/*

* Copyright (c) 2005-2008 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:  Provides blid document class methods.

*

*/

// INCLUDE FILES

#include <sysutil.h>

#include <f32file.h>

#include <pathinfo.h>

#include <driveinfo.h>

#include "CBlidDocument.h"

#include "CBlidAppUi.h"

#include "CBlidEng.h" 

#include "bliduiconsts.h"

// constants

const TInt KBytesToWrite = 2*sizeof(TInt);

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

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

// CBlidDocument::CBlidDocument

// First phase constructor, may not leave

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

//

CBlidDocument::CBlidDocument(CEikApplication& aApp)

: CAknDocument(aApp)    

    {

    }

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

// CBlidDocument::~CBlidDocument

// Destructor, frees allocated resources

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

//

CBlidDocument::~CBlidDocument()

    {

    delete iEngine;

    }

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

// CBlidDocument::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CBlidDocument::ConstructL()

    {

    CreateEngineL();

    }

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

// CBlidDocument::NewL

// Two-phased constructor.

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

//

CBlidDocument* CBlidDocument::NewL(

        CEikApplication& aApp)     // CLocApp reference

    {

    CBlidDocument* self = new (ELeave) CBlidDocument( aApp );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CBlidDocument::CreateAppUiL

// constructs CBlidAppUi

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

//

CEikAppUi* CBlidDocument::CreateAppUiL()

    {

    return new (ELeave) CBlidAppUi;

    }

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

// CBlidDocument::CreateEngineL

// Create instance of CBlidEng

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

//

void CBlidDocument::CreateEngineL()

    {

    iEngine = CBlidEng::NewL();

    }

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

// CBlidDocument::Engine

// Returns the CBlidEng instance

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

//

CBlidEng* CBlidDocument::Engine()

    {

    return iEngine;

    }

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

// CBlidDocument::StoreL

// Stores the app's document

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

//

void CBlidDocument::StoreL( CStreamStore& aStore, 

            CStreamDictionary& aStreamDic ) const

    {

    TStreamId id = iEngine->StoreL( aStore, *EditStore() );

    aStreamDic.AssignL( KBlidUI, id );

    }

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

// CBlidDocument::RestoreL

// Restore the app's document

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

//

void CBlidDocument::RestoreL( const CStreamStore& aStore,

            const CStreamDictionary& aStreamDic )

    {

    TStreamId streamId = aStreamDic.At( KBlidUI );

    iEngine->RestoreL( aStore, streamId );

    SetChanged( EFalse );

    }

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

// CBlidDocument::OpenFileL

// Restores the document's state from the specified file

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

//

CFileStore* CBlidDocument::OpenFileL(TBool aDoOpen, 

                      const TDesC& aFileName, 

                      RFs& aFs)

    {

    // changes done for multiple drive support	   

    TChar colon = ':';

	TFileName wpFileName;

	wpFileName.Append(PathInfo::PhoneMemoryRootPath()[0]);

	wpFileName.Append(colon);

	wpFileName.Append(aFileName);

	if(!aDoOpen )

	   {

	   if ( SysUtil::DiskSpaceBelowCriticalLevelL( &aFs, KBytesToWrite, DriveInfo::EDefaultPhoneMemory ) )

	       {

	       User::Leave(KErrNoMemory);

	       }

	   }

    return CEikDocument::OpenFileL( aDoOpen, wpFileName, aFs );

    }

// End of File