/*

* Copyright (c) 2002-2007 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:  System Graphics Coordination Server.

*

*/

#ifndef EIKSGCS_H

#define EIKSGCS_H

#include <e32base.h>

#include <eikdef.h>

#include <w32std.h>

#include <babitflags.h>

#include <AknSgcc.h>

#include <ecompluginnotifier.h>

class CEikServStatusPane;

class CLayoutChangeCallBack;

class CAknCapAppServerAppUi;

class CWindowChangeMonitor;

class CAknCompaIf;

class CEikSgcServer : public CBase

    {

public:

    static CEikSgcServer* NewL();

    ~CEikSgcServer();

    void SetStatusPane(CEikServStatusPane* aSp);

    void SetAknCapAppServerAppUi(CAknCapAppServerAppUi* aAknCapAppServerAppUi);

    void HandleWindowGroupListChangeL();

    void HandleWindowGroupParamChangeL(

        TInt aWgId, 

        TBitFlags aAppFlags, 

        TInt aSpLayout, 

        TInt aSpFlags, 

        TInt aAppScreenMode);

    void PrepareForAppExitL(TInt aWgId);

    void HandleLayoutChangeCallBackL();

    void RelinquishPriorityToForegroundAppL(const RMessage2& aMessage);

    void RotateScreenL();

    void UpdateNotificationsInIdleAllowedKey();

	void FadeBitmapGenerationL();   

	void FadeColorGenerationL(); 

	void MoveAppL(TInt aAppWindowGroupId, TSgcMoveAppToWhere aWhere);

    static TInt LayoutInstallationCallBack(TAny* aPtr);

private:

    class TWgState

        {

    public:

        TWgState();

        TWgState(TInt aWgId);

        inline TInt WgId() const;

        inline void SetWgId(TInt aWgId);

        inline TInt SpLayout() const;

        inline void SetSpLayout(TInt aSpLayout);

        inline TInt SpFlags() const;

        inline void SetSpFlags(TInt aSpFlags);

        inline TBool IsFullScreen() const;

        inline void SetFullScreen(TBool aFullScreen);

        inline TBool IsPartialForeground() const;

        inline void SetPartialForeground(TBool aPartialForeground);

        inline TBool UnderstandsPartialForeground() const;

        inline void SetUnderstandsPartialForeground(TBool aPartialForeground);

        inline TBool IsLegacyLayout() const;

        inline void SetLegacyLayout(TBool aLegacyLayout);

        inline TBool IsOrientationSpecified() const;

        inline void SetOrientationSpecified(TBool aOrientationSpecified);

        inline TBool IsOrientationLandscape() const;

        inline void SetOrientationLandscape(TBool aOrientationLandscape);

        inline TInt AppScreenMode() const;

        inline void SetAppScreenMode(TInt aAppScreenMode);

    private:

        TInt iWgId;

        TBitFlags iFlags;

        TInt iSpLayout;

        TInt iSpFlags;

        TInt iAppScreenMode;

        };

    typedef CArrayFixFlat<TWgState> CWgStates;

    typedef CArrayFixFlat<TInt> CWgIds;

    enum TConstants { KStartAtTheTop = -1 };

private:

    CEikSgcServer();

    void ConstructL();

    TInt WgStateIndex(TInt aWgId) const;

    CWgIds* CreateWgIdListLC() const;

    void ReOrderWgStatesL(CWgIds* aWgIds);

    void SetStatusPaneShapeAndFlagsL(TInt aSpIndex);

    void SetPartialForegroundStatusesL();

    void PostChangeRecalcL();

    TWgState& GetWgStateL(TInt aWgId);

    TBool TestWgListOrderOk(CWgIds* aWgIds) const;

    TInt FocusWgIndex() const;

    void SetWgPartialFg(TWgState& aWgState);

    void ClearWgPartialFg(TWgState& aWgState);

    TInt TopSpIndex(TInt aAfter = KStartAtTheTop) const;

    void SetLayoutL(TInt aSpIndex);

    static TInt RemoveBlankCallBack(TAny* aThis);

    void DoRemoveBlank();

    static TInt CEikSgcServer::RestoreThreadPriorities(TAny* aThis);

    void DoRestoreThreadPriorities();

    void ActivateEffectL();

    void SetLayoutBlankScreenL(TBool aBlank, TInt aStep);

    void SetLayoutBlankScreenL(TBool aBlank, TInt aStep, TInt aCnt);

    TBool IsGlobalNoteForeground();

    void DoMoveApp();

    TInt RefreshLayoutIfRequiredL();

    void UpdateIdleState();

    void DoChangeIdleState();

    static TInt ChangeIdleStateCallBack(TAny* aThis);

    TInt  ForegroundWgId();

    TBool IsIdleForeground();

    void SetIdleState(TBool aFlag);

private:

    CWgStates* iWgStates;

    RWsSession& iWs;

    CEikServStatusPane* iSp;

    RWindowGroup* iSpWg;

    TInt iLayout;

    TInt iFlags;

    TInt iLastTopSpWg;

    TInt iLastScreenModeSet;

    CLayoutChangeCallBack* iLayoutChangeCallBack;

    CPeriodic* iChangeIdleState;

    struct SRelinquishedThread

        {

        RThread iThread;

        TThreadId iId;

        TProcessPriority iPriority;

        };

    typedef RArray<SRelinquishedThread> RRelinquishedThreadList;

    RRelinquishedThreadList iRelinquishedThreads;

    CPeriodic* iRelinquishedThreadCallBack;

    CAknCapAppServerAppUi* iAknCapAppServerAppUi;

    TInt iFirstFullScreenWg; // Not sure if iLastTopSpWg could be used directly.

    TInt iBlankCount;

    CPeriodic* iRemoveBlankCallBack;

    TInt iRemoveBlankCount;

private:

    CWindowChangeMonitor* iWinChange;

    TBool iNotificationsInIdleAllowed;

private:

    CFbsBitmap *iFadeBitmap;

    CFbsBitmap *iFadeMask;

    TInt iSetLayoutBlankStep;

   	TInt iMoveAppWdId;

	TSgcMoveAppToWhere iMoveAppWhere;

    // Touch compatibility mode interface and screen mode

	CAknCompaIf* iTouchCompaModeIf;

	TInt iTouchCompaScreenMode;

    CEComPluginNotifier* iLayoutNotifier; // Owned

    REComPluginInfoArray iPrevPluginInfo;

    };

#endif // EIKSGCS_H