--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/src/fsfadeeffect.cpp	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,231 @@
+/*
+* Copyright (c) 2007 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:  Fade effect implementation.
+*
+*/
+
+
+
+//////SYSTEM INCLUDES
+
+//////TOOLKIT INCLUDES
+// <cmail> SF
+#include "emailtrace.h"
+#include <alf/alfvisual.h>
+#include <alf/alftimedvalue.h>
+#include <alf/alflayout.h>
+#include <alf/alfenv.h>
+#include <alf/alfcommand.h>
+#include <alf/alfcontrol.h>
+#include <alf/alfevent.h>
+// </cmail>
+
+//////PROJECT INCLUDES
+//<cmail> removed __FS_ALFRED_SUPPORT flag
+//#include <fsconfig.h>
+//</cmail> removed __FS_ALFRED_SUPPORT flag
+#include "fsfadeeffect.h"
+//<cmail>
+#include "fsfadeeffectobserver.h"
+//</cmail>
+
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CFsFadeEffect* CFsFadeEffect::NewL(CAlfControl* aControl,CAlfVisual* aRoot, TInt aTime)
+    {
+    FUNC_LOG;
+    CFsFadeEffect* self = new (ELeave) CFsFadeEffect(aControl, aRoot, aTime);
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//    
+CFsFadeEffect* CFsFadeEffect::NewL(
+    CAlfControl* aControl,
+    MFsFadeEffectObserver* aObserver, 
+    CAlfVisual* aRoot, 
+    TInt aTime)
+    {
+    FUNC_LOG;
+    CFsFadeEffect* self = new (ELeave) CFsFadeEffect(aControl, aObserver, aRoot, aTime);    
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Constructor.
+// ---------------------------------------------------------------------------
+//    
+CFsFadeEffect::CFsFadeEffect(CAlfControl* aControl,CAlfVisual* aRoot, TInt aTime)
+    : iControl( aControl ), 
+      iRoot(aRoot), 
+      iTime(aTime)
+    {
+    FUNC_LOG;
+    //No implementation nedeed
+    }
+
+// ---------------------------------------------------------------------------
+// Constructor.
+// ---------------------------------------------------------------------------
+//
+CFsFadeEffect::CFsFadeEffect(
+    CAlfControl* aControl,
+    MFsFadeEffectObserver* aObserver, 
+    CAlfVisual* aRoot, TInt aTime)
+    : iControl( aControl ),
+      iRoot(aRoot),
+      iObserver(aObserver), 
+      iTime(aTime)
+    {
+    FUNC_LOG;
+    //No implementation nedeed
+    }
+
+// ---------------------------------------------------------------------------
+// Launches fade in effect.
+// ---------------------------------------------------------------------------
+//    
+void CFsFadeEffect::FadeIn()
+    {
+    FUNC_LOG;
+    TAlfTimedValue opacity;
+    opacity.SetValueNow( 0 );
+    iRoot->SetOpacity( opacity );
+    
+    opacity.SetTarget( 1.0f, iTime );    
+    iRoot->SetOpacity(opacity); 
+    
+    if (iObserver)
+        {
+        iObserver->FadeEffectEvent(MFsFadeEffectObserver::EFadingIn);
+        }
+    //cancel pending events
+    if ( iControl )
+        {
+        iControl->Env().CancelCustomCommands(this);
+
+        //send a command to inform about an end of fade out effect
+        TInt error = iControl->Env().Send(TAlfCustomEventCommand(ECustomEventFadeInFinished, this), iTime);
+        if (error != KErrNone)
+            {
+            
+            }
+        }
+    }
+    
+
+// ---------------------------------------------------------------------------
+// Launches fade out effect.
+// ---------------------------------------------------------------------------
+//        
+void CFsFadeEffect::FadeOut()
+    {
+    FUNC_LOG;
+    TAlfTimedValue opacity;
+    opacity.SetTarget( 0.0f, iTime ); 
+    iRoot->SetOpacity(opacity);
+    
+    if (iObserver)
+        {
+        iObserver->FadeEffectEvent(MFsFadeEffectObserver::EFadingOut);
+        }
+    
+    //cancel pending events
+    if ( iControl )
+        {
+        iControl->Env().CancelCustomCommands(this);
+
+        //send a command to inform about an end of fade out effect
+        TInt error = iControl->Env().Send(TAlfCustomEventCommand(ECustomEventFadeOutFinished, this), iTime);
+        if (error != KErrNone)
+            {
+            
+            }
+        }
+    }
+
+    
+// ---------------------------------------------------------------------------
+// Sets speed of fade in/out effect.
+// ---------------------------------------------------------------------------
+//        
+void CFsFadeEffect::SetTime( const TInt aTime)
+    {
+    FUNC_LOG;
+    iTime = aTime;
+    }
+    
+
+// ---------------------------------------------------------------------------
+// Returns speed of fade in/out effect.
+// ---------------------------------------------------------------------------
+//    
+TInt CFsFadeEffect::Time() const
+    {
+    FUNC_LOG;
+    return iTime;    
+    }
+
+
+// ---------------------------------------------------------------------------
+// From MAlfEventHandler
+// Called when an input event is being offered to this object.
+// ---------------------------------------------------------------------------
+//
+TBool CFsFadeEffect::OfferEventL(const TAlfEvent& aEvent)
+    {
+    FUNC_LOG;
+    TBool result(EFalse);
+    if( aEvent.IsCustomEvent() )
+        {
+        if ( aEvent.CustomParameter() == ECustomEventFadeInFinished )
+            {
+            result = ETrue;
+            //inform observer
+            if ( iObserver )
+                {
+                iObserver->FadeEffectEvent(MFsFadeEffectObserver::EFadeInFinished);
+                }
+            }
+        else if ( aEvent.CustomParameter() == ECustomEventFadeOutFinished )
+            {
+            result = ETrue;
+            //inform observer
+            if ( iObserver )
+                {
+                iObserver->FadeEffectEvent(MFsFadeEffectObserver::EFadeOutFinished);
+                }
+            }
+        }
+    else
+        {
+        result = EFalse;
+        }
+    
+    return result;
+    }
+
+
+//End Of File
+