/* -*- Mode: IDL; tab-width: 8; 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 the new Mozilla toolkit.
 *
 * The Initial Developer of the Original Code is
 * Benjamin Smedberg <bsmedberg@covad.net>
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either 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"

interface nsILocalFile;
interface nsIToolkitProfile;
interface nsIProfileUnlocker;

/**
 * Hold on to a profile lock. Once you release the last reference to this
 * interface, the profile lock is released.
 */
[scriptable, uuid(50e07b0a-f338-4da3-bcdb-f4bb0db94dbe)]
interface nsIProfileLock : nsISupports
{
    /**
     * The main profile directory.
     */
    readonly attribute nsILocalFile directory;
    
    /**
     * A directory corresponding to the main profile directory that exists for
     * the purpose of storing data on the local filesystem, including cache
     * files or other data files that may not represent critical user data.
     * (e.g., this directory may not be included as part of a backup scheme.)
     *
     * In some cases, this directory may just be the main profile directory.
     */
    readonly attribute nsILocalFile localDirectory;

    /**
     * The timestamp of an existing profile lock at lock time.
     */
    readonly attribute PRInt64 replacedLockTime;

    /**
     * Unlock the profile.
     */
    void unlock();
};

/**
 * A interface representing a profile.
 * @note THIS INTERFACE SHOULD BE IMPLEMENTED BY THE TOOLKIT CODE ONLY! DON'T
 *       EVEN THINK ABOUT IMPLEMENTING THIS IN JAVASCRIPT!
 */
[scriptable, uuid(7422b090-4a86-4407-972e-75468a625388)]
interface nsIToolkitProfile : nsISupports
{
    /**
     * The location of the profile directory.
     */
    readonly attribute nsILocalFile rootDir;

    /**
     * The location of the profile local directory, which may be the same as
     * the root directory.  See nsIProfileLock::localDirectory.
     */
    readonly attribute nsILocalFile localDir;

    /**
     * The name of the profile.
     */
    attribute AUTF8String name;

    /**
     * Removes the profile from the registry of profiles.
     *
     * @param removeFiles
     *        Indicates whether or not the profile directory should be
     *        removed in addition.
     */
    void remove(in boolean removeFiles);

    /**
     * Lock this profile using platform-specific locking methods.
     *
     * @param lockFile If locking fails, this may return a lockFile object
     *                 which can be used in platform-specific ways to
     *                 determine which process has the file locked. Null
     *                 may be passed.
     * @return An interface which holds a profile lock as long as you reference
     *         it.
     * @throws NS_ERROR_FILE_ACCESS_DENIED if the profile was already locked.
     */
    nsIProfileLock lock(out nsIProfileUnlocker aUnlocker);
};
