| // Copyright 2014 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_ACCESSIBILITY_FOCUS_RING_LAYER_H_ |
| #define ASH_ACCESSIBILITY_ACCESSIBILITY_FOCUS_RING_LAYER_H_ |
| |
| #include "ash/accessibility/accessibility_focus_ring.h" |
| #include "ash/accessibility/focus_ring_layer.h" |
| #include "ash/ash_export.h" |
| #include "ash/public/interfaces/accessibility_focus_ring_controller.mojom.h" |
| #include "base/macros.h" |
| #include "ui/compositor/paint_recorder.h" |
| |
| namespace ash { |
| |
| // A subclass of FocusRingLayer intended for use by ChromeVox; it supports |
| // nonrectangular focus rings in order to highlight groups of elements or |
| // a range of text on a page. |
| class ASH_EXPORT AccessibilityFocusRingLayer : public FocusRingLayer { |
| public: |
| explicit AccessibilityFocusRingLayer(AccessibilityLayerDelegate* delegate); |
| ~AccessibilityFocusRingLayer() override; |
| |
| // Create the layer and update its bounds and position in the hierarchy. |
| void Set(const AccessibilityFocusRing& ring); |
| |
| void SetAppearance(mojom::FocusRingType type, |
| SkColor color, |
| SkColor secondary_color); |
| |
| SkColor color_for_testing() { return custom_color(); } |
| |
| private: |
| // ui::LayerDelegate overrides: |
| void OnPaintLayer(const ui::PaintContext& context) override; |
| |
| void DrawGlowFocusRing(ui::PaintRecorder& recorder, cc::PaintFlags& flags); |
| void DrawSolidFocusRing(ui::PaintRecorder& recorder, cc::PaintFlags& flags); |
| void DrawDashedFocusRing(ui::PaintRecorder& recorder, cc::PaintFlags& flags); |
| |
| // The outline of the current focus ring. |
| AccessibilityFocusRing ring_; |
| // The type of focus ring. |
| mojom::FocusRingType type_; |
| // The secondary color. |
| SkColor secondary_color_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AccessibilityFocusRingLayer); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_ACCESSIBILITY_ACCESSIBILITY_FOCUS_RING_LAYER_H_ |