iapconnectengine.h

Simple Jabber Client for Symbian Platform

/*
* ============================================================================
*  Name     : CIAPConnectEngine from IAPConnectEngine.h
*  Part of  : IAPConnect
*  Created  : 07.11.2002 
*  Description:
*     Declares Engine class for the application.
*  Version  : 1.0
*  Copyright: 
* ============================================================================
*/
#ifndef IAPCONNECTENGINE_H
#define IAPCONNECTENGINE_H

// INCLUDES
#include <e32base.h>
#include <nifman.h>

#include "IAPConnectStateObserver.h"

// FORWARD DECLARATIONS;
class CIntConnectionInitiator;
class CIAPConnectWaitDialog;
class CTextResolver;

// CONSTANTS
const TUint32 KUndefinedIAPid = 0x00;

// CLASS DECLARATION

/**
* CIAPConnectEngine  Controls the internet connection initiation and shutdown
*/
class CIAPConnectEngine : public CActive
{
public:

    enum TNifTimerState
        {
        ETimerEnabled,
        ETimerDisabled
        };

    // Createa a CIAPConnectEngine object
    static CIAPConnectEngine* NewL(MIAPConnectStateObserver* aObserver);

    // Creates a CIAPConnectEngine object and puts the pointer in to
    // the Cleanup Stack
    static CIAPConnectEngine* NewLC(MIAPConnectStateObserver* aObserver);

    // Destructor
    ~CIAPConnectEngine();
  
    // Creates a connection to IAP
    void ConnectL( TBool aRetry = EFalse );

    // Releases the connection
    void ReleaseL();

    // Terminates any active connection
    void TerminateConnectionL();

    // Sets connection preferences
    void SetConnectionPreferences(TInt aBearer, TBool aDialog, TUint32 aIapId=KUndefinedIAPid);

protected: // from CActive

    // Respond to events
    void RunL();

    // Cancels any outstanding requests
    void DoCancel();

private:

    // Constructor
    CIAPConnectEngine(MIAPConnectStateObserver* aObserver);

    // Second phase constructor
    void ConstructL();

    // Shows information note
    //void PrintNoteL(const TDesC& aNoteText);
    
    // Shows error message
    void PrintErrorL(const TDesC& aErrorText, TInt aErrorCode);
    
    // Shows termination query dialog and returns true/false
    TInt ShowQueryDialogL();

    // Checks if there is an active connection
    TInt IsDisconnected(TUint32& aIap);

private:

    RNif		iNif;
    TInt		iState;
    TInt		iNifTimerState;
    CCommsDbConnectionPrefTableView::TCommDbIapConnectionPref iPref;

    // Owns
    CIntConnectionInitiator*	iConnect;
    CIAPConnectWaitDialog*		iWaitDialog;
    CTextResolver*				iTextResolver;
    MIAPConnectStateObserver*	iObserver;    

public:
	TUint32						iIapId;
};


#endif // IAPCONNECTENGINE_H