src/chrome/browser/extensions/api/preference/chrome_direct_setting_api.h

   1 // Copyright 2013 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_EXTENSIONS_API_PREFERENCE_CHROME_DIRECT_SETTING_API_H__
   6 #define CHROME_BROWSER_EXTENSIONS_API_PREFERENCE_CHROME_DIRECT_SETTING_API_H__
   7
   8 #include "base/prefs/pref_change_registrar.h"
   9 #include "extensions/browser/browser_context_keyed_api_factory.h"
  10 #include "extensions/browser/event_router.h"
  11
  12 class Profile;
  13
  14 namespace content {
  15 class BrowserContext;
  16 }
  17
  18 namespace extensions {
  19 namespace chromedirectsetting {
  20
  21 class ChromeDirectSettingAPI : public BrowserContextKeyedAPI,
  22                                public EventRouter::Observer {
  23  public:
  24   explicit ChromeDirectSettingAPI(content::BrowserContext* context);
  25
  26   ~ChromeDirectSettingAPI() override;
  27
  28   // KeyedService implementation.
  29   void Shutdown() override;
  30
  31   // BrowserContextKeyedAPI implementation.
  32   static BrowserContextKeyedAPIFactory<ChromeDirectSettingAPI>*
  33       GetFactoryInstance();
  34
  35   // EventRouter::Observer implementation.
  36   void OnListenerAdded(const EventListenerInfo& details) override;
  37
  38   // Returns true if the preference is on the whitelist.
  39   bool IsPreferenceOnWhitelist(const std::string& pref_key);
  40
  41   // Convenience method to get the ChromeDirectSettingAPI for a profile.
  42   static ChromeDirectSettingAPI* Get(content::BrowserContext* context);
  43
  44  private:
  45   friend class BrowserContextKeyedAPIFactory<ChromeDirectSettingAPI>;
  46
  47   // BrowserContextKeyedAPI implementation.
  48   static const char* service_name();
  49
  50   void OnPrefChanged(PrefService* pref_service, const std::string& pref_key);
  51
  52   static const bool kServiceIsNULLWhileTesting = true;
  53   static const bool kServiceRedirectedInIncognito = false;
  54
  55   PrefChangeRegistrar registrar_;
  56   Profile* profile_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(ChromeDirectSettingAPI);
  59 };
  60
  61 }  // namespace chromedirectsetting
  62 }  // namespace extensions
  63
  64 #endif  // CHROME_BROWSER_EXTENSIONS_API_PREFERENCE_CHROME_DIRECT_SETTING_API_H__