/*

* Copyright (c) 2009 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:  Base class for all notifiers for pairing purpose.

*

*/

#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS

#include <btextnotifiers.h>

#else

#include <btextnotifiers.h>

#include <btextnotifierspartner.h> // new file introduced by xSymbian

#endif

#include <StringLoader.h>    // Localisation stringloader

#include <utf.h>             // Unicode character conversion utilities

#include <btengconnman.h>

#include <BTNotif.rsg>       // Own resources

#include "btnpairnotifier.h"

#include "btNotifDebug.h"

#include "btnotifnameutils.h"

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

// CBTNPairNotifierBase::NewL

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

//

CBTNPairNotifierBase* CBTNPairNotifierBase::NewL()

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CBTNPairNotifierBase Destructor

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

//

CBTNPairNotifierBase::~CBTNPairNotifierBase()

    {

    }

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

// CBTNPairNotifierBase default construct

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

//

CBTNPairNotifierBase::CBTNPairNotifierBase()

    :iLocallyInitiated(EFalse)

    {

    }

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

// CBTNPairNotifierBase::RegisterL

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

//

CBTNPairNotifierBase::TNotifierInfo CBTNPairNotifierBase::RegisterL()

    {

    return iInfo;

    }

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

// CBTNPairNotifierBase::GetParamsL

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

//

void CBTNPairNotifierBase::GetParamsL(const TDesC8& aBuffer, TInt aReplySlot, const RMessagePtr2& aMessage)

    {

    (void)aBuffer;

    if( !iMessage.IsNull() )

        {

        User::Leave(KErrInUse);

        }

    else if ( AutoLockOnL() )

        {

        // The phone is locked, access denied.

        //

        CompleteMessage(KErrCancel);

        return;

        }

    iMessage = (RMessage2)aMessage;

    iReplySlot = aReplySlot;

    }

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

// CBTNPairNotifierBase::UpdateL

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

//

void CBTNPairNotifierBase::UpdateL(const TDesC8& aBuffer, TInt aReplySlot, const RMessagePtr2& aMessage)

    {

    (void) aReplySlot;

    UpdateL(aBuffer);

    aMessage.Complete(KErrNone);

    }

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

// CBTNPairNotifierBase::UpdateL

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

//

TPtrC8 CBTNPairNotifierBase::UpdateL( const TDesC8& aBuffer )

    {

    FLOG(_L("[BTNOTIF]\t CBTNPairNotifierBase::UpdateL()"));

    TBTDeviceNameUpdateParamsPckg pckg;

    pckg.Copy( aBuffer );

    if (pckg().Type() != TBTNotifierUpdateParams2::EDeviceName)

        {

        TPtrC8 ret(KNullDesC8);

        return (ret);

        }

    if (pckg().Result() == KErrNone)

        {

        BtNotifNameUtils::SetDeviceNameL(pckg().DeviceName(), *iDevice);

    // Finally show new prompt for dialog if it is still on the screen

    // and user has not given a alias for device.   

        if( !iNotifUiUtil->IsQueryReleased() && !iDevice->IsValidFriendlyName() )

            {

            HBufC* prompt = GenerateQueryPromoptLC();

            iNotifUiUtil->UpdateQueryDlgL( *prompt );

            CleanupStack::PopAndDestroy( prompt );

            }

        }

    FLOG(_L("[BTNOTIF]\t CBTNPairNotifierBase::UpdateL() completed"));

    TPtrC8 ret(KNullDesC8);

    return (ret);

    }

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

// CBTNPairNotifierBase::ProcessParamsGetDeviceL

// Get device from registry based on notifier's param

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

//

void CBTNPairNotifierBase::ProcessParamsGetDeviceL( const TBTDevAddr& aAddr, const TBTDeviceName& aName )

    {

    iDevice = CBTDevice::NewL(aAddr);

    BtNotifNameUtils::SetDeviceNameL(aName, *iDevice);

    // Get all properties of device from registry. 

    GetDeviceFromRegL( aAddr ); 

#ifdef _DEBUG

    FTRACE(FPrint(_L("[BTNOTIF]\t Executing authentication... Parameters:")));

    TBuf<12> deviceAddressString;

    aAddr.GetReadable(deviceAddressString);

    FTRACE(FPrint(_L("[BTNOTIF]\t BT Address: %S"), &deviceAddressString));

#endif

    }

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

// CBTNPairNotifierBase::CheckBlockedDeviceL

// Forbid pairing from remote banned devices

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

//

TBool CBTNPairNotifierBase::CheckBlockedDeviceL()

    {

    if ( !iDevice )

        {

        User::Leave( KErrGeneral );

        }

    // Do not allow pairing attempt from banned devices

    if( iDevice->GlobalSecurity().Banned() && !iLocallyInitiated )

       {

       FLOG(_L("[BTNOTIF]\t CBTNPairNotifierBase::CheckBlockedDeviceL() Pairing attempt from banned device is denied.")); 

       CompleteMessage(KErrCancel);       

       return ETrue;

       }

    return EFalse;

    }

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

// CBTNPairNotifierBase::AuthoriseIncomingPairingL

// Query user to authorise imcoming pair request or not.

// If reject, query whether to block the remot device. 

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

//

TBool CBTNPairNotifierBase::AuthoriseIncomingPairingL()

    {

    FLOG(_L("[BTNOTIF]\t CBTNPairNotifierBase::AuthoriseIncomingPairingL() >>"));

    // Start pairing observer so that user will be informed about the result:

    TInt err = CBTEngConnMan::StartPairingObserver( iBTAddr );

    if ( err )

        {

        // Failed to start observer because of other ongoing pairing,

        // reject this request:

        CompleteMessage( err );

        return EFalse;            

        }

    TBTDeviceName devName;

    BtNotifNameUtils::GetDeviceDisplayName( devName, iDevice );

    HBufC* prompt = StringLoader::LoadLC( R_BT_ACCEPT_PAIRING_REQUEST, devName );   

    TBTDeviceName nameCoverUi( KNullDesC );

    // Show query for use to accept/reject incoming pairing request

    TInt keypress = iNotifUiUtil->ShowQueryL( *prompt, R_BT_GENERIC_QUERY, 

             ECmdBTnotifUnavailable, nameCoverUi, CAknQueryDialog::EConfirmationTone );

    CleanupStack::PopAndDestroy( prompt );

    if( iMessage.IsNull() ) // cancelled by the stack

        {

        return EFalse;

        }

    else if( !keypress ) // User rejected pairing

        {

        FLOG(_L("[BTNOTIF]\t CBTNPairNotifierBase: user rejected incoming pairing"));

        // stop observer to omit pairing failure note.

        CBTEngConnMan::StopPairingObserver( iDevice->BDAddr() );

        iDevice->SetPaired(EFalse);

        CheckAndHandleQueryIntervalL();

        if( !iMessage.IsNull() )

            {

            // Ask user does he/she wishes to block this device (if not canceled because the 

            // frequency is too high).

            QueryBlockDeviceL();

            }

        return EFalse;

        }

    FLOG(_L("[BTNOTIF]\t CBTNPairNotifierBase::AuthoriseIncomingPairingL() << "));

    return ETrue;

    }

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

// CBTNPairNotifierBase::GenerateQueryPromoptLC

// To be implemented in derived classes.

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

//

HBufC* CBTNPairNotifierBase::GenerateQueryPromoptLC()

    {

    return NULL;

    }