/*

* 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_system_timeri.h"

#include "nwx_time.h"

#include "BrsrStatusCodes.h"

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

   static data

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

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

const NW_System_Timer_Class_t NW_System_Timer_Class = {

  { /* NW_Object_Core        */

    /* super                 */ &NW_Object_Dynamic_Class,

    /* querySecondary        */ _NW_Object_Core_QuerySecondary

  },

  { /* NW_Object_Base        */

    /* secondaryList         */ NULL

  },

  { /* NW_Object_Dynamic     */

    /* instanceSize          */ sizeof (NW_System_Timer_t),

    /* construct             */ _NW_System_Timer_Construct,

    /* destruct              */ NULL

  },

  { /* NW_System_Timer       */

    /* stop                 */ NULL,

    /* resume               */ NULL,

    /* isRunning            */ _NW_System_Timer_IsRunning,

    /* read                 */ _NW_System_Timer_Read

  }

};

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

   NW_Object_Dynamic methods

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

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

TBrowserStatusCode

_NW_System_Timer_Construct (NW_Object_Dynamic_t* dynamicObject,

                            va_list* argList)

{

  NW_System_Timer_t* thisObj;

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (dynamicObject, &NW_System_Timer_Class));

  NW_ASSERT (argList != NULL);

  /* for convenience */

  thisObj = NW_System_TimerOf (dynamicObject);

  /* initialize the member variables */

  thisObj->callback = va_arg (*argList, NW_System_Timer_Callback_t);

  thisObj->clientData = va_arg (*argList, void*);

  thisObj->period = va_arg (*argList, NW_Uint32);

  thisObj->repeating = (NW_Bool)va_arg (*argList, NW_Uint32);

  /* successful completion */

  return KBrsrSuccess;

}

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

   NW_System_Timer methods

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

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

TBrowserStatusCode

_NW_System_Timer_IsRunning (NW_System_Timer_t* timer,

                            NW_Bool* isRunning)

{

  NW_System_Timer_t* thisObj;

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (timer, &NW_System_Timer_Class));

  /* for convenience */

  thisObj = NW_System_TimerOf (timer);

  *isRunning = thisObj->isRunning;

  return KBrsrSuccess;

}

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

TBrowserStatusCode

_NW_System_Timer_Read (NW_System_Timer_t* timer,

                       NW_Uint32* remainingTime)

{

  NW_System_Timer_t* thisObj;

  NW_Uint32 elapsedTime;

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (timer, &NW_System_Timer_Class));

  /* for convenience */

  thisObj = NW_System_TimerOf (timer);

  if (thisObj->isRunning) {

    elapsedTime = NW_Time_GetTimeMSec() - thisObj->startTime;

    if(elapsedTime > thisObj->period) {

      *remainingTime = 0;

    } else  {

      *remainingTime = thisObj->remainingTime - elapsedTime;

    }

    return KBrsrSuccess;

  }

  *remainingTime = thisObj->remainingTime;

  return KBrsrSuccess;

}