/*

* 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_factoryi.h"

#include "nw_object_dynamic.h"

#include "BrsrStatusCodes.h"

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

   static data

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

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

const NW_Object_Factory_Class_t NW_Object_Factory_Class = {

  { /* NW_Object_Core    */

    /* super             */ &NW_Object_Core_Class,

    /* queryInterface    */ _NW_Object_Core_QueryInterface

  },

  { /* NW_Object_Factory */

    /* initializeObject  */ _NW_Object_Factory_InitializeObject,

    /* terminateObject   */ _NW_Object_Factory_TerminateObject,

    /* newObject         */ _NW_Object_Factory_NewObject,

    /* deleteObject      */ _NW_Object_Factory_DeleteObject

  }

};

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

const NW_Object_Factory_t NW_Object_Factory = {

  { &NW_Object_Factory_Class }

};

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

   static data

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

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

TBrowserStatusCode

_NW_Object_Factory_InitializeObject (NW_Object_Factory_t* factory,

                                     const NW_Object_Class_t* objClass,

                                     NW_Object_t* object,

                                     va_list* argList)

{

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (factory, &NW_Object_Factory_Class));

  NW_ASSERT (NW_Object_IsDerivedFrom (objClass, &NW_Object_Dynamic_Class));

  NW_ASSERT (object != NULL);

  NW_ASSERT (argList != NULL);

  /* avoid unreferenced formal parameter warnings */

  (void) factory;

  return NW_Object_Core_CallInitialize (objClass, object, argList);

}

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

TBrowserStatusCode

_NW_Object_Factory_TerminateObject (NW_Object_Factory_t* factory,

                                    NW_Object_t* object)

{

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (factory, &NW_Object_Factory_Class));

  /* avoid unreferenced formal parameter warnings */

  (void) factory;

  /* ok, lets be forgiving and ignore NULL pointers */

  if (object == NULL) {

    return KBrsrBadInputParam;

  }

  /* ensure that we have the pointer to the implementation object and that it

     is of type NW_Object_Dynamic */

  if (!NW_Object_IsInstanceOf (object, &NW_Object_Dynamic_Class)) {

    object = NW_Object_GetPrimaryOuter (object);

    if (!NW_Object_IsInstanceOf (object, &NW_Object_Dynamic_Class)) {

      return KBrsrBadInputParam;

    }

  }

  NW_Object_Core_CallTerminate (object);

  return KBrsrSuccess;

}

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

TBrowserStatusCode

_NW_Object_Factory_NewObject (NW_Object_Factory_t* factory,

                              const NW_Object_Class_t* objClass,

                              va_list* argList,

                              NW_Object_t** object)

{

  NW_Object_t* newObject;

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (factory, &NW_Object_Factory_Class));

  NW_ASSERT (NW_Object_IsDerivedFrom (objClass, &NW_Object_Dynamic_Class));

  NW_ASSERT (argList != NULL);

  NW_ASSERT (object != NULL);

  NW_TRY (status) {

    NW_Uint32 instanceSize;

    /* allocate the object */

    instanceSize =

      ((NW_Object_Dynamic_Class_t*) objClass)->NW_Object_Dynamic.instanceSize;

    newObject = NW_Mem_Malloc (instanceSize);

    NW_THROW_OOM_ON_NULL (newObject, status);

    /* initialize the newly allocated object */

    status = NW_Object_Factory_InitializeObject (factory, objClass,

                                                 newObject, argList);

    NW_THROW_ON_ERROR (status);

    *object = newObject;

  } NW_CATCH (status) {

    (void) NW_Object_Factory_DeleteObject (factory, newObject);

  } NW_FINALLY {

    return status;

  } NW_END_TRY

}

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

TBrowserStatusCode

_NW_Object_Factory_DeleteObject (NW_Object_Factory_t* factory,

                                 NW_Object_t* object)

{

  TBrowserStatusCode status;

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (factory, &NW_Object_Factory_Class));

  status = NW_Object_Factory_TerminateObject (factory, object);

  if (status != KBrsrBadInputParam) {

    NW_Mem_Free (object);

  }

  return status;

}