// Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// 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 a helper class for process security management

// 

//

#include <e32base.h>

#include <e32base_private.h>

// Required for logging

#include <rm_debug_api.h>

#include "c_process_pair.h"

#include "rm_debug_logging.h"

CProcessPair* CProcessPair::NewL(const TDesC& aProcessName, const TProcessId aProcessId)

	{

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

	CleanupStack::PushL(self);

	self->ConstructL(aProcessName, aProcessId);

	CleanupStack::Pop(self);

	return self;

	}

void CProcessPair::ConstructL(const TDesC& aProcessName, const TProcessId aProcessId)

	{

	//allocate the process name buffer and fill with aProcessName

	iProcessName = aProcessName.Alloc();

	if(iProcessName == NULL)

		User::Leave(KErrNoMemory);

	LOG_MSG2( "CProcessPair::ConstructL() process name: %S", &TPtr8((TUint8*)iProcessName->Ptr(), 2*iProcessName->Length(), 2*iProcessName->Length()) );

	//set process id

	iProcessId = aProcessId;

	}

CProcessPair::CProcessPair(): 

        iProcessName(NULL)

	{

	}

CProcessPair::~CProcessPair()

	{

	delete iProcessName;

	}

/**

Check whether two CProcessPair objects are equal

@param aProcessPair a CProcessPair object to match with this one

@return 0 if process ids and names do not match, non-zero if they do

*/

TBool CProcessPair::operator==(const CProcessPair &aProcessPair) const

	{

	return Equals(*aProcessPair.iProcessName, aProcessPair.iProcessId);

	}

/**

Check whether this CProcessPair object has these values set

@param aProcessName process name to check

@param aProcessId process id to check

@return 0 if process ids and names do not match, non-zero if they do

*/

TBool CProcessPair::Equals(const TDesC& aProcessName, const TProcessId aProcessId) const

	{

	return (ProcessIdMatches(aProcessId) && (ProcessNameMatches(aProcessName)));

	}

/**

Check whether the process ids of two objects match

@param aProcessPair a CProcessPair object to compare with this one

@return 0 if process ids do not match, non-zero if they do

*/

TBool CProcessPair::ProcessIdMatches(const CProcessPair &aProcessPair) const

	{

	return ProcessIdMatches(aProcessPair.iProcessId);

	}

/**

Check whether two process ids match

@param aProcessId a process ID to compare with this pair's process ID

@return 0 if process ids do not match, non-zero if they do

*/

TBool CProcessPair::ProcessIdMatches(const TProcessId &aProcessId) const

	{

	return iProcessId == aProcessId;

	}

/**

Check whether the process names of two objects match in-case-sensitively

@param aProcessPair a CProcessPair object to compare with this one

@return 0 if process names do not match, non-zero if they do

*/

TBool CProcessPair::ProcessNameMatches(const CProcessPair &aProcessPair) const

	{

	return ProcessNameMatches(*aProcessPair.iProcessName);

	}

/**

Check whether two strings match in-case-sensitively

@param aProcessName a process name to compare with this pair's process name

@return 0 if process names do not match, non-zero if they do

*/

TBool CProcessPair::ProcessNameMatches(const TDesC& aProcessName) const

	{

	return iProcessName->CompareF(aProcessName) == 0;

	}