/*

* Copyright (c) 2010 Kanrikogaku Kenkyusho, Ltd.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:

* Kanrikogaku Kenkyusho, Ltd. - Initial contribution

*

* Contributors:

*

* Description:  

*

*/

// INCLUDE FILES

#include <eikenv.h>

#include <f32file.h>

#include <xmlengelement.h>

#include <xmlengattr.h>

#include <xmlengnodelist.h>

#include "DirectPrintModel.h"

#include "directprintprinterinforeader.h"

CDirectPrintPrinterInfoReader::CDirectPrintPrinterInfoReader(CDirectPrintModel& aModel)

	: iModel(aModel)

	{

	}

CDirectPrintPrinterInfoReader::~CDirectPrintPrinterInfoReader()

	{

	if (iXmlEngDoc.NotNull()) 

		{

		iXmlEngDoc.Close();

		iXmlParser.Close();

		iXmlDomImpl.Close();

		}

	}

CDirectPrintPrinterInfoReader* CDirectPrintPrinterInfoReader::NewL(CDirectPrintModel& aModel)

	{

	CDirectPrintPrinterInfoReader* self = CDirectPrintPrinterInfoReader::NewLC(aModel);

	CleanupStack::Pop(self);

	return self;

	}

CDirectPrintPrinterInfoReader* CDirectPrintPrinterInfoReader::NewLC(CDirectPrintModel& aModel)

	{

	CDirectPrintPrinterInfoReader* self = new(ELeave) CDirectPrintPrinterInfoReader(aModel);

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}

void CDirectPrintPrinterInfoReader::ConstructL()

	{

	iXmlDomImpl.OpenL();

	TInt err = iXmlParser.Open(iXmlDomImpl);

	User::LeaveIfError(err);

	}

void CDirectPrintPrinterInfoReader::ReadPrinterInfoL()

	{

	TDirectPrintPrinterData printer;

	iModel.GetPrinterDataL(0, printer);

	_LIT( KFilePath, "c:\\printers\\*.xml");

	_LIT( KFilePathFormat, "c:\\printers\\%S");

	CDir* fileList;

	const TUint KMask = KEntryAttNormal|KEntryAttReadOnly|KEntryAttHidden|KEntryAttSystem;

	User::LeaveIfError(CEikonEnv::Static()->FsSession().GetDir(KFilePath, KMask, ESortByName, fileList));

	CleanupStack::PushL(fileList);

	TInt count = fileList->Count();

	for (TInt i=0; i<count; i++)

		{

		TFileName filename;

		filename.Format(KFilePathFormat, &(*fileList)[i].iName);

		ReadXmlDataL(filename);

		// Check XML file for current printer driver

		if (CheckManufactureL(printer.iDriverName))

			{

			break;

			}

		else

			{

		    iXmlEngDoc.Close();

			}

		}

	CleanupStack::PopAndDestroy(); // fileList

	}

void CDirectPrintPrinterInfoReader::GetManufactureL(TDes& aManufacture)

	{

	if (iXmlEngDoc.NotNull()) 

		{

		_LIT8(KElementManufacture, "Manufacture");

		TXmlEngElement element = iXmlEngDoc.DocumentElement().FirstChild().AsElement();

		while (element.NotNull())

			{

			TBuf<50> elementName;

			elementName.Copy(element.Name());

			if (element.Name().CompareF(KElementManufacture()) == 0)

				{

				aManufacture.Copy(element.Value());

				break;

				}

			element = element.NextSibling().AsElement();

			}

		}

	}

TUid CDirectPrintPrinterInfoReader::GetDriverL(TDesC& aId)

	{

	TUint uidValue = 0;

	if (iXmlEngDoc.NotNull()) 

		{

		_LIT8(KElementPrinters, "Printers");

		_LIT8(KElementPrinter, "Printer");

		_LIT8(KElementDriver, "Driver");

		_LIT8(KAttributeId, "id");

		TXmlEngElement element = iXmlEngDoc.DocumentElement().FirstChild().AsElement();

		while (element.NotNull())

			{

			TBuf<50> elementName;

			elementName.Copy(element.Name());

			if (element.Name().CompareF(KElementPrinters()) == 0)

				{

				element = element.FirstChild().AsElement();

				}

			else if (element.Name().CompareF(KElementPrinter()) == 0)

				{

				TBool next = EFalse;

				TBuf<50> attrValue;

				TXmlEngAttr attr = element.AttributeNodeL(KAttributeId);

				attrValue.Copy(attr.Value());

				if (aId.CompareF(attrValue) == 0)

					{

					element = element.FirstChild().AsElement();

					next = ETrue;

					}

				if (!next)

					{

					element = element.NextSibling().AsElement();

					}

				}

			else if (element.Name().CompareF(KElementDriver()) == 0)

				{

				TLex8 lex(element.Value());

				lex.Val(uidValue, EHex);

				break;

				}

			else

				{

				element = element.NextSibling().AsElement();

				}

			}

		}

	return TUid::Uid(uidValue);

	}

TUid CDirectPrintPrinterInfoReader::GetSettingUIPluginL(TDesC& aId)

	{

	TUint uidValue = 0;

	if (iXmlEngDoc.NotNull()) 

		{

		_LIT8(KElementPrinters, "Printers");

		_LIT8(KElementPrinter, "Printer");

		_LIT8(KElementSettingUIPlugin, "SettingUIPlugin");

		_LIT8(KAttributeId, "id");

		TXmlEngElement element = iXmlEngDoc.DocumentElement().FirstChild().AsElement();

		while (element.NotNull())

			{

			if (element.Name().CompareF(KElementPrinters()) == 0)

				{

				element = element.FirstChild().AsElement();

				}

			else if (element.Name().CompareF(KElementPrinter()) == 0)

				{

				TBool next = EFalse;

				TBuf<50> attrValue;

				TXmlEngAttr attr = element.AttributeNodeL(KAttributeId);

				attrValue.Copy(attr.Value());

				if (aId.CompareF(attrValue) == 0)

					{

					element = element.FirstChild().AsElement();

					next = ETrue;

					}

				if (!next)

					{

					element = element.NextSibling().AsElement();

					}

				}

			else if (element.Name().CompareF(KElementSettingUIPlugin()) == 0)

				{

				TLex8 lex(element.Value());

				lex.Val(uidValue, EHex);

				break;

				}

			element = element.NextSibling().AsElement();

			}

		}

	return TUid::Uid(uidValue);

	}

void CDirectPrintPrinterInfoReader::ReadXmlDataL(const TDesC& aFilename)

	{

	if (iXmlEngDoc.NotNull()) 

		{

		iXmlEngDoc.Close();

		}

	iXmlEngDoc = iXmlParser.ParseFileL(aFilename);

	}

TBool CDirectPrintPrinterInfoReader::CheckManufactureL(const TDesC& aParam)

	{

	TBool res = EFalse;

	TBuf<50> buf;

	GetManufactureL(buf);

	if (aParam.Compare(buf) == 0)

		{

		res = ETrue;

		}

	return res;

	}