| // Copyright (c) 2012 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_EXTENSIONS_EXTERNAL_POLICY_LOADER_H_ |
| #define CHROME_BROWSER_EXTENSIONS_EXTERNAL_POLICY_LOADER_H_ |
| |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/prefs/pref_change_registrar.h" |
| #include "chrome/browser/extensions/external_loader.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| |
| class Profile; |
| |
| namespace base { |
| class DictionaryValue; |
| } |
| |
| namespace extensions { |
| |
| // A specialization of the ExternalProvider that uses |
| // prefs::kExtensionInstallForceList to look up which external extensions are |
| // registered. |
| class ExternalPolicyLoader |
| : public ExternalLoader, |
| public content::NotificationObserver { |
| public: |
| explicit ExternalPolicyLoader(Profile* profile); |
| |
| // content::NotificationObserver implementation |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| |
| // Adds an extension to be updated to the pref dictionary. |
| static void AddExtension(base::DictionaryValue* dict, |
| const std::string& extension_id, |
| const std::string& update_url); |
| |
| protected: |
| virtual void StartLoading() OVERRIDE; |
| |
| private: |
| friend class base::RefCountedThreadSafe<ExternalLoader>; |
| |
| virtual ~ExternalPolicyLoader() {} |
| |
| PrefChangeRegistrar pref_change_registrar_; |
| content::NotificationRegistrar notification_registrar_; |
| |
| Profile* profile_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ExternalPolicyLoader); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_EXTERNAL_POLICY_LOADER_H_ |