/*

* Copyright (c) 2000 - 2001 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 "nw_object_dynamici.h"

#include "nw_object_secondaryi.h"

#include "nw_object_factory.h"

#include "BrsrStatusCodes.h"

/* ------------------------------------------------------------------------- */

TBrowserStatusCode

NW_Object_Initialize (const NW_Object_Class_t* objClass,

                      NW_Object_t* object, ...)

{

  NW_TRY (status) {

    va_list argList;

    va_start (argList, object);

    status =

      NW_Object_Factory_InitializeObject (&NW_Object_Factory, objClass,

                                          object, &argList);

    va_end (argList);

    NW_THROW_ON_ERROR (status);

  } NW_CATCH (status) {

  } NW_FINALLY {

    return status;

  } NW_END_TRY

}

/* ------------------------------------------------------------------------- */

void

NW_Object_Terminate (NW_Object_t* object)

{

  (void) NW_Object_Factory_TerminateObject (&NW_Object_Factory, object);

}

/* ------------------------------------------------------------------------- */

NW_Object_t*

NW_Object_New (const NW_Object_Class_t* objClass, ...)

{

  TBrowserStatusCode status;

  NW_Object_t* object;

  va_list argList;

  va_start (argList, objClass);

  status = NW_Object_Factory_NewObject (&NW_Object_Factory, objClass, &argList,

                                        &object);

  va_end (argList);

  if (status != KBrsrSuccess) {

    return NULL;

  }

  return object;

}

/* ------------------------------------------------------------------------- */

void

NW_Object_Delete (NW_Object_t* object)

{

  (void) NW_Object_Factory_DeleteObject (&NW_Object_Factory, object);

}

/* ------------------------------------------------------------------------- */

NW_Bool

NW_Object_IsDerivedFrom (const NW_Object_Class_t* objClass,

		         const NW_Object_Class_t* superClass)

{

  while (objClass != NULL && objClass != superClass) {

    objClass =

      ((NW_Object_Core_Class_t*) objClass)->NW_Object_Core.super;

  }

  return (NW_Bool) (objClass == superClass);

}

/* ------------------------------------------------------------------------- */

NW_Bool

NW_Object_IsInstanceOf (const NW_Object_t* object,

		        const NW_Object_Class_t* superClass)

{

  /* deal with NULL objects */

  if (object == NULL || *(NW_Object_Class_t**) object == NULL) {

    return NW_FALSE;

  }

  return NW_Object_IsDerivedFrom (*(NW_Object_Class_t**) object, superClass);

}

/* ------------------------------------------------------------------------- */

NW_Object_t*

NW_Object_QuerySecondary (const NW_Object_t* object,

                          const NW_Object_Class_t* secondaryClass)

{

  NW_Object_t* primary;

  /* we always perform queries on the primary outer object */

  primary = NW_Object_GetPrimaryOuter (object);

  return NW_Object_Core_QuerySecondary (primary, secondaryClass);

}

/* ------------------------------------------------------------------------- */

NW_Object_t*

NW_Object_GetOuter (const NW_Object_t* object)

{

  if (NW_Object_IsInstanceOf (object, &NW_Object_Secondary_Class)) {

    return (char*) object - NW_Object_Secondary_GetClassPart (object).offset;

  }

  return NULL;

}

/* ------------------------------------------------------------------------- */

NW_Object_t*

NW_Object_GetPrimaryOuter (const NW_Object_t* object)

{

  NW_Object_t* outer;

  if ((outer = NW_Object_GetOuter (object)) != NULL) {

    return NW_Object_GetPrimaryOuter (outer);

  }

  return (NW_Object_t*) object;

}