/*

* 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_text_hrelementhandleri.h"

#include "nw_xhtml_xhtmlcontenthandler.h"

#include "nw_lmgr_rulebox.h"

#include "NW_Text_Abstract.h"

#include "nw_dom_domvisitor.h"

#include "nwx_string.h"

#include "nw_xhtml_xhtml_1_0_tokens.h"

#include "BrsrStatusCodes.h"

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

   local constants

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

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

   class definition

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

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

const

NW_XHTML_hrElementHandler_Class_t NW_XHTML_hrElementHandler_Class = {

  { /* NW_Object_Core              */

    /* super                       */ &NW_XHTML_ElementHandler_Class,

    /* queryInterface              */ _NW_Object_Core_QueryInterface

  },

  { /* NW_XHTML_ElementHandler     */

    /* initialize                  */ _NW_XHTML_ElementHandler_Initialize,

    /* createBoxTree               */ _NW_XHTML_hrElementHandler_CreateBoxTree,

    /* processEvent                */ _NW_XHTML_ElementHandler_ProcessEvent

  },

  { /* NW_XHTML_hrElementHandler */

    /* unused                      */ NW_Object_Unused

  }

};

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

   singleton definition

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

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

const NW_XHTML_hrElementHandler_t NW_XHTML_hrElementHandler = {

  { { &NW_XHTML_hrElementHandler_Class } }

};

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

TBrowserStatusCode

_NW_XHTML_hrElementHandler_CreateBoxTree (const NW_XHTML_ElementHandler_t* elementHandler,

                                          NW_XHTML_ContentHandler_t* contentHandler,

                                          NW_DOM_ElementNode_t* elementNode,

                                          NW_LMgr_ContainerBox_t* parentBox)

{

  NW_LMgr_RuleBox_t *ruleBox = NULL;

  NW_LMgr_Box_t *box = NULL;

  TBrowserStatusCode getPropStatus;

  NW_LMgr_Property_t Prop;

  NW_Bool zeroSize = NW_FALSE;

  NW_TRY (status) 

  {

    ruleBox = NW_LMgr_RuleBox_New ();

    NW_THROW_OOM_ON_NULL (ruleBox, status);

    box = NW_LMgr_BoxOf(ruleBox);

    status = NW_LMgr_ContainerBox_AddChild (parentBox, box);  

    _NW_THROW_ON_ERROR (status);

    /* apply common attributes and styles */

    status = NW_XHTML_ElementHandler_ApplyStyles (elementHandler, contentHandler,

                      elementNode, &box, 0);

    // Apply Styles will take care of replacing container box if display was block, list-item or marquee.

    // In case of 'display:none' or an error it removes the container box. That's why we check box

    if( !box )

      {

      NW_THROW_SUCCESS( status );

      }

    /* If either width is zero, or height is zero, rule will not be displayed.

     * This is the best place to deal with this, because we can still 

     * completely remove this block element from the tree.

     * (Attempting to remove it in lmgr will not remove newlines).

     */

    getPropStatus = NW_LMgr_Box_GetRawProperty(box, NW_CSS_Prop_width, &Prop);

    if (getPropStatus == KBrsrSuccess) {

      if ((Prop.type == NW_CSS_ValueType_Px && Prop.value.integer == 0) ||

          (Prop.type == NW_CSS_ValueType_Percentage && Prop.value.decimal == 0))

        zeroSize = NW_TRUE;

    }

    getPropStatus = NW_LMgr_Box_GetRawProperty(box, NW_CSS_Prop_height, &Prop);

    if (getPropStatus == KBrsrSuccess) {

      if (Prop.value.integer == 0)

          zeroSize = NW_TRUE;

    }

    if (zeroSize) {

      status = NW_LMgr_ContainerBox_RemoveChild (parentBox, box);

      if (status == KBrsrSuccess) {

        NW_Object_Delete(box);

      }

    }

  }

  NW_CATCH (status) 

  {

    if (box)

    {

      NW_Object_Delete (box);

    }

  }

  NW_FINALLY 

  {

    return status; 

  } NW_END_TRY

}