/*

* Copyright (c) 2009 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:  Handles messaging between file system and haptics 

*                client interface.

*

*/

#include <f32file.h> 

#include <bautils.h> 

#include <pathinfo.h>

#include <hwrmhaptics.h>

#include "hapticsmsghandler.h"

#include "hapticsconntimer.h"

#include "hapticsconntrace.h"

_LIT( KVibeTonzFolder,"VibeTonz\\" );

_LIT( KSourceFileName,"VibeTonzDataReq" );

_LIT( KTargetFileName,"VibeTonzDataRsp" );

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

// CHapticsMsgHandler* CHapticsMsgHandler::NewL()

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

//

CHapticsMsgHandler* CHapticsMsgHandler::NewL()

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Default C++ constructor

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

//

CHapticsMsgHandler::CHapticsMsgHandler () : CActive( EPriorityStandard )

    {

    }    

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

// void CHapticsMsgHandler::ConstructL()

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

//

void CHapticsMsgHandler::ConstructL()

    {

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::ConstructL - Begin") ) );    

    CActiveScheduler::Add( this );

    ConnectToFilesystemL();

    iConnectionTimeout = CHapticsConnTimer::NewL(this);

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::ConstructL - End") ) );

    }

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

// CHapticsMsgHandler::~CHapticsMsgHandler()

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

//

CHapticsMsgHandler::~CHapticsMsgHandler()

    {    

    Cancel();

    if ( iConnectionTimeout )

        {

        iConnectionTimeout->Cancel();

        delete iConnectionTimeout;

        }

    delete iReqBuf;

    iClient.Close();

    iFs.Close();

    }

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

// void ClearRequestFile()

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

//   

void CHapticsMsgHandler::ClearRequestFile()

	{

	COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::ClearRequestFile - Begin") ) );

    TFindFile findDataFile( iFs );

    TFileName sourcefile = PathInfo::PhoneMemoryRootPath();

    sourcefile.Append( PathInfo::OthersPath() );

    sourcefile.Append( KVibeTonzFolder );

    sourcefile.Append( KSourceFileName );

    if( findDataFile.FindByDir( sourcefile, KNullDesC ) == KErrNone )

    	{

    	COMPONENT_TRACE( _L("CHapticsMsgHandler::ClearRequestFile - Deleting REQ file") );

    	iFs.Delete( KSourceFileName ); 

    	}

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::ClearRequestFile - End") ) );    	

	}

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

// void ConnectToFilesystem()

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

//    

void CHapticsMsgHandler::ConnectToFilesystemL()

    {

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::ConnectToFilesystemL - Begin") ) );

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

    TFileName sessionPath = PathInfo::PhoneMemoryRootPath();

    sessionPath.Append( PathInfo::OthersPath() );

    sessionPath.Append( KVibeTonzFolder );

    TBool folderExists = BaflUtils::FolderExists( iFs, sessionPath );

    if( folderExists )

        {

        User::LeaveIfError( iFs.SetSessionPath( sessionPath ) );

        ClearRequestFile();

        }

    else

        {

        User::LeaveIfError( iFs.MkDir( sessionPath ) );

        User::LeaveIfError( iFs.SetSessionPath( sessionPath ) );

        }

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::ConnectToFilesystemL - End") ) );

    }    

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

// CHapticsMsgHandler::StartNotifier()

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

//

void CHapticsMsgHandler::StartNotifier()

	{

	COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::StartNotifier - Begin" ) ) );

    if ( !IsActive() )

        {

        TFileName sessionPath = PathInfo::PhoneMemoryRootPath();

        sessionPath.Append( PathInfo::OthersPath() );

        sessionPath.Append( KVibeTonzFolder );        

        iFs.NotifyChange( ENotifyAll, iStatus, sessionPath );

        SetActive();

	    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::StartNotifier - Started" ) ) );        

        }

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::StartNotifier - End" ) ) );

    }

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

// CHapticsMsgHandler::RunL()

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

//

void CHapticsMsgHandler::RunL()

    {

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::RunL - Begin" ) ) );

    StartNotifier(); // re-subscribe for change notifications.

    TFindFile findDataFile(iFs); 

    TFileName sourcefileName = PathInfo::PhoneMemoryRootPath();

    sourcefileName.Append( PathInfo::OthersPath() );

    sourcefileName.Append( KVibeTonzFolder );

    sourcefileName.Append( KSourceFileName ); 

    if( findDataFile.FindByDir( sourcefileName, KNullDesC ) == KErrNone )

        {

        COMPONENT_TRACE( ( _L("CHapticsMsgHandler::RunL - found request file") ) );

        RFile sourceFile;

		TInt sourceFileSize;

		User::LeaveIfError( sourceFile.Open( iFs, sourcefileName, EFileShareAny )  );

		CleanupClosePushL( sourceFile );

		sourceFile.Size( sourceFileSize );

		iReqBuf = HBufC8::NewL( sourceFileSize );

		TPtr8 reqBufPtr = iReqBuf->Des();		

		sourceFile.Read( reqBufPtr );

		CleanupStack::PopAndDestroy( &sourceFile );

		ClearRequestFile();

        DATADUMP_TRACE( _L("CHapticsMsgHandler::RunL - request data dump:"), reqBufPtr );

        if ( !iClient.Handle() )

            {

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

            }

		TBuf8<256> retData;	

		TInt bridgeErr = iClient.SendBridgeBuffer( reqBufPtr, retData );

	    delete iReqBuf;

	    iReqBuf = NULL;

		if ( bridgeErr == KErrNone )

			{		

            iConnectionTimeout->Cancel();

            iConnectionTimeout->Start();

			DATADUMP_TRACE( _L("CHapticsMsgHandler::RunL - response data dump:"), retData );

            RFile targetFile;

			targetFile.Replace( iFs, KTargetFileName, EFileWrite );

			targetFile.Write( retData );

        	targetFile.Close();

        	}

        }      

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::RunL - End" ) ) );

    }

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

//

//

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

//

TInt CHapticsMsgHandler::RunError( TInt aError )

    {

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::RunError: %d" ), aError ) );

    return aError;

    }

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

//

//

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

//

void CHapticsMsgHandler::DoCancel()

    {

    COMPONENT_TRACE( ( _L( "Inside CHapticsMsgHandler::DoCancel" ) ) );

    if ( IsActive() )

        {

        iFs.NotifyChangeCancel( iStatus );

        }

    }

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

// CHapticsConnPlugin::CHapticsConnPlugin()

// Constructor

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

//

void CHapticsMsgHandler::NotifyShutdown()

    {

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::NotifyShutdown - Begin" ) ) );

    iClient.CleanUp();

    iClient.Close(); 

    COMPONENT_TRACE( ( _L( "CHapticsMsgHandler::NotifyShutdown - End" ) ) );    

    } 

// end of file