/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla 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/MPL/
 *
 * 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 the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Simon Bünzli <zeniko@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"
#include "nsIConsoleListener.idl"
#include "nsIConsoleMessage.idl"

[scriptable, uuid(a647f184-1dd1-11b2-a9d1-8537b201161b)]
interface nsIConsoleService : nsISupports
{
    void logMessage(in nsIConsoleMessage message);

    /**
     * Convenience method for logging simple messages.
     */
    void logStringMessage(in wstring message);

    /**
     * Get an array of all the messages logged so far.  If no messages
     * are logged, this function will return a count of 0, but still
     * will allocate one word for messages, so as to show up as a
     * 0-length array when called from script.
     */
    void getMessageArray([array, size_is(count)] out nsIConsoleMessage messages,
                         out PRUint32 count);

    /**
     * To guard against stack overflows from listeners that could log
     * messages (it's easy to do this inadvertently from listeners
     * implemented in JavaScript), we don't call any listeners when
     * another error is already being logged.
     */
    void registerListener(in nsIConsoleListener listener);

    /**
     * Each registered listener should also be unregistered.
     */
    void unregisterListener(in nsIConsoleListener listener);
};

/**
 * Temporary interface for Gecko 1.8.1.
 *
 * @status TEMPORARY
 */
[scriptable, uuid(3c3f3e30-ebd5-11da-8ad9-0800200c9a66)]
interface nsIConsoleService_MOZILLA_1_8_BRANCH : nsIConsoleService
{
    /**
     * Clear the message buffer (e.g. for privacy reasons).
     */
    void reset();
};


%{ C++
#define NS_CONSOLESERVICE_CLASSNAME "Console Service"

#define NS_CONSOLESERVICE_CID \
{ 0x7e3ff85c, 0x1dd2, 0x11b2, { 0x8d, 0x4b, 0xeb, 0x45, 0x2c, 0xb0, 0xff, 0x40 }}

#define NS_CONSOLESERVICE_CONTRACTID "@mozilla.org/consoleservice;1"
%}

