| // Copyright 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 IOS_CHROME_BROWSER_PREFS_PREF_OBSERVER_BRIDGE_H_ |
| #define IOS_CHROME_BROWSER_PREFS_PREF_OBSERVER_BRIDGE_H_ |
| |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| |
| class PrefChangeRegistrar; |
| |
| @protocol PrefObserverDelegate |
| - (void)onPreferenceChanged:(const std::string&)preferenceName; |
| @end |
| |
| class PrefObserverBridge { |
| public: |
| explicit PrefObserverBridge(id<PrefObserverDelegate> delegate); |
| virtual ~PrefObserverBridge(); |
| |
| virtual void ObserveChangesForPreference(const std::string& pref_name, |
| PrefChangeRegistrar* registrar); |
| |
| private: |
| virtual void OnPreferenceChanged(const std::string& pref_name); |
| |
| __unsafe_unretained id<PrefObserverDelegate> delegate_; |
| }; |
| |
| #endif // IOS_CHROME_BROWSER_PREFS_PREF_OBSERVER_BRIDGE_H_ |