ui/accessibility/accessibility_features.cc - chromium/src - Git at Google

 // Copyright (c) 2019 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 "ui/accessibility/accessibility_features.h"

 #include "base/feature_list.h"
 #include "build/build_config.h"
 #include "build/chromeos_buildflags.h"

 #if BUILDFLAG(IS_CHROMEOS_ASH)
 #include "ash/constants/ash_features.h"
 #endif

 namespace features {

 // Enable recognizing "aria-virtualcontent" as a valid aria property.
 const base::Feature kEnableAccessibilityAriaVirtualContent{
     "AccessibilityAriaVirtualContent", base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsAccessibilityAriaVirtualContentEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kEnableAccessibilityAriaVirtualContent);
 }

 // Enable exposing the <html> element to the browser process AXTree
 // (as an ignored node).
 const base::Feature kEnableAccessibilityExposeHTMLElement{
     "AccessibilityExposeHTMLElement", base::FEATURE_ENABLED_BY_DEFAULT};

 bool IsAccessibilityExposeHTMLElementEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kEnableAccessibilityExposeHTMLElement);
 }

 // Enable exposing ignored nodes from Blink to the browser process AXTree.
 // This will allow us to simplify logic by eliminating the distiction between
 // "ignored and included in the tree" from "ignored and not included in the
 // tree".
 const base::Feature kEnableAccessibilityExposeIgnoredNodes{
     "AccessibilityExposeIgnoredNodes", base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsAccessibilityExposeIgnoredNodesEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kEnableAccessibilityExposeIgnoredNodes);
 }

 // Enable language detection to determine language used in page text, exposed
 // on the browser process AXTree.
 const base::Feature kEnableAccessibilityLanguageDetection{
     "AccessibilityLanguageDetection", base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsAccessibilityLanguageDetectionEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kEnableAccessibilityLanguageDetection);
 }

 // Serializes accessibility information from the Views tree and deserializes it
 // into an AXTree in the browser process.
 const base::Feature kEnableAccessibilityTreeForViews{
     "AccessibilityTreeForViews", base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsAccessibilityTreeForViewsEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kEnableAccessibilityTreeForViews);
 }

 const base::Feature kAccessibilityFocusHighlight{
     "AccessibilityFocusHighlight", base::FEATURE_ENABLED_BY_DEFAULT};

 bool IsAccessibilityFocusHighlightEnabled() {
   return base::FeatureList::IsEnabled(::features::kAccessibilityFocusHighlight);
 }

 const base::Feature kAutoDisableAccessibility{
     "AutoDisableAccessibility", base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsAutoDisableAccessibilityEnabled() {
   return base::FeatureList::IsEnabled(::features::kAutoDisableAccessibility);
 }

 #if BUILDFLAG(IS_WIN)
 const base::Feature kIChromeAccessible{"IChromeAccessible",
                                        base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsIChromeAccessibleEnabled() {
   return base::FeatureList::IsEnabled(::features::kIChromeAccessible);
 }

 const base::Feature kSelectiveUIAEnablement{"SelectiveUIAEnablement",
                                             base::FEATURE_ENABLED_BY_DEFAULT};

 // Returns true if accessibility will be selectively enabled depending on the
 // UIA APIs that are called, allowing non-screenreader usage to enable less of
 // the accessibility system.
 bool IsSelectiveUIAEnablementEnabled() {
   return base::FeatureList::IsEnabled(::features::kSelectiveUIAEnablement);
 }
 #endif  // BUILDFLAG(IS_WIN)

 #if BUILDFLAG(IS_CHROMEOS_ASH)
 const base::Feature kMagnifierContinuousMouseFollowingModeSetting{
     "MagnifierContinuousMouseFollowingModeSetting",
     base::FEATURE_ENABLED_BY_DEFAULT};

 bool IsMagnifierContinuousMouseFollowingModeSettingEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kMagnifierContinuousMouseFollowingModeSetting);
 }

 const base::Feature kDockedMagnifierResizing{"DockedMagnifierResizing",
                                              base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsDockedMagnifierResizingEnabled() {
   return base::FeatureList::IsEnabled(::features::kDockedMagnifierResizing);
 }

 const base::Feature kExperimentalAccessibilityDictationOffline{
     "ExperimentalAccessibilityDictationOffline",
     base::FEATURE_ENABLED_BY_DEFAULT};

 bool IsExperimentalAccessibilityDictationOfflineEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kExperimentalAccessibilityDictationOffline);
 }

 bool IsDictationOfflineAvailableAndEnabled() {
   return base::FeatureList::IsEnabled(
              ash::features::kOnDeviceSpeechRecognition) &&
          IsExperimentalAccessibilityDictationOfflineEnabled();
 }

 const base::Feature kExperimentalAccessibilityDictationCommands{
     "ExperimentalAccessibilityDictationCommands",
     base::FEATURE_ENABLED_BY_DEFAULT};

 bool IsExperimentalAccessibilityDictationCommandsEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kExperimentalAccessibilityDictationCommands);
 }

 const base::Feature kExperimentalAccessibilityDictationExtension{
     "ExperimentalAccessibilityDictationExtension",
     base::FEATURE_ENABLED_BY_DEFAULT};

 bool IsExperimentalAccessibilityDictationExtensionEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kExperimentalAccessibilityDictationExtension);
 }

 const base::Feature kExperimentalAccessibilityDictationHints{
     "ExperimentalAccessibilityDictationHints",
     base::FEATURE_ENABLED_BY_DEFAULT};

 bool IsExperimentalAccessibilityDictationHintsEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kExperimentalAccessibilityDictationHints);
 }

 const base::Feature kExperimentalAccessibilityDictationWithPumpkin{
     "ExperimentalAccessibilityDictationWithPumpkin",
     base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsExperimentalAccessibilityDictationWithPumpkinEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kExperimentalAccessibilityDictationWithPumpkin);
 }

 const base::Feature kEnhancedNetworkVoices{"EnhancedNetworkVoices",
                                            base::FEATURE_ENABLED_BY_DEFAULT};

 bool IsEnhancedNetworkVoicesEnabled() {
   return base::FeatureList::IsEnabled(::features::kEnhancedNetworkVoices);
 }

 const base::Feature kAccessibilityOSSettingsVisibility{
     "AccessibilityOSSettingsVisibility", base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsAccessibilityOSSettingsVisibilityEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kAccessibilityOSSettingsVisibility);
 }
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)

 const base::Feature kAugmentExistingImageLabels{
     "AugmentExistingImageLabels", base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsAugmentExistingImageLabelsEnabled() {
   return base::FeatureList::IsEnabled(::features::kAugmentExistingImageLabels);
 }

 const base::Feature kUseAXPositionForDocumentMarkers{
     "UseAXPositionForDocumentMarkers", base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsUseAXPositionForDocumentMarkersEnabled() {
   return base::FeatureList::IsEnabled(
       ::features::kUseAXPositionForDocumentMarkers);
 }

 const base::Feature kEnableAriaElementReflection{
     "EnableAriaElementReflection", base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsAriaElementReflectionEnabled() {
   return base::FeatureList::IsEnabled(::features::kEnableAriaElementReflection);
 }

 #if BUILDFLAG(IS_ANDROID)
 const base::Feature kComputeAXMode{"ComputeAXMode",
                                    base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsComputeAXModeEnabled() {
   return base::FeatureList::IsEnabled(::features::kComputeAXMode);
 }
 #endif  // BUILDFLAG(IS_ANDROID)

 const base::Feature kReaderModeSidePanel{"ReaderModeSidePanel",
                                          base::FEATURE_DISABLED_BY_DEFAULT};

 bool IsReaderModeSidePanelEnabled() {
   return base::FeatureList::IsEnabled(::features::kReaderModeSidePanel);
 }

 }  // namespace features
	// Copyright (c) 2019 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 "ui/accessibility/accessibility_features.h"

	#include "base/feature_list.h"
	#include "build/build_config.h"
	#include "build/chromeos_buildflags.h"

	#if BUILDFLAG(IS_CHROMEOS_ASH)
	#include "ash/constants/ash_features.h"
	#endif

	namespace features {

	// Enable recognizing "aria-virtualcontent" as a valid aria property.
	const base::Feature kEnableAccessibilityAriaVirtualContent{
	"AccessibilityAriaVirtualContent", base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsAccessibilityAriaVirtualContentEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kEnableAccessibilityAriaVirtualContent);
	}

	// Enable exposing the <html> element to the browser process AXTree
	// (as an ignored node).
	const base::Feature kEnableAccessibilityExposeHTMLElement{
	"AccessibilityExposeHTMLElement", base::FEATURE_ENABLED_BY_DEFAULT};

	bool IsAccessibilityExposeHTMLElementEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kEnableAccessibilityExposeHTMLElement);
	}

	// Enable exposing ignored nodes from Blink to the browser process AXTree.
	// This will allow us to simplify logic by eliminating the distiction between
	// "ignored and included in the tree" from "ignored and not included in the
	// tree".
	const base::Feature kEnableAccessibilityExposeIgnoredNodes{
	"AccessibilityExposeIgnoredNodes", base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsAccessibilityExposeIgnoredNodesEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kEnableAccessibilityExposeIgnoredNodes);
	}

	// Enable language detection to determine language used in page text, exposed
	// on the browser process AXTree.
	const base::Feature kEnableAccessibilityLanguageDetection{
	"AccessibilityLanguageDetection", base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsAccessibilityLanguageDetectionEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kEnableAccessibilityLanguageDetection);
	}

	// Serializes accessibility information from the Views tree and deserializes it
	// into an AXTree in the browser process.
	const base::Feature kEnableAccessibilityTreeForViews{
	"AccessibilityTreeForViews", base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsAccessibilityTreeForViewsEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kEnableAccessibilityTreeForViews);
	}

	const base::Feature kAccessibilityFocusHighlight{
	"AccessibilityFocusHighlight", base::FEATURE_ENABLED_BY_DEFAULT};

	bool IsAccessibilityFocusHighlightEnabled() {
	return base::FeatureList::IsEnabled(::features::kAccessibilityFocusHighlight);
	}

	const base::Feature kAutoDisableAccessibility{
	"AutoDisableAccessibility", base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsAutoDisableAccessibilityEnabled() {
	return base::FeatureList::IsEnabled(::features::kAutoDisableAccessibility);
	}

	#if BUILDFLAG(IS_WIN)
	const base::Feature kIChromeAccessible{"IChromeAccessible",
	base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsIChromeAccessibleEnabled() {
	return base::FeatureList::IsEnabled(::features::kIChromeAccessible);
	}

	const base::Feature kSelectiveUIAEnablement{"SelectiveUIAEnablement",
	base::FEATURE_ENABLED_BY_DEFAULT};

	// Returns true if accessibility will be selectively enabled depending on the
	// UIA APIs that are called, allowing non-screenreader usage to enable less of
	// the accessibility system.
	bool IsSelectiveUIAEnablementEnabled() {
	return base::FeatureList::IsEnabled(::features::kSelectiveUIAEnablement);
	}
	#endif // BUILDFLAG(IS_WIN)

	#if BUILDFLAG(IS_CHROMEOS_ASH)
	const base::Feature kMagnifierContinuousMouseFollowingModeSetting{
	"MagnifierContinuousMouseFollowingModeSetting",
	base::FEATURE_ENABLED_BY_DEFAULT};

	bool IsMagnifierContinuousMouseFollowingModeSettingEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kMagnifierContinuousMouseFollowingModeSetting);
	}

	const base::Feature kDockedMagnifierResizing{"DockedMagnifierResizing",
	base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsDockedMagnifierResizingEnabled() {
	return base::FeatureList::IsEnabled(::features::kDockedMagnifierResizing);
	}

	const base::Feature kExperimentalAccessibilityDictationOffline{
	"ExperimentalAccessibilityDictationOffline",
	base::FEATURE_ENABLED_BY_DEFAULT};

	bool IsExperimentalAccessibilityDictationOfflineEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kExperimentalAccessibilityDictationOffline);
	}

	bool IsDictationOfflineAvailableAndEnabled() {
	return base::FeatureList::IsEnabled(
	ash::features::kOnDeviceSpeechRecognition) &&
	IsExperimentalAccessibilityDictationOfflineEnabled();
	}

	const base::Feature kExperimentalAccessibilityDictationCommands{
	"ExperimentalAccessibilityDictationCommands",
	base::FEATURE_ENABLED_BY_DEFAULT};

	bool IsExperimentalAccessibilityDictationCommandsEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kExperimentalAccessibilityDictationCommands);
	}

	const base::Feature kExperimentalAccessibilityDictationExtension{
	"ExperimentalAccessibilityDictationExtension",
	base::FEATURE_ENABLED_BY_DEFAULT};

	bool IsExperimentalAccessibilityDictationExtensionEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kExperimentalAccessibilityDictationExtension);
	}

	const base::Feature kExperimentalAccessibilityDictationHints{
	"ExperimentalAccessibilityDictationHints",
	base::FEATURE_ENABLED_BY_DEFAULT};

	bool IsExperimentalAccessibilityDictationHintsEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kExperimentalAccessibilityDictationHints);
	}

	const base::Feature kExperimentalAccessibilityDictationWithPumpkin{
	"ExperimentalAccessibilityDictationWithPumpkin",
	base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsExperimentalAccessibilityDictationWithPumpkinEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kExperimentalAccessibilityDictationWithPumpkin);
	}

	const base::Feature kEnhancedNetworkVoices{"EnhancedNetworkVoices",
	base::FEATURE_ENABLED_BY_DEFAULT};

	bool IsEnhancedNetworkVoicesEnabled() {
	return base::FeatureList::IsEnabled(::features::kEnhancedNetworkVoices);
	}

	const base::Feature kAccessibilityOSSettingsVisibility{
	"AccessibilityOSSettingsVisibility", base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsAccessibilityOSSettingsVisibilityEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kAccessibilityOSSettingsVisibility);
	}
	#endif // BUILDFLAG(IS_CHROMEOS_ASH)

	const base::Feature kAugmentExistingImageLabels{
	"AugmentExistingImageLabels", base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsAugmentExistingImageLabelsEnabled() {
	return base::FeatureList::IsEnabled(::features::kAugmentExistingImageLabels);
	}

	const base::Feature kUseAXPositionForDocumentMarkers{
	"UseAXPositionForDocumentMarkers", base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsUseAXPositionForDocumentMarkersEnabled() {
	return base::FeatureList::IsEnabled(
	::features::kUseAXPositionForDocumentMarkers);
	}

	const base::Feature kEnableAriaElementReflection{
	"EnableAriaElementReflection", base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsAriaElementReflectionEnabled() {
	return base::FeatureList::IsEnabled(::features::kEnableAriaElementReflection);
	}

	#if BUILDFLAG(IS_ANDROID)
	const base::Feature kComputeAXMode{"ComputeAXMode",
	base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsComputeAXModeEnabled() {
	return base::FeatureList::IsEnabled(::features::kComputeAXMode);
	}
	#endif // BUILDFLAG(IS_ANDROID)

	const base::Feature kReaderModeSidePanel{"ReaderModeSidePanel",
	base::FEATURE_DISABLED_BY_DEFAULT};

	bool IsReaderModeSidePanelEnabled() {
	return base::FeatureList::IsEnabled(::features::kReaderModeSidePanel);
	}

	} // namespace features