/*

* 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:  Fmtx watcher plugin implementation.

*

*/

#include <hwrmfmtxcommands.h>

#include <ecom/implementationproxy.h>

#include "hwrmfmtxwatcherplugin.h"

#include "hwrmfmtxaccobserver.h"

#include "hwrmfmtxusbobserver.h"

#include "hwrmfmtxplugintimer.h"

#ifdef INSECURE_AUDIO_POLICY_KEYS

#include "hwrmfmtxtestobserver.h"

#endif // INSECURE_AUDIO_POLICY_KEYS

#include "trace.h"

// Map the interface implementation UIDs to implementation factory functions

const TImplementationProxy ImplementationTable[] =

    {

    IMPLEMENTATION_PROXY_ENTRY(0x20012402, CHWRMFmtxWatcherPlugin::NewL)

    };

// ======== OTHER EXPORTED FUNCTIONS ========

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

// Exported proxy for instantiation method resolution.

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

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt& aTableCount )

    {

    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

    return ImplementationTable;

    }

// ======== MEMBER FUNCTIONS ========

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

// CHWRMFmtxWatcherPlugin::NewL

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

//

CHWRMFmtxWatcherPlugin* CHWRMFmtxWatcherPlugin::NewL()

    {

    FUNC_LOG;

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CHWRMFmtxWatcherPlugin::NewL

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

//

CHWRMFmtxWatcherPlugin::~CHWRMFmtxWatcherPlugin()

    {

    FUNC_LOG;

    iObservers.ResetAndDestroy();

    iTimers.ResetAndDestroy();

    }

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

// CHWRMFmtxWatcherPlugin::CHWRMFmtxWatcherPlugin

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

//

CHWRMFmtxWatcherPlugin::CHWRMFmtxWatcherPlugin()

    {

    FUNC_LOG;

    }

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

// CHWRMFmtxWatcherPlugin::ConstructL

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

//

void CHWRMFmtxWatcherPlugin::ConstructL()

    {

    FUNC_LOG;

    iConnected.Set( EFmtxWatcherObserverAccessory ); // assume connected

    MHWRMFmtxConnObserver* observer = CHWRMFmtxAccObserver::NewL( *this );

    CleanupStack::PushL( observer );

    iObservers.AppendL( observer );

    CleanupStack::Pop( observer );

#ifndef __WINS__ // RUsbMan not created because it does not behave well in emulator

    iConnected.Set( EFmtxWatcherObserverUsb ); // assume connected

    observer = CHWRMFmtxUsbObserver::NewL( *this );

    CleanupStack::PushL( observer );

    iObservers.AppendL( observer );

    CleanupStack::Pop( observer );

#else // __WINS__

    iObservers.AppendL( NULL );

#endif // __WINS__

// Test observer should be always the last

#ifdef INSECURE_AUDIO_POLICY_KEYS

    observer = CHWRMFmtxTestObserver::NewL( *this );

    CleanupStack::PushL( observer );

    iObservers.AppendL( observer );

    CleanupStack::Pop( observer );

#endif // INSECURE_AUDIO_POLICY_KEYS

    }

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

// CHWRMFmtxWatcherPlugin::ProcessCommandL

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

//

void CHWRMFmtxWatcherPlugin::ProcessCommandL( const TInt aCommandId,

                                              const TUint8 aTransId,

                                              TDesC8& /*aData*/ )

    {

    FUNC_LOG;

    INFO_LOG2( "CHWRMFmtxWatcherPlugin::ProcessCommandL, (0x%x, 0x%x)", 

        aCommandId, aTransId );

    TInt retVal( KErrNone );

    switch (aCommandId)

        {

        case HWRMFmTxCommand::EConnStatusCmdId:

            TRAP( retVal, GetStatusL() );

            break;

        case HWRMFmTxCommand::EStartObservingCmdId:

            TRAP( retVal, StartObservingL() );

            break;

        case HWRMFmTxCommand::EStopObservingCmdId:

            StopObserving();

            break;

        default :

            User::Leave( KErrNotSupported );

            break;

        }

    // Create new timer for response.

    CHWRMFmtxPluginTimer* timer = CHWRMFmtxPluginTimer::NewL( aCommandId, aTransId, retVal, *this );

    CleanupStack::PushL( timer );

    iTimers.AppendL( timer );

    CleanupStack::Pop( timer );

    INFO_LOG1( "CHWRMFmtxWatcherPlugin::ProcessCommandL, timers now %d", 

        iTimers.Count() );

    }

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

// CHWRMFmtxWatcherPlugin::CancelCommandL

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

//

void CHWRMFmtxWatcherPlugin::CancelCommandL(const TUint8 aTransId,

#if defined(FMTX_WATCHER_INFO_LOG_ENABLED)

                                            const TInt aCommandId)

#else

                                            const TInt /*aCommandId*/)

#endif

    {

    FUNC_LOG;

    INFO_LOG2( "CHWRMFmtxWatcherPlugin::CancelCommandL, (0x%x, 0x%x)", 

        aCommandId, aTransId );

    TInt count = iTimers.Count();

    for( TInt i = 0; i < count; i++ )

        {

        if ( iTimers[i]->TransId() == aTransId )

            {

            delete iTimers[i];

            iTimers.Remove(i);

            INFO_LOG1( "CHWRMFmtxWatcherPlugin::CancelCommandL, removed timer %d", i );

            break;

            }

        }

    }

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

// CHWRMFmtxWatcherPlugin::GenericTimerFired

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

//

void CHWRMFmtxWatcherPlugin::GenericTimerFired(TInt aCommandId, const TUint8 aTransId, 

                                               TInt aRetVal)

    {

    FUNC_LOG;

    INFO_LOG3( "CHWRMFmtxWatcherPlugin: GenericTimerFired, (0x%x, 0x%x, %d)", 

        aCommandId, aTransId, aRetVal );

	TInt err = KErrNone;

    switch( aCommandId )

        {

        case HWRMFmTxCommand::EConnStatusCmdId:

        case HWRMFmTxCommand::EStartObservingCmdId:

            {

            HWRMFmTxCommand::TConnStatusData data;

            data.iErrorCode = aRetVal;

            data.iConnected = iConnected.Value() ? ETrue : EFalse;

            HWRMFmTxCommand::TConnStatusPackage pckg( data );

            TRAP(err, iResponseCallback->ProcessResponseL( aCommandId, aTransId, pckg ));

            break;

            }

        case HWRMFmTxCommand::EStopObservingCmdId:

            {

            HWRMFmTxCommand::TErrorCodeResponsePackage pckg( aRetVal );

            TRAP(err, iResponseCallback->ProcessResponseL( aCommandId, aTransId, pckg ));

            break;

            }

        default :

            {

            HWRMFmTxCommand::TErrorCodeResponsePackage pckg( KErrNotSupported );

            TRAP(err, iResponseCallback->ProcessResponseL( aCommandId, aTransId, pckg ));

            break;

            }

        }

    LOG_IF_ERROR1( err, "CHWRMFmtxWatcherPlugin::GenericTimerFired, err %d", err );

    // delete obsolete (if any) timers

    for( TInt i = (iTimers.Count()-1); i >= 0 ; i-- )

        {

        if ( !iTimers[i]->IsActive() )

            {

            delete iTimers[i];

            iTimers.Remove(i);

            }

        }

    }

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

// CHWRMFmtxWatcherPlugin::GetStatusL

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

//

TBool CHWRMFmtxWatcherPlugin::GetStatusL()

    {

    FUNC_LOG;

    TInt count = iObservers.Count();

    for( TInt i = 0; i < count; i++ )

        {

        MHWRMFmtxConnObserver* observer = iObservers[i];

        if ( observer )

            {

            iConnected.Assign( i, observer->GetStatusL() );

            }

        }

    return iConnected.Value();

    }

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

// CHWRMFmtxWatcherPlugin::StartObservingL

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

//

void CHWRMFmtxWatcherPlugin::StartObservingL()

    {

    FUNC_LOG;

    TInt count = iObservers.Count();

    for( TInt i = 0; i < count; i++ )

        {

        MHWRMFmtxConnObserver* observer = iObservers[i];

        if ( observer )

            {

            observer->StartObservingL();

            }

        }

    GetStatusL();

    }

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

// CHWRMFmtxWatcherPlugin::StopObserving

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

//

void CHWRMFmtxWatcherPlugin::StopObserving()

    {

    FUNC_LOG;

    TInt count = iObservers.Count();

    for( TInt i = 0; i < count; i++ )

        {

        MHWRMFmtxConnObserver* observer = iObservers[i];

        if ( observer )

            {

            observer->StopObserving();

            }

        }

    }

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

// CHWRMFmtxWatcherPlugin::HandleConnectionChange

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

//

void CHWRMFmtxWatcherPlugin::HandleConnectionChange( TFmtxWatcherObserverTypes aType,

                                                     TBool aConnected )

    {

    FUNC_LOG;

    iConnected.Assign( aType, aConnected );

    HWRMFmTxCommand::TConnStatusData data;

    data.iErrorCode = KErrNone;

    data.iConnected = iConnected.Value() ? ETrue : EFalse;

    HWRMFmTxCommand::TConnStatusPackage pckg( data );

    TRAPD( err, iResponseCallback->EventL( HWRMFmTxCommand::ETxWatcherConnIndId, pckg ) );

    LOG_IF_ERROR1( err, "CHWRMFmtxWatcherPlugin::HandleConnectionChange: err=%d", err );

    }