// Copyright (c) 2007-2009 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 <e32base.h>

#include <e32def.h>

#include <e32property.h>

#include <e32debug.h>

#include "TPropertyManager.h"

_LIT(KSeparator, "|"); // Char used to separate arguments

_LIT(KPropertyManagerSrvName,"TPropertyManagerSrv");

_LIT(KPropertyManagerPanic,"TPropertyManager::SetProperty");

TInt PropertyManager::LaunchHelperProcess(TOperation aOperation,TDesC& aArgs)

	{

		TBuf<64> args;	

		args.AppendNum(aOperation);

		args.Append(KSeparator);

		args.Append(aArgs);

		// Property Manager Srv uid

		const TUid KSystemAgentExeUid = {0x10204FC5}; 

		const TUidType serverUid(KNullUid, KNullUid, KSystemAgentExeUid);

		RProcess server;

		TInt err = server.Create(KPropertyManagerSrvName, args, serverUid);

		if(err != KErrNone)

	        {

	        RDebug::Print(_L("Error Launching Property Manager..."));

			return err;

	        }

		RDebug::Print(_L("Property Manager Launched..."));

		TRequestStatus stat;

		server.Rendezvous(stat);

		if(stat != KRequestPending)

	        {

			server.Kill(0);		// abort startup

	        }

		else

	        {

			server.Resume();	// logon OK - start the server

	        }

		User::WaitForRequest(stat);		// wait for start or death

		// we can't use the 'exit reason' if the server panicked as this

		// is the panic 'reason' and may be '0' which cannot be distinguished

		// from KErrNone

		err = server.ExitType() == EExitPanic ? KErrGeneral : stat.Int();

		server.Close();

		RDebug::Print(_L("Property Manager Terminated..."));

		return err;

	}

EXPORT_C TInt PropertyManager::DefineProperty(TUid aCategory, TUint aKey, TInt aAttr,TInt aPreallocated)

	{	

	TBuf<64> args;

	args.AppendNum(aCategory.iUid);

	args.Append(KSeparator);

	args.AppendNum(aKey);

	args.Append(KSeparator);

	args.AppendNum(aAttr);

	args.Append(KSeparator);

	args.AppendNum(aPreallocated);

	return LaunchHelperProcess(EDefineProperty,args);

	}

EXPORT_C TInt PropertyManager::DeleteProperty(TUid aCategory, TUint aKey)

	{

	TBuf<64> args;

	args.AppendNum(aCategory.iUid);

	args.Append(KSeparator);

	args.AppendNum(aKey);

	return LaunchHelperProcess(EDeleteProperty,args);

	}

EXPORT_C TInt PropertyManager::SetProperty(TUid aCategory, TUint aKey, TInt aValue)

	{

	TBuf<64> args;

	args.AppendNum(aCategory.iUid);

	args.Append(KSeparator);

	args.AppendNum(aKey);

	args.Append(KSeparator);

	args.AppendNum(aValue);

	return LaunchHelperProcess(ESetPropertyInt,args);

	}

EXPORT_C TInt PropertyManager::SetProperty(TUid aCategory, TUint aKey, const TDesC8 &aValue)

	{

	TBuf<64> args;

	args.AppendNum(aCategory.iUid);

	args.Append(KSeparator);

	args.AppendNum(aKey);

	args.Append(KSeparator);

	//Need to check maximum length of this field....

	if((args.Size() + aValue.Size()) > args.MaxSize())

		{

		User::Panic(KPropertyManagerPanic,0);

		}

	//Convert the 8Bit descriptor into a 16 bit version

	TBuf<128> value;

	value.Copy(aValue);

	args.Append(value);

	return LaunchHelperProcess(ESetPropertyDes8,args);

	}

EXPORT_C TInt PropertyManager::SetProperty(TUid aCategory, TUint aKey, const TDesC16 &aValue)

	{	

	TBuf<64> args;

	args.AppendNum(aCategory.iUid);

	args.Append(KSeparator);

	args.AppendNum(aKey);

	args.Append(KSeparator);

	//Need to check maximum size of this field....

	if((args.Size() + aValue.Size()) < args.MaxSize())

		{

		User::Panic(KPropertyManagerPanic,0);

		}

	args.Append(aValue);

	return LaunchHelperProcess(ESetPropertyDes16,args);

	}