/*

* Copyright (c) 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: This file implements class CFSMailMessageQueryHandler.

*

*/

//<cmail>

#include "emailtrace.h"

#include "cfsmailclient.h"

//</cmail>

#include "fsmailmessagequeryhandler.h"

CFSMailMessageQueryHandler* CFSMailMessageQueryHandler::NewL(

    MFSNotificationHandlerMgr& aOwner )

    {

    FUNC_LOG;

    CFSMailMessageQueryHandler* self =

        new (ELeave) CFSMailMessageQueryHandler( aOwner );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

CFSMailMessageQueryHandler::CFSMailMessageQueryHandler(

    MFSNotificationHandlerMgr& aOwner ) :

    CFSNotificationHandlerBase( aOwner )

    {

    FUNC_LOG;

    }

void CFSMailMessageQueryHandler::ConstructL()

    {

    FUNC_LOG;

    CFSNotificationHandlerBase::ConstructL();

    // We are now ready to observe mail events

    SetObserving( ETrue );

    }

CFSMailMessageQueryHandler::~CFSMailMessageQueryHandler()

    {

    FUNC_LOG;

    iNotifierInitiators.ResetAndDestroy();

    }

void CFSMailMessageQueryHandler::NotifierInitiatorDoneL(

    CFSNotificationHandlerNotifierInitiator* aInitiator )

    {

    FUNC_LOG;

    TInt initiatorIndexer( FindInitiator( aInitiator ) );

    if ( initiatorIndexer == KErrNotFound )

        {

        User::Leave( KErrNotFound );

        }

    iNotifierInitiators.Remove( initiatorIndexer );

    CleanupStack::PushL( aInitiator );

    MFSMailExceptionEventCallback* callback = aInitiator->Callback();

    if( callback )

        {

        TFSMailMsgId mailboxId = aInitiator->MailBoxId();

        TFsEmailNotifierSystemMessageType msgType = aInitiator->MessageType();

        TBool response = aInitiator->GetLastResponse();

        callback->ExceptionEventCallbackL( mailboxId, msgType, response );

        }

    CleanupStack::PopAndDestroy( aInitiator );

    }

TBool CFSMailMessageQueryHandler::CapabilitiesToContinueL(

    TFSMailEvent /*aEvent*/,

    TFSMailMsgId /*aMailbox*/,

    TAny* /*aParam1*/,

    TAny* /*aParam2*/,

    TAny* /*aParam3*/ ) const

    {

    FUNC_LOG;

    // Authentication query is always shown by instance of this class

    // if necessary.

    return ETrue;

    }

/*

static const TInt KTestCountMin( 0 );

static const TInt KTestCountMax( 3 );

_LIT( KTestText, "Very fancy test text." );

*/

void CFSMailMessageQueryHandler::HandleEventL(

    TFSMailEvent aEvent,

    TFSMailMsgId aMailbox,

    TAny* aParam1,

    TAny* aParam2,

    TAny* aParam3 )

    {

    FUNC_LOG;

    switch ( aEvent )

        {

        case TFSEventException:

            {

            TFsEmailNotifierSystemMessageType& msgType = *static_cast<TFsEmailNotifierSystemMessageType*>( aParam1 );

            TDesC& msgText = *static_cast<TDesC*>( aParam2 );

            MFSMailExceptionEventCallback* callback = static_cast<MFSMailExceptionEventCallback*>( aParam3 );

            ShowMessageQueryL( aMailbox, msgType, msgText, callback );

            break;

            }

        /*

        case TFSEventMailboxOnline:

            {

            // ONLY FOR TESTING

            static TInt testCounter( KTestCountMin );

            testCounter++;

            if( testCounter > KTestCountMax )

                {

                testCounter = KTestCountMin;

                }

            TFsEmailNotifierSystemMessageType msgType = static_cast<TFsEmailNotifierSystemMessageType>( testCounter );

            ShowMessageQueryL( aMailbox, msgType, KTestText(), NULL );

            break;

            }

            */

        default:

            {

            break;

            }

        }

    }

void CFSMailMessageQueryHandler::ShowMessageQueryL(

        TFSMailMsgId aMailbox,

        TFsEmailNotifierSystemMessageType aMessageType,

        const TDesC& aCustomMessageText,

        MFSMailExceptionEventCallback* aCallback )

    {

    FUNC_LOG;

    TInt index( FindInitiator( aMailbox, aMessageType ) );

    // Only one message query is permitted for one mailbox-message type

    // combination. So one mailbox can have several message query dialogs

    // open, if they are not of the same type. On the other hand, two

    // or more mailboxes can show the same message.

    if ( index == KErrNotFound )

        {

        CFSMailBox* mailBox(

            MailClient().GetMailBoxByUidL( aMailbox ) );

        User::LeaveIfNull( mailBox );

        CleanupStack::PushL( mailBox );

        TDesC& mailboxName( mailBox->GetName() );

        CFSNotificationHandlerNotifierInitiator* newNotifierInitiator =

            CFSNotificationHandlerNotifierInitiator::NewL( *this, iOwner );

        CleanupStack::PushL( newNotifierInitiator );

        newNotifierInitiator->SetMailBoxId( aMailbox );

        newNotifierInitiator->SetMessageType( aMessageType );

        newNotifierInitiator->SetCallback( aCallback );

        newNotifierInitiator->RequestMessageQueryL(

                mailboxName,

                aMessageType,

                aCustomMessageText );

        iNotifierInitiators.AppendL( newNotifierInitiator );

        CleanupStack::Pop( newNotifierInitiator );

        CleanupStack::PopAndDestroy( mailBox );

        }

    else

        {

        // notifierInitiator exists so we are already showing

        // this message query for this mailbox. Let's not

        // show/queue a new one.      

        }

    }

TInt CFSMailMessageQueryHandler::FindInitiator(

    CFSNotificationHandlerNotifierInitiator* aInitiator ) const

    {

    FUNC_LOG;

    return iNotifierInitiators.Find( aInitiator );

    }

TInt CFSMailMessageQueryHandler::FindInitiator(

    TFSMailMsgId aMailBoxId,

    TFsEmailNotifierSystemMessageType aMessageType ) const

    {

    FUNC_LOG;

    TInt initiatorCount( iNotifierInitiators.Count() );

    TInt initiatorIndexer( 0 );

    while ( initiatorIndexer < initiatorCount )

        {

        if( iNotifierInitiators[initiatorIndexer]->MailBoxId() == aMailBoxId &&

            iNotifierInitiators[initiatorIndexer]->MessageType() == aMessageType )

            {

            return initiatorIndexer;

            }

        ++initiatorIndexer;

        }

    return KErrNotFound;

    }

void CFSMailMessageQueryHandler::TurnNotificationOn()

    {

    FUNC_LOG;

    }

void CFSMailMessageQueryHandler::TurnNotificationOff()

    {

    FUNC_LOG;

    }