/*

* Copyright (c) 2002-2007 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 text data handler.

*

*/

// INCLUDE FILES

#include "DocNotepadHandler.h"

#include "DocSaver.h"

#include "CommonUiNpdApiLoader.h"

// CONSTANTS

// Path and filename of wrapper dll.

_LIT( KCommonUiNpdApiLoaderName, "z:\\sys\\bin\\commonuinpdapiloader.dll" );

// Entry point for dynamically loaded dlls.

const TInt KNpdApiDllEntryPoint = 1;

// TYPE DEFINITIONS

typedef TAny* (*NpdApiL)();

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

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

// Two-phased constructor. 

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

//

CDocNotepadHandler* CDocNotepadHandler::NewL(

    const TDataType& aDataType,

    const TUid& aUid,

    CDocumentHandler* aDocDispatcher )

    {

    CDocNotepadHandler *self = 

        CDocNotepadHandler::NewLC( aDataType, 

                                   aUid, aDocDispatcher );

    CleanupStack::Pop();

    return self;

    }

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

// Two-phased constructor. Leaves the contructed instance in to the 

// clean up stack.

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

CDocNotepadHandler* CDocNotepadHandler::NewLC(

    const TDataType& aDataType,

    const TUid& aUid,

    CDocumentHandler* aDocDispatcher )

    {

    CDocNotepadHandler *self = 

        new( ELeave ) CDocNotepadHandler( aDataType, aUid, 

                                          aDocDispatcher, EDocOpenAndSave );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// Epoc constructor    

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

void CDocNotepadHandler::ConstructL()

    {

    BaseConstructL();    

    }

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

// Destructor

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

CDocNotepadHandler::~CDocNotepadHandler()

    {

    delete iNpdApi;

    if( iNpdDllLoaded )

        {

        iNpdDll.Close();

        }

    }

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

// Constructor

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

CDocNotepadHandler::CDocNotepadHandler(

    const TDataType& aDataType,

    const TUid& aUid,

    CDocumentHandler* aDocDispatcher,

    TDocServiceMode aServiceMode ) : 

    CDocDefaultHandler( aDataType, aUid, aDocDispatcher, aServiceMode )

    {

    }

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

// TInt CDocNotepadHandler::CopyOrMoveL(..)

// Copy the text file content to Notepad's storage.

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

TInt CDocNotepadHandler::CopyOrMoveL( const TUint )

    {

    TInt error = KErrNone;

   	if( !iNpdDllLoaded )

        {

        LoadNpdApiL();

        }    

    iNpdApi->SaveFileAsMemoL( iSourceFile );

    // If this was MoveL-function, then we have to delete source file

    if (DocOperation() == EDocMove || DocOperation() == EDocSilentMove)

        { 

        error = iFileManager->Delete(iSourceFile, ETrue);        

        }

    // skip note if silentmove

    if (DocOperation() != EDocSilentMove)

        {

        AddResourcesL();

        HBufC* text;        

        text = StringLoader::LoadLC( 

            R_DOCUMENT_HANDLER_FILE_SAVED_TO, 

            this->iAppInfo.iCaption );                

        CDocSaver::ConfNoteL( text->Des(), ETrue );

        CleanupStack::PopAndDestroy(); // text

        RemoveResources();

        }

    HandleServerAppExit(0);

    return SetAndReturnStatus( error );

    }

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

// TInt CDocNotepadHandler::CopyHandleL(..)

// Copy the text file content to Notepad's storage.

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

TInt CDocNotepadHandler::CopyHandleL( const RFile& aSourceFile, const TUint )

    {

    TInt error = KErrNone;

	if( !iNpdDllLoaded )

        {

        LoadNpdApiL();

        }

    iNpdApi->SaveFileAsMemoL( aSourceFile );

    AddResourcesL();

    HBufC* text;        

    text = StringLoader::LoadLC( 

        R_DOCUMENT_HANDLER_FILE_SAVED_TO, 

        this->iAppInfo.iCaption );                                

    CDocSaver::ConfNoteL( text->Des(), ETrue );

    CleanupStack::PopAndDestroy(); // text

    RemoveResources();

    HandleServerAppExit(0);

    return SetAndReturnStatus( error );

    }    

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

// TInt CDocNotepadHandler::LoadNpdApiL

// Load Notepad Api.

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

void CDocNotepadHandler::LoadNpdApiL()

	{	

	// Memo saving dll loading.

    if( !iNpdDllLoaded )

        {        

        if( iNpdDll.Load( KCommonUiNpdApiLoaderName ) == KErrNone )

            {         

            iNpdDllLoaded = ETrue;

            // Request the entry function

            NpdApiL npdApi = (NpdApiL) iNpdDll.Lookup( KNpdApiDllEntryPoint );

            if( npdApi )

                {                

                // Create the class

                iNpdApi = (CCommonUiNpdApiLoader*) (*npdApi)();

                }

            }

        }

    // The wrapper failed to load.

    if ( !iNpdApi )

        {

        User::Leave( KErrNotFound );

        }    

	}

//  End of File