/*

* Copyright (c) 2000-2004 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_fbox_skini.h"

#include "nw_fbox_formbox.h"

#include "nwx_string.h"

#include "nw_text_ucs2.h"

#include "BrsrStatusCodes.h"

static const NW_Ucs2 _NW_LMgr_Text_Truncate[] = {'.','.','.','\0'};

#define NW_LMgr_Text_Truncate_len ((sizeof(_NW_LMgr_Text_Truncate)\

                                             /sizeof(NW_Ucs2))-1)

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

   This routine will replace all non printable characters with spaces.

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

NW_Text_t*

NW_FBox_Skin_NonprintableToSpace(NW_Text_t *text)

{

  NW_Ucs2* string;

  NW_Text_Length_t numCharacters;

  NW_Text_Length_t index;

  NW_Bool modified;

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (text, &NW_Text_Abstract_Class));

  /* get a copy of the string managed by the text object */

  string = NW_Text_GetUCS2Buffer (text, NW_Text_Flags_Copy,

                                  &numCharacters, NULL);

  if (string == NULL) {

    return NULL;

  }

  /* iterate through each character converting them as necessary */

  modified = NW_FALSE;

  for (index = 0; index < numCharacters; index++) {

    if (string[index] != 0x0020 /* <SP> */ &&

        NW_Str_Isspace (string[index])) {

      string[index] = 0x0020; /* <SP> */

      modified = NW_TRUE;

    }

  }

  /* if we didn't modify the string, we can simply return the original text

     object */

  if (!modified) {

    NW_Mem_Free (string);

    return text;

    }

  return (NW_Text_t*)

    NW_Text_UCS2_New (string, numCharacters, NW_Text_Flags_TakeOwnership);

}

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

TBrowserStatusCode 

NW_LMgr_Text_GetDisplayLength(CGDIDeviceContext* deviceContext,

															NW_Text_t* text,

                              CGDIFont* font,

															NW_Text_Length_t totalLength,

															NW_Uint16 width,

															NW_Text_Length_t* displayLength)

  {

  NW_GDI_Dimension2D_t extent;

  NW_GDI_Dimension2D_t truncateExtent;

  NW_Text_UCS2_t* truncateText;

  TBrowserStatusCode status = KBrsrSuccess;

  NW_Bool OverFlow = NW_FALSE;

  NW_Text_Length_t i;

  truncateText = NW_Text_UCS2_New ((NW_Ucs2*) _NW_LMgr_Text_Truncate, NW_LMgr_Text_Truncate_len, 0);

  if (truncateText == NULL)

    {

    return KBrsrOutOfMemory;

    }

  status =

    deviceContext->GetTextExtent ( NW_TextOf(truncateText),

                                   font,

                                   0, 

                                   NW_GDI_FlowDirection_LeftRight, 

                                   &truncateExtent );

  if (status != KBrsrSuccess)

    {

    NW_Object_Delete(truncateText);

    return status;

    }

  NW_Object_Delete(truncateText);

  extent.width = 0;

  extent.height = 0;

  for (i=1; i<=totalLength; i++) 

    {

    status = deviceContext->GetSubstringExtent(text, 

                                               font,

                                               0, 

                                               i, 

                                               0, 

                                               NW_GDI_FlowDirection_LeftRight, 

                                               &extent);

    if (status != KBrsrSuccess)

      {

      return status;

      }

    if(!OverFlow)

      {

      if(extent.width > width)

        {

        i = (NW_Text_Length_t)((i > 3) ? (i - 3) : 0);

        OverFlow = NW_TRUE;

        }

      continue;

      }

    else if ((extent.width + truncateExtent.width) > width) 

      {

      break;

      }

    }

  *displayLength = --i;

  return status;

  }

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

const

NW_FBox_Skin_Class_t  NW_FBox_Skin_Class = {

  { /* NW_Object_Core             */

    /* super                      */ &NW_Object_Dynamic_Class,

    /* queryInterface             */ _NW_Object_Base_QueryInterface

  },

  { /* NW_Object_Base             */

    /* interfaceList              */ NULL

  },

  { /* NW_Object_Dynamic          */

    /* instanceSize               */ sizeof (NW_FBox_Skin_t),

    /* construct                  */ _NW_FBox_Skin_Construct,

    /* destruct                   */ NULL

  },

  { /* NW_FBox_Skin               */

    /* NW_FBox_Skin_Draw_t        */ NULL,

    /* NW_FBox_Skin_GetSize_t     */ NULL

  }

};

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

   virtual methods

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

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

TBrowserStatusCode

_NW_FBox_Skin_Construct (NW_Object_Dynamic_t* dynamicObject,

                         va_list* argp)

{

  NW_FBox_Skin_t* thisObj;

  /* for convenience */

  thisObj = NW_FBox_SkinOf (dynamicObject);

  /* initialize the member variables */

  thisObj->formBox = va_arg (*argp, NW_FBox_FormBox_t*);

  /* successful completion */

  return KBrsrSuccess;

}