sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <e32def.h>
sl@0: #include <e32property.h>
sl@0: #include <e32debug.h>
sl@0: #include "TPropertyManager.h"
sl@0: 
sl@0: _LIT(KSeparator, "|"); // Char used to separate arguments
sl@0: _LIT(KPropertyManagerSrvName,"TPropertyManagerSrv");
sl@0: _LIT(KPropertyManagerPanic,"TPropertyManager::SetProperty");
sl@0: 
sl@0: TInt PropertyManager::LaunchHelperProcess(TOperation aOperation,TDesC& aArgs)
sl@0: 	{
sl@0: 		TBuf<64> args;	
sl@0: 		args.AppendNum(aOperation);
sl@0: 		args.Append(KSeparator);
sl@0: 		args.Append(aArgs);
sl@0: 		
sl@0: 		// Property Manager Srv uid
sl@0: 		const TUid KSystemAgentExeUid = {0x10204FC5}; 
sl@0: 		const TUidType serverUid(KNullUid, KNullUid, KSystemAgentExeUid);
sl@0: 		RProcess server;
sl@0: 		TInt err = server.Create(KPropertyManagerSrvName, args, serverUid);
sl@0: 		if(err != KErrNone)
sl@0: 	        {
sl@0: 	        RDebug::Print(_L("Error Launching Property Manager..."));
sl@0: 			return err;
sl@0: 	        }
sl@0: 		
sl@0: 		RDebug::Print(_L("Property Manager Launched..."));
sl@0: 		TRequestStatus stat;
sl@0: 		server.Rendezvous(stat);
sl@0: 		if(stat != KRequestPending)
sl@0: 	        {
sl@0: 			server.Kill(0);		// abort startup
sl@0: 	        }
sl@0: 		else
sl@0: 	        {
sl@0: 			server.Resume();	// logon OK - start the server
sl@0: 	        }
sl@0: 		User::WaitForRequest(stat);		// wait for start or death
sl@0: 		// we can't use the 'exit reason' if the server panicked as this
sl@0: 		// is the panic 'reason' and may be '0' which cannot be distinguished
sl@0: 		// from KErrNone
sl@0: 		err = server.ExitType() == EExitPanic ? KErrGeneral : stat.Int();
sl@0: 		server.Close();
sl@0: 		
sl@0: 		RDebug::Print(_L("Property Manager Terminated..."));
sl@0: 		return err;
sl@0: 
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt PropertyManager::DefineProperty(TUid aCategory, TUint aKey, TInt aAttr,TInt aPreallocated)
sl@0: 	{	
sl@0: 	TBuf<64> args;
sl@0: 	args.AppendNum(aCategory.iUid);
sl@0: 	args.Append(KSeparator);
sl@0: 	args.AppendNum(aKey);
sl@0: 	args.Append(KSeparator);
sl@0: 	args.AppendNum(aAttr);
sl@0: 	args.Append(KSeparator);
sl@0: 	args.AppendNum(aPreallocated);
sl@0: 	
sl@0: 	return LaunchHelperProcess(EDefineProperty,args);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt PropertyManager::DeleteProperty(TUid aCategory, TUint aKey)
sl@0: 	{
sl@0: 	TBuf<64> args;
sl@0: 	args.AppendNum(aCategory.iUid);
sl@0: 	args.Append(KSeparator);
sl@0: 	args.AppendNum(aKey);
sl@0: 	
sl@0: 	return LaunchHelperProcess(EDeleteProperty,args);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt PropertyManager::SetProperty(TUid aCategory, TUint aKey, TInt aValue)
sl@0: 	{
sl@0: 	TBuf<64> args;
sl@0: 	args.AppendNum(aCategory.iUid);
sl@0: 	args.Append(KSeparator);
sl@0: 	args.AppendNum(aKey);
sl@0: 	args.Append(KSeparator);
sl@0: 	args.AppendNum(aValue);
sl@0: 	
sl@0: 	return LaunchHelperProcess(ESetPropertyInt,args);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt PropertyManager::SetProperty(TUid aCategory, TUint aKey, const TDesC8 &aValue)
sl@0: 	{
sl@0: 	TBuf<64> args;
sl@0: 	args.AppendNum(aCategory.iUid);
sl@0: 	args.Append(KSeparator);
sl@0: 	args.AppendNum(aKey);
sl@0: 	args.Append(KSeparator);
sl@0: 	
sl@0: 	//Need to check maximum length of this field....
sl@0: 	if((args.Size() + aValue.Size()) > args.MaxSize())
sl@0: 		{
sl@0: 		User::Panic(KPropertyManagerPanic,0);
sl@0: 		}
sl@0: 	
sl@0: 	//Convert the 8Bit descriptor into a 16 bit version
sl@0: 	TBuf<128> value;
sl@0: 	value.Copy(aValue);
sl@0: 	args.Append(value);
sl@0: 	
sl@0: 	return LaunchHelperProcess(ESetPropertyDes8,args);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt PropertyManager::SetProperty(TUid aCategory, TUint aKey, const TDesC16 &aValue)
sl@0: 	{	
sl@0: 	TBuf<64> args;
sl@0: 	args.AppendNum(aCategory.iUid);
sl@0: 	args.Append(KSeparator);
sl@0: 	args.AppendNum(aKey);
sl@0: 	args.Append(KSeparator);
sl@0: 	
sl@0: 	//Need to check maximum size of this field....
sl@0: 	if((args.Size() + aValue.Size()) < args.MaxSize())
sl@0: 		{
sl@0: 		User::Panic(KPropertyManagerPanic,0);
sl@0: 		}
sl@0: 
sl@0: 	args.Append(aValue);
sl@0: 	
sl@0: 	return LaunchHelperProcess(ESetPropertyDes16,args);
sl@0: 	}