diff -r 45459746d5e8 -r 27f2d7aec52a engine/collectionframework/thumbnailcreator/inc/mglxtnstorage.h --- a/engine/collectionframework/thumbnailcreator/inc/mglxtnstorage.h Mon Sep 27 15:13:20 2010 +0530 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,132 +0,0 @@ -/* -* Copyright (c) 2008-2009 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: Thumbnail storage interface -* -*/ - - - -/** - * @internal reviewed 30/07/2007 by Simon Brooks - */ - -#ifndef M_GLXTNSTORAGE_H -#define M_GLXTNSTORAGE_H - -// INCLUDES - -#include -#include -#include "glxtnstd.h" - -class CGlxtnFileInfo; - -// CLASS DECLARATION - -/** -* Interface for thumbnail persistent storage. -* -* @ingroup glx_thumbnail_creator -*/ -class MGlxtnThumbnailStorage - { -public: - /** - * Start asynchronous loading of thumbnail data. - * @param aData Buffer pointer for the loaded data. Memory is allocated - internally and ownership passed to the caller. - * @param aFormat Format of the thumbnail in aData. - * @param aId Media item ID. - * @param aFileInfo File info for media item. - * @param aSize Requested thumbnail size. - * @param aStatus Request status for the asynchronous operation. - */ - virtual void LoadThumbnailDataL(HBufC8*& aData, - TGlxImageDataFormat& aFormat, const TGlxMediaId& aId, - const CGlxtnFileInfo& aFileInfo, const TSize& aSize, - TRequestStatus* aStatus) = 0; - /** - * Start asynchronous saving of thumbnail data. - * @param aData Buffer containing the data to be saved. - * @param aFormat Format of the thumbnail in aData. - * @param aId Media item ID. - * @param aFileInfo File info for media item. - * @param aSize Requested thumbnail size. - * @param aStatus Request status for the asynchronous operation. - */ - virtual void SaveThumbnailDataL(const TDesC8& aData, - TGlxImageDataFormat aFormat, const TGlxMediaId& aId, - const CGlxtnFileInfo& aFileInfo, const TSize& aSize, - TRequestStatus* aStatus) = 0; - /** - * Start asynchronous deletion of all saved thumbnails for an item. - * @param aId Media item ID. - * @param aFileInfo File info for media item. - * @param aStatus Request status for the asynchronous operation. - */ - virtual void DeleteThumbnailsL(const TGlxMediaId& aId, - const CGlxtnFileInfo& aFileInfo, TRequestStatus* aStatus) = 0; - /** - * Start asynchronous deletion of all saved thumbnails for items which no - * longer exist. - * @param aStatus Request status for the asynchronous operation. - */ - virtual void CleanupThumbnailsL(TRequestStatus* aStatus) = 0; - /** - * Test whether a given thumbnail is available in storage. - * @param aId Media item ID. - * @param aFileInfo File info for media item. - * @param aSize Requested thumbnail size. - * @param aStatus Request status for the asynchronous operation. - */ - virtual void IsThumbnailAvailableL(const TGlxMediaId& aId, - const CGlxtnFileInfo& aFileInfo, - const TSize& aSize, TRequestStatus* aStatus) = 0; - /** - * Cancel an ongoing asynchronous operation. - */ - virtual void StorageCancel() = 0; - /** - * Notify that an error occurred in background generation. - * @param aId Media item ID. - * @param aError Error code. - */ - virtual void NotifyBackgroundError(const TGlxMediaId& aId, TInt aError) = 0; - }; - -/** -* Interface for notification of thumbnails becoming available in storage. -* -* @ingroup glx_thumbnail_creator -*/ -class MGlxtnThumbnailStorageObserver - { -public: - /** - * Notify that a given thumbnail is available in storage. - * @param aId Media item ID. - * @param aSize Requested thumbnail size. - */ - virtual void ThumbnailAvailable(const TGlxMediaId& aId, const TSize& aSize) = 0; - /** - * Notify that an error occurred in background generation. - * @param aId Media item ID. - * @param aError Error code. - */ - virtual void BackgroundThumbnailError(const TGlxMediaId& aId, TInt aError) = 0; - }; - -#endif // M_GLXTNSTORAGE_H - -// End of File