/**

 * Copyright (c) 2010 Sasken Communication Technologies Ltd. 

 * All rights reserved.

 * This component and the accompanying materials are made available 

 * under the terms of the "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:

 * Chandradeep Gandhi, Sasken Communication Technologies Ltd - Initial contribution

 *

 * Contributors:

 * Manasij Roy, Nalina Hariharan

 * 

 * Description:

 * Interface specification for music search services

 *

 */

#ifndef SMFMUSICSEARCHPLUGIN_H_

#define SMFMUSICSEARCHPLUGIN_H_

#include <smfpluginbase.h>

#include <QList>

#include <smfmusicfingerprint.h>

#include <smftrackinfo.h>

// Forward declaration

class SmfPluginUtil;

/**

 * @ingroup smf_plugin_group

 * Interface specification for music search services. This class

 * provides basic functionality to allow applications to search for 

 * tracks, get recommented tracks etc

 *

 * All of the functionality described here should be implemented by a service

 * specific plug-in.

 */

class SmfMusicSearchPlugin : public SmfPluginBase

	{

public:

	/**

	 * Constructor with default argument

	 * @param aUtil The SmfPluginUtil instance. The plugins can 

	 * call the method getAuthKeys() of this class, with its pluginID to 

	 * get the OAuth keys, keys are returned only if this plugin is 

	 * authorised by Smf franework

	 */

	SmfMusicSearchPlugin( SmfPluginUtil *aUtil );

	/**

	 * Destructor

	 */

	~SmfMusicSearchPlugin( );

	/**

	 * Method to get recommended tracks

	 * @param aRequest [out] The request data to be sent to network

	 * @param aTrack The track for which similar recommendations 

	 * need to be fetched.

	 * @param aPageNum The page to be extracted

	 * @param aItemsPerPage Number of items per page

	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

	 */

	virtual SmfPluginError recommendations( SmfPluginRequestData &aRequest,

			const SmfTrackInfo &aTrack,

			const int aPageNum = SMF_FIRST_PAGE, 

			const int aItemsPerPage = SMF_ITEMS_PER_PAGE ) = 0;

	/**

	 * Method to get similar tracks

	 * @param aRequest [out] The request data to be sent to network

	 * @param aTrack The track for which similar tracks 

	 * need to be fetched.

	 * @param aPageNum The page to be extracted

	 * @param aItemsPerPage Number of items per page

	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

	 */

	virtual SmfPluginError tracks( SmfPluginRequestData &aRequest,

			const SmfTrackInfo &aTrack,

			const int aPageNum = SMF_FIRST_PAGE, 

			const int aItemsPerPage = SMF_ITEMS_PER_PAGE ) = 0;

	/**

	 * Method to get tracks having a similar finger print

	 * @param aRequest [out] The request data to be sent to network

	 * @param aSignature The finger print to be searched for need to be 

	 * fetched.

	 * @param aPageNum The page to be extracted

	 * @param aItemsPerPage Number of items per page

	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

	 */

	virtual SmfPluginError trackInfo( SmfPluginRequestData &aRequest,

			const SmfMusicFingerPrint &aSignature,

			const int aPageNum = SMF_FIRST_PAGE, 

			const int aItemsPerPage = SMF_ITEMS_PER_PAGE ) = 0;

	/**

	 * Method to search information about where to buy this song from

	 * @param aRequest [out] The request data to be sent to network

	 * @param aTrack The track for which stores need to be searched

	 * @param aPageNum The page to be extracted

	 * @param aItemsPerPage Number of items per page

	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

	 */

	virtual SmfPluginError stores( SmfPluginRequestData &aRequest,

			const SmfTrackInfo &aTrack,

			const int aPageNum = SMF_FIRST_PAGE, 

			const int aItemsPerPage = SMF_ITEMS_PER_PAGE ) = 0;

	/**

	 * Method to post the currently playing track

	 * @param aRequest [out] The request data to be sent to network

	 * @param aTrack The current playing track, that should be posted

	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

	 */

	virtual SmfPluginError postCurrentPlaying( 

			SmfPluginRequestData &aRequest,

			const SmfTrackInfo &aTrack ) = 0;

	};

Q_DECLARE_INTERFACE( SmfMusicSearchPlugin, "org.symbian.smf.plugin.music.search/v1.0" );

#endif /* SMFMUSICSEARCHPLUGIN_H_ */