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      1 // Copyright 2014 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 EXTENSIONS_BROWSER_EXTENSION_PREFS_OBSERVER_H_
      6 #define EXTENSIONS_BROWSER_EXTENSION_PREFS_OBSERVER_H_
      7 
      8 #include <string>
      9 
     10 #include "base/time/time.h"
     11 
     12 namespace extensions {
     13 
     14 class ExtensionPrefs;
     15 
     16 class ExtensionPrefsObserver {
     17  public:
     18   // Called when the reasons for an extension being disabled have changed.
     19   virtual void OnExtensionDisableReasonsChanged(const std::string& extension_id,
     20                                                 int disabled_reasons) {}
     21 
     22   // Called when an extension is registered with ExtensionPrefs.
     23   virtual void OnExtensionRegistered(const std::string& extension_id,
     24                                      const base::Time& install_time,
     25                                      bool is_enabled) {}
     26 
     27   // Called when an extension's prefs have been loaded.
     28   virtual void OnExtensionPrefsLoaded(const std::string& extension_id,
     29                                       const ExtensionPrefs* prefs) {}
     30 
     31   // Called when an extension's prefs are deleted.
     32   virtual void OnExtensionPrefsDeleted(const std::string& extension_id) {}
     33 
     34   // Called when an extension's enabled state pref is changed.
     35   virtual void OnExtensionStateChanged(const std::string& extension_id,
     36                                        bool state) {}
     37 };
     38 
     39 }  // namespace extensions
     40 
     41 #endif  // EXTENSIONS_BROWSER_EXTENSION_PREFS_OBSERVER_H_
     42