/*

* 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 CWsfWlanIapWizard

*

*/

//  EXTERNAL INCLUDES

#include <e32std.h>

#include <utf.h>

#include <wlanmgmtcommon.h>

#include <StringLoader.h> 

#include <cmpluginwlandef.h>

#include <cmsettingsui.h>

#include <ConnectionUiUtilities.h>

#include <data_caging_path_literals.hrh>

#include <bautils.h>

#include <AknQueryDialog.h> 

#include <aknnotewrappers.h>

#include <wsfapwizard.rsg>

//  CLASS HEADER

#include "wsfwlaniapwizard.h"

//  INTERNAL INCLUDES

#include "wsfwlaniapcreator.h"

#include "wsfwlanssiddiscovery.h"

#include "wsflogger.h"

using namespace CMManager;

/**

* ROM folder

*/

_LIT( KDriveZ, "z:" );

/**

* Resource file name

*/

_LIT( KResourceFileName, "wsfapwizard.rsc" );

/**

* the longest possible key is the 64 character long hex WPA key

*/

static const TInt KMaxSecureKeyLength = 64;

#ifdef _DEBUG

    _LIT( KApWizardPanic, "wsfapwizard" );

    #define __ASSERTD( v )  __ASSERT_DEBUG( (v), \

                                    User::Panic( KApWizardPanic, 0 ) )

#else

    #define __ASSERTD( v )

#endif

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

// CWsfWlanIapWizard::NewL

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

//

EXPORT_C CWsfWlanIapWizard* CWsfWlanIapWizard::NewL()

    {

    CWsfWlanIapWizard* thisPtr = NewLC();

    CleanupStack::Pop( thisPtr );

    return thisPtr;    

    }

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

// CWsfWlanIapWizard::NewLC

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

//

EXPORT_C CWsfWlanIapWizard* CWsfWlanIapWizard::NewLC()

    {

    CWsfWlanIapWizard* thisPtr = new (ELeave) CWsfWlanIapWizard();

    CleanupStack::PushL( thisPtr );

    thisPtr->ConstructL();

    return thisPtr;

    }

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

// CWsfWlanIapWizard::CWsfWlanIapWizard

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

//

CWsfWlanIapWizard::CWsfWlanIapWizard():

    iEnv( *CEikonEnv::Static() ),

    iResourceFileOffset( -1 ),

    iWlanInfo( NULL )

    {

    }

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

// CWsfWlanIapWizard::ConstructL

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

//

void CWsfWlanIapWizard::ConstructL()

    {

    iResourceFileOffset = InitResourcesL( iEnv );    

    iCreator = CWsfWlanIapCreator::NewL();    

    iSsidDiscovery = CWsfWlanSsidDiscovery::NewL();

    }

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

// CWsfWlanIapWizard::~CWsfWlanIapWizard

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

//

EXPORT_C CWsfWlanIapWizard::~CWsfWlanIapWizard()

    {

    delete iCreator;

    ReleaseResources( iEnv, iResourceFileOffset );

    delete iUsedPassword;

    delete iWaitDialog;

    delete iSsidDiscovery;

    }

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

// CWsfWlanIapWizard::InitResourcesL

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

//

TInt CWsfWlanIapWizard::InitResourcesL( CEikonEnv& aEnv )

    {

    // The resource has to be loaded manually since it is not an application.

    TFileName resourceFileName;

    resourceFileName.Append( KDriveZ );

    resourceFileName.Append( KDC_RESOURCE_FILES_DIR );   

    resourceFileName.Append( KResourceFileName );

    BaflUtils::NearestLanguageFile( aEnv.FsSession(), resourceFileName );

    return aEnv.AddResourceFileL( resourceFileName );

    }

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

// CWsfWlanIapWizard::ReleaseResources

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

//

void CWsfWlanIapWizard::ReleaseResources( CEikonEnv& aEnv, TInt aResOffset )

    {

    if ( aResOffset != -1 )

        {

        aEnv.DeleteResourceFile( aResOffset );

        }

    }

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

// CWsfWlanIapWizard::LaunchWizardL

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

//

EXPORT_C TBool CWsfWlanIapWizard::LaunchWizardL( TWsfWlanInfo& aWlanInfo, 

                                                 TBool aDefineNewAccessPoint )

    {

    LOG_ENTERFN( "CWsfWlanIapWizard::LaunchWizardL" );

    LOG_WRITEF( "defineAp = %d", aDefineNewAccessPoint );

    if ( aDefineNewAccessPoint && 

         !( aWlanInfo.Hidden() && !aWlanInfo.Known() ) )

        {

        HBufC* ssid16 = aWlanInfo.GetSsidAsUnicodeLC();

        LOG_WRITEF( "ssid = %S", ssid16 );

        HBufC* infoText = StringLoader::LoadLC( 

                                     R_QTN_CMON_QUEST_CREATE_WLAN_IAP, 

                                     *ssid16 ); 

        CAknQueryDialog* confirmQuery = CAknQueryDialog::NewL();

        TBool result = confirmQuery->ExecuteLD( 

                                     R_QTN_WIZARD_CONFIRMATION_QUERY,

                                     *infoText );

        CleanupStack::PopAndDestroy( infoText );

        CleanupStack::PopAndDestroy( ssid16 );        

        if ( !result )

            {

            return result;

            }

        }

    iWlanInfo = &aWlanInfo;    

    iDefineNewAccessPoint = aDefineNewAccessPoint;

    TRAPD( err, AskNetworkDetailsL() );

    if ( err )

        {

        // We are here also if selection of 

        // the hidden network AP leaves or is 

        // cancelled by the end-user

        LOG_WRITE( "AskNetworkDetailsL failed" );

        }

    return ( !err );

    }

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

// CWsfWlanIapWizard::CreateAccessPointL

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

//

EXPORT_C TBool CWsfWlanIapWizard::CreateAccessPointL()

    {

    LOG_ENTERFN( "CWsfWlanIapWizard::CreateAccessPointL" );

    __ASSERTD( iWlanInfo );

    if ( iWlanInfo->iIapId != 0 )    

        {

        // Access Point already exists

        User::Leave( KErrAlreadyExists );

        }    

    // otherwise new Access Point will be created

    if ( !iWlanInfo->iSsid.Length() )

        {

        User::Leave( KErrGeneral );

        }

    TPtrC sharedKey = iUsedPassword ? *iUsedPassword : KNullDesC();

    TUint32 destId( 0 );

    if ( iDefineNewAccessPoint )

        {

        // define access point was selected, select destination query follows

        LOG_WRITE( "defineAp = ETrue, opening select destination dialog..." );

        CCmSettingsUi* settings = CCmSettingsUi::NewL();

        CleanupStack::PushL( settings );

        TBool result( EFalse );

        result = settings->SelectDestinationDlgL( destId );

        CleanupStack::PopAndDestroy( settings ); //settings

        if ( !result )

            {

            LOG_WRITE( "dialog cancelled" );

            // cancel was pressed, abort creation

            return EFalse;

            }

        LOG_WRITEF( "target destination = %d", destId );

        }

    iCreator->SetDefaultDestination( destId );

    iCreator->CreateAccessPointL( *iWlanInfo, sharedKey, iIsHexWep );

    return ETrue;

    }

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

// CWsfWlanIapWizard::QueryTextL

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

//

TInt CWsfWlanIapWizard::QueryTextL( TInt aQueryStringResource, 

                                    TDes& aVariable, 

                                    const TInt &aMaxLength )

    {

    LOG_ENTERFN( "CWsfWlanIapWizard::QueryTextL" );

    HBufC* queryText = StringLoader::LoadLC( aQueryStringResource );

    CAknTextQueryDialog* textQuery = CAknTextQueryDialog::NewL( aVariable );

    CleanupStack::PushL( textQuery );

    textQuery->SetPromptL( *queryText );

    textQuery->SetMaxLength( aMaxLength );

    CleanupStack::Pop( textQuery );

    TInt result = textQuery->ExecuteLD( R_QTN_WIZARD_QUERY_GENERAL );    

    CleanupStack::PopAndDestroy( queryText );

    return result;

    }

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

// CWsfWlanIapWizard::QuerySecureKeyL

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

//

TBool CWsfWlanIapWizard::QuerySecureKeyL()

    {

    LOG_ENTERFN( "CWsfWlanIapWizard::QuerySecureKeyL" );

    TBool okPressed( ETrue );

    switch ( iWlanInfo->iSecurityMode )

        {

        case EWlanSecModeWep:

            {

            LOG_WRITE( "secmode WEP" );

            CConnectionUiUtilities* connUiUtils = 

                                            CConnectionUiUtilities::NewL();

            CleanupStack::PushL( connUiUtils );

            iUsedPassword = HBufC::NewL( KMaxSecureKeyLength );

            TPtr ptr( iUsedPassword->Des() );

            okPressed = connUiUtils->EasyWepDlg( &ptr, iIsHexWep );

            CleanupStack::PopAndDestroy( connUiUtils );

            break;

            }

        case EWlanSecModeWpa:

        case EWlanSecModeWpa2:

        case EWlanSecMode802_1x:

            {

            if ( iWlanInfo->UsesPreSharedKey() )

                {

                // WPA-PSK

                LOG_WRITE( "secmode WPA-PSK" );

                CConnectionUiUtilities* connUiUtils = 

                                            CConnectionUiUtilities::NewL();

                CleanupStack::PushL( connUiUtils );

                iUsedPassword = HBufC::NewL( KMaxSecureKeyLength );

                TPtr ptr( iUsedPassword->Des() );

                okPressed = connUiUtils->EasyWpaDlg( &ptr );

                CleanupStack::PopAndDestroy( connUiUtils );

                }

            else

                {

                // no key prompt in EAP mode, but the usual note is shown

                LOG_WRITE( "secmode WPA-EAP" );

                HBufC* eapText = StringLoader::LoadLC( 

                                 R_QTN_NETW_CONSET_INFO_EAP_SETTINGS_DEFAULT );

                CAknInformationNote* informationNote = 

                                     new (ELeave) CAknInformationNote( ETrue );

                informationNote->ExecuteLD( *eapText );

                CleanupStack::PopAndDestroy( eapText );

                }

            break;                

            }

        case EWlanSecModeOpen:

        default:

            {

            LOG_WRITE( "secmode Open" );

            delete iUsedPassword;

            iUsedPassword = NULL;

            }

        }

    return okPressed;

    }

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

// CWsfWlanIapWizard::DismissWaitNote

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

//

void CWsfWlanIapWizard::DismissWaitNote( TAny* aPtr )

    {

    LOG_ENTERFN( "CWsfWlanIapWizard::DismissWaitNote" );

    CWsfWlanIapWizard* self = static_cast<CWsfWlanIapWizard*>( aPtr );

    if ( self->iWaitDialog )

        {

        // close waitnote

        LOG_WRITE( "closing waitnote..." );

        TRAP_IGNORE( self->iWaitDialog->ProcessFinishedL() );

        // cleanup

        delete self->iWaitDialog;

        self->iWaitDialog = NULL;        

        }

    }

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

// CWsfWlanIapWizard::AskNetworkDetailsL

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

//

void CWsfWlanIapWizard::AskNetworkDetailsL()

    {

    LOG_ENTERFN( "CWsfWlanIapWizard::AskNetworkDetailsL" );

    // check the wlan info, and make proper questions....

    if ( iWlanInfo->Hidden() && !iWlanInfo->Known() )

        {

        LOG_WRITE( "unlisted network" );

        // query network SSID

        HBufC* ssid16 = AskSsidL();

        LOG_WRITEF( "SSID: [%S]", ssid16 );

        // update SSID        

        CnvUtfConverter::ConvertFromUnicodeToUtf8( iWlanInfo->iSsid, *ssid16 );

        delete ssid16;

        // pop up waitnote

        iWaitDialog = new ( ELeave ) CAknWaitDialog( 

                       reinterpret_cast<CEikDialog**>( &iWaitDialog ), ETrue );

        iWaitDialog->SetCallback( this );

        iWaitDialog->ExecuteLD( R_SEARCHING_WLAN_WAIT_NOTE ); 

        CleanupStack::PushL( TCleanupItem( DismissWaitNote, this ) );

        // start to scan for surrounding WLAN networks

        TBool foundSsid( EFalse );

        TBool usePsk( EFalse );

        TWlanSsid ssid( iWlanInfo->iSsid );

        // make a broadcast scan

        LOG_WRITE( "broadcast scanning for SSID" );

        foundSsid = iSsidDiscovery->ScanForSsidL( ssid, ETrue, 

                                         iWlanInfo->iNetMode, 

                                         iWlanInfo->iSecurityMode, 

                                         usePsk );

        // SSID found?

        if ( !foundSsid )

            {

            // must be really hidden, direct scan for SSID

            LOG_WRITE( "broadcast scan failed, direct scanning for SSID" );

            foundSsid = iSsidDiscovery->ScanForSsidL( ssid, EFalse, 

                                             iWlanInfo->iNetMode, 

                                             iWlanInfo->iSecurityMode, 

                                             usePsk );

            // it can only be found as hidden

            iWlanInfo->iVisibility = EFalse;

            CleanupStack::PopAndDestroy( 1 ); // DismissWaitNote

            if ( !foundSsid )

                {

                LOG_WRITE( "direct scan failed, entering fully manual mode" );

                // pop up discreet popup: No WLANs found

                CConnectionUiUtilities* connUiUtils = CConnectionUiUtilities::NewL();        

                connUiUtils->NoWLANNetworksAvailableNote();

                delete connUiUtils;                

                // now entering fully manual mode

                // query network mode

                TInt mode( 0 );

                CAknListQueryDialog* listQuery = 

                                  new (ELeave) CAknListQueryDialog( &mode );

                listQuery->PrepareLC( R_QTN_WIZARD_NETWORK_MODE );

                TInt retval = listQuery->RunLD();

                if ( !retval )

                    {

                    User::Leave( KErrCancel );

                    }

                const TInt KModeInfraPublic = 0;

                const TInt KModeInfraHidden = 1;

                const TInt KModeAdhocPublic = 2;

                TBool adhoc( EFalse );

                switch ( mode )

                    {

                    case KModeInfraPublic: 

                        {

                        LOG_WRITE( "infra public mode" );

                        iWlanInfo->iNetMode = EInfra;

                        iWlanInfo->iVisibility = ETrue;

                        break;

                        }

                    case KModeInfraHidden: 

                        {

                        LOG_WRITE( "infra hidden mode" );

                        iWlanInfo->iNetMode = EInfra;

                        iWlanInfo->iVisibility = EFalse;

                        break;

                        }

                    case KModeAdhocPublic: 

                        {

                        LOG_WRITE( "adhoc public mode" );

                        adhoc = ETrue;

                        iWlanInfo->iNetMode = EAdhoc;

                        iWlanInfo->iVisibility = ETrue;

                        break;

                        }

                    }

                // query security mode

                const TInt KSecModeOpen = 0;

                const TInt KSecModeWep = 1;

                const TInt KSecMode8021x = 2;

                const TInt KSecModeWpa = 3;

                mode = KSecModeOpen;

                listQuery = new (ELeave) CAknListQueryDialog( &mode );

                if ( adhoc )

                    {

                    listQuery->PrepareLC( R_QTN_WIZARD_AUTH_MODE_AD_HOC );

                    }

                else

                    {

                    listQuery->PrepareLC( R_QTN_WIZARD_AUTH_MODE );

                    }

                retval = listQuery->RunLD();

                if ( !retval )

                    {

                    User::Leave( KErrCancel );