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- // Copyright (c) 2013 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef UI_LINUX_WINDOW_BUTTON_ORDER_OBSERVER_H_
- #define UI_LINUX_WINDOW_BUTTON_ORDER_OBSERVER_H_
- namespace ui {
- // Observer interface to receive the ordering of the min,max,close buttons.
- class WindowButtonOrderObserver {
- public:
- // Called on a system-wide configuration event.
- virtual void OnWindowButtonOrderingChange() = 0;
- protected:
- virtual ~WindowButtonOrderObserver() = default;
- };
- } // namespace ui
- #endif // UI_LINUX_WINDOW_BUTTON_ORDER_OBSERVER_H_
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