diff -r 7d91903f795f -r ce5ada96ab30 videocollection/hgmyvideos/inc/vcxhgmyvideosthumbnailmanager.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/videocollection/hgmyvideos/inc/vcxhgmyvideosthumbnailmanager.h Fri Mar 12 15:43:00 2010 +0200 @@ -0,0 +1,148 @@ +/* +* Copyright (c) 2010 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: CVcxHgMyVideosThumbnailManager class definition* +*/ + + +#ifndef VCXHGMYVIDEOSTHUMBNAILMANAGER_H +#define VCXHGMYVIDEOSTHUMBNAILMANAGER_H + +// INCLUDE FILES +#include +#include + +// FORWARD DECLARATIONS + +// CLASS DECLARATION + +/** + * + * @lib vcxhgmyvideos.lib + */ +NONSHARABLE_CLASS( CVcxHgMyVideosThumbnailManager ) : + public CBase, + public MThumbnailManagerObserver + { + public: + + /** + * Two-phased constructor. + * + * @return New object. + */ + static CVcxHgMyVideosThumbnailManager* NewL(); + + /** + * Two-phased constructor. + * + * @return New object. + */ + static CVcxHgMyVideosThumbnailManager* NewLC(); + + /** + * Destructor. + */ + virtual ~CVcxHgMyVideosThumbnailManager(); + + private: // From MThumbnailManagerObserver + + /** + * Preview thumbnail generation or loading is complete. + * + * @param aThumbnail An object representing the resulting thumbnail. + * @param aId Request ID for the operation + */ + void ThumbnailPreviewReady( MThumbnailData& aThumbnail, TThumbnailRequestId aId ); + + /** + * Final thumbnail bitmap generation or loading is complete. + * + * @param aError Error code. + * @param aThumbnail An object representing the resulting thumbnail. + * @param aId Request ID for the operation. + */ + void ThumbnailReady( TInt aError, MThumbnailData& aThumbnail, TThumbnailRequestId aId ); + + public: // New methods + /** + * Peeks if there is thumbnail and fetches it if it exist. + * No thumbnail creation is started when thumbnail does not exist. + * + * @param aSource + * @return TThumbnailRequestId. + */ + TThumbnailRequestId PeekL( CThumbnailObjectSource& aSource ); + + /** + * Gets thumbnail and creates it if it does not exist. + * + * @param aSource + * @return TThumbnailRequestId. + */ + TThumbnailRequestId GetL( CThumbnailObjectSource& aSource ); + + /** + * Cancels thumbnail request + * + * @param aRequestId + */ + void Cancel( TThumbnailRequestId aRequestId ); + + /** + * Adds observer. + * + * @param aObserver + */ + void AddObserverL( MThumbnailManagerObserver& aObserver ); + + /** + * Removes observer. + * + * @param aObserver + */ + void RemoveObserver( MThumbnailManagerObserver& aObserver ); + + private: + + /** + * Default constructor + */ + CVcxHgMyVideosThumbnailManager(); + + /** + * SessionL + * @return CThumbnailManager ref. + */ + CThumbnailManager& SessionL(); + + private: + + /** + * S60 Thumbnail Manager. + * Own. + */ + CThumbnailManager* iTnManager; + + /** + * Used for storing the observers. Pointers are not own. + */ + RPointerArray iTnObservers; + + /** + * Stores current thumbnail generation flags + */ + CThumbnailManager::TThumbnailFlags iCurrentFlags; + }; + +#endif // VCXHGMYVIDEOSTHUMBNAILMANAGER_H