1 /*

     2 * Copyright (c) 2005-2006 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:  Environment change observer for AI2

    15 *

    16 */

    17 

    18 

    19 #include <bacntf.h> // for CEnvironmentChangeNotifier

    20 #include <coemain.h>

    21 #include <AknDef.h> // for KEikDynamicLayoutVariantSwitch

    22 #include "aienvironmentchangeobserver.h"

    23 #include "aistatemanager.h"

    24 #include "aifwpanic.h"

    25 #include "debug.h"

    26 

    27 CAiEnvironmentChangeObserver::CAiEnvironmentChangeObserver()

    28     {

    29     }

    30     

    31 CAiEnvironmentChangeObserver::~CAiEnvironmentChangeObserver()

    32     {

    33     if( iEnvironmentChangeNotifier )

    34         {

    35         iEnvironmentChangeNotifier->Cancel();

    36         delete iEnvironmentChangeNotifier;

    37         }

    38     }

    39 

    40 CAiEnvironmentChangeObserver* CAiEnvironmentChangeObserver::NewL( MAiStateManager* aStateManager )

    41     {

    42     CAiEnvironmentChangeObserver* self = new (ELeave) CAiEnvironmentChangeObserver();

    43     CleanupStack::PushL(self);

    44     self->ConstructL( aStateManager );

    45     CleanupStack::Pop(self);

    46     return self;

    47     }

    48 

    49 void CAiEnvironmentChangeObserver::ConstructL( MAiStateManager* aStateManager )

    50     {

    51     iStateManager = aStateManager;

    52     iEnvironmentChangeNotifier = CEnvironmentChangeNotifier::NewL(

    53                                     EActivePriorityLogonA,

    54                                     TCallBack( EnvironmentChangeCallBack, this ) );

    55     iEnvironmentChangeNotifier->Start();

    56     }

    57     

    58 TAiStateChanges CAiEnvironmentChangeObserver::Status()

    59     {

    60     // No statuses to report

    61     return ESMAIUnknownState;

    62     }

    63 

    64 TInt CAiEnvironmentChangeObserver::EnvironmentChangeCallBack(TAny* aPtr)

    65     {

    66     CAiEnvironmentChangeObserver* self =

    67             static_cast<CAiEnvironmentChangeObserver*>( aPtr );

    68             

    69     __ASSERT_DEBUG( self, 

    70                     AiFwPanic::Panic( AiFwPanic::EAiFwPanic_NullPointerReference ) );

    71                     

    72     const TInt changes( self->iEnvironmentChangeNotifier->Change() );

    73 

    74     // report environment changes

    75     if( changes & EChangesMidnightCrossover )

    76         {

    77         __PRINTS("XAI: Event: Midnight crossover");

    78         self->iStateManager->ReportStateChange( ESMAIMidnightCrossover );

    79         }

    80     if( changes & EChangesSystemTime )

    81         {

    82         __PRINTS("XAI: Event: Time changed");

    83         self->iStateManager->ReportStateChange( ESMAITimeChanged );

    84         }

    85     if( changes & EChangesLocale )

    86         {

    87         __PRINTS("XAI: Event: Locale setting changed");

    88         self->iStateManager->ReportStateChange( ESMAILocaleChanged );

    89         }

    90 

    91     return EFalse;

    92     }

    93