example/clientapi/smf/inc/smfplugins/smfmusic/smflyricsserviceplugin.h
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     1 /**
       
     2  * @file	smflyricsserviceplugin.h
       
     3  * @author  Nalina Hariharan, Sasken Communication Technologies Ltd - Initial contribution
       
     4  * @version 1.0
       
     5  *
       
     6  * @section LICENSE
       
     7  *
       
     8  * Copyright (c) 2010 Sasken Communication Technologies Ltd. 
       
     9  * All rights reserved.
       
    10  * This component and the accompanying materials are made available 
       
    11  * under the terms of the "{License}" 
       
    12  * which accompanies  this distribution, and is available 
       
    13  * at the URL "{LicenseUrl}".
       
    14  * 
       
    15  * @section DESCRIPTION
       
    16  *
       
    17  * Interface specification for music track lyrics
       
    18  */
       
    19 
       
    20 #ifndef SMFLYRICSSERVICEPLUGIN_H_
       
    21 #define SMFLYRICSSERVICEPLUGIN_H_
       
    22 
       
    23 #include <smfproviderbase.h>
       
    24 #include <smftrackinfo.h>
       
    25 #include <QString>
       
    26 #include <smfsubtitle.h>
       
    27 #include <smflyrics.h>
       
    28 #include <smfsubtitlesearchfilter.h>
       
    29 
       
    30 /**
       
    31  * Interface specification for music track lyrics
       
    32  *
       
    33  * All of the functionality described here should be implemented by a service
       
    34  * specific plug-in.
       
    35  */
       
    36 class SmfLyricsServicePlugin : public QObject
       
    37 	{
       
    38 	Q_OBJECT
       
    39 public:
       
    40 	/**
       
    41 	 * Constructor with default argument
       
    42 	 * @param aParent The parent object
       
    43 	 */
       
    44 	SmfLyricsServicePlugin( QObject* aParent = 0 );
       
    45 	
       
    46 	/**
       
    47 	 * Destructor
       
    48 	 */
       
    49 	~SmfLyricsServicePlugin( );
       
    50 	
       
    51 	/**
       
    52 	 * Method to get the provider information
       
    53 	 * @return Instance of SmfProviderBase
       
    54 	 */
       
    55 	virtual SmfProviderBase* getProviderInfo( ) = 0;
       
    56 	
       
    57 	/**
       
    58 	 * Method to get the lyrics
       
    59 	 * @param aTrack The track whose lyrics need to be fetched
       
    60 	 * @param aRequest [out] The request data to be sent to network
       
    61 	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
       
    62 	 */
       
    63 	virtual SmfPluginError lyrics( const SmfTrackInfo aTrack,
       
    64 			SmfPluginRequestData *aRequest ) = 0;
       
    65 	
       
    66 	/**
       
    67 	 * Method to get the subtitle
       
    68 	 * @param aTrack The track whose subtitle need to be fetched
       
    69 	 * @param aRequest [out] The request data to be sent to network
       
    70 	 * @param aFilter The subtitle search filter if any
       
    71 	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
       
    72 	 */
       
    73 	virtual SmfPluginError subtitles( const SmfTrackInfo aTrack,
       
    74 			SmfPluginRequestData *aRequest,
       
    75 			const SmfSubtitleSearchFilter aFilter = 0 ) = 0;
       
    76 	
       
    77 	/**
       
    78 	 * Method to get the result for a network request.
       
    79 	 * @param aTransportResult The result of transport operation
       
    80 	 * @param aReply The QNetworkReply instance for the request
       
    81 	 * @param aResult [out] An output parameter to the plugin manager.If the 
       
    82 	 * return value is SmfSendRequestAgain, QVariant will be of type 
       
    83 	 * SmfPluginRequestData. 
       
    84 	 * If last operation was lyrics(), aResult will be of type SmfLyrics
       
    85 	 * If last operation was subtitles(), aResult will be of type SmfSubtitle
       
    86 	 * @param aRetType [out] SmfPluginRetType
       
    87 	 * @param aIsLastPage [out] true if this the last page, else false
       
    88 	 * @return SmfPluginError 
       
    89 	 */
       
    90 	virtual SmfPluginError responseAvailable( 
       
    91 			const SmfTransportResult aTransportResult, 
       
    92 			QNetworkReply *aReply, 
       
    93 			QVariant* aResult, 
       
    94 			SmfPluginRetType aRetType,
       
    95 			bool aIsLastPage) = 0;
       
    96 	
       
    97 	};
       
    98 
       
    99 Q_DECLARE_INTERFACE( SmfLyricsServicePlugin, "org.symbian.smf.plugin.music.lyrics/v1.0" );
       
   100 
       
   101 #endif /* SMFLYRICSSERVICEPLUGIN_H_ */