?? playeradapter.h
字號:
/* Copyright (c) 2004, Nokia. All rights reserved */
#ifndef __CPLAYERADAPTER_H__
#define __CPLAYERADAPTER_H__
// INCLUDES
#include <MdaAudioSamplePlayer.h>
#include "audioadapter.h"
// FORWARD DECLARATIONS
class CSoundAppUi;
// CLASS DECLARATION
/*
* An instance of class CPlayerAdapter is an adapter object for
* the CMdaAudioPlayerUtility class.
*/
class CPlayerAdapter : public CBase,
public MAudioAdapter,
public MMdaAudioPlayerCallback
{
public:
/**
* NewL
* Two-phased constructor.
* Create a CPlayerAdapter object using two phase construction,
* and return a pointer to the created object
* @param aFileName the audio file
* @param aAppUi the User Interface
* @return pointer to new object
*/
static CPlayerAdapter* NewL( const TDesC& aFileName,
CSoundAppUi& aAppUi );
/**
* NewLC
* Two-phased constructor.
* Create a CPlayerAdapter object using two phase construction,
* and return a pointer to the created object
* @param aFileName the audio file
* @param aAppUi the User Interface
* @return pointer to new object
*/
static CPlayerAdapter* NewLC( const TDesC& aFileName,
CSoundAppUi& aAppUi );
/**
* ~CPlayerAdapter.
* Virtual Destructor.
*/
virtual ~CPlayerAdapter();
public: // from MAudioAdapter
/**
* PlayL
* Begin playback of the audio sample.
*/
void PlayL();
/**
* RecordL
* Do nothing. Recording is not supported.
*/
void RecordL();
/**
* StopL
* Stop playback of the audio sample.
* Note that this implementation of the virtual function does not leave.
*/
void StopL();
/**
* UpdateMenuL
* Update the menu aMenuPane to reflect the current state of the
* audio player utility. Note that this implementation of the
* virtual function does not leave.
* @param aMenuPane the menu pane to update
*/
void UpdateMenuL( CEikMenuPane* aMenuPane );
/**
* Identify
* Return an identifying string
* @return An identification string
*/
const TDesC& Identify();
public: // from MMdaAudioPlayerCallback
/**
* MapcInitComplete
* Handle the event when initialisation of
* the audio player utility is complete.
* @param aError The status of the audio sample after initialisation
* @param aDuration The duration of the sample
*/
void MapcInitComplete( TInt aError,
const TTimeIntervalMicroSeconds& aDuration );
/**
* MapcPlayComplete
* Handle the event when when the audio player utility
* completes asynchronous playing.
* @param aError The status of playback
*/
void MapcPlayComplete( TInt aError );
private: // Constructors
/**
* CPlayerAdapter.
* C++ default constructor.
* Perform the first phase of two phase construction
* @param aAppUi the Ui to use
*/
CPlayerAdapter( CSoundAppUi& aAppUi );
/**
* ConstructL
* 2nd phase constructor.
* @param aFileName the audio file
*/
void ConstructL( const TDesC& aFileName );
private: // Data
/**
* TState
* The application state
* - ENotReady Not ready to play
* - EReadyToPlay Ready to play
* - EPlaying Playing
*/
enum TState
{
ENotReady,
EReadyToPlay,
EPlaying
};
/** iState The current state of the audio player utility. **/
TState iState;
/**
* iMdaAudioPlayerUtility. The audio player utility object.
* owned by CPlayerAdapter object.
*/
CMdaAudioPlayerUtility* iMdaAudioPlayerUtility;
/** iAppUi Reference to the application's UI object. **/
CSoundAppUi& iAppUi;
/**
* itextResourceIdentifier. Textresource for identifier
* owned by CPlayerAdapter object.
*/
HBufC* itextResourceIdentifier;
};
#endif // __CPLAYERADAPTER_H__
// End of File
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -