idlefw/src/framework/aienvironmentchangeobserver.cpp
changeset 0 79c6a41cd166
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlefw/src/framework/aienvironmentchangeobserver.cpp	Thu Dec 17 08:54:17 2009 +0200
@@ -0,0 +1,93 @@
+/*
+* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Environment change observer for AI2
+*
+*/
+
+
+#include <bacntf.h> // for CEnvironmentChangeNotifier
+#include <coemain.h>
+#include <AknDef.h> // for KEikDynamicLayoutVariantSwitch
+#include "aienvironmentchangeobserver.h"
+#include "aistatemanager.h"
+#include "aifwpanic.h"
+#include "debug.h"
+
+CAiEnvironmentChangeObserver::CAiEnvironmentChangeObserver()
+    {
+    }
+    
+CAiEnvironmentChangeObserver::~CAiEnvironmentChangeObserver()
+    {
+    if( iEnvironmentChangeNotifier )
+        {
+        iEnvironmentChangeNotifier->Cancel();
+        delete iEnvironmentChangeNotifier;
+        }
+    }
+
+CAiEnvironmentChangeObserver* CAiEnvironmentChangeObserver::NewL( MAiStateManager* aStateManager )
+    {
+    CAiEnvironmentChangeObserver* self = new (ELeave) CAiEnvironmentChangeObserver();
+    CleanupStack::PushL(self);
+    self->ConstructL( aStateManager );
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+void CAiEnvironmentChangeObserver::ConstructL( MAiStateManager* aStateManager )
+    {
+    iStateManager = aStateManager;
+    iEnvironmentChangeNotifier = CEnvironmentChangeNotifier::NewL(
+                                    EActivePriorityLogonA,
+                                    TCallBack( EnvironmentChangeCallBack, this ) );
+    iEnvironmentChangeNotifier->Start();
+    }
+    
+TAiStateChanges CAiEnvironmentChangeObserver::Status()
+    {
+    // No statuses to report
+    return ESMAIUnknownState;
+    }
+
+TInt CAiEnvironmentChangeObserver::EnvironmentChangeCallBack(TAny* aPtr)
+    {
+    CAiEnvironmentChangeObserver* self =
+            static_cast<CAiEnvironmentChangeObserver*>( aPtr );
+            
+    __ASSERT_DEBUG( self, 
+                    AiFwPanic::Panic( AiFwPanic::EAiFwPanic_NullPointerReference ) );
+                    
+    const TInt changes( self->iEnvironmentChangeNotifier->Change() );
+
+    // report environment changes
+    if( changes & EChangesMidnightCrossover )
+        {
+        __PRINTS("XAI: Event: Midnight crossover");
+        self->iStateManager->ReportStateChange( ESMAIMidnightCrossover );
+        }
+    if( changes & EChangesSystemTime )
+        {
+        __PRINTS("XAI: Event: Time changed");
+        self->iStateManager->ReportStateChange( ESMAITimeChanged );
+        }
+    if( changes & EChangesLocale )
+        {
+        __PRINTS("XAI: Event: Locale setting changed");
+        self->iStateManager->ReportStateChange( ESMAILocaleChanged );
+        }
+
+    return EFalse;
+    }
+