extensions/browser/update_observer.h

   1 // Copyright 2013 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_UPDATE_OBSERVER_H_
   6 #define EXTENSIONS_BROWSER_UPDATE_OBSERVER_H_
   7
   8 #include <string>
   9
  10 namespace extensions {
  11 class Extension;
  12
  13 class UpdateObserver {
  14  public:
  15   // Invoked when an app update is available.
  16   virtual void OnAppUpdateAvailable(const Extension* extension) = 0;
  17
  18   // Invoked when Chrome update is available.
  19   virtual void OnChromeUpdateAvailable() = 0;
  20
  21  protected:
  22   virtual ~UpdateObserver() {}
  23 };
  24
  25 }  // namespace extensions
  26
  27 #endif  // EXTENSIONS_BROWSER_UPDATE_OBSERVER_H_