/*

* Copyright (c) 2002 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 <e32def.h> // avoid NULL redefinition warning

#include "nw_system_epoc32timeri.h"

#include "nwx_time.h"

#include "MVCShell.h"

#include "CEpoc32Timer.h"

#include "nwx_ctx.h"

#include "nwx_defs_symbian.h"

#include "BrsrStatusCodes.h"

#include "MemoryManager.h"

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

   static data

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

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

const NW_System_Epoc32Timer_Class_t NW_System_Epoc32Timer_Class = {

  { /* NW_Object_Core       */

    /* super                */ &NW_System_Timer_Class,

    /* querySecondary       */ _NW_Object_Core_QuerySecondary

  },

  { /* NW_Object_Base       */

    /* secondaryList        */ NULL

  },

  { /* NW_Object_Dynamic    */

    /* instanceSize         */ sizeof (NW_System_Epoc32Timer_t),

    /* construct            */ _NW_System_Epoc32Timer_Construct,

    /* destruct             */ _NW_System_Epoc32Timer_Destruct

  },

  { /* NW_System_Timer      */

    /* stop                 */ _NW_System_Epoc32Timer_Stop,

    /* resume               */ _NW_System_Epoc32Timer_Resume,

    /* isRunning            */ _NW_System_Epoc32Timer_IsRunning,

    /* read                 */ _NW_System_Epoc32Timer_Read

  },

  { /* NW_System_Epoc32Timer */

    /* unused               */ NW_Object_Unused

  }

};

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

   NW_Object_Dynamic methods

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

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

TBrowserStatusCode

_NW_System_Epoc32Timer_Construct (NW_Object_Dynamic_t* dynamicObject,

                                 va_list* argList)

{

  TBrowserStatusCode status;

  NW_System_Epoc32Timer_t* thisObj;

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (dynamicObject,

                                     &NW_System_Epoc32Timer_Class));

  NW_ASSERT (argList != NULL);

  /* invoke our superclass constructor */

  status = _NW_System_Timer_Construct (dynamicObject, argList);

  if (status != KBrsrSuccess) {

    return status;

  }

  /* for convenience */

  thisObj = NW_System_Epoc32TimerOf (dynamicObject);

  // RB: Period is in milliseconds

  TUint32 timerPeriod(1000 * thisObj->super.period);

  TCallBack cb((TThreadFunction)thisObj->super.callback, thisObj->super.clientData);

  /* initialize the member variables */

  thisObj->epocTimer = CEpoc32Timer::New(timerPeriod, thisObj->super.repeating, cb);

  if(thisObj->epocTimer == NULL) {

    return KBrsrOutOfMemory;

  }

  thisObj->super.startTime = NW_Time_GetTimeMSec();

  thisObj->super.remainingTime = thisObj->super.period;

  thisObj->super.isRunning = NW_TRUE;

  /* successful completion */

  return KBrsrSuccess;

}

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

void

_NW_System_Epoc32Timer_Destruct (NW_Object_Dynamic_t* dynamicObject)

{

  NW_System_Epoc32Timer_t* thisObj;

  CEpoc32Timer* epocTimer = NULL;

  /* parameter assertion block */

  NW_ASSERT (NW_Object_IsInstanceOf (dynamicObject,

                                     &NW_System_Epoc32Timer_Class));

  /* for convenience */

  thisObj = NW_System_Epoc32TimerOf (dynamicObject);

  epocTimer = (CEpoc32Timer*)thisObj->epocTimer;

  epocTimer->Cancel();

  delete epocTimer;

}

// ------------------------------------------------------------------------- 

// ------------------------------------------------------------------------- 

TBrowserStatusCode

_NW_System_Epoc32Timer_IsRunning (NW_System_Timer_t* timer,

                            NW_Bool* isRunning)

{

  NW_System_Epoc32Timer_t* thisObj;

  CEpoc32Timer* epocTimer = NULL;

  /* for convenience */

  thisObj = NW_System_Epoc32TimerOf (timer);

  epocTimer = (CEpoc32Timer*)thisObj->epocTimer;

  if (epocTimer)

	{

    *isRunning = (NW_Bool)epocTimer->IsActive();

    return KBrsrSuccess;

	}

  return KBrsrFailure;

}

TBrowserStatusCode

_NW_System_Epoc32Timer_Read (NW_System_Timer_t* timer,

                       NW_Uint32* remainingTime)

{

  NW_System_Epoc32Timer_t* thisObj;

  CEpoc32Timer* epocTimer = NULL;

  /* for convenience */

  thisObj = NW_System_Epoc32TimerOf (timer);

  epocTimer = (CEpoc32Timer*)thisObj->epocTimer;

  if (epocTimer)

	{

    *remainingTime = epocTimer->MicrosecondsLeftUntilNextTick()/1000;

    return KBrsrSuccess;

	}

  return KBrsrFailure;

}

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

   NW_System_Timer methods

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

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

TBrowserStatusCode

_NW_System_Epoc32Timer_Stop (NW_System_Timer_t* timer)

{

  NW_System_Epoc32Timer_t* thisObj;

  CEpoc32Timer* epocTimer = NULL;

  /* for convenience */

  thisObj = NW_System_Epoc32TimerOf (timer);

  epocTimer = (CEpoc32Timer*)thisObj->epocTimer;

  if (epocTimer)

  {

    epocTimer->Stop();

    return KBrsrSuccess;

  }

  return KBrsrFailure;

}

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

TBrowserStatusCode

_NW_System_Epoc32Timer_Resume (NW_System_Timer_t* timer)

{

  NW_System_Epoc32Timer_t* thisObj;

  CEpoc32Timer* epocTimer = NULL;

  /* for convenience */

  thisObj = NW_System_Epoc32TimerOf (timer);

  epocTimer = (CEpoc32Timer*)thisObj->epocTimer;

  if (epocTimer)

  {

    epocTimer->Resume();

    return KBrsrSuccess;

  }

  return KBrsrFailure;

}

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

NW_System_Timer_t*

_NW_System_Timer_New (NW_System_Timer_Callback_t callback,

                      void* clientData,

                      NW_Uint32 period,

                      NW_Bool repeating)

{

  return (NW_System_Timer_t*)

    NW_Object_New (&NW_System_Epoc32Timer_Class, callback, clientData, period,

                   (NW_Uint32)repeating);

}