diff -r 5f0182e07bfb -r 5456b4e8b3a8 idlehomescreen/widgetmanager/src/wmeffectmanager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/widgetmanager/src/wmeffectmanager.cpp	Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,211 @@
+/*
+* Copyright (c) 2008 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:  Effect manager.
+*
+*/
+
+
+// SYSTEM INCLUDE FILES
+#include <eikapp.h>
+#include <aknappui.h>
+#include <gfxtranseffect/gfxtranseffect.h>  // For transition effects
+#include <akntranseffect.h>                 // For transition effects
+#include <alf/alfcompositionutility.h>
+
+// INCLUDE FILES
+#include "wmeffectmanager.h"
+
+// CONSTANTS
+const TInt KEffectTypeFullscreen = 1;
+
+const TInt KWaitForLayout = 1;
+const TInt KEffectStarted = 2;
+
+const TInt KEffectWaitInterval( 250000 ); //250ms
+const TInt KWaitInterval( 25000 ); // 25ms
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// C++ default constructor.
+// -----------------------------------------------------------------------------
+//
+CWmEffectManager::CWmEffectManager( CCoeEnv& aCoeEnv ): iCoeEnv (aCoeEnv)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// Symbian 2nd phase constructor.
+// -----------------------------------------------------------------------------
+//
+void CWmEffectManager::ConstructL()
+    {
+    iObserver = CAlfEffectObserver::NewL(); 
+    }
+
+// -----------------------------------------------------------------------------
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CWmEffectManager* CWmEffectManager::NewL( CCoeEnv& aCoeEnv )
+    {
+    CWmEffectManager* self = new (ELeave) CWmEffectManager( aCoeEnv );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CWmEffectManager::~CWmEffectManager()
+    {
+    delete iObserver;
+    GfxTransEffect::AbortFullScreen();
+    iEffects.ResetAndDestroy();
+    }
+
+// -----------------------------------------------------------------------------
+// CWmEffectManager::BeginFullscreenEffectL
+// -----------------------------------------------------------------------------
+//
+void CWmEffectManager::BeginFullscreenEffectL( TInt aId )
+    {
+    TWmEffect* effect = new (ELeave) TWmEffect;
+    CleanupStack::PushL( effect );
+    effect->iId = aId;
+    effect->iType = KEffectTypeFullscreen;
+    effect->iState = KWaitForLayout;
+    iEffects.Append( effect );
+    
+    CleanupStack::Pop( effect );
+
+    if ( !DoBeginFullscreenEffect( *effect ) )
+        {
+        RemoveEffect( effect );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CWmEffectManager::UiRendered
+// -----------------------------------------------------------------------------
+//
+void CWmEffectManager::UiRendered()
+    {
+    for ( TInt i = 0; i < iEffects.Count(); )
+        {
+        TWmEffect* effect = iEffects[i];
+        if ( effect && effect->iState == KEffectStarted )
+            {
+            GfxTransEffect::EndFullScreen();
+            RemoveEffect( effect );
+            }
+        else
+            {
+            // RemoveEffect() will remove from iEffects array and
+            // thats why we need to have conter in else
+            i++;
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CWmEffectManager::DoBeginFullscreenEffect
+// -----------------------------------------------------------------------------
+//
+TBool CWmEffectManager::DoBeginFullscreenEffect( TWmEffect& aEffect )
+    {
+    if ( iCoeEnv.WsSession().GetFocusWindowGroup() != 
+         iCoeEnv.RootWin().Identifier() )
+        {
+        // Window group is not focused
+        RemoveEffect( &aEffect );
+        return EFalse;
+        }
+    
+    if ( !WaitActiveEffect( KEffectWaitInterval ) )
+        {
+        return EFalse;
+        }
+
+    const TInt flags( AknTransEffect::TParameter::EActivateExplicitCancel );
+    const TUid targetAppUid( iAvkonAppUi->Application()->AppDllUid() );
+
+    // Set effect begin point
+    GfxTransEffect::BeginFullScreen( aEffect.iId , iAvkonAppUi->ClientRect(),
+        AknTransEffect::EParameterType, AknTransEffect::GfxTransParam(
+        targetAppUid, flags ) );
+    
+    aEffect.iState = KEffectStarted;
+    
+    return ETrue;
+    }
+
+// -----------------------------------------------------------------------------
+// CWmEffectManager::WaitActiveEffect
+// -----------------------------------------------------------------------------
+//
+TBool CWmEffectManager::WaitActiveEffect( TInt aInterval )     
+    {
+    TBool retval( EFalse );
+    TInt loop( aInterval / KWaitInterval );
+    
+    while ( loop >= 0 )
+        {               
+        TInt count( iObserver->ActiveEffectsCount() );
+        
+        if ( count == 0 )
+            {
+            retval = ETrue;
+            break;                        
+            }
+        
+        User::After( KWaitInterval );
+        loop--;
+        }
+
+    return retval;    
+    }
+
+// -----------------------------------------------------------------------------
+// CXnEffectManager::RemoveEffect
+// -----------------------------------------------------------------------------
+//
+void CWmEffectManager::RemoveEffect( TWmEffect* aEffect )
+    {
+    TInt index = iEffects.Find( aEffect );
+    if ( index != KErrNotFound )
+        {
+        TWmEffect* temp = iEffects[index];
+        iEffects.Remove( index );
+        delete temp;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CXnEffectManager::IsEffectActive
+// -----------------------------------------------------------------------------
+//
+TBool CWmEffectManager::IsEffectActive()
+    {
+    TBool retVal( EFalse );
+    if ( iObserver->ActiveEffectsCount() )
+        retVal = ETrue;
+    return retVal;
+    }
+
+// End fo file
+