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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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):
 *   Brett Wilson <brettw@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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 nsIEditor;
interface nsITextServicesFilter;

[scriptable, uuid(6088a862-1229-11d9-941d-c035b2e390c6)]
interface nsIEditorSpellCheck : nsISupports
{

  /**
   * Turns on the spell checker for the given editor. enableSelectionChecking
   * set means that we only want to check the current selection in the editor,
   * (this controls the behavior of GetNextMisspelledWord). For inline
   * spellchecking, we don't care about this.
   */
  void          InitSpellChecker(in nsIEditor editor, in boolean enableSelectionChecking);

  /**
   * When interactively spell checking the document, this will return the
   * value of the next word that is misspelled. This also computes the
   * suggestions which you can get by calling GetSuggestedWord.
   *
   * @see nsISpellChecker::GetNextMisspelledWord
   */
  wstring       GetNextMisspelledWord();

  /**
   * Used to get suggestions for the last word that was checked and found to
   * be misspelled. The first call will give you the first (best) suggestion.
   * Subsequent calls will iterate through all the suggestions, allowing you
   * to build a list. When there are no more suggestions, an empty string will
   * be returned.
   *
   * @see nsISpellChecker::GetSuggestedWord
   */
  wstring       GetSuggestedWord();

  /**
   * Check a given word. In spite of the name, this function checks the word
   * you give it, returning true if the word is misspelled. If the word is
   * misspelled, it will compute the suggestions which you can get from
   * GetSuggestedWord().
   *
   * @see nsISpellChecker::CheckCurrentWord
   */
  boolean       CheckCurrentWord(in wstring suggestedWord);

  /**
   * Use when modaly checking the document to replace a word.
   *
   * @see nsISpellChecker::CheckCurrentWord
   */
  void          ReplaceWord(in wstring misspelledWord, in wstring replaceWord, in boolean allOccurrences);

  /**
   * @see nsISpellChecker::IgnoreAll
   */

  void          IgnoreWordAllOccurrences(in wstring word);

  /**
   * Fills an internal list of words added to the personal dictionary. These
   * words can be retrieved using GetPersonalDictionaryWord()
   *
   * @see nsISpellChecker::GetPersonalDictionary
   * @see GetPersonalDictionaryWord
   */
  void          GetPersonalDictionary();

  /**
   * Used after you call GetPersonalDictionary() to iterate through all the
   * words added to the personal dictionary. Will return the empty string when
   * there are no more words.
   */
  wstring       GetPersonalDictionaryWord();

  /**
   * Adds a word to the current personal dictionary.
   *
   * @see nsISpellChecker::AddWordToDictionary
   */
  void          AddWordToDictionary(in wstring word);

  /**
   * Removes a word from the current personal dictionary.
   *
   * @see nsISpellChecker::RemoveWordFromPersonalDictionary
   */
  void          RemoveWordFromDictionary(in wstring word);

  /**
   * Retrieves a list of the currently available dictionaries. The strings will
   * typically be language IDs, like "en-US".
   *
   * @see mozISpellCheckingEngine::GetDictionaryList
   */
  void          GetDictionaryList([array, size_is(count)] out wstring dictionaryList, out PRUint32 count);

  /**
   * @see nsISpellChecker::GetCurrentDictionary
   */
  wstring       GetCurrentDictionary();

  /**
   * @see nsISpellChecker::SetCurrentDictionary
   */
  void          SetCurrentDictionary(in wstring dictionary);

  /**
   * Call this to free up the spell checking object. It will also save the
   * current selected language as the default for future use.
   *
   * If you have called CanSpellCheck but not InitSpellChecker, you can still
   * call this function to clear the cached spell check object, and no
   * preference saving will happen.
   */
  void          UninitSpellChecker();

  /**
   * Used to filter the content (for example, to skip blockquotes in email from
   * spellchecking. Call this before calling InitSpellChecker; calling it
   * after initialization will have no effect.
   *
   * @see nsITextServicesDocument::setFilter
   */
  void          setFilter(in nsITextServicesFilter filter);

  /**
   * Like CheckCurrentWord, checks the word you give it, returning true if it's
   * misspelled. This is faster than CheckCurrentWord because it does not
   * compute any suggestions.
   *
   * Watch out: this does not clear any suggestions left over from previous
   * calls to CheckCurrentWord, so there may be suggestions, but they will be
   * invalid.
   */
  boolean       CheckCurrentWordNoSuggest(in wstring suggestedWord);

};

/**
 * This contains enhancements made to this interface on the trunk. Here, it is
 * on a separate interface to avoid changing interfaces on the branch.
 */
[scriptable, uuid(0455cf88-c679-40c3-8e9f-ff4554ee9559)]
interface nsIEditorSpellCheck_MOZILLA_1_8_BRANCH : nsIEditorSpellCheck
{
  /**
   * Returns true if we can enable spellchecking. If there are no available
   * dictionaries, this will return false.
   */
  boolean       CanSpellCheck();

  /**
   * Call to save the currently selected dictionary as the default. The
   * function UninitSpellChecker will also do this, but that function may
   * not be called in some situations. This function allows the caller to force
   * the default right now.
   */
  void saveDefaultDictionary();
};