ipsservices/ipssosaoplugin/inc/IpsSosAOMboxLogic.h
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     1 /*
       
     2 * Copyright (c) 2008 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: 
       
    15 *     Contains mailbox specified always online logic
       
    16 *
       
    17 */
       
    18 
       
    19 #ifndef IPSSOSAOMBOXLOGIC_CPP_
       
    20 #define IPSSOSAOMBOXLOGIC_CPP_
       
    21 
       
    22 #include <e32base.h> 
       
    23 #include <msvapi.h>
       
    24 
       
    25 //<cmail> removing internal dependency
       
    26 /*#ifdef _DEBUG
       
    27 #include "../../internal/IpsSosAOPluginTester/inc/IpsSosAOPluginTester.hrh"
       
    28 #endif // _DEBUG*/
       
    29 //</cmail>
       
    30 
       
    31 #include "IpsSosAOBaseAgent.h"
       
    32 #include "IpsSetDataExtension.h"
       
    33 #include "IpsSosAOPluginTimer.h"
       
    34 //<cmail>
       
    35 //</cmail>
       
    36 
       
    37 class CIpsSetDataApi;
       
    38 class CIpsSosAOBaseAgent;
       
    39 class CIpsSetDataExtension;
       
    40 class CIpsSosAOImapPopLogic;
       
    41 
       
    42 /**
       
    43 * class CIpsSosAOImapPopLogic;
       
    44 *
       
    45 */
       
    46 class CIpsSosAOMBoxLogic : 
       
    47     public CBase, 
       
    48                            public MIpsSosAOPluginTimerCallBack,
       
    49                            public MIpsSosAOAgentOperationResponse
       
    50     {
       
    51 
       
    52 public:
       
    53     
       
    54     /**
       
    55     * Two phased constructor
       
    56     * @return self pointer
       
    57     */
       
    58     static CIpsSosAOMBoxLogic* NewL( 
       
    59             CMsvSession& aSession,
       
    60             TMsvId aMailboxId );
       
    61 
       
    62     /**
       
    63     * Destructor
       
    64     */
       
    65     virtual ~CIpsSosAOMBoxLogic();
       
    66 
       
    67 public: 
       
    68     
       
    69     // from MIpsSosAOPluginTimerCallBack
       
    70     virtual void TimerFiredL();
       
    71     
       
    72     // from MIpsSosAOAgentOperationResponse
       
    73     virtual void OperationCompletedL( TInt aError );
       
    74     
       
    75 public:
       
    76     
       
    77     enum TMboxLogicCommand
       
    78         {
       
    79         // starts timed sync, or set logic to idle 
       
    80         // state to wait other commands
       
    81         ECommandStart,
       
    82         // cancel all ongoing operation and switch logic
       
    83         // to error state
       
    84         ECommandStop,
       
    85         // suspends logic to certain period of time
       
    86         ECommandSuspend,
       
    87         // continue suspended logic, does nothing if not
       
    88         // suspended
       
    89         ECommandContinue,
       
    90         // starts sync if connection is allowed,
       
    91         // used if emn is received
       
    92         ECommandStartSync,
       
    93         // inform roaming state. If sync is not allowed
       
    94         // in roaming state, stops logic 
       
    95         ECommandStartedRoaming,
       
    96         // inform home network state. Starts logic if it
       
    97         // is stopped
       
    98         ECommandStoppedRoaming,
       
    99         // cancel all ongoing operations and disconnect if mailbox
       
   100         // is connected state
       
   101         ECommandCancelAndDisconnect, 
       
   102         // cancel all but not disconnect
       
   103         ECommandCancelDoNotDiconnect,
       
   104         // mailbox is not disconnected if box is connected
       
   105         // non of ongoing operations are cancelled
       
   106         ECommandDoNotDisconnect,
       
   107         // clear do not disconnect flag, it's also
       
   108         // cleared if mailbox is disconnected elsewhere
       
   109         ECommandClearDoNotDisconnect
       
   110         };
       
   111     
       
   112     enum TMBoxLogicState
       
   113         {
       
   114         // in this state timer is waiting to sync start
       
   115         EStateWaitSyncStart = 0,
       
   116         //
       
   117         EStateSyncOngoing,
       
   118         //
       
   119         EStateFetchOngoing,
       
   120         //
       
   121         EStateSuspended,
       
   122         //
       
   123         EStateIdleAndWaitCommands,
       
   124         // in error state not taking any commands exept start
       
   125         EStateError
       
   126         };
       
   127     
       
   128     /*
       
   129      * Used by imap pop logic object to send commands to this logic object
       
   130      * @param aCommand TMBoxLogicCommand 
       
   131      */
       
   132     void SendCommandL( TInt aCommand );
       
   133     
       
   134     /*
       
   135      * Starts fetching messages 
       
   136      * NOTE: this is not currently used or tested, function can be 
       
   137      * used if IMAP-IDLE supportis needed
       
   138      * @param aArray msv id array of messages to be fetched
       
   139      */
       
   140     void FetchMessagesL( const RArray<TMsvId> aArray );
       
   141     
       
   142     /*
       
   143      * Gets mailbox id of logic object
       
   144      * @return msv id of the service
       
   145      */
       
   146     TMsvId GetMailboxId();
       
   147     
       
   148     /*
       
   149      * Gets reference to agent object
       
   150      * not currently used
       
   151      * @return reference to agent object
       
   152      */
       
   153     CIpsSosAOBaseAgent& GetAgent() const;
       
   154     
       
   155     /*
       
   156      * Gets emn state of mailbox settings
       
   157      * @return ETrue if emn is on
       
   158      */
       
   159     TBool IsEmnOn() const;
       
   160     
       
   161     /*
       
   162      * Gets TMboxLogicState of this logic object
       
   163      * @return TMBoxLogicState
       
   164      */
       
   165     TInt GetCurrentState() const;
       
   166     
       
   167     /*
       
   168      * Gets current error code
       
   169      * @return iError value
       
   170      */
       
   171     TInt GetCurrentError() const;
       
   172     
       
   173     /*
       
   174      * Gets email address from settings
       
   175      * @param aEmailAddress mailbox email address
       
   176      */
       
   177     void GetEmailAddress(  
       
   178         TBuf<KIpsSosAOTextBufferSize>& aEmailAddress ) const;
       
   179 
       
   180     /*
       
   181      * Sets new value to emn received but no synced flag in
       
   182      * mailbox settings
       
   183      * @param aNewValue new value of flag
       
   184      */
       
   185      //<cmail>
       
   186     void SetEmnReceivedFlagL( TBool aNewValue );
       
   187     //</cmail>
       
   188     
       
   189     /*
       
   190      * Gets mailbox roaming stopped status
       
   191      * @return ETrue if roaming and mailbox logic is stopped during roaming
       
   192      */
       
   193      //<cmail>
       
   194     TBool IsMailboxRoamingStoppedL();
       
   195     //</cmail>
       
   196 
       
   197 	/**
       
   198      * Has mailbox ever received and OMA EMN
       
   199      */
       
   200     TBool FirstEMNReceived();
       
   201     
       
   202     /**
       
   203      * First OMA EMN has been received.
       
   204      * Sets a flag to indicate the reception of fist OMA EMN,
       
   205      * Changes settings to "after notification", which means
       
   206      * turning off alwaysonline and using OMA EMN only.
       
   207      */
       
   208     void SetFirstEMNReceived();
       
   209     
       
   210 private:
       
   211     
       
   212     /*
       
   213      * internal events which are generated when timer tricks of whne
       
   214      * command is sent to logic
       
   215      */
       
   216     enum TMBoxLogicEvent 
       
   217         {
       
   218         EEventTimerFired,
       
   219         EEventStartSync,
       
   220         EEventFetchMessages,
       
   221         EEventOperationCompleted,
       
   222         EEventSuspendOperations,
       
   223         EEventContinueOperations,
       
   224         EEventStart,
       
   225         EEventStopAndRemoveOps,
       
   226         EEventNop
       
   227         };
       
   228     
       
   229 private:
       
   230     
       
   231     /**
       
   232     * Constructor
       
   233     */
       
   234     CIpsSosAOMBoxLogic(             
       
   235             CMsvSession& aSession,
       
   236             TMsvId aMailboxId );
       
   237 
       
   238     /**
       
   239     * Second phase constructor
       
   240     */
       
   241     void ConstructL();
       
   242     
       
   243     /*
       
   244      * Switch state according to event, all state transion
       
   245      * are handled in this function according to event parameter.
       
   246      */
       
   247     void HandleEventAndSwitchStateL( TInt aEvent );
       
   248     
       
   249     /*
       
   250      * is called by timer object
       
   251      */
       
   252     TInt HandleTimerFiredL();
       
   253     
       
   254     /*
       
   255      * is called when agent have completed its async operation
       
   256      */
       
   257     TInt HandleOperationCompletionL();
       
   258     
       
   259     /*
       
   260      * checks is operation completion error fatal and should timed sync swithc off
       
   261      */
       
   262      //<cmail>
       
   263     TBool IsErrorFatalL( TInt aError );
       
   264     //</cmail>
       
   265     
       
   266     /*
       
   267      * Suspends ongoing sync (or fetch) and swiths logic to suspend state
       
   268      */
       
   269     void SuspendOperations();
       
   270     
       
   271     /*
       
   272      * Checks is it time to start sync or set timer back on
       
   273      * returns event to handle event and switch state loop
       
   274      */
       
   275     TMBoxLogicEvent CheckSchedulingAndSwitchStateL();
       
   276     
       
   277     /*
       
   278      * calculates next interval (clock) time
       
   279      */
       
   280     void CalculateToNextIntervalL();
       
   281     
       
   282     /*
       
   283      * calculates seconds to next sync
       
   284      */
       
   285     TTimeIntervalSeconds CalculateScheduledSyncTimeL();
       
   286     
       
   287     /*
       
   288      * destroys old setting object and loads it again from setttings
       
   289      */
       
   290     void LoadSettingsL();
       
   291     
       
   292     /*
       
   293      * saves successfull sync time to mailbox settings
       
   294      */
       
   295     void SaveSuccessfulSyncTimeL();
       
   296     
       
   297     /*
       
   298      * checks from settings is connect allowed in roaming state
       
   299      */
       
   300     TBool CanConnectIfRoamingL();
       
   301 
       
   302 // <cmail> removing flags    
       
   303 /*#ifdef IPSSOSIMAPPOLOGGING_ON
       
   304     void WriteDebugData( TInt aEvent );
       
   305 #endif*/
       
   306 //</cmail>
       
   307     
       
   308 private:
       
   309     
       
   310     CMsvSession&                    iSession;
       
   311     TMsvId                          iMailboxId;
       
   312     TMBoxLogicState                 iState;
       
   313     TInt                            iErrorCounter;
       
   314     TInt                            iError;
       
   315     CIpsSosAOPluginTimer*           iTimer;
       
   316     // message fetch is not currently used
       
   317     RArray<TMsvId>                  iFetchMsgArray;
       
   318     CIpsSetDataApi*                 iDataApi;
       
   319     CIpsSosAOBaseAgent*             iAgent;
       
   320     CIpsSetDataExtension*           iExtendedSettings;
       
   321     TBool                           iIsRoaming;
       
   322     };
       
   323 
       
   324 #endif /*IPSSOSAOMBOXLOGIC_CPP_*/