// 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);

 	}