chromium/ui/views/view_shadow.h

// Copyright 2019 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_VIEW_SHADOW_H_
#define UI_VIEWS_VIEW_SHADOW_H_

#include <memory>

#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "ui/compositor/layer_owner.h"
#include "ui/views/view_observer.h"
#include "ui/views/views_export.h"

namespace ui {
class Shadow;
}

namespace views {

// Manages the shadow for a view. This forces |view| to paint to layer if it's
// not.
class VIEWS_EXPORT ViewShadow : public ViewObserver,
                                public ui::LayerOwner::Observer { … };

}  // namespace views

#endif  // UI_VIEWS_VIEW_SHADOW_H_