/*

* 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:  Class to handle mail led turning on.

*

*/

//<cmail>

#include "emailtrace.h"

#include "cfsmailclient.h"

//</cmail>

#include <aknlists.h>

#include <e32cmn.h>

#include <f32file.h>

#include <bautils.h>

#include <StringLoader.h>

#include <fsmailserver.rsg>

#include "fsmailoutofmemoryhandler.h"

#include "fsnotificationhandlertimer.h"

const TInt32 KReshowNoteDelay = 60000000;  //60 seconds

CFSMailOutOfMemoryHandler* CFSMailOutOfMemoryHandler::NewL(

    MFSNotificationHandlerMgr& aOwner )

    {

    FUNC_LOG;

    CFSMailOutOfMemoryHandler* self =

        new (ELeave) CFSMailOutOfMemoryHandler( aOwner );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

CFSMailOutOfMemoryHandler::CFSMailOutOfMemoryHandler(

    MFSNotificationHandlerMgr& aOwner ) :

    CFSNotificationHandlerBase( aOwner )

    {

    FUNC_LOG;

    }

void CFSMailOutOfMemoryHandler::ConstructL()

    {

    FUNC_LOG;

    CFSNotificationHandlerBase::ConstructL();

    iTimer = CFSNotificationHandlerTimer::NewL( *this );

    // We are now ready to observe mail events

    SetObserving( ETrue );

    }

CFSMailOutOfMemoryHandler::~CFSMailOutOfMemoryHandler()

    {

    FUNC_LOG;

    delete iNotifierInitiator;

    iNotifierInitiator = NULL;

    delete iTimer;

    iTimer = NULL;

    }

void CFSMailOutOfMemoryHandler::NotifierInitiatorDoneL(

        CFSNotificationHandlerNotifierInitiator* aInitiator )

    {

    FUNC_LOG;

    if ( aInitiator != iNotifierInitiator )

        {

        User::Leave( KErrNotFound );

        }

    delete iNotifierInitiator;

    iNotifierInitiator = NULL;

    // User has just seen and accepted the note. Let's wait

    // a proper time before showing the note again.

    SetObserving( EFalse );

    //cancel the current timer

    iTimer->Cancel();

    //start a new timer

    iTimer->After( KReshowNoteDelay );

    }

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

// Method to be called by when the timer expires.

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

//

void CFSMailOutOfMemoryHandler::TimerCallBackL( TInt aError )

    {

    FUNC_LOG;

    if ( aError == KErrNone )

        {

        //enable note showing again

        SetObserving( ETrue );

        }

    }

TBool CFSMailOutOfMemoryHandler::CapabilitiesToContinueL(

    TFSMailEvent /*aEvent*/,

    TFSMailMsgId /*aMailbox*/,

    TAny* /*aParam1*/,

    TAny* /*aParam2*/,

    TAny* /*aParam3*/ ) const

    {

    FUNC_LOG;

    // Out of memory is always shown by instance of this class.

    return ETrue;

    }

void CFSMailOutOfMemoryHandler::HandleEventL(

    TFSMailEvent aEvent,

    TFSMailMsgId aMailbox,

    TAny* aParam1,

    TAny* /*aParam2*/,

    TAny* /*aParam3*/ )

    {

    FUNC_LOG;

    switch ( aEvent )

        {

        case TFSEventMailboxSyncStateChanged:

            {

            TSSMailSyncState& state = *static_cast<TSSMailSyncState*>( aParam1 );

            if ( state == OutOfDiskSpace )

                {

                ShowOutOfMemoryNoteL( aMailbox );

                }

            break;

            }

        default:

            {

            break;

            }

        }

    }

void CFSMailOutOfMemoryHandler::ShowOutOfMemoryNoteL(

        TFSMailMsgId aMailboxId )

    {

    FUNC_LOG;

    if ( !iNotifierInitiator )

        {

        CFSMailBox* mailBox(

            MailClient().GetMailBoxByUidL( aMailboxId ) );

        User::LeaveIfNull( mailBox );

        CleanupStack::PushL( mailBox );

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

        iNotifierInitiator = CFSNotificationHandlerNotifierInitiator::NewL(

                *this, iOwner );

        iNotifierInitiator->RequestMessageQueryL(

                mailboxName,

                EFsEmailNotifErrOutOfMemory );

        CleanupStack::PopAndDestroy( mailBox );

        }

    else

        {

        // iEmailNotifierInitiator exists so we are already showing

        // an error note. Let's not show a new one.      

        }

    }

void CFSMailOutOfMemoryHandler::TurnNotificationOn()

    {

    FUNC_LOG;

    }

void CFSMailOutOfMemoryHandler::TurnNotificationOff()

    {

    FUNC_LOG;

    }