/*

* 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: 

*

*/

#ifndef XAMETADATATRAVERSALITF_H

#define XAMETADATATRAVERSALITF_H

#include "openmaxalwrapper.h"

#include "xaglobals.h"

#ifdef _GSTREAMER_BACKEND_  

#include "XAAdaptationContextBase.h"

#endif

/** MACROS **/

/** TYPES **/

/** ENUMERATIONS **/

/** STRUCTURES **/

/* Definition of XAMetadataTraversalItf implementation */

typedef struct XAMetadataTraversalImpl_

{

    /* parent interface */

    struct XAMetadataTraversalItf_ itf;

    /* pointer to self */

    struct XAMetadataTraversalImpl_* self;

    /* pointer to metadata variables */

    XAuint32 traversemode;

    XAuint32 index;

    XAuint32 nodedepth;

#ifdef _GSTREAMER_BACKEND_  

    XAAdaptationBaseCtx *adaptCtx;

#endif

} XAMetadataTraversalImpl;

/** METHODS **/

/* Base interface XAMetadataTraversalItf implementation */

XAresult XAMetadataTraversalItfImpl_SetMode(XAMetadataTraversalItf self,

                                          XAuint32 mode);

XAresult XAMetadataTraversalItfImpl_GetChildCount(XAMetadataTraversalItf self,

                                                XAuint32 *pCount);

XAresult XAMetadataTraversalItfImpl_GetChildMIMETypeSize(XAMetadataTraversalItf self,

                                                       XAuint32 index,

                                                       XAuint32 *pSize);

XAresult XAMetadataTraversalItfImpl_GetChildInfo(XAMetadataTraversalItf self,

                                               XAuint32 index,

                                               XAint32 *pNodeID,

                                               XAuint32 *pType,

                                               XAuint32 size,

                                               XAchar *pMimeType);

XAresult XAMetadataTraversalItfImpl_SetActiveNode(XAMetadataTraversalItf self,

                                                XAuint32 index);

#ifdef _GSTREAMER_BACKEND_  

/* XAMetadataExtractionItfImpl -specific methods */

XAMetadataTraversalImpl* XAMetadataTraversalItfImpl_Create(XAAdaptationBaseCtx *adapCtx);

#endif

void XAMetadataTraversalItfImpl_Free(XAMetadataTraversalImpl* self);

#endif /* XAMETADATATRAVERSALITF_H */