/*

* 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_structure_titleelementhandleri.h"

#include "nw_xhtml_xhtmlcontenthandler.h"

#include "nw_text_ucs2.h"

#include "nw_dom_text.h"

#include <nwx_string.h>

#include "BrsrStatusCodes.h"

#include "MemoryManager.h"

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

   class definition

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

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

const

NW_XHTML_titleElementHandler_Class_t NW_XHTML_titleElementHandler_Class = {

  { /* NW_Object_Core               */

    /* super                        */ &NW_XHTML_ElementHandler_Class,

    /* queryInterface               */ _NW_Object_Core_QueryInterface

  },

  { /* NW_XHTML_ElementHandler      */

    /* initialize                   */ _NW_XHTML_titleElementHandler_Initialize,

    /* createBoxTree                */ _NW_XHTML_titleElementHandler_CreateBoxTree,

    /* processEvent                 */ _NW_XHTML_ElementHandler_ProcessEvent

  },

  { /* NW_XHTML_titleElementHandler */

    /* unused                       */ 0

  }

};

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

   singleton definition

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

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

const NW_XHTML_titleElementHandler_t NW_XHTML_titleElementHandler = {

  { { &NW_XHTML_titleElementHandler_Class } }

};

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

   virtual methods

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

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

TBrowserStatusCode

_NW_XHTML_titleElementHandler_Initialize (const NW_XHTML_ElementHandler_t* elementHandler,

                                          NW_XHTML_ContentHandler_t* contentHandler,

                                          NW_DOM_ElementNode_t* elementNode)

{

  NW_DOM_Node_t* childNode;

  NW_Text_t* title = NULL;

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (elementHandler,

                                     &NW_XHTML_ElementHandler_Class));

  NW_ASSERT (NW_Object_IsInstanceOf (contentHandler,

                                     &NW_XHTML_ContentHandler_Class));

  NW_ASSERT (elementNode != NULL);

  NW_TRY (status) {

    childNode = NW_DOM_Node_getFirstChild(elementNode);  

    NW_THROW_ON_NULL(childNode, status, KBrsrSuccess);

    if (NW_DOM_Node_getNodeType(childNode) == NW_DOM_TEXT_NODE) {

      NW_Ucs2* storage;

      NW_Text_Length_t length;

      NW_Bool freeNeeded;

	  NW_Text_Length_t trimmedLen; 

      NW_Text_Length_t i;

      title = NW_XHTML_GetDOMTextNodeData(contentHandler, childNode);

      NW_THROW_OOM_ON_NULL (title, status);

      storage =

        NW_Text_GetUCS2Buffer (title, NW_Text_Flags_NullTerminated |

                                      NW_Text_Flags_CompressWhitespace,

                               &length, &freeNeeded);

      NW_THROW_OOM_ON_NULL (storage, status);

	  /*If there are &nbsp's in the title, convert them into spaces*/

	  /* Trim the string */

      trimmedLen = 0;

      for (i = 0; i < length; i++) {

        if ((storage[i] == NW_TEXT_UCS2_TAB) || (storage[i] == NW_TEXT_UCS2_NBSP)) {

          storage[trimmedLen++] = ' ';

		}

        else {

          storage[trimmedLen++] = storage[i];

		}

	  }

      storage[trimmedLen] = 0;  

      if (freeNeeded) {

        NW_Object_Delete (title);

        title = (NW_Text_t*)

          NW_Text_UCS2_New (storage, length, NW_Text_Flags_TakeOwnership);

        NW_THROW_OOM_ON_NULL (title, status);

      }

      /* set the contentHandler's title */

      (void) NW_XHTML_ContentHandler_SetTitle(contentHandler, title);

      status = NW_XHTML_ElementHandler_Class.NW_XHTML_ElementHandler.

           initialize (elementHandler, contentHandler, elementNode);

    }

  }

  NW_CATCH (status) {

    NW_Object_Delete(title);

    (void) NW_XHTML_ContentHandler_SetTitle(contentHandler, NULL);

  }

  NW_FINALLY {

    return status;

  } NW_END_TRY

}

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

TBrowserStatusCode

_NW_XHTML_titleElementHandler_CreateBoxTree (const NW_XHTML_ElementHandler_t* elementHandler,

                                             NW_XHTML_ContentHandler_t* contentHandler,

                                             NW_DOM_ElementNode_t* elementNode,

                                             NW_LMgr_ContainerBox_t* parentBox)

{

  NW_REQUIRED_PARAM(elementHandler);

  NW_REQUIRED_PARAM(contentHandler);

  NW_REQUIRED_PARAM(elementNode);

  NW_REQUIRED_PARAM(parentBox);

  return KBrsrSuccess;

}