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// Copyright 2018 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.
// Copied with modifications from ash/accessibility, refactored for use in
// chromecast.
#ifndef CHROMECAST_GRAPHICS_ACCESSIBILITY_FOCUS_RING_LAYER_H_
#define CHROMECAST_GRAPHICS_ACCESSIBILITY_FOCUS_RING_LAYER_H_
#include "base/macros.h"
#include "chromecast/graphics/accessibility/accessibility_layer.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/compositor/compositor_animation_observer.h"
#include "ui/compositor/layer_delegate.h"
#include "ui/gfx/geometry/rect.h"
namespace chromecast {
// FocusRingLayer draws a focus ring at a given global rectangle.
class FocusRingLayer : public AccessibilityLayer {
public:
explicit FocusRingLayer(aura::Window* root_window,
AccessibilityLayerDelegate* delegate);
~FocusRingLayer() override;
// AccessibilityLayer overrides:
bool CanAnimate() const override;
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;
absl::optional<SkColor> custom_color_;
DISALLOW_COPY_AND_ASSIGN(FocusRingLayer);
};
} // namespace chromecast
#endif // CHROMECAST_GRAPHICS_ACCESSIBILITY_FOCUS_RING_LAYER_H_