ui/views/linux_ui/window_button_order_observer.h

   1 // Copyright (c) 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 UI_VIEWS_LINUX_UI_WINDOW_BUTTON_ORDER_OBSERVER_H_
   6 #define UI_VIEWS_LINUX_UI_WINDOW_BUTTON_ORDER_OBSERVER_H_
   7
   8 #include <vector>
   9
  10 #include "ui/views/window/frame_buttons.h"
  11
  12 namespace views {
  13
  14 // Observer interface to receive the ordering of the min,max,close buttons.
  15 class WindowButtonOrderObserver {
  16  public:
  17   // Called when first added to the LinuxUI class, or on a system-wide
  18   // configuration event.
  19   virtual void OnWindowButtonOrderingChange(
  20       const std::vector<views::FrameButton>& leading_buttons,
  21       const std::vector<views::FrameButton>& trailing_buttons) = 0;
  22
  23  protected:
  24   virtual ~WindowButtonOrderObserver() {}
  25 };
  26
  27 }  // namespace views
  28
  29 #endif  // UI_VIEWS_LINUX_UI_WINDOW_BUTTON_ORDER_OBSERVER_H_