/*

* 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_lmgr_splittextboxi.h"

#include "nw_lmgr_textbox.h"

#include "nw_lmgr_cssproperties.h"

#include "nwx_settings.h"

#include "nwx_string.h"

#include "BrsrStatusCodes.h"

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

/* The static instance of the Text_Box class object */

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

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

const

NW_LMgr_SplitTextBox_Class_t  NW_LMgr_SplitTextBox_Class = {

  { /* NW_Object_Core            */

    /* super                     */ &NW_LMgr_AbstractTextBox_Class,

    /* queryInterface            */ _NW_Object_Base_QueryInterface

  },

  { /* NW_Object_Base            */

    /* interfaceList             */ NULL

  },

  { /* NW_Object_Dynamic         */

    /* instanceSize              */ sizeof (NW_LMgr_SplitTextBox_t),

    /* construct                 */ _NW_LMgr_SplitTextBox_Construct,

    /* destruct                  */ NULL

  },

  { /* NW_LMgr_Box               */

    /* split                     */ _NW_LMgr_AbstractTextBox_Split,

    /* resize                    */ _NW_LMgr_AbstractTextBox_Resize,

    /* postResize                */ _NW_LMgr_Box_PostResize,

    /* getMinimumContentSize     */ _NW_LMgr_AbstractTextBox_GetMinimumContentSize,

    /* hasFixedContentSize       */ _NW_LMgr_MediaBox_HasFixedContentSize,

    /* constrain                 */ _NW_LMgr_Box_Constrain,

    /* draw                      */ _NW_LMgr_AbstractTextBox_Draw,

    /* render                    */ _NW_LMgr_Box_Render,

    /* getBaseline               */ _NW_LMgr_AbstractTextBox_GetBaseline,

    /* shift                     */ _NW_LMgr_Box_Shift,

    /* clone                     */ _NW_LMgr_Box_Clone

  },

  { /* NW_LMgr_MediaBox          */

    /* unused                    */ NW_Object_Unused

  },

  { /* NW_LMgr_AbstractTextBox   */

    /* getText                   */ _NW_LMgr_SplitTextBox_GetText,

    /* getStart                  */ _NW_LMgr_SplitTextBox_GetStart

  },

  { /* NW_LMgr_SplitTextBox      */

    /* unused                    */ 0

  }

};

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

   virtual methods

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

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

TBrowserStatusCode

_NW_LMgr_SplitTextBox_Construct (NW_Object_Dynamic_t* dynamicObject,

                                 va_list* argp){

  NW_LMgr_SplitTextBox_t* textBox;

  /* for convenience */

  textBox = NW_LMgr_SplitTextBoxOf (dynamicObject);

  /* initialize our text member */

  textBox->prevBox = va_arg (*argp, NW_LMgr_AbstractTextBox_t*);

  NW_LMgr_AbstractTextBoxOf(textBox)->length = va_arg (*argp, NW_Text_Length_t);

  /* successful completion */

  return KBrsrSuccess;

}

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

NW_Text_t*

_NW_LMgr_SplitTextBox_GetText (NW_LMgr_AbstractTextBox_t *abstractText)

{

  NW_LMgr_SplitTextBox_t* thisObj = NW_LMgr_SplitTextBoxOf(abstractText);

  NW_LMgr_AbstractTextBox_t *prevBox;

  NW_LMgr_TextBox_t *principalBox;

  /* Ideally, this function should call itself recursively to find

   * the original text.  The following loop takes a shortcut to

   * reduce stack usage.

   */

  prevBox = thisObj->prevBox;

  while (NW_Object_IsInstanceOf(prevBox, &NW_LMgr_SplitTextBox_Class)) {

    prevBox = NW_LMgr_SplitTextBoxOf(prevBox)->prevBox;

  }

  //Make sure the previous entry is still valid

  if (!NW_Object_IsInstanceOf(prevBox, &NW_LMgr_TextBox_Class)) {

     return NULL;

  }

  principalBox = NW_LMgr_TextBoxOf(prevBox);

  return principalBox->text;

}

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

NW_Text_Length_t

_NW_LMgr_SplitTextBox_GetStart (NW_LMgr_AbstractTextBox_t *abstractText)

{

  NW_LMgr_SplitTextBox_t* thisObj = NW_LMgr_SplitTextBoxOf(abstractText);

  NW_LMgr_AbstractTextBox_t* prevBox = NULL;

  NW_Text_Length_t start;

  /* Ideally, this function should call itself recursively to determine

   * the starting position.  The following loop takes a shortcut to

   * reduce stack usage.

   */

  prevBox = thisObj->prevBox;

  start = 0;

  while (NW_Object_IsInstanceOf(prevBox, &NW_LMgr_SplitTextBox_Class)) {

    start = (NW_Text_Length_t)(start + NW_LMgr_AbstractTextBox_GetLength(prevBox));

    prevBox = NW_LMgr_SplitTextBoxOf(prevBox)->prevBox;

  }

  start = (NW_Text_Length_t)(start + NW_LMgr_AbstractTextBox_GetLength(prevBox));

  return start;

}

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

   convenience functions

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

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

NW_LMgr_SplitTextBox_t*

NW_LMgr_SplitTextBox_New (NW_LMgr_AbstractTextBox_t* textBox,

                          NW_Text_Length_t length)

{

  return (NW_LMgr_SplitTextBox_t*)NW_Object_New(&NW_LMgr_SplitTextBox_Class,

                                                textBox,

                                                length);

}