/*

* Copyright (c) 2002-2005 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:  Implementation of game data handler.

*

*/

// INCLUDE FILES

#include <s32mem.h>

#include <s32file.h>

#include "DocGameHandler.h"

#include "pathinfo.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

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

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

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

// might leave.

//

CDocGameHandler::CDocGameHandler(

    const TDataType& aDataType,

    const TUid& aUid,

    CDocumentHandler* aDocDispatcher,

    TDocServiceMode aServiceMode ): 

        CDocDefaultHandler( aDataType, aUid, 

                            aDocDispatcher, aServiceMode )

    {

    }

// EPOC default constructor can leave.

void CDocGameHandler::ConstructL()

    {

    BaseConstructL();

    iGameId = KGameEngineUID;

    }

// Two-phased constructor.

CDocGameHandler* CDocGameHandler::NewL(    

    const TDataType& aDataType,

    const TUid& aUid,

    CDocumentHandler* aDocDispatcher,

    TDocServiceMode aServiceMode )

    {

    CDocGameHandler* self = new (ELeave) CDocGameHandler( aDataType, 

                                           aUid, aDocDispatcher, 

                                           aServiceMode );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

// Destructor

CDocGameHandler::~CDocGameHandler()

    {

    } 

void CDocGameHandler::ParseGameInfoFromFileL( const TDesC& aFilename )

    {

    RFile file;

    User::LeaveIfError( file.Open( iFs, aFilename, EFileRead ) );

    RFileReadStream reader( file );    

    iGameId = reader.ReadInt32L();

    reader.ReadInt8L();             // Data Type

    reader.ReadInt32L();            // Data Length

    TInt size = reader.ReadInt8L();// Size of Name String

    if ( size > 0 )

        {

        reader.ReadL( iDestFile, size );// Name String

        }

    reader.Close();

    }

// TODO: Does this method work, how to test this?    

void CDocGameHandler::ParseGameInfoFromFileL( const RFile& aFile )

    {

    RFileReadStream reader( const_cast<RFile&>(aFile) );    

    iGameId = reader.ReadInt32L();

    reader.ReadInt8L();             // Data Type

    reader.ReadInt32L();            // Data Length

    TInt size = reader.ReadInt8L();// Size of Name String

    if ( size > 0 )

        {

        reader.ReadL( iDestFile, size );// Name String

        }

    reader.Close();

    }    

void CDocGameHandler::ParseGameInfoFromBufL( const TDesC8& aBuffer )

    {   

    RDesReadStream reader( aBuffer );

    iGameId = reader.ReadInt32L();  // GameId

    reader.ReadInt8L();             // Data Type

    reader.ReadInt32L();            // Data Length

    TInt size = reader.ReadInt8L(); // Size of Name String

    if ( size > 0 )

        {

        reader.ReadL( iDestFile, size );// Name String

        }

    reader.Close();  

    }

//

// Changes iUid to "real". Changes iDataType to "real" value.

//

TInt CDocGameHandler::CheckGameDataTypeL( TInt32 aGameId )

    {

    TInt error = KErrNone;

    if ( aGameId > KMaxGameEngineDataID )

        {

        TBuf8<256> completedType = iDataType.Des8();                

        completedType.Append( _L("-") );

        completedType.AppendNumFixedWidth( aGameId, EHex, 8 );      

        iDataType = TDataType( completedType );

        }

    error = iApaLs->AppForDataType( iDataType, iUid );

    if ( error != KErrNone )

        {

        User::Leave( error );

        }

    if ( iUid.iUid == 0)

        {

        iUid.iUid = KGameEngineUID;

        }

    PopulateAppInfo();

    if ( iAppInfo.iFullName.Length() == 0 )

        {

        User::Leave( KMimeNotSupported );

        }

    return error;

    }

void CDocGameHandler::PopulateAppInfo()

    {    

    CDocDefaultHandler::PopulateAppInfo( iUid );    

    }

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

// CDocDefaultHandler::GetDataDirL( 

//    const TDataType& aDataType, 

//    const TUid& aUid, 

//    TDes& aPath 

//    TDes& aDataSize)

// Get the data directory for the mime type

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

//        

TInt CDocGameHandler::GetDataDirL( 

    const TDataType& aDataType, 

    const TUid& aUid, 

    TDes& aPath,

    TInt aDataSize)

    {    

    if ( iUid.iUid != 0 )

        {

        if (CDocDefaultHandler::GetDataDirL( aDataType, aUid, aPath, aDataSize ) == KErrCancel)

            {

            return KErrCancel;

            }

        }

    if ( iSavedAsTemp )

        User::Leave( KMimeNotSupported );

    if ( iUid.iUid != KGameEngineUID )

        {

        aPath.Insert( 0,  PathInfo::GamesPath() );

        }

    TParsePtr parse( aPath );

    if ( parse.NamePresent() )                  // There is no '\' in the end.

        {

        aPath.Append( _L( "\\" ) );              // Append it. We need it!

        }

    return SetAndReturnStatus( KErrNone );

    }

TInt CDocGameHandler::CopyOrMoveL( const TUint aAttr )

    {

    ParseGameInfoFromFileL( iSourceFile );

    User::LeaveIfError( CheckGameDataTypeL( iGameId ) );

    TInt error = CDocDefaultHandler::CopyOrMoveL( aAttr );

    if ( iUid.iUid == KGameEngineUID )

        {

        NotifyGameEngine( iUid );

        }

    HandleServerAppExit(0);

    return SetAndReturnStatus( error );

    }

TInt CDocGameHandler::CopyHandleL( const RFile& aSourceFile, const TUint aAttr  )

    {

    ParseGameInfoFromFileL( aSourceFile );

    User::LeaveIfError( CheckGameDataTypeL( iGameId ) );

    TInt error = CDocDefaultHandler::CopyHandleL( aSourceFile, aAttr );

    if ( iUid.iUid == KGameEngineUID )

        {

        NotifyGameEngine( iUid );

        }

    HandleServerAppExit(0);

    return SetAndReturnStatus( error );

    }    

TBool CDocGameHandler::IsViewerOperation( TDocOperation /*aOperation*/ )

    {

    return EFalse;

    }

TInt CDocGameHandler::NotifyGameEngine( const TUid& /*aUid*/ )

    {

    // TODO: Is there needed some notify?

    return 0;

    }

//  End of File