1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_CHROMEOS_UI_ACCESSIBILITY_FOCUS_RING_LAYER_H_ 6 #define CHROME_BROWSER_CHROMEOS_UI_ACCESSIBILITY_FOCUS_RING_LAYER_H_ 7 8 #include "chrome/browser/chromeos/ui/accessibility_focus_ring.h" 9 #include "chrome/browser/chromeos/ui/focus_ring_layer.h" 10 11 namespace chromeos { 12 13 // A subclass of FocusRingLayer intended for use by ChromeVox; it supports 14 // nonrectangular focus rings in order to highlight groups of elements or 15 // a range of text on a page. 16 class AccessibilityFocusRingLayer : public FocusRingLayer { 17 public: 18 explicit AccessibilityFocusRingLayer(FocusRingLayerDelegate* delegate); 19 virtual ~AccessibilityFocusRingLayer(); 20 21 // Create the layer and update its bounds and position in the hierarchy. 22 void Set(const AccessibilityFocusRing& ring); 23 24 private: 25 // ui::LayerDelegate overrides: 26 virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE; 27 28 // The outline of the current focus ring. 29 AccessibilityFocusRing ring_; 30 31 DISALLOW_COPY_AND_ASSIGN(AccessibilityFocusRingLayer); 32 }; 33 34 } // namespace chromeos 35 36 #endif // CHROME_BROWSER_CHROMEOS_UI_ACCESSIBILITY_FOCUS_RING_LAYER_H_ 37
