/*

* 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 idle event of system

*

*/

// INCLUDE FILES

#include    <e32base.h>

#include    <e32std.h>

#include    <f32file.h>

#include    <e32property.h> //for RProperty

#include    "IdleObserver.h"

#include    "DRMHelperServer.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

#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:\\IOLog.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:\\IOLog.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

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

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

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

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

// CIdleObserver::CIdleObserver

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

// might leave.

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

//

CIdleObserver::CIdleObserver( CDRMHelperServer& aServer ):

                    CActive(CActive::EPriorityStandard),

                        iServer( aServer )

    {

    CActiveScheduler::Add( this );

    }

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

// CIdleObserver::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CIdleObserver::ConstructL()

    {

#ifdef _DRM_TESTING

    CreateLogL(); //test

#endif

    }

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

// CIdleObserver::NewL

// Two-phased constructor.

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

//

CIdleObserver* CIdleObserver::NewL(CDRMHelperServer& aServer)

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// Destructor

CIdleObserver::~CIdleObserver()

    {

#ifdef _DRM_TESTING

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

    TRAP( err , WriteCurrentTimeL() );

#endif

    Cancel();

    iProperty.Close();

    }

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

// CIdleObserver::StartL

// Start the system agent to listen to the event

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

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

//

void CIdleObserver::StartL()

    {

#ifdef _DRM_TESTING

    WriteL(_L("Start"));

    WriteCurrentTimeL();

#endif

    Cancel();

    iProperty.Subscribe( iStatus );

    SetActive();

    }

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

// CIdleObserver::RunL

// from CActive

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

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

//

void CIdleObserver::RunL()

    {

#ifdef _DRM_TESTING

    //test code start

    WriteL(_L("RunL"));

    WriteCurrentTimeL();

    //test code end

#endif

    // Resubscribe before processing new value to prevent missing updates

    TInt err( iStatus.Int() );

    if (err == KErrNone)

        {

        StartL();

        User::LeaveIfError( iProperty.Get(

            {

            iServer.HandleIdleL();

            }

        }

    else if ( err != KErrCancel )

        {

        StartL();

        }

    }

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

// CIdleObserver::DoCancel

// From CActive

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

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

//

void CIdleObserver::DoCancel()

    {

#ifdef _DRM_TESTING

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

    TRAP( err , WriteCurrentTimeL() );

#endif

    iProperty.Cancel();

    }

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

//  End of File