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// Copyright 2019 The Chromium Authors
// 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.
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).
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".
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.
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.
BASE_FEATURE(kEnableAccessibilityTreeForViews,
"AccessibilityTreeForViews",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsAccessibilityTreeForViewsEnabled() {
return base::FeatureList::IsEnabled(
::features::kEnableAccessibilityTreeForViews);
}
BASE_FEATURE(kEnableAccessibilityRestrictiveIA2AXModes,
"AccessibilityRestrictiveIA2AXModes",
base::FEATURE_ENABLED_BY_DEFAULT);
bool IsAccessibilityRestrictiveIA2AXModesEnabled() {
return base::FeatureList::IsEnabled(
::features::kEnableAccessibilityRestrictiveIA2AXModes);
}
BASE_FEATURE(kAccessibilityFocusHighlight,
"AccessibilityFocusHighlight",
base::FEATURE_ENABLED_BY_DEFAULT);
bool IsAccessibilityFocusHighlightEnabled() {
return base::FeatureList::IsEnabled(::features::kAccessibilityFocusHighlight);
}
BASE_FEATURE(kAutoDisableAccessibility,
"AutoDisableAccessibility",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsAutoDisableAccessibilityEnabled() {
return base::FeatureList::IsEnabled(::features::kAutoDisableAccessibility);
}
BASE_FEATURE(kTextBasedAudioDescription,
"TextBasedAudioDescription",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsTextBasedAudioDescriptionEnabled() {
return base::FeatureList::IsEnabled(::features::kTextBasedAudioDescription);
}
#if BUILDFLAG(IS_WIN)
BASE_FEATURE(kIChromeAccessible,
"IChromeAccessible",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsIChromeAccessibleEnabled() {
return base::FeatureList::IsEnabled(::features::kIChromeAccessible);
}
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);
}
BASE_FEATURE(kUiaProvider, "UiaProvider", base::FEATURE_DISABLED_BY_DEFAULT);
bool IsUiaProviderEnabled() {
return base::FeatureList::IsEnabled(kUiaProvider);
}
#endif // BUILDFLAG(IS_WIN)
#if BUILDFLAG(IS_CHROMEOS_ASH)
bool IsDictationOfflineAvailable() {
return base::FeatureList::IsEnabled(
ash::features::kOnDeviceSpeechRecognition);
}
BASE_FEATURE(kExperimentalAccessibilityDictationContextChecking,
"ExperimentalAccessibilityDictationContextChecking",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsExperimentalAccessibilityDictationContextCheckingEnabled() {
return base::FeatureList::IsEnabled(
::features::kExperimentalAccessibilityDictationContextChecking);
}
BASE_FEATURE(kExperimentalAccessibilityGoogleTtsLanguagePacks,
"ExperimentalAccessibilityGoogleTtsLanguagePacks",
base::FEATURE_ENABLED_BY_DEFAULT);
bool IsExperimentalAccessibilityGoogleTtsLanguagePacksEnabled() {
return base::FeatureList::IsEnabled(
::features::kExperimentalAccessibilityGoogleTtsLanguagePacks);
}
BASE_FEATURE(kExperimentalAccessibilityGoogleTtsHighQualityVoices,
"ExperimentalAccessibilityGoogleTtsHighQualityVoices",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsExperimentalAccessibilityGoogleTtsHighQualityVoicesEnabled() {
return base::FeatureList::IsEnabled(
::features::kExperimentalAccessibilityGoogleTtsHighQualityVoices);
}
BASE_FEATURE(kAccessibilityDictationKeyboardImprovements,
"AccessibilityDictationKeyboardImprovements",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsAccessibilityDictationKeyboardImprovementsEnabled() {
return base::FeatureList::IsEnabled(
::features::kAccessibilityDictationKeyboardImprovements);
}
BASE_FEATURE(kAccessibilitySelectToSpeakHoverTextImprovements,
"AccessibilitySelectToSpeakHoverTextImprovements",
base::FEATURE_ENABLED_BY_DEFAULT);
bool IsAccessibilitySelectToSpeakHoverTextImprovementsEnabled() {
return base::FeatureList::IsEnabled(
::features::kAccessibilitySelectToSpeakHoverTextImprovements);
}
BASE_FEATURE(kAccessibilityAcceleratorNotificationsTimeout,
"AccessibilityAcceleratorNotificationsTimeout",
base::FEATURE_ENABLED_BY_DEFAULT);
bool IsAccessibilityAcceleratorNotificationsTimeoutEnabled() {
return base::FeatureList::IsEnabled(
::features::kAccessibilityAcceleratorNotificationsTimeout);
}
BASE_FEATURE(kAccessibilityGameFaceIntegration,
"AccessibilityGameFaceIntegration",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsAccessibilityGameFaceIntegrationEnabled() {
return base::FeatureList::IsEnabled(
::features::kAccessibilityGameFaceIntegration);
}
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
BASE_FEATURE(kBacklightOcr, "BacklightOcr", base::FEATURE_DISABLED_BY_DEFAULT);
bool IsBacklightOcrEnabled() {
return base::FeatureList::IsEnabled(features::kBacklightOcr);
}
BASE_FEATURE(kAugmentExistingImageLabels,
"AugmentExistingImageLabels",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsAugmentExistingImageLabelsEnabled() {
return base::FeatureList::IsEnabled(::features::kAugmentExistingImageLabels);
}
BASE_FEATURE(kUseAXPositionForDocumentMarkers,
"UseAXPositionForDocumentMarkers",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsUseAXPositionForDocumentMarkersEnabled() {
return base::FeatureList::IsEnabled(
::features::kUseAXPositionForDocumentMarkers);
}
BASE_FEATURE(kEnableAriaElementReflection,
"EnableAriaElementReflection",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsAriaElementReflectionEnabled() {
return base::FeatureList::IsEnabled(::features::kEnableAriaElementReflection);
}
BASE_FEATURE(kAblateSendPendingAccessibilityEvents,
"AblateSendPendingAccessibilityEvents",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsAblateSendPendingAccessibilityEventsEnabled() {
return base::FeatureList::IsEnabled(
::features::kAblateSendPendingAccessibilityEvents);
}
#if BUILDFLAG(IS_ANDROID)
BASE_FEATURE(kAccessibilityPerformanceFiltering,
"AccessibilityPerformanceFiltering",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsAccessibilityPerformanceFilteringEnabled() {
return base::FeatureList::IsEnabled(
::features::kAccessibilityPerformanceFiltering);
}
#endif // BUILDFLAG(IS_ANDROID)
#if !BUILDFLAG(IS_ANDROID)
BASE_FEATURE(kReadAnything, "ReadAnything", base::FEATURE_DISABLED_BY_DEFAULT);
bool IsReadAnythingEnabled() {
return base::FeatureList::IsEnabled(::features::kReadAnything);
}
BASE_FEATURE(kReadAnythingWithScreen2x,
"ReadAnythingWithScreen2x",
base::FEATURE_DISABLED_BY_DEFAULT);
// This feature can be used as an emergency kill switch to disable Screen AI
// main content extraction service in case of security or other issues.
// Please talk to components/services/screen_ai/OWNERS if any changes to this
// feature or its functionality is needed.
BASE_FEATURE(kEmergencyDisableScreenAIMainContentExtraction,
"EmergencyDisableScreenAIMainContentExtraction",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsReadAnythingWithScreen2xEnabled() {
return base::FeatureList::IsEnabled(::features::kReadAnythingWithScreen2x) &&
!base::FeatureList::IsEnabled(
::features::kEmergencyDisableScreenAIMainContentExtraction);
}
// This feature is only used for generating training data for Screen2x and should
// never be used in any other circumstance, and should not be enabled by default.
BASE_FEATURE(kDataCollectionModeForScreen2x,
"DataCollectionModeForScreen2x",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsDataCollectionModeForScreen2xEnabled() {
return base::FeatureList::IsEnabled(
::features::kDataCollectionModeForScreen2x);
}
// This feature is only for debug purposes and for security/privacy reasons,
// should be never enabled by default .
BASE_FEATURE(kScreenAIDebugMode,
"ScreenAIDebugMode",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsScreenAIDebugModeEnabled() {
return base::FeatureList::IsEnabled(::features::kScreenAIDebugMode);
}
// This feature can be used as an emergency kill switch to disable Screen AI
// OCR service in case of security or other issues.
// Please talk to components/services/screen_ai/OWNERS if any changes to this
// feature or its functionality is needed.
BASE_FEATURE(kEmergencyDisableScreenAIOCR,
"EmergencyDisableScreenAIOCR",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kReadAnythingWebUIToolbar,
"ReadAnythingWebUIToolbar",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsReadAnythingWebUIToolbarEnabled() {
return base::FeatureList::IsEnabled(::features::kReadAnythingWebUIToolbar);
}
BASE_FEATURE(kReadAnythingReadAloud,
"ReadAnythingReadAloud",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsReadAnythingReadAloudEnabled() {
return base::FeatureList::IsEnabled(::features::kReadAnythingReadAloud);
}
BASE_FEATURE(kPdfOcr, "PdfOcr", base::FEATURE_DISABLED_BY_DEFAULT);
bool IsPdfOcrEnabled() {
return base::FeatureList::IsEnabled(::features::kPdfOcr) &&
!base::FeatureList::IsEnabled(
::features::kEmergencyDisableScreenAIOCR);
}
BASE_FEATURE(kLayoutExtraction,
"LayoutExtraction",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsLayoutExtractionEnabled() {
return base::FeatureList::IsEnabled(::features::kLayoutExtraction);
}
BASE_FEATURE(kAccessibilityService,
"AccessibilityService",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsAccessibilityServiceEnabled() {
return base::FeatureList::IsEnabled(::features::kAccessibilityService);
}
#endif // !BUILDFLAG(IS_ANDROID)
#if BUILDFLAG(IS_MAC)
BASE_FEATURE(kAccessibilityRemoteUIApp,
"AccessibilityRemoteUIApp",
base::FEATURE_ENABLED_BY_DEFAULT);
bool IsAccessibilityRemoteUIAppEnabled() {
return base::FeatureList::IsEnabled(::features::kAccessibilityRemoteUIApp);
}
#endif // BUILDFLAG(IS_MAC)
} // namespace features
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