/*

* 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:  

*		Bio control factory

*

*/

// INCLUDE FILES

#include "MsgBioControlFactory.h"   // for CMsgBioControlFactory

#include "msgbiocontrolObserver.h"  // for MMsgBioControlObserver

#include "MsgEditorUtils.pan"       // for panics and error codes

#include "MsgBioUids.h"

#include <s32file.h>                // for CFileStore

#include <biodb.h>                  // for CBIODatabase

#include <e32uid.h>                 // for uids

#include <msvapi.h>                 // MTM server API

#include <msgbiocontrol.h>

#include <data_caging_path_literals.hrh>

#include "MsgEditorUtilsLog.h"

//  LOCAL CONSTANTS AND MACROS

const TInt KEntryPointOrdinalNumber = 1; // Ordinal for NewL

typedef CMsgBioControl* (*TNewControlL)(MMsgBioControlObserver& aObserver,

                                       CMsvSession* aSession,

                                       TMsvId aId,

                                       TMsgBioMode aEditorOrViewerMode,

                                       const RFile* aFile);

//  MEMBER FUNCTIONS

EXPORT_C CMsgBioControlFactory* CMsgBioControlFactory::NewL()

    {

	LOG("CMsgBioControlFactory::NewL begin");

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    LOG("CMsgBioControlFactory::NewL end");

    return self;

    }

EXPORT_C CMsgBioControlFactory::~CMsgBioControlFactory()

    {

    iControlDllLibrary.Close();

    iFs.Close();

    }

EXPORT_C CMsgBioControl* CMsgBioControlFactory::CreateControlL(

    MMsgBioControlObserver& aBioControlObserver,

    const TUid& aBioMsgType,

    TMsgBioMode aEditorOrViewerMode,

    TMsvId aId,

    CMsvSession* aSession) //ownership not transferred

    {

    __ASSERT_ALWAYS( ( aId && aSession &&

        ( (aEditorOrViewerMode == EMsgBioEditorMode) ||

          (aEditorOrViewerMode == EMsgBioViewerMode) ) ),

        Panic(EMEUErrArgument) );

    return DoCreateControlL(

        aBioControlObserver,

        aBioMsgType,

        aEditorOrViewerMode,

        aId,

        aSession,

        NULL /* file handle */ );

    }

EXPORT_C CMsgBioControl* CMsgBioControlFactory::CreateControlL(

    MMsgBioControlObserver& aBioControlObserver,

    const TUid& aBioMsgType,

    TMsgBioMode aEditorOrViewerMode,

    const RFile& aFile)

    {

    __ASSERT_ALWAYS( ( ( (aEditorOrViewerMode == EMsgBioEditorMode) ||

                         (aEditorOrViewerMode == EMsgBioViewerMode) ) ),

                     Panic(EMEUErrArgument) );

    TMsvId nullMsvId = NULL;

    return DoCreateControlL(

        aBioControlObserver,

        aBioMsgType,

        aEditorOrViewerMode,

        nullMsvId,

        NULL, // of type CMsvSession*

        &aFile);

    }

CMsgBioControlFactory::CMsgBioControlFactory()

    {

    }

void CMsgBioControlFactory::ConstructL()

    {

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

    }

CMsgBioControl* CMsgBioControlFactory::DoCreateControlL(

    MMsgBioControlObserver& aBioControlObserver,

    const TUid& aBioMsgType,

    TMsgBioMode aEditorOrViewerMode,

    TMsvId aId,

    CMsvSession* aSession,

    const RFile* aFile)

    {

	LOG("CMsgBioControlFactory::DoCreateControlL begin");

    if(aBioMsgType.iUid == 0)

        {

        User::Leave(KMsgBioMessageTypeNotDefined);

        }

    CBIODatabase* bioDatabase = CBIODatabase::NewL(iFs);

    CleanupStack::PushL(bioDatabase);

    TPtrC controlName;

    TRAPD(err,controlName.Set(bioDatabase->GetBioControlNameL(aBioMsgType)));

    if(err == KErrNotFound)

    	User::Leave(KErrNotFound);

    TFileName fullname(NULL);

    fullname.Append( controlName );

    CleanupStack::PopAndDestroy(bioDatabase);

    __ASSERT_ALWAYS( iControlDllLibrary.Handle() == 0,

                Panic(EMEUOnlyOneLibraryAllowed));

    User::LeaveIfError(iControlDllLibrary.Load(fullname));

	TLibraryFunction libFunc = iControlDllLibrary.Lookup(

    	KEntryPointOrdinalNumber);

    if (libFunc == NULL)    // Check that we found the entry point

        {

        User::Leave(KMsgBadLibraryEntryPoint);

        }

    // Create a function pointer to NewL

    TNewControlL pFunc = reinterpret_cast<TNewControlL>( libFunc );

    CMsgBioControl* control = NULL;

    TRAPD(ret, control = ((*pFunc)(

        aBioControlObserver,

        aSession,

        aId,

        aEditorOrViewerMode,

        aFile)));

    if ((ret != KErrNone) || (control == NULL))

        {

        iControlDllLibrary.Close();

        User::Leave(ret);

        }

    LOG("CMsgBioControlFactory::DoCreateControlL end");

    return control;

    }

// End of file