audio4eng.h

来自「Symbian OS C++ 手机应用开发（第一卷）部分事例代码」· C头文件 代码 · 共 49 行

/* Copyright (c) 2004, Symbian Software Ltd. All rights reserved */

#ifndef __Audio4ENG_H__
#define __Audio4ENG_H__

#include <aknapp.h>
#include <MdaAudioTonePlayer.h>
#include <eikmenup.h>

class CAudio4Ui;

class CAudio4Engine : public CBase, public MMdaAudioToneObserver
    {
public:
    static CAudio4Engine* NewL( CAudio4Ui& aAppUi);
    static CAudio4Engine* NewLC(CAudio4Ui& aAppUi);
    ~CAudio4Engine();

public:
    void PlayL();
    void StopL();
    void UpdateMenu(CEikMenuPane* aMenuPane);

private:
    CAudio4Engine(CAudio4Ui& aAppUi);
    void ConstructL();

public: // from MMdaAudioToneObserver
	void MatoPrepareComplete(TInt aError);
	void MatoPlayComplete(TInt aError);

private:
    enum TState
        {
        ENotReady,
        EReady,
        EPlaying
        };
    
    TState iState;
    CMdaAudioToneUtility* iUtility;
	CAudio4Ui& iAppUi;
    };




#endif // __Audio4ENG_H__