/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1999-2000 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 * Norris Boyd
 * Mitch Stoltz
 */

/* Defines the abstract interface for a principal. */

#include "nsISupports.idl"

%{C++
struct JSPrincipals;
%}

interface nsIPref;

[ptr] native JSPrincipals(JSPrincipals);

[uuid(ff9313d0-25e1-11d2-8160-006008119d7a)]
interface nsIPrincipal : nsISupports {

	// Values of capabilities for each principal. Order is
	// significant: if an operation is performed on a set
	// of capabilities, the minimum is computed.
	const short ENABLE_DENIED				 = 1;
	const short ENABLE_UNKNOWN               = 2;
	const short ENABLE_WITH_USER_PERMISSION  = 3;
	const short ENABLE_GRANTED				 = 4;

	string ToString();

	string ToUserVisibleString();

    void GetPreferences(out string prefName, out string id, 
                        out string grantedList, out string deniedList);

	boolean Equals(in nsIPrincipal other);

	unsigned long HashValue();

	JSPrincipals GetJSPrincipals();

    short CanEnableCapability(in string capability);

    void SetCanEnableCapability(in string capability, in short canEnable);

    boolean IsCapabilityEnabled(in string capability, in voidPtr annotation);
	
	void EnableCapability(in string capability, inout voidPtr annotation);

    void RevertCapability(in string capability, inout voidPtr annotation);

    void DisableCapability(in string capability, inout voidPtr annotation);
};