/*

* Copyright (c) 2002 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 CBaseHandler.   

*      

*

*/

#ifndef BASE_HANDLER_H

#define BASE_HANDLER_H

// INCLUDES

#include <e32base.h>

// FORWARD DECLARATION

#include <AknServerApp.h>

// CONSTS

/// UID of Scheme App.

LOCAL_D const TUid KUidSchemeApp = { SCHEME_APP_UID };

// CLASS DECLARATION

/**

* Scheme Handler IF definition class

*/

class CBaseHandler : public CSchemeHandler

    {

    public:     // New functions

		/**

		* Url Handler with embedding

		* @param -

		*/

		virtual void HandleUrlEmbeddedL() = 0;

		/**

		* Url Handler without embedding

		* @param -

		*/

		virtual void HandleUrlStandaloneL() = 0;

		/**

		* Observer

		* @param - aSchemeDoc

		*/

        void Observer( MAknServerAppExitObserver* aSchemeDoc );

	protected:

        /**

        * Constructor.

        */      

		CBaseHandler();

       /**

        * Destructor.

        */      

        virtual ~CBaseHandler();

        /**

        * Second phase constructor. Leaves on failure.

		* BaseConstructL must be called from inherited ConstructL

		* preferably before do anything

		* @param - aUrl

        */      

		void BaseConstructL( const TDesC& aUrl );

	protected: // New functions

		/**

        * Remove scheme from the begining of Url.

        * @param aScheme - sheme pattern

        * @return TPtrC

        */    

		TPtrC RemoveSchemeFromUrlL( const TDesC& aScheme );

        /**

        * Handle the possible errors given by

        * subsystems

        * @param aErrorCode - error code

        * @return -

        */

        void ErrorHandlerL( TInt aErrorCode );

        /**

        * Handle the possible errors given by

        * subsystems

        * @param -

        * @return the value of the shared data (boolean)

        */

        TBool ReadSdConfirmDtmfValueL();

        /**

        * Launch SchemeApp passing Generic Params List

        * @param -

        * @return -

        */

        void LaunchSchemeAppWithCommandLineL();

	protected: // Data

        MAknServerAppExitObserver* iSchemeDoc; ///< Used.

    protected: // Data

		// Results of parsing

		HBufC* iParsedUrl; ///< Owned.

	};

#endif /* def BASE_HANDLER_H */