/* -*- 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):
 *
 * 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
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 * ***** END LICENSE BLOCK ***** */

#include "nspluginroot.idl"
#include "nsISupports.idl"
#include "nsIPluginTag.idl"

%{C++
#define MOZ_PLUGIN_HOST_CONTRACTID \
  "@mozilla.org/plugin/host;1"
%}

[scriptable, uuid(28F1F9E1-CD23-4FE2-BCC8-BBB0B2D49A4A)]
interface nsIPluginHost : nsISupports
{
  /**
   * Causes the plugins directory to be searched again for new plugin 
   * libraries.
   *
   * @param reloadPages - indicates whether currently visible pages should 
   * also be reloaded
   */
  void reloadPlugins(in boolean reloadPages);

  void getPluginTags([optional] out unsigned long aPluginCount,
    [retval, array, size_is(aPluginCount)] out nsIPluginTag aResults);

  /*
   * Flags for use with clearSiteData.
   *
   * FLAG_CLEAR_ALL: clear all data associated with a site.
   * FLAG_CLEAR_CACHE: clear cached data that can be retrieved again without
   *                   loss of functionality. To be used out of concern for
   *                   space and not necessarily privacy.
   */
  const PRUint32 FLAG_CLEAR_ALL = 0;
  const PRUint32 FLAG_CLEAR_CACHE = 1;

  /*
   * Clear site data for a given plugin.
   *
   * @param plugin: the plugin to clear data for, such as one returned by
   *                nsIPluginHost.getPluginTags.
   * @param domain: the domain to clear data for. If this argument is null,
   *                clear data for all domains. Otherwise, it must be a domain
   *                only (not a complete URI or IRI). The base domain for the
   *                given site will be determined; any data for the base domain
   *                or its subdomains will be cleared.
   * @param flags: a flag value defined above.
   * @param maxAge: the maximum age in seconds of data to clear, inclusive. If
   *                maxAge is 0, no data is cleared; if it is -1, all data is
   *                cleared.
   *
   * @throws NS_ERROR_INVALID_ARG if the domain argument is malformed.
   * @throws NS_ERROR_PLUGIN_TIME_RANGE_NOT_SUPPORTED if maxAge is a value other
   *         than -1 and the plugin does not support clearing by timerange in
   *         general or for that particular site and/or flag combination.
   */
  void clearSiteData(in nsIPluginTag plugin, in AUTF8String domain,
                     in PRUint64 flags, in PRInt64 maxAge);

  /*
   * Determine if a plugin has stored data for a given site.
   *
   * @param plugin: the plugin to query, such as one returned by
   *                nsIPluginHost.getPluginTags.
   * @param domain: the domain to test. If this argument is null, test if data
   *                is stored for any site. The base domain for the given domain
   *                will be determined; if any data for the base domain or its
   *                subdomains is found, return true.
   */
  boolean siteHasData(in nsIPluginTag plugin, in AUTF8String domain);
};