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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

/**
 * This interface is implemented by nsIUrlClassifierHashCompleter clients.
 */
[scriptable, uuid(da16de40-df26-414d-bde7-c4faf4504868)]
interface nsIUrlClassifierHashCompleterCallback : nsISupports
{
  /**
   * A complete hash has been found that matches the partial hash.
   * This method may be called 0-n times for a given
   * nsIUrlClassifierCompleter::complete() call.
   *
   * @param hash
   *        The 128-bit hash that was discovered.
   * @param table
   *        The name of the table that this hash belongs to.
   * @param chunkId
   *        The database chunk that this hash belongs to.
   */
  void completion(in ACString hash,
                  in ACString table,
                  in uint32_t chunkId);

  /**
   * The completion is complete.  This method is called once per
   * nsIUrlClassifierCompleter::complete() call, after all completion()
   * calls are finished.
   *
   * @param status
   *        NS_OK if the request completed successfully, or an error code.
   */
  void completionFinished(in nsresult status);
};

/**
 * Clients updating the url-classifier database have the option of sending
 * partial (32-bit) hashes of URL fragments to be blacklisted.  If the
 * url-classifier encounters one of these truncated hashes, it will ask an
 * nsIUrlClassifierCompleter instance to asynchronously provide the complete
 * hash, along with some associated metadata.
 * This is only ever used for testing and should absolutely be deleted (I
 * think).
 */
[scriptable, uuid(ade9b72b-3562-44f5-aba6-e63246be53ae)]
interface nsIUrlClassifierHashCompleter : nsISupports
{
  /**
   * Request a completed hash.
   *
   * @param partialHash
   *        The 32-bit hash encountered by the url-classifier.
   * @param callback
   *        An nsIUrlClassifierCompleterCallback instance.
   */
  void complete(in ACString partialHash,
                in nsIUrlClassifierHashCompleterCallback callback);
  /**
   * The URL for the gethash request
   */
  attribute ACString gethashUrl;
};