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// 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 ASH_ACCESSIBILITY_UI_FOCUS_RING_LAYER_H_
#define ASH_ACCESSIBILITY_UI_FOCUS_RING_LAYER_H_
#include <optional>
#include "ash/accessibility/ui/accessibility_layer.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/compositor/compositor_animation_observer.h"
#include "ui/compositor/layer_delegate.h"
namespace ash {
// FocusRingLayer draws a focus ring at a given global rectangle.
class FocusRingLayer : public AccessibilityLayer {
public:
explicit FocusRingLayer(AccessibilityLayerDelegate* delegate);
FocusRingLayer(const FocusRingLayer&) = delete;
FocusRingLayer& operator=(const FocusRingLayer&) = delete;
~FocusRingLayer() override;
// AccessibilityLayer overrides:
int GetInset() const override;
// Set a custom color, or reset to the default.
void SetColor(SkColor color);
void ResetColor();
protected:
bool has_custom_color() { return custom_color_.has_value(); }
SkColor custom_color() { return *custom_color_; }
private:
// ui::LayerDelegate overrides:
void OnPaintLayer(const ui::PaintContext& context) override;
std::optional<SkColor> custom_color_;
};
} // namespace ash
#endif // ASH_ACCESSIBILITY_UI_FOCUS_RING_LAYER_H_
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