// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This material, including documentation and any related

// computer programs, is protected by copyright controlled by

// Nokia. All rights are reserved. Copying, including

// reproducing, storing, adapting or translating, any

// or all of this material requires the prior written consent of

// Nokia. This material also contains confidential

// information which may not be disclosed to others without the

// prior written consent of Nokia.

//

// Description:

// Render Orientation Tracking and Publication

// 

#ifndef renderorientationtracker_h

#define renderorientationtracker_h

#include <e32std.h>

#include <e32base.h>

#include <e32property.h>

#include <w32std.h>

#include <wspublishandsubscribedata.h>

// Values for the device orientation that we receive via P&S from the Theme Server

// Todo FIX THIS Category UID!!!

const TUid  KThemeOrientationCategory   = {0x20022E82}; // == KHbPsHardwareCoarseOrientationCategoryUid 

const TUint KThemeOrientationKey        = 0x4F726965; // == KHbPsHardwareCoarseOrientationKey 

typedef TRenderOrientation TRenderOrientationTrackingType; 

class CWsWindowGroup;

class CWsRenderOrienationTracker : public CActive

    {

public:  

    static CWsRenderOrienationTracker* NewL();

    ~CWsRenderOrienationTracker();

    void CheckRenderOrientation();

private:   

    CWsRenderOrienationTracker();

    void ConstructL();

    void RequestDeviceOrientationNotification();

    void CancelDeviceOrientationNotification();

    // CActive

    void RunL();

    void DoCancel();

    TInt DoOrientationTracking();

    TInt GetThemeOrientation(TRenderOrientation& aThemeOrientation);

    TInt PublishOrientation(const TRenderOrientation aRenderOrientation);

    TInt DoPublishOrientation(const TRenderOrientation aRenderOrientation);

    TInt GetIndicatedOrientation(TRenderOrientationTrackingType& aOrientationTrackingType);

    TInt CheckWindowGroupOrientation(const CWsWindowGroup& aWinGroup, TRenderOrientationTrackingType& aOrientationTrackingType);

    TBool UseableGroupWindow(const CWsWindowGroup& aWinGroup) const;

    TInt GetFocusWindowOrientation(TRenderOrientationTrackingType& aOrientationTrackingType);

    TInt FindOrientationFromWindowTree(TRenderOrientationTrackingType& aOrientationTrackingType);    

    void SetHALOrientation(const TRenderOrientation aRenderOrientation);

private:    

    TRenderOrientationTrackingType  iRenderOrientationTrackingType;    

    TRenderOrientation              iPublishedRenderOrientation;

    RProperty                       iThemeOrientationProperty;

    RProperty                       iRenderOrientationPublisher;

    };

#endif