imagehandlingutilities/thumbnailmanager/thumbnailclient/inc/thumbnailsession.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 09 Jun 2010 10:01:32 +0300
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/*
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* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Thumbnail server client-side session
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 *
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*/
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#ifndef THUMBNAILSESSION_H
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#define THUMBNAILSESSION_H
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#include <e32base.h>
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#include "thumbnailmanagerconstants.h"
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/**
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 *  Thumbnail server client-side session
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 *
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 *  @since S60 v5.0
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 */
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NONSHARABLE_CLASS( RThumbnailSession ): public RSessionBase
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    {
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public:
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    /**
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     * C++ default constructor.
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     *
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     * @since S60 v5.0
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     * @return New RThumbnailSession session.
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     */
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    RThumbnailSession();
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    /**
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     * Connect to server process.
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     *
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     * @since S60 v5.0
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     * @return Error code.
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     */
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    TInt Connect();
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    /**
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     * Close session.
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     *
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     * @since S60 v5.0
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     */
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    void Close();
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    /**
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     * Version info.
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     *
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     * @since S60 v5.0
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     * @return Version of client.
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     */
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    TVersion Version();
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    /**
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     * Request a thumbnail for an object file.
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     *
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     * @since S60 v5.0
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     * @param aFile File from which the thumbnail is to be created.
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     * @param aTargetUri         Target URI to which the imported thumbnail is linked.
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     * @param aParams Package for request parameters.
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     * @param aStatus Status of the request.
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     */
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    void RequestThumbnailL( const RFile64& aFile, const TDesC& aTargetUri, TThumbnailRequestParamsPckg&
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        aParams, TRequestStatus& aStatus );
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    /**
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     * Request a thumbnail for an object file.
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     *
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     * @since S60 v5.0
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     * @param aPath Path of image from which the thumbnail is to be created.
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     * @param aTargetUri         Target URI to which the imported thumbnail is linked.
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     * @param aParams Package for request parameters.
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     * @param aStatus Status of the request.
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     */
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    void RequestThumbnailL( const TDesC& aPath, const TDesC& aTargetUri, const TThumbnailId aThumbnailId, TThumbnailRequestParamsPckg&
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        aParams, TRequestStatus& aStatus );
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    /**
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     * Request a thumbnail for an object file.
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     *
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     * @since S60 v5.0
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     * @param aThumbnailId Thumbnail ID
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     * @param aTargetUri         Target URI to which the imported thumbnail is linked.
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     * @param aParams Package for request parameters.
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     * @param aStatus Status of the request.
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     */    
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    void RequestThumbnailL( const TThumbnailId aThumbnailId, const TDesC& aTargetUri,
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            TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus );  
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    /**
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     * Request set thumbnail for an object file.
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     *
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     * @since S60 v5.0
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     * @param aBuffer buffer from which the thumbnail is to be created.
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     * @param aTargetUri         Target URI to which the imported thumbnail is linked.
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     * @param aParams Package for request parameters.
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     * @param aStatus Status of the request.
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     */    
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    void RequestSetThumbnailL( 
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            TDesC8* aBuffer, const TDesC& aTargetUri,         
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            TThumbnailRequestParamsPckg& aParams, 
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            TRequestStatus& aStatus  );
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    /**
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     * Request set thumbnail for an object file.
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     *
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     * @since S60 v5.0
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     * @param aBitmapHandle Bitmap handle
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     * @param aTargetUri         Target URI to which the imported thumbnail is linked.
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     * @param aParams Package for request parameters.
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     * @param aStatus Status of the request.
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     */    
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    void RequestSetThumbnailL( 
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            TInt aBitmapHandle, const TDesC& aTargetUri,         
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            TThumbnailRequestParamsPckg& aParams, 
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            TRequestStatus& aStatus  );    
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    /**
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     * Release bitmap instance kept by server process.
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     *
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     * @since S60 v5.0
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     * @param aBitmapHandle Handle to bitmap.
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     */
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    void ReleaseBitmap( TInt aBitmapHandle );
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    /**
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     * Cancel pending thumbnail request.
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     *
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     * @since S60 v5.0
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     * @param aRequestId Session specific thumbnail request ID.
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     * @return Error code.
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     */
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    TInt CancelRequest( TThumbnailRequestId aRequestId );
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    /**
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     * Change priority of pending thumbnail request.
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     *
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     * @since S60 v5.0
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     * @param aRequestId Session specific thumbnail request ID.
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     * @param aNewPriority New priority to be set for the request.
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     * @return Error code.
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     */
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    TInt ChangePriority( TThumbnailRequestId aRequestId, TInt aNewPriority );
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    /**
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     * Delete thumbnails.
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     *
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     * @since S60 v5.0
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     * @param aPath Path to media object whose thumbnails should be deleted.
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     */
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    void DeleteThumbnails( const TDesC& aPath, TThumbnailRequestParamsPckg& aParams,
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            TRequestStatus& aStatus );
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    /**
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     * Delete thumbnails.
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     *
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     * @since S60 v5.0
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     * @param aItemId Id of item whose thumbnails should be deleted.
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     */
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    void DeleteThumbnails( const TThumbnailId aItemId, TThumbnailRequestParamsPckg& aParams,
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            TRequestStatus& aStatus );    
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    /**
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     * Get a list of supported MIME types in a HBufC. The list is space
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     * delimited.
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     *
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     * @since S60 v5.0
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     * @return MIME type list. Ownership transferred to called.
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     */
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    HBufC* GetMimeTypeListL();
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    /**
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     * Update thumbnails.
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     *
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     * @since S60 v5.0
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     * @param aPath         (New) path for the Thumbnail
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     * @param aOrientation  Thumbnail orientation
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     * @param aModified     Last modified
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     */
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    void UpdateThumbnails( const TDesC& aPath, const TInt aOrientation, const TInt64 aModified,
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                           TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus);
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13
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    /**
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     * Rename thumbnails.
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     *
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     * @since S60 v5.0
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     */
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    void RenameThumbnails( TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus );
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0
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private:
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    /**
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     * Launch server process.
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     *
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     * @since S60 v5.0
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     * @return Error code.
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     */
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    TInt StartServer();
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};
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#endif // THUMBNAILSESSION_H