// 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