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// 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.
#include "ash/accessibility/accessibility_focus_ring.h"
#include "ash/accessibility/focus_ring_layer.h"
#include "ash/ash_export.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 {
explicit AccessibilityFocusRingLayer(AccessibilityLayerDelegate* delegate);
~AccessibilityFocusRingLayer() override;
// Create the layer and update its bounds and position in the hierarchy.
void Set(const AccessibilityFocusRing& ring);
void EnableDoubleFocusRing(SkColor secondary_color);
void DisableDoubleFocusRing();
// ui::LayerDelegate overrides:
void OnPaintLayer(const ui::PaintContext& context) override;
void DrawFocusRing(ui::PaintRecorder& recorder, cc::PaintFlags& flags);
void DrawDoubleFocusRing(ui::PaintRecorder& recorder, cc::PaintFlags& flags);
// The outline of the current focus ring.
AccessibilityFocusRing ring_;
// The secondary color, if there is a double focus ring.
base::Optional<SkColor> secondary_color_;
} // namespace ash