messagingappbase/mce/src/mceiaupdateutils.cpp
branchRCL_3
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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:  
       
    15 *     Application class for Mce.
       
    16 *
       
    17 */
       
    18 
       
    19 // system include files go here:
       
    20 
       
    21 #include <iaupdate.h>
       
    22 #include <iaupdateparameters.h>
       
    23 #include <iaupdateresult.h>
       
    24 #include <featmgr.h>
       
    25 
       
    26 // user include files go here:
       
    27 #include "mceui.h"
       
    28 #include "mceiaupdateutils.h"
       
    29 #include "MceLogText.h"
       
    30 
       
    31 // CONSTANT 
       
    32 
       
    33 // Defines the time span in hours for the next IAD update check event 
       
    34 // which will be trigered.
       
    35 const TInt KMceIADUpdateCheckRetryInterval = 24;
       
    36 
       
    37 // ======== MEMBER FUNCTIONS ========
       
    38 
       
    39 // ---------------------------------------------------------------------------
       
    40 // C++ default constructor.
       
    41 // ---------------------------------------------------------------------------
       
    42 //
       
    43 CMceIAUpdateUtils::CMceIAUpdateUtils(CMceUi& aMceUi)
       
    44 : CActive(EPriorityStandard),iUpdate( NULL ), iParameters( NULL ),iMceUi( aMceUi )
       
    45     {
       
    46     CActiveScheduler::Add(this);
       
    47     }
       
    48 
       
    49 
       
    50 // ---------------------------------------------------------------------------
       
    51 // Symbian 2nd phase constructor.
       
    52 // ---------------------------------------------------------------------------
       
    53 //
       
    54 void CMceIAUpdateUtils::ConstructL()
       
    55     {
       
    56     iUpdate = NULL;
       
    57     iParameters = NULL;
       
    58     // set it to current time.
       
    59     iPrevIADUpdateCheckTry.UniversalTime();
       
    60     }
       
    61 
       
    62 
       
    63 // ---------------------------------------------------------------------------
       
    64 // Two-phased constructor.
       
    65 // ---------------------------------------------------------------------------
       
    66 //
       
    67 CMceIAUpdateUtils* CMceIAUpdateUtils::NewL(CMceUi& aMceUi)
       
    68     {
       
    69     CMceIAUpdateUtils* self = new( ELeave ) CMceIAUpdateUtils(aMceUi);
       
    70     CleanupStack::PushL( self );
       
    71     self->ConstructL();
       
    72     CleanupStack::Pop( self );
       
    73     return self;
       
    74     }
       
    75 
       
    76 // ---------------------------------------------------------------------------
       
    77 // Destructor
       
    78 // ---------------------------------------------------------------------------
       
    79 //
       
    80 CMceIAUpdateUtils::~CMceIAUpdateUtils()
       
    81     {
       
    82     Delete();
       
    83     Cancel();
       
    84     }
       
    85 
       
    86 // ---------------------------------------------------------------------------
       
    87 // Start IA update process.
       
    88 // ---------------------------------------------------------------------------
       
    89 //
       
    90 void CMceIAUpdateUtils::DoStartL( const TUid aAppUid )
       
    91     {
       
    92     if(!iUpdate)
       
    93         {
       
    94         iUpdate = CIAUpdate::NewL( *this );
       
    95         }
       
    96 
       
    97     if( !iParameters )
       
    98         {
       
    99         iParameters = CIAUpdateParameters::NewL();
       
   100         }
       
   101         
       
   102     if( iUpdate && iParameters )
       
   103         {
       
   104         iParameters->SetUid( aAppUid );
       
   105 
       
   106         // Don't want any wait dialog.
       
   107         iParameters->SetShowProgress( EFalse );
       
   108 
       
   109         // Check the updates
       
   110         MCELOGGER_WRITE("StartL --- check updates");
       
   111         iUpdate->CheckUpdates( *iParameters );
       
   112         }
       
   113     else
       
   114         {
       
   115         Delete(); //Delete session with IAD server
       
   116         }
       
   117     }
       
   118 
       
   119 // ---------------------------------------------------------------------------
       
   120 // Cleanup function.
       
   121 // ---------------------------------------------------------------------------
       
   122 //
       
   123 void CMceIAUpdateUtils::Delete()
       
   124     {
       
   125     if( iUpdate )
       
   126         {
       
   127         delete iUpdate;
       
   128         iUpdate = NULL;
       
   129         }
       
   130     if( iParameters )
       
   131         {
       
   132         delete iParameters;
       
   133         iParameters = NULL;
       
   134         }
       
   135     }
       
   136 
       
   137 // -----------------------------------------------------------------------------
       
   138 // From class MIAUpdateObserver.
       
   139 // This callback function is called when the update checking operation has
       
   140 // completed.
       
   141 // -----------------------------------------------------------------------------
       
   142 //
       
   143 void CMceIAUpdateUtils::CheckUpdatesComplete( TInt aErrorCode,
       
   144         TInt aAvailableUpdates )
       
   145     {
       
   146     TBool bContinue = EFalse;
       
   147     
       
   148     if ( aErrorCode == KErrNone )
       
   149         {
       
   150         if ( aAvailableUpdates > 0 )
       
   151             {
       
   152                 if((iMceUi.IsForeground())&&(iMceUi.MceViewActive(EMceMainViewActive)))
       
   153                     {
       
   154                     // There were some updates available.
       
   155                     MCELOGGER_WRITE("CheckUpdatesComplete --- updates available");
       
   156                     iUpdate->UpdateQuery();
       
   157                     bContinue = ETrue;
       
   158                     }
       
   159                 else
       
   160                     {
       
   161                     MCELOGGER_WRITE("CheckUpdatesComplete --- But MessageView or Delivery Reports View is active");
       
   162                     }
       
   163             }
       
   164         else
       
   165             {
       
   166             // No updates available.
       
   167             MCELOGGER_WRITE("CheckUpdatesComplete --- no updates available");
       
   168             }
       
   169         }
       
   170     if(!bContinue)
       
   171         {
       
   172         Delete(); //Delete session with IAD server
       
   173         }
       
   174      
       
   175     }
       
   176 
       
   177 // -----------------------------------------------------------------------------
       
   178 // From class MIAUpdateObserver.
       
   179 // This callback function is called when an update operation has completed.
       
   180 // -----------------------------------------------------------------------------
       
   181 //
       
   182 void CMceIAUpdateUtils::UpdateComplete( TInt aErrorCode, CIAUpdateResult* aResult )
       
   183     {
       
   184     if ( aErrorCode == KErrNone )
       
   185         {
       
   186         // The update process that the user started from IAUpdate UI is now
       
   187         // completed.
       
   188         // If the client application itself was updated in the update process,
       
   189         // this callback is never called, since the client is not running anymore.
       
   190         MCELOGGER_WRITE("UpdateComplete ---");
       
   191         TInt successCount = aResult->SuccessCount();
       
   192         }
       
   193 
       
   194     if( aResult )
       
   195         {
       
   196         // Ownership was transferred, so this must be deleted by the client.
       
   197         delete aResult;
       
   198         }
       
   199 
       
   200     // We do not need the client-server session anymore.
       
   201     Delete();
       
   202     }
       
   203 
       
   204 // -----------------------------------------------------------------------------
       
   205 // From class MIAUpdateObserver.
       
   206 // This callback function is called when an update query operation has completed.
       
   207 // -----------------------------------------------------------------------------
       
   208 //
       
   209 void CMceIAUpdateUtils::UpdateQueryComplete( TInt aErrorCode, TBool aUpdateNow )
       
   210     {
       
   211     TBool bContinue = EFalse;
       
   212     if ( aErrorCode == KErrNone )
       
   213         {
       
   214         if ( aUpdateNow )
       
   215             {
       
   216             // User choosed to update now, so let's launch the IAUpdate UI.
       
   217             MCELOGGER_WRITE("UpdateQueryComplete --- now");
       
   218             iUpdate->ShowUpdates( *iParameters );
       
   219             bContinue = ETrue;
       
   220             }
       
   221         else
       
   222             {
       
   223             // The answer was 'Later'.
       
   224             MCELOGGER_WRITE("UpdateQueryComplete --- later");
       
   225             }
       
   226         }
       
   227     if(!bContinue)
       
   228         {
       
   229         Delete(); //Delete session with IAD server
       
   230         }
       
   231     }
       
   232 // -----------------------------------------------------------------------------
       
   233 // From class MIAUpdateObserver.
       
   234 // This callback function is called when an update query operation has completed.
       
   235 // -----------------------------------------------------------------------------
       
   236 //
       
   237 void CMceIAUpdateUtils::StartL(const TUid aAppUid)
       
   238     {
       
   239     if (IsActive())
       
   240         {
       
   241             return;
       
   242          }
       
   243     iAppUid = aAppUid;
       
   244     CompleteSelf();
       
   245     }
       
   246 // -----------------------------------------------------------------------------
       
   247 // 
       
   248 // For Setting the Active Object Active
       
   249 // -----------------------------------------------------------------------------
       
   250 //
       
   251 void CMceIAUpdateUtils::CompleteSelf()
       
   252     {
       
   253     iStatus = KRequestPending;
       
   254     TRequestStatus* pStatus = &iStatus;
       
   255     SetActive();
       
   256     User::RequestComplete( pStatus, KErrNone );
       
   257     }
       
   258 // -----------------------------------------------------------------------------
       
   259 // From class CActive.
       
   260 // For Starting the update in a seperate Thread
       
   261 // -----------------------------------------------------------------------------
       
   262 //
       
   263 void CMceIAUpdateUtils::RunL()
       
   264     {
       
   265     DoStartL( iAppUid );
       
   266     }
       
   267 // -----------------------------------------------------------------------------
       
   268 // From class CActive.
       
   269 // Nothing to do here
       
   270 // -----------------------------------------------------------------------------
       
   271 //
       
   272 void CMceIAUpdateUtils::DoCancel()
       
   273     {
       
   274     
       
   275     }
       
   276 
       
   277 // ---------------------------------------------------------------------------
       
   278 // Is IAD Update requried to do now
       
   279 // YES, If the KMceIADUpdateCheckRetryInterval is over after the previous try
       
   280 // NO, If the KMceIADUpdateCheckRetryInterval is not over after the previous retry 
       
   281 // ---------------------------------------------------------------------------
       
   282 //
       
   283 TBool CMceIAUpdateUtils::IsUpdateRequired()
       
   284     {
       
   285     TBool required = EFalse;
       
   286     TTime currTime;
       
   287     TTimeIntervalHours hourInterval;
       
   288     TInt err = KErrNone;
       
   289     
       
   290     currTime.UniversalTime();
       
   291     
       
   292     err = currTime.HoursFrom(iPrevIADUpdateCheckTry,hourInterval);
       
   293     
       
   294     // KErrNone-> successful case, 
       
   295     // reset the iPrevIADUpdateCheckTry to current time, 
       
   296     // start IAD check update
       
   297     
       
   298     // KErrOverflow ->  if the calculated interval 
       
   299     // is too large for a 32-bit integer
       
   300     // reset the iPrevIADUpdateCheckTry to current time
       
   301     // start IAD check update
       
   302     
       
   303     // in all other cases don't do any thing.
       
   304     
       
   305     if(((err == KErrNone)&& 
       
   306         (hourInterval.Int() >= KMceIADUpdateCheckRetryInterval ))
       
   307         ||(err == KErrOverflow))        
       
   308         {
       
   309         iPrevIADUpdateCheckTry.UniversalTime();
       
   310         required = ETrue; 
       
   311         }
       
   312     
       
   313     return required;
       
   314     }
       
   315 // EOF