1 /*

     2 * Copyright (c) 2004, 2005 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:  This file implements the timer functionality required for the

    15 *                hiding of pointer in case of inactivity.

    16 *

    17 */

    18 

    19 

    20 // User Includes

    21 #include "SVGTPointerHideTimer.h"

    22 

    23 // ============================ MEMBER FUNCTIONS ===============================

    24 

    25 // -----------------------------------------------------------------------------

    26 // CSVGTPointerHideTimer::CSVGTPointerHideTimer

    27 // Default Constructor. Initialises Timer State Variables.

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

    29 //

    30 CSVGTPointerHideTimer::CSVGTPointerHideTimer( MSVGTPointerInactivityListener* 

    31         aListener) : // Listener for the pointer inactivity

    32     CTimer( CActive::EPriorityStandard ), iInactivityListener( aListener )

    33     {

    34     }

    35 

    36 // -----------------------------------------------------------------------------

    37 // CSVGTPointerHideTimer::ConstructL

    38 // Second Phase Constructor for CSVGTPointerHideTimer. Adds this object to the 

    39 // applications active scheduler.

    40 // -----------------------------------------------------------------------------

    41 //

    42 void CSVGTPointerHideTimer::ConstructL()

    43     {

    44     // Call the base class ConstructL

    45     CTimer::ConstructL();

    46     // Add to active scheduler

    47     CActiveScheduler::Add( this );

    48     }

    49 

    50 // -----------------------------------------------------------------------------

    51 // CSVGTPointerHideTimer::NewLC

    52 // Factory function for creating CSVGTPointerHideTimer objects. It also 

    53 // pushes the created dialog object onto the cleanup stack.

    54 // Returns: CSVGTPointerHideTimer* ; Pointer to the created object.

    55 //          Leaves if error occurs during creation.

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

    57 //

    58 CSVGTPointerHideTimer* CSVGTPointerHideTimer::NewLC(

    59     MSVGTPointerInactivityListener* aListener ) // Listener for inactivity event

    60     {

    61     CSVGTPointerHideTimer* self = new ( ELeave ) CSVGTPointerHideTimer( 

    62             aListener );

    63     CleanupStack::PushL( self );

    64     self->ConstructL();

    65     return self;

    66     }

    67 

    68 // -----------------------------------------------------------------------------

    69 // CSVGTPointerHideTimer::NewL

    70 // Factory function for creating CSVGTPointerHideTimer objects.

    71 // Returns: CSVGTPointerHideTimer* ; Pointer to the created object.

    72 //          Leaves if error occurs during creation.

    73 // -----------------------------------------------------------------------------

    74 //

    75 CSVGTPointerHideTimer* CSVGTPointerHideTimer::NewL( 

    76     MSVGTPointerInactivityListener* aListener ) // Listener for inactivity event

    77     {

    78     CSVGTPointerHideTimer* self = NewLC( aListener );

    79     CleanupStack::Pop( self );

    80     return self;

    81     }

    82 

    83 

    84 // Destructor

    85 CSVGTPointerHideTimer::~CSVGTPointerHideTimer()

    86     {

    87     // Reset the listener

    88     iInactivityListener = NULL;

    89     // Cancel any pending timer events 

    90     Cancel();

    91     }

    92 

    93 // -----------------------------------------------------------------------------

    94 // CSVGTPointerHideTimer::DoCancel

    95 // Reimplements CActive::DoCancel. 

    96 // -----------------------------------------------------------------------------

    97 //

    98 void CSVGTPointerHideTimer::DoCancel()

    99     {

   100     CTimer::DoCancel();

   101     }

   102 

   103 // -----------------------------------------------------------------------------

   104 // CSVGTPointerHideTimer::RunL

   105 // Reimplements CActive::RunL. This function resets the inactivity timer 

   106 // so that the control is triggered to hide the pointer when no 

   107 // activity occurs for a specified time period

   108 // -----------------------------------------------------------------------------

   109 //

   110 void CSVGTPointerHideTimer::RunL()

   111     {

   112     // Callback 

   113     if ( iInactivityListener )

   114         {

   115         iInactivityListener->PointerInactivityTimeout();

   116         }

   117     }

   118 

   119 // End of File