chrome/browser/themes/theme_service_factory.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_THEMES_THEME_SERVICE_FACTORY_H_
   6 #define CHROME_BROWSER_THEMES_THEME_SERVICE_FACTORY_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/singleton.h"
  10 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  11
  12 class Profile;
  13 class ThemeService;
  14
  15 namespace extensions {
  16 class Extension;
  17 }
  18
  19 // Singleton that owns all ThemeServices and associates them with
  20 // Profiles. Listens for the Profile's destruction notification and cleans up
  21 // the associated ThemeService.
  22 class ThemeServiceFactory : public BrowserContextKeyedServiceFactory {
  23  public:
  24   // Returns the ThemeService that provides theming resources for
  25   // |profile|. Note that even if a Profile doesn't have a theme installed, it
  26   // still needs a ThemeService to hand back the default theme images.
  27   static ThemeService* GetForProfile(Profile* profile);
  28
  29   // Returns the Extension that implements the theme associated with
  30   // |profile|. Returns NULL if the theme is no longer installed, if there is
  31   // no installed theme, or the theme was cleared.
  32   static const extensions::Extension* GetThemeForProfile(Profile* profile);
  33
  34   static ThemeServiceFactory* GetInstance();
  35
  36  private:
  37   friend struct base::DefaultSingletonTraits<ThemeServiceFactory>;
  38
  39   ThemeServiceFactory();
  40   ~ThemeServiceFactory() override;
  41
  42   // BrowserContextKeyedServiceFactory:
  43   KeyedService* BuildServiceInstanceFor(
  44       content::BrowserContext* profile) const override;
  45   void RegisterProfilePrefs(
  46       user_prefs::PrefRegistrySyncable* registry) override;
  47   content::BrowserContext* GetBrowserContextToUse(
  48       content::BrowserContext* context) const override;
  49   bool ServiceIsCreatedWithBrowserContext() const override;
  50
  51   DISALLOW_COPY_AND_ASSIGN(ThemeServiceFactory);
  52 };
  53
  54 #endif  // CHROME_BROWSER_THEMES_THEME_SERVICE_FACTORY_H_