/*

* Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: Declaration of class CWPASecuritySettingsImpl.  

*

*/

#ifndef WPASECURITYSETTINGSIMPL_H

#define WPASECURITYSETTINGSIMPL_H

// INCLUDES

#include <e32base.h>

#include <WlanCdbCols.h>

#include <WPASecuritySettingsUI.h>

#include <metadatabase.h>

using namespace CommsDat;

// CONST DECLARATIONS

#define KWLANEAPLISTLENGTH 1024     // Max length of the EAP Plugin list

// FORWARD DECLARATIONS

class CCommsDatabase;

class CEAPPluginConfigurationIf;

// CLASS DECLARATION

/**

* WPA Security Settings.

* Implementation behind proxy class CWPASecuritySettings.

*/

NONSHARABLE_CLASS( CWPASecuritySettingsImpl ) : public CBase

    {

    public:     // Constructors and destructor

        /**

        * Two-phased constructor. Leaves on failure.

        * @param aSecurityMode  The chosen security mode. It can be 

        *                       ESecurityMode8021x or ESecurityModeWpa

        * @return The constructed CWPASecuritySettings object.

        */

        static CWPASecuritySettingsImpl* NewL( TSecurityMode aSecurityMode );

        /**

        * Destructor.

        */

        virtual ~CWPASecuritySettingsImpl();

    protected:  // Constructors

        /**

        * Constructor.

        * @param aSecurityMode  The chosen security mode. It can be 

        *                       ESecurityMode8021x or ESecurityModeWpa

        */

        CWPASecuritySettingsImpl( TSecurityMode aSecurityMode );

        /**

        * Second-phase constructor.

        */

        void ConstructL();

    public:     // New methods

        /**

        * Load from database.

        * @param aIapId Wlan Service Table Id of the IAP to be loaded

        * @param aCommsDb Comms database.

        */

        void LoadL( TUint32 aIapId, CCommsDatabase& aCommsDb );

        /**

        * Save to database.

        * @param aIapId     Wlan Service Table Id of the IAP to be saved

        * @param aCommsDb   Comms database.

        * @param aTypeOfSaving	Tells what kind of AP we are going to save: it 

        *                       can be ESavingEditedAP, ESavingBrandNewAP, or 

        *                       ESavingNewAPAsACopy

        * @param aOldIapId  The old Id of the IAP; it is used to save the EAP 

        *                   configuration, only when aIsNewAP is ETrue

        */

        void SaveL( TUint32 aIapId, CCommsDatabase& aCommsDb, 

                    TTypeOfSaving aTypeOfSaving, TUint32 aOldIapId );

        /**

        * Delete from database. It actually just removes EAP Configuration.

        * @param aIapId Id of the IAP to be saved

        */

        void DeleteL( TUint32 aIapId );

        /**

        * Tells if the settings are valid and can be saved

        * @return ETrue if all the compulsory settings have been entered

        */

        TBool IsValid();

        /**

        * Sets the Pre-shared key

        * @param aPreSharedKey  The key to be set

        * @return KErrNone if successful, or an error code

        */

        TInt SetWPAPreSharedKey( const TDesC& aPreSharedKey );

        /**

        * Gets the type of Security set.

        * @return The security mode in use. It can be ESecurityMode8021x or

        *         ESecurityModeWpa

        */

        inline TSecurityMode SecurityMode() const;

        /**

        * Tells if Pre-shared key is in use or not

        * @return   ETrue if Pre-shared key is in use

        */

        inline TBool WPAMode() const;

        /**

        * Sets the use of Pre-shared key.

        * @param aWPAMode   ETrue if pre-shared key is in use

        */

        inline void SetWPAMode( const TBool aWPAMode );

        /**

        * Tells if it is WPA2 Only mode

        * @return ETrue if it is WPA2 Only mode

        */

        inline TBool Wpa2Only() const;

        /**

        * Sets the WPA2 Only mode enabling variable

        * @param aAllowed   ETrue if WPA2 Only mode is enabled

        */

        inline void SetWpa2Only( const TBool aAllowed );

        /**

        * Returns the Pre-shared key

        * @return The pre-shared key

        */

        inline TDes8* WPAPreSharedKey();

        /**

        * Sets the Pre-shared key

        * @param aPreSharedKey  The key to be set

        */

        inline void SetWPAPreSharedKey( const TDesC8& aPreSharedKey );

        /**

        * Returns the content of the WlanEapList column of WLANServiceTable

        * @return The content string

        */

        inline TDes* WPAEAPPlugin();

        /**

        * Returns the content of the WlanEnabledEapList column of 

        * WLANServiceTable

        * @return The content string. Ownership not passed!

        */

        inline HBufC8* WPAEnabledEAPPlugin();

        /**

        * Returns the content of the WlanDisabledEapList column of 

        * WLANServiceTable

        * @return The content string. Ownership not passed!

        */

        inline HBufC8* WPADisabledEAPPlugin();

        /**

        * Sets the content of the WlanEapList column of WLANServiceTable

        * @param aPluginList The content string to be set

        */

        inline void SetWPAEAPPlugin( const TDes& aPluginList );

        /**

        * Sets the content of the WlanEnabledEapList column of WLANServiceTable 

        * (for expanded EAP types)

        * @param aEnabledPluginList Enumeration of enabled plugins

        * @return KErrNone if successful, or an error code

        */

        TInt SetWPAEnabledEAPPlugin( const TDesC8& aEnabledPluginList );

        /**

        * Sets the content of the WlanDisabledEapList column of WLANServiceTable 

        * (for expanded EAP types)

        * @param aDisabledPluginList Enumeration of disabled plugins

        * @return KErrNone if successful, or an error code

        */

        TInt SetWPADisabledEAPPlugin( const TDesC8& aDisabledPluginList );

        /**

        * Sets the Id of the AP 

        * @param aIapId  The Id to be set

        */

        inline void SetIapId( const TUint32 aIapId );

        /**

        * Returns the Id of the AP 

        * @return The Id

        */

        inline const TUint32 IapId();

        /**

        * Returns the pointer to the EAP Configuration plugin

        * @return The EAP Configuration plugin

        */

        inline CEAPPluginConfigurationIf* Plugin();

        /**

        * Load from database.

        * @param aIapId Wlan Service Table Id of the IAP to be loaded

        * @param aSession CommsDat session.

        */

        void LoadL( TUint32 aIapId, CMDBSession& aSession );

        /**

        * Save to database.

        * @param aIapId     Wlan Service Table Id of the IAP to be saved

        * @param aSession   CommsDat session.

        * @param aTypeOfSaving	Tells what kind of AP we are going to save: it 

        *                       can be ESavingEditedAP, ESavingBrandNewAP, or 

        *                       ESavingNewAPAsACopy

        * @param aOldIapId  The old Id of the IAP; it is used to save the EAP 

        *                   configuration, only when aIsNewAP is ETrue

        */

        void SaveL( TUint32 aIapId, CMDBSession& aSession, 

                    TTypeOfSaving aTypeOfSaving, TUint32 aOldIapId );

    private:

        /**

        * Checks whether the given string is a valid PSK

        * @since S60 5.0

        * @param aPsk The string to be checked

        * @return ETrue if the string is a valid PSK, EFalse otherwise.

        */

        TBool IsValidPsk( const TDesC8& aPsk );

    private:    // Data 

        // Security mode in use

        TSecurityMode iSecurityMode;

        // Pre-shared key in use or not

        TBool iWPAMode;

        // The content of the WlanEapList column of WLANServiceTable

        TBuf<KWLANEAPLISTLENGTH> iWPAEAPPlugin;

        // The pre-shared key

        TBuf8<KWlanWpaPskLength> iWPAPreSharedKey;

        // The content of the WlanEnabledEapList column of WLANServiceTable.

        // Owned.

        HBufC8 *iWPAEnabledEAPPlugin;

        // The content of the WlanDisabledEapList column of WLANServiceTable.

        // Owned.

        HBufC8 *iWPADisabledEAPPlugin;        

        // WPA2 Only mode enabled or not

        TBool iWpa2Only;

        // The Id of the AP.

        TUint32 iIapId;

        // The EAP Configuration plugin. Owned.

        CEAPPluginConfigurationIf* iPlugin;

    };

// Include inline functions

#include "WPASecuritySettingsImpl.inl"

#endif