| // 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_ACCESSIBILITY_FOCUS_RING_LAYER_H_ |
| #define CHROMECAST_GRAPHICS_ACCESSIBILITY_ACCESSIBILITY_FOCUS_RING_LAYER_H_ |
| |
| #include "chromecast/graphics/accessibility/accessibility_focus_ring.h" |
| #include "chromecast/graphics/accessibility/focus_ring_layer.h" |
| |
| #include "base/macros.h" |
| |
| namespace chromecast { |
| |
| // 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 AccessibilityFocusRingLayer : public FocusRingLayer { |
| public: |
| AccessibilityFocusRingLayer(aura::Window* root_window, |
| AccessibilityLayerDelegate* delegate); |
| ~AccessibilityFocusRingLayer() override; |
| |
| // Create the layer and update its bounds and position in the hierarchy. |
| void Set(const AccessibilityFocusRing& ring); |
| |
| private: |
| // ui::LayerDelegate overrides: |
| void OnPaintLayer(const ui::PaintContext& context) override; |
| |
| // The outline of the current focus ring. |
| AccessibilityFocusRing ring_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AccessibilityFocusRingLayer); |
| }; |
| |
| } // namespace chromecast |
| |
| #endif // CHROMECAST_GRAPHICS_ACCESSIBILITY_ACCESSIBILITY_FOCUS_RING_LAYER_H_ |