// Copyright (c) 2011 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 CHROME_BROWSER_THEMES_THEME_SERVICE_FACTORY_H_
#define CHROME_BROWSER_THEMES_THEME_SERVICE_FACTORY_H_

#include <map>

#include "base/memory/singleton.h"
#include "chrome/browser/profiles/profile_keyed_service_factory.h"
#include "content/common/notification_observer.h"
#include "content/common/notification_registrar.h"

class ThemeService;
class Extension;
class Profile;

// Singleton that owns all ThemeServices and associates them with
// Profiles. Listens for the Profile's destruction notification and cleans up
// the associated ThemeService.
class ThemeServiceFactory : public ProfileKeyedServiceFactory {
 public:
  // Returns the ThemeService that provides theming resources for
  // |profile|. Note that even if a Profile doesn't have a theme installed, it
  // still needs a ThemeService to hand back the default theme images.
  static ThemeService* GetForProfile(Profile* profile);

  // Returns the Extension that implements the theme associated with
  // |profile|. Returns NULL if the theme is no longer installed, if there is
  // no installed theme, or the theme was cleared.
  static const Extension* GetThemeForProfile(Profile* profile);

  static ThemeServiceFactory* GetInstance();

 private:
  friend struct DefaultSingletonTraits<ThemeServiceFactory>;

  ThemeServiceFactory();
  virtual ~ThemeServiceFactory();

  // ProfileKeyedServiceFactory:
  virtual ProfileKeyedService* BuildServiceInstanceFor(Profile* profile) const;
  virtual bool ServiceRedirectedInIncognito();
};

#endif  // CHROME_BROWSER_THEMES_THEME_SERVICE_FACTORY_H_