/*
* Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "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: 
* This file implements the SifUtils library
*
*/


#include <usif/scr/scr.h>
#include <usif/sts/sts.h>
#include "sifutils.h"
#include "scr_internal.h"

EXPORT_C void Usif::UninstallL(TComponentId aComponentId)
	{
	// Connect to the SCR and start a transaction
	RSoftwareComponentRegistry scr;
	User::LeaveIfError(scr.Connect());
	CleanupClosePushL(scr);
	scr.CreateTransactionL();
		// Connect to the STS and start a transaction
	RStsSession sts;
	sts.CreateTransactionL();
	CleanupClosePushL(sts);
		// Get a list of files to be deleted
	RSoftwareComponentRegistryFilesList fileList;
	fileList.OpenListL(scr, aComponentId);
	CleanupClosePushL(fileList);
		// Unregister and delete the files from iFileList
	HBufC* file = NULL;
	while ((file = fileList.NextFileL()) != NULL)
		{
		CleanupStack::PushL(file);
		sts.RemoveL(*file);
		CleanupStack::PopAndDestroy(file);
		}
	CleanupStack::PopAndDestroy(&fileList);
	
	// Delete the component from the SCR
	scr.DeleteComponentL(aComponentId);

	// Commit the STS & SCR transactions
	sts.CommitL();
	scr.CommitTransactionL();
	CleanupStack::PopAndDestroy(2, &scr);
	}
	
EXPORT_C TUid Usif::GenerateNewAppUidL()
    {
    // Connect to SCR using the internal client.
    RScrInternalClient scr;
    User::LeaveIfError(scr.Connect());
    CleanupClosePushL(scr);
    
	//Request for an unused UID.
    TUid generatedUid = scr.GenerateNewAppUidL();
    
    CleanupStack::PopAndDestroy(&scr);
    return generatedUid;
}