symbian_rtimer_at_imp.cpp

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
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 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
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 * This file, and the files included with this file, is distributed and made 
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 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
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 * ***** END LICENSE BLOCK ***** */ 

#include "symbian_rtimer_at_imp.h"

#include <string.h>

HXSymbianRTimerAsyncTimer::HXSymbianRTimerAsyncTimer() :
    CActive(EPriorityStandard),
    m_bInRunL(false),
    m_bDestroySelf(false)
{
    CActiveScheduler::Add(this);
}

HXSymbianRTimerAsyncTimer::~HXSymbianRTimerAsyncTimer()
{
    Cancel();
    m_timer.Close();
}

void HXSymbianRTimerAsyncTimer::DoExtraInit()
{
    TInt err = m_timer.CreateLocal();
    
    if( KErrNone == err )
    {
	m_timer.After(iStatus, GetTimeoutPeriod() * 1000);
	SetActive();	
    }
}

ULONG32 HXSymbianRTimerAsyncTimer::GetID()
{
    return (ULONG32)m_timer.Handle();
}

void HXSymbianRTimerAsyncTimer::Destroy()
{    
    if (m_bInRunL)
    {
	// We are being called from this timer callback.
	// Signal that we need to delay destruction
	m_bDestroySelf = true;
    }
    else
    {
	delete this;
    }
}

//For active object stuff.
void HXSymbianRTimerAsyncTimer::RunL()
{
    m_bInRunL = true;

    OnTimeout();

    m_bInRunL = false;

    if (!m_bDestroySelf)
    {
	// Schedule next timeout
	m_timer.After(iStatus, GetTimeoutPeriod() * 1000);
	SetActive();
    }
    else
    {
	m_timer.Cancel();
	m_timer.Close();

	// Complete the delayed destruction
	delete this;
    }

    // Nothing should follow this line since the class may be destroyed
    // at this point
}

void HXSymbianRTimerAsyncTimer::DoCancel()
{
    m_timer.Cancel();
}