1 /*

     2  * Copyright (c) 2010 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  * Description:

    13  * This class contains implementation of CFlexTimerWakeUpTimer.

    14  *

    15  */

    16 

    17 // System include files

    18 // None

    19 

    20 // User include files go here:

    21 #include "flextimerwakeuptimer.h"

    22 #include "mflextimerwakeuptimercb.h"

    23 #include "OstTraceDefinitions.h"

    24 #ifdef OST_TRACE_COMPILER_IN_USE

    25 #include "flextimerwakeuptimerTraces.h"

    26 #endif

    27 

    28 // ---------------------------------------------------------------------------

    29 // NewL

    30 // ---------------------------------------------------------------------------

    31 //

    32 CFlexTimerWakeUpTimer* CFlexTimerWakeUpTimer::NewL(

    33     MFlexTimerWakeUpTimerCB& aObserver )

    34     {

    35     CFlexTimerWakeUpTimer* self = new (ELeave) CFlexTimerWakeUpTimer(

    36         aObserver );

    37     

    38     CleanupStack::PushL( self );

    39     self->ConstructL();

    40     CleanupStack::Pop( self );

    41     return self;

    42     }

    43 // ---------------------------------------------------------------------------

    44 // destructor, Cancel timer just in case it is still running.

    45 // ---------------------------------------------------------------------------

    46 //

    47 CFlexTimerWakeUpTimer::~CFlexTimerWakeUpTimer()

    48     {

    49     // Super class CTimer destructor Cancels any pending requests.

    50     OstTrace0( TRACE_INTERNAL,

    51         DUP1_CFLEXTIMERWAKEUPTIMER_CFLEXTIMERWAKEUPTIMER,

    52         "CFlexTimerWakeUpTimer::~CFlexTimerWakeUpTimer" );

    53     }

    54 // ---------------------------------------------------------------------------

    55 // Start timer so that it will expire aInterval after this moment.

    56 // UTC is used to get indications about system time change.

    57 // ---------------------------------------------------------------------------

    58 //

    59 void CFlexTimerWakeUpTimer::StartTimer( TTimeIntervalMicroSeconds& aInterval )

    60     {

    61     CTimer::Cancel();

    62     TTime utcNow( 0 );

    63 

    64     utcNow.UniversalTime();

    65     utcNow = utcNow + aInterval;

    66     

    67     OstTraceExt1( TRACE_INTERNAL,

    68         CFLEXTIMERWAKEUPTIMER_STARTTIMER,

    69         "CFlexTimerWakeUpTimer::StartTimer;aInterval=%Ld",

    70         aInterval.Int64() );

    71 

    72     AtUTC( utcNow );

    73     }

    74 // ---------------------------------------------------------------------------

    75 // just call Cancel. If timer is alreay running it will be stopped.

    76 // ---------------------------------------------------------------------------

    77 //

    78 void CFlexTimerWakeUpTimer::StopTimer()

    79     {

    80     OstTrace0( TRACE_INTERNAL,

    81         CFLEXTIMERWAKEUPTIMER_STOPTIMER,

    82         "CFlexTimerWakeUpTimer::StopTimer" );

    83 

    84     Cancel();

    85     }

    86 // ---------------------------------------------------------------------------

    87 // KErrAbort comes if system time has changed. It is up to client to restart

    88 // timer

    89 // ---------------------------------------------------------------------------

    90 //

    91 void CFlexTimerWakeUpTimer::RunL()

    92     {

    93     if ( KErrAbort == iStatus.Int() )

    94         {

    95         iObserver.SystemTimeChanged();

    96         }

    97     else

    98         {

    99         iObserver.WakeUp();

   100         }

   101     }

   102 // ---------------------------------------------------------------------------

   103 // Private constructor

   104 // ---------------------------------------------------------------------------

   105 //

   106 CFlexTimerWakeUpTimer::CFlexTimerWakeUpTimer(

   107     MFlexTimerWakeUpTimerCB& aObserver ) :

   108         CTimer( EPriorityStandard ), iObserver( aObserver )

   109     {

   110     OstTrace0( TRACE_INTERNAL,

   111         CFLEXTIMERWAKEUPTIMER_CFLEXTIMERWAKEUPTIMER,

   112         "CFlexTimerWakeUpTimer::CFlexTimerWakeUpTimer" );

   113 

   114     //Nothing to do here

   115     }

   116 // ---------------------------------------------------------------------------

   117 // Private 2nd phase construction

   118 // ---------------------------------------------------------------------------

   119 //

   120 void CFlexTimerWakeUpTimer::ConstructL()

   121     {

   122     CActiveScheduler::Add( this );

   123     CTimer::ConstructL();

   124     }