1 /*

     2 * Copyright (c) 2002-2007 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 "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:  Monitor for idle screen availability.

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include    "TSatSystemStateFactory.h"

    21 #include    "MSatSystemStateChangeNotifier.h"

    22 #include    "CSatIdleScreenMonitor.h"

    23 #include    "SatLog.h"

    24 

    25 

    26 // ============================ MEMBER FUNCTIONS ===============================

    27 // -----------------------------------------------------------------------------

    28 // CSatIdleScreenMonitor::CSatIdleScreenMonitor

    29 // C++ default constructor can NOT contain any code, that

    30 // might leave.

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

    32 //

    33 CSatIdleScreenMonitor::CSatIdleScreenMonitor(

    34     MSatEventMonitorUtils& aUtils ) :

    35     CSatEventMonitorHandler( aUtils )

    36     {

    37     LOG( SIMPLE, "SATEVENTMONITORS: CSatIdleScreenMonitor::\

    38         CSatIdleScreenMonitor calling-exiting" )

    39     }

    40 

    41 // Destructor

    42 CSatIdleScreenMonitor::~CSatIdleScreenMonitor()

    43     {

    44     LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::\

    45         ~CSatIdleScreenMonitor calling" )

    46 

    47     delete iPSNotifier;

    48 

    49     LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::\

    50         ~CSatIdleScreenMonitor exiting" )

    51     }

    52 

    53 // -----------------------------------------------------------------------------

    54 // CSatIdleScreenMonitor::NewL

    55 // Two-phased constructor.

    56 // -----------------------------------------------------------------------------

    57 //

    58 CSatIdleScreenMonitor* CSatIdleScreenMonitor::NewL(

    59     MSatEventMonitorUtils& aUtils )

    60     {

    61     LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::NewL calling" )

    62 

    63     CSatIdleScreenMonitor* self = new( ELeave ) CSatIdleScreenMonitor( aUtils );

    64     CleanupStack::PushL( self );

    65     self->ConstructL();

    66     CleanupStack::Pop( self );

    67 

    68     LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::NewL exiting" )

    69     return self;

    70     }

    71 

    72 // -----------------------------------------------------------------------------

    73 // CSatIdleScreenMonitor::ConstructL

    74 // Symbian 2nd phase constructor can leave.

    75 // -----------------------------------------------------------------------------

    76 //

    77 void CSatIdleScreenMonitor::ConstructL()

    78     {

    79     LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::\

    80         ConstructL calling" )

    81 

    82     // Create base class and give this monitors event as a parameter

    83     BaseConstructL( MSatEventMonitor::EIdleScreenAvailable );

    84     iPSNotifier =

    85         TSatSystemStateFactory::CreateIdleModeChangeNotifierL( *this );

    86 

    87     LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::\

    88         ConstructL exiting" )

    89     }

    90 

    91 // -----------------------------------------------------------------------------

    92 // CSatIdleScreenMonitor::DoCancelMonitor

    93 // Cancels monitor.

    94 // -----------------------------------------------------------------------------

    95 //

    96 void CSatIdleScreenMonitor::DoCancelMonitor()

    97     {

    98     LOG( SIMPLE,

    99         "SATEVENTMONITORS:CSatIdleScreenMonitor::DoCancelMonitor calling" )

   100 

   101     iPSNotifier->CancelNotify();

   102 

   103     LOG( SIMPLE,

   104         "SATEVENTMONITORS:CSatIdleScreenMonitor::DoCancelMonitor exiting" )

   105     }

   106 

   107 // -----------------------------------------------------------------------------

   108 // CSatIdleScreenMonitor::StartMonitor

   109 // Starts monitor.

   110 // -----------------------------------------------------------------------------

   111 //

   112 TInt CSatIdleScreenMonitor::StartMonitor()

   113     {

   114     LOG( SIMPLE,

   115         "SATEVENTMONITORS:CSatIdleScreenMonitor::StartMonitor calling" )

   116 

   117     // Cancel first, it might be activated already

   118     DoCancelMonitor();

   119 

   120     // Now start it again

   121     TRAPD( err, iPSNotifier->NotifyChangeL() );

   122 

   123     LOG2( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::\

   124         StartMonitor exiting with code: %d", err )

   125     return err;

   126     }

   127 

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

   129 // CSatIdleScreenMonitor::StateChanged

   130 // Called when idle screen is available.

   131 // -----------------------------------------------------------------------------

   132 //

   133 void CSatIdleScreenMonitor::StateChanged()

   134     {

   135     LOG( SIMPLE,

   136         "SATEVENTMONITORS:CSatIdleScreenMonitor::StateChanged calling" )

   137 

   138     // Inform SAT Engine that idle screen is available.

   139     EventOccured();

   140 

   141     LOG( SIMPLE,

   142         "SATEVENTMONITORS:CSatIdleScreenMonitor::StateChanged exiting" )

   143     }

   144 

   145 // End of file