emailservices/emailserver/cmailhandlerplugin/src/fsmailledhandler.cpp
changeset 0 8466d47a6819
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     1 /*
       
     2 * Copyright (c) 2007-2008 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:  Class to handle mail led turning on. Uses parts from previous
       
    15 *                Bridge implementation.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 #include "emailtrace.h"
       
    21 #include <e32property.h>
       
    22 #include "EmailLedValues.h"
       
    23 #include "fsmailledhandler.h"
       
    24 #include "fsnotificationhandlertimer.h"
       
    25 
       
    26 
       
    27 // Timeout value for retrying to set the led property again
       
    28 static const TInt KLedRetryTimeout = 15*1000*1000;
       
    29 
       
    30 
       
    31 CFSMailLedHandler* CFSMailLedHandler::NewL(
       
    32     MFSNotificationHandlerMgr& aOwner )
       
    33     {
       
    34     FUNC_LOG;
       
    35     CFSMailLedHandler* self =
       
    36         new (ELeave) CFSMailLedHandler( aOwner );
       
    37     CleanupStack::PushL( self );
       
    38     self->ConstructL();
       
    39     CleanupStack::Pop( self );
       
    40     return self;
       
    41     }
       
    42 
       
    43 CFSMailLedHandler::CFSMailLedHandler(
       
    44     MFSNotificationHandlerMgr& aOwner ) :
       
    45     CFSNotificationHandlerBase( aOwner ),
       
    46     iState( EStarting ),
       
    47     iRetryCount( 0 )
       
    48     {
       
    49     FUNC_LOG;
       
    50     }
       
    51 
       
    52 void CFSMailLedHandler::ConstructL()
       
    53     {
       
    54     FUNC_LOG;
       
    55     CFSNotificationHandlerBase::ConstructL();
       
    56     
       
    57     iTimer = CFSNotificationHandlerTimer::NewL( *this );
       
    58     
       
    59     // Now try and retrieve the property value
       
    60     TimerCallBackL( KErrNone );
       
    61     }
       
    62 
       
    63 CFSMailLedHandler::~CFSMailLedHandler()
       
    64     {
       
    65     FUNC_LOG;
       
    66     delete iTimer;
       
    67     iTimer = NULL;
       
    68     }
       
    69 
       
    70 // ---------------------------------------------------------------------------
       
    71 // At startup this function will try up to KMaxLedRetry times
       
    72 // to open the LED property. If the property still fails to open, we will
       
    73 // assume that the LED is not supported by the hardware.
       
    74 // ---------------------------------------------------------------------------
       
    75 //
       
    76 void CFSMailLedHandler::TimerCallBackL( TInt aError )
       
    77     {
       
    78     FUNC_LOG;
       
    79     // request complete handler
       
    80     if ( aError == KErrNone )
       
    81         {
       
    82         switch ( iState )
       
    83             {
       
    84             case EStarting:
       
    85                 {
       
    86                 // Check if LED property exists. If not then this handler
       
    87                 // is not necessary.
       
    88                 RProperty property;
       
    89 
       
    90                 TInt ret = property.Attach( KPropertyUidEmailLedCategory,
       
    91                                             KEmailLEDOnRequest );
       
    92                 if ( KErrNone != ret )
       
    93                     {
       
    94                     // Led Starting Attach Failed
       
    95                     property.Close();
       
    96                     
       
    97                     // timer not needed any more
       
    98                     delete iTimer;
       
    99                     iTimer = NULL;
       
   100                     
       
   101                     ERROR_1( ret, "Attaching prop KPropertyUidEmailLedCategory failed: %d", ret )
       
   102                     return;
       
   103                     }
       
   104 
       
   105                 TInt val;
       
   106                 ret = property.Get( val );
       
   107 
       
   108                 if ( KErrNone != ret )
       
   109                     {
       
   110                     iRetryCount++;
       
   111                     if ( iRetryCount > KMaxLedRetry )
       
   112                         {
       
   113                         // Done Retrying, assume Led not supported
       
   114                         iState = ENotSupportLED;
       
   115                         }
       
   116                     else
       
   117                         {
       
   118                         //start a timer to wait 15 seconds
       
   119                         iTimer->After( KLedRetryTimeout );
       
   120                         }
       
   121                     }
       
   122                 else 
       
   123                     {
       
   124                     // We are now ready to observe mail events
       
   125                     SetObserving( ETrue );
       
   126                     iState = ESupportLED;
       
   127                     }
       
   128                 property.Close();
       
   129                 break;
       
   130                 }
       
   131             case ESupportLED:
       
   132             case ENotSupportLED:
       
   133             default:
       
   134                 {
       
   135                 break;
       
   136                 }
       
   137             }
       
   138         }
       
   139     }
       
   140 
       
   141 // ---------------------------------------------------------------------------
       
   142 // HandleEvent is implemented also here because we need to check the
       
   143 // Home Screen status.
       
   144 // ---------------------------------------------------------------------------
       
   145 //
       
   146 void CFSMailLedHandler::HandleEventL(
       
   147     TFSMailEvent aEvent,
       
   148     TFSMailMsgId aMailbox,
       
   149     TAny* aParam1,
       
   150     TAny* aParam2,
       
   151     TAny* aParam3 )
       
   152     {
       
   153     FUNC_LOG;
       
   154     // Event is checked also in CFSNotificationHandlerBase::HandleEventL.
       
   155     // Implementation could be improved so that there would be no need
       
   156     // for doing it twice. Now it has must be done here as we don't want
       
   157     // to check HS if this would not be a new mail. Also
       
   158     // CFSNotificationHandlerBase::HandleEventL needs the check the event
       
   159     // because CFSNotificationHandlerBase::HandleEventL is used in some
       
   160     // cases alone. (without the kind of prechecking that this function
       
   161     // does)
       
   162     if ( aEvent == TFSEventNewMail )
       
   163         {
       
   164         CFSNotificationHandlerBase::HandleEventL( aEvent,
       
   165                                                   aMailbox,
       
   166                                                   aParam1,
       
   167                                                   aParam2,
       
   168                                                   aParam3 );        
       
   169         }
       
   170     }
       
   171 
       
   172 
       
   173 
       
   174 void CFSMailLedHandler::TurnNotificationOn()
       
   175     {
       
   176     FUNC_LOG;
       
   177     RProperty property;
       
   178 
       
   179     TInt ret = property.Attach( KPropertyUidEmailLedCategory, KEmailLEDOnRequest );
       
   180 
       
   181     if ( KErrNone != ret )
       
   182         {
       
   183         // Led Attach Failed
       
   184         property.Close();
       
   185         return;
       
   186         }
       
   187 
       
   188     ret = property.Set( KSetEmailLedOn );
       
   189     property.Close();
       
   190     ERROR_1( ret, "TurnLedOn failed: %d", ret )
       
   191     }
       
   192 
       
   193 void CFSMailLedHandler::TurnNotificationOff()
       
   194     {
       
   195     FUNC_LOG;
       
   196     return;
       
   197     }
       
   198 
       
   199 // End of file
       
   200