/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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/. */

#ifndef nsHyphenationManager_h__

#define nsHyphenationManager_h__

#include "nsInterfaceHashtable.h"

#include "nsRefPtrHashtable.h"

#include "nsHashKeys.h"

#include "nsIObserver.h"

#include "mozilla/Omnijar.h"

class nsHyphenator;

class nsAtom;

class nsIURI;

class nsHyphenationManager

{

public:

  nsHyphenationManager();

  already_AddRefed<nsHyphenator> GetHyphenator(nsAtom *aLocale);

  static nsHyphenationManager *Instance();

  static void Shutdown();

private:

  ~nsHyphenationManager();

protected:

  class MemoryPressureObserver final : public nsIObserver

  {

      ~MemoryPressureObserver() {}

  public:

      NS_DECL_ISUPPORTS

      NS_DECL_NSIOBSERVER

  };

  void LoadPatternList();

  void LoadPatternListFromOmnijar(mozilla::Omnijar::Type aType);

  void LoadPatternListFromDir(nsIFile *aDir);

  void LoadAliases();

  nsRefPtrHashtable<nsRefPtrHashKey<nsAtom>, nsAtom> mHyphAliases;

  nsInterfaceHashtable<nsRefPtrHashKey<nsAtom>, nsIURI> mPatternFiles;

  nsRefPtrHashtable<nsRefPtrHashKey<nsAtom>, nsHyphenator> mHyphenators;

  static nsHyphenationManager *sInstance;

};

#endif // nsHyphenationManager_h__