chrome/browser/extensions/window_controller_list_observer.h

   1 // Copyright (c) 2012 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_WINDOW_CONTROLLER_LIST_OBSERVER_H_
   6 #define CHROME_BROWSER_EXTENSIONS_WINDOW_CONTROLLER_LIST_OBSERVER_H_
   7
   8 namespace extensions {
   9
  10 class WindowController;
  11
  12 // Implementations must not change the contents of the WindowControllerList
  13 // inside any of these methods.
  14 class WindowControllerListObserver {
  15   public:
  16   // Called immediately after a window controller is added to the list
  17   virtual void OnWindowControllerAdded(WindowController* window_controller) {}
  18
  19   // Called immediately after a window controller is removed from the list
  20   virtual void OnWindowControllerRemoved(WindowController* window_controller) {}
  21
  22  protected:
  23   virtual ~WindowControllerListObserver() {}
  24 };
  25
  26 }  // namespace extensions
  27
  28 #endif  // CHROME_BROWSER_EXTENSIONS_WINDOW_CONTROLLER_LIST_OBSERVER_H_