectedWlanInfo );

        }

    iDbObserver = CWlanPluginDbObserver::NewL( this );

    iDbObserver->ActivateItL();

    if( !iConnected && !iScanning && iExplicitScanning )

        {

        iValidSecondLine = EFalse;

        }

    iSupressParentUpdate = EFalse;

    CLOG_LEAVEFN( "CWlanPluginWlanState::ConstructL()" );            

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::WlanListChangedL

// ---------------------------------------------------------

void CWlanPluginWlanState::WlanListChangedL()

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::WlanListChangedL()" );  

	iValidSecondLine = ETrue;

    //if there is modification

    UpdateWlanListL();

    UpdateParentViewL();

    CLOG_LEAVEFN( "CWlanPluginWlanState::WlanListChangedL()" );    

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::NotifyEngineError

// ---------------------------------------------------------

void CWlanPluginWlanState::NotifyEngineError( TInt /*aError*/ )

    {

    CLOG_LEAVEFN( "CWlanPluginWlanState::NotifyEngineError()" );

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::ScanDisabledL

// ---------------------------------------------------------

void CWlanPluginWlanState::ScanDisabledL()

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::ScanDisabledL()" ); 

    iScanning = EFalse;

    UpdateParentViewL();

    CLOG_LEAVEFN( "CWlanPluginWlanState::ScanDisabledL()" );    

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::ScanEnabledL

// ---------------------------------------------------------

void CWlanPluginWlanState::ScanEnabledL()

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::ScanEnabledL()" ); 

    // plugin has enabled scanning - background scan is on

    if ( iExplicitScanning )

        {

        CLOG_WRITE( "Refresh scan results" );

        iEngine->RefreshScanL();

        }

    iScanning = ETrue;

    UpdateWlanListL();

    UpdateParentViewL();

    CLOG_LEAVEFN( "CWlanPluginWlanState::ScanEnabledL()" );

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::WlanConnectionActivatedL

// ---------------------------------------------------------    

void CWlanPluginWlanState::WlanConnectionActivatedL( 

                                const TDesC& /*aAccessPointName*/ )

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::WlanConnectionActivatedL()" );   

    iEngine->GetConnectedWlanDetailsL( iConnectedWlanInfo );

    UpdateParentViewL();

    CLOG_LEAVEFN( "CWlanPluginWlanState::WlanConnectionActivatedL()" );

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::WlanConnectionClosedL

// ---------------------------------------------------------    

void CWlanPluginWlanState::WlanConnectionClosedL()

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::WlanConnectionClosedL()" );    

    iConnected = EFalse;

    if( iScanning )

        {

        UpdateWlanListL();

        }

    UpdateParentViewL();

    CLOG_LEAVEFN( "CWlanPluginWlanState::WlanConnectionClosedL()" );

    }

// ---------------------------------------------------------------------------

// CWlanPluginWlanState::ConnectionCreationProcessFinishedL

// ---------------------------------------------------------------------------

//

void CWlanPluginWlanState::ConnectionCreationProcessFinishedL( TInt /*aResult*/ )

    {

    // no implementation required

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::GetStateStringL

// ---------------------------------------------------------

void CWlanPluginWlanState::GetStateStringL( TDes& aDes )

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::GetStateStringL()" ); 

    if( !iValidSecondLine )

    	{

        return;

    	}

    //make the string according to it

    HBufC* statestring = NULL;

    MakeStateStringL( iInfoArray, statestring );

    aDes.Copy( statestring->Des() );

    //keep it to decide later if it changed

    delete iPresentString; 

    iPresentString = statestring;

    CLOG_LEAVEFN( "CWlanPluginWlanState::GetStateStringL()" );

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::MakeStateStringL

// ---------------------------------------------------------    

void CWlanPluginWlanState::MakeStateStringL(

                            CWsfWlanInfoArray* aArray, HBufC*& aBuf )

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::MakeStateStringL()" ); 

    if( iConnected )

        {

        CLOG_ENTERFN( "Connected format needed" );

        FormatConnectedL( aBuf );	

        }

    else if ( !iScanning )

        {

        CLOG_ENTERFN( "Offline format needed" );

        FormatStatusOffL( aBuf );        

        }

    // if there's wlans avail

    else if ( aArray && aArray->Count() )

        {

        CLOG_ENTERFN( "wlans/wlan format needed" );

        CheckWlansL( aArray, aBuf );            

        }

    else 

        {

        // no wlans available

        CLOG_ENTERFN( "No wlan format needed" );

        FormatNoWlansAvailableL( aBuf );

        }

    CLOG_LEAVEFN( "CWlanPluginWlanState::MakeStateStringL()" );

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::FormatConnectedL

// ---------------------------------------------------------    

void CWlanPluginWlanState::FormatConnectedL( HBufC*& aBuf )

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::FormatConnectedL()" ); 

    //Ssid as primary text

    HBufC* ssid( NULL );

    if ( iConnectedWlanInfo.iNetworkName.Length() ) // If there is IAP

        {

        ssid = iConnectedWlanInfo.GetIapNameAsUnicodeLC();

        }

    else // If there no IAP

        {

        ssid = iConnectedWlanInfo.GetSsidAsUnicodeLC();

        }

    aBuf = StringLoader::LoadL( R_QTN_CP_DETAIL_WLAN_CONNECTED, 

                       *ssid );

    CleanupStack::PopAndDestroy( ssid );

    CLOG_LEAVEFN( "CWlanPluginWlanState::FormatConnectedL()" );

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::FormatStatusOffL

// ---------------------------------------------------------    

void CWlanPluginWlanState::FormatStatusOffL( HBufC*& aBuf )

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::FormatStatusOffL()" ); 

    aBuf = StringLoader::LoadL( R_QTN_CP_DETAIL_WLAN_SCAN_OFF );

    CLOG_LEAVEFN( "CWlanPluginWlanState::FormatStatusOffL()" );

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::FormatNoWlansAvailableL

// ---------------------------------------------------------    

void CWlanPluginWlanState::FormatNoWlansAvailableL( HBufC*& aBuf )

    { 

    CLOG_ENTERFN( "CWlanPluginWlanState::FormatNoWlansAvailableL()" ); 

    aBuf = StringLoader::LoadL( R_QTN_CP_DETAIL_WLAN_NO_NW_AVAILABLE );

    CLOG_LEAVEFN( "CWlanPluginWlanState::FormatNoWlansAvailableL()" );

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::CheckWlansL

// ---------------------------------------------------------    

void CWlanPluginWlanState::CheckWlansL( CWsfWlanInfoArray* aArray, 

                                    HBufC*& aBuf )

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::CheckWlansL()" ); 

    if ( aArray->At( 0 )->Known() )

        {

        FormatWlanSingleLineL( *aArray->At( 0 ), aBuf );

        return;

        }

    TBool multipleUnknownWlans = ( aArray->Count() > 1 );

    FormatUnknownWlansSingleLineL( multipleUnknownWlans, aBuf );    

    CLOG_LEAVEFN( "CWlanPluginWlanState::CheckWlansL()" );

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::FormatWlanSingleLineL

// ---------------------------------------------------------     

void CWlanPluginWlanState::FormatWlanSingleLineL( 

                                     TWsfWlanInfo& aWlan, HBufC*& aBuf )

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::FormatWlanSingleLineL()" ); 

        //Ssid as primary text

    HBufC* ssid( NULL );

    if ( aWlan.iNetworkName.Length() ) // If there is IAP

        {

        ssid = aWlan.GetIapNameAsUnicodeLC();

        }

    else // If there no IAP

        {

        ssid = aWlan.GetSsidAsUnicodeLC();

        }

    TInt formatResource = R_QTN_CP_DETAIL_WLAN_KNOWN_NW_AVAILABLE; 

    aBuf = StringLoader::LoadL ( formatResource, *ssid );

    CleanupStack::PopAndDestroy( ssid );            

    CLOG_LEAVEFN( "CWlanPluginWlanState::FormatWlanSingleLineL()" );

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::FormatUnknownWlansSingleLineL

// ---------------------------------------------------------

void CWlanPluginWlanState::FormatUnknownWlansSingleLineL( 

                        const TBool aMultipleUnknownWlans, HBufC*& aBuf )

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::FormatUnknownWlansSingleLineL()" ); 

    TInt unknownItemResource = aMultipleUnknownWlans ? 

                        R_QTN_CP_DETAIL_WLAN_NETWORKS_AVAILABLE :

                        R_QTN_CP_DETAIL_WLAN_NETWORK_AVAILABLE;

    aBuf = StringLoader::LoadL( unknownItemResource );

    CLOG_LEAVEFN( "CWlanPluginWlanState::FormatUnknownWlansSingleLineL()" );   

    } 

// ---------------------------------------------------------

// CWlanPluginWlanState::GetMainIconL

// ---------------------------------------------------------    

TBool CWlanPluginWlanState::GetMainIconL( TInt& aPic, 

		                                  TInt& aPicMask,

		                                  TAknsItemID& aItemId )

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::GetMainIconL()" ); 

    if( !iValidSecondLine )

        {

        aPic = EMbmWlanpluginQgn_prop_set_conn_wlan;

        aPicMask = EMbmWlanpluginQgn_prop_set_conn_wlan_mask;  

        aItemId = KAknsIIDQgnPropSetConnWlanConn;

        CLOG_LEAVEFN( "CWlanPluginWlanState::GetMainIconL()" );

        return ETrue;

        }

    if( !iSupressTimeShifter)

        {

        iSupressTimeShifter = EFalse;

        CLOG_WRITE(" Time shifter start not supressed ");

        if( !iTimeShifter )

            {

        	CLOG_WRITE(" Time shifter started ");

            iSupressTimeShifter = ETrue;

            iTimeShifter = CWlanPluginTimeShifter::NewL( this );

            iTimeShifter->ActivateIt();

            }

        }

    else

        {

        CLOG_WRITE(" Time shifter start supressed ");

        iSupressTimeShifter = EFalse;

        }

    if( iConnected )

        {

        //CONNECTED

        aPic = EMbmWlanpluginQgn_prop_set_conn_wlan_conn;

        aPicMask = EMbmWlanpluginQgn_prop_set_conn_wlan_conn_mask;

        aItemId = KAknsIIDQgnPropSetConnWlanConn;

        }

    else if( iScanning )

        {

        //SCANNING BUT NOT CONNECTED

        aPic = EMbmWlanpluginQgn_prop_set_conn_wlan;

        aPicMask = EMbmWlanpluginQgn_prop_set_conn_wlan_mask;  

        aItemId = KAknsIIDQgnPropSetConnWlanConn;

        }

    else

        {

        //SCANNING DISABLED

        aPic = EMbmWlanpluginQgn_prop_set_conn_wlan_off;

        aPicMask = EMbmWlanpluginQgn_prop_set_conn_wlan_off_mask;

        aItemId = KAknsIIDQgnPropSetConnWlanOff;

        }

    CLOG_LEAVEFN( "CWlanPluginWlanState::GetMainIconL()" );

    return ETrue;

    }

// ---------------------------------------------------------

// CWlanPluginWlanState::GetStrengthIconL

// ---------------------------------------------------------        

TBool CWlanPluginWlanState::GetStrengthIconL( TInt& aPic, 

		                                      TInt& aPicMask, 

		                                      TAknsItemID& aItemId)

    {

    CLOG_ENTERFN( "CWlanPluginWlanState::GetStrengthIconL()" ); 

    if( !iValidSecondLine )

    	{

        return EFalse;

    	}

    if ( iConnected )

        {

        switch( iConnectedWlanInfo.SignalStrength() )

            {

            case EPoor:

                aPic = EMbmWlanpluginQgn_indi_wlan_signal_low_add;

                aPicMask = EMbmWlanpluginQgn_indi_wlan_signal_low_add_mask;

                aItemId = KAknsIIDQgnIndiWlanSignalLowAdd;

                break;    

            case EAverage:

                aPic = EMbmWlanpluginQgn_indi_wlan_signal_med_add;

                aPicMask = EMbmWlanpluginQgn_indi_wlan_signal_med_add_mask;

                aItemId = KAknsIIDQgnIndiWlanSignalMedAdd;

                break;

            case EExcelent:

                aPic = EMbmWlanpluginQgn_indi_wlan_signal_good_add;

                aPicMask = EMbmWlanpluginQgn_indi_wlan_signal_good_add_mask;

                aItemId = KAknsIIDQgnIndiWlanSignalGoodAdd;

                break;

            default:

                aPic = EMbmWlanpluginQgn_indi_wlan_signal_low_add;

                aPicMask = EMbmWlanpluginQgn_indi_wlan_signal_low_add_mask;

                aItemId = KAknsIIDQgnIndiWlanSignalLowAdd;