s60btlabappview.h

S60培训教材代码(连载)

/*
* ============================================================================
*  Name     : CS60BTLabAppView from CS60BTLabAppView.h
*  Part of  : S60BTLab
*  Created  : 10/14/2002 by 
*  Description:
*     Declares view for application.
*  Version  :
*  Copyright: 
* ============================================================================
*/

#ifndef S60BTLABAPPVIEW_H
#define S60BTLABAPPVIEW_H

// INCLUDES
#include <coecntrl.h>
#include <eikenv.h>
#include <e32std.h>
#include <f32file.h>

#include "Log.h"
#include "BTHostNotify.h"
#include "BTClientNotify.h"

   
// FORWARD DECLARATIONS
class CSprite;
class CBTConnectionHost;
class CBTConnectionClient;
class CAknWaitDialog;

// CLASS DECLARATION

/**
*  CS60BTLabAppView  view class.
*  
*/
class CS60BTLabAppView : public CCoeControl, 
                         public MLog, 
                         public MBTHostNotify, 
                         public MBTClientNotify
    {
    public:
       /*!
      @function NewL
   
      @discussion Create a CS60BTLabAppView object
      @param aRect the rectangle this view will be drawn to
      @result a pointer to the created instance of CS60BTLabAppView
      */
        static CS60BTLabAppView* NewL(const TRect& aRect);

    /*!
      @function NewLC
   
      @discussion Create a CS60BTLabAppView object
      @param aRect the rectangle this view will be drawn to
      @result a pointer to the created instance of CS60BTLabAppView
      */
        static CS60BTLabAppView* NewLC(const TRect& aRect);

    /*!
      @function ~CS60BTLabAppView  
      @discussion Destroy the object and release all memory objects
      */
         ~CS60BTLabAppView();

    public: //new functions

	    /*!
	      @function StartHost
	      @discussion Starts game as a host
	      */
        void StartHostL();

	    /*!
	      @function StartClient
	      @discussion Starts game as a client
	      */
	    void StartClientL();

	    /*!
	      @function EndGame  
	      @discussion Ends the 2 player game and 
	      */
	    void EndGameL();

	    /*!
	      @function SendPositionsToClientL
	      @discussion Sends sprite positions to the client and 
                      waits for user input data from the client
	      */
        void SendPositionsToClientL();

    public: // MLog overrides

    /*!
      @function LogL
  
      @discussion Add an entry to the log. Not Yet Implemented!
      @param aText the text of the entry
      */
        void LogL(const TDesC8& aText);

    /*!
      @function LogL
  
      @discussion Add an entry to the log. Not Yet Implemented!
      @param aText the text of the entry
      @param aExtraText extra text to append onto the entry
      */
        void LogL(const TDesC8& aText, const TDesC8& aExtraText);

    /*!
      @function LogL
  
      @discussion Add an entry to the log. Not Yet Implemented!
      @param aText the text of the entry
      @param aNumber a number to append onto the entry
      */
        void LogL(const TDesC8& aText, TInt aNumber);

    public: // MBTHostNotify overrides
    /*!
      @function ClientConnected
  
      @discussion called on the host device when a client connects to the host
      @param aError the status code of the connection
      */
        void ClientConnected(TInt aError);

    /*!
      @function ClientDataRead
  
      @discussion called on host device when data is read from the client.
      @param aData the data received
      */
        void ClientDataRead(const TDesC8& aData);

    /*!
      @function ClientDisconnected
  
      @discussion called on host device when the connection with the client is broken
      @param aError the status code of the disconnection
      */
        void ClientDisconnected(TInt aError);

    public: // MBTClientNotify overrides
    /*!
      @function HostConnected
  
      @discussion called on the client device when the client connects to the host
      @param aError the status code of the connection
      */
        void HostConnected(TInt aError);

    /*!
      @function HostDataRead
  
      @discussion called on client device when data is read from the host.
      @param aData the data received
      */
        void HostDataRead(const TDesC8& aData);

    /*!
      @function HostDisconnected
  
      @discussion called on client device when the connection with the host is broken
      @param aError the status code of the disconnection
      */
        void HostDisconnected(TInt aError);


    private: 
	    // Functions from base class
        /**
        * From CCoeControl,Draw.
        */
        void Draw(const TRect& aRect) const;

    private:
	    /*!
	    @function ConstructL  
	    @discussion  Perform the second phase construction of a CGraphicsAppView object
	    @param aRect the rectangle this view will be drawn to
	    */
	    void ConstructL(const TRect& aRect);

	    /*!
	     @function CGraphicsAppView
  	    @discussion Perform the first phase of two phase construction 
	    */
	    CS60BTLabAppView();
		    
    private: //new functions

	    /*!
	      @function UpdateScreen  
	      @discussion Called by period task static function
	      */
	    void UpdateScreen();

	    /*!
	      @function SetSpritePositions  
	      @discussion sets the postions of the sprites based on the data read from the host
	      @param aData - the data read from the host
	      */
        void SetSpritePositions(const TDesC8& aData);
	    /*!
	      @function Period  
	      @discussion Call back function for a periodic timer
	      @param aPtr a parameter passed to the timer when the timer is started
	      */
	    static TInt Period(TAny* aPtr);

	    /*!
	      @function UpdateDisplay  
	      @discussion Perfom the drawing, does not activate the GC
	      */
	    void UpdateDisplay() const;

	    /*!
	      @function SetUpSpritesL  
	      @discussion Initialise the objects being drawn
	      */
	    void SetUpSpritesL();

    public:
	    // key event handling
	    TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);

    private:
	    // data 

	    /** background bitmap */
	    CFbsBitmap* iBackground;
	    /** player "ball" image */
	    CFbsBitmap* iBallImage;
	    /** player "ball" mask */
	    CFbsBitmap* iBallMask;
	    /** other "ball" image */
	    CFbsBitmap* iOtherBallImage;
	    /** other "ball" mask */
	    CFbsBitmap* iOtherBallMask;
		    
	    /** off screen bitmap */
	    CFbsBitmap* iOffScreenBitmap;
	    /** off screen bitmap device */
	    CFbsBitmapDevice* iOffScreenBitmapDevice;
	    /** off screen bitmap gc */
	    CFbsBitGc* iOffScreenBitmapGc;

	    /** player ball sprite */
	    CSprite* iMySprite;

        // Other player's ball
	    CSprite* iOtherSprite;

	    /** screen (pixel) coordinate where text display begins */ 
	    TPoint iTextDisplay;

	    /** font for writing text to screen */
	    CFont* iFont;

        // Bluetooth connectivity stuff
        CBTConnectionHost*      iServer;
        CBTConnectionClient*    iClient;
        CAknWaitDialog*         iWaitNote;

        enum TKeyPress {ENoKey, ELeftArrow, ERightArrow, EUpArrow, EDownArrow};
        TKeyPress iKeyPressed;
       
        RFile   iDebugLogFile;
        RFs     iDebugLogFs;
    };

#endif

// End of File