sapi_calendar/calendarservice/src/calendarnotify.cpp
changeset 0 14df0fbfcc4e
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-1:000000000000 0:14df0fbfcc4e
       
     1 /*
       
     2 * Copyright (c) 2007 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 the License "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 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #include <calchangecallback.h>
       
    21 #include <calsession.h>
       
    22 
       
    23 
       
    24 #include "Calendarheader.h"
       
    25 #include "Calendarnotify.h"
       
    26 #include "asyncreqobserver.h"
       
    27 
       
    28 
       
    29 // ---------------------------------------------------------------------------
       
    30 // two-phased constructor
       
    31 // ---------------------------------------------------------------------------
       
    32 CCalendarObserver* CCalendarObserver::NewL( CCalendarSessionInfo* aSessionInfo,
       
    33 												CCalendarFilter* aFilter,
       
    34 												CAsyncRequestObserver* aAsyncRequestObserver,
       
    35 												MCalCallbackBase* aNotifyCallback )
       
    36 	{
       
    37 	CCalendarObserver* self = new(ELeave) CCalendarObserver( aSessionInfo, aAsyncRequestObserver, aNotifyCallback );
       
    38 	CleanupStack::PushL( self );
       
    39 	self->ConstructL( aFilter );
       
    40 	CleanupStack::Pop( self );
       
    41 	return self;
       
    42 	}
       
    43 	
       
    44 // ---------------------------------------------------------------------------
       
    45 // destructor
       
    46 // ---------------------------------------------------------------------------
       
    47 CCalendarObserver::~CCalendarObserver()
       
    48 	{
       
    49 	delete iFilter;
       
    50 	
       
    51 	if ( iSession )
       
    52 		{
       
    53 		iSession->StopChangeNotification();
       
    54 		delete iSession;
       
    55 		}
       
    56 	}
       
    57 
       
    58 // ---------------------------------------------------------------------------
       
    59 // default constructor
       
    60 // ---------------------------------------------------------------------------
       
    61 CCalendarObserver::CCalendarObserver( CCalendarSessionInfo* aSessionInfo, 
       
    62 										CAsyncRequestObserver* aAsyncRequestObserver,
       
    63 										MCalCallbackBase* aNotifyCallback ) :
       
    64 //						CActive( EPriorityStandard ),
       
    65 						iSessionInfo( aSessionInfo ),
       
    66 						iNotifyCallback( aNotifyCallback ),
       
    67 						iAsyncRequestObserver( aAsyncRequestObserver ),
       
    68 						iIsInProgress(EFalse)
       
    69 	{
       
    70 	CActiveScheduler::Add( this ); 
       
    71 	}
       
    72 
       
    73 // ---------------------------------------------------------------------------
       
    74 // second phase constructor
       
    75 // ---------------------------------------------------------------------------
       
    76 void CCalendarObserver::ConstructL( CCalendarFilter* aFilter )
       
    77 	{
       
    78 	iFilter = CCalendarFilter::NewL();
       
    79 	*iFilter = *aFilter;
       
    80 	}
       
    81 
       
    82 // ---------------------------------------------------------------------------
       
    83 // Initiates the Notification process
       
    84 // ---------------------------------------------------------------------------
       
    85 void CCalendarObserver::StartChangeNotificationL()
       
    86 	{
       
    87 	iSession = CCalSession::NewL();
       
    88 	iSession->OpenL( iSessionInfo->Calendar() );
       
    89 
       
    90 	TBool includeUndateToDo = ( iFilter->Filter() & EFlagUnDateToDo );
       
    91 
       
    92 	CalCommon::TCalTimeRange range =  iFilter->TimeRange();
       
    93 
       
    94 	if( range.EndTime().TimeLocalL() != Time::NullTTime() && 
       
    95 		range.StartTime().TimeLocalL() != Time::NullTTime() )
       
    96 		{
       
    97 		if( range.EndTime().TimeLocalL() < range.StartTime().TimeLocalL() )
       
    98 			User::Leave( KErrArgument );
       
    99 		}
       
   100 
       
   101 	// Create notification filter object specifying that notification for all entry types is required
       
   102 	CCalChangeNotificationFilter* filter = CCalChangeNotificationFilter::NewL( MCalChangeCallBack2::EChangeEntryAll, 
       
   103 													includeUndateToDo, 
       
   104 													iFilter->TimeRange() );
       
   105 	iSession->StartChangeNotification( *this, *filter );
       
   106 	delete filter;
       
   107 	ActivateRequest( KErrNone );
       
   108 	}
       
   109 
       
   110 
       
   111 // ---------------------------------------------------------------------------
       
   112 // MCalChangeCallBack2::CalChangeNotification
       
   113 // Indicates the event of arrival of change in calendar.
       
   114 // ---------------------------------------------------------------------------
       
   115 void CCalendarObserver::CalChangeNotification(RArray< TCalChangeEntry > &aChangeItems)
       
   116 	{
       
   117 	iIsInProgress = ETrue;
       
   118 	if ( iFilter->Filter() & EFilterLUid )
       
   119 		{
       
   120 		RArray< TCalChangeEntry > filteredItems;
       
   121 		TInt count = aChangeItems.Count();
       
   122 		TInt uidCount = iFilter->LocalUidList().Count();
       
   123 			
       
   124 		for ( TInt index = 0; index < count; index++ )
       
   125 			{
       
   126 			for ( TInt i = 0; i < uidCount; i++ )
       
   127 				{
       
   128 				// Filter only those entries having local uids specified
       
   129 				if ( aChangeItems[index].iEntryId ==  iFilter->LocalUidList()[i] )
       
   130 					{
       
   131 					filteredItems.Append( aChangeItems[index] );
       
   132 					break;
       
   133 					}
       
   134 				}
       
   135 			}
       
   136 		// Notify the user of the changed entries
       
   137 		TRAPD(err, iNotifyCallback->NotifyResultL( KErrNone, (TAny*)(&filteredItems) ));
       
   138 		filteredItems.Reset();
       
   139 		}
       
   140 	else
       
   141 		{
       
   142 		TRAPD(err, iNotifyCallback->NotifyResultL( KErrNone, (TAny*)(&aChangeItems) ));
       
   143 		}
       
   144 	iIsInProgress = EFalse;	
       
   145 	}		
       
   146 	
       
   147 // ---------------------------------------------------------------------------
       
   148 // Inherited from CActive class 
       
   149 // ---------------------------------------------------------------------------
       
   150 //
       
   151 void CCalendarObserver::DoCancel()
       
   152 	{
       
   153 	TRequestStatus* temp = &iStatus;
       
   154 	User::RequestComplete( temp, KErrCancel );
       
   155 	// Stop the notificaton operation
       
   156 	iSession->StopChangeNotification();
       
   157 	iAsyncRequestObserver->RequestComplete( iNotifyCallback->iTransactionId );
       
   158 	TRAPD( err, iNotifyCallback->NotifyResultL( KErrCancel, NULL ));
       
   159 	}
       
   160 
       
   161 // ---------------------------------------------------------------------------
       
   162 // Inherited from CActive class 
       
   163 // ---------------------------------------------------------------------------
       
   164 //
       
   165 void CCalendarObserver::RunL()
       
   166 	{
       
   167 
       
   168 	}
       
   169 	
       
   170 // ---------------------------------------------------------------------------
       
   171 // Activates the asynchronous request
       
   172 // ---------------------------------------------------------------------------
       
   173 //
       
   174 void CCalendarObserver::ActivateRequest( TInt /*aReason*/ )
       
   175 	{
       
   176 	iStatus = KRequestPending;
       
   177 	SetActive();
       
   178 	}
       
   179 
       
   180 TBool CCalendarObserver::IsInProgress()
       
   181 	{
       
   182 	return iIsInProgress;
       
   183 	}