// Copyright (c) 2007-2010 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:

// TraceCore Plugin Interface

// 

//- Include Files  ----------------------------------------------------------

#include "TraceCorePluginIf.h" 

#include "TraceCoreDebug.h"

#include "TraceCoreMediaIfCallback.h"

#include "TraceCoreMediaPlugin.h"

#include "TraceCoreSubscriber.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "TraceCorePluginIfTraces.h"

#endif

/**

 * Constructor

 */

DTraceCorePluginIf::DTraceCorePluginIf()

: DTraceCoreMediaIf( KMediaIfSendSupported | KMediaIfPluginSupported )

, iMediaPlugin( NULL )

    {

    }

/**

 * Destructor

 */

DTraceCorePluginIf::~DTraceCorePluginIf()

    {

    iMediaPlugin = NULL;

    }

/**

 * Initializes the plugin IF

 *

 * @param aCallBack Callback to TraceCore

 */

TInt DTraceCorePluginIf::Init( MTraceCoreMediaIfCallback& aCallback )

    {

    iCallback = &aCallback;

    return KErrNone;

    }

/**

 * Sends messages to plug-in

 * 

 * @param aMsg Message to be sent.

 * @return KErrNone if send successful

 */

TInt DTraceCorePluginIf::Send( TTraceMessage& aMsg )

    {

    OstTraceExt1( TRACE_FLOW, DTRACECOREPLUGINIF_SEND_ENTRY, "> DTraceCorePluginIf::Send. MsgId:0x%hhx", aMsg.iMessageId );

    TInt retval = KErrNotSupported;

    if ( iMediaPlugin != NULL )

        {

        retval = iMediaPlugin->SendMessage( aMsg );

        }

    OstTrace1( TRACE_FLOW, DTRACECOREPLUGINIF_SEND_EXIT, "< DTraceCorePluginIf::Send %d", retval );

    return retval;

    }

/**

 * Message was received by plug-in

 * 

 * @param aMsg The message that was received

 */

void DTraceCorePluginIf::MessageReceived( TTraceMessage &aMsg )

    {

    OstTraceExt1( TRACE_FLOW, DTRACECOREPLUGINIF_MESSAGERECEIVED_ENTRY, "> DTraceCorePluginIf::MessageReceived. MsgId:0x%hhx", aMsg.iMessageId );

    if ( iCallback != NULL )

        {

        iCallback->SetSenderMedia( this ); // Added for SPLIT

        iCallback->MessageReceived( aMsg );

        }

    }

/**

 * Registers a media Plug-In

 */

TInt DTraceCorePluginIf::RegisterPlugin( DTraceCoreMediaPlugin& aPlugin )

    {

    OstTrace1( TRACE_FLOW, DTRACECOREPLUGINIF_REGISTERPLUGIN_ENTRY, "> DTraceCorePluginIf::RegisterPlugin 0x%x", ( TUint )&( aPlugin ) );

    TInt retval = KErrNone;

    // Register given media Plug-In

    if ( iMediaPlugin == NULL )

        {

        iMediaPlugin = &aPlugin;

        retval = KErrNone;

        }

    // Plug-In was already registered

    else

        {

        retval = KErrNotSupported;

        }

    OstTrace1( TRACE_FLOW, DTRACECOREPLUGINIF_REGISTERPLUGIN_EXIT, "< DTraceCorePluginIf::RegisterPlugin %d", retval );

    return retval;

    }

/**

 * Unregisters a media Plug-In

 */

void DTraceCorePluginIf::UnregisterPlugin( DTraceCoreMediaPlugin& aPlugin )

    {

    OstTrace1( TRACE_FLOW, DTRACECOREPLUGINIF_UNREGISTERPLUGIN_ENTRY, "> DTraceCorePluginIf::UnregisterPlugin 0x%x", ( TUint )&( aPlugin ) );

    // Unregister given media Plug-In

    if ( iMediaPlugin == &aPlugin )

        {

        OstTrace1( TRACE_NORMAL, DTRACECOREPLUGINIF_UNREGISTERPLUGIN_UNREGISTERED, "DTraceCorePluginIf::UnregisterPlugin - Plugin unregistered 0x%x", ( TUint )&( aPlugin ) );

        iMediaPlugin = NULL;

        }

    }

// End of File