extensions/browser/extension_prefs_observer.h

   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   // This is *not* called when the disable reasons change due to the extension
  20   // being enabled/disabled.
  21   virtual void OnExtensionDisableReasonsChanged(const std::string& extension_id,
  22                                                 int disabled_reasons) {}
  23
  24   // Called when an extension is registered with ExtensionPrefs.
  25   virtual void OnExtensionRegistered(const std::string& extension_id,
  26                                      const base::Time& install_time,
  27                                      bool is_enabled) {}
  28
  29   // Called when an extension's prefs have been loaded.
  30   virtual void OnExtensionPrefsLoaded(const std::string& extension_id,
  31                                       const ExtensionPrefs* prefs) {}
  32
  33   // Called when an extension's prefs are deleted.
  34   virtual void OnExtensionPrefsDeleted(const std::string& extension_id) {}
  35
  36   // Called when an extension's enabled state pref is changed.
  37   // Note: This does not necessarily correspond to the extension being loaded/
  38   // unloaded. For that, observe the ExtensionRegistry, and reconcile that the
  39   // events might not match up.
  40   virtual void OnExtensionStateChanged(const std::string& extension_id,
  41                                        bool state) {}
  42 };
  43
  44 }  // namespace extensions
  45
  46 #endif  // EXTENSIONS_BROWSER_EXTENSION_PREFS_OBSERVER_H_