/*

* 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:  store file manager for images and videos

*

*/

#ifndef __CMSMVIDEOANDIMAGEMNGR_H

#define __CMSMVIDEOANDIMAGEMNGR_H

#include <e32base.h>

#include <badesca.h>

#include <mdequery.h>

#include "cmcommontypes.h"

#include "cmcommon.h"

#include "cmsmcommon.h"

// Forward declarations

class CMdESession;

class CMdENamespaceDef;

class CMdEObjectDef;

class CMdEObjectQuery;

class CMdEPropertyDef;

class CCmStoreListItem;

class CCmSmFileMngr;

class CMdEObject;

class MCmSmVideoAndImageMngrObserver;

// CLASS DECLARATION 

 /**

  *  Video and Image manager class definition

  *

  *  @lib cmstoremanager.lib

  *

  *  @since S60 5.1

  */

NONSHARABLE_CLASS( CCmSmVideoAndImageMngr ): public CActive,

                               public MMdEQueryObserver

    {      

public:

    /**

     * Two-phased constructor.

     *

     * @since S60 5.1     

     * @param aObserver, observer class

     * @param aFileMngr, file manager

     * @param aSession, mde session

     * @param aItems, store list items

     * @return  pointer to CCmSmVideoAndImageMngr class

     */

    static CCmSmVideoAndImageMngr* NewL( 

        MCmSmVideoAndImageMngrObserver& aObserver,

        CCmSmFileMngr& aFileMngr, CMdESession& aSession, 

        RPointerArray<CCmStoreListItem>& aItems );

    /**

     * Two-phased constructor.

     *

     * @since S60 5.1     

     * @param aObserver, observer class

     * @param aFileMngr, file manager

     * @param aSession, mde session

     * @param aItems, store list items     

     * @return  pointer to CCmSmVideoAndImageMngr class

     */

    static CCmSmVideoAndImageMngr* NewLC(  

        MCmSmVideoAndImageMngrObserver& aObserver,

        CCmSmFileMngr& aFileMngr, CMdESession& aSession,

        RPointerArray<CCmStoreListItem>& aItems );

    /**

     * Destructor.

     */

    virtual ~CCmSmVideoAndImageMngr();

public: 

    /**

     * Starts video/image list processing

     *

     * @since S60 5.1

     * @param aType, media type to be processed

     * @return None

     */

    void ProcessMedia( TCmMediaType aType );  

    /**

     * Canceling file processing

     *

     * @since S60 5.1

     * @param None

     * @return None

     */    

    void CancelOperation();

    /**

     * Canceling clf refress

     *

     * @since S60 5.1

     * @param None

     * @return None

     */        

    void CancelListRefresh();                    

    /**

     * Filters files from the clf lists

     *

     * @since S60 5.1

     * @param None

     * @return None

     */        

    void FilterItems();

    /**

     * Filters defined media files from the clf lists

     *

     * @since S60 5.1

     * @param aDeviceIds, devices

     * @param aType, media type

     * @return None

     */        

    void FilterNewItemsL( RArray<TInt>aDeviceIds, 

    TCmMediaType aType );

protected:

// From base class MMdEQueryObserver

    /**

     * From MMdEQueryObserver

     * See base class definition

     */

    void HandleQueryNewResults(CMdEQuery& aQuery,

                                       TInt aFirstNewItemIndex,

                                       TInt aNewItemCount);

    /**

     * From MMdEQueryObserver

     * See base class definition

     */

    void HandleQueryCompleted(CMdEQuery& aQuery, TInt aError);  

// From base class CActive

    /**

     * From CActive

     * See base class definition

     */

    void RunL();

    /**

     * From CActive

     * See base class definition

     */

    void DoCancel();

    /**

     * From CActive

     * See base class definition

     */  

    TInt RunError( TInt aError );        

private:

   /**

     * Creates query for defined media type

     *

     * @since S60 5.1

     * @param aType, media type

     * @return None

     */ 

    void SetQueryAndStartFindL( TCmMediaType aType );

   /**

     * Sets property filters

     *

     * @since S60 5.1

     * @param None

     * @return None

     */ 

    void SetPropertyFiltersL( );

   /**

     * Sets logic condition

     *

     * @since S60 5.1

     * @param aType, media type ( phone or other )

     * @return None

     */

    void SetLogicConditionL( TCmMediaType aType );

   /**

     * Resets mde query

     *

     * @since S60 5.1

     * @param None

     * @return None

     */     

    void ResetQuery();

   /**

     * Completes request

     *

     * @since S60 5.1

     * @param aStatus, defined id for the completing 

     * @return None

     */     

    void CompleteRequest( TCmSmFileProcessingStatus aStatus );

   /**

     * Collects item info from mde objects

     *

     * @since S60 5.1

     * @param aType, media type

     * @return TCmListItemStatus, list status value

     */     

    TCmListItemStatus CollectItemDataL( TCmMediaType aType );            

    /**

     * Performs the first phase of two phase construction.

     *

     * @since S60 5.1

     * @param aObserver, video and image manager observer

     * @param aFileMngr, file manager

     * @param aSession, Mde session

     * @param aItems, Store items

     * @return None

     */

    CCmSmVideoAndImageMngr(  

        MCmSmVideoAndImageMngrObserver& aObserver,

        CCmSmFileMngr& aFileMngr, CMdESession& aSession,

        RPointerArray<CCmStoreListItem>& aItems );

    /**

     * Performs the second phase construction.

     */

    void ConstructL();

private: 

    /**

     * Observer

     */

    MCmSmVideoAndImageMngrObserver& iObserver;

    /**

     * Reference to main file manager

     */

    CCmSmFileMngr& iFileMngr;

    /**

     * MdE session

     */

    CMdESession& iSession;                                

    /**

     * Reference to store list items

     */

    RPointerArray<CCmStoreListItem>& iItems;

    /**

     * mde namespace

     */

    CMdENamespaceDef* iNamespace;                           // owned

    /**

     * Object definition ( Image/Video )

     */

    CMdEObjectDef* iObjectDef;                              // owned

    /**

     * Object definition ( Image/Video )

     */

    CMdEObjectDef* iMediaTypeDef;                           // owned

    /**

     * Object query

     */

    CMdEObjectQuery* iQuery;                                // owned

    /**

     * Queried property

     */

    CMdEPropertyDef* iTitleDef;                             // owned

    /**

     * Queried property

     */

    CMdEPropertyDef* iSizeDef;                              // owned

    /**

     * Queried property

     */

    CMdEPropertyDef* iDateDef;                              // owned

    /**

     * Metadata object array

     */

    RPointerArray<CMdEObject> iObjects;                     // Owned

    /**

     * Defines which media query is active

     */

    TCmMediaType iQueriedMedia;

    };

#endif //  __CMSMVIDEOANDIMAGEMNGR_H