--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/example/lastfmmusicsearchplugin/lastfmmusicsearchplugin.h Thu Sep 23 17:15:03 2010 +0530
@@ -0,0 +1,335 @@
+/**
+ * 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:
+ * Nalina Hariharan
+ *
+ * Description:
+ * The Plugin that does music search related functionalities from last.fm site
+ *
+ */
+
+#ifndef _LASTFMMUSICSEARCHPLUGIN_H
+#define _LASTFMMUSICSEARCHPLUGIN_H
+
+// Include files
+#include <smfmusicsearchplugin.h>
+
+// Class declaration
+class LastFmMusicSearchProviderBase;
+class QVariant;
+
+/**
+ * The Plugin does music serach related functionalities from last.fm site
+ */
+class LastFmMusicSearchPlugin : public QObject, public SmfMusicSearchPlugin
+ {
+ Q_OBJECT
+ Q_INTERFACES( SmfMusicSearchPlugin SmfPluginBase )
+
+public:
+ /**
+ * Destructor
+ */
+ virtual ~LastFmMusicSearchPlugin ( );
+
+public: // From SmfMusicSearchPlugin interface
+ /**
+ * 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
+ */
+ SmfPluginError recommendations( SmfPluginRequestData &aRequest,
+ const SmfTrackInfo &aTrack,
+ const int aPageNum = SMF_FIRST_PAGE,
+ const int aItemsPerPage = SMF_ITEMS_PER_PAGE );
+
+ /**
+ * Method to search for tracks similar to a given track
+ * @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
+ */
+ SmfPluginError tracksSimilar( SmfPluginRequestData &aRequest,
+ const SmfTrackInfo &aTrack,
+ const int aPageNum = SMF_FIRST_PAGE,
+ const int aItemsPerPage = SMF_ITEMS_PER_PAGE );
+
+ /**
+ * Method to search for tracks of a given album
+ * @param aRequest [out] The request data to be sent to network
+ * @param aAlbum The album whose 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
+ */
+ SmfPluginError tracksOfAlbum( SmfPluginRequestData &aRequest,
+ const SmfAlbum &aAlbum,
+ const int aPageNum = SMF_FIRST_PAGE,
+ const int aItemsPerPage = SMF_ITEMS_PER_PAGE );
+
+ /**
+ * Method to search for tracks of the given artist(s)
+ * @param aRequest [out] The request data to be sent to network
+ * @param aArtist The artist(s) whose 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
+ */
+ SmfPluginError tracksOfArtist( SmfPluginRequestData &aRequest,
+ const SmfArtists &aArtist,
+ const int aPageNum = SMF_FIRST_PAGE,
+ const int aItemsPerPage = SMF_ITEMS_PER_PAGE );
+
+ /**
+ * 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
+ */
+ SmfPluginError trackInfo( SmfPluginRequestData &aRequest,
+ const SmfMusicFingerPrint &aSignature,
+ const int aPageNum = SMF_FIRST_PAGE,
+ const int aItemsPerPage = SMF_ITEMS_PER_PAGE );
+
+ /**
+ * 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
+ */
+ SmfPluginError stores( SmfPluginRequestData &aRequest,
+ const SmfTrackInfo &aTrack,
+ const int aPageNum = SMF_FIRST_PAGE,
+ const int aItemsPerPage = SMF_ITEMS_PER_PAGE );
+
+ /**
+ * Customised method for SmfMusicSearchPlugin interface
+ * @param aRequest [out] The request data to be sent to network
+ * @param aOperation The operation type (should be known between
+ * the client interface and the plugin)
+ * @param aData The data required to form the request (The type
+ * of data should be known between client and the plugin)
+ * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
+ */
+ SmfPluginError customRequest( SmfPluginRequestData &aRequest,
+ const int &aOperation, QByteArray *aData );
+
+public: // From SmfPluginBase interface
+ /**
+ * The first method to be called in the plugin that implements this interface.
+ * If this method is not called, plugin may not behave as expected.
+ */
+ void initialize( );
+
+ /**
+ * Method to get the provider information
+ * @return Instance of SmfProviderBase
+ */
+ SmfProviderBase* getProviderInfo( );
+
+ /**
+ * Method to get the result for a network request.
+ * @param aOperation The type of operation to be requested
+ * @param aTransportResult The result of transport operation
+ * @param aResponse The QByteArray instance containing the network response.
+ * The plugins should delete this instance once they have read the
+ * data from it.
+ * @param aResult [out] An output parameter to the plugin manager.If the
+ * return value is SmfSendRequestAgain, QVariant will be of type
+ * SmfPluginRequestData.
+ * For SmfMusicSearchPlugin: If last operation was recommendations(),
+ * tracksSimilar() or tracksOfAlbum() or tracksOfArtist() or trackInfo(),
+ * aResult will be of type QList<SmfTrackInfo>.
+ * If last operation was stores(), aResult will be of type QList<SmfProvider>.
+ * @param aRetType [out] SmfPluginRetType
+ * @param aPageResult [out] The SmfResultPage structure variable
+ */
+ SmfPluginError responseAvailable(
+ const SmfRequestTypeID aOperation,
+ const SmfTransportResult &aTransportResult,
+ QByteArray *aResponse,
+ QVariant* aResult,
+ SmfPluginRetType &aRetType,
+ SmfResultPage &aPageResult );
+
+private:
+ /**
+ * Method called by plugins to generate a signature string from a base string
+ * @param aBaseString The base string
+ * @return The md5 hash of the base string
+ */
+ QString generateSignature(const QString aBaseString);
+
+ /**
+ * Method to interpret the key sets obtained from credential manager
+ * @param aApiKey [out] The api key
+ * @param aApiSecret [out] The api secret
+ * @param aSessionKey [out] The session key
+ * @param aToken [out] The session token
+ */
+ void fetchKeys( QString &aApiKey,
+ QString &aApiSecret,
+ QString &aToken );
+
+ /**
+ * Method to get the last.fm specific ID of the given album
+ * @param aRequest [out] The request data to be sent to network
+ * @param aAlbum The album whose tracks need to be fetched.
+ * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
+ */
+ SmfPluginError getAlbumId( SmfPluginRequestData &aRequest,
+ const SmfAlbum &aAlbum );
+ /**
+ * Method to search for tracks of a given album using its ID in last.fm
+ * @param aRequest [out] The request data to be sent to network
+ * @param aAlbum The album whose tracks need to be fetched.
+ * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
+ */
+ SmfPluginError getTracksOfAlbum( SmfPluginRequestData &aRequest,
+ const SmfAlbum &aAlbum );
+
+ /**
+ * Method to get the current country name as per ISO 3166-1 standard.
+ * @return Current country name
+ */
+ QString currentCountryName() const;
+
+private: // Data
+ LastFmMusicSearchProviderBase *m_provider;
+ };
+
+
+
+/**
+ * The Plugin class that implements SmfProviderBase for this last.fm plugin
+ */
+class LastFmMusicSearchProviderBase : public QObject, public SmfProviderBase
+ {
+ Q_OBJECT
+ Q_INTERFACES( SmfProviderBase )
+
+public:
+ /**
+ * Destructor
+ */
+ virtual ~LastFmMusicSearchProviderBase( );
+
+ /**
+ * Method to get the Localisable name of the service.
+ * @return The Localisable name of the service.
+ */
+ QString serviceName( ) const;
+
+ /**
+ * Method to get the Logo of the service
+ * @return The Logo of the service
+ */
+ QImage serviceIcon( ) const;
+
+ /**
+ * Method to get the Readable service description
+ * @return The Readable service description
+ */
+ QString description( ) const;
+
+ /**
+ * Method to get the Website of the service
+ * @return The Website of the service
+ */
+ QUrl serviceUrl( ) const;
+
+ /**
+ * Method to get the URL of the Application providing this service
+ * @return The URL of the Application providing this service
+ */
+ QUrl applicationUrl( ) const;
+
+ /**
+ * Method to get the Icon of the application
+ * @return The Icon of the application
+ */
+ QImage applicationIcon( ) const;
+
+ /**
+ * Method to get the list of interfaces that this provider support
+ * @return List of supported Interafces
+ */
+ QList<QString> supportedInterfaces( ) const;
+
+ /**
+ * Method to get the list of languages supported by this service provider
+ * @return a QStringList of languages supported by this service
+ * provider in 2 letter ISO 639-1 format.
+ */
+ QStringList supportedLanguages( ) const;
+
+ /**
+ * Method to get the Plugin specific ID
+ * @return The Plugin specific ID
+ */
+ QString pluginId( ) const;
+
+ /**
+ * Method to get the ID of the authentication application
+ * for this service
+ * @param aProgram The authentication application name
+ * @param aArguments List of arguments required for authentication app
+ * @param aMode Strting mode for authentication application
+ * @return The ID of the authentication application
+ */
+ QString authenticationApp( QString &aProgram, QStringList & aArguments,
+ QIODevice::OpenModeFlag aMode = QIODevice::ReadWrite ) const;
+
+ /**
+ * Method to get the unique registration ID provided by the
+ * Smf for authorised plugins
+ * @return The unique registration ID/token provided by the Smf for
+ * authorised plugins
+ */
+ QString smfRegistrationId( ) const;
+
+private:
+ /**
+ * Method that initializes this class. This method should be called
+ * from the initialize() method of the FBContactFetcherPlugin class
+ */
+ void initialize();
+
+private:
+ friend class LastFmMusicSearchPlugin;
+ QString m_serviceName;
+ QImage m_serviceIcon;
+ QString m_description;
+ QUrl m_serviceUrl;
+ QUrl m_applicationUrl;
+ QImage m_applicationIcon;
+ QString m_pluginId;
+ QString m_authAppId;
+ QString m_smfRegToken;
+ QList<QString> m_supportedInterfaces;
+ QStringList m_supportedLangs;
+ QDateTime m_validity;
+ };
+
+#endif //_LASTFMMUSICSEARCHPLUGIN_H