diff -r 000000000000 -r 7f656887cf89 commands/fed/src/screenmngr.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commands/fed/src/screenmngr.cpp	Wed Jun 23 15:52:26 2010 +0100
@@ -0,0 +1,97 @@
+// screenmngr.cpp
+// 
+// Copyright (c) 2009 - 2010 Accenture. All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the "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:
+// Accenture - Initial contribution
+//
+
+#include <e32base.h>
+
+#include "screenmngr.h"
+#include "viewbase.h"
+
+const TInt KCmdWndMinHeight = 3;
+const TInt KCmdWndMinWidth = 20;
+const TInt KRM = 1000; //const multiplication to avoid inexact calculations on small numbers
+
+void CScreenManager::ResizeScreenL(const TWindow& aWindow)
+	{
+	if(aWindow.iHeight < KCmdWndMinHeight
+		|| aWindow.iWidth < KCmdWndMinWidth)
+		User::Leave(KErrNotSupported);
+
+	if(aWindow == iScreenWnd)
+		return;
+
+	//We need to leave one char on each side for the border around the console window, so the width/height is actually less by 2
+	iMainWnd.iX = iCmdWnd.iX = aWindow.iX;
+	iMainWnd.iWidth = iCmdWnd.iWidth = aWindow.iWidth + KConsoleWidthCorrection;
+	iMainWnd.iY = aWindow.iY;
+
+	//Based on proportions of windows on the old screen calculate proportions on the new screen
+	TInt newcmdh = 1;
+	if(iScreenWnd.iHeight)
+		{
+		newcmdh = ((iCmdWnd.iHeight*KRM) * (aWindow.iHeight*KRM)) / iScreenWnd.iHeight*KRM*KRM;
+		if(newcmdh >= aWindow.iHeight)
+			newcmdh = aWindow.iHeight/2;
+		}
+	iCmdWnd.iHeight = newcmdh > 0 ? newcmdh : 1;
+	iMainWnd.iHeight = aWindow.iHeight - iCmdWnd.iHeight + KConsoleWidthCorrection;
+	iCmdWnd.iY = aWindow.iY + iMainWnd.iHeight;
+	iScreenWnd = aWindow;
+
+	if(iCurrentView)
+		iCurrentView->ResizeL(iMainWnd);
+	}
+
+const TWindow& CScreenManager::ResizeCommandWindowL(TInt aHeight)
+	{
+	if(aHeight == iCmdWnd.iHeight)
+		return iCmdWnd;
+
+	//resize the main and cmd windows
+	if(aHeight > iScreenWnd.iHeight)
+		aHeight = iScreenWnd.iHeight;
+
+	iCmdWnd.iHeight = aHeight;
+	iMainWnd.iHeight = iScreenWnd.iHeight - iCmdWnd.iHeight;
+	iCmdWnd.iY = iScreenWnd.iY + iMainWnd.iHeight;
+
+	if(iCurrentView)
+		iCurrentView->ResizeL(iMainWnd);
+
+	return iCmdWnd;
+	}
+
+void CScreenManager::AddViewL(MViewController& aView)
+	{
+	//Here create a new window if necessary
+	AttachViewL(aView);
+	}
+
+void CScreenManager::AttachViewL(MViewController& aView)
+	{
+	if(iCurrentView)
+		{
+		iCurrentView->DeactivateL();
+		}
+
+	iCurrentView = &aView;
+	iCurrentView->RedrawL(iMainWnd);
+	}
+
+void CScreenManager::UnsetCurrentView()
+	{
+	iCurrentView = NULL;
+	}
+
+void CScreenManager::RefreshScreenL()
+	{
+	if (iCurrentView) iCurrentView->RedrawL(iMainWnd);
+	}