idlefw/src/framework/aissaverstatusobserver.cpp
changeset 0 79c6a41cd166
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlefw/src/framework/aissaverstatusobserver.cpp	Thu Dec 17 08:54:17 2009 +0200
@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 2005-2005 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:  
+*
+*/
+
+
+#include <aipspropertyobserver.h>
+#include "aissaverstatusobserver.h"
+#include <screensaverinternalpskeys.h> // this include needs to be last
+#include "aifwpanic.h"
+#include "debug.h"
+
+CAiSSaverStatusObserver::CAiSSaverStatusObserver()
+    {
+    }
+    
+CAiSSaverStatusObserver::~CAiSSaverStatusObserver()
+    {
+    }
+
+CAiSSaverStatusObserver* CAiSSaverStatusObserver::NewL( MAiStateManager* aStateManager )
+    {
+    CAiSSaverStatusObserver* self = new (ELeave) CAiSSaverStatusObserver();
+    CleanupStack::PushL(self);
+    self->ConstructL( aStateManager );
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+void CAiSSaverStatusObserver::ConstructL( MAiStateManager* aStateManager )
+    {
+    BaseConstructL( TCallBack( HandleScreenSaverStateChanged, this ),
+                    KPSUidScreenSaver,
+                    KScreenSaverOn,
+		            aStateManager );
+    }
+    
+TAiStateChanges CAiSSaverStatusObserver::Status()
+    {
+    TInt value = 0;
+    Tint err = iObserver->Get( value );
+    if( ( value == 0 ) ||
+        ( err != KErrNone ) )
+    	{
+    	return ESMAIScreensaverInactive;
+    	}
+    else
+    	{
+    	return ESMAIScreensaverActive;
+    	} 
+    }
+
+TInt CAiSSaverStatusObserver::HandleScreenSaverStateChanged( TAny* aPtr )
+    {
+    CAiSSaverStatusObserver* self =
+                static_cast<CAiSSaverStatusObserver*>( aPtr );
+
+    __ASSERT_DEBUG( self, 
+                    AiFwPanic::Panic( AiFwPanic::EAiFwPanic_NullPointerReference ) );
+
+    TInt value = 0;
+    TInt err = self->iObserver->Get( value );
+	
+    if ( ( value == 0 ) ||
+         ( err != KErrNone ) )
+		{
+        // screensaver off
+        __PRINTS("XAI: Screen saver = OFF");
+        self->iStateManager->ReportStateChange( ESMAIScreensaverInactive );
+		}
+    else
+		{
+        // screensaver on
+        __PRINTS("XAI: Screen saver = ON");
+        self->iStateManager->ReportStateChange( ESMAIScreensaverActive );
+		}
+	
+    return KErrNone;
+    }
+