| // 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 COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_OBSERVABLE_PROVIDER_H_ |
| #define COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_OBSERVABLE_PROVIDER_H_ |
| |
| #include <string> |
| |
| #include "base/observer_list.h" |
| #include "base/threading/thread_checker.h" |
| #include "components/content_settings/core/browser/content_settings_observer.h" |
| #include "components/content_settings/core/browser/content_settings_provider.h" |
| #include "components/content_settings/core/common/content_settings_pattern.h" |
| |
| namespace content_settings { |
| |
| class ObservableProvider : public ProviderInterface { |
| public: |
| ObservableProvider(); |
| ~ObservableProvider() override; |
| |
| void AddObserver(Observer* observer); |
| void RemoveObserver(Observer* observer); |
| |
| protected: |
| void NotifyObservers(const ContentSettingsPattern& primary_pattern, |
| const ContentSettingsPattern& secondary_pattern, |
| ContentSettingsType content_type, |
| const std::string& resource_identifier); |
| void RemoveAllObservers(); |
| bool CalledOnValidThread(); |
| |
| private: |
| base::ThreadChecker thread_checker_; |
| ObserverList<Observer, true> observer_list_; |
| }; |
| |
| } // namespace content_settings |
| |
| #endif // COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_OBSERVABLE_PROVIDER_H_ |