diff -r 5f0182e07bfb -r 5456b4e8b3a8 taskswitcher/taskswitcherui/taskswitcherapp/src/tsphysicsengine.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/taskswitcherui/taskswitcherapp/src/tsphysicsengine.cpp	Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,158 @@
+/*
+* Copyright (c) 2009 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:  Taskswitcher physics
+ *
+*/
+
+#include <aknphysics.h>
+
+#include "tsphysicsengine.h"
+#include "tsphysics.h"
+
+// -----------------------------------------------------------------------------
+// CTsPhysicsHandler::CTsPhysicsHandler
+// -----------------------------------------------------------------------------
+//
+CTsPhysicsEngine::CTsPhysicsEngine()
+    {
+    // No implementation required
+    }
+
+// -----------------------------------------------------------------------------
+// CTsPhysicsEngine::~CTsPhysicsEngine
+// -----------------------------------------------------------------------------
+//
+CTsPhysicsEngine::~CTsPhysicsEngine()
+    {
+    delete iTaskswitcherPhysics;
+    delete iPhysics;
+    }
+
+// -----------------------------------------------------------------------------
+// CTsPhysicsEngine::NewLC
+// -----------------------------------------------------------------------------
+//
+CTsPhysicsEngine* CTsPhysicsEngine::NewLC(
+        MAknPhysicsObserver& aPhysicObserver, CCoeControl& aViewControl)
+    {
+    CTsPhysicsEngine* self = new (ELeave) CTsPhysicsEngine();
+    CleanupStack::PushL(self);
+    self->ConstructL(aPhysicObserver, aViewControl);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CTsPhysicsEngine::NewL
+// -----------------------------------------------------------------------------
+//
+CTsPhysicsEngine* CTsPhysicsEngine::NewL(
+        MAknPhysicsObserver& aPhysicObserver, CCoeControl& aViewControl)
+    {
+    CTsPhysicsEngine* self = CTsPhysicsEngine::NewLC(
+            aPhysicObserver, aViewControl);
+    CleanupStack::Pop(); // self;
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CTsPhysicsEngine::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CTsPhysicsEngine::ConstructL(MAknPhysicsObserver& aPhysicObserver,
+        CCoeControl& aViewControl)
+    {
+    iPhysics = CAknPhysics::NewL(aPhysicObserver, &aViewControl);//TODO:
+    iTaskswitcherPhysics = CTsPhysics::NewL(aPhysicObserver);
+    }
+
+
+// -----------------------------------------------------------------------------
+// CTsPhysicsEngine::IsRunning
+// -----------------------------------------------------------------------------
+//
+TBool CTsPhysicsEngine::IsRunning() const
+    {
+    return iPhysics->OngoingPhysicsAction() != CAknPhysics::EAknPhysicsActionNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CTsPhysicsEngine::HandleDragEvent
+// -----------------------------------------------------------------------------
+//
+void CTsPhysicsEngine::HandleDragEvent(
+        AknTouchGestureFw::MAknTouchGestureFwDragEvent& aEvent)
+    {
+    if (AknTouchGestureFw::EAknTouchGestureFwStart == aEvent.State())
+        {
+        iPhysics->StopPhysics();
+        iStartTime.HomeTime();
+        iStartPosition = aEvent.CurrentPosition();
+        iDragDirection = 0;
+        }
+    else if (AknTouchGestureFw::EAknTouchGestureFwOn == aEvent.State())
+        {
+        TInt direction =
+                aEvent.CurrentPosition().iX > aEvent.PreviousPosition().iX ? -1 : 1;
+        TPoint deltaPoint(aEvent.PreviousPosition() - aEvent.CurrentPosition());
+        iPhysics->RegisterPanningPosition(deltaPoint);
+        if (iDragDirection && iDragDirection != direction)
+            {
+            iStartTime.HomeTime();
+            iStartPosition = aEvent.PreviousPosition();
+            }
+        iDragDirection = direction;
+        }
+    else //AknTouchGestureFw::EAknTouchGestureFwStop
+        {
+        TPoint drag(iStartPosition - aEvent.CurrentPosition());
+        iPhysics->StartPhysics(drag, iStartTime);
+        if( Abs(drag.iX) < iPhysics->DragThreshold() &&
+            (TInt)CAknPhysics::EAknPhysicsActionBouncing != 
+            iPhysics->OngoingPhysicsAction() )
+            {
+            iPhysics->StopPhysics();
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CTsPhysicsEngine::Stop
+// -----------------------------------------------------------------------------
+//
+void CTsPhysicsEngine::Stop()
+    {
+    iPhysics->StopPhysics();
+    iTaskswitcherPhysics->StopPhysics();
+    }
+
+// -----------------------------------------------------------------------------
+// CTsPhysicsEngine::AnimateToTargetL
+// -----------------------------------------------------------------------------
+//
+void CTsPhysicsEngine::AnimateToTarget(const TPoint& aPoint)
+    {
+    iTaskswitcherPhysics->StartPhysics(aPoint);
+    }
+
+// -----------------------------------------------------------------------------
+// CTsPhysicsEngine::ReInitPhysicsL
+// -----------------------------------------------------------------------------
+//
+void CTsPhysicsEngine::ReInitPhysicsL(const TSize& aWorldSize,
+        const TSize& aViewSize, TBool aLandscape)
+    {
+    iPhysics->InitPhysicsL(aWorldSize, aViewSize, aLandscape);
+    }
+
+//End file