/*

* Copyright (c) 2009 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: 

*

*/

#include <assert.h>

#include <string.h>

#include "xaadaptationcontextbasemmf.h"

#include "xaadaptationmmf.h"

#include "xaobjectitf.h"

#include "xamediaplayeradaptctxmmf.h"

/*

 * XAAdaptationBaseCtx* XAAdaptationBase_Create()

 * 1st phase initialization function for Adaptation Base context structure.

 * Reserves memory for base context and initializes GStreamer FW.

 */

XAresult XAAdaptationBaseMMF_Init( XAAdaptationBaseMMFCtx* pSelf, XAuint32 ctxId )

{

    DEBUG_API("->XAAdaptationBase_Init");

    if ( pSelf )

    {

    pSelf->evtHdlrs = g_array_new (FALSE, FALSE, sizeof (XAAdaptEvtHdlrMMF));

    pSelf->ctxId = ctxId;

    }

    else

    {

        DEBUG_ERR("Invalid Adaptation Base Context.")

        return XA_RESULT_PARAMETER_INVALID;

    }

    DEBUG_API("<-XAAdaptationBase_Init");

    return XA_RESULT_SUCCESS;

}

/*

 * XAresult XAAdaptationBase_PostInit()

 * 2nd phase initialization for Adaptation Base.

 */

XAresult XAAdaptationBaseMMF_PostInit( XAAdaptationBaseMMFCtx* ctx )

{

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XAAdaptationBase_PostInit");

    DEBUG_API("<-XAAdaptationBase_PostInit");

    return ret;

}

/*

 * void XAAdaptationBase_Free( XAAdaptationBaseCtx* ctx )

 * Frees all Base context variables .

 */

void XAAdaptationBaseMMF_Free( XAAdaptationBaseMMFCtx* ctx )

{

    g_array_free(ctx->evtHdlrs, TRUE);

    DEBUG_API("<-XAAdaptationBase_Free");

}

/*

 * XAresult XAAdaptationBase_AddEventHandler

 * Adds event handler for certain event types.

 */

XAresult XAAdaptationBaseMMF_AddEventHandler( XAAdaptationBaseMMFCtx* ctx, xaAdaptEventHandlerMMF evtHandler,

                                    XAuint32 evtTypes, void *pHandlerCtx )

{

    XAuint32 i;

    XAAdaptEvtHdlrMMF tmp;

    DEBUG_API("->XAAdaptationBase_AddEventHandler");

    if(!ctx)

    {

        DEBUG_ERR("no context");

        return XA_RESULT_PARAMETER_INVALID;

    }

    for(i=0; i<ctx->evtHdlrs->len; i++)

    {

        if( (g_array_index(ctx->evtHdlrs, XAAdaptEvtHdlrMMF, i)).handlerfunc == evtHandler )

        {

            return XA_RESULT_PARAMETER_INVALID;

        }

    }

    tmp.handlerfunc = evtHandler;

    tmp.handlercontext = pHandlerCtx;

    tmp.eventtypes = evtTypes;

    g_array_append_val(ctx->evtHdlrs, tmp);

    DEBUG_API("<-XAAdaptationBase_AddEventHandler");

    return XA_RESULT_SUCCESS;

}

/*

 * XAresult XAAdaptationBase_RemoveEventHandler

 * Removes event handler for certain event types.

 */

XAresult XAAdaptationBaseMMF_RemoveEventHandler( XAAdaptationBaseMMFCtx* ctx, xaAdaptEventHandlerMMF evtHandler)

{

    XAuint32 i;

    DEBUG_API("->XAAdaptationBase_RemoveEventHandler");

    if(!ctx)

    {

        DEBUG_ERR("no context");

        return XA_RESULT_PARAMETER_INVALID;

    }

    for(i=0; i<ctx->evtHdlrs->len; i++)

    {

        if( (g_array_index(ctx->evtHdlrs, XAAdaptEvtHdlrMMF, i)).handlerfunc == evtHandler )

        {

            g_array_remove_index(ctx->evtHdlrs, i);

            return XA_RESULT_SUCCESS;

        }

    }

    DEBUG_API("<-XAAdaptationBase_RemoveEventHandler");

    /*did not find, return error*/

    return XA_RESULT_PARAMETER_INVALID;

}

void XAAdaptationBaseMMF_SendAdaptEvents(XAAdaptationBaseMMFCtx* ctx, XAAdaptEventMMF* event)

{

    XAuint32 i;

    XAAdaptEvtHdlrMMF* tmp;

    for(i=0; i<ctx->evtHdlrs->len; i++)

    {

        tmp = &g_array_index(ctx->evtHdlrs, XAAdaptEvtHdlrMMF, i);

        if( tmp->eventtypes & event->eventtype )

        {

            (tmp->handlerfunc)(tmp->handlercontext, event);

        }

    }

}