/*

* 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 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: 

*

*/

#ifndef CVCXTESTMDSDBMODIFIER_H

#define CVCXTESTMDSDBMODIFIER_H

#include <mdesession.h>

#include <mdequery.h>

#include <harvesterclient.h>

#include <mpxcollectionmessagedefs.h>

// Copied from vcxmyvideosmdsdb.cpp, keep up to date.

/**

 *  MDS database class for VCX testing.

 */

NONSHARABLE_CLASS(CVCXTestMdsDbModifier) :

                                public CBase,

                                public MMdESessionObserver,

                                public MMdEQueryObserver,

                                public MMdESchemaObserver,

                                public MMdEObjectObserver

    {

public:

    /**

     * Two-phased constructor.

     */

    static CVCXTestMdsDbModifier* NewL();

    /**

     * Two-phased constructor.

     */

    static CVCXTestMdsDbModifier* NewLC();

    /**

    * Destructor.

    */

    virtual ~CVCXTestMdsDbModifier();

    /**

     * Remove video.

     *

     * @param aMdsId Id of the item to be removed.

     * @return       KErrNotFound if video was not found, KErrNone if found and deleted.

     */

    TInt RemoveVideoL(

        TUint32 aMdsId );

    /**

     * Update video.

     *

     * @param aVideo Video to update in MDS database.

     */

    void UpdateVideoL(

        CMPXMedia& aVideo );

    /**

     * Delete an existing video.

     *

     * @param aFileId      File id (key) of the video to delete.

     * @param aResultCount Result count is saved to this parameter.

     * @return KErrNone if successful, otherwise another of the system-wide

     *         error codes.

     */

    TInt DeleteVideoL(

        TUint32 aFileId,

        TInt& aResultCount,

        TBool aForcedDelete = EFalse );

// from MMdESessionObserver

	/**

	 * Called to notify the observer that opening the session has been

	 * completed and, if the opening succeeded, the session is ready for use.

	 *

	 * @param aSession  session

	 * @param aError    <code>KErrNone</code>, if opening the session succeeded

	 *     or one of the system-wide error codes, if opening the session failed

	 */

	void HandleSessionOpened( CMdESession& aSession, TInt aError );

	/**

	 * Called to notify the observer about errors, which are not a direct

	 * consequence of the operations initiated by the client but caused by some

	 * external source (e.g., other clients). The error cannot be recovered and

	 * all on-going operations initiated by the client have been aborted.

	 * Any attempts to continue using the session will cause a panic. The

	 * client should close the session immediately and try to open a new

	 * session if it needs to continue using the metadata engine.

	 *

	 * @param aSession  session

	 * @param aError    one of the system-wide error codes

	 */

	void HandleSessionError( CMdESession& aSession, TInt aError );

//  from MMdEQueryObserver

    /**

     * Called to notify the observer that new results have been received

     * in the query.

     *

     * @param aQuery              Query instance that received new results.

     * @param aFirstNewItemIndex  Index of the first new item that was added

     *                            to the result item array.

     * @param aNewItemCount       Number of items added to the result item

     *                            array.

     */

    void HandleQueryNewResults( CMdEQuery& aQuery,

                                       TInt aFirstNewItemIndex,

                                       TInt aNewItemCount );

    /**

     * Called to notify the observer that the query has been completed,

     * or that an error has occured.

     *

     * @param aQuery  Query instance.

     * @param aError  <code>KErrNone</code>, if the query was completed

     *                successfully. Otherwise one of the system-wide error

     *                codes.

     */

    void HandleQueryCompleted( CMdEQuery& aQuery, TInt aError );

//  from MMdESchemaObserver

	/**

	 * Called to notify the observer that the schema has been modified.

	 *

	 * @param none

	 */

	void HandleSchemaModified();

// from MMdEObjectObserver

    void HandleObjectNotification( CMdESession& aSession,

            TObserverNotificationType aType,

            const RArray<TItemId>& aObjectIdArray);

private:

    /**

     * Constructor.

     * @param aObserver The db change observer.

     */

    CVCXTestMdsDbModifier();

    void ConstructL();

    /**

     * Fill the object from media.

     *

     * @param aMedia            The media class to read from.

     * @param aObject           The object to modify.

     */

    void Media2ObjectL( CMPXMedia& aVideo, CMdEObject& aObject );

    /*

     * Get the schema definitions needed.

     */

    void GetSchemaDefinitionsL();

private: // data

    /**

     * The MDS session object. Own.

     */

    CMdESession* iMDSSession;

    /**

     * The error code saved from the callbacks.

     */

    TInt iMDSError;

    /**

     * The default namespace definition. Not own.

     */

    CMdENamespaceDef* iNamespaceDef;

    /**

     * The Video object definition. Not own.

     */

    CMdEObjectDef* iVideoObjectDef;

    /**

     * 2.

     * The Title property definition. Not own.

     */

    CMdEPropertyDef* iTitlePropertyDef;

    /**

     * 3.

     * The Description property definition. Not own.

     */

    CMdEPropertyDef* iDescriptionPropertyDef;

    // 4. URI ( = file path ), set with SetUriL method

    /**

     * 5.

     * The Size property definition. Not own.

     */

    CMdEPropertyDef* iSizePropertyDef;

    /**

     * 6.

     * The Creation Date property definition. Not own.

     */

    CMdEPropertyDef* iCreationDatePropertyDef;

    /**

    * Time offset from the universal time. Not own.

    */

    CMdEPropertyDef* iTimeOffsetPropertyDef;

    /**

     * 7.

     * The Flags property definition. Not own.

     */

    CMdEPropertyDef* iFlagsPropertyDef;

    /**

     * 8.

     * The Copyright property definition. Not own.

     */

    CMdEPropertyDef* iCopyrightPropertyDef;

    /**

     * 9.

     * The Item Type property definition. Not own.

     */

    CMdEPropertyDef* iItemTypePropertyDef;

    /**

     * 10.

     * The Modified Date property definition. Not own.

     */

    CMdEPropertyDef* iLastModifiedDatePropertyDef;

    /**

     * 11.

     * The Age Profile property definition. Not own.

     */

    CMdEPropertyDef* iAgeProfilePropertyDef;

    /**

     * 12.

     * The Audio Language property definition. Not own.

     */

    CMdEPropertyDef* iAudioLanguagePropertyDef;

    /**

     * 13.

     * The Author property definition. Not own.

     */

    CMdEPropertyDef* iAuthorPropertyDef;

    /**

     * 14.

     * The Origin property definition. Not own.

     */

    CMdEPropertyDef* iOriginPropertyDef;

    /**

     * 15.

     * The Duration property definition. Not own.

     */

    CMdEPropertyDef* iDurationPropertyDef;

    /**

     * 16.

     * The Last Play Point property definition. Not own.

     */

    CMdEPropertyDef* iLastPlayPositionPropertyDef;

    /**

     * 17.

     * The Download ID property definition. Not own.

     */

    CMdEPropertyDef* iDownloadIdPropertyDef;

    /**

    * 18.

    * Rating property definition, not own.

    */

    CMdEPropertyDef* iRatingPropertyDef;

    /**

    * 19.

    * Bitrate property definition, not own.

    */

    CMdEPropertyDef* iBitratePropertyDef;

    /**

    * DRM protection flag, not own.

    */

    CMdEPropertyDef* iDrmPropertyDef;

    /**

    * Not own.

    */

    CMdEPropertyDef* iAudioFourCcPropertyDef;

    /**

     * Active scheduled waiter Own..

     */

    CActiveSchedulerWait* iActiveSchedulerWait;

    /**

     * The file server session.

     */

    RFs iRfs;

    /**

     * Is the db already in use. If so, return KErrInUse.

     */

    TBool iDbInUse;

    public:

    };

#endif // CVCXTESTMDSDBMODIFIER_H