// 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 FILES

 #include <featmgr/featurecontrol.h>

 // LOCAL CONSTANTS AND MACROS

 _LIT(KTxt,"featureuninstaller: mainL failed");

 // ============================= LOCAL FUNCTIONS ===============================

 // -----------------------------------------------------------------------------

 // mainL

 // -----------------------------------------------------------------------------

 //  

 LOCAL_C void mainL()

 	{

 	// Connect Feature Control

 	RFeatureControl featureControl;

     User::LeaveIfError( featureControl.Open() );

     // Example code disables an existing feature.

     // Comment or uncomment code when needed. 

     // Specify in your .pkg file:

     // @"featureuninstaller.sisx", (0x10283304)

     //Replace UID 0x00000000 with real value

 	TUid featureUid( TUid::Uid( 0x00000000 ) ); 

     // Feature data is 32-bit quantity for client read and write. Feature data is

     // defined by owner of the feature and can contain for example flags, 

     // enumeratons and/or integers.

     // Set feature data. Replace <featureData> with real value!

     // Uncomment when needed!

     // TUint32 featureData( 0x00000000 );

 	// Inform feature manager that your executable is launched by the software installer (SWI)

     // and it wishes to set, add, delete, enable or disable features in feature manager. This

     // function must be called before any API calls by RFeatureControl that add, set, delete 

     // enable, or disable features so that changes in feature manager are cached to be rolled 

     // back if the installationhas user-aborted or failed. Otherwise, feature manipulations will

     // be committed directly into feature manager and will not be possible to undo them in the

     // case of abort.

     // A call to SWIStart must be accompanied by a call to SWIEnd after all API calls by

     // RFeatureControl functions that manipulate features.

 	User::LeaveIfError(featureControl.SWIStart()); 

     // Disable an existing feature.

     User::LeaveIfError( featureControl.DisableFeature( featureUid ) );

     // Inform feature manager that caching feature manipulations should stop and they should be 

     // committed to feature manager.

     // A call to this API should follow the call to SWIStart before any RFeatureControl API calls

     // that manipulate features to feature manager.

     User::LeaveIfError(featureControl.SWIEnd());

     // OR disable an exsiting feature and set feature data.

     // User::LeaveIfError( featureControl.SetFeature( featureUid, EFalse, featureData ) );

     featureControl.Close();

     }

 // ============================ MEMBER FUNCTIONS ===============================

 TInt E32Main() // main function called by E32

 	{

 	__UHEAP_MARK;

 	CTrapCleanup* cleanup=CTrapCleanup::New(); // get clean-up stack

 	TRAPD( error,mainL() ); // Run main method

 	__ASSERT_ALWAYS( !error,User::Panic(KTxt,error) );

 	delete cleanup; // destroy clean-up stack

 	__UHEAP_MARKEND;

 	return 0; // and return

 	}

 // End of file