/*

* Copyright (c) 2008-2009 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: Handles displaying wlan related dialogs

*

*/

#ifndef MPMWLANQUERYDIALOG_H

#define MPMWLANQUERYDIALOG_H

#include <e32std.h>

#include <wdbifwlansettings.h> //for struct

#include <ConnectionUiUtilities.h>

#include <wifiprotuiclient.h>

#include <wifiprotreturn.h>

#include "mpmcommsdataccess.h"

// ID of Easy Wep dialog

const TUid KUidEasyWepDlg = { 0x101FD673 };

// ID of Easy Wpa dialog

const TUid KUidEasyWpaDlg = { 0x101FD674 };

// ID of OfflineWlanNote dialog

const TUid KUidCOfflineWlanNoteDlg = { 0x101FD671 };

/**

 * This structure is copied from ConnectionUiUtilitiesCommon.h,

 * but given here a different name.

 * Defines preferences of the Wlan Network

 */

class TMpmWlanNetworkPrefs

    {

public:

    TWlanSsid                           iSsId;        ///< Ssid of Wlan network

    TWlanConnectionMode                 iNetworkMode; ///< mode of Wlan network

    TWlanConnectionSecurityMode         iSecMode;     ///< Security mode of Wlan network

    TBool                               iProtectedSetupSupported; 

                                        ///< Wlan network supports Protected Setup

    };

const TInt KEasyWepQuery256BitMaxLength = 58;

class TWlanAgtWepKeyData

    {

public:

    TBuf< KEasyWepQuery256BitMaxLength > iKey;

    TBool iHex;

    };

class CMPMIapSelection;

/**

 *  Handles displaying wlan related dialogs

 *

 *  @lib mpmserver.exe

 *  @since S60 v3.2

 */

class CMPMWlanQueryDialog : public CActive

    {

enum TWlanQueryState

    {

    EOffline,

    EWlanNetwork,

    EWepSettings,

    EWpaSettings, 

    EWPS,

    ERetrySettingsStorage

    };

public:

    static CMPMWlanQueryDialog* NewL( CMPMIapSelection&  aSession,

                                      TUint32            aSelectedWlanIap );

    /**

    * Destructor.

    */

    virtual ~CMPMWlanQueryDialog();

public: // Functions from base classes

        /**

        * From CActive. Cancels UI dialogs.

        * @since 3.2

        */        

        void DoCancel();

        /**

        * From CActive. Run when UI dialog finished.

        * @since 3.2

        */               

        void RunL();

        /**

        * From CActive. Run if RunL leaves.

        * @since 3.2

        * @param aError Error that caused leave.

        * @return KErrNone

        */

        TInt RunError( TInt aError );

public:

        /**

        * Starts displaying wlan dialogs if necessary

        * @since 3.2

        */

        void StartWlanQueryL();

        /**

        * Stores user defined easy wlan parameters to commsdat

        * if easy wlan has been selected.

        *

        * @since 3.2

        */

        void StoreEasyWlanSelectionL();

private:

        /**

         * Propagates wlan network selection as an initial value for the dialog,

         * Used if there are several dialogs queued.

         *

         * @param aWlanIapId     Selected WLAN IAP

         * @param aDialogStatus  Status of the dialog when destroyed.

         * @since 3.2

         */

        void OfferInformation( TUint32 aWlanIapId, 

                               TInt aDialogStatus );

        CMPMWlanQueryDialog( CMPMIapSelection&  aSession,

                             TUint32            aSelectedWlanIap );

        void ConstructL();

        /**

        * Gets Easy Wlan data from member variables and stores 

        * it to arguments

        *

        * @since 9.1

        * @param aSsid Wlan iap ssid, stored in used ssid field

        * @param aSecMode Wlan iap security mode

        * @param aConnMode Wlan iap connection mode

        * @param aWepKeyData Wlan iap wep key data

        * @param aEnableWpaPsk Wlan iap enable psk mode

        * @param aWpaPsk Wlan iap wpa psk

        * @param aWpaKeyLen Wlan iap wpa key length

        */

        void GetEasyWlanDataL( TWlanSsid&    aSsid,

                               TUint&        aSecMode,

                               TWlanNetMode& aConnMode,

                               TWepKeyData&  aWepKeyData, 

                               TUint&        aEnableWpaPsk,

                               TDes8&        aWpaPsk,

                               TUint&        aWpaKeyLen  );

        /**

        * Maps TWlanConnectionSecurityMode to security mode stored in CommsDat

        *

        * @since 9.1

        * @param aConnSecmode Security mode in TWlanConnectionSecurityMode format

        * @param aCommsdatSecMode returned security mode value in CommsDat format

        */

        TInt ConnSecModeToCommsDatSecMode( TWlanConnectionSecurityMode aConnSecmode,

                                           TUint& aCommsdatSecMode ) const;

        /**

        * Maps TWlanIapSecurityMode to security mode stored in CommsDat

        *

        * @since 9.1

        * @param aConnSecmode Security mode in TWlanIapSecurityMode format

        * @param aCommsdatSecMode returned security mode value in CommsDat format

        */

        TInt IapSecModeToCommsDatSecMode( TWlanIapSecurityMode aConnSecmode,

                                          TUint& aCommsdatSecMode ) const;

        /**

        * Gets Easy Wlan data from member variables when WPS has been used 

        * and stores it to arguments

        *

        * @since 9.1

        * @param aSsid Wlan iap ssid, stored in used ssid field

        * @param aSecMode Wlan iap security mode

        * @param aConnMode Wlan iap connection mode

        * @param aWepKeyData WEP key data

        * @param aEnableWpaPsk Wlan iap enable psk mode

        * @param aWpaPsk Wlan iap wpa psk

        * @param aWpaKeyLen Wlan iap wpa key length

        */

        void GetEasyWlanDataForWpsL( TWlanSsid&    aSsid,

                                     TUint&        aSecMode,

                                     TWlanNetMode& aConnMode,

                                     TWepKeyData&  aWepKeyData, 

                                     TUint&        aEnableWpaPsk,

                                     TDes8&        aWpaPsk,

                                     TUint&        aWpaKeyLen  );

        /**

        * Starts WPS dialog and sets the active object active.

        *

        * @since 9.1

        */

        void StartWpsDlgL();

        /**

        * Determines whether WEP key is hex format based on the length

        *

        * @since 9.1

        * @param aLength 

        * @return ETrue if format is hex, otherwise EFalse

        */

        TBool IsWepFormatHexL( TInt aLength ) const;

        /**

        * Get the network preferences using ConnectionUiUtilities API.

        *

        * @since 5.1

        */

        void GetNetworkPrefs();

private: // data

        // Reference to iap selection object

        CMPMIapSelection& iIapSelection;

        // Stores data for offline note

        TPckgBuf<TBool> iOfflineReply;

        // Stores data for wlan network guery

        TPckgBuf<TMpmWlanNetworkPrefs> iNetworkPrefs;

        // Stores data for wep query

        TPckgBuf<TWlanAgtWepKeyData> iNotifWep;

        // Stores data for wpa query

        TPckgBuf< TBuf< KWLMMaxWpaPskLength > > iNotifWpaKey;

        //Interfce to Notifier

        RNotifier iNotifier;

        //State of querying Wlan settings

        TWlanQueryState iWlanQueryState;

        // selected wlan iap id

        TUint32 iWlanIapId;

        // ETrue if user has selected easy wlan

        TBool iEasyWlanSelected;

        // Flag that can be used to cancel the dialog startup based on earlier dialog

        TInt iOverrideStatus;

        // Connection Ui Utilities pointer

        CConnectionUiUtilities* iConnUiUtils;

        // Contains WLAN settings received through WPS

        TWlanProtectedSetupCredentialAttribute iWpsAttribute;

        // WPS client pointer for displaying WPS dialogs

        CWiFiProtUiClient* iWps;

        // Contains WPS return value

        WiFiProt::TWiFiReturn iWpsReturn;

        // True if wps has been completed. 

        TBool iWpsCompleted;

        // Retry count

        TUint32 iRetryCount;

        // Retry timer

        RTimer iTimer;

    };

#endif // MPMWLANQUERYDIALOG_H