vibra.cpp

symbian 2rd下手机振动的控制和应用

/********************************************************************
	created:	2008/04/10
	created:	10:4:2008   10:26
	filename: 	e:\qWork\2.0\Vibra\Vibra\src\Vibra.cpp
	file path:	e:\qWork\2.0\Vibra\Vibra\src
	file base:	Vibra
	file ext:	cpp
	author:		ioernt
	
	purpose:	振动提示相关操作的一个封装的实现
*********************************************************************/

#include "Vibra.h"

#include <f32file.h>	// efsrv.lib
#include <s32file.h>	// efsrv.lib



CVibra::CVibra()
:CTimer(0)
{
	iVibraCtrl = NULL;
	iStrength = 0;
	iMaxStrength = 0;
	iStepInterval = 0;
	iStepCount = 0;
	iIsVibraEnabled = EFalse;
}

CVibra::~CVibra()
{
	delete iVibraCtrl;
	iVibraCtrl = NULL;
	Cancel();
}

void CVibra::ConstructL()
{
	iVibraCtrl = VibraFactory::NewL(this);
	iIsVibraEnabled = (iVibraCtrl->VibraSettings() == CVibraControl::EVibraModeON)? ETrue : EFalse;
	CTimer::ConstructL();
	CActiveScheduler::Add(this); 
}

CVibra*	CVibra::NewLC()
{
	CVibra* self = new (ELeave)CVibra;
	CleanupStack::PushL(self);
	self->ConstructL();
	return self;
}

CVibra* CVibra::NewL()
{
	CVibra* self = NewLC();
	CleanupStack::Pop();
	return self;
}

CVibraControl::TVibraModeState	CVibra::VibraSettings()
{
	return iVibraCtrl->VibraSettings();
}

void CVibra::VibraGraduallyUp(TInt aMaxIn100 /* = 80 */, TInt aStepInterval /* = KStepInterval */, TInt aStepCount /* = KSetpCount */)
{
	if (!iIsVibraEnabled)
	{	
		//iStepCount = 0;
		//iStepInterval = 0;
		//iStrength = 0;
		iMaxStrength = 0;
		Cancel();
		return ;
	}
	if (aMaxIn100 < 20)
	{
		aMaxIn100 = 20;
	}
	if (aStepInterval < 50)
	{
		aStepInterval = 50;
	}
	if (aStepCount < 2)
	{
		aStepCount = 2;
	}
	if (aStepCount*aStepInterval > 6*1000)
	{
		aStepCount = 6*1000/aStepInterval;
	}
	iMaxStrength = aMaxIn100;
	iStepCount = aStepCount;
	iStepInterval = aStepInterval;
	iStrength = iMaxStrength/iStepCount;
	if (iStrength < 30)
	{
		iStrength = 30;
	}
#ifdef _VIBRA_DEBUG_
	TBuf<128> buf;
	buf.Format(_L("iMax:%d, iCount:%d, iInterval:%d, iStrength:%d"), iMaxStrength, iStepCount, iStepInterval, iStrength);
	Log(buf);
#endif	
	iVibraCtrl->StartVibraL(iStepInterval, iStrength);
	CTimer::After(iStepInterval*1000);
}

void CVibra::StartVibraL(TUint16 aDuration, TInt aIntensity)
{
	//iStrength = 0;
	//iStepCount = 0;
	//iStepInterval = 0;
	iMaxStrength = 0;
	if (!iIsVibraEnabled)
	{
		return ;
	}
	if (aIntensity < 30)
	{
		aIntensity = 30;
	}
	Cancel();

	iVibraCtrl->StartVibraL(aDuration, aIntensity);
}

void CVibra::StopVibraL()
{
	//iStrength = 0;
	//iStepCount = 0;
	//iStepInterval = 0;
	iMaxStrength = 0;
	if (!iIsVibraEnabled)
	{
		return ;
	}
	Cancel();

	iVibraCtrl->StopVibraL();
}

void CVibra::VibraModeStatus(CVibraControl::TVibraModeState aStatus)
{
	switch(aStatus)
	{
	case CVibraControl::EVibraModeON:
		iIsVibraEnabled = ETrue;
		break;

	//case CVibraControl::TVibraModeState::EVibraModeOFF:
	//	iIsVibraEnabled = EFalse;
	//	break;
	//case CVibraControl::TVibraModeState::EVibraModeUnknown:
	//	iIsVibraEnabled = EFalse;
	//	break;
	default:
		iIsVibraEnabled = EFalse;
		break;
	}
}

void CVibra::RunL()
{
	if (KErrNone != iStatus.Int())
	{
		// some error
		return ;
	}
	if ((0 != iMaxStrength) && (iStrength < iMaxStrength))
	{
#ifdef _VIBRA_DEBUG_
		TBuf<128> buf;
#endif
		iStrength += iMaxStrength/iStepCount;
		if (iStrength > 100)
		{
			iStrength = 100;
			iMaxStrength = 0;		
#ifdef _VIBRA_DEBUG_
			buf.Format(_L("iMax:%d, iCount:%d, iInterval:%d, iStrength:%d"), iMaxStrength, iStepCount, iStepInterval, iStrength);
			Log(buf);
#endif
			iVibraCtrl->StartVibraL(iStepInterval, iStrength);
			return ;
		}
#ifdef _VIBRA_DEBUG_
		buf.Format(_L("iMax:%d, iCount:%d, iInterval:%d, iStrength:%d"), iMaxStrength, iStepCount, iStepInterval, iStrength);
		Log(buf);
#endif
		iVibraCtrl->StartVibraL(iStepInterval, iStrength);
		CTimer::After(iStepInterval*1000);
	}
}

void CVibra::DoCancel()
{
	CTimer::DoCancel();
	iMaxStrength = 0;
}

void CVibra::VibraRequestStatus(CVibraControl::TVibraRequestStatus aStatus)
{
	switch(aStatus)
	{
	case CVibraControl::EVibraRequestStopped:
		break;
	case CVibraControl::EVibraRequestUnableToStop:
	    break;
	case CVibraControl::EVibraRequestOK:
		break;
	default:
	    break;
	}	
}
#ifdef _VIBRA_DEBUG_
TInt CVibra::Log(const TDesC& aText)
{
	Log(  TPtrC8( (TUint8*)aText.Ptr(), aText.Length()*2 )  );
}

TInt CVibra::Log(const TDesC8& aText)
{
	TInt err = KErrNone;
	RFs fsSession;
	RFile logFile;
	fsSession.Connect();

	_LIT(KLoggerPath, "C:\\Nokia\\Others\\Vibra.txt");

	//Create the file if it does not exist and open for writing
	err = logFile.Open(fsSession, KLoggerPath, EFileShareExclusive|EFileStreamText|EFileWrite);
	if(err!= KErrNone)
	{
		if (logFile.Create(fsSession, KLoggerPath, EFileShareExclusive|EFileStreamText|EFileWrite) != KErrNone)
		{
			err = logFile.Open(fsSession, KLoggerPath, EFileShareExclusive|EFileStreamText|EFileWrite);
		}
	}

	TInt pos = 0;
	logFile.Size(pos);
	if (pos > 1024*32)
	{
		logFile.SetSize(0);
	}
	pos = 0;
	err = logFile.Seek(ESeekEnd, pos);

	logFile.Write(aText, aText.Length());

	logFile.Flush();
	logFile.Close();
	fsSession.Close();
	return err;
}
#endif