--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/idlefw/src/framework/aifocusobserver.cpp Thu Dec 17 08:54:17 2009 +0200
@@ -0,0 +1,157 @@
+/*
+* 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: Focus observer for Active idle 2
+*
+*/
+
+
+#include <aipspropertyobserver.h>
+#include <activeidle2domainpskeys.h>
+#include "aistatemanager.h"
+#include "aifocusobserver.h"
+#include "aifwpanic.h"
+#include "debug.h"
+
+CAiFocusObserver::CAiFocusObserver()
+ {
+ }
+
+CAiFocusObserver::~CAiFocusObserver()
+ {
+ }
+
+CAiFocusObserver* CAiFocusObserver::NewL(
+ MAiStateManager* aStateManager )
+ {
+ CAiFocusObserver* self = new (ELeave) CAiFocusObserver();
+ CleanupStack::PushL(self);
+ self->ConstructL( aStateManager );
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+void CAiFocusObserver::ConstructL( MAiStateManager* aStateManager )
+ {
+ //++HV
+ BaseConstructL( TCallBack( StaticHandleFocusChangeEvent, this ),
+ KPSUidAiInformation,
+ KActiveIdleState,
+ aStateManager );
+//--HV
+ }
+
+TAiStateChanges CAiFocusObserver::Status()
+ {
+ TInt value = 0;
+ TInt err = iObserver->Get( value );
+ if( ( value == EPSAiForeground ) &&
+ ( err == KErrNone ) )
+ {
+ return ESMAIIdleForeground;
+ }
+ else
+ {
+ return ESMAIIdleBackground;
+ }
+ }
+
+ //++HV
+
+ TInt CAiFocusObserver::StaticHandleFocusChangeEvent( TAny* aPtr )
+ {
+ CAiFocusObserver* self =
+ static_cast<CAiFocusObserver*>( aPtr );
+
+ __ASSERT_DEBUG( self,
+ AiFwPanic::Panic( AiFwPanic::EAiFwPanic_NullPointerReference ) );
+
+ return( self->HandleFocusChangeEvent() );
+ }
+
+
+TInt CAiFocusObserver::HandleFocusChangeEvent()
+ {
+ if( iTfxEffectActive )
+ {
+ return KErrNone;
+ }
+
+ TInt value = 0;
+ TInt err = iObserver->Get( value );
+
+ // Check the PS keys value and call manager with approriate parameter.
+ // Repowrt either "idle foreground" or "idle background"
+ if( ( value == EPSAiForeground ) &&
+ ( err == KErrNone ) )
+ {
+ // Check if the transition effect is active
+
+ // This has to be called first, otherwise the state might not be valid.
+ CAknTransitionUtils::AddObserver( this, CAknTransitionUtils::EEventWsBufferRedirection );
+
+ TInt redirState = 0;
+ CAknTransitionUtils::GetState( CAknTransitionUtils::EEventWsBufferRedirection, &redirState );
+ if ( (TBool)redirState )
+ {
+ // The effect is on-going. Prevent view refresh until the effect is finished.
+ iTfxEffectActive = ETrue;
+ }
+ else
+ {
+ // No effect on-going. Observer is not needed.
+ CAknTransitionUtils::RemoveObserver( this, CAknTransitionUtils::EEventWsBufferRedirection );
+ iStateManager->ReportStateChange( ESMAIIdleForeground );
+ }
+ }
+ else if( value == EPSAiBackground )
+ {
+ // Do not receive callbacks in background. Remove observer if it still exists.
+ CAknTransitionUtils::RemoveObserver( this, CAknTransitionUtils::EEventWsBufferRedirection );
+ iTfxEffectActive = EFalse;
+
+ iStateManager->ReportStateChange( ESMAIIdleBackground );
+ }
+
+ return KErrNone;
+ }
+
+
+TInt CAiFocusObserver::AknTransitionCallback( TInt aEvent, TInt aState, const TDesC8* /*aParams*/ )
+ {
+ if ( ( aEvent & CAknTransitionUtils::EEventWsBufferRedirection ) && ( !(TBool)aState ) )
+ {
+ // The effect has been finished
+ iTfxEffectActive = EFalse;
+ // Observer is not needed any more.
+ CAknTransitionUtils::RemoveObserver( this, CAknTransitionUtils::EEventWsBufferRedirection );
+
+ // Issue one focus change event
+ TInt value = 0;
+ TInt err = iObserver->Get( value );
+ if( ( value == EPSAiForeground ) &&
+ ( err == KErrNone ) )
+ {
+ iStateManager->ReportStateChange( ESMAIIdleForeground );
+ }
+ else if( value == EPSAiBackground )
+ {
+ iStateManager->ReportStateChange( ESMAIIdleBackground );
+ }
+ }
+
+ return 0;
+ }
+
+
+//--HV