/*

* Copyright (c) 2007-2008 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:  Class header for TWsfAiController

*

*/

#ifndef T_WSFAICONTROLLER_H

#define T_WSFAICONTROLLER_H

//  EXTERNAL INCLUDES

#include <e32def.h>

#include <e32property.h>

//  INTERNAL INCLUDES

#include "wsfwlaninfo.h"

#include "wsfstatechangeobserver.h"

#include "wsfmodelobserver.h"

//  FORWARD DECLARATIONS

class CWsfModel;

class CWsfAiModel;

class MWsfAiUiObserver;

class TWsfWlanInfo;

class CWsfWlanInfoArray;

class CWsfDbObserver;

/**

 *  The controller class of the component. All functionality is reached

 *  through this class and all needed events are observed by this.

 *

 *  @lib wsfaiplugin.lib

 *  @since S60 v5.0

 */

NONSHARABLE_CLASS( TWsfAiController ): public MWsfStateChangeObserver,

                                       public MWsfModelObserver

    {

    public:     // Constructors

        /**

        * Default C++ constructor 

        * @since S60 5.0 

        */

        TWsfAiController();

    public:     // New methods

        /**

         * DeInitialization for this class 

         */

        void DeInitializeL();

        /**

        * PreInitialization for this class (set the models references)

        * @since S60 5.0

        * @param aModel appicaton level model reference

        * @param aAiModel model reference of AiPlugin

        */

        void InitializeL( CWsfModel* aModel, CWsfAiModel* aAiModel,

        		           CWsfDbObserver* aObserver );

        /**

        * Set the UI for the controller

        * @since S60 5.0

        * @param aUi reference to AiPlugin UI control

        */

        void SetUi( MWsfAiUiObserver& aUi );

        /**

        * Handles keypresses coming from container

        * @since S60 5.0

        */

        void HandleSelectionKeyL();

        /**

        * Start the sequential scanning for wlans

        * @since S60 5.0

        */ 

        void EnableScanL();

        /**

        * Stop the sequential scanning for wlans

        * @since S60 5.0

        */ 

        void DisableScanL();

        /**

         * Propagates the connected network data from the sniffer model

         * to the AI model

         * @since S60 5.0

         */

        void StartupRefreshL();

        /**

        * Dismisses the AI menu/other dialogs if there was any open

        * @since S60 5.0

        */

        void DismissDialogsL();

        /**

        * Refreshes the refreshing icon

        * @since S60 5.0

        */

        void RefreshRefreshingL();

        /**

        * Refreshes the connecting icon

        * @since S60 5.2

        */

        void RefreshConnectingL();

    public:     // From MWsfStateChangeObserver

        /**

        * The current wlan data has changed and it is ready to be retrieved

        * @since S60 5.0

        */

        void WlanListChangedL();

        /**

        * Engine error occured

        * @since S60 5.0

        * @param aError System wide error code

        */

        void NotifyEngineError( TInt aError );

        /**

        * Scanning has been disabled

        * @since S60 5.0

        */

        void ScanDisabledL();

        /**

        * Scanning has been enabled

        * @since S60 5.0

        */

        void ScanEnabledL();

        /**

        * A WLAN connection has been established

        * @since S60 5.0

        * @param aAccesspointName The name of the active connection

        */

        void WlanConnectionActivatedL( const TDesC& aAccessPointName );

        /**

        * A WLAN connection has been closed

        * @since S60 5.0

        */

        void WlanConnectionClosedL();

        /**

        * Connection creation process finished

        * @since S60 5.2

        * @param aError System wide error code

        */

        void ConnectionCreationProcessFinishedL( TInt aError );

    public:     //From MWsfModelObserver

        /**

         * Called if the launch has been completed successfully

         * @since S60 5.0 

         */

        void BrowserLaunchCompleteL();

        /**

         * Called if the browser launch failed for some reason

         * @since S60 5.0 

         * @param aError error code

         */

        void BrowserLaunchFailed( TInt aError );

        /**

        * Called when the previously launched browser exits

        * @since S60 5.0

        */

        void BrowserExitL();

        /**

        * Notification that connection is going to be created

        * @since S60 5.0

        * @param aIapId The IAP id of the connection being created

        */

        void ConnectingL( TUint32 aIapId );

        /**

        * Notification that the connection creation process ended

        * @since S60 5.0

        * @param aResult The result of the connection creation

        */

        void ConnectingFinishedL( TInt aResult );

    private:

        /*

        * Start web browsing with the given wlaninfo

        * @since S60 5.0

        * @param aInfo Wlaninfo to connect with

        */ 

        void StartBrowsingL( TWsfWlanInfo& aInfo );

        /*

        * Start web browser with the given wlaninfo

        * @since S60 5.2

        * @param aInfo Wlaninfo to connect with

        */ 

        void StartWebBrowserL( TWsfWlanInfo& aInfo );

        /*

        * Connect to the given wlan

        * @since S60 5.0

        * @param aInfo Wlaninfo to connect with

        */ 

        void ConnectL( TWsfWlanInfo& aInfo, TBool aShoulConnectOnly );

        /**

        * Cleanup function to release connecting state

        * @param aPtr Pointer for this class

        */

        static void CleanUpConnectingL( TAny* aPtr );

        /**

        * Launches and helper application to create an accesspoint 

        * @since S60 5.2

        * @param aWlanInfo The WlanInfo object to be passed to the helper app

        */

        void LaunchAiHelperAppL( TWsfWlanInfo& aInfo );

        /*

        * Brings browser to the foreground

        * @since S60 5.0

        */

        void ContinueBrowsingL();

        /*

        * Launches a listquerydialog which holds all available wlans.

        * @since S60 5.0

        * @param aInfo The wlaninfo resulting from the selection if 

        *              no error/cancellation occured 

        * @return ETrue if a valid network was selected, EFalse otherwise 

        */ 

        TBool LaunchSearchDialogL( TWsfWlanInfo& aInfo );

        /* 

        * Trapped routine of LaunchSearchDialogL

        * @param - aSelectedItem which list item was selected

        * @return - ETrue if connection should be made, otherwise EFalse 

        */

        TBool DoLaunchSearchDialogL( TInt& aSelectedItem );

        /*

        *  Refreshes the current ui when the ui changes

        */ 

        void RefreshUiL();

        /*

        *  Disconnect active wlan connections

        */ 

        void DisconnectL();

        /**

        * Handle error event

        * @since S60 5.0

        * @param aError System wide error code

        */

        void DoHandleEngineErrorL( TInt aError );

        /**

        * Checks whether the browser is using the currently active WLAN 

        * connection (if any)

        * @since S60 5.0

        * @return ETrue if there is a WLAN connection and browser is using it,

        *         EFalse otherwise

        */

        TBool IsWlanUsedByBrowserL();

        /**

        * Handle MSK if not connected

        * @since S60 5.0

        */

        void HandleMskIfOfflineL();

        /**

        * Handle MSK if connected to a WLAN

        * @since S60 5.0

        */

        void HandleMskIfConnectedL();

        /**

        * Handle MSK if connecting to a WLAN

        * @since S60 5.0

        */

        void HandleMskIfConnectingL();

        /**

        * Handle MSK if connected and browser is using the connection

        * @since S60 5.0

        */

        void HandleMskIfBrowsingL();

    private: // data

        TWsfWlanInfo iUsedInfo;

        /**

        * Reference to Wlan array

        */

        CWsfWlanInfoArray* iInfoArray;

        /**

        * Reference to Model

        */

        CWsfModel* iModel;

        /**

        * Reference to Active Idle plugin's Model

        */

        CWsfAiModel* iAiModel;

        /**

        * A pointer to active idle plugin ui control observer instance

        */

        MWsfAiUiObserver* iUi;

        /**

        * Cache of the connected WLAN data

        */

        TWsfWlanInfo iConnectedWlan;

        /**

        * The Database change observer

        */

        CWsfDbObserver* iDbObserver;

        /**

         * Indicates whether Connect or Start Web browsing was selected

         */

        TBool iShouldConnectOnly;

        /**

         * Indicates whether access point needs testing

         */

        TBool iTestAccessPoint;

    };

#endif      //  T_WSFAICONTROLLER_H

// End of file