// Copyright (c) 2004-2009 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:

//

#include <f32file.h>

#include <e32std.h>

#include <caf/attribute.h>

#include <caf/bitset.h>

#include <caf/content.h>

#include <caf/data.h>

using namespace ContentAccess;

#include <f32file.h>

#include "FileAccess.h"

CF32File::~CF32File()

	{

	if (!iFileHandle)

		iFile.Close();

	delete iFilePath;

	}

CF32File* CF32File::NewL(RFs& aSession, TDesC& aFilePath, TUint aMode) 

	{

	CF32File* self = new (ELeave) CF32File;

	CleanupStack::PushL(self);

	self->ConstructL(aSession, aFilePath, aMode);

	CleanupStack::Pop(self);

	return self;

	}

void CF32File::ConstructL(RFs& aSession, TDesC& aPath, TUint aFileMode)

	{

	iSession = &aSession;

	iFilePath = aPath.AllocL();

	TUint attributes = 0;

	TInt err = iSession->Att(*iFilePath, attributes);

	if (err == KErrNone)

		{

		if ( attributes & KEntryAttReadOnly )

			User::LeaveIfError(iFile.Open(*iSession, *iFilePath, EFileShareReadersOnly )) ;

		else //if ( !( attributes & KEntryAttReadOnly ) )

			User::LeaveIfError(iFile.Open(*iSession, *iFilePath, aFileMode)) ;

		}

	else if ((err == KErrNotFound) && (aFileMode & EFileWrite))

		{

		User::LeaveIfError(iFile.Create(*iSession, *iFilePath, aFileMode )) ;

		}

	else

		{

		User::Leave(err);

		}

	}

RFile& CF32File::FileL() 

	{

	return iFile;

	}

TInt CF32File::Data(CData*& /*aData*/)

	{

	return KErrNotSupported;

	}

TInt CF32File::Seek(TSeek aSeekMode, TInt aPos)

	{

	return iFile.Seek(aSeekMode, aPos);

	}

TInt CF32File::Read(TDes8& aDes,TInt aLength)

	{

	return iFile.Read(aDes, aLength);

	}

void CF32File::Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus)

	{

	iFile.Read(aDes, aLength, aStatus);

	}

TInt CF32File::Write(const TDesC8& aDes,TInt aLength)

	{

	return iFile.Write(aDes, aLength);

	}

void CF32File::Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus)

	{

	iFile.Write(aDes, aLength, aStatus);

	}

TInt CF32File::Size(TInt& aSize)

	{

	return iFile.Size(aSize);

	}

TInt CF32File::SetSize(TInt aSize)	

	{

	TInt err =  iFile.SetSize(aSize);

	if(err == KErrNone)

		iFileSize = aSize;

	else

		iFileSize = -1;

	return err;

	}

TInt CF32File::EvaluateIntent(TIntent /*aIntent*/) const

	{

	return KErrNone;

	}

TInt CF32File::ExecuteIntent(TIntent /*aIntent*/)

	{

	return KErrNone;

	}

TBool CF32File::IsProtected() const

	{

	return EFalse;

	}

TInt CF32File::Read(TInt aPosition, TDes8& aDes, TInt aLength, TRequestStatus& aStatus)

	{

	iFile.Read(aPosition, aDes, aLength, aStatus);

	return KErrNone;

	}

TInt CF32File::SetAgentProperty(TAgentProperty /*aProperty*/, TInt /*aValue*/)

	{

	// not an error to set this if not supported, just wont do anything

	return KErrNone;

	}

CContentFile::~CContentFile()

	{

	delete iData;

	if (iLegacyFileOpen)

		iLegacyFile.Close();

	delete iFilePath;

	}

CContentFile* CContentFile::NewL(RFs& aSession, const TDesC& aFilePath, const TDesC& aUniqueId, TUint aMode, TBool aEnableUI) 

	{

	CContentFile* self = new (ELeave) CContentFile;

	CleanupStack::PushL(self);

	self->ConstructL(aSession, aFilePath, aUniqueId, aMode, aEnableUI);

	CleanupStack::Pop(self);

	return self;

	}

void CContentFile::ConstructL(RFs& aSession, const TDesC& aPath, const TDesC& aUniqueId, TUint /*aMode*/, TBool aEnableUI)

	{

	iSession = &aSession;

	iFilePath = aPath.AllocL();

	// Assume that we want the content to be shared and read-only.

	if (aUniqueId.Length() > 0)

		{

		iData = CData::NewL(TVirtualPathPtr(*iFilePath, aUniqueId), EContentShareReadWrite);

		}

	else

		{

		iData = CData::NewL(TVirtualPathPtr(*iFilePath), EContentShareReadWrite);

		}

	TInt err = iData->SetProperty(EAgentPropertyAgentUI, aEnableUI);

	if (err != KErrNone && err != KErrCANotSupported)

		{

		User::Leave(err);

		}

	User::LeaveIfError(iData->EvaluateIntent(EPeek));

	}

TInt CContentFile::EvaluateIntent(TIntent aIntent) const

	{

	ASSERT(iData);

	return iData->EvaluateIntent(aIntent);

	}

TInt CContentFile::ExecuteIntent(TIntent aIntent)

	{

	ASSERT(iData);

	return iData->ExecuteIntent(aIntent);

	}

TBool CContentFile::IsProtected() const

	{

	ASSERT(iData);

	TInt value = 0;

	TInt err =iData->GetAttribute(EIsProtected, value);

	return (err == KErrNone && value);

	}

TInt CContentFile::SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue)

	{

	ASSERT(iData);

	return iData->SetProperty(aProperty, aValue);

	}

TInt CContentFile::Seek(TSeek aSeekMode, TInt aPos)

	{

	ASSERT(iData);

	return iData->Seek(aSeekMode, aPos);

	}

TInt CContentFile::Read(TDes8& aDes,TInt aLength)

	{

	ASSERT(iData);

	return iData->Read(aDes,aLength);

	}

void CContentFile::Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus)

	{

	ASSERT(iData);

	iData->Read(aDes, aLength, aStatus);

	}

TInt CContentFile::Write(const TDesC8& /*aDes*/,TInt /*aLength*/)

	{

	return KErrAccessDenied;

	}

void CContentFile::Write(const TDesC8& /*aDes*/, TInt /*aLength*/, TRequestStatus& aStatus)

	{

	TRequestStatus* status = &aStatus;

	User::RequestComplete(status, KErrAccessDenied);

	}

TInt CContentFile::SetSize(TInt /*aSize*/)

	{

	// Only a source is implemented, hence this cannot be allowed

	return KErrAccessDenied;

	}

// Get the size of file

// this method opens a new, read-only, RFile the first time this method is called

TInt CContentFile::Size(TInt& aSize)

	{

	ASSERT(iData);

	TRAPD(err, iData->DataSizeL(aSize));

	return err;

	}

/**

 * return a RFile for the legacy RFile method

 * this method opens a new, read-only, RFile the first time this method is called

 * @internalTechnology

 * @return Reference to RFile handle to current file

 */

RFile& CContentFile::FileL() 

	{

	if (!iLegacyFileOpen)

		{

  		User::LeaveIfError(iLegacyFile.Open(*iSession, *iFilePath, EFileRead | EFileStream | EFileShareReadersOrWriters));

		iLegacyFileOpen = ETrue;

		}

	return iLegacyFile;

	}

TInt CContentFile::Data(CData*& aData)

	{

	if (iData==NULL)

		{

		return KErrNotReady;

		}

	else

		{

		aData = iData;

		return KErrNone;

		}

	}

CF32File* CF32File::NewL(RFile& aFile) 

	{

	CF32File* self = new (ELeave) CF32File;

	CleanupStack::PushL(self);

	self->ConstructL(aFile);

	CleanupStack::Pop(self);

	return self;

	}

void CF32File::ConstructL(RFile& aFile)

	{

	iFile = aFile;

	iFileHandle = ETrue;

	}

CContentFile* CContentFile::NewL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI) 

	{

	CContentFile* self = new (ELeave) CContentFile;

	CleanupStack::PushL(self);

	self->ConstructL(aFile, aUniqueId, aEnableUI);

	CleanupStack::Pop(self);

	return self;

	}

void CContentFile::ConstructL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI)

	{

	iData = CData::NewL(aFile, aUniqueId);

	TInt err = iData->SetProperty(EAgentPropertyAgentUI, aEnableUI);

	if (err != KErrNone && err != KErrCANotSupported)

		{

		User::Leave(err);

		}

	User::LeaveIfError(iData->EvaluateIntent(EPeek));

	}

TInt CContentFile::Read(TInt aPosition, TDes8& aDes, TInt aLength, TRequestStatus& aStatus)

	{

	return iData->Read(aPosition, aDes, aLength, aStatus);

	}