/*

* 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:    Settings item for one destination network. Also handles

*                saving destination networks to permanent storage.

*

*/

#include <charconv.h>

#include <CWPCharacteristic.h>

#include <cmmanagerext.h>

#include <cmdestinationext.h>

#include <cmconnectionmethodext.h>

#include <cmconnectionmethoddef.h>

#include <cmpluginwlandef.h> // For WLAN plugin UID, i.e. bearer type.

#include "cwpdestinationnwitem.h"

#include "wpdestinationnwdebug.h"

const TInt KMaxCharsInTUint32 = 10;

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

// CWPDestinationNwItem::NewL

//

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

//

CWPDestinationNwItem* CWPDestinationNwItem::NewL()

    {

    CWPDestinationNwItem* self = new ( ELeave ) CWPDestinationNwItem();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CWPDestinationNwItem::CWPDestinationNwItem

//

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

//

CWPDestinationNwItem::CWPDestinationNwItem()

    {

    }

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

// CWPDestinationNwItem::~CWPDestinationNwItem

//

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

//

CWPDestinationNwItem::~CWPDestinationNwItem()

    {

    DBG_PRINT( "CWPDestinationNwItem::~CWPDestinationNwItem - begin" );

    delete iAppRef;

    delete iSettingsName;

    iNapDefs.Close();

    delete iSavedProfileId;

    DBG_PRINT( "CWPDestinationNwItem::~CWPDestinationNwItem - end" );

    }

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

// CWPDestinationNwItem::ConstructL

//

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

//

void CWPDestinationNwItem::ConstructL()

    { 

    DBG_PRINT( "CWPDestinationNwItem::ConstructL - begin" );

    iAppRef         = HBufC8::NewL( 0 );

    iSettingsName   = HBufC::NewL( 0 );

    iSavedProfileId = HBufC8::NewL( KMaxCharsInTUint32 );

    DBG_PRINT( "CWPDestinationNwItem::ConstructL - end" );

    }

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

// CWPDestinationNwItem::SetAppRefL

//

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

//

void CWPDestinationNwItem::SetAppRefL( const TDesC8& aAppRef )

    {

    delete iAppRef;

    iAppRef = NULL;

    iAppRef = aAppRef.AllocL();

    }

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

// CWPDestinationNwItem::SetSettingsNameL

//

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

//

void CWPDestinationNwItem::SetSettingsNameL( const TDesC& aSettingsName )

    {

    delete iSettingsName;

    iSettingsName = NULL;

    iSettingsName = aSettingsName.AllocL();

    }

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

// CWPDestinationNwItem::AddNapDefL

//

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

//

void CWPDestinationNwItem::AddNapDefL( CWPCharacteristic* aNapDef )

    {

    iNapDefs.AppendL( aNapDef );

    }

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

// CWPDestinationNwItem::AppRef

//

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

//

const TDesC8& CWPDestinationNwItem::AppRef() const

    {

    return *iAppRef;

    }

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

// CWPDestinationNwItem::SettingsName

//

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

//

const TDesC& CWPDestinationNwItem::SettingsName() const

    {

    return *iSettingsName;

    }

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

// CWPDestinationNwItem::SaveL()

// Saves the Destination network using Extended connection settings API. 

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

//

void CWPDestinationNwItem::SaveL()

    {

    DBG_PRINT( "CWPDestinationNwItem::SaveL - begin" );

    // Number of IAPs that have been linked to this destination.

    const TInt iapCount( iNapDefs.Count() );

    RCmManagerExt cmManager;

    cmManager.OpenL();

    CleanupClosePushL( cmManager ); // CS:1

    RCmDestinationExt destination = CreateDestinationL( cmManager );

    CleanupClosePushL( destination ); // CS:2

    RCmConnectionMethodExt tempconn;

    // Add linked IAPs to destination.    

    for ( TInt counter = 0; counter < iapCount; counter++ )

        {

        TPckgBuf<TUint32> apUid;

        apUid.Copy( iNapDefs[counter]->Data( 0 ) );

        // The stored id is the wap id. Convert it into the iap id

        TUint32 iapId = IapIdFromWapIdL( apUid() );

        apUid = NULL;

        RCmConnectionMethodExt connection = 

            cmManager.ConnectionMethodL( iapId );

        CleanupClosePushL( connection ); // CS:5

        RArray<TUint32> destinationIds;        

        cmManager.AllDestinationsL( destinationIds );

        CleanupClosePushL( destinationIds );

        TInt counter2(0);        

        for ( counter2 = 0; counter2 < destinationIds.Count(); counter2++ )

            {

            RCmDestinationExt tempdest = cmManager.DestinationL( 

                        destinationIds[counter2] );            

            TRAPD( err, tempconn = tempdest.ConnectionMethodByIDL( iapId ));

            tempconn.Close();

            tempdest.Close();

            if ( err != KErrNotFound )

                {

                // Found from other destination                  

                break;                

                }           

            }                

        if ( counter2 == destinationIds.Count() )

            {

            // Not found in any other destination

            destination.AddConnectionMethodL( connection );            

            }

        else

            {            

            // Found in some other destination -> create copy

            destination.AddConnectionMethodL( tempconn = connection.CreateCopyL() );

            tempconn.Close();            

            }

        CleanupStack::PopAndDestroy( &destinationIds );

        // Change seamlessness level for linked WLAN IAPs.

        TUint32 bearerType = connection.GetIntAttributeL( 

            CMManager::ECmBearerType );

        if ( KUidWlanBearerType == bearerType )

            {

            connection.SetIntAttributeL( CMManager::ECmSeamlessnessLevel, 

                CMManager::ESeamlessnessShowprogress );

            connection.UpdateL();

            }

        destination.UpdateL();

        CleanupStack::PopAndDestroy( &connection ); // CS:4

        }    

    destination.UpdateL(); // In case there were no IAP linkages.

    // Destination ID is needed as a descriptor (used in linking settings).

    TUint32 destinationId = destination.Id();

    iSavedProfileId->Des().Num( destinationId, EDecimal );

    // Pop destination & cmManager.

    CleanupStack::PopAndDestroy( 2, &cmManager ); // CS:0

    DBG_PRINT( "CWPDestinationNwItem::SaveL - end" );

    }

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

// CWPDestinationNwItem::SaveData

//

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

//

const TDesC8& CWPDestinationNwItem::SaveData() const

    {

    return *iSavedProfileId;

    }

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

// CWPDestinationNwItem::CreateDestinationL

// Checks that settings name if unique, renames if necessary, and creates

// a destination network.

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

//

RCmDestinationExt CWPDestinationNwItem::CreateDestinationL( 

    RCmManagerExt& aCmManager )

    {

    DBG_PRINT( "CWPDestinationNwItem::CreateDestinationL - begin" );

    RArray<TUint32> destinationIds;

    // Get destination ID's for checking if name to be set is reserved.

    CleanupClosePushL( destinationIds ); // CS:1

    aCmManager.AllDestinationsL( destinationIds );

    const TInt destinationCount = destinationIds.Count();

    // Destination's name to actually be used.

    HBufC* newName = HBufC::NewLC( 

        iSettingsName->Des().Length() + KMaxCharsInTUint32 ); // CS:2

    newName->Des().Copy( iSettingsName->Des() );

    // Check names from all existing destinations.

    for ( TInt counter = 0; counter < destinationCount; counter++ )

        {

        RCmDestinationExt destination = aCmManager.DestinationL( 

            destinationIds[counter] );

        CleanupClosePushL( destination ); // CS:3

        HBufC* settingsName = destination.NameLC(); // CS:4

        // If destination exists, return it.

        if ( 0 == newName->Des().Compare( settingsName->Des() ) )

            {

            // Pop settingsName & destination & newName

            CleanupStack::PopAndDestroy( 3, &destination ); // CS:1

            RCmDestinationExt dest2 = aCmManager.DestinationL( 

                    destinationIds[counter] );

            CleanupStack::PopAndDestroy( &destinationIds ); // CS:0

            DBG_PRINT( "CWPDestinationNwItem::CreateDestinationL - end" );

            return dest2;

            }

        // Pop settingsName & destination.

        CleanupStack::PopAndDestroy( 2, &destination ); // CS:2

        }

    // Create new a destination and return it.

    RCmDestinationExt destination = aCmManager.CreateDestinationL( *newName );

    // Pop newName & destinationIds

    CleanupStack::PopAndDestroy( 2, &destinationIds ); // CS:0

    DBG_PRINT( "CWPDestinationNwItem::CreateDestinationL - end" );

    return destination;

    }

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

// CWPDestinationNwItem::IapIdFromWapId

// Returns IAP ID from WAP ID.

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

//

TUint32 CWPDestinationNwItem::IapIdFromWapIdL( TUint32 aWapId )

    {

    RCmManagerExt cmManager;

    cmManager.OpenLC(); // CS:1

    RArray<TUint32> iapIds;

    TUint32 iapId( 0 );

    // First get all free IAP ID's.

    cmManager.ConnectionMethodL( iapIds );

    CleanupClosePushL( iapIds ); // CS:2

    // Then get IAP ID's from all destinations.

    RArray<TUint32> destIds;

    cmManager.AllDestinationsL( destIds );

    CleanupClosePushL( destIds ); // CS:3

    TInt destCount = destIds.Count();

    for ( TInt destIndex = 0; destIndex < destCount; destIndex++ )

        {

        RCmDestinationExt dest = cmManager.DestinationL( 

            destIds[destIndex] );

        CleanupClosePushL( dest ); // CS:4

        TInt cmCount = dest.ConnectionMethodCount();

        for ( TInt cmIndex = 0; cmIndex < cmCount; cmIndex++ )

            {

            TUint32 apId = dest.ConnectionMethodL( 

                cmIndex ).GetIntAttributeL( CMManager::ECmIapId );

            iapIds.AppendL( apId );

            }

        CleanupStack::PopAndDestroy( &dest ); // CS:3

        }

    // Finally, go through all connection methods and find correct IAP ID.

    const TInt cmCount = iapIds.Count();

    for ( TInt counter = 0; counter < cmCount; counter++ )

        {

        TUint32 id = cmManager.GetConnectionMethodInfoIntL( 

            iapIds[counter], CMManager::ECmWapId );

        if ( id == aWapId )

            {

            iapId = iapIds[counter];

            // No need to go through rest of IAPs.

            break;

            }

        }

    // PopAndDestroy destIds, iapIds, cmManager.

    CleanupStack::PopAndDestroy( 3, &cmManager ); // CS:0

    return iapId;

    }

// End of file.