wvuing/wvuieng/EngSrc/CCAStorageObserver.cpp
changeset 0 094583676ce7
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     1 /*
       
     2 * Copyright (c) 2003-2005 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:  Observes storage events and reacts according to settings
       
    15 *
       
    16 */
       
    17 
       
    18 // INCLUDE FILES
       
    19 #include "CCAStorageObserver.h"
       
    20 #include "PrivateEngineDefinitions.h"
       
    21 #include "PublicEngineDefinitions.h"
       
    22 #include "ImpsCSPAllErrors.h"
       
    23 #include "CAUtils.h"
       
    24 
       
    25 #include "MCASettings.h"
       
    26 #include "MCAStoredContacts.h"
       
    27 #include "MCAStoredContact.h"
       
    28 #include "MCASettings.h"
       
    29 #include "MCABlocking.h"
       
    30 
       
    31 #include    "ChatDebugPrint.h"
       
    32 
       
    33 // ================= MEMBER FUNCTIONS =======================
       
    34 
       
    35 // Two-phased constructor.
       
    36 CCAStorageObserver* CCAStorageObserver::NewL( MCASettings& aApplicationSettings,
       
    37                                               MCAStoredContacts& aContactStorage,
       
    38                                               MCAPresence& aPresenceHandler,
       
    39                                               MCABlocking& aBlockingManager )
       
    40     {
       
    41     CCAStorageObserver* self = new ( ELeave ) CCAStorageObserver(
       
    42         aApplicationSettings,
       
    43         aContactStorage,
       
    44         aPresenceHandler,
       
    45         aBlockingManager );
       
    46 
       
    47     CleanupStack::PushL( self );
       
    48     self->ConstructL();
       
    49     CleanupStack::Pop( self );
       
    50 
       
    51     return self;
       
    52     }
       
    53 
       
    54 
       
    55 // Destructor
       
    56 CCAStorageObserver::~CCAStorageObserver()
       
    57     {
       
    58     iContactStorage.RemoveObserver( this );
       
    59     delete iLastUserId;
       
    60     }
       
    61 
       
    62 
       
    63 // ---------------------------------------------------------
       
    64 // CCAStorageObserver::HandleDelete
       
    65 // (other items were commented in a header).
       
    66 // ---------------------------------------------------------
       
    67 //
       
    68 void CCAStorageObserver::HandleContactDelete( const TDesC& aId )
       
    69     {
       
    70     CHAT_DP_TXT( "CCAStorageObserver::HandleDelete" );
       
    71     // find also the "soon-to-be-deleted" contacts
       
    72     IMHandleDelete( aId );
       
    73     }
       
    74 
       
    75 // ---------------------------------------------------------
       
    76 // CCAStorageObserver::HandleAddition
       
    77 // (other items were commented in a header).
       
    78 // ---------------------------------------------------------
       
    79 //
       
    80 void CCAStorageObserver::HandleAddition( MCAContactList& /*aList*/, MCAStoredContact& aContact )
       
    81     {
       
    82     CHAT_DP_TXT( "CCAStorageObserver::HandleAddition" );
       
    83     IMHandleAddition( aContact );
       
    84     }
       
    85 
       
    86 // ---------------------------------------------------------
       
    87 // CCAStorageObserver::HandleChange
       
    88 // (other items were commented in a header).
       
    89 // ---------------------------------------------------------
       
    90 //
       
    91 void CCAStorageObserver::HandleChange(
       
    92     MCAContactList* /* aList */,
       
    93     MCAStoredContact* /* aId */,
       
    94     TStorageManagerGlobals::TCAObserverEventType /*aEventType*/,
       
    95     TBool /*aUserIdChanged*/ )
       
    96     {
       
    97     // nothing to do
       
    98     }
       
    99 
       
   100 // ---------------------------------------------------------
       
   101 // CCAStorageObserver::HandleBackupRestoreEvent
       
   102 // (other items were commented in a header).
       
   103 // ---------------------------------------------------------
       
   104 //
       
   105 void CCAStorageObserver::HandleBackupRestoreEvent(
       
   106     const TStorageManagerGlobals::TCAObserverEventType /*aEventType*/ )
       
   107     {
       
   108     }
       
   109 
       
   110 // Symbian OS default constructor can leave.
       
   111 void CCAStorageObserver::ConstructL()
       
   112     {
       
   113     iContactStorage.AddObserverL( this );
       
   114     }
       
   115 
       
   116 // C++ default constructor can NOT contain any code, that
       
   117 // might leave.
       
   118 //
       
   119 CCAStorageObserver::CCAStorageObserver( MCASettings& aApplicationSettings,
       
   120                                         MCAStoredContacts& aContactStorage,
       
   121                                         MCAPresence& aPresenceHandler,
       
   122                                         MCABlocking& aBlockingManager )
       
   123         :	iApplicationSettings( aApplicationSettings ),
       
   124         iContactStorage( aContactStorage ),
       
   125         iPresenceHandler( aPresenceHandler ),
       
   126         iBlockingManager( aBlockingManager )
       
   127     {
       
   128     }
       
   129 
       
   130 // ---------------------------------------------------------
       
   131 // CCAStorageObserver::IMHandleDelete
       
   132 // (other items were commented in a header).
       
   133 // ---------------------------------------------------------
       
   134 //
       
   135 void CCAStorageObserver::IMHandleDelete( const TDesC& aUserId )
       
   136     {
       
   137     TInt err( KErrNone );
       
   138 
       
   139     if ( iApplicationSettings.Value( MCASettings::EReceiveIMessages )
       
   140          == MCASettings::EFriends )
       
   141         {
       
   142         TRAP( err, DoBlockingManagerDeleteL( aUserId ) );
       
   143         HandleError( err );
       
   144         }
       
   145     }
       
   146 
       
   147 // ---------------------------------------------------------
       
   148 // CCAStorageObserver::DoBlockingManagerDeleteL
       
   149 // (other items were commented in a header).
       
   150 // ---------------------------------------------------------
       
   151 //
       
   152 void CCAStorageObserver::DoBlockingManagerDeleteL( const TDesC& aUserId )
       
   153     {
       
   154     // granularity of one because only one item appended to array
       
   155     CDesCArrayFlat* arr = new ( ELeave ) CDesCArrayFlat( 1 );
       
   156     CleanupStack::PushL( arr );
       
   157     arr->AppendL( aUserId );
       
   158 
       
   159     // remove from the grant list, according to strategy
       
   160     TInt err( iBlockingManager.RemoveL( NULL, arr ) );
       
   161     if ( err != KErrNone )
       
   162         {
       
   163         HandleError( err );
       
   164         }
       
   165 
       
   166     CleanupStack::PopAndDestroy( arr );
       
   167     }
       
   168 
       
   169 // ---------------------------------------------------------
       
   170 // CCAStorageObserver::IMHandleAddition
       
   171 // (other items were commented in a header).
       
   172 // ---------------------------------------------------------
       
   173 //
       
   174 void CCAStorageObserver::IMHandleAddition( MCAStoredContact& aContact )
       
   175     {
       
   176     TInt err( KErrNone );
       
   177 
       
   178     if ( iApplicationSettings.Value( MCASettings::EReceiveIMessages )
       
   179          == MCASettings::EFriends )
       
   180         {
       
   181         TRAP( err, DoBlockingManagerAdditionL( aContact.UserId() ) );
       
   182         HandleError( err );
       
   183         }
       
   184     DoUpdateContactStatus( aContact );
       
   185     }
       
   186 
       
   187 
       
   188 // ---------------------------------------------------------
       
   189 // CCAStorageObserver::DoBlockingManagerAdditionL
       
   190 // (other items were commented in a header).
       
   191 // ---------------------------------------------------------
       
   192 //
       
   193 void CCAStorageObserver::DoBlockingManagerAdditionL( const TDesC& aUserId )
       
   194     {
       
   195     // granularity of one because only one item appended to array
       
   196     CDesCArrayFlat* arr = new ( ELeave ) CDesCArrayFlat( 1 );
       
   197     CleanupStack::PushL( arr );
       
   198     arr->AppendL( aUserId );
       
   199 
       
   200     // insert into the grant list, according to strategy
       
   201     iBlockingManager.InsertL( NULL, arr );
       
   202     CleanupStack::PopAndDestroy( arr );
       
   203 
       
   204     }
       
   205 
       
   206 // ---------------------------------------------------------
       
   207 // CCAStorageObserver::DoUpdateContactStatus
       
   208 // (other items were commented in a header).
       
   209 // ---------------------------------------------------------
       
   210 //
       
   211 void CCAStorageObserver::DoUpdateContactStatus( MCAStoredContact& aContact )
       
   212     {
       
   213     TPtrC wvid( aContact.UserId() );
       
   214 
       
   215     // update the blocking status..
       
   216     TBool blocked( EFalse );
       
   217     const CDesCArray* blockList = iBlockingManager.BlockedList();
       
   218     if ( blockList )
       
   219         {
       
   220         // do a case-insensitive search
       
   221         TInt count( blockList->Count() );
       
   222         for ( TInt i( 0 ); ( i < count ) && !blocked ; ++i )
       
   223             {
       
   224             // (*blockList)[i].CompareC( wvid, KCollationLevel, NULL )
       
   225             if ( CAUtils::NeutralCompare( ( *blockList )[i], wvid ) == 0 )
       
   226                 {
       
   227                 blocked = ETrue;
       
   228                 }
       
   229             }
       
   230         }
       
   231     aContact.SetBlocked( blocked );
       
   232     }
       
   233 
       
   234 // ---------------------------------------------------------
       
   235 // CCAStorageObserver::HandleError
       
   236 // (other items were commented in a header).
       
   237 // ---------------------------------------------------------
       
   238 //
       
   239 void CCAStorageObserver::HandleError( TInt aError )
       
   240     {
       
   241     CHAT_DP( D_CHAT_LIT( "CCAStorageObserver::HandleError, aError = %d" ),
       
   242              aError );
       
   243     if ( ( aError > Imps_ERROR_BASE ) && ( aError < KErrNone ) )
       
   244         {
       
   245         // propagate system errors to current active scheduler,
       
   246         // it should show a note
       
   247         CActiveScheduler::Current()->Error( aError );
       
   248         }
       
   249 
       
   250     // imps errors are ignored at the moment as we don't have any
       
   251     // notes specified for them
       
   252     }
       
   253 
       
   254 
       
   255 //  End of File