wvuing/wvuipresence/inc/MCAPresence.h
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     1 /*
       
     2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "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 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Presence handling interface for clients.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef MCAPRESENCE_H
       
    20 #define MCAPRESENCE_H
       
    21 
       
    22 // INCLUDES
       
    23 #include <e32std.h>
       
    24 #include <badesca.h>
       
    25 #include "impsbuilddefinitions.h"
       
    26 
       
    27 // FORWARD DECLARATIONS
       
    28 class MCAPresenceObserver;
       
    29 class MCAWatcherObserver;
       
    30 class MCAContactLists;
       
    31 class CCAPresenceErrors;
       
    32 class CPEngNWSessionSlotID2;
       
    33 class MCAStoredContact;
       
    34 class MCAReactiveAuthObserver;
       
    35 
       
    36 struct SServerPrefers;
       
    37 
       
    38 // CLASS DECLARATION
       
    39 
       
    40 /**
       
    41 *  Presence handling interface for UI.
       
    42 *
       
    43 *  @lib CAPresence.lib
       
    44 *  @since 1.2
       
    45 */
       
    46 class MCAPresence
       
    47     {
       
    48     public:
       
    49 
       
    50         enum TSubscribeMode
       
    51             {
       
    52             ESubscribe,		// Subscribe
       
    53             EUnSubscribe	// Unsubscribe
       
    54             };
       
    55 
       
    56         enum TAuthorizationMode
       
    57             {
       
    58             EAuthorizedToAll,	  // Everybody can see your presence
       
    59             EAuthorizedToFriends, // Only friends can see your presence
       
    60             EAuthorizedToNone	  // Nobody can see your presence
       
    61             };
       
    62 
       
    63         enum TNetworkStatus
       
    64             {
       
    65             ELoggedIn,		// Client is logged in
       
    66             ELoggedOut,		// Client is logged out
       
    67             ELoggingOut,    // Client is about to log out
       
    68             EUpdateBrand    // Brand status of client is changed
       
    69             };
       
    70 
       
    71         enum TPresenceStatus
       
    72             {
       
    73             EUnknown = -1,
       
    74             EOffline,
       
    75             EOnline,
       
    76             EAway,
       
    77             EBusy
       
    78             };
       
    79 
       
    80         enum TDynamicAttributes
       
    81             {
       
    82             EAliasAttr = 0
       
    83             // add more here
       
    84             };
       
    85 
       
    86     public:
       
    87 
       
    88         /**
       
    89         * If network state changes, module state should be updated by calling
       
    90         * this method.
       
    91         * @param aState New state.
       
    92         * @param aServerPreferences Server preferences structure
       
    93         */
       
    94         virtual void HandleNetworkStateL( TNetworkStatus aState,
       
    95                                           const SServerPrefers& aServerPreferences,
       
    96                                           CPEngNWSessionSlotID2* aSessionSlotID = NULL ) = 0;
       
    97 
       
    98         /**
       
    99         * If some setting value changes, this must be called for presence
       
   100         * module to have correct behaviour
       
   101         * @param aState New state.
       
   102         */
       
   103         virtual void HandleSettingsChangeL( TInt aChangedSettingEnum ) = 0;
       
   104 
       
   105         /**
       
   106         * Registers observer for presence data changes in friends-list.
       
   107         * Unregister can be by passing NULL pointer.
       
   108         * @param aObserver Pointer to observer
       
   109         */
       
   110         virtual void SetPresenceObserver( MCAPresenceObserver* aObserver ) = 0;
       
   111 
       
   112         /**
       
   113         * Retrieves the observer.
       
   114         * @return Pointer to the observer.
       
   115         */
       
   116         virtual MCAPresenceObserver* PresenceObserver() const = 0;
       
   117 
       
   118         /**
       
   119         * Registers observer for presence data changes in friends-list.
       
   120         * Unregister can be by passing NULL pointer.
       
   121         * @param aObserver Pointer to observer.
       
   122         */
       
   123         virtual void SetWatcherObserver( MCAWatcherObserver* aObserver ) = 0;
       
   124 
       
   125         /**
       
   126         * Adds a contact, whose presence status is monitored and if
       
   127         * it changes, then client receives an event through.
       
   128         * MCAWatcherObserver-interface. Given contact must be in friends-list!
       
   129         * @param aWatchList Contact, that gets added.
       
   130         */
       
   131         virtual void AddWatcherL( const TDesC& aWVId ) = 0;
       
   132 
       
   133         /**
       
   134         * Removes a contact from observed contacts list.
       
   135         * Given contact must be in observed list.
       
   136         * @param aWatchList Contact, that is to be removed.
       
   137         */
       
   138         virtual void RemoveWatcherL( const TDesC& aWVId ) = 0;
       
   139 
       
   140         /**
       
   141         * Refreshes friends-storage presence data.
       
   142         */
       
   143         virtual void RefreshFriendsL() = 0;
       
   144 
       
   145         /**
       
   146         * Places all friends (from aUserList) that are online to aOnlineList
       
   147         * and users that are offline to aOfflineList.
       
   148         * @param aUserList List of users, whose presence data is to be fetched.
       
   149         * @param aOnlineList List of users, that are online, can be NULL.
       
   150         * @param aOfflineList List of users, that are offline, can be NULL.
       
   151         * @param aUpdateStorage If ETrue, contact storage flags are updated
       
   152         */
       
   153         virtual void GetOnlineUsersL(
       
   154             const CDesCArray& aUserList,
       
   155             CDesCArray* aOnlineList,
       
   156             CDesCArray* aOfflineList,
       
   157             TBool aUpdateStorage = EFalse ) = 0;
       
   158 
       
   159         /**
       
   160         * Fills aOnlineList with the user id's from friends-list that are
       
   161         * online.
       
   162         * @param aOnlineList List that will be populated with online friends.
       
   163         * @param aFetchFromNetwork Fetch presence information from network
       
   164         */
       
   165         virtual void GetOnlineFriendsL( CDesCArray& aOnlineList,
       
   166                                         TBool aFetchFromNetwork = EFalse ) = 0;
       
   167 
       
   168         /**
       
   169         * Subscribes/Unsubscribes friends-list
       
   170         * @param aMode Request type
       
   171         * @param aForced Force operation even if application settings state
       
   172         * that application is in manual-mode
       
   173         */
       
   174         virtual void SubscribeFriendsL( const TSubscribeMode aMode ) = 0;
       
   175 
       
   176         /**
       
   177         * Returns list-handling interface
       
   178         * @return List-handling interface
       
   179         */
       
   180         virtual MCAContactLists* ContactLists() = 0;
       
   181 
       
   182         /**
       
   183         * Returns a reference to error container, that was filled by the last
       
   184         * operation response.
       
   185         * @return Reference to error container
       
   186         */
       
   187         virtual const CCAPresenceErrors& LastOperationResult() const = 0;
       
   188 
       
   189         /**
       
   190          * Cancel pending requests to network
       
   191          * @since 2.5
       
   192          */
       
   193         virtual void CancelPendingRequests() = 0;
       
   194 
       
   195         /**
       
   196          * Synchronizes our presence-related settings to the server
       
   197          * (subcriptions to the friends, presence authorization).
       
   198          * aServerPreferences The resource branded flags for this server,
       
   199                               in a struct
       
   200          * @since 2.5
       
   201          */
       
   202         virtual void SynchronizePresenceSettingsL(
       
   203             const SServerPrefers& aServerPreferences ) = 0;
       
   204 
       
   205         /**
       
   206          * Changes client own presence status, and sets status message
       
   207          * @param aStatus Presence status
       
   208          * @param aStatusMessage Presence status message
       
   209          * @return Error code.
       
   210          */
       
   211         virtual TInt ChangeStatusL( TPresenceStatus aStatus,
       
   212                                     const TDesC& aStatusMessage ) = 0;
       
   213 
       
   214         /**
       
   215          * Changes presence status message
       
   216          * @param aStatusMessage Presence status message
       
   217          * @return Operation error.
       
   218          */
       
   219         virtual TInt ChangeStatusMessageL( const TDesC& aStatusMessage ) = 0;
       
   220 
       
   221         /**
       
   222          * Gets client own current presence status
       
   223          * @return current presence status
       
   224          */
       
   225         virtual TPresenceStatus StatusL()  = 0;
       
   226         /**
       
   227          * Get alias for given user.
       
   228          * Use this only for one-shot rare operations.
       
   229          * @param aUserId The user id for which to fetch alias attribute
       
   230          * @return The alias, ownership is transferred.
       
   231          * Leaves with KErrNotFound if the alias cannot be found,
       
   232          * otherwise some other KErr-code (e.g. KErrNoMemory)
       
   233          */
       
   234         virtual HBufC* AliasL( const TDesC& aUserId ) = 0;
       
   235 
       
   236         /**
       
   237          * Get alias for given user.
       
   238          * Use this only for one-shot rare operations.
       
   239          * @param aContact The user for which to fetch alias attribute
       
   240          * @return The alias, ownership is transferred.
       
   241          * Leaves with KErrNotFound if the alias cannot be found,
       
   242          * otherwise some other KErr-code (e.g. KErrNoMemory)
       
   243          */
       
   244         virtual HBufC* AliasL( MCAStoredContact* aContact ) = 0;
       
   245 
       
   246         /**
       
   247          * Adds own presence status observer.
       
   248          * Leaves with KErrNotReady if not logged in.
       
   249          */
       
   250         virtual void AddOwnPresenceStatusObserverL(
       
   251             MCAPresenceObserver* aObserver )  = 0;
       
   252 
       
   253         /**
       
   254          * Initializes presence engine interface
       
   255          */
       
   256         virtual void InitializePresenceAPIL(
       
   257             CPEngNWSessionSlotID2& aSessionSlotID )  = 0;
       
   258 
       
   259         /**
       
   260          * Add given attribute to the list of attributes.
       
   261          * After this the new attributesd will be
       
   262          * subscribed to.
       
   263          * @param aAttribute The attribute to add
       
   264          */
       
   265         virtual void AddAttributeL( TInt aAttribute ) = 0;
       
   266 
       
   267         /**
       
   268          * Remove given attribute from the list of attributes
       
   269          * After this the new attributesd will be
       
   270          * subscribed to.
       
   271          * @param aAttribute The attribute to remove
       
   272          */
       
   273         virtual void RemoveAttributeL( TInt aAttribute ) = 0;
       
   274 
       
   275         /**
       
   276          * Reset the attributes to defaults.
       
   277          * @param aNotifyListManager Notify the list manager about the
       
   278          * resetting (ETrue), or not (EFalse)
       
   279          */
       
   280         virtual void ResetAttributesL( TBool aNotifyListManager = ETrue ) = 0;
       
   281 
       
   282         /**
       
   283          * Update the alias data to network server, if supported
       
   284          */
       
   285         virtual void UpdateAliasAttributeL() = 0;
       
   286 
       
   287         /**
       
   288          * Set the observer for reactive authorization
       
   289          */
       
   290         virtual void SetReactiveAuthObserver(
       
   291             MCAReactiveAuthObserver* aRAObserver ) = 0;
       
   292 
       
   293         /**
       
   294          * Send reactive authorization response
       
   295          * @param aId The id number given through observer
       
   296          * @param aResponse The response, ETrue if authorizing,
       
   297                             EFalse if denying
       
   298          */
       
   299         virtual void SendReactiveAuthResponseL( TInt aId, TBool aResponse ) = 0;
       
   300 
       
   301         /**
       
   302          * @return The number of pending requests
       
   303          */
       
   304         virtual TInt PendingRARequestCount() = 0;
       
   305 
       
   306         /**
       
   307          * Get the information from the next reactive authorization request for
       
   308          * processing
       
   309          * @param aId Will contain the id for the request
       
   310          * @param aUserId Will contain the user id
       
   311          * @param aLastPos Position of previous found request in queue
       
   312          * @return ETrue if there is another request in the queue
       
   313          */
       
   314         virtual TBool GetNextPendingRARequestL( TInt& aId, TDes& aUserId,
       
   315                                                 TInt& aLastPos ) = 0;
       
   316 
       
   317         /**
       
   318          * @return The number of new status messages
       
   319          */
       
   320         virtual TInt RAStatusCount() = 0;
       
   321 
       
   322         /**
       
   323          * Get the information from the next reactive authorization status
       
   324          * request for processing
       
   325          * @param aId Will contain the id for the request
       
   326          * @param aStatus ETrue if accepted, EFalse if denied
       
   327          * @param aUserId Will contain the user id
       
   328          * @param aLastPos Position of previous found request in queue
       
   329          * @return ETrue if there is another request in the queue
       
   330          */
       
   331         virtual TBool GetNextRAStatusL( TInt& aId, TBool& aStatus,
       
   332                                         TDes& aUserId, TInt& aLastPos ) = 0;
       
   333 
       
   334         /**
       
   335          * Called after the login is fully done, this method will notify the
       
   336          * observers of any RA messages received during the login phase.
       
   337          */
       
   338         virtual void PostLoginRAFlushL() = 0;
       
   339 
       
   340     protected:
       
   341 
       
   342         /**
       
   343         * Destructor.
       
   344         */
       
   345         virtual ~MCAPresence() {};
       
   346     };
       
   347 
       
   348 #endif      // MCAPRESENCE_H
       
   349 
       
   350 // End of File
       
   351