chrome/browser/extensions/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 CHROME_BROWSER_EXTENSIONS_UPDATE_OBSERVER_H_
   6 #define CHROME_BROWSER_EXTENSIONS_UPDATE_OBSERVER_H_
   7
   8 #include <string>
   9
  10 namespace extensions {
  11
  12 class UpdateObserver {
  13  public:
  14   // Invoked when an app update is available.
  15   virtual void OnAppUpdateAvailable(const std::string& app_id) = 0;
  16
  17   // Invoked when Chrome update is available.
  18   virtual void OnChromeUpdateAvailable() = 0;
  19
  20  protected:
  21   virtual ~UpdateObserver() {}
  22 };
  23
  24 }  // namespace extensions
  25
  26 #endif  // CHROME_BROWSER_EXTENSIONS_UPDATE_OBSERVER_H_