/*

* Copyright (c) 2007-2008 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 CWsfMainViewModel.

*

*/

//  EXTERNAL INCLUDES

#include <badesca.h>

#include <coemain.h>

#include <StringLoader.h>

#include <wlansniffer.rsg>

//  CLASS HEADER

#include "wsfmainviewmodel.h"

//  INTERNAL INCLUDES

#include "wsfwlaninfo.h"

#include "wsfwlaninfoarray.h"

#include "wsfmainviewinternals.h"

#include "wsflogger.h"

//  LOCAL DEFINITIONS

// Listbox item format for open networks

_LIT( KVisibleItemFormat1Icon, "%d\t%S\t%S\t%d" );

// Listbox item format for secured networks

_LIT( KVisibleItemFormat2Icons, "%d\t%S\t%S\t%d\t%d" );

// Listbox item format for "Other (unlisted)" item

_LIT( KHiddenItemFormat, "\t%S" );

// Maximal length of listbox item strings

const TInt KListBoxItemMaxLength = 128;

// Listbox granularity

const TUint KWlanListGranularity = 4;

//  CONSTRUCTION AND DESTRUCTION

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

// CWsfMainViewModel::NewL

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

//

CWsfMainViewModel* CWsfMainViewModel::NewL()

    {

    LOG_ENTERFN( "CWsfMainViewModel::NewL" );

    CWsfMainViewModel* self = CWsfMainViewModel::NewLC();

    CleanupStack::Pop( self );

    return self;

    }

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

// CWsfMainViewModel::NewLC

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

//

CWsfMainViewModel* CWsfMainViewModel::NewLC()

    {

    LOG_ENTERFN( "CWsfMainViewModel::NewLC" );

    CWsfMainViewModel* self = new( ELeave ) CWsfMainViewModel;

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CWsfMainViewModel::~CWsfMainViewModel

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

//

CWsfMainViewModel::~CWsfMainViewModel()

    {

    LOG_ENTERFN( "CWsfMainViewModel::~CWsfMainViewModel" );

    delete iFormattedWlanList;

    delete iSelectedWlan;

    }

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

// CWsfMainViewModel::CWsfMainViewModel

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

//

CWsfMainViewModel::CWsfMainViewModel(): iCoeEnv( CCoeEnv::Static() )

    {

    }

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

// CWsfMainViewModel::ConstructL

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

//

void CWsfMainViewModel::ConstructL()

    {

    LOG_ENTERFN( "CWsfMainViewModel::ConstructL" );

    iFormattedWlanList = new (ELeave) CDesCArrayFlat( KWlanListGranularity );

    iSelectedWlan = KNullDesC8().AllocL();

    // add the hidden wlan item to the list by default

    TWsfWlanInfo dummy;

    HBufC* hidden = HBufC::NewLC( KListBoxItemMaxLength );

    TPtr ptr( hidden->Des() );

    FormatHiddenWlanItemL( dummy, ptr );

    iFormattedWlanList->AppendL( *hidden );

    CleanupStack::PopAndDestroy( hidden );

    }

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

// CWsfMainViewModel::GetWlanList

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

//

CDesCArrayFlat* CWsfMainViewModel::GetWlanList()

    {

    return iFormattedWlanList;

    }

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

// CWsfMainViewModel::GetInfoArray

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

//

CWsfWlanInfoArray* CWsfMainViewModel::GetInfoArray()

    {

    return iWlanInfoArray;

    }

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

// CWsfMainViewModel::SetSelectedWlan

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

//

void CWsfMainViewModel::SetSelectedWlan( HBufC8* aSsid )

    {

    delete iSelectedWlan;

    iSelectedWlan = aSsid;

    }

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

// CWsfMainViewModel::SelectedWlan

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

//

const TDesC8& CWsfMainViewModel::SelectedWlan()

    {

    return *iSelectedWlan;

    }

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

// CWsfMainViewModel::SetSelectedIndex

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

//

void CWsfMainViewModel::SetSelectedIndex( TInt aIndex )

    {

    iListboxIndex = aIndex;

    }

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

// CWsfMainViewModel::SelectedIndex

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

//

TInt CWsfMainViewModel::SelectedIndex()

    {

    return iListboxIndex;

    }

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

// CWsfMainViewModel::FormatNaviPaneLC

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

//

HBufC* CWsfMainViewModel::FormatNaviPaneLC()

    {

    LOG_ENTERFN( "CWsfMainViewModel::FormatNaviPaneLC" );

    HBufC* textOfNaviPane = NULL;

    if ( !iVisibleWlans )

        {

        textOfNaviPane =  KNullDesC().AllocLC();

        }

    else if ( iVisibleWlans == 1 )

        {

        textOfNaviPane = StringLoader::LoadLC(

            R_QTN_SNIFFER_NAVI_ONE_WLAN_NW_AVAILABLE, iCoeEnv );

        }

    else

        {

        textOfNaviPane = StringLoader::LoadLC(

                                R_QTN_SNIFFER_NAVI_MANY_WLAN_NWS_AVAILABLE, 

                                iVisibleWlans, 

                                iCoeEnv );

        }

    return textOfNaviPane;

    }

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

// CWsfMainViewModel::FormatWlanListL

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

//

void CWsfMainViewModel::FormatWlanListL( CWsfWlanInfoArray* aWlanList )

    {

    LOG_ENTERFN( "CWsfMainViewModel::FormatWlanListL" );

    //Function expects that items in list are already in proper order

    iVisibleWlans = 0;

    iWlanInfoArray = aWlanList;

    iFormattedWlanList->Reset();

    HBufC* item = HBufC::NewLC( KListBoxItemMaxLength );

    TPtr ptr( item->Des() );

    for (TInt i = 0; i < aWlanList->Count(); ++i )

        {

        TWsfWlanInfo* wlanInfo = aWlanList->At( i );

        // Hidden WLAN item is appended later for unknown hidden networks

        if ( wlanInfo->Hidden() && !wlanInfo->iIapId )

            {

            continue;

            }

        else

            {

            ++iVisibleWlans;

            }

        // known hidden wlans are also "visible"

        ptr.Zero();

        FormatVisibleWlanItemL( *wlanInfo, ptr );

        iFormattedWlanList->AppendL( ptr );

        }

    // now add "Other (unlisted)..." for hidden networks (always visible)

    // make up a dummy wlaninfo

    TWsfWlanInfo dummy;

    ptr.Zero();

    FormatHiddenWlanItemL( dummy, ptr );

    iFormattedWlanList->AppendL( ptr );

    CleanupStack::PopAndDestroy ( item );

    }

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

// CWsfMainViewModel::FormatHiddenWlanItemL

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

//

void CWsfMainViewModel::FormatHiddenWlanItemL( TWsfWlanInfo& /*aWlan*/, 

                                               TDes& aItem )

    {

    LOG_ENTERFN( "CWsfMainViewModel::FormatHiddenWlanItemL" );

    HBufC* primaryText = StringLoader::LoadLC( R_QTN_SNIFFER_HIDDEN_WLAN );

    // Only Hidden WLAN text is shown.

    // All icons are transparent

    aItem.Format( KHiddenItemFormat, primaryText );

    CleanupStack::PopAndDestroy( primaryText );

    }

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

// CWsfMainViewModel::FormatVisibleWlanItemL

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

//

void CWsfMainViewModel::FormatVisibleWlanItemL( TWsfWlanInfo& aWlan, 

                                                TDes& aItem )

    {

    LOG_ENTERFN( "CWsfMainViewModel::FormatVisibleWlanItemL" );

    // Icon in first column is transparent by default

    // Known / Connected / None

    TInt column1Icon = KTransparentIcon;   // qgn_transparent.svg

    if ( aWlan.BrandId() )

           {

           column1Icon = KTransparentIcon + aWlan.BrandId();

           }

    else if ( aWlan.Connected() )

        {

        column1Icon = KConnectedNWIcon;    // qgn_prop_cmon_wlan_conn.svg

        }

    else if ( aWlan.Known() )

        {

        column1Icon = KKnownNWIcon;        // qgn_prop_wlan_bearer.svg

        }

    //Ssid as primary text

    HBufC* primaryText( NULL );

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

        {

        primaryText = aWlan.GetIapNameAsUnicodeLC();

        }

    else // If there no IAP

        {

        primaryText = aWlan.GetSsidAsUnicodeLC();

        }

    //Secondary Text, "Known" if IAP is already defined. Else "Unknown"

    TInt resId = R_QTN_SNIFFER_UNKNOWN;

    if ( aWlan.ConnectionStatus() == EConnected )

        {

        resId = R_QTN_SNIFFER_CONNECTED;

        }

    else if ( aWlan.ConnectionStatus() == EConnecting ) 

        {

        resId = R_QTN_SNIFFER_CONNECTING;

        }

    else if ( aWlan.Known() ) 

        {

        resId = R_QTN_SNIFFER_KNOWN;

        }

    HBufC* secondaryText = StringLoader::LoadLC( resId );

    //Column 3

    //Show secure icon if network is secure. By default show transparant icon.

    TInt column4Icon = aWlan.Secure() ? KSecureNetworkIcon : KTransparentIcon;

    // Signal strenght for column 4

    // No signal icon is set by default

    TInt column3Icon = KNoSignalIcon;    //qgn_transparent.svg

    switch ( aWlan.SignalStrength() )

        {

        case EPoor:

            {

            column3Icon = KPoorSignal;      //qgn_indi_wlan_signal_low_add.svg

            break;

            }

        case EAverage:

            {

            column3Icon = KAverageSignal;   //qgn_indi_wlan_signal_med_add.svg

            break;

            }

        case EExcelent:

            {

            column3Icon = KExcelentSignal;  //qgn_indi_wlan_signal_good_add.svg

            break;

            }

        case ENoSignal:

        default:

            {

            column3Icon = KNoSignalIcon;     //qgn_indi_wlan_signal_no_wlan.svg

            break;

            }

        }

    if ( column4Icon == KTransparentIcon )

        {

        aItem.Format( KVisibleItemFormat1Icon, column1Icon,

                                        primaryText,

                                        secondaryText,

                                        column3Icon );

        }

    else

        {

        aItem.Format( KVisibleItemFormat2Icons, column1Icon,

                                        primaryText,

                                        secondaryText,

                                        column3Icon,

                                        column4Icon );

        }

    CleanupStack::PopAndDestroy( secondaryText );

    CleanupStack::PopAndDestroy( primaryText );

    }

// End of file