diff -r 4ea6f81c838a -r 0e9bb658ef58 widgetmodel/alfwidgetmodel/src/alfflowlayoutmanager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgetmodel/alfwidgetmodel/src/alfflowlayoutmanager.cpp	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,128 @@
+/*
+* 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:  flowlayoutmanager implementation
+*
+*/
+
+
+#include <alf/alfexceptions.h>
+#include <alf/alfwidgetcontrol.h>
+#include <alf/alfflowlayoutmanager.h>
+#include <osn/ustring.h>
+#include <osn/osnnew.h>
+
+#include "alfflowlayoutpolicyimpl.h"
+#include "alfflowlayoutpreferencesimpl.h"
+
+using osncore::UString;
+
+using namespace Alf;
+
+namespace Alf
+    {
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// layout manager constructor
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT AlfFlowLayoutManager::AlfFlowLayoutManager() 
+    : AlfLayoutManager(EAlfLayoutTypeFlow)
+    {
+    mData.reset(new (EMM) AlfFlowLayoutPolicyImpl(*this));
+    mPrefImpl.reset(new (EMM) AlfFlowLayoutPreferencesImpl(*this));
+    }
+        
+// ---------------------------------------------------------------------------
+// virtual destructor
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT AlfFlowLayoutManager::~AlfFlowLayoutManager()
+    {
+    }
+    
+// ---------------------------------------------------------------------------
+// from AlfLayoutManager
+// notifies the layout manager, that the child control's layout
+// must be updated.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT void AlfFlowLayoutManager::updateChildLayout(
+    CAlfWidgetControl* aControl)
+    {
+    CAlfLayout& layout = getLayout();
+    doUpdateChildLayout(aControl);
+    layout.UpdateChildrenLayout();
+
+    //doUpdateChildLayout changes the visual size and position.
+    //need to notify the widget that size and position has changed. 
+    //for aControl both the size and position might have changes.
+    //Only the position changes for all the controls after aControl. 
+    
+    //set the size and postion for aControl
+    TAlfRealRect rect;
+    if (controlRect(*aControl, rect)) //returns the real rect (of the root visual)
+        {
+        setControlRect(*aControl, rect);
+        }
+    
+    //update the position for controls after aControl in layout.
+    const int childrenCount = count();
+    bool childControlFound = false;
+    
+    for (int i = 0; i < childrenCount; i++)
+        {
+        CAlfWidgetControl* child = getControl(i);
+        
+        if (childControlFound && controlRect(*child, rect))
+            {
+            setControlPosition(*child, rect.iTl);
+            }
+        else if (child == aControl)
+            {
+            childControlFound = true;
+            }
+        }
+    
+    // Inform parent layout manager about the changed presentation size
+    owner().updateParentLayout();
+    }
+
+// ---------------------------------------------------------------------------
+// From class IAlfInterfaceBase.
+// Getter for interfaces provided by the element.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT IAlfInterfaceBase* AlfFlowLayoutManager::makeInterface( 
+    const IfId& aType )
+    {
+    UString param(aType.mImplementationId);
+    IAlfInterfaceBase* ret = 0;
+    
+    ret = mData->makeInterface(aType);
+    if (!ret)
+        {
+        ret = mPrefImpl->makeInterface(aType);
+        }
+    if (!ret)
+        {
+        ret = AlfLayoutManager::makeInterface(aType);
+        }
+        
+    return ret;
+    }
+    
+    } // Alf
+