Add 5 experimental accessibility features on Chrome OS.

ash/default_accessibility_delegate.cc

 // 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.
 
 #include "ash/default_accessibility_delegate.h"
 
 #include <limits>
 
 namespace ash {
 
-DefaultAccessibilityDelegate::DefaultAccessibilityDelegate()
-    : spoken_feedback_enabled_(false),
-      high_contrast_enabled_(false),
-      screen_magnifier_enabled_(false),
-      screen_magnifier_type_(ui::kDefaultMagnifierType),
-      large_cursor_enabled_(false),
-      autoclick_enabled_(false),
-      virtual_keyboard_enabled_(false),
-      accessibility_alert_(ui::A11Y_ALERT_NONE) {
-}
+DefaultAccessibilityDelegate::DefaultAccessibilityDelegate() {}
 
 DefaultAccessibilityDelegate::~DefaultAccessibilityDelegate() {}
 
 bool DefaultAccessibilityDelegate::IsSpokenFeedbackEnabled() const {
   return spoken_feedback_enabled_;
 }
 
 void DefaultAccessibilityDelegate::ToggleHighContrast() {
   high_contrast_enabled_ = !high_contrast_enabled_;
 }
@@ skipping 35 matching lines @@
 }
 
 void DefaultAccessibilityDelegate::SetVirtualKeyboardEnabled(bool enabled) {
   virtual_keyboard_enabled_ = enabled;
 }
 
 bool DefaultAccessibilityDelegate::IsVirtualKeyboardEnabled() const {
   return virtual_keyboard_enabled_;
 }
 
+void DefaultAccessibilityDelegate::SetCaretHighlightEnabled(bool enabled) {
+  caret_highlight_enabled_ = enabled;
+}
+
+bool DefaultAccessibilityDelegate::IsCaretHighlightEnabled() const {
+  return caret_highlight_enabled_;
+}
+
+void DefaultAccessibilityDelegate::SetCursorHighlightEnabled(bool enabled) {
+  cursor_highlight_enabled_ = enabled;
+}
+
+bool DefaultAccessibilityDelegate::IsCursorHighlightEnabled() const {
+  return cursor_highlight_enabled_;
+}
+
+void DefaultAccessibilityDelegate::SetFocusHighlightEnabled(bool enabled) {
+  focus_highligh_enabled_ = enabled;
+}
+
+bool DefaultAccessibilityDelegate::IsFocusHighlightEnabled() const {
+  return focus_highligh_enabled_;
+}
+
+void DefaultAccessibilityDelegate::SetSelectToSpeakEnabled(bool enabled) {
+  select_to_speak_enabled_ = enabled;
+}
+
+bool DefaultAccessibilityDelegate::IsSelectToSpeakEnabled() const {
+  return select_to_speak_enabled_;
+}
+
+void DefaultAccessibilityDelegate::SetSwitchAccessEnabled(bool enabled) {
+  switch_access_enabled_ = enabled;
+}
+
+bool DefaultAccessibilityDelegate::IsSwitchAccessEnabled() const {
+  return switch_access_enabled_;
+}
+
 bool DefaultAccessibilityDelegate::ShouldShowAccessibilityMenu() const {
   return spoken_feedback_enabled_ ||
          high_contrast_enabled_ ||
          screen_magnifier_enabled_ ||
          large_cursor_enabled_ ||
          autoclick_enabled_ ||
          virtual_keyboard_enabled_;
 }
 
 bool DefaultAccessibilityDelegate::IsBrailleDisplayConnected() const {
@@ skipping 26 matching lines @@
 }
 
 void DefaultAccessibilityDelegate::PlayEarcon(int sound_key) {
 }
 
 base::TimeDelta DefaultAccessibilityDelegate::PlayShutdownSound() const {
   return base::TimeDelta();
 }
 
 }  // namespace ash