| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /** |
| * @fileoverview |
| * 'settings-a11y-page' is the small section of advanced settings with |
| * a link to the web store accessibility page on most platforms, and |
| * a subpage with lots of other settings on Chrome OS. |
| */ |
| Polymer({ |
| is: 'settings-a11y-page', |
| |
| behaviors: [WebUIListenerBehavior], |
| |
| properties: { |
| /** |
| * The current active route. |
| */ |
| currentRoute: { |
| type: Object, |
| notify: true, |
| }, |
| |
| /** |
| * Preferences state. |
| */ |
| prefs: { |
| type: Object, |
| notify: true, |
| }, |
| |
| /** |
| * Whether to show accessibility labels settings. |
| */ |
| showAccessibilityLabelsSetting_: { |
| type: Boolean, |
| value: false, |
| }, |
| |
| /** @private {!Map<string, string>} */ |
| focusConfig_: { |
| type: Object, |
| value: function() { |
| const map = new Map(); |
| if (settings.routes.CAPTIONS) { |
| map.set(settings.routes.CAPTIONS.path, '#captions'); |
| } |
| // <if expr="chromeos"> |
| if (settings.routes.MANAGE_ACCESSIBILITY) { |
| map.set( |
| settings.routes.MANAGE_ACCESSIBILITY.path, '#subpage-trigger'); |
| } |
| // </if> |
| return map; |
| }, |
| }, |
| |
| /** |
| * Whether to show the link to caption settings. |
| * @private {boolean} |
| */ |
| showCaptionSettings_: { |
| type: Boolean, |
| value: function() { |
| return loadTimeData.getBoolean('enableCaptionSettings'); |
| }, |
| }, |
| |
| /** |
| * Whether to show OS settings. |
| * @private {boolean} |
| */ |
| showOsSettings_: { |
| type: Boolean, |
| value: function() { |
| return loadTimeData.getBoolean('showOSSettings'); |
| }, |
| }, |
| |
| /** |
| * Whether the caption settings link opens externally. |
| * @private {boolean} |
| */ |
| captionSettingsOpensExternally_: { |
| type: Boolean, |
| value: function() { |
| let opensExternally = false; |
| // <if expr="is_macosx"> |
| opensExternally = true; |
| // </if> |
| |
| // <if expr="is_win"> |
| opensExternally = loadTimeData.getBoolean('isWindows10OrNewer'); |
| // </if> |
| |
| return opensExternally; |
| }, |
| }, |
| |
| // <if expr="chromeos"> |
| /** |
| * Whether to show experimental accessibility features. |
| * Only used in Chrome OS. |
| * @private {boolean} |
| */ |
| showExperimentalFeatures_: { |
| type: Boolean, |
| value: function() { |
| return loadTimeData.getBoolean('showExperimentalA11yFeatures'); |
| }, |
| }, |
| // </if> |
| }, |
| |
| /** @override */ |
| ready: function() { |
| this.addWebUIListener( |
| 'screen-reader-state-changed', |
| this.onScreenReaderStateChanged_.bind(this)); |
| chrome.send('getScreenReaderState'); |
| }, |
| |
| /** |
| * @private |
| * @param {boolean} hasScreenReader Whether a screen reader is enabled. |
| */ |
| onScreenReaderStateChanged_: function(hasScreenReader) { |
| // TODO(katie): Remove showExperimentalA11yLabels flag before launch. |
| this.showAccessibilityLabelsSetting_ = hasScreenReader && |
| loadTimeData.getBoolean('showExperimentalA11yLabels'); |
| }, |
| |
| /** @private */ |
| onToggleAccessibilityImageLabels_: function() { |
| const a11yImageLabelsOn = this.$.a11yImageLabels.checked; |
| if (a11yImageLabelsOn) { |
| chrome.send('confirmA11yImageLabels'); |
| } |
| chrome.metricsPrivate.recordBoolean( |
| 'Accessibility.ImageLabels.FromSettings.ToggleSetting', |
| a11yImageLabelsOn); |
| }, |
| |
| // <if expr="chromeos"> |
| /** @private */ |
| onManageAccessibilityFeaturesTap_: function() { |
| settings.navigateTo(settings.routes.MANAGE_ACCESSIBILITY); |
| }, |
| |
| /** @private */ |
| onManageSystemAccessibilityFeaturesTap_: function() { |
| window.location.href = 'chrome://os-settings/manageAccessibility'; |
| }, |
| // </if> |
| |
| /** private */ |
| onMoreFeaturesLinkClick_: function() { |
| window.open( |
| 'https://chrome.google.com/webstore/category/collection/accessibility'); |
| }, |
| |
| /** @private */ |
| onCaptionsClick_: function() { |
| // Open the system captions dialog for Mac. |
| // <if expr="is_macosx"> |
| settings.CaptionsBrowserProxyImpl.getInstance().openSystemCaptionsDialog(); |
| // </if> |
| |
| // Open the system captions dialog for Windows 10+ or navigate to the |
| // caption settings page for older versions of Windows |
| // <if expr="is_win"> |
| if (loadTimeData.getBoolean('isWindows10OrNewer')) { |
| settings.CaptionsBrowserProxyImpl.getInstance() |
| .openSystemCaptionsDialog(); |
| } else { |
| settings.navigateTo(settings.routes.CAPTIONS); |
| } |
| // </if> |
| |
| // Navigate to the caption settings page for ChromeOS and Linux as they |
| // do not have system caption settings. |
| // <if expr="chromeos or is_linux"> |
| settings.navigateTo(settings.routes.CAPTIONS); |
| // </if> |
| }, |
| }); |