balldocument.h

symbian中活动对象的一个例子

/* Copyright (c) 2008, Nokia. All rights reserved */

#ifndef __BALL_DOCUMENT_H__
#define __BALL_DOCUMENT_H__


#include <akndoc.h>

class CBallAppUi;
class CEikApplication;


/*! 
  @class CBallDocument
  
  @discussion An instance of class CBallDocument is the Document part of the AVKON
  application framework for the Ball example application
  */
class CBallDocument : public CAknDocument
    {
public:

/*!
  @function NewL
  
  @discussion Construct a CBallDocument for the AVKON application aApp 
  using two phase construction, and return a pointer to the created object
  @param aApp Application creating this document
  @result A pointer to the created instance of CBallDocument
  */
    static CBallDocument* NewL(CEikApplication& aApp);

/*!
  @function NewLC
  
  @discussion Construct a CBallDocument for the AVKON application aApp 
  using two phase construction, and return a pointer to the created object
  @param aApp Application creating this document
  @result A pointer to the created instance of CBallDocument
  */
    static CBallDocument* NewLC(CEikApplication& aApp);

/*!
  @function ~CBallDocument
  
  @discussion Destroy the object
  */
    ~CBallDocument();

public: // from CAknDocument
/*!
  @function CreateAppUiL 
  
  @discussion Create a CBallAppUi object and return a pointer to it
  @result A pointer to the created instance of the AppUi created
  */
    CEikAppUi* CreateAppUiL();

private:

/*!
  @function ConstructL
  
  @discussion Perform the second phase construction of a CBallDocument object
  */
    void ConstructL();

/*!
  @function CBallDocument
  
  @discussion Perform the first phase of two phase construction 
  @param aApp Application creating this document
  */
    CBallDocument(CEikApplication& aApp);
    };


#endif // __BALL_DOCUMENT_H__