example/fbactivityfetcherplugin/fbactivityfetcherplugin.h
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     1 /**
       
     2  * Copyright (c) 2010 Sasken Communication Technologies Ltd.
       
     3  * All rights reserved.
       
     4  * This component and the accompanying materials are made available
       
     5  * under the terms of the "Eclipse Public License v1.0" 
       
     6  * which accompanies  this distribution, and is available
       
     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html"
       
     8  *
       
     9  * Initial Contributors:
       
    10  * Chandradeep Gandhi, Sasken Communication Technologies Ltd - Initial contribution
       
    11  *
       
    12  * Contributors:
       
    13  * Nalina Hariharan
       
    14  * 
       
    15  * Description:
       
    16  * The Plugin that fetches activities from the logged in user's facebook account
       
    17  *
       
    18  */
       
    19 
       
    20 #ifndef _FBACTIVITYFETCHERPLUGIN_H
       
    21 #define _FBACTIVITYFETCHERPLUGIN_H
       
    22 
       
    23 // Include files
       
    24 #include <QDateTime>
       
    25 #include <smfactivityfetcherplugin.h>
       
    26 
       
    27 // Forward declarations
       
    28 class FBActivityProviderBase;
       
    29 class QVariant;
       
    30 
       
    31 /**
       
    32  * The Plugin class that fetches activities from the logged in user's 
       
    33  * facebook account
       
    34  */
       
    35 class FBActivityFetcherPlugin : public QObject, public SmfActivityFetcherPlugin
       
    36 	{
       
    37 	Q_OBJECT
       
    38 	Q_INTERFACES( SmfActivityFetcherPlugin SmfPluginBase )
       
    39 
       
    40 public:
       
    41 	/**
       
    42 	 * Destructor
       
    43 	 */
       
    44 	virtual ~FBActivityFetcherPlugin( );
       
    45 	
       
    46 public: // From SmfActivityFetcherPlugin interface
       
    47 	
       
    48 	/**
       
    49 	 * Method to get the list of self activities, e.g. shown in own wall
       
    50 	 * @param aRequest [out] The request data that plugin generates (to be sent to network)
       
    51 	 * @param aPageNum[in] The page to be extracted
       
    52 	 * @param aItemsPerPage[in] Number of items per page
       
    53 	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
       
    54 	 */
       
    55 	SmfPluginError selfActivities( SmfPluginRequestData &aRequest,
       
    56 			const int aPageNum = SMF_FIRST_PAGE, 
       
    57 			const int aItemsPerPage = SMF_ITEMS_PER_PAGE );
       
    58 
       
    59 	/**
       
    60 	 * Method to get the list of activities for other, e.g. shown in a friends wall
       
    61 	 * @param aRequest [out] The request data plugin generated (to be sent to network)
       
    62 	 * @param aContact [in] The contact containing the URI, name or id of the user 
       
    63 	 * @param aPageNum[in] The page to be extracted
       
    64 	 * @param aItemsPerPage[in] Number of items per page
       
    65 	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
       
    66 	 */
       
    67 	SmfPluginError friendsActivities( SmfPluginRequestData &aRequest,
       
    68 			const SmfContact &aContact,			
       
    69 			const int aPageNum = SMF_FIRST_PAGE, 
       
    70 			const int aItemsPerPage = SMF_ITEMS_PER_PAGE );
       
    71 
       
    72 	/**
       
    73 	 * Method to get list of self activities filtered by activity type, e.g. only photo updates in own wall
       
    74 	 * @param aRequest [out] The request data plugin generated (to be sent to network)
       
    75 	 * @param aFilters [in] The list of activity types to be included in result
       
    76 	 * @param aPageNum[in] The page to be extracted
       
    77 	 * @param aItemsPerPage[in] Number of items per page
       
    78 	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
       
    79 	 */
       
    80 	SmfPluginError filtered( SmfPluginRequestData &aRequest,
       
    81 			QList<SmfActivityObjectType> &aFilters,
       
    82 			const int aPageNum = SMF_FIRST_PAGE, 
       
    83 			const int aItemsPerPage = SMF_ITEMS_PER_PAGE );
       
    84 	
       
    85 	/**
       
    86 	 * Customised method for SmfActivityFetcherPlugin interface
       
    87 	 * @param aRequest [out] The request data to be sent to network
       
    88 	 * @param aOperation The operation type (should be known between 
       
    89 	 * the client interface and the plugin)
       
    90 	 * @param aData The data required to form the request (The type 
       
    91 	 * of data should be known between client and the plugin)
       
    92 	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
       
    93 	 */
       
    94 	SmfPluginError customRequest( SmfPluginRequestData &aRequest, 
       
    95 			const int &aOperation, QByteArray *aData );
       
    96 	
       
    97 public: // From SmfPluginBase interface
       
    98 	/**
       
    99 	 * The first method to be called in the plugin that implements this interface.
       
   100 	 * If this method is not called, plugin may not behave as expected.
       
   101 	 */
       
   102 	void initialize( );
       
   103 	
       
   104 	/**
       
   105 	 * Method to get the provider information
       
   106 	 * @return Instance of SmfProviderBase
       
   107 	 */
       
   108 	SmfProviderBase* getProviderInfo( );
       
   109 	
       
   110 	/**
       
   111 	 * Method to get the result for a network request.
       
   112 	 * @param aOperation The type of operation to be requested
       
   113 	 * @param aTransportResult The result of transport operation
       
   114 	 * @param aResponse The QByteArray instance containing the network response.
       
   115 	 * The plugins should delete this instance once they have read the 
       
   116 	 * data from it.
       
   117 	 * @param aResult [out] An output parameter to the plugin manager.If the 
       
   118 	 * return value is SmfSendRequestAgain, QVariant will be of type 
       
   119 	 * SmfPluginRequestData.
       
   120 	 * For SmfActivityFetcherPlugin: If last operation was selfActivities() or 
       
   121 	 * friendsActivities() or filtered(), aResult will be of type 
       
   122 	 * QList<SmfActivityEntry>. 
       
   123 	 * @param aRetType [out] SmfPluginRetType
       
   124 	 * @param aPageResult [out] The SmfResultPage structure variable
       
   125 	 */
       
   126 	SmfPluginError responseAvailable( 
       
   127 			const SmfRequestTypeID aOperation,
       
   128 			const SmfTransportResult &aTransportResult, 
       
   129 			QByteArray *aResponse, 
       
   130 			QVariant* aResult, 
       
   131 			SmfPluginRetType &aRetType,
       
   132 			SmfResultPage &aPageResult );
       
   133 	
       
   134 private:
       
   135 	/**
       
   136 	 * Method called by plugins to generate a signature string from a base string
       
   137 	 * @param aBaseString The base string
       
   138 	 * @return The md5 hash of the base string
       
   139 	 */
       
   140 	QString generateSignature(const QString aBaseString);
       
   141 	
       
   142 	/**
       
   143 	 * Method to get the user's facebook ID
       
   144 	 * @param aRequest [out] The request data to be sent to network
       
   145 	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
       
   146 	 */
       
   147 	SmfPluginError getFacebookUserId( SmfPluginRequestData &aRequest );
       
   148 	
       
   149 	/**
       
   150 	 * Method to get the list of self activities, e.g. shown in own wall
       
   151 	 * @param aRequest [out] The request data that plugin generates (to be sent to network)
       
   152 	 * @param aPageNum[in] The page to be extracted
       
   153 	 * @param aItemsPerPage[in] Number of items per page
       
   154 	 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone
       
   155 	 */
       
   156 	SmfPluginError getSelfActivities(  SmfPluginRequestData &aRequest,
       
   157 			const int aPageNum = SMF_FIRST_PAGE, 
       
   158 			const int aItemsPerPage = SMF_ITEMS_PER_PAGE );
       
   159 	
       
   160 	/**
       
   161 	 * Method to convert the Activity verb string obtained from facebook to the 
       
   162 	 * enum SmfActivityVerb
       
   163 	 * @param verbStr The activity verb as a string
       
   164 	 * @return The corresponding enum SmfActivityVerb
       
   165 	 */
       
   166 	SmfActivityVerb convertActivityverb( const QString& verbStr );
       
   167 	
       
   168 	/**
       
   169 	 * Method to convert the Activity object type string obtained from 
       
   170 	 * facebook to the enum SmfActivityObjectType
       
   171 	 * @param objType The activity object type as a string
       
   172 	 * @return The corresponding enum SmfActivityObjectType
       
   173 	 */
       
   174 	SmfActivityObjectType convertActivityObjectType( const QString& verbStr );
       
   175 	
       
   176 	/**
       
   177 	 * Method to interpret the key sets obtained from credential manager 
       
   178 	 * @param aApiKey [out] The api key
       
   179 	 * @param aApiSecret [out] The api secret
       
   180 	 * @param aSessionKey [out] The session key
       
   181 	 * @param aSessionSecret [out] The session secret
       
   182 	 * @param aAppId [out] The application ID
       
   183 	 */
       
   184 	void fetchKeys(	QString &aApiKey, 
       
   185 			QString &aApiSecret, 
       
   186 			QString &aSessionKey, 
       
   187 			QString &aSessionSecret, 
       
   188 			QString &aAppId);
       
   189 	
       
   190 private:
       
   191 	FBActivityProviderBase *m_provider;
       
   192 	};
       
   193 
       
   194 
       
   195 
       
   196 /**
       
   197  * The Plugin class that implements SmfProviderBase for this facebook plugin
       
   198  */
       
   199 class FBActivityProviderBase : public QObject, public SmfProviderBase
       
   200 	{
       
   201 	Q_OBJECT
       
   202 	Q_INTERFACES( SmfProviderBase )
       
   203 
       
   204 public:
       
   205 	/**
       
   206 	 * Destructor
       
   207 	 */
       
   208 	virtual ~FBActivityProviderBase( );
       
   209 
       
   210 	/**
       
   211 	 * Method to get the Localisable name of the service.
       
   212 	 * @return The Localisable name of the service.
       
   213 	 */
       
   214 	QString serviceName( ) const;
       
   215 	
       
   216 	/**
       
   217 	 * Method to get the Logo of the service
       
   218 	 * @return The Logo of the service
       
   219 	 */
       
   220 	QImage serviceIcon( ) const;
       
   221 	
       
   222 	/**
       
   223 	 * Method to get the Readable service description
       
   224 	 * @return The Readable service description
       
   225 	 */
       
   226 	QString description( ) const;
       
   227 	
       
   228 	/**
       
   229 	 * Method to get the Website of the service
       
   230 	 * @return The Website of the service
       
   231 	 */
       
   232 	QUrl serviceUrl( ) const;
       
   233 	
       
   234 	/**
       
   235 	 * Method to get the URL of the Application providing this service
       
   236 	 * @return The URL of the Application providing this service
       
   237 	 */
       
   238 	QUrl applicationUrl( ) const;
       
   239 	
       
   240 	/**
       
   241 	 * Method to get the Icon of the application
       
   242 	 * @return The Icon of the application
       
   243 	 */
       
   244 	QImage applicationIcon( ) const;
       
   245 	
       
   246 	/**
       
   247 	* Method to get the list of interfaces that this provider support
       
   248 	* @return List of supported Interafces
       
   249 	*/
       
   250 	QList<QString> supportedInterfaces( ) const;
       
   251 	
       
   252 	/**
       
   253 	* Method to get the list of languages supported by this service provider
       
   254 	* @return a QStringList of languages supported by this service 
       
   255 	* provider in 2 letter ISO 639-1 format.
       
   256 	*/
       
   257 	QStringList supportedLanguages( ) const;
       
   258 	
       
   259 	/**
       
   260 	 * Method to get the Plugin specific ID
       
   261 	 * @return The Plugin specific ID
       
   262 	 */
       
   263 	QString pluginId( ) const;
       
   264 	
       
   265 	/**
       
   266 	 * Method to get the ID of the authentication application 
       
   267 	 * for this service
       
   268 	 * @param aProgram The authentication application name
       
   269 	 * @param aArguments List of arguments required for authentication app
       
   270 	 * @param aMode Strting mode for authentication application
       
   271 	 * @return The ID of the authentication application 
       
   272 	 */
       
   273 	QString authenticationApp( QString &aProgram, QStringList & aArguments, 
       
   274 			QIODevice::OpenModeFlag aMode = QIODevice::ReadWrite ) const;
       
   275 	
       
   276 	/**
       
   277 	 * Method to get the unique registration ID provided by the 
       
   278 	 * Smf for authorised plugins
       
   279 	 * @return The unique registration ID/token provided by the Smf for 
       
   280 	 * authorised plugins
       
   281 	 */
       
   282 	QString smfRegistrationId( ) const;
       
   283 	
       
   284 private:
       
   285 	/**
       
   286 	 * Method that initializes this class. This method should be called 
       
   287 	 * from the initialize() method of the FBActivityFetcherPlugin class
       
   288 	 */
       
   289 	void initialize();
       
   290 	
       
   291 private:
       
   292 	friend class FBActivityFetcherPlugin;
       
   293 	QString m_serviceName;
       
   294 	QImage m_serviceIcon;
       
   295 	QString m_description;
       
   296 	QUrl m_serviceUrl;
       
   297 	QUrl m_applicationUrl;
       
   298 	QImage m_applicationIcon;
       
   299 	QString m_pluginId;
       
   300 	QString m_authAppId;
       
   301 	QString m_smfRegToken;
       
   302 	QList<QString> m_supportedInterfaces;
       
   303 	QStringList m_supportedLangs;
       
   304 	QDateTime m_validity;
       
   305 	};
       
   306 
       
   307 #endif /*_FBACTIVITYFETCHERPLUGIN_H*/