1 /*

     2 * Copyright (c) 2009 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:

    15 *

    16 */

    17 

    18 //  INCLUDES

    19 #include <e32base.h>

    20 #include <centralrepository.h>

    21 #include <hwrmlightdomaincrkeys.h>

    22 #include <QtCore>

    23 #include "lcactivitymanager.h"

    24 #include "lclogger.h"

    25 

    26 

    27 const int lcDefaultInactivityTimeout = 5; //timeout in seconds, used if fetching 

    28                                           //value from cenrep fails

    29 const int lcInvalidTimerId = -1;

    30 

    31 // -----------------------------------------------------------------------------

    32 //

    33 // -----------------------------------------------------------------------------

    34 //

    35 LcActivityManager::LcActivityManager() : 

    36     mTimerId(lcInvalidTimerId)

    37 {

    38     if (initInactivityTimeout() != 0) {

    39         mInactivityTimeout = lcDefaultInactivityTimeout;

    40     }    

    41 }

    42 

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

    44 //

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

    46 //

    47 LcActivityManager::~LcActivityManager()

    48 {

    49     stopTimer();

    50 }

    51 

    52 // -----------------------------------------------------------------------------

    53 //

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

    55 //

    56 void LcActivityManager::enableActivitySimulation(bool enable)

    57 {

    58     if (enable) {

    59         restartTimer();

    60     } else {

    61         stopTimer();

    62     }

    63 }

    64 

    65 // -----------------------------------------------------------------------------

    66 //

    67 // -----------------------------------------------------------------------------

    68 //

    69 bool LcActivityManager::isActivitySimulationEnabled()

    70 {

    71     return (mTimerId != lcInvalidTimerId);

    72 }

    73 

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

    75 //

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

    77 //

    78 int LcActivityManager::initInactivityTimeout()

    79 {

    80     CRepository* repository = 0;

    81     TRAPD(err, repository = CRepository::NewL(KCRUidLightSettings));

    82     if (err == KErrNone) {

    83         // Let's fetching display light timeout value (in seconds )

    84         TInt displayTimeOut(0);

    85         err = repository->Get(KDisplayLightsTimeout, displayTimeOut);

    86         if (displayTimeOut > 2) {

    87             //taking away 2 seconds just in case, to ensure we keep

    88             //simulating user activity frequently enough

    89             displayTimeOut -= 2;

    90         }

    91         mInactivityTimeout = displayTimeOut;

    92     }

    93     delete repository;

    94     return err;

    95 }

    96 

    97 // -----------------------------------------------------------------------------

    98 //

    99 // -----------------------------------------------------------------------------

   100 //

   101 void LcActivityManager::stopTimer()

   102 {

   103     if (mTimerId != lcInvalidTimerId) {

   104         killTimer(mTimerId);

   105         mTimerId = lcInvalidTimerId;

   106     }

   107 }

   108 

   109 // -----------------------------------------------------------------------------

   110 //

   111 // -----------------------------------------------------------------------------

   112 //

   113 void LcActivityManager::restartTimer()

   114 {

   115     stopTimer();

   116 

   117     int timeLeftInSeconds = mInactivityTimeout - User::InactivityTime().Int();

   118     if ( timeLeftInSeconds < 1 ) {

   119         User::ResetInactivityTime();

   120         timeLeftInSeconds = mInactivityTimeout;

   121     }

   122     

   123     LC_QDEBUG_2( "livecomms [UI] -> LcActivityManager::startTimer(), interval: ", timeLeftInSeconds);

   124     

   125     mTimerId = startTimer(timeLeftInSeconds*1000);

   126 }

   127 

   128 // -----------------------------------------------------------------------------

   129 //

   130 // -----------------------------------------------------------------------------

   131 //

   132 void LcActivityManager::timerEvent(QTimerEvent* event)

   133 {

   134     if (event->timerId() == mTimerId) {

   135         LC_QDEBUG( "livecomms [UI] -> LcActivityManager::timerEvent()" );

   136         restartTimer(); 

   137     }

   138 }