usertimer.cpp

Simple Jabber Client for Symbian Platform

/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *  Jabber
 *  Copyright (C) 2004 Xie Tian Lu  http://sabber.jabberstudio.org/
 */


// INCLUDE FILES
#include "usertimer.h"

// CONSTANTS
const TInt KIntervalBaseTime = 100000;


// ================= MEMBER FUNCTIONS =======================

// C++ default constructor can NOT contain any code, that
// might leave.
//

CUserTimer* CUserTimer::NewL( TInt aInterval, MTimerCallBack *aTCB, TBool aNow )
{
	CUserTimer* self  = new ( ELeave ) CUserTimer();
    CleanupStack::PushL( self );
	self->ConstructL( aInterval, aTCB, aNow );
    CleanupStack::Pop();   
	
	return self;
}

CUserTimer::CUserTimer() : CTimer( EActivePriorityClockTimer )
{
}


// EPOC default constructor can leave.
void CUserTimer::ConstructL( TInt aInterval, MTimerCallBack *aTCB, TBool immed )
{
    CTimer::ConstructL();
    CActiveScheduler::Add( this );
	iTCB = aTCB;
	iInterval = aInterval;

	if ( immed )
		Queue();
}

// Destructor
CUserTimer::~CUserTimer()
{
	Cancel();
}


// ---------------------------------------------------------
// CUserTimer::RunL()
// Difinition of what to do, when timer event occurred.
// ---------------------------------------------------------
//
void CUserTimer::RunL()
{
	iTCB->OnTimer( this );
}


// ---------------------------------------------------------
// CUserTimer::Queue()
// Set timer event interval
// ---------------------------------------------------------
//
void CUserTimer::Queue()
{
	Cancel();
	After( iInterval );
}

void CUserTimer::Queue( TInt aInterval )
{
	Cancel();
	After( aInterval );
}

// End of File