components/mus/focus_controller_delegate.h

   1 // Copyright 2015 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 COMPONENTS_MUS_FOCUS_CONTROLLER_DELEGATE_H_
   6 #define COMPONENTS_MUS_FOCUS_CONTROLLER_DELEGATE_H_
   7
   8 namespace mus {
   9
  10 class ServerView;
  11
  12 class FocusControllerDelegate {
  13  public:
  14   virtual void OnFocusChanged(ServerView* old_focused_view,
  15                               ServerView* new_focused_view) = 0;
  16
  17  protected:
  18   ~FocusControllerDelegate() {}
  19 };
  20
  21 }  // namespace mus
  22
  23 #endif  // COMPONENTS_MUS_FOCUS_CONTROLLER_DELEGATE_H_