/*

* Copyright (c) 2008-2010 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:  

*

*/

#ifndef C_CCCHUICONNECTIONHANDLER_H

#define C_CCCHUICONNECTIONHANDLER_H

#include <e32base.h>

#include <e32const.h>

#include <rconnmon.h>

#include <cmmanagerext.h>

#include <wlanmgmtcommon.h> // TWlanConnectionSecurityMode

#include <cmpluginwlandef.h>

#include "cchuicommon.hrh"

#include "mcchuitimerobserver.h"

class CCchUiCchHandler;

class CCchUiSpsHandler;

class RCmDestinationExt;

class CmConnectionMethodExt;

class CConnectionUiUtilities;

/**

 * Connection Handler.

 * This class implements the creation and altering of connections and SNAPs.

 *

 * @code

 *  // Create CCH handler and SPS handler and give them as parameters when

 *  // you create Connection  handler.

 *  iCCHHandler = CCchUiCchHandler::NewL();    

 *  iSpsHandler = CCchUiSpsHandler::NewL();

 *  iConnectionHandler = CCchUiConnectionHandler::NewL( 

 *       *iCCHHandler, *iSpsHandler );

 * @endcode

 *

 * @lib cchui.lib

 * @since S60 5.0

 */

NONSHARABLE_CLASS( CCchUiConnectionHandler ): public CBase

    {

public:

    /**

     * Two-phased constructor.

     *

     * @param aCchUiCchHandler CCH handler reference.

     * @param aSpsHandler Service settings handler reference.

     */

    static CCchUiConnectionHandler* NewL(

        CCchUiCchHandler& aCchUiCchHandler,

        CCchUiSpsHandler& aSpsHandler );

    /**

     * Two-phased constructor.

     *

     * @param aCchUiCchHandler CCH handler reference.

     * @param aSpsHandler Service settings handler reference.

     */

    static CCchUiConnectionHandler* NewLC(

        CCchUiCchHandler& aCchUiCchHandler,

        CCchUiSpsHandler& aSpsHandler );

    /**

     * Destructor.

     */

    virtual ~CCchUiConnectionHandler();

    /**

     * Displays a dialog to select one wlan access point from all

     * available and adds access point to snap (creates snap if

     * it doesn't exist).

     *

     * @since S60 5.0

     * @param aServiceId Service id.

     * @param aSnapId Snap id of the service. Snap is verified before use.

     * @param aServiceName Service name (used as snap name if needed)

     */

    void SearchAccessPointsL(

        TUint aServiceId, 

        TUint32 aSnapId, 

        const TDesC& aServiceName );

    /**

     * Copies iap from specific SNAP to another.

     *

     * @since S60 5.0

     * @param aServiceId service id

     * @param aServiceName service name

     * @param aSourceIap source IAP

     * @param aTargetSnap target SNAP

     */         

    void CopyIapToServiceSnapL( 

        TUint aServiceId,

        const TDesC& aServiceName,

        TUint32 aSourceIap, 

        TUint32 aTargetSnap );

    /**

     * Removes connection from specific service´s SNAP.

     *

     * @since S60 5.0

     * @param aServiceName service´s name

     * @param aIapId access point id to be removed

     */            

    void RemoveConnectionL( const TDesC& aServiceName, TInt aIapId );

    /**

     * Returns ETrue if wlan search (query) is ongoing.

     *

     * @since S60 5.0

     * @return ETrue if wlan search ongoing.

     */ 

    TBool SearchWlanOngoing();

private:

    CCchUiConnectionHandler(

        CCchUiCchHandler& aCchUiCchHandler,

        CCchUiSpsHandler& aSpsHandler );

    void ConstructL();

    /**

     * Checks if connection method already exists.

     *

     * @since S60 5.0

     * @param aDestination Target destination.

     * @param aSsid SSID of the connection method.

     * @param aSecurityMode Security mode of the candidate.

     * @param aAlreadyExists If access point already exists, this is ETrue.

     * @param aHidden Is candidate hidden or not.

     * @return TInt Iap id of the new connection method or KErrNotFound.

     */

    TInt ConnectionMethodAlreadyExistsL( 

        RCmDestinationExt& aDestination, 

        const TDesC& aSsid, 

        CMManager::TWlanSecMode aSecurityMode,

        TBool& aAlreadyExists,

        TBool aHidden );

    /**

     * Checks if connection method already exists.

     *

     * @since S60 9.2

     * @param aIapId internet accespoint ID.

     * @param aTargetSnap target destination.

     * @return ETrue if exists.

     */

    TBool ConnectionMethodAlreadyExistsL(

        TUint32 aIapId, RCmDestinationExt& aTargetSnap ) const;

    /**

     * Adds new connection method to snap.

     *

     * @since S60 5.0

     * @param aDestination Target destination.

     * @param aSsid SSID of the connection method.

     * @param aSecurityMode Security mode of the connection method.

     * @param aAlreadyExists If access point already exists, this is ETrue.

     * @param aSetHidden Set iap hidden.

     * @return TInt Iap id of the new connection method or old

     *         if already existed.

     */

    TInt AddNewConnectionMethodL( 

        RCmDestinationExt& aDestination,

        const TDesC& aSsid,

        TWlanConnectionSecurityMode aSecurityMode,

        TBool& aAlreadyExists,

        TBool aSetHidden );

    /**

     * Saves security settings to created connection method.

     *

     * @since S60 5.0

     * @param aSecMode Security mode.

     * @param aKey Key.

     * @param aHex Use hex.

     * @param aIapId Iap id.

     */

    void SaveSecuritySettingsL(

        const TWlanConnectionSecurityMode aSecMode, 

        const HBufC* aKey, 

        const TBool aHex, 

        const TUint32 aIapId );

    /**

     * Sets specific SNAP in use for specific service.

     *

     * @since S60 5.0

     * @param aServiceId Service id of the service to be handled.

     * @param aSNAPId Snap id to set.

     */

    void SetSnapToUseL( 

        TUint aServiceId, 

        TUint32 aSNAPId );    

    /**

     * Creates SNAP for service. Ownership is passed.

     *

     * @since S60 5.0

     * @param aServiceName service name

     * @return Created destination, ownership is passed.

     */            

    RCmDestinationExt CreateServiceSnapL( 

        const TDesC& aServiceName );

private: // data

    /**

     * Reference to CCH handler.

     * Not own.

     */

    CCchUiCchHandler& iCCHHandler;

    /**

     * Reference to service settings handler.

     * Not own.

     */

    CCchUiSpsHandler& iSpsHandler;

    /**

     * Pointer to connection ui utilities.

     * Own.

     */

    CConnectionUiUtilities* iConnUiUtils;

    /**

     * Handle to connection method manager.

     * Own.

     */

    RCmManagerExt iCmManagerExt;

    /**

     * Handle to connection monitor. Required to resolve hidden/public status.

     * Own.

     */

    RConnectionMonitor iConnMon;

    /**

     * Flag for determining if search wlan search (query) is ongoing

     */

    TBool iSearchWlanOngoing;

    CCHUI_UNIT_TEST( UT_CchUi )

    };

#endif // C_CCCHUICONNECTIONHANDLER_H