/*

* Copyright (c) 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:  An access interface to an adapter module.

 *

*/

#ifndef MPIMADAPTERACCESS_H

#define MPIMADAPTERACCESS_H

//  INCLUDES

#include <badesca.h>

#include "pimcommon.h"

// FORWARD DECLARATIONS

class MPIMContactAdapterManager;

class MPIMContactListAdapter;

class MPIMEventAdapterManager;

class MPIMEventListAdapter;

class MPIMToDoAdapterManager;

class MPIMToDoListAdapter;

class MPIMLocalizationData;

class CCalSession;

// CLASS DECLARATION

/**

 *  Provides the elementary access the PIM lists provided by a single adapter

 *  module.

 */

class MPIMAdapterAccess

{

public:

    // Destructor

    /**

     * Destructor.

     */

    virtual ~MPIMAdapterAccess()

    {

    }

public:

    // New functions

    /**

     * Gets list names of given list type from this Adapter.

     *

     * @param aListType One of EPIMContactList, EPIMEventList

     *        and EPIMToDoList.

     *

     * @return Array of list names of given type. A zero-length

     *         array is returned if the list type is not supported

     *         by this adapter or the list type is invalid.

     *         Caller takes the ownership of the returned object.

     */

    virtual const CDesCArray& ListNamesL(const TPIMListType aListType) = 0;

    /**

     * Opens a list managed by this adapter and provides instances of

     * Adapter Manager, List Adapter and associated Localization Data.

     * The objects are returned through arguments. If no matching list

     * exists, the arguments are left untouch.

     *

     * If the adapter does not support multiple simultaneous list instances

     * and an instance already exists, the method leaves.

     *

     * @param aListName List name. If NULL, first list if opened (if any).

     * @param aRetAdapterManager The returned Adapter Manager.

     *        Caller takes the ownership of the returned object.

     * @param aRetListAdapter The returned List Adapter.

     *        Caller takes the ownership of the returned object.

     * @param aRetLocalizationData The returned Localization Data.

     *

     * @return ETrue, if a Contact list with given name exists and

     *         was successfully opened, EFalse otherwise.

     *         Caller takes the ownership of the returned object.

     *

     * @par Leaving:

     * The method leaves on error. Error codes should be interpreted as

     * follows:

     * @li \c KErrAlreadyExists - An instance of the list adapter has already

     *        been opened and multiple simultaneous instances are not

     *        supported.

     * @li \c KErrNotFound - The native database does not exist any more.

     * @li Other - The system is non-functional.

     */

    virtual TBool OpenContactListL(const TDesC* aListName,

                                   MPIMContactAdapterManager** aRetAdapterManager,

                                   MPIMContactListAdapter** aRetListAdapter,

                                   MPIMLocalizationData** aRetLocalizationData) = 0;

    /**

     * Opens a list managed by this adapter and provides instances of

     * Adapter Manager, List Adapter and associated Localization Data.

     * The objects are returned through arguments. If no matching list

     * exists, the arguments are left untouch.

     *

     * If the adapter does not support multiple simultaneous list instances

     * and an instance already exists, the method leaves.

     *

     * @param aListName List name. If NULL, first list if opened (if any).

     * @param aRetAdapterManager The returned Adapter Manager.

     *        Caller takes the ownership of the returned object.

     * @param aRetListAdapter The returned List Adapter.

     *        Caller takes the ownership of the returned object.

     * @param aRetLocalizationData The returned Localization Data.

     *

     * @return ETrue, if a Event list with given name exists and

     *         was successfully opened, EFalse otherwise.

     *         Caller takes the ownership of the returned object.

     *

     * @par Leaving:

     * The method leaves on error. Error codes should be interpreted as

     * follows:

     * @li \c KErrAlreadyExists - An instance of the list adapter has already

     *        been opened and multiple simultaneous instances are not

     *        supported.

     * @li \c KErrNotFound - The native database does not exist any more.

     * @li Other - The system is non-functional.

     */

     virtual TBool OpenEventListL(CCalSession* aCalSession, 

                                 const TDesC* aListName,

                                 MPIMEventAdapterManager** aRetAdapterManager,

                                 MPIMEventListAdapter** aRetListAdapter,

                                 MPIMLocalizationData** aRetLocalizationData) = 0;

    /**

     * Opens a list managed by this adapter and provides instances of

     * Adapter Manager, List Adapter and associated Localization Data.

     * The objects are returned through arguments. If no matching list

     * exists, the arguments are left untouch.

     *

     * If the adapter does not support multiple simultaneous list instances

     * and an instance already exists, the method leaves.

     *

     * @param aListName List name. If NULL, first list if opened (if any).

     * @param aRetAdapterManager The returned Adapter Manager.

     *        Caller takes the ownership of the returned object.

     * @param aRetListAdapter The returned List Adapter.

     *        Caller takes the ownership of the returned object.

     * @param aRetLocalizationData The returned Localization Data.

     *

     * @return ETrue, if a ToDo list with given name exists and

     *         was successfully opened, EFalse otherwise.

     *         Caller takes the ownership of the returned object.

     *

     * @par Leaving:

     * The method leaves on error. Error codes should be interpreted as

     * follows:

     * @li \c KErrAlreadyExists - An instance of the list adapter has already

     *        been opened and multiple simultaneous instances are not

     *        supported.

     * @li \c KErrNotFound - The native database does not exist any more.

     * @li Other - The system is non-functional.

     */

     virtual TBool OpenToDoListL(CCalSession* aCalSession,

                                const TDesC* aListName,

                                MPIMToDoAdapterManager** aRetAdapterManager,

                                MPIMToDoListAdapter** aRetListAdapter,

                                MPIMLocalizationData** aRetLocalizationData) = 0;

protected:

    // Protected constructor

    // Default constructor is protected to enable derivation

    MPIMAdapterAccess()

    {

    }

private:

    // Prohibited operations

    // Prohibit copy constructor..

    MPIMAdapterAccess(const MPIMAdapterAccess&)

    {

    }

    // Prohibit assigment operator.

    MPIMAdapterAccess& operator=(const MPIMAdapterAccess&)

    {

        return *this;

    }

};

#endif // MPIMADAPTERACCESS_H

// End of File