1 /*

     2 * Copyright (c) 2003-2007 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:  A foreground observer control in the status pane's

    15 *                navigation pane.

    16 *

    17 */

    18 

    19 

    20 // INCLUDE FILES

    21 #include "AknNaviForegroundObserver.h"

    22 

    23 #include <AknTasHook.h>

    24 CAknNaviForegroundObserver::CAknNaviForegroundObserver(){};

    25 

    26 CAknNaviForegroundObserver::~CAknNaviForegroundObserver()

    27     {

    28     AKNTASHOOK_REMOVE();

    29     iCoeEnv->RemoveForegroundObserver( *this );     

    30     };

    31 

    32 CAknNaviForegroundObserver* CAknNaviForegroundObserver::NewL(

    33     CAknNavigationControlContainer* aParent )

    34     {

    35 	CAknNaviForegroundObserver* self =

    36 	    CAknNaviForegroundObserver::NewLC( aParent );

    37 	CleanupStack::Pop( self );

    38 	return self;

    39     }

    40 

    41 CAknNaviForegroundObserver* CAknNaviForegroundObserver::NewLC(

    42     CAknNavigationControlContainer* aParent )

    43     {

    44 	CAknNaviForegroundObserver* self =

    45 	    new (ELeave) CAknNaviForegroundObserver();

    46 	CleanupStack::PushL( self );

    47 	self->ConstructL( aParent );

    48 	AKNTASHOOK_ADDL( self, "CAknNaviForegroundObserver" );

    49 	return self;

    50     }

    51 

    52 void CAknNaviForegroundObserver::ConstructL(

    53     CAknNavigationControlContainer* aParent )

    54     {

    55     iParent = aParent;

    56     iHasForegroundGained = EFalse;

    57     iCoeEnv->AddForegroundObserverL( *this );

    58     MakeVisible( EFalse );

    59     }

    60 

    61 void CAknNaviForegroundObserver::HandleGainingForeground()

    62     {

    63     iHasForegroundGained = ETrue;

    64     TRAP_IGNORE( iParent->HandleGainingForegroundL() );

    65     }

    66 

    67 void CAknNaviForegroundObserver::HandleLosingForeground()

    68     {

    69     iHasForegroundGained = EFalse;

    70     iParent->HandleLosingForeground();

    71     }

    72 

    73 TBool CAknNaviForegroundObserver::HasForegroundGained()

    74     {

    75     return iHasForegroundGained;

    76     }