// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef IOS_CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_FACTORY_H_
#define IOS_CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_FACTORY_H_

#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "components/keyed_service/ios/browser_state_keyed_service_factory.h"

namespace base {
template <typename T>
struct DefaultSingletonTraits;
}  // namespace base

namespace bookmarks {
class BookmarkModel;
}

namespace ios {

class ChromeBrowserState;

// Singleton that owns all BookmarkModels and associates them with
// ios::ChromeBrowserState.
class BookmarkModelFactory : public BrowserStateKeyedServiceFactory {
 public:
  static bookmarks::BookmarkModel* GetForBrowserState(
      ios::ChromeBrowserState* browser_state);
  static bookmarks::BookmarkModel* GetForBrowserStateIfExists(
      ios::ChromeBrowserState* browser_state);
  static BookmarkModelFactory* GetInstance();

 private:
  friend struct base::DefaultSingletonTraits<BookmarkModelFactory>;

  BookmarkModelFactory();
  ~BookmarkModelFactory() override;

  // BrowserStateKeyedServiceFactory implementation.
  void RegisterBrowserStatePrefs(
      user_prefs::PrefRegistrySyncable* registry) override;
  scoped_ptr<KeyedService> BuildServiceInstanceFor(
      web::BrowserState* context) const override;
  web::BrowserState* GetBrowserStateToUse(
      web::BrowserState* context) const override;
  bool ServiceIsNULLWhileTesting() const override;

  DISALLOW_COPY_AND_ASSIGN(BookmarkModelFactory);
};

}  // namespace ios

#endif  // IOS_CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_FACTORY_H_