/*

* Copyright (c) 2004,2006 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Implements the CAlwaysOnlineEComInterface interface

*

*/

#ifndef C_CAOSERVER_H

#define C_CAOSERVER_H

// INCLUDE FILES

#include <e32base.h>

#include <e32property.h>

#include "alwaysonconfig.hrh"

#include <rmmcustomapi.h>

#include "maostatecontext.h"

#include "maostatepool.h"

#include "maoconnectionmanagerobserver.h"

#include "taostate.h"

#include "maotimerobserver.h"

#include "maosettingsobserver.h"

#include "maoraumanagerobserver.h"

#include "maogpdsobserver.h"

#include "caoasyncwrapper.h"

#include "cenrepobserver.h"

// FORWARD DECLARATIONS

class CAOConnectionManager;

class CAOTimer;

class CAORAUManager;

class CAOSettings;

class CAOGpds;

class CAOCenRepObserver;

class MAOCenRepObserver;

/**

*  Always-On Server class.

*

*  @lib PDPContextManager2.lib

*  @since S60 v3.1

*/

NONSHARABLE_CLASS( CAOServer ):

    public CBase,

    public MAOStateContext,

    public MAOStatePool,

    public MAOConnectionManagerObserver,

    public MAOTimerObserver,

    public MAOSettingsObserver,

    public MAORAUManagerObserver,

    public MAOCenRepObserver

    {

public:    // Constructors & destructors

    /**

     * Two-phased constructor.

     *

     * @since S60 v3.1

     */

    static CAOServer* NewL();

    /**

     * Destructor

     *

     * @since S60 v3.1

     */

    virtual ~CAOServer();

private: // New methods

    /**

     * Default constructor.

     *

     * @since S60 v3.1

     */

    CAOServer();

    /**

     * Default Symbian second-phase constructor

     *

     * @since S60 v3.1

     */

    void ConstructL();

private: // New methods

    /**

     * Setup Always-On server

     *

     * @since S60 v3.1

     */

    void Setup();

    /**

     * Reactivation call back

     *

     * @since S60 v3.1

     * @param aSelf the caller

     */

    static TInt ReactivationCallBack( TAny* aSelf );

    /**

     * Handles reactivation

     *

     * @since S60 v3.1

     */

    void HandleReactivationL();

    /**

     * Does re-activation

     *

     * @since S60 v3.1

     * @param aReason reason of the failure

     */

    void DoReactivation( MAOConnectionManager::TFailureReason aReason );

    /**

     * PDP property observer

     *

     * @since S60 v3.1

     */

    void IssuePDPPropertySubscription();

    /**

     * PDP property observer

     *

     * @since S60 v3.1

     * @param aStatus TRequestStatus for asynchronus call 

     */

    void PDPPropertySubscriptionIssueRequest( TRequestStatus& aStatus );

    /**

     * PDP property observer

     *

     * @since S60 v3.1

     * @param aStatus result status of the returned asynchronus call

     */

    void PDPPropertySubscriptionRunL( TInt aStatus );

    /**

     * PDP property observer

     *

     * @since S60 v3.1

     */

    void PDPPropertySubscriptionDoCancel();

    /**

     * Releases PDP P&S property

     *

     * @since S60 v3.1

     */

    void ReleasePDPProperty();

    /**

     * Creates PDP preoperty and subscribes it

     *

     * @since S60 v3.1

     */

    void CreatePDPPropertyAndSubscribeL();

    /**

     * Setup call back

     *

     * @since S60 v3.1

     * @param aSelf the caller

     */

    static TInt SetupCallBack( TAny* aSelf );

    /**

     * Handles setup call back

     *

     * @since S60 v3.1

     */

    void HandleSetup();

    /**

     * Creates the StatePool and fills it with the States.

     *

     * @since S60 v3.2

     */

    void InitStatePoolL();

    /**

     * Configures Custom API

     *

     * @since S60 v3.1

     */

    void ConfigureCustomAPIL();

private: // From base class MAOStateContext

    /**

     * From MAOStateContext

     * Returns connection manager interface.

     *

     * @since S60 v3.1

     */

    MAOConnectionManager& ConnectionManager() const;

    /**

     * From MAOStateContext

     * Returns retry timer interface.

     *

     * @since S60 v3.1

     */

    MAOTimer& Timer() const;

    /**

     * From MAOStateContext

     * Returns RAU manager interface.

     *

     * @since S60 v3.1

     */

    MAORAUManager& RAUManager() const;

    /**

     * From MAOStateContext

     * Returns settings interface.

     *

     * @since S60 v3.1

     */

    MAOSettings& Settings() const;

    /**

     * From MAOStateContext

     * Returns GPDS interface.

     *

     * @since S60 v3.1

     */

    MAOGpds& Gpds() const;

private: // From base class MAOStatePool

    /**

     * From MAOStatePool

     * Changes to defined state.

     * New state is returned as a parameter.

     *

     * @since S60 v3.1

     * @param aState: New state

     */

    TAOState* ChangeState( TAOState::TAOStateName aState );

    /**

     * From MAOStatePool

     * Returns current state.

     *

     * @since S60 v3.1

     */

    TAOState* CurrentState() const;

private: // From base class MAOConnectionManagerObserver

    /**

     * From MAOConnectionManagerObserver

     * Succesful PDP context activation is notified

     * through this method.

     *

     * @since S60 v3.1

     */

    void HandlePDPContextActivatedL();

    /**

     * From MAOConnectionManagerObserver

     * PDP context activation failure is notified through

     * this method.

     *

     * @since S60 v3.1

     * @param aReason: Activation failure reason

     */

    void HandlePDPContextActivationFailedL(

        MAOConnectionManager::TFailureReason aReason );

    /**

     * From MAOConnectionManagerObserver

     * PDP context disconnection is notified through

     * this method.

     *

     * @since S60 v3.1

     * @param aReason: Disconnection reason

     */

    void HandlePDPContextDisconnectedL(

        MAOConnectionManager::TFailureReason aReason );

    /**

     * From MAOConnectionManagerObserver

     * PDP context temporary data transfer blocking notification

     * is recieved through this method.

     *

     * @since S60 v3.1

     */

    void HandlePDPContextTemporarilyBlockedL();

    /**

     * From MAOConnectionManagerObserver

     * Notifies network registration status changes.

     *

     * @since S60 v3.1

     * @param aNetworkRegistration: NW registration

     */

    void HandleNWRegistrationStatusChangedL(

        CTelephony::TRegistrationStatus aNetworkRegistration );

    /**

     * From MAOConnectionManagerObserver

     * Notifies from a deleted connection.

     *

     * @since S60 v3.1

     * @param aMyConnectionId connection id from connection monitor

     * @param aForward Tells whether message should be forwarded next layer

     */

    void HandleConnectionDeletedL( const TUint aConnectionId,

                                   const TBool aForward);

     /**

     * From MAOConnectionManagerObserver

     * ?

     *

     * @since S60 v3.1

     */

    void HandleExternalConnectionCreatedL();

    /**

     * From MAOConnectionManagerObserver

     *

     * @since S60 v3.2

     * @param aMyConnectionId connection id from connection monitor

     * @param aIapId iap id

     * @param anetId network id

     * @return void

     */

    void HandleInternalConnectionCreatedL( const TUint aConnectionId,

                                           const TUint aIapId, 

                                           const TUint aNetId );

    /**

     * From MAOConnectionManagerObserver

     * Notifies error if network registration status

     * is not received.

     *

     * @since S60 v3.1

     * @param aError: Error code

     */

    void HandleError( TInt aError );

private: // From base class MAOTimerObserver

    /**

     * From MAOTimerObserver

     * Handles retry timer expiration.

     *

     * @since S60 v3.1

     */

    void HandleRetryTimerExpiredL();

    /**

     * From MAOTimerObserver

     * Handles connection timer expiration.

     *

     * @since S60 v3.1

     */

    void HandleConnectionTimerExpiredL();

    /**

     * Handles unconnect timer expiration.

     *

     * @since 3.0

     */

    void HandleUnconnectTimerExpiredL();

private: // From base class MAOSettingsObserver

    /**

     * From MAOSettingsObserver

     * Method through setting changes are notified.

     *

     * @since S60 v3.1

     */

    void HandleSettingsChangedL();

private: // From base class MAORAUManagerObserver

    /**

     * From MAORAUManagerObserver

     * Succesfull RAU is notified through this method.

     *

     * @since S60 v3.1

     * @param aType: RAU type

     */

    void HandleSuccesfulRAUL( TRAUType aType );

private: // From base class MAOCenRepObserver

	  /**

     * From MAOCenRepObserver

     * a notification when Central Repository key 

     * KCRUidCmManager/ KCurrentCellularDataUsage changes.

     *

     * @since S60 5.1

     * @param aValue New key value

     */

    void CurrentCellularDataUsageChangedL( const TInt aValue );

private: // Data

    /**

     * Tel server

     */

    RTelServer iTelServer;

    /**

     * Mobile phone

     */

    RMobilePhone iMobilePhone;

    /**

     * Custom API

     */

    RMmCustomAPI iCustomAPI;

    /** 

     * Connection manager

     * Own

     */ 

    CAOConnectionManager* iConnectionManager;

    /** 

     * Retry timer

     * Own

     */ 

    CAOTimer* iTimer;

    /** 

     * RAU event manager

     * Own

     */ 

    CAORAUManager* iRAUManager;

    /** 

     * Settings

     * Own

     */ 

    CAOSettings* iSettings;

    /** 

     * GPDS interface

     * Own

     */ 

    CAOGpds* iGpds;

    /** 

     * States array

     */ 

    CArrayPtrFlat<TAOState>* iPointerStatePool;

    /** 

     * Async PDP context re-activation timer

     * Own

     */ 

    CPeriodic* iAsyncReactivation;

    /** 

     * Current disconnect / failure reason

     */ 

    MAOConnectionManager::TFailureReason iFailure;

    /** 

     * Current activation failure

     */ 

    TBool iActivationFailure;

    /** 

     * Current state

     * Not own

     */ 

    TAOState* iCurrentState;

    /** 

     * PDPProperty

     */ 

    RProperty iPDPProperty;

    /** 

     * PDP P&S property observer

     * Own

     */ 

    CAOAsyncWrapper<CAOServer>* iPDPPropertySubscriber;

    /** 

     * Timer setup

     * Own

     */ 

    CPeriodic* iAsyncSetup;

    /** 

     * Central repository key watcher

     * Own

     */ 

    CAOCenRepObserver* iCenRepObserver;

    };

#endif //C_CAOSERVER_H