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/* ***** 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
 * Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Jim Mathies <jmathies@mozilla.com>.
 *
 * 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 "nsISupports.idl"

interface nsIURI;
interface nsIFile;
interface nsIInterfaceRequestor;
interface nsIArray;

[scriptable, uuid(871cf229-2b21-4f04-b24d-e08061f14815)]
interface nsIParentalControlsService : nsISupports
{
  /**
   * @returns true if the current user account has parental controls
   * restrictions enabled.
   */ 
  readonly attribute boolean parentalControlsEnabled;

  /**
   * @returns true if the current user account parental controls
   * restrictions include the blocking of all file downloads.
   */ 
  readonly attribute boolean blockFileDownloadsEnabled;

  /**
   * Request that blocked URI(s) be allowed through parental
   * control filters. Returns true if the URI was successfully
   * overriden. Note, may block while native UI is shown.
   *
   * @param aTarget(s)          URI to be overridden. In the case of
   *                            multiple URI, the first URI in the array
   *                            should be the root URI of the site.
   * @param window              Window that generates the event.
   */
  boolean requestURIOverride(in nsIURI aTarget, [optional] in nsIInterfaceRequestor aWindowContext);
  boolean requestURIOverrides(in nsIArray aTargets, [optional] in nsIInterfaceRequestor aWindowContext);

  /**
   * @returns true if the current user account has parental controls
   * logging enabled. If true, applications should log relevent events
   * using 'log'.
   */ 
  readonly attribute boolean loggingEnabled;

  /**
   * Log entry types. Additional types can be defined and implemented
   * as needed. Other possible event types might include email events,
   * media related events, and IM events. 
   */
  const short ePCLog_URIVisit = 1;    /* Web content */
  const short ePCLog_FileDownload = 2;  /* File downloads */

  /**
   * Log an application specific parental controls
   * event.
   *
   * @param aEntryType       Constant defining the type of event.
   * @param aFlag            A flag indicating if the subject content
   *                         was blocked.
   * @param aSource          The URI source of the subject content.
   * @param aTarget          The location the content was saved to if
   *                         no blocking occured.
   */
  void log(in short aEntryType, in boolean aFlag, in nsIURI aSource, [optional] in nsIFile aTarget);
};