process_events.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: process_events.cpp,v 1.2.32.3 2004/07/09 01:45:25 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
 * 
 * The contents of this file, and the files included with this file,
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 * Source License (the "RPSL") available at
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 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
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 * will apply. You may also obtain the license terms directly from
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#include "platform/symbian/process_events.h"

#include <e32base.h>

class HXSymbianEventHandler : public CActive
{
public:
    HXSymbianEventHandler();
    ~HXSymbianEventHandler();

    void DoEvents(int timeoutMs);

    void RunL();
    void DoCancel();

private:
    RTimer m_timer;
    bool m_done;
};

HXSymbianEventHandler::HXSymbianEventHandler() :
    CActive(EPriorityStandard),
    m_done(false)
{
    CActiveScheduler::Add(this);
}

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

void HXSymbianEventHandler::DoEvents(int timeoutMs)
{
    TInt err = m_timer.CreateLocal();
    
    if( KErrNone == err )
    {
	m_timer.After(iStatus, timeoutMs * 1000);
	SetActive();	

	m_done = false;

	while(!m_done)
	{
	    User::WaitForAnyRequest();
	    TInt aError;
	    CActiveScheduler::RunIfReady(aError, CActive::EPriorityIdle);
	}
    }
}

void HXSymbianEventHandler::RunL()
{
    m_done = true;
}

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

void SymbianProcessEvents(int timeoutMs)
{
    HXSymbianEventHandler* pEH = new HXSymbianEventHandler;

    if (pEH)
    {
	pEH->DoEvents(timeoutMs);

	delete pEH;
    }
}