/*

* Copyright (c) 2010 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 includes

#include <swi/sisregistrysession.h>

#include <bautils.h>

//User Includes

#include "NotifyChange.h"

// Assuming that the path of registration resources will be @ c:\private\10003a3f\imports\apps

_LIT(KDirPath,":\\private\\10003a3f\\import\\apps\\");

// Wildcard to get only registration resources from above Path

_LIT(KWildName,"*_reg.rsc");

/*

 *NewL- Wrapper funtion to invoke the constructor of CNotifyChange class. 

 */

CNotifyChange* CNotifyChange::NewL(TChar aDriveLetter)

    {

    CNotifyChange* self=new (ELeave) CNotifyChange();

    CleanupStack::PushL(self);

    self->ConstructL(aDriveLetter);

    CleanupStack::Pop(self);

    return self;

    }

/*

 * Second Phase Constructor 

 */

void CNotifyChange::ConstructL(TChar aDriveLetter) // second-phase constructor

    {

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

    TBuf<KMaxFileName> aPath;

    aPath.Append(aDriveLetter);

    aPath.Append(KDirPath);

    iPath = aPath.AllocL();

    }

/*

 * Constructor

 */

CNotifyChange::CNotifyChange():CActive(EPriorityStandard)

    {

    CActiveScheduler::Add(this);

    }

/*

 * StartFilesystemMonitor is used for issuing a Notify Change request to FileSystem for particular path

 */

void CNotifyChange::StartFilesystemMonitor()

    {

    TRequestStatus status;

    iFs.NotifyChange(ENotifyWrite,status,*iPath);

    SetActive();

    RDebug::Print(_L("*********** Isuued Notify Change Request ************ "));

    OstTrace0( TRACE_NORMAL, __STARTFILESYSTEMMONITOR, "AppRegExec::StartFilesystemMonitor - Isuued Notify Change Request");

    }

/*

 * RunL - Override function of CActive Class . will be invoked once FileSystem completes the request.

 */

void CNotifyChange::RunL()

    {

    TInt status = iStatus.Int();

    if ( status == KErrCancel )

        {

        OstTrace1( TRACE_FATAL, __RUNL, "AppRegExec::RunL - Cancelled;status=%d",status);

        return;

        }

    GetFilesFromDirL();

    // Issue notify Request Again

    StartFilesystemMonitor();

    }

/*

 * DoCancel - Override function of CAtive to Cancel any out standing request.

 */

void CNotifyChange::DoCancel()

    {

    // Cancel the outstanding file system request.

    iFs.NotifyChangeCancel(iStatus);

    }

/*

 * RunError- Override function of CActive class will be used to handle the error if any occurs in RunL .

 */

TInt CNotifyChange::RunError(TInt aError)

    { 

    OstTrace1( TRACE_FATAL, __RUNERROR, "AppRegExec::RunError;aError=%d",aError);

    return (KErrNone);                 // Error has been handled.

    }

/*

 * Destructor

 */

CNotifyChange::~CNotifyChange()

    {

    Cancel();

    if(iPath)

        {

        delete iPath;

        }

    iFs.Close();

    }

/*

 * GetFileFromDir- will be used to get the list of registration resources from a specified path.

 */

void CNotifyChange::GetFilesFromDirL()

    {

    iFs.SetSessionPath(iPath->Des());

    CDir* fileList;

    User::LeaveIfError(iFs.GetDir(KWildName,KEntryAttNormal,ESortByDate,fileList));

    TInt count = fileList->Count();

    if(count > 0)

        {

        TEntry entry = (*fileList)[count -1];

        TPtrC filename = entry.iName;

        TBuf<KMaxFileName> buf;

        buf.Append(iPath->Des());

        buf.Append(filename);

        TBool ret = iFs.IsValidName(buf);

        if(ret)

            {

            OstTrace0( TRACE_NORMAL, __GETFILESFROMDIR, "AppRegExec::GetFilesFromDir - Registrating Resources ...");

            RegisterwithApparc(buf);

            }

        else

            {

            OstTrace1( TRACE_FATAL, __GETFILESFROMDIR_NOTVALID, "AppRegister::GetFilesFromDir - File doesn't Exist;ret=%d",ret);

            }

        }

    }

/*

 * RegisterwithApparc - will be used to register the resource with APPARC using SWI API's

 */

void CNotifyChange::RegisterwithApparc(TDesC& aFileName)

    {

    Swi::RSisRegistrySession rServer;

    TInt ret = rServer.Connect();

    OstTrace1( TRACE_FATAL, __REGISTERWITHAPPARC_CONNECTION, "AppRegExec::RegisterwithApparc - Connection status;ret=%d",ret);

    CleanupClosePushL( rServer );

    TRAP(ret, rServer.AddAppRegInfoL(aFileName));

    RDebug::Print(aFileName);

    OstTrace1( TRACE_FATAL, __REGISTERWITHAPPARC_REGITERED, "AppRegExec::RegisterwithApparc - Registered Resource;ret= %d",ret);

    CleanupStack::PopAndDestroy(); //rServer*/

    }