/*

* Copyright (c) 2006-2006 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 is the MAlarmObserver I/F implementation instantiated and used directly by EIkAlert.

*

*/

// INCLUDES

#include "pim_trace.h"

#include "AlarmWrapper.h"

#include <asshdalarm.h>

#include <uikon/eikalsup.h>

#include <AknSgcc.h>

#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

#include <uiklaf/private/pluginuid.hrh>

#endif

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

// DLL entry point

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

EXPORT_C MAlarmObserver* NewAlarm()

    {

    TRACE_ENTRY_POINT;

    CAknAlarmWrapper* alarmWrapper = new CAknAlarmWrapper;

    TRACE_EXIT_POINT;

    return alarmWrapper;

    }

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

// RAknAlarmClient

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

// Client for AknCapServer

RAknAlarmClient::RAknAlarmClient(CAknDataFetcher** aFetcher)

: iFetcher( aFetcher )

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

// In fact we don't need this, next method with dummy parameter is enough

TInt RAknAlarmClient::SendSynch(TInt aOpcode)

    {

    TRACE_ENTRY_POINT;

    TInt ret = CheckConnection();

    if (ret == KErrNone)

        {

        (*iFetcher)->Start(); // does nothing if already active

        ret = SendReceive( aOpcode );

        }

    TRACE_EXIT_POINT;

    return ret;

    }

// ?description

TInt RAknAlarmClient::SendSynch(TInt aOpcode, TInt& aParam)

    {

    TRACE_ENTRY_POINT;

    TInt ret = CheckConnection();

    if( ret == KErrNone )

        {

        (*iFetcher)->Start(); // does nothing if already active

        TPckg<TInt> pckg( aParam );

        ret = SendReceive( aOpcode, TIpcArgs( &pckg ) );

        }

    TRACE_EXIT_POINT;

    return ret;

    }

// Used currently only by cmd fetcher

void RAknAlarmClient::SendAsync(TInt aOpcode, TRequestStatus& aStatus, TIpcArgs& aArgs)

    {

    TRACE_ENTRY_POINT;

    // we currently assume that only this client will initiate asynch messages, and 

    // does it only when connection exists -> we don't check our connection before trying to send data

    SendReceive( aOpcode, aArgs, aStatus );

    TRACE_EXIT_POINT;

    }

// ?description

TInt RAknAlarmClient::SetAlarm(const TASShdAlarm& aAlarm, const TFullName& aOwner, const TDesC8& aAlarmData)

    {

    TRACE_ENTRY_POINT;

    TInt ret = CheckConnection();

    if( ret == KErrNone )

        {

        (*iFetcher)->Start(); // does nothing if already active

        TPckgC<TASShdAlarm> pAlarm( aAlarm );

        TIpcArgs args( &pAlarm, &aOwner, &aAlarmData );

        ret = SendReceive( EASAltOpCodeSetAlarm, args );

        }

    TRACE_EXIT_POINT;

    return ret;

    }

// connect on demand, returns KErrNotReady if akncapserver is not available yet

TInt RAknAlarmClient::CheckConnection()

    {

    TRACE_ENTRY_POINT;

    if( !Handle() )

        {

        RAknUiServer& client = *(CAknSgcClient::AknSrv());

        TInt err = KErrNotReady;

        if( client.Handle() != 0 ) // akncapserver running

            {

            _LIT( KServerNameFormat, "%08x_%08x_AppServer" );

            TFullName serverName;

            serverName.Format( KServerNameFormat, KUikonUidPluginInterfaceNotifiers, KAknCapServerUid.iUid );

            TRAP( err, ConnectExistingByNameL( serverName ); )

            }

        TRACE_EXIT_POINT;

        return err;

        }

    TRACE_EXIT_POINT;

    return KErrNone;

    }

// Just to prevent direct calling Connect, private

TInt RAknAlarmClient::Connect()

    {

    TRACE_ENTRY_POINT;

    TInt retVal = RAknUiServer::Connect();

    TRACE_EXIT_POINT;

    return retVal;

    }

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

// CAknDataFetcher

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

// Active object used as callback channel from akncapserver (Stop, Snooze), 

// basically always active after connection to akncapserver has been formed

CAknDataFetcher::CAknDataFetcher( TInt aPriority, 

                                  CEikAlmControlSupervisor* aSupervisor, 

                                  RAknAlarmClient& aClient )

: CActive( aPriority ), 

  iSupervisor( aSupervisor ),

  iClient( aClient ),

  iPckg( 0 ),

  iArgs( &iPckg )

    {

    TRACE_ENTRY_POINT;

    CActiveScheduler::Add( this );

    TRACE_EXIT_POINT;

    }

// ?description

void CAknDataFetcher::Start()

    {

    TRACE_ENTRY_POINT;

    if( !IsActive() )

        {

        SetActive();

        iClient.SendAsync( EASAltOpCodeNotify, iStatus, iArgs );

        }

    TRACE_EXIT_POINT;

    }

// Handle ie. deliver commands to real alarm supervisor (ie. Alarm Session)

void CAknDataFetcher::RunL()

    {

    TRACE_ENTRY_POINT;

    __ASSERT_DEBUG( iSupervisor != 0, User::Invariant() );

    switch( iStatus.Int() )

        {

        case ECmdAcknowledgedAlarm:

            iSupervisor->CmdAcknowledgeAlarm();

            break;

        case ECmdTaskAwayFromAlarm:

            {

            PIM_TRAPD_ASSERT( iSupervisor->CmdTaskAwayFromAlarmL(); )

            }

            break;

        case ECmdTaskAwayFromAlarmWTime:

            {

            PIM_TRAPD_ASSERT( iSupervisor->CmdTaskAwayFromAlarmL( iPckg() ); )

            }

            break;

        default:

            // just omit error, dont set us active until next real message is being sent

            TRACE_EXIT_POINT;

            return;

        }

    Start(); // restart

    TRACE_EXIT_POINT;

    }

// ?description

void CAknDataFetcher::DoCancel()

    {

    TRACE_ENTRY_POINT;

    // we cannot be active unless connetion is valid

    iClient.SendSynch( EASAltOpCodeNotifyCancel );

    TRACE_EXIT_POINT;

    }

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

// CAknAlarmWrapper

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

// ?description

CAknAlarmWrapper::CAknAlarmWrapper()

: iClient( &iActive )

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

// Main class, owns client and command fetcher, implements entrypoint and methods of MAlarmObserver

void CAknAlarmWrapper::ConstructL( CEikAlmControlSupervisor* aSupervisor,

                                   CEikServAppUiBase* aAppUi )

    {

    TRACE_ENTRY_POINT;

    iAppUi = aAppUi;

    iActive = new( ELeave )CAknDataFetcher( CActive::EPriorityHigh, aSupervisor, iClient );

    TRACE_EXIT_POINT;

    }

// ?description

CAknAlarmWrapper::~CAknAlarmWrapper()

    {

    TRACE_ENTRY_POINT;

    delete iActive;

    iClient.Close(); // if iActive was active, it could need the connection for cancellation

    TRACE_EXIT_POINT;

    }

// ?description

void CAknAlarmWrapper::Release()

    {

    TRACE_ENTRY_POINT;

    delete this;

    TRACE_EXIT_POINT;

    }

// ?description

void CAknAlarmWrapper::ShowAlarm()

    {

    TRACE_ENTRY_POINT;

    // ignore possible error

    TInt dummy = ETrue;

    iClient.SendSynch( EASAltOpCodeVisible, dummy );

    TRACE_EXIT_POINT;

    }

// ?description

void CAknAlarmWrapper::HideAlarm()

    {

    TRACE_ENTRY_POINT;

    // ignore possible error

    TInt dummy = EFalse;

    iClient.SendSynch( EASAltOpCodeVisible, dummy );

    TRACE_EXIT_POINT;

    }

// ?description

TInt CAknAlarmWrapper::CurrentServerState() const

    {

    TRACE_ENTRY_POINT;

    RAknAlarmClient& client =  MUTABLE_CAST( RAknAlarmClient&, iClient );

    TInt ret( 0 ), err( 0 );

    err = client.SendSynch( EAknSAltOpCodeAskServerState, ret );

    if( err == KErrNotReady ) // special case

        {

        TRACE_EXIT_POINT;

        return 0; // as alarm control is CBase derived, state will be null until updated otherwise

        }

    TRACE_EXIT_POINT;

    return ( err != KErrNone ? err : ret );

    }

// ?description

void CAknAlarmWrapper::UpdateSoundPauseTimeInterval(TInt /*aMinutes*/)

    {

    TRACE_ENTRY_POINT;

    // empty

    TRACE_EXIT_POINT;

    }

// ?description

void CAknAlarmWrapper::UpdateForAlarmServerState(TInt aNewAlarmServerState)

    {

    TRACE_ENTRY_POINT;

    // ignore possible error

    iClient.SendSynch( EASAltOpCodeSetState, aNewAlarmServerState );

    TRACE_EXIT_POINT;

    }

// ?description

void CAknAlarmWrapper::UpdateAlarmInfo(const TASShdAlarm& aAlarm,const TFullName& aOwner)

    {

    TRACE_ENTRY_POINT;

    TInt err = iClient.SetAlarm( aAlarm, aOwner, KNullDesC8 );

    if( err == KErrNotReady )

        {

        TRAP( err, iActive->iSupervisor->CmdTaskAwayFromAlarmL( 1 ); ) // snooze to one minute

        }

    ASSERT( !err );

    TRACE_EXIT_POINT;

    }

// ?description

void CAknAlarmWrapper::StartPlayAlarmL(const TDesC& /*aAlarmName*/)

    {

    TRACE_ENTRY_POINT;

    // empty

    TRACE_EXIT_POINT;

    }

// ?description

void CAknAlarmWrapper::StopPlayAlarm()

    {

    TRACE_ENTRY_POINT;

    // empty

    TRACE_EXIT_POINT;

    }

// End of File