/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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"

interface nsIFile;
interface nsIURI;
interface mozIPersonalDictionary;

/**
 * This interface represents a SpellChecker.
 */
[scriptable, uuid(8ba643a4-7ddc-4662-b976-7ec123843f10)]
interface mozISpellCheckingEngine : nsISupports {
  /**
   * The names of the dictionaries currently used. These are either values
   * from getDictionaryList or the empty array if no dictionary is selected.
   * Setting this attribute to contain a value not in getDictionaryList will
   * throw NS_ERROR_FILE_NOT_FOUND.
   *
   * If the dictionaries are changed to no dictionary (the empty array), an
   * observer is allowed to set another dictionary before it returns.
   */
  attribute Array<ACString> dictionaries;

  /**
   * the personal dictionary
   */
  attribute mozIPersonalDictionary personalDictionary;

  /**
   * Get the list of dictionaries
   */
  Array<ACString> getDictionaryList();

  /**
   * check a word
   */
  boolean check(in AString word);

  /**
   * get a list of suggestions for a misspelled word
   */
  Array<AString> suggest(in AString word);

  /**
   * Load dictionaries from the specified dir
   */
  void loadDictionariesFromDir(in nsIFile dir);

  /**
   * Add dictionaries from a directory to the spell checker
   */
  void addDirectory(in nsIFile dir);

  /**
   * Remove dictionaries from a directory from the spell checker
   */
  void removeDirectory(in nsIFile dir);

  /**
   * Add a dictionary with the given language code and source URI. The URI
   * must point to an affix file, with the ".aff" extension. The word list
   * file must be in the same directory, with the same base name, and the
   * ".dic" extension.
   */
  void addDictionary(in AString lang, in nsIURI file);

  /**
   * Remove a dictionary with the given language code and path. If the path does
   * not match that of the current entry with the given language code, it is not
   * removed.
   *
   * @returns True if the dictionary was found and removed.
   */
  boolean removeDictionary(in AString lang, in nsIURI file);
};

%{C++
#define SPELLCHECK_DICTIONARY_REMOVE_NOTIFICATION \
  "spellcheck-dictionary-remove"
%}