| // Copyright 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 ASH_ACCESSIBILITY_FOCUS_RING_LAYER_H_ |
| #define ASH_ACCESSIBILITY_FOCUS_RING_LAYER_H_ |
| |
| #include <memory> |
| |
| #include "ash/accessibility/accessibility_layer.h" |
| #include "base/macros.h" |
| #include "base/optional.h" |
| #include "base/time/time.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 ash { |
| |
| // FocusRingLayer draws a focus ring at a given global rectangle. |
| class FocusRingLayer : public AccessibilityLayer { |
| public: |
| explicit FocusRingLayer(AccessibilityLayerDelegate* delegate); |
| ~FocusRingLayer() override; |
| |
| // AccessibilityLayer overrides: |
| bool CanAnimate() const override; |
| bool NeedToAnimate() 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; |
| |
| base::Optional<SkColor> custom_color_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FocusRingLayer); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_ACCESSIBILITY_FOCUS_RING_LAYER_H_ |