calendarui/settings/settingsui/src/calensetting.cpp
changeset 0 f979ecb2b13e
child 48 bf573002ff72
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-1:000000000000 0:f979ecb2b13e
       
     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:   CCalenSetting has Calendar setting data.
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 //debug
       
    20 #include "calendarui_debug.h"
       
    21 
       
    22 //  INCLUDE FILES
       
    23 #include "calensetting.h"
       
    24 #include "CalendarVariant.hrh"
       
    25 #include "calencustomisationmanager.h"
       
    26 
       
    27 
       
    28 #include <AknUtils.h>
       
    29 
       
    30 
       
    31 #include <centralrepository.h>
       
    32 #include "CalendarPrivateCRKeys.h"  // includes CalendarInternalCRKeys.h
       
    33 
       
    34 const TInt KDefaultSnoozeTime( 5 ); // minutes
       
    35 const TInt KComma( ',' );
       
    36 const TInt KBoolCharTrue( '1' ); // character representing true in string.
       
    37 const TInt KBoolCharFalse( '0' ); // character representing false in string.
       
    38 
       
    39 const TInt KBufferStartingSize( 64 ); // initial size of buffer read from repository.
       
    40 const TInt KBufferSizeIncrement( 32 ); // buffer increases by this amount until we successfully read
       
    41 const TInt KCharsPerPlugin( 10 + 1 + 1 + 1 ); // [int - plugin uid] [comma] [1 or 0, plugin enabled] [comma]
       
    42 
       
    43 // ================= MEMBER FUNCTIONS =======================
       
    44 
       
    45 // ----------------------------------------------------------------------------
       
    46 // CCalenController::InstanceL
       
    47 // Returns a pointer to the single instance of the settings object.
       
    48 // ----------------------------------------------------------------------------
       
    49 //
       
    50 EXPORT_C CCalenSetting* CCalenSetting::InstanceL()
       
    51     {
       
    52     TRACE_ENTRY_POINT;
       
    53 
       
    54     CCalenSetting* self = NULL;
       
    55     TAny* tlsPtr = Dll::Tls();
       
    56 
       
    57     // Check Thread local storage
       
    58     if ( !tlsPtr )
       
    59         {
       
    60         // TLS is NULL, so no CCalenController has been created yet.
       
    61         self = new( ELeave ) CCalenSetting();
       
    62         CleanupStack::PushL( self );
       
    63         // Store a self pointer in TLS
       
    64         User::LeaveIfError( Dll::SetTls( static_cast<TAny*>( self ) ) );
       
    65         // Increment ref count right away. If we don't do it here, and someone
       
    66         // calls CCalenSetting::InstanceL in LoadL and then LoadL
       
    67         // leaves, we will double delete the settings.
       
    68         ++self->iRefCount;
       
    69         self->LoadL();
       
    70         CleanupStack::Pop( self );
       
    71         }
       
    72     else
       
    73         {
       
    74         self = static_cast<CCalenSetting*>( tlsPtr );
       
    75         ++self->iRefCount;
       
    76         }
       
    77 
       
    78     TRACE_EXIT_POINT;
       
    79     return self;
       
    80     }
       
    81 
       
    82 // ----------------------------------------------------------------------------
       
    83 // CCalenSetting::CCalenSetting
       
    84 // C++ default constructor can NOT contain any code, that
       
    85 // might leave.
       
    86 // ----------------------------------------------------------------------------
       
    87 //
       
    88 CCalenSetting::CCalenSetting()
       
    89     : iWeekFormat( EMonday ),
       
    90       iWeekTitle( EWeekTitleNumber ),
       
    91       iSnoozeTime( KDefaultSnoozeTime ),
       
    92       iToolbar(1)
       
    93 
       
    94     {
       
    95     TRACE_ENTRY_POINT;
       
    96     TRACE_EXIT_POINT;
       
    97     }
       
    98 
       
    99 // ----------------------------------------------------------------------------
       
   100 // CCalenSetting::Release
       
   101 // Decrement the reference count of this singleton.
       
   102 // When the reference count is 0, the controller will self delete and free
       
   103 // all resources
       
   104 // ----------------------------------------------------------------------------
       
   105 //
       
   106 EXPORT_C void CCalenSetting::Release()
       
   107     {
       
   108     TRACE_ENTRY_POINT;
       
   109 
       
   110     --iRefCount;
       
   111     if ( iRefCount == 0 )
       
   112         {
       
   113         delete this;
       
   114         }
       
   115 
       
   116     TRACE_EXIT_POINT;
       
   117     }
       
   118 
       
   119 // ----------------------------------------------------------------------------
       
   120 // CCalenSetting::~CCalenSetting
       
   121 // Destructor
       
   122 // ----------------------------------------------------------------------------
       
   123 //
       
   124 CCalenSetting::~CCalenSetting()
       
   125     {
       
   126     TRACE_ENTRY_POINT;
       
   127 
       
   128     Dll::SetTls( NULL );
       
   129     iPluginAvailability.Reset();
       
   130 
       
   131     TRACE_EXIT_POINT;
       
   132     }
       
   133 
       
   134 // ----------------------------------------------------------------------------
       
   135 // CCalenSetting::PluginAvailabilityL
       
   136 // Returns array of plugins known to be enabled or disabled.
       
   137 // ----------------------------------------------------------------------------
       
   138 //
       
   139 EXPORT_C CCalenCustomisationManager::CCalenPluginStatusArray&
       
   140                                       CCalenSetting::PluginAvailability()
       
   141     {
       
   142     TRACE_ENTRY_POINT;
       
   143 
       
   144     TRACE_EXIT_POINT;
       
   145     return iPluginAvailability;
       
   146     }
       
   147 
       
   148 // ---------------------------------------------------------
       
   149 // CCalenSetting::DefaultView
       
   150 // Return default view
       
   151 // (other items were commented in a header).
       
   152 // ---------------------------------------------------------
       
   153 //
       
   154 EXPORT_C TUid CCalenSetting::DefaultView() const
       
   155     {
       
   156     TRACE_ENTRY_POINT;
       
   157 
       
   158     TRACE_EXIT_POINT;
       
   159     return iDefaultView;
       
   160     }
       
   161 
       
   162 // ---------------------------------------------------------
       
   163 // CCalenSetting::WeekFormat
       
   164 // Return setting type of week format
       
   165 // (other items were commented in a header).
       
   166 // ---------------------------------------------------------
       
   167 //
       
   168 EXPORT_C TDay CCalenSetting::WeekFormat() const
       
   169     {
       
   170     TRACE_ENTRY_POINT;
       
   171 
       
   172     TRACE_EXIT_POINT;
       
   173     return iWeekFormat;
       
   174     }
       
   175 
       
   176 // ---------------------------------------------------------
       
   177 // CCalenSetting::WeekTitle
       
   178 // Return setting type of week title
       
   179 // (other items were commented in a header).
       
   180 // ---------------------------------------------------------
       
   181 //
       
   182 EXPORT_C TCalenWeekTitle CCalenSetting::WeekTitle() const
       
   183     {
       
   184     TRACE_ENTRY_POINT;
       
   185     TRACE_EXIT_POINT;
       
   186     return iWeekTitle;
       
   187     }
       
   188 
       
   189 // ---------------------------------------------------------
       
   190 // CCalenSetting::SnoozeTime
       
   191 // Return the snooze time setting.
       
   192 // (other items were commented in a header).
       
   193 // ---------------------------------------------------------
       
   194 //
       
   195 EXPORT_C TInt CCalenSetting::SnoozeTime() const
       
   196     {
       
   197     TRACE_ENTRY_POINT;
       
   198 
       
   199     TRACE_EXIT_POINT;
       
   200     return iSnoozeTime;
       
   201     }
       
   202 
       
   203 
       
   204 // ---------------------------------------------------------
       
   205 // CCalenSetting::Toolbar
       
   206 // Return the snooze time setting.
       
   207 // (other items were commented in a header).
       
   208 // ---------------------------------------------------------
       
   209 //
       
   210 EXPORT_C TInt CCalenSetting::Toolbar()
       
   211     {
       
   212     TRACE_ENTRY_POINT;
       
   213 
       
   214     if(AknLayoutUtils::PenEnabled())
       
   215         {
       
   216       
       
   217         TRACE_EXIT_POINT;
       
   218         return iToolbar;
       
   219         }
       
   220     else
       
   221         {
       
   222         TRACE_EXIT_POINT;
       
   223         return 0;
       
   224         }
       
   225     }
       
   226 
       
   227 
       
   228 
       
   229 // ----------------------------------------------------------------------------
       
   230 // CCalenSetting::RemovePluginsNoLongerInstalled
       
   231 // Checks the list of enabled/disabled plugins (iPluginAvailability), and if
       
   232 // any are no longer installed, remove them from the list.
       
   233 // Returns ETrue if action taken, EFalse otherwise.
       
   234 // ----------------------------------------------------------------------------
       
   235 //
       
   236 TBool CCalenSetting::RemovePluginsNoLongerInstalled( const RImplInfoPtrArray& aAvailablePlugins )
       
   237     {
       
   238     TRACE_ENTRY_POINT;
       
   239 
       
   240     TBool actionTaken( EFalse );
       
   241     TBool found;
       
   242 
       
   243     for ( TInt i( iPluginAvailability.Count()-1 ); i>=0; --i )
       
   244         {
       
   245         found = EFalse;
       
   246         for ( TInt j( 0 ); j<aAvailablePlugins.Count(); ++j )
       
   247             {
       
   248             if ( aAvailablePlugins[j]->ImplementationUid() == iPluginAvailability[i].iUid )
       
   249                 {
       
   250                 found = ETrue;
       
   251                 break;
       
   252                 }
       
   253             }
       
   254 
       
   255         if ( !found )
       
   256             {
       
   257             // The settings list contains a plugin not in the implementation list. Remove it.
       
   258             iPluginAvailability.Remove( i );
       
   259             actionTaken = ETrue;
       
   260             }
       
   261         }
       
   262 
       
   263     TRACE_EXIT_POINT;
       
   264     return actionTaken;
       
   265     }
       
   266 
       
   267 // ----------------------------------------------------------------------------
       
   268 // CCalenSetting::AddPluginsNewlyInstalledL
       
   269 // Checks the list of enabled/disabled plugins (iPluginAvailability) against
       
   270 // the given array of available plugins, and if any plugins are not in the
       
   271 // availability list, add them.
       
   272 // Returns ETrue if action taken, EFalse otherwise.
       
   273 // ----------------------------------------------------------------------------
       
   274 //
       
   275 TBool CCalenSetting::AddPluginsNewlyInstalledL( const RImplInfoPtrArray& aAvailablePlugins,
       
   276                                                         CCalenCustomisationManager& aCustomisationManager)
       
   277     {
       
   278     TRACE_ENTRY_POINT;
       
   279 
       
   280     TBool actionTaken( EFalse );
       
   281     TBool found;
       
   282 
       
   283     for ( TInt i( 0 ); i<aAvailablePlugins.Count(); ++i )
       
   284         {
       
   285         found = EFalse;
       
   286 
       
   287         for ( TInt j( 0 ); j<iPluginAvailability.Count(); ++j )
       
   288             {
       
   289             if ( aAvailablePlugins[i]->ImplementationUid() == iPluginAvailability[j].iUid )
       
   290                 {
       
   291                 found = ETrue;
       
   292                 break;
       
   293                 }
       
   294             }
       
   295 
       
   296         if ( !found )
       
   297             {
       
   298             // The plugin implementation isn't in the settings list. Add it.
       
   299             CCalenCustomisationManager::TCalenPluginAvailability newPlugin;
       
   300             newPlugin.iUid = aAvailablePlugins[i]->ImplementationUid();
       
   301             newPlugin.iEnabled = ETrue;
       
   302             
       
   303             if(aCustomisationManager.CanBeEnabledDisabledL(newPlugin.iUid))
       
   304                 {
       
   305                 iPluginAvailability.AppendL( newPlugin );
       
   306                 actionTaken = ETrue;
       
   307                 }
       
   308            }
       
   309         }
       
   310 
       
   311     TRACE_EXIT_POINT;
       
   312     return actionTaken;
       
   313     }
       
   314 
       
   315 // ----------------------------------------------------------------------------
       
   316 // CCalenSetting::UpdatePluginListL
       
   317 // Updates the stored list of enabled/disabled plugins. This should be called
       
   318 // when calendar starts and when any plugins are installed or uninstalled.
       
   319 // ----------------------------------------------------------------------------
       
   320 //
       
   321 EXPORT_C void CCalenSetting::UpdatePluginListL( CCalenCustomisationManager& aCustomisationManager )
       
   322     {
       
   323     TRACE_ENTRY_POINT;
       
   324 
       
   325     // Get the list of plugins which exist.
       
   326     const RImplInfoPtrArray& availablePlugins = aCustomisationManager.PluginInfoArray();
       
   327 
       
   328     // Update the enabled/disabled plugin list. We might have had plugins
       
   329     // added or removed...
       
   330 
       
   331     // ...a plugin which was around but then got uninstalled should be removed
       
   332     // from our enabled/disabled list (otherwise the list could grow to be huge).
       
   333     const TBool anyRemoved = RemovePluginsNoLongerInstalled( availablePlugins );
       
   334 
       
   335     // ...a new plugin should be enabled by default.
       
   336     const TBool anyAdded = AddPluginsNewlyInstalledL( availablePlugins,aCustomisationManager );
       
   337 
       
   338     // Update the cenrep when necessary.
       
   339     if ( anyRemoved || anyAdded )
       
   340         {
       
   341         CRepository *rep = CRepository::NewL( KCRUidCalendar );
       
   342         CleanupStack::PushL( rep );
       
   343         SavePluginListL( *rep );
       
   344         CleanupStack::PopAndDestroy( rep );
       
   345         }
       
   346 
       
   347     TRACE_EXIT_POINT;
       
   348     }
       
   349 
       
   350 // ----------------------------------------------------------------------------
       
   351 // CCalenSetting::SetPluginStatusL
       
   352 // Sets a plugin on or off.
       
   353 // ----------------------------------------------------------------------------
       
   354 //
       
   355 EXPORT_C void CCalenSetting::SetPluginStatusL( TUid aPluginUid, TBool aEnabled )
       
   356     {
       
   357     TRACE_ENTRY_POINT;
       
   358 
       
   359 #ifdef _DEBUG
       
   360     TBool found = EFalse;
       
   361 #endif // _DEBUG
       
   362 
       
   363     for ( TInt i( 0 ); i<iPluginAvailability.Count(); ++i )
       
   364         {
       
   365         if ( iPluginAvailability[i].iUid == aPluginUid )
       
   366             {
       
   367             iPluginAvailability[i].iEnabled = aEnabled;
       
   368 #ifdef _DEBUG
       
   369             found = ETrue;
       
   370 #endif // _DEBUG
       
   371             break;
       
   372             }
       
   373         }
       
   374 
       
   375     // Plugin list should always be up to date. If this fails,
       
   376     // UpdatePluginListL wasn't called when plugins were installed/uninstalled.
       
   377     ASSERT( found );
       
   378 
       
   379     TRACE_EXIT_POINT;
       
   380     }
       
   381 
       
   382 // ----------------------------------------------------------------------------
       
   383 // CCalenSetting::SavePluginListL
       
   384 // Saves the list of enabled/disabled plugins.
       
   385 // ----------------------------------------------------------------------------
       
   386 //
       
   387 void CCalenSetting::SavePluginListL( CRepository& aRepository ) const
       
   388     {
       
   389     TRACE_ENTRY_POINT;
       
   390 
       
   391     RBuf buf;
       
   392     CleanupClosePushL( buf );
       
   393     buf.CreateL( KCharsPerPlugin * iPluginAvailability.Count() );
       
   394     PopulateBufferFromPluginAvailabilityL( buf );
       
   395 
       
   396     User::LeaveIfError( aRepository.Set( KCalendarPluginAvailability, buf ) );
       
   397 
       
   398     CleanupStack::PopAndDestroy( &buf );
       
   399 
       
   400     TRACE_EXIT_POINT;
       
   401     }
       
   402 
       
   403 // ----------------------------------------------------------------------------
       
   404 // CCalenSetting::BoolFromStringL
       
   405 // Converts a character to a bool.
       
   406 // ----------------------------------------------------------------------------
       
   407 //
       
   408 static TBool BoolFromCharL( const TChar& aChar )
       
   409     {
       
   410     TRACE_ENTRY_POINT;
       
   411 
       
   412     TBool ret;
       
   413     if ( aChar == KBoolCharTrue )
       
   414         {
       
   415         ret = ETrue;
       
   416         }
       
   417     else
       
   418         {
       
   419         ASSERT( aChar == KBoolCharFalse );
       
   420         ret = EFalse;
       
   421         }
       
   422 
       
   423     TRACE_EXIT_POINT;
       
   424     return ret;
       
   425     }
       
   426 
       
   427 // ----------------------------------------------------------------------------
       
   428 // CCalenSetting::UidFromStringL
       
   429 // Converts a string to a uid.
       
   430 // ----------------------------------------------------------------------------
       
   431 //
       
   432 static TUid UidFromStringL( const TDesC& aString )
       
   433     {
       
   434     TRACE_ENTRY_POINT;
       
   435 
       
   436     // Convert the string to an int first.
       
   437     TLex lex( aString );
       
   438     TInt val;
       
   439     User::LeaveIfError( lex.Val( val ) );
       
   440     TUid uid = TUid::Uid( val );
       
   441 
       
   442     TRACE_EXIT_POINT;
       
   443     return uid;
       
   444     }
       
   445 
       
   446 // ----------------------------------------------------------------------------
       
   447 // CCalenSetting::PopulatePluginAvailabilityFromBufferL
       
   448 // Converts from a text string into a plugin availability array.
       
   449 // ----------------------------------------------------------------------------
       
   450 //
       
   451 void CCalenSetting::PopulatePluginAvailabilityFromBufferL( const TDesC& aBuf )
       
   452     {
       
   453     TRACE_ENTRY_POINT;
       
   454 
       
   455     // Calling Reset would give us an invalid array.
       
   456     iPluginAvailability.Reset();
       
   457 
       
   458     TPtrC marker = aBuf;
       
   459     TInt uidOffset;
       
   460 
       
   461     // aBuf should be of the format "uid,enabled,uid,enabled[etc]"
       
   462     // e.g. "12345,1,67890,0" would be uid 12345 enabled, uid 67890 disabled.
       
   463     while( ( uidOffset = marker.Locate( TChar( KComma ) ) ) != KErrNotFound )
       
   464         {
       
   465         TUid uid = UidFromStringL( marker.Left( uidOffset ) );
       
   466         // Set marker to one char after the comma.
       
   467         marker.Set( marker.Mid( uidOffset+1 ) );
       
   468 
       
   469         TInt enabledOffset = marker.Locate( TChar( KComma ) );
       
   470         // If this assert fails, a uid was added but no bool followed it.
       
   471         ASSERT( enabledOffset != KErrNotFound );
       
   472         TBool enabled = BoolFromCharL( marker[0] );
       
   473         // One after the enabled value.
       
   474         marker.Set( marker.Mid( enabledOffset+1 ) );
       
   475 
       
   476         CCalenCustomisationManager::TCalenPluginAvailability availability;
       
   477         availability.iUid = uid;
       
   478         availability.iEnabled = enabled;
       
   479         iPluginAvailability.AppendL( availability );
       
   480         }
       
   481 
       
   482     TRACE_EXIT_POINT;
       
   483     }
       
   484 
       
   485 // ----------------------------------------------------------------------------
       
   486 // CCalenSetting::PopulateBufferFromPluginAvailabilityL
       
   487 // Converts from a plugin availability array into a text string.
       
   488 // ----------------------------------------------------------------------------
       
   489 //
       
   490 void CCalenSetting::PopulateBufferFromPluginAvailabilityL( RBuf& aBuf ) const
       
   491     {
       
   492     TRACE_ENTRY_POINT;
       
   493 
       
   494     // At the end of this function, aBuf should be of the format
       
   495     // "uid,enabled,uid,enabled[etc]" e.g. "12345,1,67890,0" would be
       
   496     // uid 12345 enabled, uid 67890 disabled.
       
   497     for ( TInt i( 0 ); i<iPluginAvailability.Count(); ++i )
       
   498         {
       
   499         aBuf.AppendNum( iPluginAvailability[i].iUid.iUid );
       
   500         aBuf.Append( KComma );
       
   501         TChar enabled = iPluginAvailability[i].iEnabled ?
       
   502                     KBoolCharTrue : KBoolCharFalse;
       
   503         aBuf.Append( enabled );
       
   504         aBuf.Append( KComma );
       
   505         }
       
   506 
       
   507     TRACE_EXIT_POINT;
       
   508     }
       
   509 
       
   510 // ---------------------------------------------------------
       
   511 // CCalenSetting::SetDefaultView
       
   512 // Set default view
       
   513 // (other items were commented in a header).
       
   514 // ---------------------------------------------------------
       
   515 //
       
   516 EXPORT_C void CCalenSetting::SetDefaultView( TUid aDefView )
       
   517     {
       
   518     TRACE_ENTRY_POINT;
       
   519 
       
   520     iDefaultView = aDefView;
       
   521 
       
   522     TRACE_EXIT_POINT;
       
   523     }
       
   524 
       
   525 // ---------------------------------------------------------
       
   526 // CCalenSetting::SetWeekFormat
       
   527 // Set startday of week
       
   528 // (other items were commented in a header).
       
   529 // ---------------------------------------------------------
       
   530 //
       
   531 EXPORT_C void CCalenSetting::SetWeekFormat( TDay aDay )
       
   532     {
       
   533     TRACE_ENTRY_POINT;
       
   534 
       
   535     iWeekFormat = aDay;
       
   536 
       
   537     TRACE_EXIT_POINT;
       
   538     }
       
   539 
       
   540 // ---------------------------------------------------------
       
   541 // CCalenSetting::SetWeekTitle
       
   542 // Set week title
       
   543 // (other items were commented in a header).
       
   544 // ---------------------------------------------------------
       
   545 //
       
   546 EXPORT_C void CCalenSetting::SetWeekTitle( TCalenWeekTitle aTitle )
       
   547     {
       
   548     TRACE_ENTRY_POINT;
       
   549 
       
   550     iWeekTitle = aTitle;
       
   551 
       
   552     TRACE_EXIT_POINT;
       
   553     }
       
   554 
       
   555 // ---------------------------------------------------------
       
   556 // CCalenSetting::SetSnoozeTime
       
   557 // Return the snooze time setting.
       
   558 // (other items were commented in a header).
       
   559 // ---------------------------------------------------------
       
   560 //
       
   561 EXPORT_C void CCalenSetting::SetSnoozeTime( TInt aSnoozeTime )
       
   562     {
       
   563     TRACE_ENTRY_POINT
       
   564 
       
   565     iSnoozeTime = aSnoozeTime;
       
   566 
       
   567     TRACE_EXIT_POINT
       
   568     }
       
   569 
       
   570 // ---------------------------------------------------------
       
   571 // CCalenSetting::SetToolbar
       
   572 // Return the snooze time setting.
       
   573 // (other items were commented in a header).
       
   574 // ---------------------------------------------------------
       
   575 //
       
   576 EXPORT_C void CCalenSetting::SetToolbar( TInt aShown )
       
   577     {
       
   578     TRACE_ENTRY_POINT;
       
   579 
       
   580     iToolbar = aShown;
       
   581   
       
   582     TRACE_EXIT_POINT;
       
   583     }
       
   584 
       
   585 
       
   586 // -----------------------------------------------------------------------------
       
   587 // ?classname::?member_function
       
   588 // ?implementation_description
       
   589 // (other items were commented in a header).
       
   590 // -----------------------------------------------------------------------------
       
   591 //
       
   592 EXPORT_C void CCalenSetting::LoadL()
       
   593     {
       
   594     TRACE_ENTRY_POINT;
       
   595 
       
   596     // 'Calendar alarm tone' is loaded and saved in CalenFileListSettingItem
       
   597 
       
   598     // 'First day of week' is read from TLocale
       
   599     TLocale locale;
       
   600     iWeekFormat = locale.StartOfWeek();
       
   601 
       
   602     // other settings are stored in central repository
       
   603     CRepository* repository = CRepository::NewL( KCRUidCalendar );
       
   604     CleanupStack::PushL( repository );
       
   605 
       
   606     // There's no real way of telling how big this buffer needs to be. If we
       
   607     // get an overflow we'll just try again with a bigger buffer.
       
   608     TInt bufSize( KBufferStartingSize );
       
   609     TBool wasRead( EFalse );
       
   610 
       
   611     do
       
   612         {
       
   613         RBuf buf;
       
   614         CleanupClosePushL( buf );
       
   615         buf.CreateL( bufSize );
       
   616 
       
   617         TInt err = repository->Get( KCalendarPluginAvailability, buf );
       
   618 
       
   619         if ( err == KErrNone )
       
   620             {
       
   621             wasRead = ETrue;
       
   622             PopulatePluginAvailabilityFromBufferL( buf );
       
   623             }
       
   624         else if ( err == KErrOverflow )
       
   625             {
       
   626             bufSize += KBufferSizeIncrement;
       
   627             }
       
   628         else
       
   629             {
       
   630             // If err is KErrNotFound (-1) then your repository files probably
       
   631             // aren't set up correctly. (If on the emulator, be sure
       
   632             // \epoc32\winscw\c\private\10202be9\persists\101f874b.cre
       
   633             // is up to date.)
       
   634             User::Leave( err );
       
   635             }
       
   636 
       
   637         CleanupStack::PopAndDestroy( &buf );
       
   638         } while ( !wasRead );
       
   639 
       
   640     TInt tmp;
       
   641     // TViewType maps
       
   642     // [ENotSet, EMonthView, EWeekView, EDayView, EToDoView to [0..4]
       
   643     // Central Repository data differs:
       
   644     // [EMonthView, EWeekView, EDayView, EToDoView] to [0..3]
       
   645     User::LeaveIfError( repository->Get( KCalendarDefaultStartView, tmp ) );
       
   646     iDefaultView.iUid = tmp;
       
   647 
       
   648     // TCalenWeekTitle maps [EWeekTitleNumber,EWeekTitleDuration] to [0,1]
       
   649     // Central Repository data matches.
       
   650     User::LeaveIfError( repository->Get( KCalendarWeekViewTitle, tmp ) );
       
   651     iWeekTitle = static_cast<TCalenWeekTitle>( tmp );
       
   652 
       
   653     User::LeaveIfError( repository->Get( KCalendarSnoozeTime, tmp ) );
       
   654     iSnoozeTime = tmp;
       
   655 
       
   656     CleanupStack::PopAndDestroy( repository );
       
   657 
       
   658     TRACE_EXIT_POINT
       
   659     }
       
   660 
       
   661 // -----------------------------------------------------------------------------
       
   662 // ?classname::?member_function
       
   663 // ?implementation_description
       
   664 // (other items were commented in a header).
       
   665 // -----------------------------------------------------------------------------
       
   666 //
       
   667 EXPORT_C void CCalenSetting::SaveL() const
       
   668     {
       
   669     TRACE_ENTRY_POINT;
       
   670 
       
   671     // 'Calendar alarm tone' is loaded and saved in CalenFileListSettingItem
       
   672 
       
   673     TLocale locale;
       
   674 
       
   675     // 'First day of week' is saved in TLocale
       
   676     if ( locale.StartOfWeek() != iWeekFormat )
       
   677         {
       
   678         locale.SetStartOfWeek( iWeekFormat );
       
   679         locale.Set();
       
   680         }
       
   681 
       
   682     // other settings are stored in central repository
       
   683     CRepository* repository = CRepository::NewL( KCRUidCalendar );
       
   684     CleanupStack::PushL( repository );
       
   685 
       
   686     SavePluginListL( *repository );
       
   687 
       
   688     // TViewType maps
       
   689     // [ENotSet, EMonthView, EWeekView, EDayView, EToDoView to [0..4]
       
   690     // Central Repository data differs:
       
   691     // [EMonthView, EWeekView, EDayView, EToDoView] to [0..3]
       
   692     //ASSERT( iDefaultView > 0 );
       
   693     TInt tmp( static_cast<TInt>( iDefaultView.iUid ) );
       
   694     User::LeaveIfError( repository->Set( KCalendarDefaultStartView, tmp ) );
       
   695 
       
   696     // TCalenWeekTitle maps [EWeekTitleNumber,EWeekTitleDuration] to [0,1]
       
   697     // Central Repository data matches.
       
   698     tmp = static_cast<TCalenWeekTitle>( iWeekTitle );
       
   699     User::LeaveIfError( repository->Set( KCalendarWeekViewTitle, tmp ) );
       
   700 
       
   701     tmp = iSnoozeTime;
       
   702     User::LeaveIfError( repository->Set( KCalendarSnoozeTime, tmp ) );
       
   703 
       
   704     CleanupStack::PopAndDestroy( repository );
       
   705     TRACE_EXIT_POINT;
       
   706 	}
       
   707 
       
   708 
       
   709 #ifdef RD_CALEN_EXTERNAL_CAL
       
   710 // ---------------------------------------------------------
       
   711 // CCalenSetting::ExtCalendar
       
   712 // Return cenrep value of external calendar availability
       
   713 // (other items were commented in a header).
       
   714 // ---------------------------------------------------------
       
   715 //
       
   716 EXPORT_C TInt CCalenSetting::ExtCalendar() const
       
   717     {
       
   718     TRACE_ENTRY_POINT;
       
   719 
       
   720     TInt enabled( 0 );
       
   721     CRepository* repository = NULL;
       
   722 
       
   723     PIM_TRAPD_HANDLE( (repository = CRepository::NewL( KCRUidCalenUIExtensions )) );
       
   724 
       
   725     if( repository )
       
   726         {
       
   727         repository->Get( KCalenExternalCalendarEnabled, enabled );
       
   728         delete repository;
       
   729         }
       
   730 
       
   731     // If value is other than 0/1 for some reason then it is possible to
       
   732     // add limitation to here. Should not be needed ever.
       
   733     TRACE_EXIT_POINT;
       
   734     return enabled;
       
   735     }
       
   736 
       
   737 // ---------------------------------------------------------
       
   738 // CCalenSetting::SetExtCalendar
       
   739 // Return 1 if external calendar is available. This value
       
   740 // is used as a index for enumeration items.
       
   741 // (other items were commented in a header).
       
   742 // ---------------------------------------------------------
       
   743 //
       
   744 EXPORT_C void CCalenSetting::SetExtCalendar(TInt aEnabled)
       
   745     {
       
   746     TRACE_ENTRY_POINT;
       
   747 
       
   748     CRepository* repository = NULL;
       
   749 
       
   750     PIM_TRAPD_HANDLE( (repository = CRepository::NewL( KCRUidCalenUIExtensions )) );
       
   751 
       
   752     if( repository )
       
   753         {
       
   754         repository->Set( KCalenExternalCalendarEnabled, aEnabled );
       
   755         delete repository;
       
   756         }
       
   757 
       
   758     TRACE_EXIT_POINT;
       
   759     }
       
   760 #endif //RD_CALEN_EXTERNAL_CAL
       
   761 
       
   762 // End of File