lbs/lbstestutils/src/ctlbstimerutils.cpp
branchSymbian2
changeset 1 8758140453c0
child 6 c108117318cb
equal deleted inserted replaced
0:e8c1ea2c6496 1:8758140453c0
       
     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Symbian Foundation License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // @file ctlbstimerutils.cpp
       
    15 // 
       
    16 //
       
    17 
       
    18 
       
    19 #include "ctlbstimerutils.h"
       
    20 
       
    21 
       
    22 /**
       
    23   Function : NewL
       
    24   Description :  It performs the two construction and returns an object
       
    25   				 of type CT_MsgTimerUtils
       
    26   @internalTechnology
       
    27   @param :
       
    28   @return : N/A
       
    29   @precondition : none
       
    30   @postcondition : none
       
    31 */
       
    32 EXPORT_C CT_LbsTimerUtils* CT_LbsTimerUtils::NewL(MT_LbsTimerUtilsObserver* aObserver, TInt aTimerId)
       
    33 	{
       
    34 	CT_LbsTimerUtils* self = new(ELeave) CT_LbsTimerUtils(aObserver, aTimerId);
       
    35 
       
    36 	CleanupStack::PushL(self);
       
    37 	self->ConstructL();
       
    38 	CleanupStack::Pop();
       
    39 
       
    40 	return self;
       
    41 	}
       
    42 
       
    43 
       
    44 /**
       
    45   Function : CT_MsgTimerUtils
       
    46   Description : Constructor
       
    47   @internalTechnology
       
    48   @param :
       
    49   @return : N/A
       
    50   @precondition : none
       
    51   @postcondition : none
       
    52 */
       
    53 CT_LbsTimerUtils::CT_LbsTimerUtils(MT_LbsTimerUtilsObserver* aObserver, TInt aTimerId)
       
    54 	:
       
    55 	CTimer(CTimer::EPriorityHigh),
       
    56 	iObserver(aObserver),
       
    57 	iTimerId(aTimerId)
       
    58 	{
       
    59 	CActiveScheduler::Add(this);
       
    60 	}
       
    61 
       
    62 
       
    63 /**
       
    64   Function : ~CT_MsgTimerUtils
       
    65   Description : Destructor
       
    66   @internalTechnology
       
    67   @param :
       
    68   @return : N/A
       
    69   @precondition : none
       
    70   @postcondition : none
       
    71 */
       
    72 EXPORT_C CT_LbsTimerUtils::~CT_LbsTimerUtils()
       
    73 	{
       
    74 	Cancel();
       
    75 	}
       
    76 
       
    77 void CT_LbsTimerUtils::ConstructL()
       
    78 	{
       
    79 	CTimer::ConstructL();
       
    80 	}
       
    81 
       
    82 
       
    83 /**
       
    84   Function : After
       
    85   Description : Calls the After function CTimer for the given number of secs
       
    86   @internalTechnology
       
    87   @param :
       
    88   @return : N/A
       
    89   @precondition : none
       
    90   @postcondition : none
       
    91 */
       
    92 EXPORT_C void CT_LbsTimerUtils::SetTimer(const TTimeIntervalMicroSeconds32 aPeriod)
       
    93 {
       
    94 	iTargetTime = 0;
       
    95 	HighRes(aPeriod);
       
    96 }
       
    97 	
       
    98 	
       
    99 EXPORT_C void CT_LbsTimerUtils::SetTimer(const TTime& aUtcTargetTime)
       
   100 	{
       
   101 	Cancel();
       
   102 	
       
   103 	iTargetTime = aUtcTargetTime;
       
   104 
       
   105 	TTime zeroTime(0);
       
   106 
       
   107 	if (aUtcTargetTime == zeroTime)
       
   108 		{
       
   109 		return;
       
   110 		}
       
   111 	
       
   112 	TTime timeNow;
       
   113 	timeNow.UniversalTime();
       
   114 	
       
   115 	TTimeIntervalMicroSeconds delay(0);
       
   116 	
       
   117 	if (timeNow < aUtcTargetTime)
       
   118 		{
       
   119 		delay = aUtcTargetTime.MicroSecondsFrom(timeNow);
       
   120 		}
       
   121 
       
   122 	TInt delay32 = static_cast<TInt>(I64LOW(delay.Int64()));
       
   123 	
       
   124 	if (delay32 < 0)
       
   125 		{
       
   126 		delay32 = 0;
       
   127 		}
       
   128 
       
   129 	TTimeIntervalMicroSeconds32 time32 = TTimeIntervalMicroSeconds32(delay32);
       
   130 	
       
   131 	HighRes(time32);
       
   132 	}
       
   133 	
       
   134 EXPORT_C void CT_LbsTimerUtils::CancelTimer()
       
   135 	{
       
   136 	Cancel();
       
   137 	}
       
   138 	
       
   139 /**
       
   140   Function : RunL
       
   141   Description : Gives the status of the operation 
       
   142   @internalTechnology
       
   143   @param :
       
   144   @return : N/A
       
   145   @precondition : none
       
   146   @postcondition : none
       
   147 */
       
   148 void CT_LbsTimerUtils::RunL()
       
   149 	{
       
   150 	if (iObserver)
       
   151 		{
       
   152 		iObserver->HandleTimerL(iTimerId, iTargetTime);
       
   153 		}
       
   154 	}