diff -r 000000000000 -r a2952bb97e68 mmappcomponents/playlistengine/inc/mpxplaylistrecognizer.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mmappcomponents/playlistengine/inc/mpxplaylistrecognizer.h Thu Dec 17 08:55:47 2009 +0200 @@ -0,0 +1,108 @@ +/* +* Copyright (c) 2006 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: Recognizer for playlist files. +* +*/ + + + +#ifndef MPXPLAYLISTRECOGNIZER_H +#define MPXPLAYLISTRECOGNIZER_H + +// INCLUDES +#include +#include +#include + +// CLASS DECLARATION +class CMPXPluginHandlerBase; + +/** +* Concrete implementation of the recognizer API used to recognize playlist files. +* +* This is used by the application framework, as well as CMPXPlaylistEngine to +* determine if a given media is a supported playlist. +* +* @lib mpxplaylisrecognizer.lib +*/ +class CMPXPlaylistRecognizer : + public CApaDataRecognizerType, + public MMPXPluginHandlerObserver + { + public: // Constructors and destructor + + /** + * Two-phased constructor. + * + * @return constructed object + */ + static CMPXPlaylistRecognizer* NewL(); + + /** + * Destructor. + */ + virtual ~CMPXPlaylistRecognizer(); + + private: + + /** + * C++ default constructor. + */ + CMPXPlaylistRecognizer(); + + /** + * By default Symbian 2nd phase constructor is private. + */ + void ConstructL(); + + private: // Functions from base class + + /** + * From CApaDataRecognizerType + * Returns one of the SupportedDataType + * @param aIndex - depending on the file extension + * @return Supported DataType + */ + TDataType SupportedDataTypeL( TInt aIndex ) const; + + /** + * From CApaDataRecognizerType + * Returns the buffersize needed to scan + * @return BufferSize if needed + */ + TUint PreferredBufSize(); + + /** + * From CApaDataRecognizerType + * Do the recognition of the file using the name of the + * the file or the buffer to scan + * @param aName Name of the file + * @param aBuffer Buffer that shall be scanned for recognition + */ + void DoRecognizeL( const TDesC& aName, const TDesC8& aBuffer ); + + /* + * @see MMPXPluginHandlerObserver + */ + void HandlePluginHandlerEvent(TPluginHandlerEvents aEvent, + const TUid& aPluginUid, TBool aLoaded, TInt aData); + + private: // Data + + CMPXPluginHandlerBase* iPluginHandler; + + }; + + +#endif // MPXPLAYLISTRECOGNIZER_H