/*
* 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:
*
*/
#ifndef __CBACKSTEPPING_H
#define __CBACKSTEPPING_H
#include <w32std.h>
#include <tswindowgroupsobserver.h>
class CTsBacksteppingFilter;
NONSHARABLE_CLASS(CTsBackstepping) : public CTsWindowGroupsObserver
{
public:
static CTsBackstepping* NewL( MTsWindowGroupsMonitor& );
static CTsBackstepping* NewLC( MTsWindowGroupsMonitor& );
virtual ~CTsBackstepping();
private:
CTsBackstepping( MTsWindowGroupsMonitor& );
void ConstructL();
void HandleWindowGroupChanged(
MTsResourceManager&,
const TArray<RWsSession::TWindowGroupChainInfo>& );
void HandleWindowGroupChangedL(
MTsResourceManager&,
const TArray<RWsSession::TWindowGroupChainInfo>& );
TInt HomescreenOffsetL(
MTsResourceManager&,
const TArray<RWsSession::TWindowGroupChainInfo>& )const;
TInt ParentOffsetL( TInt,
const TArray<RWsSession::TWindowGroupChainInfo>& )const;
inline TBool IsEmbededApp( const RWsSession::TWindowGroupChainInfo& ) const;
TUid GetUidFromWindowGroupL(MTsResourceManager &aResources, TInt aWindowGroupId) const;
private:
CTsBacksteppingFilter *iFilter;
};
#endif // __CBACKSTEPPING_H