toneadapater.h

一个简单的电子驱蚊器程序,通过调用频率发出声音.

// ToneAdapater.h: interface for the CToneAdapater class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_TONEADAPATER_H__5D4D3DCA_EAF2_47A7_98FC_69AEEB237336__INCLUDED_)
#define AFX_TONEADAPATER_H__5D4D3DCA_EAF2_47A7_98FC_69AEEB237336__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <MdaAudioTonePlayer.h>
#include "LustrationAppUi.h"
class MAudioToneAdapaterObserver
	{
	public:
		virtual void HandlePlayingStoppedL() = 0;
	};

class CMdaAudioToneUtility;

class CToneAdapater : public CBase, public MMdaAudioToneObserver 
{
public:
	enum TState
	{
		EStopped,
		EPlaying
	};
public:
	static CToneAdapater* NewL(MAudioToneAdapaterObserver& aObserver);
	~CToneAdapater();

public:
	void Stop();
	void PlayToneL( TInt aB );

	
public:
	virtual void MatoPlayComplete(TInt aError);
	virtual void MatoPrepareComplete(TInt aError);

public:
	inline const TState& State() const;

private:
	CToneAdapater(MAudioToneAdapaterObserver& aObserver);
	void ConstructL( );

private:
	MAudioToneAdapaterObserver& iObserver;
	CMdaAudioToneUtility* iMdaAudioToneUtility;
	TState iState;
};

// inline functions
const CToneAdapater::TState& CToneAdapater::State() const		
{ 
	return iState; 
}

#endif // !defined(AFX_TONEADAPATER_H__5D4D3DCA_EAF2_47A7_98FC_69AEEB237336__INCLUDED_)