// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "ash/accessibility/accessibility_controller.h"
#include <map>
#include <memory>
#include <set>
#include <string>
#include <utility>
#include "ash/accelerators/accelerator_controller_impl.h"
#include "ash/accessibility/a11y_feature_type.h"
#include "ash/accessibility/accessibility_notification_controller.h"
#include "ash/accessibility/accessibility_observer.h"
#include "ash/accessibility/autoclick/autoclick_controller.h"
#include "ash/accessibility/disable_trackpad_event_rewriter.h"
#include "ash/accessibility/filter_keys_event_rewriter.h"
#include "ash/accessibility/flash_screen_controller.h"
#include "ash/accessibility/mouse_keys/mouse_keys_controller.h"
#include "ash/accessibility/sticky_keys/sticky_keys_controller.h"
#include "ash/accessibility/switch_access/point_scan_controller.h"
#include "ash/accessibility/ui/accessibility_highlight_controller.h"
#include "ash/accessibility/ui/accessibility_panel_layout_manager.h"
#include "ash/color_enhancement/color_enhancement_controller.h"
#include "ash/constants/ash_constants.h"
#include "ash/constants/ash_features.h"
#include "ash/constants/ash_pref_names.h"
#include "ash/constants/notifier_catalogs.h"
#include "ash/events/accessibility_event_rewriter.h"
#include "ash/events/event_rewriter_controller_impl.h"
#include "ash/events/select_to_speak_event_handler.h"
#include "ash/keyboard/keyboard_controller_impl.h"
#include "ash/keyboard/ui/keyboard_util.h"
#include "ash/login_status.h"
#include "ash/policy/policy_recommendation_restorer.h"
#include "ash/public/cpp/accessibility_controller_client.h"
#include "ash/public/cpp/ash_constants.h"
#include "ash/public/cpp/notification_utils.h"
#include "ash/public/cpp/session/session_observer.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/public/cpp/system/anchored_nudge_data.h"
#include "ash/public/cpp/system/anchored_nudge_manager.h"
#include "ash/public/cpp/system_tray_client.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/root_window_controller.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/system/accessibility/accessibility_feature_disable_dialog.h"
#include "ash/system/accessibility/dictation_bubble_controller.h"
#include "ash/system/accessibility/dictation_button_tray.h"
#include "ash/system/accessibility/floating_accessibility_controller.h"
#include "ash/system/accessibility/select_to_speak/select_to_speak_menu_bubble_controller.h"
#include "ash/system/accessibility/switch_access/switch_access_menu_bubble_controller.h"
#include "ash/system/model/system_tray_model.h"
#include "ash/system/power/backlights_forced_off_setter.h"
#include "ash/system/power/power_status.h"
#include "ash/system/power/scoped_backlights_forced_off.h"
#include "ash/system/unified/unified_system_tray.h"
#include "ash/system/unified/unified_system_tray_bubble.h"
#include "ash/wm/window_util.h"
#include "base/check_op.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr_exclusion.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "base/strings/string_number_conversions.h"
#include "chromeos/ash/components/audio/cras_audio_handler.h"
#include "chromeos/ash/components/audio/sounds.h"
#include "components/live_caption/caption_util.h"
#include "components/live_caption/pref_names.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/pref_change_registrar.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/session_manager/session_manager_types.h"
#include "components/user_manager/user_type.h"
#include "components/vector_icons/vector_icons.h"
#include "media/base/media_switches.h"
#include "ui/accessibility/accessibility_features.h"
#include "ui/accessibility/aura/aura_window_properties.h"
#include "ui/aura/window.h"
#include "ui/base/cursor/cursor_size.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/display/screen.h"
#include "ui/display/tablet_state.h"
#include "ui/events/ash/keyboard_capability.h"
#include "ui/events/base_event_utils.h"
#include "ui/events/devices/device_data_manager.h"
#include "ui/events/devices/keyboard_device.h"
#include "ui/events/event_sink.h"
#include "ui/gfx/animation/animation.h"
#include "ui/message_center/message_center.h"
#include "ui/message_center/public/cpp/notifier_id.h"
#include "ui/native_theme/native_theme.h"
#include "ui/strings/grit/ui_strings.h"
#include "ui/wm/core/coordinate_conversion.h"
#include "ui/wm/core/cursor_manager.h"
using session_manager::SessionState;
namespace ash {
namespace {
// How much distance to travel with each generated scroll event.
const int kScrollDelta = 15;
AccessibilityController* g_instance = nullptr;
using FeatureType = A11yFeatureType;
// These classes are used to store the static configuration for a11y features.
struct FeatureData {
FeatureType type;
const char* pref;
// This field is not a raw_ptr<> because it was filtered by the rewriter
// for: #global-scope
RAW_PTR_EXCLUSION const gfx::VectorIcon* icon;
const int name_resource_id;
bool toggleable_in_quicksettings = true;
FeatureType conflicting_feature = FeatureType::kNoConflictingFeature;
};
struct FeatureDialogData {
FeatureType type;
const char* pref;
int title;
int body;
};
// A static array describing each feature.
const FeatureData kFeatures[] = {
{FeatureType::kAutoclick, prefs::kAccessibilityAutoclickEnabled,
&kSystemMenuAccessibilityAutoClickIcon,
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_AUTOCLICK},
{FeatureType::kCaretHighlight, prefs::kAccessibilityCaretHighlightEnabled,
nullptr, IDS_ASH_STATUS_TRAY_ACCESSIBILITY_CARET_HIGHLIGHT},
{FeatureType::kCursorHighlight, prefs::kAccessibilityCursorHighlightEnabled,
nullptr, IDS_ASH_STATUS_TRAY_ACCESSIBILITY_HIGHLIGHT_MOUSE_CURSOR},
{FeatureType::kCursorColor, prefs::kAccessibilityCursorColorEnabled,
nullptr, 0, /*toggleable_in_quicksettings=*/false},
{FeatureType::kDictation, prefs::kAccessibilityDictationEnabled,
&kDictationMenuIcon, IDS_ASH_STATUS_TRAY_ACCESSIBILITY_DICTATION},
{FeatureType::kColorCorrection, prefs::kAccessibilityColorCorrectionEnabled,
&kColorCorrectionIcon, IDS_ASH_STATUS_TRAY_ACCESSIBILITY_COLOR_CORRECTION},
{FeatureType::kFlashNotifications,
prefs::kAccessibilityFlashNotificationsEnabled, nullptr, 0,
/*toggleable_in_quicksettings=*/false},
{FeatureType::kFocusHighlight, prefs::kAccessibilityFocusHighlightEnabled,
nullptr, IDS_ASH_STATUS_TRAY_ACCESSIBILITY_HIGHLIGHT_KEYBOARD_FOCUS,
/*toggleable_in_quicksettings=*/true,
/* conflicting_feature= */ FeatureType::kSpokenFeedback},
{FeatureType::kFloatingMenu, prefs::kAccessibilityFloatingMenuEnabled,
nullptr, IDS_ASH_FLOATING_ACCESSIBILITY_MAIN_MENU,
/*toggleable_in_quicksettings=*/false},
{FeatureType::kFullscreenMagnifier,
prefs::kAccessibilityScreenMagnifierEnabled,
&kSystemMenuAccessibilityFullscreenMagnifierIcon,
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SCREEN_MAGNIFIER},
{FeatureType::kDockedMagnifier, prefs::kDockedMagnifierEnabled,
&kSystemMenuAccessibilityDockedMagnifierIcon,
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_DOCKED_MAGNIFIER},
{FeatureType::kHighContrast, prefs::kAccessibilityHighContrastEnabled,
&kSystemMenuAccessibilityContrastIcon,
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_HIGH_CONTRAST_MODE},
{FeatureType::kLargeCursor, prefs::kAccessibilityLargeCursorEnabled,
nullptr, IDS_ASH_STATUS_TRAY_ACCESSIBILITY_LARGE_CURSOR},
{FeatureType::kLiveCaption, ::prefs::kLiveCaptionEnabled,
&vector_icons::kLiveCaptionOnIcon, IDS_ASH_STATUS_TRAY_LIVE_CAPTION},
{FeatureType::kMonoAudio, prefs::kAccessibilityMonoAudioEnabled, nullptr,
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_MONO_AUDIO},
{FeatureType::kMouseKeys, prefs::kAccessibilityMouseKeysEnabled, nullptr, 0,
/*toggleable_in_quicksettings=*/false},
{FeatureType::kSpokenFeedback, prefs::kAccessibilitySpokenFeedbackEnabled,
&kSystemMenuAccessibilityChromevoxIcon,
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SPOKEN_FEEDBACK},
{FeatureType::kReducedAnimations,
prefs::kAccessibilityReducedAnimationsEnabled, nullptr, 0,
/*toggleable_in_quicksettings=*/false},
{FeatureType::kSelectToSpeak, prefs::kAccessibilitySelectToSpeakEnabled,
&kSystemMenuAccessibilitySelectToSpeakIcon,
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SELECT_TO_SPEAK},
{FeatureType::kStickyKeys, prefs::kAccessibilityStickyKeysEnabled, nullptr,
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_STICKY_KEYS,
/*toggleable_in_quicksettings=*/true,
/*conflicting_feature=*/FeatureType::kSpokenFeedback},
{FeatureType::kSwitchAccess, prefs::kAccessibilitySwitchAccessEnabled,
&kSwitchAccessIcon, IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SWITCH_ACCESS},
{FeatureType::kVirtualKeyboard, prefs::kAccessibilityVirtualKeyboardEnabled,
&kSystemMenuKeyboardLegacyIcon,
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_VIRTUAL_KEYBOARD},
{FeatureType::kFaceGaze, prefs::kAccessibilityFaceGazeEnabled, nullptr,
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_FACEGAZE,
/*toggleable_in_quicksettings=*/true},
{FeatureType::kDisableTrackpad, prefs::kAccessibilityDisableTrackpadEnabled,
nullptr, 0, /*toggleable_in_quicksettings=*/false},
};
// An array describing the confirmation dialogs for the features which have
// them.
const FeatureDialogData kFeatureDialogs[] = {
{FeatureType::kFullscreenMagnifier,
prefs::kScreenMagnifierAcceleratorDialogHasBeenAccepted},
{FeatureType::kDockedMagnifier,
prefs::kDockedMagnifierAcceleratorDialogHasBeenAccepted},
{FeatureType::kHighContrast,
prefs::kHighContrastAcceleratorDialogHasBeenAccepted}};
constexpr char kNotificationId[] = "chrome://settings/accessibility";
constexpr char kNotifierAccessibility[] = "ash.accessibility";
constexpr char kDictationLanguageUpgradedNudgeId[] =
"dictation_language_upgraded.nudge_id";
// TODO(warx): Signin screen has more controllable accessibility prefs. We may
// want to expand this to a complete list. If so, merge this with
// |kCopiedOnSigninAccessibilityPrefs|.
constexpr const char* const kA11yPrefsForRecommendedValueOnSignin[]{
prefs::kAccessibilityLargeCursorEnabled,
prefs::kAccessibilityHighContrastEnabled,
prefs::kAccessibilityScreenMagnifierEnabled,
prefs::kAccessibilitySpokenFeedbackEnabled,
prefs::kAccessibilityVirtualKeyboardEnabled,
};
// List of accessibility prefs that are to be copied (if changed by the user) on
// signin screen profile to a newly created user profile or a guest session.
constexpr const char* const kCopiedOnSigninAccessibilityPrefs[]{
prefs::kAccessibilityAutoclickDelayMs,
prefs::kAccessibilityAutoclickEnabled,
prefs::kAccessibilityCaretHighlightEnabled,
prefs::kAccessibilityChromeVoxAutoRead,
prefs::kAccessibilityChromeVoxAnnounceDownloadNotifications,
prefs::kAccessibilityChromeVoxAnnounceRichTextAttributes,
prefs::kAccessibilityChromeVoxAudioStrategy,
prefs::kAccessibilityChromeVoxBrailleSideBySide,
prefs::kAccessibilityChromeVoxBrailleTable,
prefs::kAccessibilityChromeVoxBrailleTable6,
prefs::kAccessibilityChromeVoxBrailleTable8,
prefs::kAccessibilityChromeVoxBrailleTableType,
prefs::kAccessibilityChromeVoxBrailleWordWrap,
prefs::kAccessibilityChromeVoxCapitalStrategy,
prefs::kAccessibilityChromeVoxCapitalStrategyBackup,
prefs::kAccessibilityChromeVoxEnableBrailleLogging,
prefs::kAccessibilityChromeVoxEnableEarconLogging,
prefs::kAccessibilityChromeVoxEnableEventStreamLogging,
prefs::kAccessibilityChromeVoxEnableSpeechLogging,
prefs::kAccessibilityChromeVoxEventStreamFilters,
prefs::kAccessibilityChromeVoxLanguageSwitching,
prefs::kAccessibilityChromeVoxMenuBrailleCommands,
prefs::kAccessibilityChromeVoxNumberReadingStyle,
prefs::kAccessibilityChromeVoxPreferredBrailleDisplayAddress,
prefs::kAccessibilityChromeVoxPunctuationEcho,
prefs::kAccessibilityChromeVoxSmartStickyMode,
prefs::kAccessibilityChromeVoxSpeakTextUnderMouse,
prefs::kAccessibilityChromeVoxUsePitchChanges,
prefs::kAccessibilityChromeVoxUseVerboseMode,
prefs::kAccessibilityChromeVoxVirtualBrailleColumns,
prefs::kAccessibilityChromeVoxVirtualBrailleRows,
prefs::kAccessibilityChromeVoxVoiceName,
prefs::kAccessibilityColorCorrectionEnabled,
prefs::kAccessibilityCursorHighlightEnabled,
prefs::kAccessibilityCursorColorEnabled,
prefs::kAccessibilityCursorColor,
prefs::kAccessibilityDictationEnabled,
prefs::kAccessibilityDictationLocale,
prefs::kAccessibilityDictationLocaleOfflineNudge,
prefs::kAccessibilityDisableTrackpadEnabled,
prefs::kAccessibilityDisableTrackpadMode,
prefs::kAccessibilityFocusHighlightEnabled,
prefs::kAccessibilityHighContrastEnabled,
prefs::kAccessibilityLargeCursorEnabled,
prefs::kAccessibilityFaceGazeEnabled,
prefs::kAccessibilityMonoAudioEnabled,
prefs::kAccessibilityReducedAnimationsEnabled,
prefs::kAccessibilityMouseKeysEnabled,
prefs::kAccessibilityMouseKeysAcceleration,
prefs::kAccessibilityMouseKeysMaxSpeed,
prefs::kAccessibilityMouseKeysUsePrimaryKeys,
prefs::kAccessibilityMouseKeysDominantHand,
prefs::kAccessibilityScreenMagnifierEnabled,
prefs::kAccessibilityScreenMagnifierFocusFollowingEnabled,
prefs::kAccessibilityMagnifierFollowsChromeVox,
prefs::kAccessibilityMagnifierFollowsSts,
prefs::kAccessibilityScreenMagnifierMouseFollowingMode,
prefs::kAccessibilityScreenMagnifierScale,
prefs::kAccessibilitySelectToSpeakEnabled,
prefs::kAccessibilitySpokenFeedbackEnabled,
prefs::kAccessibilityStickyKeysEnabled,
prefs::kAccessibilityShortcutsEnabled,
prefs::kAccessibilitySwitchAccessEnabled,
prefs::kAccessibilityVirtualKeyboardEnabled,
prefs::kDockedMagnifierEnabled,
prefs::kDockedMagnifierScale,
prefs::kDockedMagnifierScreenHeightDivisor,
prefs::kHighContrastAcceleratorDialogHasBeenAccepted,
prefs::kScreenMagnifierAcceleratorDialogHasBeenAccepted,
prefs::kDockedMagnifierAcceleratorDialogHasBeenAccepted,
prefs::kDictationAcceleratorDialogHasBeenAccepted,
prefs::kDictationDlcSuccessNotificationHasBeenShown,
prefs::kDictationDlcOnlyPumpkinDownloadedNotificationHasBeenShown,
prefs::kDictationDlcOnlySodaDownloadedNotificationHasBeenShown,
prefs::kDictationNoDlcsDownloadedNotificationHasBeenShown,
prefs::kDisplayRotationAcceleratorDialogHasBeenAccepted2,
prefs::kSelectToSpeakAcceleratorDialogHasBeenAccepted,
prefs::kAccessibilityFaceGazeAcceleratorDialogHasBeenAccepted,
prefs::kFaceGazeDlcSuccessNotificationHasBeenShown,
prefs::kFaceGazeDlcFailureNotificationHasBeenShown,
};
// List of switch access accessibility prefs that are to be copied (if changed
// by the user) from the current user to the signin screen profile. That way
// if a switch access user signs out, their switch continues to function.
constexpr const char* const kSwitchAccessPrefsCopiedToSignin[]{
prefs::kAccessibilitySwitchAccessAutoScanEnabled,
prefs::kAccessibilitySwitchAccessAutoScanKeyboardSpeedMs,
prefs::kAccessibilitySwitchAccessAutoScanSpeedMs,
prefs::kAccessibilitySwitchAccessPointScanSpeedDipsPerSecond,
prefs::kAccessibilitySwitchAccessEnabled,
prefs::kAccessibilitySwitchAccessNextDeviceKeyCodes,
prefs::kAccessibilitySwitchAccessPreviousDeviceKeyCodes,
prefs::kAccessibilitySwitchAccessSelectDeviceKeyCodes,
};
// Helper function that is used to verify the validity of kFeatures and
// kFeatureDialogs.
bool VerifyFeaturesData() {
// All feature prefs must be unique.
std::set<const char*> feature_prefs;
for (auto feature_data : kFeatures) {
if (base::Contains(feature_prefs, feature_data.pref)) {
return false;
}
feature_prefs.insert(feature_data.pref);
}
for (auto dialog_data : kFeatureDialogs) {
if (base::Contains(feature_prefs, dialog_data.pref)) {
return false;
}
feature_prefs.insert(dialog_data.pref);
}
return true;
}
// Returns true if |pref_service| is the one used for the signin screen.
bool IsSigninPrefService(PrefService* pref_service) {
const PrefService* signin_pref_service =
Shell::Get()->session_controller()->GetSigninScreenPrefService();
DCHECK(signin_pref_service);
return pref_service == signin_pref_service;
}
// Returns true if the current session is the guest session.
bool IsCurrentSessionGuest() {
const std::optional<user_manager::UserType> user_type =
Shell::Get()->session_controller()->GetUserType();
return user_type && *user_type == user_manager::UserType::kGuest;
}
bool IsUserFirstLogin() {
return Shell::Get()->session_controller()->IsUserFirstLogin();
}
// The copying of any modified accessibility prefs on the signin prefs happens
// when the |previous_pref_service| is of the signin profile, and the
// |current_pref_service| is of a newly created profile first logged in, or if
// the current session is the guest session.
bool ShouldCopySigninPrefs(PrefService* previous_pref_service,
PrefService* current_pref_service) {
DCHECK(previous_pref_service);
if (IsUserFirstLogin() && IsSigninPrefService(previous_pref_service) &&
!IsSigninPrefService(current_pref_service)) {
// If the user set a pref value on the login screen and is now starting a
// session with a new profile, copy the pref value to the profile.
return true;
}
if (IsCurrentSessionGuest()) {
// Guest sessions don't have their own prefs, so always copy.
return true;
}
return false;
}
// On a user's first login into a device, any a11y features enabled/disabled
// by the user on the login screen are enabled/disabled in the user's profile.
// This function copies settings from the signin prefs into the user's prefs
// when it detects a login with a newly created profile.
void CopySigninPrefsIfNeeded(PrefService* previous_pref_service,
PrefService* current_pref_service) {
DCHECK(current_pref_service);
if (!ShouldCopySigninPrefs(previous_pref_service, current_pref_service)) {
return;
}
PrefService* signin_prefs =
Shell::Get()->session_controller()->GetSigninScreenPrefService();
DCHECK(signin_prefs);
for (const auto* pref_path : kCopiedOnSigninAccessibilityPrefs) {
const PrefService::Preference* pref =
signin_prefs->FindPreference(pref_path);
// Ignore if the pref has not been set by the user.
if (!pref || !pref->IsUserControlled()) {
continue;
}
// Copy the pref value from the signin profile.
const base::Value* value_on_login = pref->GetValue();
current_pref_service->Set(pref_path, *value_on_login);
}
}
// Returns notification icon based on the A11yNotificationType.
const gfx::VectorIcon& GetNotificationIcon(A11yNotificationType type) {
switch (type) {
case A11yNotificationType::kSpokenFeedbackBrailleEnabled:
return kNotificationAccessibilityIcon;
case A11yNotificationType::kBrailleDisplayConnected:
return kNotificationAccessibilityBrailleIcon;
case A11yNotificationType::kSwitchAccessEnabled:
return kSwitchAccessIcon;
case A11yNotificationType::kDictationAllDlcsDownloaded:
case A11yNotificationType::kDictationNoDlcsDownloaded:
case A11yNotificationType::kDicationOnlyPumpkinDownloaded:
case A11yNotificationType::kDictationOnlySodaDownloaded:
return kDictationMenuIcon;
default:
return kNotificationChromevoxIcon;
}
}
void ShowAccessibilityNotification(
const AccessibilityController::A11yNotificationWrapper& wrapper) {
A11yNotificationType type = wrapper.type;
const auto& replacements = wrapper.replacements;
message_center::MessageCenter* message_center =
message_center::MessageCenter::Get();
message_center->RemoveNotification(kNotificationId, false /* by_user */);
if (type == A11yNotificationType::kNone) {
return;
}
std::u16string text;
std::u16string title;
std::u16string display_source;
auto catalog_name = NotificationCatalogName::kNone;
bool pinned = true;
message_center::SystemNotificationWarningLevel warning =
message_center::SystemNotificationWarningLevel::NORMAL;
if (type == A11yNotificationType::kBrailleDisplayConnected) {
title = l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_BRAILLE_DISPLAY_CONNECTED);
catalog_name = NotificationCatalogName::kBrailleDisplayConnected;
} else if (type == A11yNotificationType::kDictationAllDlcsDownloaded) {
display_source =
l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_ACCESSIBILITY_DICTATION);
title = l10n_util::GetStringFUTF16(
IDS_ASH_A11Y_DICTATION_NOTIFICATION_ALL_DLCS_DOWNLOADED_TITLE,
replacements, nullptr);
text = l10n_util::GetStringUTF16(
IDS_ASH_A11Y_DICTATION_NOTIFICATION_ALL_DLCS_DOWNLOADED_DESC);
catalog_name = NotificationCatalogName::kDictationAllDlcsDownloaded;
pinned = false;
} else if (type == A11yNotificationType::kDictationNoDlcsDownloaded) {
display_source =
l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_ACCESSIBILITY_DICTATION);
title = l10n_util::GetStringFUTF16(
IDS_ASH_A11Y_DICTATION_NOTIFICATION_NO_DLCS_DOWNLOADED_TITLE,
replacements, nullptr);
text = l10n_util::GetStringUTF16(
IDS_ASH_A11Y_DICTATION_NOTIFICATION_NO_DLCS_DOWNLOADED_DESC);
catalog_name = NotificationCatalogName::kDictationNoDlcsDownloaded;
pinned = false;
// Use CRITICAL_WARNING to force the notification color to red.
warning = message_center::SystemNotificationWarningLevel::CRITICAL_WARNING;
} else if (type == A11yNotificationType::kDicationOnlyPumpkinDownloaded) {
display_source =
l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_ACCESSIBILITY_DICTATION);
title = l10n_util::GetStringFUTF16(
IDS_ASH_A11Y_DICTATION_NOTIFICATION_ONLY_PUMPKIN_DOWNLOADED_TITLE,
replacements, nullptr);
text = l10n_util::GetStringUTF16(
IDS_ASH_A11Y_DICTATION_NOTIFICATION_ONLY_PUMPKIN_DOWNLOADED_DESC);
catalog_name = NotificationCatalogName::kDicationOnlyPumpkinDownloaded;
pinned = false;
// Use CRITICAL_WARNING to force the notification color to red.
warning = message_center::SystemNotificationWarningLevel::CRITICAL_WARNING;
} else if (type == A11yNotificationType::kDictationOnlySodaDownloaded) {
display_source =
l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_ACCESSIBILITY_DICTATION);
title = l10n_util::GetStringFUTF16(
IDS_ASH_A11Y_DICTATION_NOTIFICATION_ONLY_SODA_DOWNLOADED_TITLE,
replacements, nullptr);
text = l10n_util::GetStringUTF16(
IDS_ASH_A11Y_DICTATION_NOTIFICATION_ONLY_SODA_DOWNLOADED_DESC);
catalog_name = NotificationCatalogName::kDictationOnlySodaDownloaded;
pinned = false;
// Use CRITICAL_WARNING to force the notification color to red.
warning = message_center::SystemNotificationWarningLevel::CRITICAL_WARNING;
} else if (type == A11yNotificationType::kFaceGazeAssetsDownloaded) {
title = l10n_util::GetStringUTF16(
IDS_ASH_A11Y_FACEGAZE_ASSETS_DOWNLOADED_TITLE);
text =
l10n_util::GetStringUTF16(IDS_ASH_A11Y_FACEGAZE_ASSETS_DOWNLOADED_DESC);
catalog_name = NotificationCatalogName::kFaceGazeAssetsDownloaded;
pinned = false;
} else if (type == A11yNotificationType::kFaceGazeAssetsFailed) {
title =
l10n_util::GetStringUTF16(IDS_ASH_A11Y_FACEGAZE_ASSETS_FAILED_TITLE);
text = l10n_util::GetStringUTF16(IDS_ASH_A11Y_FACEGAZE_ASSETS_FAILED_DESC);
catalog_name = NotificationCatalogName::kFaceGazeAssetsFailed;
pinned = false;
// Use CRITICAL_WARNING to force the notification color to red.
warning = message_center::SystemNotificationWarningLevel::CRITICAL_WARNING;
} else if (type == A11yNotificationType::kSwitchAccessEnabled) {
title = l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_SWITCH_ACCESS_ENABLED_TITLE);
text = l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_SWITCH_ACCESS_ENABLED);
catalog_name = NotificationCatalogName::kSwitchAccessEnabled;
} else {
bool is_tablet = display::Screen::GetScreen()->InTabletMode();
title = l10n_util::GetStringUTF16(
type == A11yNotificationType::kSpokenFeedbackBrailleEnabled
? IDS_ASH_STATUS_TRAY_SPOKEN_FEEDBACK_BRAILLE_ENABLED_TITLE
: IDS_ASH_STATUS_TRAY_SPOKEN_FEEDBACK_ENABLED_TITLE);
text = l10n_util::GetStringUTF16(
is_tablet ? IDS_ASH_STATUS_TRAY_SPOKEN_FEEDBACK_ENABLED_TABLET
: IDS_ASH_STATUS_TRAY_SPOKEN_FEEDBACK_ENABLED);
catalog_name = type == A11yNotificationType::kSpokenFeedbackBrailleEnabled
? NotificationCatalogName::kSpokenFeedbackBrailleEnabled
: NotificationCatalogName::kSpokenFeedbackEnabled;
}
message_center::RichNotificationData options;
options.should_make_spoken_feedback_for_popup_updates = false;
std::unique_ptr<message_center::Notification> notification =
ash::CreateSystemNotificationPtr(
message_center::NOTIFICATION_TYPE_SIMPLE, kNotificationId, title,
text, display_source, GURL(),
message_center::NotifierId(
message_center::NotifierType::SYSTEM_COMPONENT,
kNotifierAccessibility, catalog_name),
options, nullptr, GetNotificationIcon(type), warning);
notification->set_pinned(pinned);
message_center->AddNotification(std::move(notification));
}
void RemoveAccessibilityNotification() {
ShowAccessibilityNotification(
AccessibilityController::A11yNotificationWrapper(
A11yNotificationType::kNone, std::vector<std::u16string>()));
}
AccessibilityPanelLayoutManager* GetLayoutManager() {
// The accessibility panel is only shown on the primary display.
aura::Window* root = Shell::GetPrimaryRootWindow();
aura::Window* container =
Shell::GetContainer(root, kShellWindowId_AccessibilityPanelContainer);
// TODO(jamescook): Avoid this cast by moving ash::AccessibilityObserver
// ownership to this class and notifying it on accessibility panel fullscreen
// updates.
return static_cast<AccessibilityPanelLayoutManager*>(
container->layout_manager());
}
std::string PrefKeyForSwitchAccessCommand(SwitchAccessCommand command) {
switch (command) {
case SwitchAccessCommand::kSelect:
return prefs::kAccessibilitySwitchAccessSelectDeviceKeyCodes;
case SwitchAccessCommand::kNext:
return prefs::kAccessibilitySwitchAccessNextDeviceKeyCodes;
case SwitchAccessCommand::kPrevious:
return prefs::kAccessibilitySwitchAccessPreviousDeviceKeyCodes;
case SwitchAccessCommand::kNone:
NOTREACHED();
}
}
std::string UmaNameForSwitchAccessCommand(SwitchAccessCommand command) {
switch (command) {
case SwitchAccessCommand::kSelect:
return "Accessibility.CrosSwitchAccess.SelectKeyCode";
case SwitchAccessCommand::kNext:
return "Accessibility.CrosSwitchAccess.NextKeyCode";
case SwitchAccessCommand::kPrevious:
return "Accessibility.CrosSwitchAccess.PreviousKeyCode";
case SwitchAccessCommand::kNone:
NOTREACHED();
}
}
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class SwitchAccessKeyCode {
kUnknown = 0,
kKeycode1 = 1,
kKeycode2 = 2,
kKeycode3 = 3,
kKeycode4 = 4,
kKeycode5 = 5,
kKeycode6 = 6,
kKeycode7 = 7,
kBackspace = 8,
kTab = 9,
kKeycode10 = 10,
kKeycode11 = 11,
kClear = 12,
kReturn = 13,
kKeycode14 = 14,
kKeycode15 = 15,
kShift = 16,
kControl = 17,
kAlt = 18,
kPause = 19,
kCapital = 20,
kKana = 21,
kKeycode22 = 22,
kJunja = 23,
kFinal = 24,
kHanja = 25,
kKeycode26 = 26,
kEscape = 27,
kConvert = 28,
kNonconvert = 29,
kAccept = 30,
kModechange = 31,
kSpace = 32,
kPrior = 33,
kNext = 34,
kEnd = 35,
kHome = 36,
kLeft = 37,
kUp = 38,
kRight = 39,
kDown = 40,
kSelect = 41,
kPrint = 42,
kExecute = 43,
kSnapshot = 44,
kInsert = 45,
kKeyDelete = 46,
kHelp = 47,
kNum0 = 48,
kNum1 = 49,
kNum2 = 50,
kNum3 = 51,
kNum4 = 52,
kNum5 = 53,
kNum6 = 54,
kNum7 = 55,
kNum8 = 56,
kNum9 = 57,
kKeycode58 = 58,
kKeycode59 = 59,
kKeycode60 = 60,
kKeycode61 = 61,
kKeycode62 = 62,
kKeycode63 = 63,
kKeycode64 = 64,
kA = 65,
kB = 66,
kC = 67,
kD = 68,
kE = 69,
kF = 70,
kG = 71,
kH = 72,
kI = 73,
kJ = 74,
kK = 75,
kL = 76,
kM = 77,
kN = 78,
kO = 79,
kP = 80,
kQ = 81,
kR = 82,
kS = 83,
kT = 84,
kU = 85,
kV = 86,
kW = 87,
kX = 88,
kY = 89,
kZ = 90,
kLwin = 91,
kRwin = 92,
kApps = 93,
kKeycode94 = 94,
kSleep = 95,
kNumpad0 = 96,
kNumpad1 = 97,
kNumpad2 = 98,
kNumpad3 = 99,
kNumpad4 = 100,
kNumpad5 = 101,
kNumpad6 = 102,
kNumpad7 = 103,
kNumpad8 = 104,
kNumpad9 = 105,
kMultiply = 106,
kAdd = 107,
kSeparator = 108,
kSubtract = 109,
kDecimal = 110,
kDivide = 111,
kF1 = 112,
kF2 = 113,
kF3 = 114,
kF4 = 115,
kF5 = 116,
kF6 = 117,
kF7 = 118,
kF8 = 119,
kF9 = 120,
kF10 = 121,
kF11 = 122,
kF12 = 123,
kF13 = 124,
kF14 = 125,
kF15 = 126,
kF16 = 127,
kF17 = 128,
kF18 = 129,
kF19 = 130,
kF20 = 131,
kF21 = 132,
kF22 = 133,
kF23 = 134,
kF24 = 135,
kKeycode136 = 136,
kKeycode137 = 137,
kKeycode138 = 138,
kKeycode139 = 139,
kKeycode140 = 140,
kKeycode141 = 141,
kKeycode142 = 142,
kKeycode143 = 143,
kNumlock = 144,
kScroll = 145,
kKeycode146 = 146,
kKeycode147 = 147,
kKeycode148 = 148,
kKeycode149 = 149,
kKeycode150 = 150,
kWlan = 151,
kPower = 152,
kAssistant = 153,
kKeycode154 = 154,
kKeycode155 = 155,
kKeycode156 = 156,
kKeycode157 = 157,
kKeycode158 = 158,
kKeycode159 = 159,
kLshift = 160,
kRshift = 161,
kLcontrol = 162,
kRcontrol = 163,
kLmenu = 164,
kRmenu = 165,
kBrowserBack = 166,
kBrowserForward = 167,
kBrowserRefresh = 168,
kBrowserStop = 169,
kBrowserSearch = 170,
kBrowserFavorites = 171,
kBrowserHome = 172,
kVolumeMute = 173,
kVolumeDown = 174,
kVolumeUp = 175,
kMediaNextTrack = 176,
kMediaPrevTrack = 177,
kMediaStop = 178,
kMediaPlayPause = 179,
kMediaLaunchMail = 180,
kMediaLaunchMediaSelect = 181,
kMediaLaunchApp1 = 182,
kMediaLaunchApp2 = 183,
kKeycode184 = 184,
kKeycode185 = 185,
kOem1 = 186,
kOemPlus = 187,
kOemComma = 188,
kOemMinus = 189,
kOemPeriod = 190,
kOem2 = 191,
kOem3 = 192,
kKeycode193 = 193,
kKeycode194 = 194,
kKeycode195 = 195,
kKeycode196 = 196,
kKeycode197 = 197,
kKeycode198 = 198,
kKeycode199 = 199,
kKeycode200 = 200,
kKeycode201 = 201,
kKeycode202 = 202,
kKeycode203 = 203,
kKeycode204 = 204,
kKeycode205 = 205,
kKeycode206 = 206,
kKeycode207 = 207,
kKeycode208 = 208,
kKeycode209 = 209,
kKeycode210 = 210,
kKeycode211 = 211,
kKeycode212 = 212,
kKeycode213 = 213,
kKeycode214 = 214,
kKeycode215 = 215,
kBrightnessDown = 216,
kBrightnessUp = 217,
kKbdBrightnessDown = 218,
kOem4 = 219,
kOem5 = 220,
kOem6 = 221,
kOem7 = 222,
kOem8 = 223,
kKeycode224 = 224,
kAltgr = 225,
kOem102 = 226,
kKeycode227 = 227,
kKeycode228 = 228,
kProcesskey = 229,
kCompose = 230,
kPacket = 231,
kKbdBrightnessUp = 232,
kKeycode233 = 233,
kKeycode234 = 234,
kKeycode235 = 235,
kKeycode236 = 236,
kKeycode237 = 237,
kKeycode238 = 238,
kKeycode239 = 239,
kKeycode240 = 240,
kKeycode241 = 241,
kKeycode242 = 242,
kDbeSbcschar = 243,
kDbeDbcschar = 244,
kKeycode245 = 245,
kAttn = 246,
kCrsel = 247,
kExsel = 248,
kEreof = 249,
kPlay = 250,
kZoom = 251,
kNoname = 252,
kPa1 = 253,
kOemClear = 254,
kKeycode255 = 255,
kNone = 256,
kMaxValue = kNone,
};
} // namespace
AccessibilityController::Feature::Feature(
FeatureType type,
const std::string& pref_name,
const gfx::VectorIcon* icon,
const int name_resource_id,
const bool toggleable_in_quicksettings,
AccessibilityController* controller)
: type_(type),
pref_name_(pref_name),
icon_(icon),
name_resource_id_(name_resource_id),
toggleable_in_quicksettings_(toggleable_in_quicksettings),
owner_(controller) {
// If a feature is toggleable in quicksettings it must have a
// `name_resource_id` so it's name can be looked up.
if (toggleable_in_quicksettings_) {
CHECK(name_resource_id);
}
}
AccessibilityController::Feature::~Feature() = default;
void AccessibilityController::Feature::SetEnabled(bool enabled) {
PrefService* prefs = owner_->active_user_prefs_;
if (!prefs) {
return;
}
prefs->SetBoolean(pref_name_, enabled);
prefs->CommitPendingWrite();
}
bool AccessibilityController::Feature::IsVisibleInTray() const {
return (conflicting_feature_ == FeatureType::kNoConflictingFeature ||
!owner_->GetFeature(conflicting_feature_).enabled()) &&
owner_->IsAccessibilityFeatureVisibleInTrayMenu(pref_name_);
}
bool AccessibilityController::Feature::IsEnterpriseIconVisible() const {
return owner_->IsEnterpriseIconVisibleInTrayMenu(pref_name_);
}
const gfx::VectorIcon& AccessibilityController::Feature::icon() const {
DCHECK(icon_);
if (icon_) {
return *icon_;
}
return kPaletteTrayIconDefaultIcon;
}
void AccessibilityController::Feature::UpdateFromPref() {
PrefService* prefs = owner_->active_user_prefs_;
DCHECK(prefs);
bool enabled = prefs->GetBoolean(pref_name_);
if (conflicting_feature_ != FeatureType::kNoConflictingFeature &&
owner_->GetFeature(conflicting_feature_).enabled()) {
enabled = false;
}
if (enabled) {
// If it was turned on and we are in a active logged in session,
// prepare to record duration metrics.
session_manager::SessionState session_state =
Shell::Get()->session_controller()->GetSessionState();
if (session_state == session_manager::SessionState::ACTIVE) {
enabled_time_ = base::Time::Now();
}
} else {
// Disabled. Log the duration since it was enabled, if needed.
LogDurationMetric();
}
if (enabled == enabled_) {
return;
}
enabled_ = enabled;
owner_->UpdateFeatureFromPref(type_);
}
// don't pass prefservice here because it might be old.
// instead save the session state type from when enabled_time_ was set.
// maybe don't bother logging user type. just have this be for logged in??
// is session state more interesting?
// duration if session state is ACTIVE
void AccessibilityController::Feature::LogDurationMetric() {
if (enabled_time_ == base::Time()) {
return;
}
std::string feature_duration_metric = "Accessibility.";
switch (type_) {
case FeatureType::kAutoclick:
feature_duration_metric += "CrosAutoclick";
break;
case FeatureType::kCaretHighlight:
feature_duration_metric += "CrosCaretHighlight";
break;
case FeatureType::kColorCorrection:
feature_duration_metric += "CrosColorCorrection";
break;
case FeatureType::kCursorColor:
feature_duration_metric += "CrosCursorColor";
break;
case FeatureType::kCursorHighlight:
feature_duration_metric += "CrosCursorHighlight";
break;
case FeatureType::kDictation:
feature_duration_metric += "CrosDictation";
break;
case FeatureType::kDisableTrackpad:
feature_duration_metric += "CrosDisableTrackpad";
break;
case FeatureType::kDockedMagnifier:
feature_duration_metric += "CrosDockedMagnifier";
break;
case FeatureType::kFaceGaze:
feature_duration_metric += "CrosFaceGaze";
break;
case FeatureType::kFlashNotifications:
feature_duration_metric += "CrosFlashNotifications";
break;
case FeatureType::kFocusHighlight:
feature_duration_metric += "CrosFocusHighlight";
break;
case FeatureType::kFullscreenMagnifier:
feature_duration_metric += "CrosScreenMagnifier";
break;
case FeatureType::kHighContrast:
feature_duration_metric += "CrosHighContrast";
break;
case FeatureType::kLargeCursor:
feature_duration_metric += "CrosLargeCursor";
break;
case FeatureType::kLiveCaption:
feature_duration_metric += "CrosLiveCaption";
break;
case FeatureType::kMonoAudio:
feature_duration_metric += "CrosMonoAudio";
break;
case FeatureType::kMouseKeys:
feature_duration_metric += "CrosMouseKeys";
break;
case FeatureType::kReducedAnimations:
feature_duration_metric += "CrosReducedAnimations";
break;
case FeatureType::kSelectToSpeak:
feature_duration_metric += "CrosSelectToSpeak";
break;
case FeatureType::kSpokenFeedback:
feature_duration_metric += "CrosSpokenFeedback";
break;
case FeatureType::kStickyKeys:
feature_duration_metric += "CrosStickyKeys";
break;
case FeatureType::kSwitchAccess:
feature_duration_metric += "CrosSwitchAccess";
break;
case FeatureType::kVirtualKeyboard:
feature_duration_metric += "CrosVirtualKeyboard";
break;
default:
return;
}
feature_duration_metric += ".SessionDuration";
base::TimeDelta duration = base::Time::Now() - enabled_time_;
base::UmaHistogramCustomCounts(feature_duration_metric, duration.InSeconds(),
1, base::Days(1) / base::Seconds(1), 100);
// Reset enabled time as this duration is now logged and accounted for.
enabled_time_ = base::Time();
}
void AccessibilityController::Feature::SetConflictingFeature(
FeatureType feature) {
DCHECK_EQ(conflicting_feature_, FeatureType::kNoConflictingFeature);
conflicting_feature_ = feature;
}
void AccessibilityController::Feature::ObserveConflictingFeature() {
std::string conflicting_pref_name = "";
switch (conflicting_feature_) {
case A11yFeatureType::kSpokenFeedback:
conflicting_pref_name = prefs::kAccessibilitySpokenFeedbackEnabled;
break;
default:
// No other features are used as conflicting features at the moment,
// but this could be populated if needed in the future.
NOTREACHED() << "No pref name for conflicting feature "
<< static_cast<int>(conflicting_feature_);
}
pref_change_registrar_ = std::make_unique<PrefChangeRegistrar>();
pref_change_registrar_->Init(owner_->active_user_prefs_);
pref_change_registrar_->Add(
conflicting_pref_name,
base::BindRepeating(&AccessibilityController::Feature::UpdateFromPref,
base::Unretained(this)));
}
AccessibilityController::FeatureWithDialog::FeatureWithDialog(
FeatureType type,
const std::string& pref_name,
const gfx::VectorIcon* icon,
const int name_resource_id,
const bool toggleable_in_quicksettings,
const std::string& dialog_pref,
AccessibilityController* controller)
: AccessibilityController::Feature(type,
pref_name,
icon,
name_resource_id,
toggleable_in_quicksettings,
controller),
dialog_pref_(dialog_pref) {}
AccessibilityController::FeatureWithDialog::~FeatureWithDialog() = default;
void AccessibilityController::FeatureWithDialog::SetDialogAccepted() {
PrefService* prefs = owner_->active_user_prefs_;
if (!prefs) {
return;
}
prefs->SetBoolean(dialog_pref_, true);
prefs->CommitPendingWrite();
}
bool AccessibilityController::FeatureWithDialog::WasDialogAccepted() const {
PrefService* prefs = owner_->active_user_prefs_;
DCHECK(prefs);
return prefs->GetBoolean(dialog_pref_);
}
// static
AccessibilityController* AccessibilityController::Get() {
return g_instance;
}
AccessibilityController::AccessibilityController()
: autoclick_delay_(AutoclickController::GetDefaultAutoclickDelay()) {
DCHECK_EQ(nullptr, g_instance);
g_instance = this;
Shell::Get()->session_controller()->AddObserver(this);
display::Screen::GetScreen()->AddObserver(this);
CreateAccessibilityFeatures();
accessibility_notification_controller_ =
std::make_unique<AccessibilityNotificationController>();
flash_screen_controller_ = std::make_unique<FlashScreenController>();
}
AccessibilityController::~AccessibilityController() {
floating_menu_controller_.reset();
accessibility_notification_controller_.reset();
DCHECK_EQ(this, g_instance);
g_instance = nullptr;
}
void AccessibilityController::CreateAccessibilityFeatures() {
// First, build all features with dialog.
std::map<FeatureType, std::string> dialogs;
for (auto dialog_data : kFeatureDialogs) {
dialogs[dialog_data.type] = dialog_data.pref;
}
for (auto feature_data : kFeatures) {
size_t feature_index = static_cast<size_t>(feature_data.type);
DCHECK(!features_[feature_index]);
auto it = dialogs.find(feature_data.type);
if (it == dialogs.end()) {
features_[feature_index] = std::make_unique<Feature>(
feature_data.type, feature_data.pref, feature_data.icon,
feature_data.name_resource_id,
feature_data.toggleable_in_quicksettings, this);
} else {
features_[feature_index] = std::make_unique<FeatureWithDialog>(
feature_data.type, feature_data.pref, feature_data.icon,
feature_data.name_resource_id,
feature_data.toggleable_in_quicksettings, it->second, this);
}
if (feature_data.conflicting_feature !=
FeatureType::kNoConflictingFeature) {
features_[feature_index]->SetConflictingFeature(
feature_data.conflicting_feature);
}
}
}
// static
void AccessibilityController::RegisterProfilePrefs(
PrefRegistrySimple* registry) {
//
// Non-syncable prefs.
//
// These prefs control whether an accessibility feature is enabled. They are
// not synced due to the impact they have on device interaction.
registry->RegisterBooleanPref(prefs::kAccessibilityAutoclickEnabled, false);
registry->RegisterBooleanPref(prefs::kAccessibilityCursorColorEnabled, false);
registry->RegisterBooleanPref(prefs::kAccessibilityCaretHighlightEnabled,
false);
registry->RegisterBooleanPref(prefs::kAccessibilityCursorHighlightEnabled,
false);
registry->RegisterBooleanPref(prefs::kAccessibilityDictationEnabled, false);
registry->RegisterBooleanPref(prefs::kAccessibilityFloatingMenuEnabled,
false);
registry->RegisterBooleanPref(prefs::kAccessibilityFocusHighlightEnabled,
false);
registry->RegisterBooleanPref(prefs::kAccessibilityHighContrastEnabled,
false);
registry->RegisterBooleanPref(prefs::kAccessibilityLargeCursorEnabled, false);
registry->RegisterBooleanPref(prefs::kAccessibilityMonoAudioEnabled, false);
registry->RegisterBooleanPref(prefs::kAccessibilityMouseKeysEnabled, false);
registry->RegisterBooleanPref(prefs::kAccessibilityScreenMagnifierEnabled,
false);
registry->RegisterBooleanPref(prefs::kAccessibilitySpokenFeedbackEnabled,
false);
registry->RegisterBooleanPref(prefs::kAccessibilitySelectToSpeakEnabled,
false);
registry->RegisterBooleanPref(prefs::kAccessibilityStickyKeysEnabled, false);
registry->RegisterBooleanPref(prefs::kAccessibilityShortcutsEnabled, true);
registry->RegisterBooleanPref(prefs::kAccessibilitySwitchAccessEnabled,
false);
registry->RegisterBooleanPref(prefs::kAccessibilityVirtualKeyboardEnabled,
false);
registry->RegisterBooleanPref(
prefs::kAccessibilityTabletModeShelfNavigationButtonsEnabled, false);
registry->RegisterBooleanPref(prefs::kAccessibilityFaceGazeEnabled, false);
registry->RegisterBooleanPref(prefs::kAccessibilityDisableTrackpadEnabled,
false);
registry->RegisterIntegerPref(prefs::kAccessibilityDisableTrackpadMode,
static_cast<int>(DisableTrackpadMode::kNever));
// Not syncable because it might change depending on application locale,
// user settings, and because different languages can cause speech recognition
// files to download.
registry->RegisterStringPref(prefs::kAccessibilityDictationLocale,
std::string());
registry->RegisterDictionaryPref(
prefs::kAccessibilityDictationLocaleOfflineNudge);
// A pref in this list is associated with accepting for the first time,
// enabling of some pref above. Non-syncable like all of the above prefs.
registry->RegisterBooleanPref(
prefs::kHighContrastAcceleratorDialogHasBeenAccepted, false);
registry->RegisterBooleanPref(
prefs::kScreenMagnifierAcceleratorDialogHasBeenAccepted, false);
registry->RegisterBooleanPref(
prefs::kDockedMagnifierAcceleratorDialogHasBeenAccepted, false);
registry->RegisterBooleanPref(
prefs::kDictationAcceleratorDialogHasBeenAccepted, false);
registry->RegisterBooleanPref(
prefs::kSelectToSpeakAcceleratorDialogHasBeenAccepted, false);
registry->RegisterBooleanPref(
prefs::kDictationDlcSuccessNotificationHasBeenShown, false);
registry->RegisterBooleanPref(
prefs::kDictationDlcOnlyPumpkinDownloadedNotificationHasBeenShown, false);
registry->RegisterBooleanPref(
prefs::kDictationDlcOnlySodaDownloadedNotificationHasBeenShown, false);
registry->RegisterBooleanPref(
prefs::kDictationNoDlcsDownloadedNotificationHasBeenShown, false);
registry->RegisterBooleanPref(
prefs::kDisplayRotationAcceleratorDialogHasBeenAccepted2, false);
registry->RegisterBooleanPref(prefs::kShouldAlwaysShowAccessibilityMenu,
false);
registry->RegisterBooleanPref(
prefs::kAccessibilityFaceGazeAcceleratorDialogHasBeenAccepted, false);
registry->RegisterBooleanPref(
prefs::kFaceGazeDlcSuccessNotificationHasBeenShown, false);
registry->RegisterBooleanPref(
prefs::kFaceGazeDlcFailureNotificationHasBeenShown, false);
registry->RegisterBooleanPref(prefs::kAccessibilityColorCorrectionEnabled,
false);
registry->RegisterBooleanPref(
prefs::kAccessibilityColorCorrectionHasBeenSetup, false);
registry->RegisterBooleanPref(prefs::kAccessibilityFlashNotificationsEnabled,
false);
registry->RegisterBooleanPref(prefs::kAccessibilityReducedAnimationsEnabled,
false);
// TODO(b/266816160): Make ChromeVox prefs are syncable, to so that ChromeOS
// backs up users' ChromeVox settings and reflects across their devices.
registry->RegisterBooleanPref(prefs::kAccessibilityChromeVoxAutoRead, false);
registry->RegisterBooleanPref(
prefs::kAccessibilityChromeVoxAnnounceDownloadNotifications, true);
registry->RegisterBooleanPref(
prefs::kAccessibilityChromeVoxAnnounceRichTextAttributes, true);
registry->RegisterStringPref(prefs::kAccessibilityChromeVoxAudioStrategy,
kDefaultAccessibilityChromeVoxAudioStrategy);
registry->RegisterBooleanPref(prefs::kAccessibilityChromeVoxBrailleSideBySide,
true);
registry->RegisterStringPref(prefs::kAccessibilityChromeVoxBrailleTable,
kDefaultAccessibilityChromeVoxBrailleTable);
registry->RegisterStringPref(prefs::kAccessibilityChromeVoxBrailleTable6,
kDefaultAccessibilityChromeVoxBrailleTable6);
registry->RegisterStringPref(prefs::kAccessibilityChromeVoxBrailleTable8,
kDefaultAccessibilityChromeVoxBrailleTable8);
registry->RegisterStringPref(prefs::kAccessibilityChromeVoxBrailleTableType,
kDefaultAccessibilityChromeVoxBrailleTableType);
registry->RegisterBooleanPref(prefs::kAccessibilityChromeVoxBrailleWordWrap,
true);
registry->RegisterStringPref(prefs::kAccessibilityChromeVoxCapitalStrategy,
kDefaultAccessibilityChromeVoxCapitalStrategy);
registry->RegisterStringPref(
prefs::kAccessibilityChromeVoxCapitalStrategyBackup,
kDefaultAccessibilityChromeVoxCapitalStrategyBackup);
registry->RegisterBooleanPref(
prefs::kAccessibilityChromeVoxEnableBrailleLogging, false);
registry->RegisterBooleanPref(
prefs::kAccessibilityChromeVoxEnableEarconLogging, false);
registry->RegisterBooleanPref(
prefs::kAccessibilityChromeVoxEnableEventStreamLogging, false);
registry->RegisterBooleanPref(
prefs::kAccessibilityChromeVoxEnableSpeechLogging, false);
registry->RegisterDictionaryPref(
prefs::kAccessibilityChromeVoxEventStreamFilters, base::Value::Dict());
registry->RegisterBooleanPref(prefs::kAccessibilityChromeVoxLanguageSwitching,
false);
registry->RegisterBooleanPref(
prefs::kAccessibilityChromeVoxMenuBrailleCommands, false);
registry->RegisterStringPref(
prefs::kAccessibilityChromeVoxNumberReadingStyle,
kDefaultAccessibilityChromeVoxNumberReadingStyle);
registry->RegisterStringPref(
prefs::kAccessibilityChromeVoxPreferredBrailleDisplayAddress,
kDefaultAccessibilityChromeVoxPreferredBrailleDisplayAddress);
registry->RegisterIntegerPref(prefs::kAccessibilityChromeVoxPunctuationEcho,
kDefaultAccessibilityChromeVoxPunctuationEcho);
registry->RegisterBooleanPref(prefs::kAccessibilityChromeVoxSmartStickyMode,
true);
registry->RegisterBooleanPref(
prefs::kAccessibilityChromeVoxSpeakTextUnderMouse, false);
registry->RegisterBooleanPref(prefs::kAccessibilityChromeVoxUsePitchChanges,
true);
registry->RegisterBooleanPref(prefs::kAccessibilityChromeVoxUseVerboseMode,
true);
registry->RegisterIntegerPref(
prefs::kAccessibilityChromeVoxVirtualBrailleColumns,
kDefaultAccessibilityChromeVoxVirtualBrailleColumns);
registry->RegisterIntegerPref(
prefs::kAccessibilityChromeVoxVirtualBrailleRows,
kDefaultAccessibilityChromeVoxVirtualBrailleRows);
registry->RegisterStringPref(prefs::kAccessibilityChromeVoxVoiceName,
kDefaultAccessibilityChromeVoxVoiceName);
// TODO(b/259372916): Enable sync for Mouse Keys settings before launch.
registry->RegisterDoublePref(prefs::kAccessibilityMouseKeysAcceleration,
MouseKeysController::kDefaultAcceleration);
registry->RegisterDoublePref(prefs::kAccessibilityMouseKeysMaxSpeed,
MouseKeysController::kDefaultMaxSpeed);
registry->RegisterBooleanPref(prefs::kAccessibilityMouseKeysUsePrimaryKeys,
true);
registry->RegisterIntegerPref(
prefs::kAccessibilityMouseKeysDominantHand,
static_cast<int>(MouseKeysDominantHand::kRightHandDominant));
//
// Syncable prefs.
//
// These prefs pertain to specific features. They are synced to preserve
// behaviors tied to user accounts once that user enables a feature.
registry->RegisterIntegerPref(
prefs::kAccessibilityAutoclickDelayMs, kDefaultAutoclickDelayMs,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityAutoclickEventType,
static_cast<int>(kDefaultAutoclickEventType),
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilityAutoclickRevertToLeftClick, true,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilityAutoclickStabilizePosition, false,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityAutoclickMovementThreshold,
kDefaultAutoclickMovementThreshold,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityAutoclickMenuPosition,
static_cast<int>(kDefaultAutoclickMenuPosition),
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityCursorColor, 0,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityFloatingMenuPosition,
static_cast<int>(kDefaultFloatingMenuPosition),
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(prefs::kAccessibilityLargeCursorDipSize,
kDefaultLargeCursorSize);
registry->RegisterIntegerPref(
prefs::kAccessibilityScreenMagnifierMouseFollowingMode,
static_cast<int>(MagnifierMouseFollowingMode::kEdge),
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilityScreenMagnifierFocusFollowingEnabled, true,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterDoublePref(prefs::kAccessibilityScreenMagnifierScale,
std::numeric_limits<double>::min());
registry->RegisterDictionaryPref(
prefs::kAccessibilitySwitchAccessSelectDeviceKeyCodes,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterDictionaryPref(
prefs::kAccessibilitySwitchAccessNextDeviceKeyCodes,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterDictionaryPref(
prefs::kAccessibilitySwitchAccessPreviousDeviceKeyCodes,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilitySwitchAccessAutoScanEnabled, false,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilitySwitchAccessAutoScanSpeedMs,
kDefaultSwitchAccessAutoScanSpeed.InMilliseconds(),
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilitySwitchAccessAutoScanKeyboardSpeedMs,
kDefaultSwitchAccessAutoScanSpeed.InMilliseconds(),
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilitySwitchAccessPointScanSpeedDipsPerSecond,
kDefaultSwitchAccessPointScanSpeedDipsPerSecond,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilityEnhancedNetworkVoicesInSelectToSpeakAllowed,
kDefaultAccessibilityEnhancedNetworkVoicesInSelectToSpeakAllowed,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilitySelectToSpeakBackgroundShading,
kDefaultAccessibilitySelectToSpeakBackgroundShading,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilitySelectToSpeakEnhancedNetworkVoices,
kDefaultAccessibilitySelectToSpeakEnhancedNetworkVoices,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilitySelectToSpeakEnhancedVoicesDialogShown,
kDefaultAccessibilitySelectToSpeakEnhancedVoicesDialogShown,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilitySelectToSpeakNavigationControls,
kDefaultAccessibilitySelectToSpeakNavigationControls,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilitySelectToSpeakVoiceSwitching,
kDefaultAccessibilitySelectToSpeakVoiceSwitching,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilitySelectToSpeakWordHighlight,
kDefaultAccessibilitySelectToSpeakWordHighlight,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterStringPref(
prefs::kAccessibilitySelectToSpeakEnhancedVoiceName,
kDefaultAccessibilitySelectToSpeakEnhancedVoiceName,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterStringPref(
prefs::kAccessibilitySelectToSpeakHighlightColor,
kDefaultAccessibilitySelectToSpeakHighlightColor,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterStringPref(
prefs::kAccessibilitySelectToSpeakVoiceName,
kDefaultAccessibilitySelectToSpeakVoiceName,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityColorVisionCorrectionAmount, 100,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityColorVisionCorrectionType,
ColorVisionCorrectionType::kDeuteranomaly,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
if (::features::IsAccessibilityFaceGazeEnabled()) {
registry->RegisterIntegerPref(
prefs::kAccessibilityFaceGazeCursorSpeedUp, kDefaultFaceGazeCursorSpeed,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityFaceGazeCursorSpeedDown,
kDefaultFaceGazeCursorSpeed,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityFaceGazeCursorSpeedLeft,
kDefaultFaceGazeCursorSpeed,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityFaceGazeCursorSpeedRight,
kDefaultFaceGazeCursorSpeed,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterIntegerPref(
prefs::kAccessibilityFaceGazeCursorSmoothing,
kDefaultFaceGazeCursorSmoothing,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilityFaceGazeCursorUseAcceleration,
kDefaultFaceGazeCursorUseAcceleration,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterDictionaryPref(
prefs::kAccessibilityFaceGazeGesturesToKeyCombos,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterDictionaryPref(
prefs::kAccessibilityFaceGazeGesturesToMacros,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterDictionaryPref(
prefs::kAccessibilityFaceGazeGesturesToConfidence,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilityFaceGazeCursorControlEnabled, true,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilityFaceGazeActionsEnabled, true,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
registry->RegisterBooleanPref(
prefs::kAccessibilityFaceGazeAdjustSpeedSeparately, false,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
}
if (::features::IsAccessibilityMagnifierFollowsChromeVoxEnabled()) {
registry->RegisterBooleanPref(
prefs::kAccessibilityMagnifierFollowsChromeVox, true,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
}
if (::features::IsAccessibilityMagnifierFollowsStsEnabled()) {
registry->RegisterBooleanPref(
prefs::kAccessibilityMagnifierFollowsSts, true,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
}
if (::features::IsAccessibilityCaretBlinkIntervalSettingEnabled()) {
registry->RegisterIntegerPref(prefs::kAccessibilityCaretBlinkInterval,
kDefaultCaretBlinkIntervalMs);
}
if (::features::IsAccessibilityFlashScreenFeatureEnabled()) {
registry->RegisterIntegerPref(prefs::kAccessibilityFlashNotificationsColor,
kDefaultFlashNotificationsColor);
}
}
void AccessibilityController::Shutdown() {
// Log metrics at shutdown.
for (auto& feature : features_) {
feature->LogDurationMetric();
}
display::Screen::GetScreen()->RemoveObserver(this);
Shell::Get()->session_controller()->RemoveObserver(this);
// Clean up any child windows and widgets that might be animating out.
dictation_bubble_controller_.reset();
for (auto& observer : observers_) {
observer.OnAccessibilityControllerShutdown();
}
}
bool AccessibilityController::HasDisplayRotationAcceleratorDialogBeenAccepted()
const {
return active_user_prefs_ &&
active_user_prefs_->GetBoolean(
prefs::kDisplayRotationAcceleratorDialogHasBeenAccepted2);
}
void AccessibilityController::
SetDisplayRotationAcceleratorDialogBeenAccepted() {
if (!active_user_prefs_) {
return;
}
active_user_prefs_->SetBoolean(
prefs::kDisplayRotationAcceleratorDialogHasBeenAccepted2, true);
active_user_prefs_->CommitPendingWrite();
}
void AccessibilityController::AddObserver(AccessibilityObserver* observer) {
observers_.AddObserver(observer);
}
void AccessibilityController::RemoveObserver(AccessibilityObserver* observer) {
observers_.RemoveObserver(observer);
}
AccessibilityController::Feature& AccessibilityController::GetFeature(
FeatureType type) const {
size_t feature_index = static_cast<size_t>(type);
DCHECK(features_[feature_index].get());
return *features_[feature_index].get();
}
std::vector<AccessibilityController::Feature*>
AccessibilityController::GetEnabledFeaturesInQuickSettings() const {
std::vector<Feature*> enabled_features;
for (auto& feature : features_) {
if (feature->enabled() && feature->toggleable_in_quicksettings()) {
enabled_features.push_back(feature.get());
}
}
return enabled_features;
}
base::WeakPtr<AccessibilityController> AccessibilityController::GetWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
AccessibilityController::Feature& AccessibilityController::autoclick() const {
return GetFeature(FeatureType::kAutoclick);
}
AccessibilityController::Feature& AccessibilityController::caret_highlight()
const {
return GetFeature(FeatureType::kCaretHighlight);
}
AccessibilityController::Feature& AccessibilityController::cursor_highlight()
const {
return GetFeature(FeatureType::kCursorHighlight);
}
AccessibilityController::Feature& AccessibilityController::cursor_color()
const {
return GetFeature(FeatureType::kCursorColor);
}
AccessibilityController::Feature& AccessibilityController::dictation() const {
return GetFeature(FeatureType::kDictation);
}
AccessibilityController::Feature& AccessibilityController::disable_trackpad()
const {
return GetFeature(FeatureType::kDisableTrackpad);
}
AccessibilityController::Feature& AccessibilityController::color_correction()
const {
return GetFeature(FeatureType::kColorCorrection);
}
AccessibilityController::Feature& AccessibilityController::face_gaze() const {
return GetFeature(FeatureType::kFaceGaze);
}
AccessibilityController::Feature& AccessibilityController::flash_notifications()
const {
return GetFeature(FeatureType::kFlashNotifications);
}
AccessibilityController::Feature& AccessibilityController::focus_highlight()
const {
return GetFeature(FeatureType::kFocusHighlight);
}
AccessibilityController::Feature& AccessibilityController::floating_menu()
const {
return GetFeature(FeatureType::kFloatingMenu);
}
AccessibilityController::FeatureWithDialog&
AccessibilityController::fullscreen_magnifier() const {
return static_cast<FeatureWithDialog&>(
GetFeature(FeatureType::kFullscreenMagnifier));
}
AccessibilityController::FeatureWithDialog&
AccessibilityController::docked_magnifier() const {
return static_cast<FeatureWithDialog&>(
GetFeature(FeatureType::kDockedMagnifier));
}
AccessibilityController::FeatureWithDialog&
AccessibilityController::high_contrast() const {
return static_cast<FeatureWithDialog&>(
GetFeature(FeatureType::kHighContrast));
}
AccessibilityController::Feature& AccessibilityController::large_cursor()
const {
return GetFeature(FeatureType::kLargeCursor);
}
AccessibilityController::Feature& AccessibilityController::live_caption()
const {
return GetFeature(FeatureType::kLiveCaption);
}
AccessibilityController::Feature& AccessibilityController::mono_audio() const {
return GetFeature(FeatureType::kMonoAudio);
}
AccessibilityController::Feature& AccessibilityController::mouse_keys() const {
return GetFeature(FeatureType::kMouseKeys);
}
AccessibilityController::Feature& AccessibilityController::reduced_animations()
const {
return GetFeature(FeatureType::kReducedAnimations);
}
AccessibilityController::Feature& AccessibilityController::spoken_feedback()
const {
return GetFeature(FeatureType::kSpokenFeedback);
}
AccessibilityController::Feature& AccessibilityController::select_to_speak()
const {
return GetFeature(FeatureType::kSelectToSpeak);
}
AccessibilityController::Feature& AccessibilityController::sticky_keys() const {
return GetFeature(FeatureType::kStickyKeys);
}
AccessibilityController::Feature& AccessibilityController::switch_access()
const {
return GetFeature(FeatureType::kSwitchAccess);
}
AccessibilityController::Feature& AccessibilityController::virtual_keyboard()
const {
return GetFeature(FeatureType::kVirtualKeyboard);
}
bool AccessibilityController::IsAutoclickSettingVisibleInTray() {
return autoclick().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForAutoclick() {
return autoclick().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsCaretHighlightSettingVisibleInTray() {
return caret_highlight().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForCaretHighlight() {
return caret_highlight().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsCursorHighlightSettingVisibleInTray() {
return cursor_highlight().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForCursorHighlight() {
return cursor_highlight().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsDictationSettingVisibleInTray() {
return dictation().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForDictation() {
return dictation().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsFaceGazeSettingVisibleInTray() {
return face_gaze().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForFaceGaze() {
return face_gaze().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsFocusHighlightSettingVisibleInTray() {
return focus_highlight().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForFocusHighlight() {
return focus_highlight().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsFullScreenMagnifierSettingVisibleInTray() {
return fullscreen_magnifier().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForFullScreenMagnifier() {
return fullscreen_magnifier().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsDockedMagnifierSettingVisibleInTray() {
return docked_magnifier().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForDockedMagnifier() {
return docked_magnifier().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsHighContrastSettingVisibleInTray() {
return high_contrast().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForHighContrast() {
return high_contrast().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsColorCorrectionSettingVisibleInTray() {
if (!color_correction().enabled() &&
Shell::Get()->session_controller()->login_status() ==
ash::LoginStatus::NOT_LOGGED_IN) {
// Don't allow users to enable this on not logged in profiles because it
// requires set-up in settings the first time it is run.
return false;
}
return color_correction().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForColorCorrection() {
return color_correction().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsLargeCursorSettingVisibleInTray() {
return large_cursor().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForLargeCursor() {
return large_cursor().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsLiveCaptionSettingVisibleInTray() {
return captions::IsLiveCaptionFeatureSupported() &&
live_caption().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForLiveCaption() {
return captions::IsLiveCaptionFeatureSupported() &&
live_caption().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsMonoAudioSettingVisibleInTray() {
return mono_audio().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForMonoAudio() {
return mono_audio().IsEnterpriseIconVisible();
}
void AccessibilityController::SetSpokenFeedbackEnabled(
bool enabled,
AccessibilityNotificationVisibility notify) {
spoken_feedback().SetEnabled(enabled);
// Value could be left unchanged because of higher-priority pref source, eg.
// policy. See crbug.com/953245.
const bool actual_enabled = active_user_prefs_->GetBoolean(
prefs::kAccessibilitySpokenFeedbackEnabled);
A11yNotificationType type = A11yNotificationType::kNone;
if (enabled && actual_enabled && notify == A11Y_NOTIFICATION_SHOW) {
type = A11yNotificationType::kSpokenFeedbackEnabled;
}
ShowAccessibilityNotification(
A11yNotificationWrapper(type, std::vector<std::u16string>()));
}
bool AccessibilityController::IsSpokenFeedbackSettingVisibleInTray() {
return spoken_feedback().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForSpokenFeedback() {
return spoken_feedback().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsSelectToSpeakSettingVisibleInTray() {
return select_to_speak().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForSelectToSpeak() {
return select_to_speak().IsEnterpriseIconVisible();
}
void AccessibilityController::RequestSelectToSpeakStateChange() {
client_->RequestSelectToSpeakStateChange();
}
void AccessibilityController::RecordSelectToSpeakSpeechDuration(
SelectToSpeakState old_state,
SelectToSpeakState new_state) {
if (new_state != SelectToSpeakState::kSelectToSpeakStateSpeaking &&
select_to_speak_speech_start_time_ == base::Time()) {
select_to_speak_speech_start_time_ = base::Time::Now();
}
if (old_state != SelectToSpeakState::kSelectToSpeakStateSpeaking &&
new_state != old_state &&
select_to_speak_speech_start_time_ != base::Time()) {
base::TimeDelta duration =
base::Time::Now() - select_to_speak_speech_start_time_;
base::UmaHistogramCustomCounts(
"Accessibility.CrosSelectToSpeak.SpeechDuration", duration.InSeconds(),
/*min=*/1, /*max=*/base::Minutes(20) / base::Seconds(1),
/*buckets=*/100);
select_to_speak_speech_start_time_ = base::Time();
}
}
void AccessibilityController::SetSelectToSpeakState(SelectToSpeakState state) {
RecordSelectToSpeakSpeechDuration(select_to_speak_state_, state);
select_to_speak_state_ = state;
// Forward the state change event to select_to_speak_event_handler_.
// The extension may have requested that the handler enter SELECTING state.
// Prepare to start capturing events from stylus, mouse or touch.
if (select_to_speak_event_handler_) {
select_to_speak_event_handler_->SetSelectToSpeakStateSelecting(
state == SelectToSpeakState::kSelectToSpeakStateSelecting);
}
NotifyAccessibilityStatusChanged();
}
void AccessibilityController::SetSelectToSpeakEventHandlerDelegate(
SelectToSpeakEventHandlerDelegate* delegate) {
select_to_speak_event_handler_delegate_ = delegate;
MaybeCreateSelectToSpeakEventHandler();
}
SelectToSpeakState AccessibilityController::GetSelectToSpeakState() const {
return select_to_speak_state_;
}
void AccessibilityController::ShowSelectToSpeakPanel(const gfx::Rect& anchor,
bool is_paused,
double speech_rate) {
if (!select_to_speak_bubble_controller_) {
select_to_speak_bubble_controller_ =
std::make_unique<SelectToSpeakMenuBubbleController>();
}
select_to_speak_bubble_controller_->Show(anchor, is_paused, speech_rate);
}
void AccessibilityController::HideSelectToSpeakPanel() {
if (!select_to_speak_bubble_controller_) {
return;
}
select_to_speak_bubble_controller_->Hide();
}
void AccessibilityController::OnSelectToSpeakPanelAction(
SelectToSpeakPanelAction action,
double value) {
if (!client_) {
return;
}
client_->OnSelectToSpeakPanelAction(action, value);
}
bool AccessibilityController::IsSwitchAccessRunning() const {
return switch_access().enabled() || switch_access_disable_dialog_showing_;
}
bool AccessibilityController::IsSwitchAccessSettingVisibleInTray() {
// Switch Access cannot be enabled on the sign-in page because there is no way
// to configure switches while the device is locked.
if (!switch_access().enabled() &&
Shell::Get()->session_controller()->login_status() ==
ash::LoginStatus::NOT_LOGGED_IN) {
return false;
}
return switch_access().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForSwitchAccess() {
return switch_access().IsEnterpriseIconVisible();
}
void AccessibilityController::SetAccessibilityEventRewriter(
AccessibilityEventRewriter* accessibility_event_rewriter) {
accessibility_event_rewriter_ = accessibility_event_rewriter;
}
void AccessibilityController::SetDisableTrackpadEventRewriter(
DisableTrackpadEventRewriter* rewriter) {
disable_trackpad_event_rewriter_ = rewriter;
}
void AccessibilityController::SetFilterKeysEventRewriter(
FilterKeysEventRewriter* rewriter) {
filter_keys_event_rewriter_ = rewriter;
}
void AccessibilityController::HideSwitchAccessBackButton() {
if (IsSwitchAccessRunning()) {
switch_access_bubble_controller_->HideBackButton();
}
}
void AccessibilityController::HideSwitchAccessMenu() {
if (IsSwitchAccessRunning()) {
switch_access_bubble_controller_->HideMenuBubble();
}
}
void AccessibilityController::ShowSwitchAccessBackButton(
const gfx::Rect& anchor) {
switch_access_bubble_controller_->ShowBackButton(anchor);
}
void AccessibilityController::ShowSwitchAccessMenu(
const gfx::Rect& anchor,
std::vector<std::string> actions_to_show) {
switch_access_bubble_controller_->ShowMenu(anchor, actions_to_show);
}
bool AccessibilityController::IsPointScanEnabled() {
return point_scan_controller_.get() &&
point_scan_controller_->IsPointScanEnabled();
}
void AccessibilityController::StartPointScan() {
point_scan_controller_->Start();
}
void AccessibilityController::SetA11yOverrideWindow(
aura::Window* a11y_override_window) {
if (client_) {
client_->SetA11yOverrideWindow(a11y_override_window);
}
}
void AccessibilityController::StopPointScan() {
if (point_scan_controller_) {
point_scan_controller_->HideAll();
}
}
void AccessibilityController::SetPointScanSpeedDipsPerSecond(
int point_scan_speed_dips_per_second) {
if (point_scan_controller_) {
point_scan_controller_->SetSpeedDipsPerSecond(
point_scan_speed_dips_per_second);
}
}
void AccessibilityController::DisablePolicyRecommendationRestorerForTesting() {
Shell::Get()->policy_recommendation_restorer()->DisableForTesting();
}
bool AccessibilityController::IsStickyKeysSettingVisibleInTray() {
return sticky_keys().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForStickyKeys() {
return sticky_keys().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsReducedAnimationsSettingVisibleInTray() {
if (!::features::IsAccessibilityReducedAnimationsInKioskEnabled()) {
return false;
}
// Only visible in kiosk mode.
if (!Shell::Get()->session_controller()->IsRunningInAppMode()) {
return false;
}
return reduced_animations().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForReducedAnimations() {
return reduced_animations().IsEnterpriseIconVisible();
}
bool AccessibilityController::IsVirtualKeyboardSettingVisibleInTray() {
return virtual_keyboard().IsVisibleInTray();
}
bool AccessibilityController::IsEnterpriseIconVisibleForVirtualKeyboard() {
return virtual_keyboard().IsEnterpriseIconVisible();
}
void AccessibilityController::ShowFloatingMenuIfEnabled() {
if (floating_menu().enabled() && !floating_menu_controller_) {
floating_menu_controller_ =
std::make_unique<FloatingAccessibilityController>(this);
floating_menu_controller_->Show(GetFloatingMenuPosition());
} else {
always_show_floating_menu_when_enabled_ = true;
}
}
FloatingAccessibilityController*
AccessibilityController::GetFloatingMenuController() {
return floating_menu_controller_.get();
}
PointScanController* AccessibilityController::GetPointScanController() {
return point_scan_controller_.get();
}
void AccessibilityController::SetTabletModeShelfNavigationButtonsEnabled(
bool enabled) {
if (!active_user_prefs_) {
return;
}
active_user_prefs_->SetBoolean(
prefs::kAccessibilityTabletModeShelfNavigationButtonsEnabled, enabled);
active_user_prefs_->CommitPendingWrite();
}
void AccessibilityController::TriggerAccessibilityAlert(
AccessibilityAlert alert) {
if (client_) {
client_->TriggerAccessibilityAlert(alert);
}
}
void AccessibilityController::TriggerAccessibilityAlertWithMessage(
const std::string& message) {
if (client_) {
client_->TriggerAccessibilityAlertWithMessage(message);
}
}
void AccessibilityController::PlayEarcon(Sound sound_key) {
if (client_) {
client_->PlayEarcon(sound_key);
}
}
base::TimeDelta AccessibilityController::PlayShutdownSound() {
return client_ ? client_->PlayShutdownSound() : base::TimeDelta();
}
void AccessibilityController::HandleAccessibilityGesture(
ax::mojom::Gesture gesture,
gfx::PointF location) {
if (client_) {
client_->HandleAccessibilityGesture(gesture, location);
}
}
void AccessibilityController::ToggleDictation() {
// Do nothing if dictation is not enabled.
if (!dictation().enabled()) {
return;
}
if (client_) {
const bool is_active = client_->ToggleDictation();
SetDictationActive(is_active);
if (is_active) {
Shell::Get()->OnDictationStarted();
} else {
Shell::Get()->OnDictationEnded();
}
}
}
void AccessibilityController::SetDictationActive(bool is_active) {
dictation_active_ = is_active;
}
void AccessibilityController::ToggleDictationFromSource(
DictationToggleSource source) {
base::RecordAction(base::UserMetricsAction("Accel_Toggle_Dictation"));
UMA_HISTOGRAM_ENUMERATION("Accessibility.CrosDictation.ToggleDictationMethod",
source);
dictation().SetEnabled(true);
ToggleDictation();
}
void AccessibilityController::EnableSelectToSpeakWithDialog() {
if (!::features::IsAccessibilitySelectToSpeakShortcutEnabled() ||
select_to_speak().enabled()) {
return;
}
if (active_user_prefs_
->FindPreference(prefs::kAccessibilitySelectToSpeakEnabled)
->IsManaged() &&
!active_user_prefs_->GetBoolean(
prefs::kAccessibilitySelectToSpeakEnabled)) {
// Don't show the dialog if Select to speak has been disabled by a policy.
return;
}
if (active_user_prefs_->GetBoolean(
prefs::kSelectToSpeakAcceleratorDialogHasBeenAccepted)) {
// Enable Select to Speak if the confirmation dialog has been previously
// accepted.
OnSelectToSpeakKeyboardDialogAccepted();
} else {
// Show the confirmation dialog if it hasn't been accepted yet.
ShowSelectToSpeakKeyboardDialog();
}
}
void AccessibilityController::EnableOrToggleDictationFromSource(
DictationToggleSource source) {
if (dictation().enabled()) {
ToggleDictationFromSource(source);
} else if (source == DictationToggleSource::kKeyboard) {
// Only allow direct-enabling of Dictation from the keyboard. Show the
// confirmation dialog if it hasn't been accepted yet.
if (active_user_prefs_->GetBoolean(
prefs::kDictationAcceleratorDialogHasBeenAccepted)) {
OnDictationKeyboardDialogAccepted();
} else {
ShowDictationKeyboardDialog();
}
}
}
void AccessibilityController::ShowDictationKeyboardDialog() {
if (!client_) {
return;
}
dictation_keyboard_dialog_showing_for_testing_ = true;
std::string dictation_locale;
if (active_user_prefs_->GetString(prefs::kAccessibilityDictationLocale)
.empty()) {
dictation_locale = client_->GetDictationDefaultLocale(/*new_user=*/true);
} else {
dictation_locale =
active_user_prefs_->GetString(prefs::kAccessibilityDictationLocale);
}
std::u16string display_locale = l10n_util::GetDisplayNameForLocale(
/*locale=*/dictation_locale, /*display_locale=*/dictation_locale,
/*is_for_ui=*/true);
std::vector<std::u16string> replacements{display_locale};
std::u16string title =
l10n_util::GetStringUTF16(IDS_ASH_DICTATION_KEYBOARD_DIALOG_TITLE);
std::u16string description =
::features::IsDictationOfflineAvailable()
? l10n_util::GetStringFUTF16(
IDS_ASH_DICTATION_KEYBOARD_DIALOG_DESCRIPTION_SODA_AVAILABLE,
replacements, nullptr)
: l10n_util::GetStringFUTF16(
IDS_ASH_DICTATION_KEYBOARD_DIALOG_DESCRIPTION_SODA_NOT_AVAILABLE,
replacements, nullptr);
ShowConfirmationDialog(
title, description, l10n_util::GetStringUTF16(IDS_ASH_CONTINUE_BUTTON),
l10n_util::GetStringUTF16(IDS_APP_CANCEL),
base::BindOnce(
&AccessibilityController::OnDictationKeyboardDialogAccepted,
GetWeakPtr()),
base::BindOnce(
&AccessibilityController::OnDictationKeyboardDialogDismissed,
GetWeakPtr()),
base::BindOnce(
&AccessibilityController::OnDictationKeyboardDialogDismissed,
GetWeakPtr()));
}
void AccessibilityController::OnDictationKeyboardDialogAccepted() {
dictation_keyboard_dialog_showing_for_testing_ = false;
active_user_prefs_->SetBoolean(
prefs::kDictationAcceleratorDialogHasBeenAccepted, true);
confirmation_dialog_.reset();
base::RecordAction(base::UserMetricsAction("Accel_Enable_Dictation"));
dictation().SetEnabled(true);
}
void AccessibilityController::OnDictationKeyboardDialogDismissed() {
dictation_keyboard_dialog_showing_for_testing_ = false;
}
void AccessibilityController::ShowSelectToSpeakKeyboardDialog() {
if (!client_ || !::features::IsAccessibilitySelectToSpeakShortcutEnabled()) {
return;
}
std::u16string title =
l10n_util::GetStringUTF16(IDS_ASH_SELECT_TO_SPEAK_KEYBOARD_DIALOG_TITLE);
std::u16string modifier_key;
if (Shell::Get()->keyboard_capability()->HasLauncherButtonOnAnyKeyboard()) {
modifier_key = l10n_util::GetStringUTF16(IDS_KSV_MODIFIER_LAUNCHER);
} else {
modifier_key = l10n_util::GetStringUTF16(IDS_KSV_MODIFIER_SEARCH);
}
std::u16string description = l10n_util::GetStringFUTF16(
IDS_ASH_SELECT_TO_SPEAK_KEYBOARD_DIALOG_DESCRIPTION, modifier_key);
ShowConfirmationDialog(
title, description, l10n_util::GetStringUTF16(IDS_ASH_CONTINUE_BUTTON),
l10n_util::GetStringUTF16(IDS_APP_CANCEL),
base::BindOnce(
&AccessibilityController::OnSelectToSpeakKeyboardDialogAccepted,
GetWeakPtr()),
base::BindOnce(
&AccessibilityController::OnSelectToSpeakKeyboardDialogDismissed,
GetWeakPtr()),
base::BindOnce(
&AccessibilityController::OnSelectToSpeakKeyboardDialogDismissed,
GetWeakPtr()));
}
void AccessibilityController::OnSelectToSpeakKeyboardDialogAccepted() {
active_user_prefs_->SetBoolean(
prefs::kSelectToSpeakAcceleratorDialogHasBeenAccepted, true);
confirmation_dialog_.reset();
select_to_speak().SetEnabled(true);
}
void AccessibilityController::OnSelectToSpeakKeyboardDialogDismissed() {
confirmation_dialog_.reset();
}
void AccessibilityController::ShowDictationLanguageUpgradedNudge(
const std::string& dictation_locale,
const std::string& application_locale) {
const std::u16string language_name = l10n_util::GetDisplayNameForLocale(
dictation_locale, application_locale, /*is_for_ui=*/true);
const std::u16string body_text = l10n_util::GetStringFUTF16(
IDS_ASH_DICTATION_LANGUAGE_SUPPORTED_OFFLINE_NUDGE, language_name);
AnchoredNudgeData nudge_data(kDictationLanguageUpgradedNudgeId,
NudgeCatalogName::kDictation, body_text);
AnchoredNudgeManager::Get()->Show(nudge_data);
}
void AccessibilityController::SilenceSpokenFeedback() {
if (client_) {
client_->SilenceSpokenFeedback();
}
}
bool AccessibilityController::ShouldToggleSpokenFeedbackViaTouch() const {
return client_ && client_->ShouldToggleSpokenFeedbackViaTouch();
}
void AccessibilityController::PlaySpokenFeedbackToggleCountdown(
int tick_count) {
if (client_) {
client_->PlaySpokenFeedbackToggleCountdown(tick_count);
}
}
bool AccessibilityController::IsEnterpriseIconVisibleInTrayMenu(
const std::string& path) {
return active_user_prefs_ &&
active_user_prefs_->FindPreference(path)->IsManaged();
}
void AccessibilityController::SetClient(AccessibilityControllerClient* client) {
client_ = client;
}
void AccessibilityController::SetDarkenScreen(bool darken) {
if (darken && !scoped_backlights_forced_off_) {
scoped_backlights_forced_off_ =
Shell::Get()->backlights_forced_off_setter()->ForceBacklightsOff();
} else if (!darken && scoped_backlights_forced_off_) {
scoped_backlights_forced_off_.reset();
}
}
void AccessibilityController::BrailleDisplayStateChanged(bool connected) {
A11yNotificationType type = A11yNotificationType::kNone;
if (connected && spoken_feedback().enabled()) {
type = A11yNotificationType::kBrailleDisplayConnected;
} else if (connected && !spoken_feedback().enabled()) {
type = A11yNotificationType::kSpokenFeedbackBrailleEnabled;
}
if (connected) {
SetSpokenFeedbackEnabled(true, A11Y_NOTIFICATION_NONE);
}
NotifyAccessibilityStatusChanged();
ShowAccessibilityNotification(
A11yNotificationWrapper(type, std::vector<std::u16string>()));
}
void AccessibilityController::SetFocusHighlightRect(
const gfx::Rect& bounds_in_screen) {
if (!accessibility_highlight_controller_) {
return;
}
accessibility_highlight_controller_->SetFocusHighlightRect(bounds_in_screen);
}
void AccessibilityController::SetCaretBounds(
const gfx::Rect& bounds_in_screen) {
if (!accessibility_highlight_controller_) {
return;
}
accessibility_highlight_controller_->SetCaretBounds(bounds_in_screen);
}
void AccessibilityController::SetAccessibilityPanelAlwaysVisible(
bool always_visible) {
GetLayoutManager()->SetAlwaysVisible(always_visible);
}
void AccessibilityController::SetAccessibilityPanelBounds(
const gfx::Rect& bounds,
AccessibilityPanelState state) {
GetLayoutManager()->SetPanelBounds(bounds, state);
}
void AccessibilityController::OnSigninScreenPrefServiceInitialized(
PrefService* prefs) {
// Make |kA11yPrefsForRecommendedValueOnSignin| observing recommended values
// on signin screen. See PolicyRecommendationRestorer.
PolicyRecommendationRestorer* policy_recommendation_restorer =
Shell::Get()->policy_recommendation_restorer();
for (auto* const pref_name : kA11yPrefsForRecommendedValueOnSignin) {
policy_recommendation_restorer->ObservePref(pref_name);
}
// Observe user settings. This must happen after PolicyRecommendationRestorer.
ObservePrefs(prefs);
}
void AccessibilityController::OnActiveUserPrefServiceChanged(
PrefService* prefs) {
// This is guaranteed to be received after
// OnSigninScreenPrefServiceInitialized() so only copy the signin prefs if
// needed here.
CopySigninPrefsIfNeeded(active_user_prefs_, prefs);
ObservePrefs(prefs);
}
void AccessibilityController::OnSessionStateChanged(
session_manager::SessionState state) {
if (state != SessionState::ACTIVE) {
// Log metrics for how long the features were enabled if needed.
for (auto& feature : features_) {
feature->LogDurationMetric();
}
}
// Everything behind the lock screen is in
// kShellWindowId_NonLockScreenContainersContainer. If the session state is
// changed to block the user session due to the lock screen or similar,
// everything in that window should be made invisible for accessibility.
// This keeps a11y features from being able to access parts of the tree
// that are visibly hidden behind the lock screen.
aura::Window* container =
Shell::GetContainer(Shell::GetPrimaryRootWindow(),
kShellWindowId_NonLockScreenContainersContainer);
container->SetProperty(
ui::kAXConsiderInvisibleAndIgnoreChildren,
Shell::Get()->session_controller()->IsUserSessionBlocked());
}
AccessibilityEventRewriter*
AccessibilityController::GetAccessibilityEventRewriterForTest() {
return accessibility_event_rewriter_;
}
DisableTrackpadEventRewriter*
AccessibilityController::GetDisableTrackpadEventRewriterForTest() {
return disable_trackpad_event_rewriter_;
}
FilterKeysEventRewriter*
AccessibilityController::GetFilterKeysEventRewriterForTest() {
return filter_keys_event_rewriter_;
}
void AccessibilityController::DisableAutoClickConfirmationDialogForTest() {
no_auto_click_confirmation_dialog_for_testing_ = true;
}
void AccessibilityController::
DisableSwitchAccessDisableConfirmationDialogTesting() {
no_switch_access_disable_confirmation_dialog_for_testing_ = true;
}
void AccessibilityController::DisableSwitchAccessEnableNotificationTesting() {
skip_switch_access_notification_ = true;
}
void AccessibilityController::OnDisplayTabletStateChanged(
display::TabletState state) {
if (spoken_feedback().enabled()) {
// Show accessibility notification when tablet mode transition is completed.
if (state == display::TabletState::kInTabletMode ||
state == display::TabletState::kInClamshellMode) {
ShowAccessibilityNotification(
A11yNotificationWrapper(A11yNotificationType::kSpokenFeedbackEnabled,
std::vector<std::u16string>()));
}
}
}
void AccessibilityController::ObservePrefs(PrefService* prefs) {
DCHECK(prefs);
active_user_prefs_ = prefs;
// Watch for pref updates from webui settings and policy.
pref_change_registrar_ = std::make_unique<PrefChangeRegistrar>();
pref_change_registrar_->Init(prefs);
// It is safe to use base::Unreatined since we own pref_change_registrar.
for (const std::unique_ptr<Feature>& feature : features_) {
DCHECK(feature);
pref_change_registrar_->Add(
feature->pref_name(),
base::BindRepeating(&AccessibilityController::Feature::UpdateFromPref,
base::Unretained(feature.get())));
if (feature->conflicting_feature() != FeatureType::kNoConflictingFeature) {
feature->ObserveConflictingFeature();
}
// Features will be initialized from current prefs later.
}
pref_change_registrar_->Add(
prefs::kAccessibilityAutoclickDelayMs,
base::BindRepeating(
&AccessibilityController::UpdateAutoclickDelayFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityAutoclickEventType,
base::BindRepeating(
&AccessibilityController::UpdateAutoclickEventTypeFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityAutoclickRevertToLeftClick,
base::BindRepeating(
&AccessibilityController::UpdateAutoclickRevertToLeftClickFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityAutoclickStabilizePosition,
base::BindRepeating(
&AccessibilityController::UpdateAutoclickStabilizePositionFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityAutoclickMovementThreshold,
base::BindRepeating(
&AccessibilityController::UpdateAutoclickMovementThresholdFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityAutoclickMenuPosition,
base::BindRepeating(
&AccessibilityController::UpdateAutoclickMenuPositionFromPref,
base::Unretained(this)));
if (::features::IsAccessibilityMouseKeysEnabled()) {
pref_change_registrar_->Add(
prefs::kAccessibilityMouseKeysAcceleration,
base::BindRepeating(
&AccessibilityController::UpdateMouseKeysAccelerationFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityMouseKeysMaxSpeed,
base::BindRepeating(
&AccessibilityController::UpdateMouseKeysMaxSpeedFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityMouseKeysUsePrimaryKeys,
base::BindRepeating(
&AccessibilityController::UpdateMouseKeysUsePrimaryKeysFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityMouseKeysDominantHand,
base::BindRepeating(
&AccessibilityController::UpdateMouseKeysDominantHandFromPref,
base::Unretained(this)));
}
pref_change_registrar_->Add(
prefs::kAccessibilityFloatingMenuPosition,
base::BindRepeating(
&AccessibilityController::UpdateFloatingMenuPositionFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityLargeCursorDipSize,
base::BindRepeating(&AccessibilityController::UpdateLargeCursorFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityShortcutsEnabled,
base::BindRepeating(
&AccessibilityController::UpdateShortcutsEnabledFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilitySwitchAccessSelectDeviceKeyCodes,
base::BindRepeating(
&AccessibilityController::UpdateSwitchAccessKeyCodesFromPref,
base::Unretained(this), SwitchAccessCommand::kSelect));
pref_change_registrar_->Add(
prefs::kAccessibilitySwitchAccessNextDeviceKeyCodes,
base::BindRepeating(
&AccessibilityController::UpdateSwitchAccessKeyCodesFromPref,
base::Unretained(this), SwitchAccessCommand::kNext));
pref_change_registrar_->Add(
prefs::kAccessibilitySwitchAccessPreviousDeviceKeyCodes,
base::BindRepeating(
&AccessibilityController::UpdateSwitchAccessKeyCodesFromPref,
base::Unretained(this), SwitchAccessCommand::kPrevious));
pref_change_registrar_->Add(
prefs::kAccessibilitySwitchAccessAutoScanEnabled,
base::BindRepeating(
&AccessibilityController::UpdateSwitchAccessAutoScanEnabledFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilitySwitchAccessAutoScanSpeedMs,
base::BindRepeating(
&AccessibilityController::UpdateSwitchAccessAutoScanSpeedFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilitySwitchAccessAutoScanKeyboardSpeedMs,
base::BindRepeating(&AccessibilityController::
UpdateSwitchAccessAutoScanKeyboardSpeedFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilitySwitchAccessPointScanSpeedDipsPerSecond,
base::BindRepeating(
&AccessibilityController::UpdateSwitchAccessPointScanSpeedFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityTabletModeShelfNavigationButtonsEnabled,
base::BindRepeating(&AccessibilityController::
UpdateTabletModeShelfNavigationButtonsFromPref,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityCursorColor,
base::BindRepeating(&AccessibilityController::UpdateCursorColorFromPrefs,
base::Unretained(this), /*notify*/ true));
pref_change_registrar_->Add(
prefs::kAccessibilityColorVisionCorrectionAmount,
base::BindRepeating(
&AccessibilityController::UpdateColorCorrectionFromPrefs,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kAccessibilityColorVisionCorrectionType,
base::BindRepeating(
&AccessibilityController::UpdateColorCorrectionFromPrefs,
base::Unretained(this)));
if (::features::IsAccessibilityCaretBlinkIntervalSettingEnabled()) {
pref_change_registrar_->Add(
prefs::kAccessibilityCaretBlinkInterval,
base::BindRepeating(
&AccessibilityController::UpdateCaretBlinkIntervalFromPrefs,
base::Unretained(this)));
}
if (::features::IsAccessibilityFlashScreenFeatureEnabled()) {
pref_change_registrar_->Add(
prefs::kAccessibilityFlashNotificationsColor,
base::BindRepeating(
&AccessibilityController::UpdateFlashNotificationsFromPrefs,
base::Unretained(this)));
}
if (::features::IsAccessibilityDisableTrackpadEnabled()) {
pref_change_registrar_->Add(
prefs::kAccessibilityDisableTrackpadMode,
base::BindRepeating(
&AccessibilityController::UpdateDisableTrackpadFromPrefs,
base::Unretained(this)));
}
for (const std::unique_ptr<Feature>& feature : features_) {
// Log previous duration and clear duration metric if necessary
// when the profile has changed.
feature->LogDurationMetric();
// Load current state.
feature->UpdateFromPref();
}
// Load current state of other prefs.
UpdateAutoclickDelayFromPref();
UpdateAutoclickEventTypeFromPref();
UpdateAutoclickRevertToLeftClickFromPref();
UpdateAutoclickStabilizePositionFromPref();
UpdateAutoclickMovementThresholdFromPref();
UpdateAutoclickMenuPositionFromPref();
if (::features::IsAccessibilityMouseKeysEnabled()) {
UpdateMouseKeysAccelerationFromPref();
UpdateMouseKeysMaxSpeedFromPref();
UpdateMouseKeysUsePrimaryKeysFromPref();
UpdateMouseKeysDominantHandFromPref();
}
UpdateFloatingMenuPositionFromPref();
UpdateLargeCursorFromPref();
UpdateCursorColorFromPrefs(/*notify=*/true);
UpdateShortcutsEnabledFromPref();
UpdateTabletModeShelfNavigationButtonsFromPref();
UpdateColorCorrectionFromPrefs();
UpdateCaretBlinkIntervalFromPrefs();
if (::features::IsAccessibilityFaceGazeEnabled()) {
UpdateFaceGazeFromPrefs();
}
if (::features::IsAccessibilityFlashScreenFeatureEnabled()) {
UpdateFlashNotificationsFromPrefs();
}
if (::features::IsAccessibilityDisableTrackpadEnabled()) {
UpdateDisableTrackpadFromPrefs();
}
}
void AccessibilityController::UpdateAutoclickDelayFromPref() {
DCHECK(active_user_prefs_);
base::TimeDelta autoclick_delay = base::Milliseconds(int64_t{
active_user_prefs_->GetInteger(prefs::kAccessibilityAutoclickDelayMs)});
if (autoclick_delay_ == autoclick_delay) {
return;
}
autoclick_delay_ = autoclick_delay;
Shell::Get()->autoclick_controller()->SetAutoclickDelay(autoclick_delay_);
}
void AccessibilityController::UpdateAutoclickEventTypeFromPref() {
Shell::Get()->autoclick_controller()->SetAutoclickEventType(
GetAutoclickEventType());
}
void AccessibilityController::SetAutoclickEventType(
AutoclickEventType event_type) {
if (!active_user_prefs_) {
return;
}
active_user_prefs_->SetInteger(prefs::kAccessibilityAutoclickEventType,
static_cast<int>(event_type));
active_user_prefs_->CommitPendingWrite();
Shell::Get()->autoclick_controller()->SetAutoclickEventType(event_type);
}
AutoclickEventType AccessibilityController::GetAutoclickEventType() {
DCHECK(active_user_prefs_);
return static_cast<AutoclickEventType>(
active_user_prefs_->GetInteger(prefs::kAccessibilityAutoclickEventType));
}
void AccessibilityController::UpdateAutoclickRevertToLeftClickFromPref() {
DCHECK(active_user_prefs_);
bool revert_to_left_click = active_user_prefs_->GetBoolean(
prefs::kAccessibilityAutoclickRevertToLeftClick);
Shell::Get()->autoclick_controller()->set_revert_to_left_click(
revert_to_left_click);
}
void AccessibilityController::UpdateAutoclickStabilizePositionFromPref() {
DCHECK(active_user_prefs_);
bool stabilize_position = active_user_prefs_->GetBoolean(
prefs::kAccessibilityAutoclickStabilizePosition);
Shell::Get()->autoclick_controller()->set_stabilize_click_position(
stabilize_position);
}
void AccessibilityController::UpdateAutoclickMovementThresholdFromPref() {
DCHECK(active_user_prefs_);
int movement_threshold = active_user_prefs_->GetInteger(
prefs::kAccessibilityAutoclickMovementThreshold);
Shell::Get()->autoclick_controller()->SetMovementThreshold(
movement_threshold);
}
void AccessibilityController::UpdateAutoclickMenuPositionFromPref() {
Shell::Get()->autoclick_controller()->SetMenuPosition(
GetAutoclickMenuPosition());
}
void AccessibilityController::UpdateMouseKeysAccelerationFromPref() {
DCHECK(active_user_prefs_);
double acceleration =
active_user_prefs_->GetDouble(prefs::kAccessibilityMouseKeysAcceleration);
Shell::Get()->mouse_keys_controller()->set_acceleration(acceleration);
}
void AccessibilityController::UpdateMouseKeysMaxSpeedFromPref() {
DCHECK(active_user_prefs_);
double max_speed =
active_user_prefs_->GetDouble(prefs::kAccessibilityMouseKeysMaxSpeed);
Shell::Get()->mouse_keys_controller()->SetMaxSpeed(max_speed);
}
void AccessibilityController::UpdateMouseKeysUsePrimaryKeysFromPref() {
DCHECK(active_user_prefs_);
bool value = active_user_prefs_->GetBoolean(
prefs::kAccessibilityMouseKeysUsePrimaryKeys);
Shell::Get()->mouse_keys_controller()->set_use_primary_keys(value);
}
void AccessibilityController::UpdateMouseKeysDominantHandFromPref() {
DCHECK(active_user_prefs_);
MouseKeysDominantHand dominant_hand =
static_cast<MouseKeysDominantHand>(active_user_prefs_->GetInteger(
prefs::kAccessibilityMouseKeysDominantHand));
Shell::Get()->mouse_keys_controller()->set_left_handed(
dominant_hand == MouseKeysDominantHand::kLeftHandDominant);
}
void AccessibilityController::SetAutoclickMenuPosition(
FloatingMenuPosition position) {
if (!active_user_prefs_) {
return;
}
active_user_prefs_->SetInteger(prefs::kAccessibilityAutoclickMenuPosition,
static_cast<int>(position));
active_user_prefs_->CommitPendingWrite();
Shell::Get()->autoclick_controller()->SetMenuPosition(position);
}
FloatingMenuPosition AccessibilityController::GetAutoclickMenuPosition() {
DCHECK(active_user_prefs_);
return static_cast<FloatingMenuPosition>(active_user_prefs_->GetInteger(
prefs::kAccessibilityAutoclickMenuPosition));
}
void AccessibilityController::RequestAutoclickScrollableBoundsForPoint(
const gfx::Point& point_in_screen) {
if (client_) {
client_->RequestAutoclickScrollableBoundsForPoint(point_in_screen);
}
}
void AccessibilityController::MagnifierBoundsChanged(
const gfx::Rect& bounds_in_screen) {
if (client_) {
client_->MagnifierBoundsChanged(bounds_in_screen);
}
}
void AccessibilityController::UpdateFloatingPanelBoundsIfNeeded() {
Shell* shell = Shell::Get();
if (shell->accessibility_controller()->autoclick().enabled()) {
shell->autoclick_controller()->UpdateAutoclickMenuBoundsIfNeeded();
}
if (shell->accessibility_controller()->sticky_keys().enabled()) {
shell->sticky_keys_controller()->UpdateStickyKeysOverlayBoundsIfNeeded();
}
}
void AccessibilityController::UpdateAutoclickMenuBoundsIfNeeded() {
Shell::Get()->autoclick_controller()->UpdateAutoclickMenuBoundsIfNeeded();
}
void AccessibilityController::HandleAutoclickScrollableBoundsFound(
const gfx::Rect& bounds_in_screen) {
Shell::Get()->autoclick_controller()->HandleAutoclickScrollableBoundsFound(
bounds_in_screen);
}
void AccessibilityController::SetFloatingMenuPosition(
FloatingMenuPosition position) {
if (!active_user_prefs_) {
return;
}
active_user_prefs_->SetInteger(prefs::kAccessibilityFloatingMenuPosition,
static_cast<int>(position));
active_user_prefs_->CommitPendingWrite();
}
void AccessibilityController::UpdateFloatingMenuPositionFromPref() {
if (floating_menu_controller_) {
floating_menu_controller_->SetMenuPosition(GetFloatingMenuPosition());
}
}
FloatingMenuPosition AccessibilityController::GetFloatingMenuPosition() {
DCHECK(active_user_prefs_);
return static_cast<FloatingMenuPosition>(active_user_prefs_->GetInteger(
prefs::kAccessibilityFloatingMenuPosition));
}
void AccessibilityController::UpdateLargeCursorFromPref() {
DCHECK(active_user_prefs_);
const bool enabled = large_cursor().enabled();
const int size = enabled ? active_user_prefs_->GetInteger(
prefs::kAccessibilityLargeCursorDipSize)
: kDefaultLargeCursorSize;
if (large_cursor_size_in_dip_ == size) {
return;
}
large_cursor_size_in_dip_ = size;
NotifyAccessibilityStatusChanged();
Shell* shell = Shell::Get();
shell->cursor_manager()->SetCursorSize(enabled ? ui::CursorSize::kLarge
: ui::CursorSize::kNormal);
shell->SetLargeCursorSizeInDip(large_cursor_size_in_dip_);
shell->UpdateCursorCompositingEnabled();
}
void AccessibilityController::UpdateCursorColorFromPrefs(bool notify) {
DCHECK(active_user_prefs_);
const bool enabled =
active_user_prefs_->GetBoolean(prefs::kAccessibilityCursorColorEnabled);
Shell* shell = Shell::Get();
shell->SetCursorColor(
enabled ? active_user_prefs_->GetInteger(prefs::kAccessibilityCursorColor)
: kDefaultCursorColor);
if (notify) {
NotifyAccessibilityStatusChanged();
}
shell->UpdateCursorCompositingEnabled();
}
void AccessibilityController::UpdateFaceGazeFromPrefs() {
if (!::features::IsAccessibilityFaceGazeEnabled()) {
return;
}
// TODO(b/309121742): Start getting camera data.
}
void AccessibilityController::UpdateFlashNotificationsFromPrefs() {
if (!::features::IsAccessibilityFlashScreenFeatureEnabled()) {
return;
}
flash_screen_controller_->set_enabled(active_user_prefs_->GetBoolean(
prefs::kAccessibilityFlashNotificationsEnabled));
flash_screen_controller_->set_color(active_user_prefs_->GetInteger(
prefs::kAccessibilityFlashNotificationsColor));
}
void AccessibilityController::UpdateDisableTrackpadFromPrefs() {
if (!disable_trackpad_event_rewriter_ ||
!::features::IsAccessibilityDisableTrackpadEnabled()) {
return;
}
// TODO(b:354176487): Send trackpad mode to event rewriter
disable_trackpad_event_rewriter_->SetEnabled(
active_user_prefs_->GetInteger(
prefs::kAccessibilityDisableTrackpadMode) !=
static_cast<int>(DisableTrackpadMode::kNever));
}
void AccessibilityController::UpdateColorCorrectionFromPrefs() {
DCHECK(active_user_prefs_);
auto* color_enhancement_controller =
Shell::Get()->color_enhancement_controller();
if (!active_user_prefs_->GetBoolean(
prefs::kAccessibilityColorCorrectionEnabled)) {
color_enhancement_controller->SetColorCorrectionEnabledAndUpdateDisplays(
false);
return;
}
const float cvd_correction_amount =
active_user_prefs_->GetInteger(
prefs::kAccessibilityColorVisionCorrectionAmount) /
100.0f;
ColorVisionCorrectionType type =
static_cast<ColorVisionCorrectionType>(active_user_prefs_->GetInteger(
prefs::kAccessibilityColorVisionCorrectionType));
color_enhancement_controller->SetColorVisionCorrectionFilter(
type, cvd_correction_amount);
// Ensure displays get updated.
color_enhancement_controller->SetColorCorrectionEnabledAndUpdateDisplays(
true);
}
void AccessibilityController::UpdateCaretBlinkIntervalFromPrefs() const {
if (!::features::IsAccessibilityCaretBlinkIntervalSettingEnabled()) {
return;
}
base::TimeDelta caret_blink_interval = base::Milliseconds(
active_user_prefs_->GetInteger(prefs::kAccessibilityCaretBlinkInterval));
bool notify_dark = false;
bool notify_web = false;
bool notify_native = false;
auto* native_theme_dark = ui::NativeTheme::GetInstanceForDarkUI();
if (native_theme_dark->GetCaretBlinkInterval() != caret_blink_interval) {
notify_dark = true;
native_theme_dark->set_caret_blink_interval(caret_blink_interval);
}
auto* native_theme_web = ui::NativeTheme::GetInstanceForWeb();
if (native_theme_web->GetCaretBlinkInterval() != caret_blink_interval) {
notify_web = true;
native_theme_web->set_caret_blink_interval(caret_blink_interval);
}
auto* native_theme = ui::NativeTheme::GetInstanceForNativeUi();
if (native_theme->GetCaretBlinkInterval() != caret_blink_interval) {
notify_native = true;
native_theme->set_caret_blink_interval(caret_blink_interval);
}
// Avoid unnecessary notifications.
if (notify_dark) {
native_theme_dark->NotifyOnNativeThemeUpdated();
}
if (notify_web) {
native_theme_web->NotifyOnNativeThemeUpdated();
}
if (notify_native) {
native_theme->NotifyOnNativeThemeUpdated();
}
}
std::optional<ui::KeyboardCode>
AccessibilityController::GetCaretBrowsingActionKey() {
const std::vector<ui::KeyboardDevice>& keyboards =
ui::DeviceDataManager::GetInstance()->GetKeyboardDevices();
std::optional<ui::TopRowActionKey> key;
if (keyboards.size() > 0) {
if (ash::Shell::Get()
->event_rewriter_controller()
->event_rewriter_ash_delegate()
->TopRowKeysAreFunctionKeys(keyboards[0].id)) {
return ui::VKEY_F7;
}
key = ash::Shell::Get()
->keyboard_capability()
->GetCorrespondingActionKeyForFKey(keyboards[0], ui::VKEY_F7);
}
if (key) {
return ui::KeyboardCapability::ConvertToKeyboardCode(*key);
}
return std::nullopt;
}
void AccessibilityController::UpdateAccessibilityHighlightingFromPrefs() {
if (!caret_highlight().enabled() && !cursor_highlight().enabled() &&
!focus_highlight().enabled()) {
accessibility_highlight_controller_.reset();
return;
}
if (!accessibility_highlight_controller_) {
accessibility_highlight_controller_ =
std::make_unique<AccessibilityHighlightController>();
}
accessibility_highlight_controller_->HighlightCaret(
caret_highlight().enabled());
accessibility_highlight_controller_->HighlightCursor(
cursor_highlight().enabled());
accessibility_highlight_controller_->HighlightFocus(
focus_highlight().enabled());
}
void AccessibilityController::MaybeCreateSelectToSpeakEventHandler() {
// Construct the handler as needed when Select-to-Speak is enabled and the
// delegate is set. Otherwise, destroy the handler when Select-to-Speak is
// disabled or the delegate has been destroyed.
if (!select_to_speak().enabled() ||
!select_to_speak_event_handler_delegate_) {
select_to_speak_event_handler_.reset();
return;
}
if (select_to_speak_event_handler_) {
return;
}
select_to_speak_event_handler_ = std::make_unique<SelectToSpeakEventHandler>(
select_to_speak_event_handler_delegate_);
}
void AccessibilityController::UpdateSwitchAccessKeyCodesFromPref(
SwitchAccessCommand command) {
if (!active_user_prefs_) {
return;
}
SyncSwitchAccessPrefsToSignInProfile();
if (!accessibility_event_rewriter_) {
return;
}
std::string pref_key = PrefKeyForSwitchAccessCommand(command);
const base::Value::Dict& key_codes_pref =
active_user_prefs_->GetDict(pref_key);
std::map<int, std::set<std::string>> key_codes;
for (const auto v : key_codes_pref) {
int key_code;
if (!base::StringToInt(v.first, &key_code)) {
NOTREACHED();
}
key_codes[key_code] = std::set<std::string>();
for (const base::Value& device_type : v.second.GetList()) {
key_codes[key_code].insert(device_type.GetString());
}
DCHECK(!key_codes[key_code].empty());
}
std::string uma_name = UmaNameForSwitchAccessCommand(command);
if (key_codes.size() == 0) {
base::UmaHistogramEnumeration(uma_name, SwitchAccessKeyCode::kNone);
}
for (const auto& key_code : key_codes) {
base::UmaHistogramEnumeration(
uma_name, static_cast<SwitchAccessKeyCode>(key_code.first));
}
accessibility_event_rewriter_->SetKeyCodesForSwitchAccessCommand(key_codes,
command);
}
void AccessibilityController::UpdateSwitchAccessAutoScanEnabledFromPref() {
DCHECK(active_user_prefs_);
const bool enabled = active_user_prefs_->GetBoolean(
prefs::kAccessibilitySwitchAccessAutoScanEnabled);
base::UmaHistogramBoolean("Accessibility.CrosSwitchAccess.AutoScan", enabled);
SyncSwitchAccessPrefsToSignInProfile();
}
void AccessibilityController::UpdateSwitchAccessAutoScanSpeedFromPref() {
DCHECK(active_user_prefs_);
const int speed_ms = active_user_prefs_->GetInteger(
prefs::kAccessibilitySwitchAccessAutoScanSpeedMs);
base::UmaHistogramCustomCounts(
"Accessibility.CrosSwitchAccess.AutoScan.SpeedMs", speed_ms, 1 /* min */,
10000 /* max */, 100 /* buckets */);
SyncSwitchAccessPrefsToSignInProfile();
}
void AccessibilityController::
UpdateSwitchAccessAutoScanKeyboardSpeedFromPref() {
DCHECK(active_user_prefs_);
const int speed_ms = active_user_prefs_->GetInteger(
prefs::kAccessibilitySwitchAccessAutoScanKeyboardSpeedMs);
base::UmaHistogramCustomCounts(
"Accessibility.CrosSwitchAccess.AutoScan.KeyboardSpeedMs", speed_ms,
1 /* min */, 10000 /* max */, 100 /* buckets */);
SyncSwitchAccessPrefsToSignInProfile();
}
void AccessibilityController::UpdateSwitchAccessPointScanSpeedFromPref() {
// TODO(accessibility): Log histogram for point scan speed
DCHECK(active_user_prefs_);
const int point_scan_speed_dips_per_second = active_user_prefs_->GetInteger(
prefs::kAccessibilitySwitchAccessPointScanSpeedDipsPerSecond);
SetPointScanSpeedDipsPerSecond(point_scan_speed_dips_per_second);
SyncSwitchAccessPrefsToSignInProfile();
}
void AccessibilityController::SwitchAccessDisableDialogClosed(
bool disable_dialog_accepted) {
switch_access_disable_dialog_showing_ = false;
// Always deactivate switch access. Turning switch access off ensures it is
// re-activated correctly.
// The pref was already disabled, but we left switch access on so the user
// could interact with the dialog.
DeactivateSwitchAccess();
if (disable_dialog_accepted) {
RemoveAccessibilityNotification();
NotifyAccessibilityStatusChanged();
SyncSwitchAccessPrefsToSignInProfile();
} else {
// Reset the preference (which was already set to false). Doing so turns
// switch access back on.
skip_switch_access_notification_ = true;
switch_access().SetEnabled(true);
}
}
void AccessibilityController::UpdateKeyCodesAfterSwitchAccessEnabled() {
UpdateSwitchAccessKeyCodesFromPref(SwitchAccessCommand::kSelect);
UpdateSwitchAccessKeyCodesFromPref(SwitchAccessCommand::kNext);
UpdateSwitchAccessKeyCodesFromPref(SwitchAccessCommand::kPrevious);
}
void AccessibilityController::ActivateSwitchAccess() {
switch_access_bubble_controller_ =
std::make_unique<SwitchAccessMenuBubbleController>();
point_scan_controller_ = std::make_unique<PointScanController>();
UpdateKeyCodesAfterSwitchAccessEnabled();
UpdateSwitchAccessPointScanSpeedFromPref();
if (skip_switch_access_notification_) {
skip_switch_access_notification_ = false;
return;
}
ShowAccessibilityNotification(
A11yNotificationWrapper(A11yNotificationType::kSwitchAccessEnabled,
std::vector<std::u16string>()));
}
void AccessibilityController::DeactivateSwitchAccess() {
if (client_) {
client_->OnSwitchAccessDisabled();
}
point_scan_controller_.reset();
switch_access_bubble_controller_.reset();
}
void AccessibilityController::SyncSwitchAccessPrefsToSignInProfile() {
if (!active_user_prefs_ || IsSigninPrefService(active_user_prefs_)) {
return;
}
PrefService* signin_prefs =
Shell::Get()->session_controller()->GetSigninScreenPrefService();
DCHECK(signin_prefs);
for (const auto* pref_path : kSwitchAccessPrefsCopiedToSignin) {
const PrefService::Preference* pref =
active_user_prefs_->FindPreference(pref_path);
// Ignore if the pref has not been set by the user.
if (!pref || !pref->IsUserControlled()) {
continue;
}
// Copy the pref value to the signin profile.
const base::Value* value = pref->GetValue();
signin_prefs->Set(pref_path, *value);
}
}
void AccessibilityController::UpdateShortcutsEnabledFromPref() {
DCHECK(active_user_prefs_);
const bool enabled =
active_user_prefs_->GetBoolean(prefs::kAccessibilityShortcutsEnabled);
if (shortcuts_enabled_ == enabled) {
return;
}
shortcuts_enabled_ = enabled;
NotifyAccessibilityStatusChanged();
}
void AccessibilityController::UpdateTabletModeShelfNavigationButtonsFromPref() {
DCHECK(active_user_prefs_);
const bool enabled = active_user_prefs_->GetBoolean(
prefs::kAccessibilityTabletModeShelfNavigationButtonsEnabled);
if (tablet_mode_shelf_navigation_buttons_enabled_ == enabled) {
return;
}
tablet_mode_shelf_navigation_buttons_enabled_ = enabled;
NotifyAccessibilityStatusChanged();
}
std::u16string AccessibilityController::GetBatteryDescription() const {
// Pass battery status as string to callback function.
return PowerStatus::Get()->GetAccessibleNameString(
/*full_description=*/true);
}
void AccessibilityController::SetVirtualKeyboardVisible(bool is_visible) {
if (is_visible) {
Shell::Get()->keyboard_controller()->ShowKeyboard();
} else {
Shell::Get()->keyboard_controller()->HideKeyboard(HideReason::kUser);
}
if (set_virtual_keyboard_visible_callback_) {
set_virtual_keyboard_visible_callback_.Run();
}
}
void AccessibilityController::ToggleMouseKeys() {
if (::features::IsAccessibilityMouseKeysEnabled() && mouse_keys().enabled()) {
Shell::Get()->mouse_keys_controller()->Toggle();
}
}
void AccessibilityController::PerformAccessibilityAction() {
// TODO(b/335456364): Add UMA.
aura::Window* target_root = Shell::GetRootWindowForNewWindows();
StatusAreaWidget* status_area_widget =
RootWindowController::ForWindow(target_root)->GetStatusAreaWidget();
if (!status_area_widget) {
// TODO(b/335456364): Support Kiosk mode.
}
UnifiedSystemTray* tray = status_area_widget->unified_system_tray();
if (tray->IsBubbleShown()) {
if (tray->bubble()
->unified_system_tray_controller()
->showing_accessibility_detailed_view()) {
tray->CloseBubble();
return;
}
} else {
tray->ShowBubble();
}
tray->bubble()
->unified_system_tray_controller()
->ShowAccessibilityDetailedView();
}
void AccessibilityController::PerformAcceleratorAction(
AcceleratorAction accelerator_action) {
AcceleratorController::Get()->PerformActionIfEnabled(accelerator_action,
/* accelerator = */ {});
}
void AccessibilityController::NotifyAccessibilityStatusChanged() {
for (auto& observer : observers_) {
observer.OnAccessibilityStatusChanged();
}
}
bool AccessibilityController::IsAccessibilityFeatureVisibleInTrayMenu(
const std::string& path) {
if (!active_user_prefs_) {
return true;
}
if (active_user_prefs_->FindPreference(path)->IsManaged() &&
!active_user_prefs_->GetBoolean(path)) {
return false;
}
return true;
}
void AccessibilityController::SuspendSwitchAccessKeyHandling(bool suspend) {
accessibility_event_rewriter_->set_suspend_switch_access_key_handling(
suspend);
}
void AccessibilityController::EnableChromeVoxVolumeSlideGesture() {
enable_chromevox_volume_slide_gesture_ = true;
}
void AccessibilityController::ShowConfirmationDialog(
const std::u16string& title,
const std::u16string& description,
const std::u16string& confirm_name,
const std::u16string& cancel_name,
base::OnceClosure on_accept_callback,
base::OnceClosure on_cancel_callback,
base::OnceClosure on_close_callback) {
if (confirmation_dialog_) {
// If a dialog is already being shown we do not show a new one.
// Instead, run the on_close_callback on the new dialog to indicate
// it was closed without the user taking any action.
// This is consistent with AcceleratorController.
std::move(on_close_callback).Run();
return;
}
auto* dialog = new AccessibilityConfirmationDialog(
title, description, confirm_name, cancel_name,
std::move(on_accept_callback), std::move(on_cancel_callback),
std::move(on_close_callback));
// Save the dialog so it doesn't go out of scope before it is
// used and closed.
confirmation_dialog_ = dialog->GetWeakPtr();
if (show_confirmation_dialog_callback_for_testing_) {
show_confirmation_dialog_callback_for_testing_.Run();
}
}
gfx::Rect AccessibilityController::GetConfirmationDialogBoundsInScreen() {
if (!confirmation_dialog_.get()) {
return gfx::Rect();
}
return confirmation_dialog_.get()->GetWidget()->GetWindowBoundsInScreen();
}
void AccessibilityController::PreviewFlashNotification() const {
flash_screen_controller_->OnNotificationAdded("preview");
}
void AccessibilityController::
UpdateDictationButtonOnSpeechRecognitionDownloadChanged(
int download_progress) {
dictation_soda_download_progress_ = download_progress;
Shell::Get()
->GetPrimaryRootWindowController()
->GetStatusAreaWidget()
->dictation_button_tray()
->UpdateOnSpeechRecognitionDownloadChanged(download_progress);
}
void AccessibilityController::ShowNotificationForDictation(
DictationNotificationType type,
const std::u16string& display_language) {
A11yNotificationType notification_type;
switch (type) {
case DictationNotificationType::kAllDlcsDownloaded:
notification_type = A11yNotificationType::kDictationAllDlcsDownloaded;
break;
case DictationNotificationType::kNoDlcsDownloaded:
notification_type = A11yNotificationType::kDictationNoDlcsDownloaded;
break;
case DictationNotificationType::kOnlySodaDownloaded:
notification_type = A11yNotificationType::kDictationOnlySodaDownloaded;
break;
case DictationNotificationType::kOnlyPumpkinDownloaded:
notification_type = A11yNotificationType::kDicationOnlyPumpkinDownloaded;
break;
}
ShowAccessibilityNotification(A11yNotificationWrapper(
notification_type, std::vector<std::u16string>{display_language}));
}
void AccessibilityController::ShowNotificationForFaceGaze(
FaceGazeNotificationType type) {
A11yNotificationType notification_type;
std::string notification_shown_pref;
switch (type) {
case FaceGazeNotificationType::kDlcSucceeded:
notification_type = A11yNotificationType::kFaceGazeAssetsDownloaded;
notification_shown_pref =
prefs::kFaceGazeDlcSuccessNotificationHasBeenShown;
break;
case FaceGazeNotificationType::kDlcFailed:
notification_type = A11yNotificationType::kFaceGazeAssetsFailed;
notification_shown_pref =
prefs::kFaceGazeDlcFailureNotificationHasBeenShown;
break;
}
if (active_user_prefs_->GetBoolean(notification_shown_pref)) {
// Do not show notifications more than once.
return;
}
active_user_prefs_->SetBoolean(notification_shown_pref, true);
ShowAccessibilityNotification(A11yNotificationWrapper(
notification_type, std::vector<std::u16string>()));
}
AccessibilityController::A11yNotificationWrapper::A11yNotificationWrapper() =
default;
AccessibilityController::A11yNotificationWrapper::A11yNotificationWrapper(
A11yNotificationType type_in,
std::vector<std::u16string> replacements_in)
: type(type_in), replacements(replacements_in) {}
AccessibilityController::A11yNotificationWrapper::~A11yNotificationWrapper() =
default;
AccessibilityController::A11yNotificationWrapper::A11yNotificationWrapper(
const A11yNotificationWrapper&) = default;
void AccessibilityController::UpdateFeatureFromPref(FeatureType feature) {
size_t feature_index = static_cast<size_t>(feature);
bool enabled = features_[feature_index]->enabled();
bool is_managed = active_user_prefs_->IsManagedPreference(
features_[feature_index]->pref_name());
switch (feature) {
case FeatureType::kAutoclick:
Shell::Get()->autoclick_controller()->SetEnabled(
enabled, /*show_confirmation_dialog=*/
!no_auto_click_confirmation_dialog_for_testing_ && !is_managed);
break;
case FeatureType::kCaretHighlight:
UpdateAccessibilityHighlightingFromPrefs();
break;
case FeatureType::kCursorHighlight:
UpdateAccessibilityHighlightingFromPrefs();
break;
case FeatureType::kDictation:
if (enabled) {
if (!dictation_bubble_controller_) {
dictation_bubble_controller_ =
std::make_unique<DictationBubbleController>();
}
} else {
dictation_bubble_controller_.reset();
}
break;
case FeatureType::kDisableTrackpad:
if (!::features::IsAccessibilityDisableTrackpadEnabled() ||
!disable_trackpad_event_rewriter_) {
return;
}
disable_trackpad_event_rewriter_->SetEnabled(enabled);
break;
case FeatureType::kFloatingMenu:
if (enabled && always_show_floating_menu_when_enabled_) {
ShowFloatingMenuIfEnabled();
} else {
floating_menu_controller_.reset();
}
break;
case FeatureType::kFocusHighlight:
UpdateAccessibilityHighlightingFromPrefs();
break;
case FeatureType::kFullscreenMagnifier:
break;
case FeatureType::kDockedMagnifier:
break;
case FeatureType::kHighContrast:
Shell::Get()->color_enhancement_controller()->SetHighContrastEnabled(
enabled);
break;
case FeatureType::kLargeCursor:
Shell::Get()->cursor_manager()->SetCursorSize(
large_cursor().enabled() ? ui::CursorSize::kLarge
: ui::CursorSize::kNormal);
Shell::Get()->SetLargeCursorSizeInDip(large_cursor_size_in_dip_);
Shell::Get()->UpdateCursorCompositingEnabled();
break;
case FeatureType::kLiveCaption:
live_caption().SetEnabled(enabled);
break;
case FeatureType::kMonoAudio:
CrasAudioHandler::Get()->SetOutputMonoEnabled(enabled);
break;
case FeatureType::kMouseKeys:
if (::features::IsAccessibilityMouseKeysEnabled()) {
// TODO(b/259372916): Consider creating/deleting MouseKeysController
// here.
Shell::Get()->mouse_keys_controller()->set_enabled(enabled);
}
break;
case FeatureType::kSpokenFeedback:
message_center::MessageCenter::Get()->SetSpokenFeedbackEnabled(enabled);
// TODO(warx): ChromeVox loading/unloading requires browser process
// started, thus it is still handled on Chrome side.
// ChromeVox focus highlighting overrides the other focus highlighting.
focus_highlight().UpdateFromPref();
break;
case FeatureType::kReducedAnimations:
gfx::Animation::SetPrefersReducedMotionForA11y(
reduced_animations().enabled());
break;
case FeatureType::kSelectToSpeak:
select_to_speak_state_ = SelectToSpeakState::kSelectToSpeakStateInactive;
if (enabled) {
MaybeCreateSelectToSpeakEventHandler();
} else {
select_to_speak_event_handler_.reset();
HideSelectToSpeakPanel();
select_to_speak_bubble_controller_.reset();
}
break;
case FeatureType::kStickyKeys:
Shell::Get()->sticky_keys_controller()->Enable(enabled);
break;
case FeatureType::kSwitchAccess:
if (!enabled) {
if (no_switch_access_disable_confirmation_dialog_for_testing_) {
SwitchAccessDisableDialogClosed(true);
} else {
// Show a dialog before disabling Switch Access.
new AccessibilityFeatureDisableDialog(
IDS_ASH_SWITCH_ACCESS_DISABLE_CONFIRMATION_TEXT,
base::BindOnce(
&AccessibilityController::SwitchAccessDisableDialogClosed,
weak_ptr_factory_.GetWeakPtr(), true),
base::BindOnce(
&AccessibilityController::SwitchAccessDisableDialogClosed,
weak_ptr_factory_.GetWeakPtr(), false));
switch_access_disable_dialog_showing_ = true;
}
// Return early. We will call NotifyAccessibilityStatusChanged() if the
// user accepts the dialog.
return;
} else {
ActivateSwitchAccess();
}
SyncSwitchAccessPrefsToSignInProfile();
break;
case FeatureType::kVirtualKeyboard:
keyboard::SetAccessibilityKeyboardEnabled(enabled);
break;
case FeatureType::kCursorColor:
// The notification will already come via UpdateFeatureFromPref
// so we don't need to run it twice.
UpdateCursorColorFromPrefs(/*notify=*/false);
break;
case FeatureType::kColorCorrection:
if (enabled && !active_user_prefs_->GetBoolean(
prefs::kAccessibilityColorCorrectionHasBeenSetup)) {
Shell::Get()
->system_tray_model()
->client()
->ShowColorCorrectionSettings();
active_user_prefs_->SetBoolean(
prefs::kAccessibilityColorCorrectionHasBeenSetup, true);
}
UpdateColorCorrectionFromPrefs();
break;
case FeatureType::kFaceGaze:
UpdateFaceGazeFromPrefs();
break;
case FeatureType::kFlashNotifications:
UpdateFlashNotificationsFromPrefs();
break;
case FeatureType::kFeatureCount:
case FeatureType::kNoConflictingFeature:
NOTREACHED();
}
NotifyAccessibilityStatusChanged();
}
void AccessibilityController::UpdateDictationBubble(
bool visible,
DictationBubbleIconType icon,
const std::optional<std::u16string>& text,
const std::optional<std::vector<DictationBubbleHintType>>& hints) {
DCHECK(dictation().enabled());
DCHECK(dictation_bubble_controller_);
dictation_bubble_controller_->UpdateBubble(visible, icon, text, hints);
}
DictationBubbleController*
AccessibilityController::GetDictationBubbleControllerForTest() {
if (!dictation_bubble_controller_) {
dictation_bubble_controller_ =
std::make_unique<DictationBubbleController>();
}
return dictation_bubble_controller_.get();
}
void AccessibilityController::ShowToast(AccessibilityToastType type) {
accessibility_notification_controller_->ShowToast(type);
}
void AccessibilityController::AddShowToastCallbackForTesting(
base::RepeatingCallback<void(AccessibilityToastType)> callback) {
accessibility_notification_controller_->AddShowToastCallbackForTesting(
std::move(callback));
}
void AccessibilityController::AddShowConfirmationDialogCallbackForTesting(
base::RepeatingCallback<void()> callback) {
show_confirmation_dialog_callback_for_testing_ = std::move(callback);
}
bool AccessibilityController::VerifyFeaturesDataForTesting() {
return VerifyFeaturesData();
}
void AccessibilityController::SetVirtualKeyboardVisibleCallbackForTesting(
base::RepeatingCallback<void()> callback) {
set_virtual_keyboard_visible_callback_ = std::move(callback);
}
void AccessibilityController::ScrollAtPoint(
const gfx::Point& target,
AccessibilityScrollDirection direction) {
float scroll_x = 0.0f;
float scroll_y = 0.0f;
switch (direction) {
case AccessibilityScrollDirection::kUp:
scroll_y = kScrollDelta;
break;
case AccessibilityScrollDirection::kDown:
scroll_y = -kScrollDelta;
break;
case AccessibilityScrollDirection::kLeft:
scroll_x = kScrollDelta;
break;
case AccessibilityScrollDirection::kRight:
scroll_x = -kScrollDelta;
}
// Generate a scroll event at the target location.
aura::Window* root_window = window_util::GetRootWindowAt(target);
gfx::Point location_in_pixels(target);
::wm::ConvertPointFromScreen(root_window, &location_in_pixels);
aura::WindowTreeHost* host = root_window->GetHost();
host->ConvertDIPToPixels(&location_in_pixels);
ui::ScrollEvent scroll(
ui::EventType::kScroll, gfx::PointF(location_in_pixels),
gfx::PointF(location_in_pixels), ui::EventTimeForNow(),
ui::EF_IS_SYNTHESIZED, scroll_x, scroll_y, 0 /* x_offset_ordinal */,
0 /* y_offset_ordinal */, 2 /* finger_count */);
ui::MouseWheelEvent wheel(scroll);
std::ignore = host->GetEventSink()->OnEventFromSource(&wheel);
}
} // namespace ash
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