/*

* Copyright (c) 2005-2008 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:  Skin server settings.

*

*/

#ifndef AKNSSRVSETTINGS_H

#define AKNSSRVSETTINGS_H

// INCLUDES

#include <e32base.h>

#include <babackup.h>

#include <f32file.h>

#include <AknsPkgID.h>

#include <e32property.h>

#include <cenrepnotifyhandler.h>

#include "AknsDriveMaster.h"

#include "aknssrvwallpapertimer.h"

// TYPES

enum TAknsSrvSettingsProperty

    {

    EAknsSrvSPLayoutId              = 1,

    EAknsSrvSPActiveSkin            = 2,

    EAknsSrvSPIdleBackground        = 3,

    EAknsSrvSPPinboardBackground    = 4,

    EAknsSrvSPDRMHelperNotification = 5,

    EAknsSrcSpLayoutSwitch          = 6,

    EAknsSrvSPUSBAttached           = 7,

    EAknsSrvSPWallpaperType         = 8,

    EAknsSrvSPSlidesetWPTimeout     = 9,

    EAknsSrvSPSlidesetWPType        = 10,

    EAknsSrvSPTransitionFx          = 11,

    EAknsSrvSPScreensaverActivation = 12,

    EAknsSrvSPAnimBackground        = 13

    };

// FORWARD DECLARATIONS

class CRepository;

class CAknsPropertySubscriber;

class CAknsRepositoryWatcher;

class CAknsSrvDriveMaster;

// CLASS DECLARATIONS

class MAknsSrvSettingObserver

    {

    public:

        virtual void NotifyBackupOperationEnd() =0;

        virtual void NotifyLayoutChange(TBool aClearScalable = EFalse) =0;

        virtual void NofifySkinChange() =0;

        virtual void NotifyIdleBackgroundChange() =0;

        virtual void NotifyDRMChange() =0;

        virtual void NotifyUSBAttach() = 0;

        virtual void NotifyUSBRemoval() = 0;

        virtual void NotifySlideSetTimeoutChange() = 0;

        virtual void NotifySlideSetTypeChange() = 0;

        virtual void NotifyWallpaperTypeChange() = 0;

        // Observer interface for screensaver state changes.

        virtual void NotifyScreenSaverChange() = 0;

        virtual void NotifyTransitionFxChange() = 0;

        virtual void NotifyDriveChange( const TInt& aDrive, const TBool& aMediaNotPresent ) =0;

        virtual void NotifyBackupOperationBegin() =0;

        virtual void NotifyAnimBackgroundChange() = 0;

    };

NONSHARABLE_CLASS(CAknsSrvSettings) : public CBase,

    public MBackupOperationObserver,

    public MAknsSrvDriveObserver

    {

    public:

        virtual ~CAknsSrvSettings();

        static CAknsSrvSettings* NewL(

            MAknsSrvSettingObserver* aObserver,

            RFs& aFileSystemSession );

    public: // CenRep callbacks

        static TInt LayoutCallBack(TAny* aPtr);

        static TInt SkinsRepositoryCallBack(TAny* aPtr);

        static TInt DRMRepositoryCallBack(TAny* aPtr);

        static TInt LayoutSwitchCallBack(TAny* aPtr);

        static TInt USBCallBack(TAny* aPtr);

        static TInt ThemesRepositoryCallBack(TAny* aPtr);

        // Callback for screensaver state changes.

        static TInt SSCallBack( TAny* aPtr );

    public: // From MBackupOperationObserver

        void HandleBackupOperationEventL(

            const TBackupOperationAttributes& aBackupOperationAttributes);

    public: //From MAknsSrvDriveObserver

        void NotifyDriveStatusChange(  const TInt& aDrive, const TBool& aMediaNotPresent  );

    public: // New methods

        void InstallAdditionalWatchersL();

        void SetCachedSkinPID( const TAknsPkgID aPid );

        TBool CachedAHMirroringActive();

        TAknsPkgID CachedSkinPID();

        TBool CachedBackupOperationInProgress();

        TBool HighlightAnimEnabled() const;

        void WriteAllToDefault(TBool aExcludeWP);

        void WriteSkinToDefault();

        void WriteIdleBackgroundToDefault();

        void WriteSkinSettings(const TAknsPkgID aPid, TBool aMMC);

        TInt ReadAHMirroringActive();

        TInt ReadActiveSkinPID();

        TInt ReadIdleBackgroundFile( TPath& aPath );

        TInt ReadDRMHelperServerNotification( TDes& aString );

        void ReadHighlightAnimEnabled();

        /**

        * Returns default skin PID.

        * @return default skin PID.

        *

        * @since 3.1

        */

        TAknsPkgID DefaultSkinPID();

        //

        TInt SlideSetWPTimeout();

        //

        TInt WallpaperType();

        //

        TInt SlideSetWPType();

        // Starts to listen for screensaver changes in PS.

        void StartScreenSaverListen();

        // Stops to listen for screensaver changes in PS.

        void StopScreenSaverListen();

        // Return screensaver state as defined in the PS key.

        TInt ScreensaverState() const;

        TInt TransitionFxState();

		// Get Animation Background state.

        TInt AnimBackgroundState();

		// Set Animation Background state.

        void SetAnimBackgroundState( TInt aValue );

        // Get a reference to drive master.

        CAknsSrvDriveMaster* GetDriveMaster();

    protected: // New methods

        void HandlePropertyChange( const TAknsSrvSettingsProperty aProperty );

    private:

        /**

        * Reads default skin ID from repository and sets it to iDefaultSkinPID.

        */

        void ReadDefaultSkinID();

        /**

        * Called when wallpaper needs to advance in slideset and

        * device is idle.

        */

        static TInt DoHandleIdleTimeL( TAny* aAny );

        void HandleIdleTime();

    private: // Private constructors

        CAknsSrvSettings( MAknsSrvSettingObserver* aObserver, RFs& aFileSystemSession );

        void ConstructL();

    private: // Data

        MAknsSrvSettingObserver* iObserver;

        TBool iAHMirroringActive;

        TAknsPkgID iActiveSkinPID;

        TBool iBackupOperationInProgress;

        TBool iHighlightAnimEnabled;

        RProperty iEnableUSBWatchProperty;

        CAknsPropertySubscriber* iUSBWatchSubscriber;

        CRepository* iAvkonRepository;

        CAknsRepositoryWatcher* iAvkonRepositoryWatcher;

        CRepository* iSkinsRepository;

        CAknsRepositoryWatcher* iSkinsRepositoryWatcher;

        CRepository* iDRMRepository;

        CAknsRepositoryWatcher* iDRMRepositoryWatcher;

        CRepository* iThemesRepository;

        CAknsRepositoryWatcher* iThemesRepositoryWatcher;

        /**

        * Set to ETrue if screensaver is active and wallpaper notification

        * is needed to be broadcast.

        */

        TBool iDelayedNotification;

        /**

        * Previous value of screensaver. Value zero means off.

        */

        TInt iPreviousScreenSaverValue;

        /**

        * Property access variable for screensaver.

        */

        RProperty iScreensaverActivationProperty;

        /**

        * Listener for screensaver state in PS.

        * Own.

        */

        CAknsPropertySubscriber* iScreensaverActivationSubscriber;

        /**

        * Default skin PID. Skin PID is set only once and cannot be changed.

        */

        TAknsPkgID iDefaultSkinPID;

        /* Handles drive information.

        *  Own.

        */

        CAknsSrvDriveMaster* iDriveMaster;

        /**

        * Own RFs session.

        */

        RFs iFsSession;

        /**

        * This CIdle is used to change the wallpaper image in slideset,

        * when device is idle, in order to avoid CPU load in critical phase.

        *

        * Own.

        */

        CIdle* iIdleTime;

    };

#endif // AKNSSRVSETTINGS_H

// End of File