chromium/ui/views/widget/window_reorderer.h

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_VIEWS_WIDGET_WINDOW_REORDERER_H_
#define UI_VIEWS_WIDGET_WINDOW_REORDERER_H_

#include <memory>

#include "base/scoped_observation.h"
#include "ui/aura/window_observer.h"
#include "ui/views/view_observer.h"

namespace aura {
class Window;
}

namespace views {
class View;

// Class which reorders the widget's child windows which have an associated view
// in the widget's view tree according the z-order of the views in the view
// tree. Windows not associated to a view are stacked above windows with an
// associated view. The child windows' layers are additionally reordered
// according to the z-order of the associated views relative to views with
// layers.
class WindowReorderer : public aura::WindowObserver, public ViewObserver { … };

}  // namespace views

#endif  // UI_VIEWS_WIDGET_WINDOW_REORDERER_H_