/*

* Copyright (c) 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:  Includes some common defines used in the OOD monitor app

*

*/

#ifndef LAFSHUT_H

#define LAFSHUT_H

// SYSTEM INCLUDES

// USER INCLUDES

// CONSTANTS

_LIT(KDriveZ, "z:");

_LIT(KOOMWatcherResourceFileName, "lafmemorywatcher.rsc");

const TInt KAlphaStartPoint = 65;

const TInt KBreatheTime = 5000000;

#ifdef _DEBUG

_LIT(KCriticalMode, "%c: CRITICAL");

_LIT(KWarningMode, "%c: WARNING");

_LIT(KNormalMode, "%c: Normal");

const TInt KMaxMsgSize = 256;

#endif // _DEBUG

// ---------------------------------------------------------

//

// ---------------------------------------------------------

//

NONSHARABLE_CLASS(CLafShutdownManager) : public CLafShutdownManagerBase

    {  // There are friends defined at end of this class definition.

public:

    static CLafShutdownManager* NewL(MShutdownEventObserver& aObserver);

    ~CLafShutdownManager();

private:

    // ======================================================================

    // Out of disk watcher

    // ======================================================================

    NONSHARABLE_CLASS(COutOfDiskWatcher) : public CActive // friend of CLafShutdownManager

        {

    public:

        static COutOfDiskWatcher* NewL(CLafShutdownManager& aLafShutdown,

                                       TInt64 aThreshold,

                                       TDriveNumber aDrive,

                                       RFs& aFs);

        ~COutOfDiskWatcher();

        void Start();

    private:

        COutOfDiskWatcher(CLafShutdownManager& aLafShutdown,

                          TInt64 aThreshold,

                          TDriveNumber aDrive,

                          RFs& aFs);

        void ConstructL();

    private: // from CActive

        void DoCancel();

        void RunL();

    private: // data

        RFs& iFs;

        CLafShutdownManager& iLafShutdown;

        TInt64 iThreshold;

        TDriveNumber iDrive;

        };

    NONSHARABLE_CLASS(CGlobalQueryActive) : public CBase

        {

        public:

            enum TMessageType{

                ENone          = -1,

                ECritical      =  0,

                EWarning       =  1,

                EWarningMMC    =  2,

                ECriticalMMC   =  3,

                ECallBack      =  4,

                EClearNotesC   = 10,

                EClearNotesMMC = 11

                };

        public:

            static CGlobalQueryActive* NewL(RResourceFile& aResFile, TResourceReader& aResReader);

            ~CGlobalQueryActive();

            void DisplayL(TMessageType aType, TBool aForcedNote);

        private:

            CGlobalQueryActive();

            void ConstructL(RResourceFile& aResFile, TResourceReader& aResReader);

            void CleanupL(TBool aCancel = ETrue);

        private:

            class CMessageInfo : public CBase

                {

                public:

                    CMessageInfo(HBufC* aMessage):

                        iMessage(aMessage), iNoteId(KErrNotFound){};

                    ~CMessageInfo() { delete iMessage; };

                public:

                    HBufC* iMessage;

                    TInt   iNoteId;

                };

        private:

            TMessageType    iMessageType;

            CMessageInfo*   iMessageInfo[4];

            CAknGlobalNote* iQuery;

        };

    // ======================================================================

    NONSHARABLE_CLASS(CSubscriber) : public CActive

        {

        public:

            CSubscriber(TCallBack aCallBack, RProperty& aProperty);

            ~CSubscriber();

        public: // New functions

            void SubscribeL();

            void StopSubscribe();

        private: // from CActive

            void RunL();

            void DoCancel();

        private:

            TCallBack   iCallBack;

            RProperty&  iProperty;

        };

private:

    CLafShutdownManager(MShutdownEventObserver& aObserver);

    void ConstructL();

    void ReportEventL(MSaveObserver::TSaveType aAction,TBool aPowerOff);

    void GetShutdownState(TBool& aPowerOff, TBool& aAllSessionsHavePendingRequest);

    void FreeDiskThresholdCrossedL(TDriveNumber aDrive, TBool aIsCallBack = EFalse, TBool aForcedNote = EFalse);

    void ShowGlobalQueryL(const CGlobalQueryActive::TMessageType& aMessageType, TBool aForcedNote);

    TInt GetDiskStatusL(TVolumeInfo& aVolInfo,TDriveNumber aDrive);

    static TInt DisplayNotesCallBackL(TAny* aPtr);

    void HandleDisplayNotesCallBackL();

    static TInt AutolockStatusCallBackL(TAny* aPtr);

    void HandleAutolockStatusCallBackL();

    void HandleMMCCallBackL();

    static TInt MMCStatusChanged(TAny* aPtr);

private:

    RWsSession              iWs;

    RFs                     iFs;

    COutOfDiskWatcher*      iOODWarningWatcher;

    COutOfDiskWatcher*      iOODCriticalWatcher;

    TUint                   iOODWarningThreshold;

    TUint                   iOODCriticalThreshold;

    RProperty               iDiskStatusProperty;

    RProperty               iMMCStatusProperty;

    RProperty               iCanDisplayNotesProperty;

    RProperty               iAutolockStatusProperty;

    RProperty               iEnableMMCWatchProperty;

    RProperty               iWatchdogStatusProperty;

    CSubscriber*            iDisplayNotesSubscriber;

    CSubscriber*            iAutolockStatusSubscriber;

    CSubscriber*            iMMCWatchSubscriber;

    CSubscriber*            iWatchdogStatusSubscriber;

    CGlobalQueryActive*     iGlobalQueryActive;

    COutOfDiskWatcher*      iOOMMCWarningWatcher;

    COutOfDiskWatcher*      iOOMMCCriticalWatcher;

    TInt                    iAutolockStatus;

private:

    friend class CLafShutdownManager::COutOfDiskWatcher;

    };

#endif LAFSHUT_H