/*
* 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 &resources, TInt windowGroupId) const;
private:
CTsBacksteppingFilter *mFilter;
};
#endif // __CBACKSTEPPING_H