mh5switchbutton.c

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/*******************************************************************************
 * Copyright © 2014 The DTVKit Open Software Foundation Ltd (www.dtvkit.org)
 * Copyright © 2004 Ocean Blue Software Ltd
 * Copyright © 2000 Koninklijke Philips Electronics N.V
 *
 * This file is part of a DTVKit Software Component
 * You are permitted to copy, modify or distribute this file subject to the terms
 * of the DTVKit 1.0 Licence which can be found in licence.txt or at www.dtvkit.org
 * 
 * THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
 * EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
 * 
 * If you or your organisation is not a member of DTVKit then you have access
 * to this source code outside of the terms of the licence agreement
 * and you are expected to delete this and any associated files immediately.
 * Further information on DTVKit, membership and terms can be found at www.dtvkit.org
 *******************************************************************************/
/*---includes for this file--------------------------------------------------*/
#include <stdlib.h>
#include <string.h>

#include "mh5profile.h"
#include "mh5switchbutton.h"
#include "mh5object.h"
#include "mh5variable.h"

#ifndef MHEG5PROFILE_UK1_06

/*
   Debug
 */
#ifdef MH5PRINTOUT

void MHEG5switchbuttonPrint(MHEG5Switchbutton *switchbutton, char *out)
{
   MHEG5pushbuttonPrint(&switchbutton->pushbutton, out);
   MHEG5indent(out);
   /* Exchanged Attribute */
   MHEG_PRINT(out, ":Style: ");
   switch (switchbutton->style)
   {
      case MHEG5PUSHBUTTONS:
         MHEG_PRINT(out, "PUSHBUTTONS");
         break;
      case MHEG5RADIOBUTTON:
         MHEG_PRINT(out, "RADIOBUTTON");
         break;
      case MHEG5CHECKBOX:
         MHEG_PRINT(out, "CHECKBOX");
         break;
      default:
         MHEG_PRINT(out, "<Internal Error>");
         break;
   }
   MHEG5newLine(out);
}

#endif

/*
     Constructor
 */

void MHEG5switchbuttonInit(MHEG5Switchbutton *switchbutton)
{
   assert(switchbutton);

   MHEG5pushbuttonInit(&switchbutton->pushbutton);

   switchbutton->style = MHEG5PUSHBUTTONS;
}

void MHEG5switchbuttonFree(MHEG5Switchbutton *switchbutton)
{
   assert(switchbutton);

   MHEG5pushbuttonFree(&switchbutton->pushbutton);
}

/*
     Internal behaviours
 */
/*
     32.3 Internal behaviours
     this class has the same behaviours as its base class, with identical semantics.
 */

void MHEG5switchbuttonPrepare(MHEG5Switchbutton *switchbutton)
{
   assert(switchbutton);
   MHEG5pushbuttonPrepare(&switchbutton->pushbutton);
}

void MHEG5switchbuttonActivate(MHEG5Switchbutton *switchbutton)
{
   assert(switchbutton);
   MHEG5pushbuttonActivate(&switchbutton->pushbutton);
}

void MHEG5switchbuttonDeactivate(MHEG5Switchbutton *switchbutton)
{
   assert(switchbutton);
   MHEG5pushbuttonDeactivate(&switchbutton->pushbutton);
}

void MHEG5switchbuttonDestruct(MHEG5Switchbutton *switchbutton)
{
   assert(switchbutton);

   MHEG5pushbuttonDestruct(&switchbutton->pushbutton);
}

/*
    Actions
 */
MHEG5ErrorCode MHEG5getSelectionStatus(MHEG5Root *target, MHEG5GList *params)
{
   MHEG5Root *tVar = 0;

   assert(target);

   if (!params)
   {
      return MHEG5ERR_WRONGNUMBEROFPARAMS;
   }
   if (target->clazz != MHEG5SWITCHBUTTON)
   {
      return MHEG5ERR_WRONGTARGET;
   }

   MHEG5resolveORef(params, &tVar);

   if (!tVar)
   {
      return MHEG5ERR_WRONGNUMBEROFPARAMS;
   }
   if (!tVar->runningStatus)
   {
      return MHEG5ERR_PARAMNOTACTIVE;
   }

   if (tVar->clazz != MHEG5BOOLEANVARIABLE)
   {
      return MHEG5ERR_WRONGPARAM;
   }

   ((MHEG5BooleanVariable *) tVar)->value = ((MHEG5Switchbutton *)target)->pushbutton.button.selectionStatus;

   return MHEG5ERR_NOERROR;
}

MHEG5ErrorCode MHEG5toggle(MHEG5Root *target, MHEG5GList *params)
{
   assert(target);

   if (target->clazz != MHEG5SWITCHBUTTON)
   {
      return MHEG5ERR_WRONGTARGET;
   }

   if ((((MHEG5Button *)target)->selectionStatus == MHEG5FALSE))
   {
      return MHEG5select(target, params);
   }

   return MHEG5deselect(target, params);
}

#endif