/*

* Copyright (c) 2002 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:  observe the configuration change of DHS through Cenrep

*

*/

// INCLUDE FILES

#include    <e32base.h>

#include    <e32std.h>

#include    <f32file.h>

#include    <centralrepository.h>

#include    "ConfigObserver.h"

#include    "DRMHelperCommon.h"

#include    "DRMHelperServer.h"

#include    "DRMHelperServerConfigInternalCRKeys.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

#ifdef _DRM_TESTING

LOCAL_C void WriteFileL( const TDesC8& text , RFs &aFs , const TDesC& aName )

    {

    RFile file;

    TInt size;

    User::LeaveIfError( file.Open( aFs, aName , EFileWrite ) );

    CleanupClosePushL( file );

    User::LeaveIfError( file.Size( size ) );

    User::LeaveIfError( file.Write( size, text ) );

    CleanupStack::PopAndDestroy(&file); //file

    }

LOCAL_C void WriteLogL( const TDesC8& text , RFs &aFs )

    {

    _LIT( KLogFile , "c:\\COLog.txt" );

    WriteFileL( text , aFs , KLogFile );

    }

LOCAL_C void CreateLogL()

    {

    RFs fs;

    User::LeaveIfError(fs.Connect());

    CleanupClosePushL(fs);

    RFile file;

    User::LeaveIfError( file.Replace( fs , _L("c:\\COLog.txt") , EFileWrite ) );

    file.Close();

    CleanupStack::PopAndDestroy(&fs); //fs

    }

LOCAL_C void WriteL( const TDesC& aText )

    {

    RFs fs;

    User::LeaveIfError( fs.Connect() );

    CleanupClosePushL(fs);

    HBufC8* text = HBufC8::NewLC(1000);

    TPtr8 textptr(text->Des() );

    textptr.Append( aText );

    textptr.Append(_L( "\r\n" ));

    WriteLogL(textptr , fs);

    CleanupStack::PopAndDestroy(text);

    CleanupStack::PopAndDestroy(&fs); //fs

    }

LOCAL_C void WriteCurrentTimeL()

    {

    RFs fs;

    User::LeaveIfError( fs.Connect() );

    CleanupClosePushL(fs);

    HBufC8* text = HBufC8::NewLC(100);

    TPtr8 textptr(text->Des() );

// Date and Time display

    TTime time;

    time.HomeTime();

    TBuf<256> dateString;

    _LIT(KDate,"%*E%*D%X%*N%*Y %1 %2 '%3");

    time.FormatL(dateString,KDate);

    textptr.Append(_L( "\r\n\t\tData:\t" ) );

    textptr.Append( dateString );

    _LIT(KTime,"%-B%:0%J%:1%T%:2%S%:3%+B");

    time.FormatL(dateString,KTime);

    textptr.Append(_L( "\r\n\t\tTime:\t" ) );

    textptr.Append( dateString );

    textptr.Append(_L( "\r\n" ) );

    textptr.Append(_L( "\r\n" ) );

    WriteLogL(textptr , fs);

    CleanupStack::PopAndDestroy(text);

    CleanupStack::PopAndDestroy(&fs); //fs

    }

#endif

// ============================ MEMBER FUNCTIONS ===============================

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

// CConfigObserver::CConfigObserver

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CConfigObserver::CConfigObserver( CDRMHelperServer& aServer ):

                    CActive(CActive::EPriorityStandard),

                        iServer( aServer )

    {

    CActiveScheduler::Add( this );

    }

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

// CConfigObserver::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CConfigObserver::ConstructL()

    {

#ifdef _DRM_TESTING

    CreateLogL(); //test

#endif

    iRepository = CRepository::NewL(KCRUidDRMHelperServerConfig);

    }

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

// CConfigObserver::NewL

// Two-phased constructor.

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

//

CConfigObserver* CConfigObserver::NewL(CDRMHelperServer& aServer)

    {

    CConfigObserver* self = new( ELeave ) CConfigObserver(aServer);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// Destructor

CConfigObserver::~CConfigObserver()

    {

#ifdef _DRM_TESTING

    TRAPD( err , WriteL(_L("CConfigObserver-Destruct")) ); 

    TRAP( err , WriteCurrentTimeL() );

#endif

    Cancel();

    delete iRepository;

    }

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

// CConfigObserver::StartL

// Start the system agent to listen to the event

// (other items were commented in a header).

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

//

void CConfigObserver::StartL()

    {

#ifdef _DRM_TESTING

    WriteL(_L("Start"));

    WriteCurrentTimeL();

#endif

    Cancel();

    User::LeaveIfError(iRepository->NotifyRequest( KDRMHSInformingInterval , iStatus ));

    SetActive();

    }

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

// CConfigObserver::RunL

// from CActive

// (other items were commented in a header).

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

//

void CConfigObserver::RunL()

    {

#ifdef _DRM_TESTING 

    //test code start

    WriteL(_L("RunL"));

    WriteCurrentTimeL();

    //test code end

#endif

    TInt err( iStatus.Int() );

    TInt val = KAboutToExpireInterval;

    if (err == KErrNone)

        {

        StartL();

        User::LeaveIfError(iRepository->Get( KDRMHSInformingInterval , val ));

        iServer.SetInformingInterval(val);

        }

    else if (err != KErrCancel || 

    NCentralRepositoryConstants::KInvalidNotificationId

    )

        {

        StartL();

        }

    }

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

// CConfigObserver::DoCancel

// From CActive

// (other items were commented in a header).

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

//

void CConfigObserver::DoCancel()

    {

#ifdef _DRM_TESTING

    TRAPD( err , WriteL(_L("DoCancel")) );

    TRAP( err , WriteCurrentTimeL() );

#endif

    iRepository->NotifyCancel(KDRMHSInformingInterval);

    }

// ========================== OTHER EXPORTED FUNCTIONS =========================

//  End of File