You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
241 lines
28 KiB
241 lines
28 KiB
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
import { Platform } from '@angular/cdk/platform';
|
|
import { Injectable } from '@angular/core';
|
|
import * as i0 from "@angular/core";
|
|
import * as i1 from "@angular/cdk/platform";
|
|
/**
|
|
* Configuration for the isFocusable method.
|
|
*/
|
|
export class IsFocusableConfig {
|
|
constructor() {
|
|
/**
|
|
* Whether to count an element as focusable even if it is not currently visible.
|
|
*/
|
|
this.ignoreVisibility = false;
|
|
}
|
|
}
|
|
// The InteractivityChecker leans heavily on the ally.js accessibility utilities.
|
|
// Methods like `isTabbable` are only covering specific edge-cases for the browsers which are
|
|
// supported.
|
|
/**
|
|
* Utility for checking the interactivity of an element, such as whether is is focusable or
|
|
* tabbable.
|
|
*/
|
|
export class InteractivityChecker {
|
|
constructor(_platform) {
|
|
this._platform = _platform;
|
|
}
|
|
/**
|
|
* Gets whether an element is disabled.
|
|
*
|
|
* @param element Element to be checked.
|
|
* @returns Whether the element is disabled.
|
|
*/
|
|
isDisabled(element) {
|
|
// This does not capture some cases, such as a non-form control with a disabled attribute or
|
|
// a form control inside of a disabled form, but should capture the most common cases.
|
|
return element.hasAttribute('disabled');
|
|
}
|
|
/**
|
|
* Gets whether an element is visible for the purposes of interactivity.
|
|
*
|
|
* This will capture states like `display: none` and `visibility: hidden`, but not things like
|
|
* being clipped by an `overflow: hidden` parent or being outside the viewport.
|
|
*
|
|
* @returns Whether the element is visible.
|
|
*/
|
|
isVisible(element) {
|
|
return hasGeometry(element) && getComputedStyle(element).visibility === 'visible';
|
|
}
|
|
/**
|
|
* Gets whether an element can be reached via Tab key.
|
|
* Assumes that the element has already been checked with isFocusable.
|
|
*
|
|
* @param element Element to be checked.
|
|
* @returns Whether the element is tabbable.
|
|
*/
|
|
isTabbable(element) {
|
|
// Nothing is tabbable on the server 😎
|
|
if (!this._platform.isBrowser) {
|
|
return false;
|
|
}
|
|
const frameElement = getFrameElement(getWindow(element));
|
|
if (frameElement) {
|
|
// Frame elements inherit their tabindex onto all child elements.
|
|
if (getTabIndexValue(frameElement) === -1) {
|
|
return false;
|
|
}
|
|
// Browsers disable tabbing to an element inside of an invisible frame.
|
|
if (!this.isVisible(frameElement)) {
|
|
return false;
|
|
}
|
|
}
|
|
let nodeName = element.nodeName.toLowerCase();
|
|
let tabIndexValue = getTabIndexValue(element);
|
|
if (element.hasAttribute('contenteditable')) {
|
|
return tabIndexValue !== -1;
|
|
}
|
|
if (nodeName === 'iframe' || nodeName === 'object') {
|
|
// The frame or object's content may be tabbable depending on the content, but it's
|
|
// not possibly to reliably detect the content of the frames. We always consider such
|
|
// elements as non-tabbable.
|
|
return false;
|
|
}
|
|
// In iOS, the browser only considers some specific elements as tabbable.
|
|
if (this._platform.WEBKIT && this._platform.IOS && !isPotentiallyTabbableIOS(element)) {
|
|
return false;
|
|
}
|
|
if (nodeName === 'audio') {
|
|
// Audio elements without controls enabled are never tabbable, regardless
|
|
// of the tabindex attribute explicitly being set.
|
|
if (!element.hasAttribute('controls')) {
|
|
return false;
|
|
}
|
|
// Audio elements with controls are by default tabbable unless the
|
|
// tabindex attribute is set to `-1` explicitly.
|
|
return tabIndexValue !== -1;
|
|
}
|
|
if (nodeName === 'video') {
|
|
// For all video elements, if the tabindex attribute is set to `-1`, the video
|
|
// is not tabbable. Note: We cannot rely on the default `HTMLElement.tabIndex`
|
|
// property as that one is set to `-1` in Chrome, Edge and Safari v13.1. The
|
|
// tabindex attribute is the source of truth here.
|
|
if (tabIndexValue === -1) {
|
|
return false;
|
|
}
|
|
// If the tabindex is explicitly set, and not `-1` (as per check before), the
|
|
// video element is always tabbable (regardless of whether it has controls or not).
|
|
if (tabIndexValue !== null) {
|
|
return true;
|
|
}
|
|
// Otherwise (when no explicit tabindex is set), a video is only tabbable if it
|
|
// has controls enabled. Firefox is special as videos are always tabbable regardless
|
|
// of whether there are controls or not.
|
|
return this._platform.FIREFOX || element.hasAttribute('controls');
|
|
}
|
|
return element.tabIndex >= 0;
|
|
}
|
|
/**
|
|
* Gets whether an element can be focused by the user.
|
|
*
|
|
* @param element Element to be checked.
|
|
* @param config The config object with options to customize this method's behavior
|
|
* @returns Whether the element is focusable.
|
|
*/
|
|
isFocusable(element, config) {
|
|
// Perform checks in order of left to most expensive.
|
|
// Again, naive approach that does not capture many edge cases and browser quirks.
|
|
return isPotentiallyFocusable(element) && !this.isDisabled(element) &&
|
|
((config === null || config === void 0 ? void 0 : config.ignoreVisibility) || this.isVisible(element));
|
|
}
|
|
}
|
|
InteractivityChecker.ɵprov = i0.ɵɵdefineInjectable({ factory: function InteractivityChecker_Factory() { return new InteractivityChecker(i0.ɵɵinject(i1.Platform)); }, token: InteractivityChecker, providedIn: "root" });
|
|
InteractivityChecker.decorators = [
|
|
{ type: Injectable, args: [{ providedIn: 'root' },] }
|
|
];
|
|
InteractivityChecker.ctorParameters = () => [
|
|
{ type: Platform }
|
|
];
|
|
/**
|
|
* Returns the frame element from a window object. Since browsers like MS Edge throw errors if
|
|
* the frameElement property is being accessed from a different host address, this property
|
|
* should be accessed carefully.
|
|
*/
|
|
function getFrameElement(window) {
|
|
try {
|
|
return window.frameElement;
|
|
}
|
|
catch (_a) {
|
|
return null;
|
|
}
|
|
}
|
|
/** Checks whether the specified element has any geometry / rectangles. */
|
|
function hasGeometry(element) {
|
|
// Use logic from jQuery to check for an invisible element.
|
|
// See https://github.com/jquery/jquery/blob/master/src/css/hiddenVisibleSelectors.js#L12
|
|
return !!(element.offsetWidth || element.offsetHeight ||
|
|
(typeof element.getClientRects === 'function' && element.getClientRects().length));
|
|
}
|
|
/** Gets whether an element's */
|
|
function isNativeFormElement(element) {
|
|
let nodeName = element.nodeName.toLowerCase();
|
|
return nodeName === 'input' ||
|
|
nodeName === 'select' ||
|
|
nodeName === 'button' ||
|
|
nodeName === 'textarea';
|
|
}
|
|
/** Gets whether an element is an `<input type="hidden">`. */
|
|
function isHiddenInput(element) {
|
|
return isInputElement(element) && element.type == 'hidden';
|
|
}
|
|
/** Gets whether an element is an anchor that has an href attribute. */
|
|
function isAnchorWithHref(element) {
|
|
return isAnchorElement(element) && element.hasAttribute('href');
|
|
}
|
|
/** Gets whether an element is an input element. */
|
|
function isInputElement(element) {
|
|
return element.nodeName.toLowerCase() == 'input';
|
|
}
|
|
/** Gets whether an element is an anchor element. */
|
|
function isAnchorElement(element) {
|
|
return element.nodeName.toLowerCase() == 'a';
|
|
}
|
|
/** Gets whether an element has a valid tabindex. */
|
|
function hasValidTabIndex(element) {
|
|
if (!element.hasAttribute('tabindex') || element.tabIndex === undefined) {
|
|
return false;
|
|
}
|
|
let tabIndex = element.getAttribute('tabindex');
|
|
// IE11 parses tabindex="" as the value "-32768"
|
|
if (tabIndex == '-32768') {
|
|
return false;
|
|
}
|
|
return !!(tabIndex && !isNaN(parseInt(tabIndex, 10)));
|
|
}
|
|
/**
|
|
* Returns the parsed tabindex from the element attributes instead of returning the
|
|
* evaluated tabindex from the browsers defaults.
|
|
*/
|
|
function getTabIndexValue(element) {
|
|
if (!hasValidTabIndex(element)) {
|
|
return null;
|
|
}
|
|
// See browser issue in Gecko https://bugzilla.mozilla.org/show_bug.cgi?id=1128054
|
|
const tabIndex = parseInt(element.getAttribute('tabindex') || '', 10);
|
|
return isNaN(tabIndex) ? -1 : tabIndex;
|
|
}
|
|
/** Checks whether the specified element is potentially tabbable on iOS */
|
|
function isPotentiallyTabbableIOS(element) {
|
|
let nodeName = element.nodeName.toLowerCase();
|
|
let inputType = nodeName === 'input' && element.type;
|
|
return inputType === 'text'
|
|
|| inputType === 'password'
|
|
|| nodeName === 'select'
|
|
|| nodeName === 'textarea';
|
|
}
|
|
/**
|
|
* Gets whether an element is potentially focusable without taking current visible/disabled state
|
|
* into account.
|
|
*/
|
|
function isPotentiallyFocusable(element) {
|
|
// Inputs are potentially focusable *unless* they're type="hidden".
|
|
if (isHiddenInput(element)) {
|
|
return false;
|
|
}
|
|
return isNativeFormElement(element) ||
|
|
isAnchorWithHref(element) ||
|
|
element.hasAttribute('contenteditable') ||
|
|
hasValidTabIndex(element);
|
|
}
|
|
/** Gets the parent window of a DOM node with regards of being inside of an iframe. */
|
|
function getWindow(node) {
|
|
// ownerDocument is null if `node` itself *is* a document.
|
|
return node.ownerDocument && node.ownerDocument.defaultView || window;
|
|
}
|
|
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"interactivity-checker.js","sourceRoot":"","sources":["../../../../../../../src/cdk/a11y/interactivity-checker/interactivity-checker.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,QAAQ,EAAC,MAAM,uBAAuB,CAAC;AAC/C,OAAO,EAAC,UAAU,EAAC,MAAM,eAAe,CAAC;;;AAEzC;;GAEG;AACH,MAAM,OAAO,iBAAiB;IAA9B;QACE;;WAEG;QACH,qBAAgB,GAAY,KAAK,CAAC;IACpC,CAAC;CAAA;AAED,iFAAiF;AACjF,6FAA6F;AAC7F,aAAa;AAEb;;;GAGG;AAEH,MAAM,OAAO,oBAAoB;IAE/B,YAAoB,SAAmB;QAAnB,cAAS,GAAT,SAAS,CAAU;IAAG,CAAC;IAE3C;;;;;OAKG;IACH,UAAU,CAAC,OAAoB;QAC7B,4FAA4F;QAC5F,sFAAsF;QACtF,OAAO,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,CAAC;IAC1C,CAAC;IAED;;;;;;;OAOG;IACH,SAAS,CAAC,OAAoB;QAC5B,OAAO,WAAW,CAAC,OAAO,CAAC,IAAI,gBAAgB,CAAC,OAAO,CAAC,CAAC,UAAU,KAAK,SAAS,CAAC;IACpF,CAAC;IAED;;;;;;OAMG;IACH,UAAU,CAAC,OAAoB;QAC7B,uCAAuC;QACvC,IAAI,CAAC,IAAI,CAAC,SAAS,CAAC,SAAS,EAAE;YAC7B,OAAO,KAAK,CAAC;SACd;QAED,MAAM,YAAY,GAAG,eAAe,CAAC,SAAS,CAAC,OAAO,CAAC,CAAC,CAAC;QAEzD,IAAI,YAAY,EAAE;YAChB,iEAAiE;YACjE,IAAI,gBAAgB,CAAC,YAAY,CAAC,KAAK,CAAC,CAAC,EAAE;gBACzC,OAAO,KAAK,CAAC;aACd;YAED,uEAAuE;YACvE,IAAI,CAAC,IAAI,CAAC,SAAS,CAAC,YAAY,CAAC,EAAE;gBACjC,OAAO,KAAK,CAAC;aACd;SACF;QAED,IAAI,QAAQ,GAAG,OAAO,CAAC,QAAQ,CAAC,WAAW,EAAE,CAAC;QAC9C,IAAI,aAAa,GAAG,gBAAgB,CAAC,OAAO,CAAC,CAAC;QAE9C,IAAI,OAAO,CAAC,YAAY,CAAC,iBAAiB,CAAC,EAAE;YAC3C,OAAO,aAAa,KAAK,CAAC,CAAC,CAAC;SAC7B;QAED,IAAI,QAAQ,KAAK,QAAQ,IAAI,QAAQ,KAAK,QAAQ,EAAE;YAClD,mFAAmF;YACnF,qFAAqF;YACrF,4BAA4B;YAC5B,OAAO,KAAK,CAAC;SACd;QAED,yEAAyE;QACzE,IAAI,IAAI,CAAC,SAAS,CAAC,MAAM,IAAI,IAAI,CAAC,SAAS,CAAC,GAAG,IAAI,CAAC,wBAAwB,CAAC,OAAO,CAAC,EAAE;YACrF,OAAO,KAAK,CAAC;SACd;QAED,IAAI,QAAQ,KAAK,OAAO,EAAE;YACxB,yEAAyE;YACzE,kDAAkD;YAClD,IAAI,CAAC,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,EAAE;gBACrC,OAAO,KAAK,CAAC;aACd;YACD,kEAAkE;YAClE,gDAAgD;YAChD,OAAO,aAAa,KAAK,CAAC,CAAC,CAAC;SAC7B;QAED,IAAI,QAAQ,KAAK,OAAO,EAAE;YACxB,8EAA8E;YAC9E,8EAA8E;YAC9E,4EAA4E;YAC5E,kDAAkD;YAClD,IAAI,aAAa,KAAK,CAAC,CAAC,EAAE;gBACxB,OAAO,KAAK,CAAC;aACd;YACD,6EAA6E;YAC7E,mFAAmF;YACnF,IAAI,aAAa,KAAK,IAAI,EAAE;gBAC1B,OAAO,IAAI,CAAC;aACb;YACD,+EAA+E;YAC/E,oFAAoF;YACpF,wCAAwC;YACxC,OAAO,IAAI,CAAC,SAAS,CAAC,OAAO,IAAI,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,CAAC;SACnE;QAED,OAAO,OAAO,CAAC,QAAQ,IAAI,CAAC,CAAC;IAC/B,CAAC;IAED;;;;;;OAMG;IACH,WAAW,CAAC,OAAoB,EAAE,MAA0B;QAC1D,qDAAqD;QACrD,kFAAkF;QAClF,OAAO,sBAAsB,CAAC,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,UAAU,CAAC,OAAO,CAAC;YACjE,CAAC,CAAA,MAAM,aAAN,MAAM,uBAAN,MAAM,CAAE,gBAAgB,KAAI,IAAI,CAAC,SAAS,CAAC,OAAO,CAAC,CAAC,CAAC;IAC1D,CAAC;;;;YAxHF,UAAU,SAAC,EAAC,UAAU,EAAE,MAAM,EAAC;;;YArBxB,QAAQ;;AAiJhB;;;;GAIG;AACH,SAAS,eAAe,CAAC,MAAc;IACrC,IAAI;QACF,OAAO,MAAM,CAAC,YAA2B,CAAC;KAC3C;IAAC,WAAM;QACN,OAAO,IAAI,CAAC;KACb;AACH,CAAC;AAED,0EAA0E;AAC1E,SAAS,WAAW,CAAC,OAAoB;IACvC,2DAA2D;IAC3D,yFAAyF;IACzF,OAAO,CAAC,CAAC,CAAC,OAAO,CAAC,WAAW,IAAI,OAAO,CAAC,YAAY;QACjD,CAAC,OAAO,OAAO,CAAC,cAAc,KAAK,UAAU,IAAI,OAAO,CAAC,cAAc,EAAE,CAAC,MAAM,CAAC,CAAC,CAAC;AACzF,CAAC;AAED,iCAAiC;AACjC,SAAS,mBAAmB,CAAC,OAAa;IACxC,IAAI,QAAQ,GAAG,OAAO,CAAC,QAAQ,CAAC,WAAW,EAAE,CAAC;IAC9C,OAAO,QAAQ,KAAK,OAAO;QACvB,QAAQ,KAAK,QAAQ;QACrB,QAAQ,KAAK,QAAQ;QACrB,QAAQ,KAAK,UAAU,CAAC;AAC9B,CAAC;AAED,6DAA6D;AAC7D,SAAS,aAAa,CAAC,OAAoB;IACzC,OAAO,cAAc,CAAC,OAAO,CAAC,IAAI,OAAO,CAAC,IAAI,IAAI,QAAQ,CAAC;AAC7D,CAAC;AAED,uEAAuE;AACvE,SAAS,gBAAgB,CAAC,OAAoB;IAC5C,OAAO,eAAe,CAAC,OAAO,CAAC,IAAI,OAAO,CAAC,YAAY,CAAC,MAAM,CAAC,CAAC;AAClE,CAAC;AAED,mDAAmD;AACnD,SAAS,cAAc,CAAC,OAAoB;IAC1C,OAAO,OAAO,CAAC,QAAQ,CAAC,WAAW,EAAE,IAAI,OAAO,CAAC;AACnD,CAAC;AAED,oDAAoD;AACpD,SAAS,eAAe,CAAC,OAAoB;IAC3C,OAAO,OAAO,CAAC,QAAQ,CAAC,WAAW,EAAE,IAAI,GAAG,CAAC;AAC/C,CAAC;AAED,oDAAoD;AACpD,SAAS,gBAAgB,CAAC,OAAoB;IAC5C,IAAI,CAAC,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,IAAI,OAAO,CAAC,QAAQ,KAAK,SAAS,EAAE;QACvE,OAAO,KAAK,CAAC;KACd;IAED,IAAI,QAAQ,GAAG,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,CAAC;IAEhD,gDAAgD;IAChD,IAAI,QAAQ,IAAI,QAAQ,EAAE;QACxB,OAAO,KAAK,CAAC;KACd;IAED,OAAO,CAAC,CAAC,CAAC,QAAQ,IAAI,CAAC,KAAK,CAAC,QAAQ,CAAC,QAAQ,EAAE,EAAE,CAAC,CAAC,CAAC,CAAC;AACxD,CAAC;AAED;;;GAGG;AACH,SAAS,gBAAgB,CAAC,OAAoB;IAC5C,IAAI,CAAC,gBAAgB,CAAC,OAAO,CAAC,EAAE;QAC9B,OAAO,IAAI,CAAC;KACb;IAED,kFAAkF;IAClF,MAAM,QAAQ,GAAG,QAAQ,CAAC,OAAO,CAAC,YAAY,CAAC,UAAU,CAAC,IAAI,EAAE,EAAE,EAAE,CAAC,CAAC;IAEtE,OAAO,KAAK,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC;AACzC,CAAC;AAED,0EAA0E;AAC1E,SAAS,wBAAwB,CAAC,OAAoB;IACpD,IAAI,QAAQ,GAAG,OAAO,CAAC,QAAQ,CAAC,WAAW,EAAE,CAAC;IAC9C,IAAI,SAAS,GAAG,QAAQ,KAAK,OAAO,IAAK,OAA4B,CAAC,IAAI,CAAC;IAE3E,OAAO,SAAS,KAAK,MAAM;WACpB,SAAS,KAAK,UAAU;WACxB,QAAQ,KAAK,QAAQ;WACrB,QAAQ,KAAK,UAAU,CAAC;AACjC,CAAC;AAED;;;GAGG;AACH,SAAS,sBAAsB,CAAC,OAAoB;IAClD,mEAAmE;IACnE,IAAI,aAAa,CAAC,OAAO,CAAC,EAAE;QAC1B,OAAO,KAAK,CAAC;KACd;IAED,OAAO,mBAAmB,CAAC,OAAO,CAAC;QAC/B,gBAAgB,CAAC,OAAO,CAAC;QACzB,OAAO,CAAC,YAAY,CAAC,iBAAiB,CAAC;QACvC,gBAAgB,CAAC,OAAO,CAAC,CAAC;AAChC,CAAC;AAED,sFAAsF;AACtF,SAAS,SAAS,CAAC,IAAiB;IAClC,0DAA0D;IAC1D,OAAO,IAAI,CAAC,aAAa,IAAI,IAAI,CAAC,aAAa,CAAC,WAAW,IAAI,MAAM,CAAC;AACxE,CAAC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Platform} from '@angular/cdk/platform';\nimport {Injectable} from '@angular/core';\n\n/**\n * Configuration for the isFocusable method.\n */\nexport class IsFocusableConfig {\n  /**\n   * Whether to count an element as focusable even if it is not currently visible.\n   */\n  ignoreVisibility: boolean = false;\n}\n\n// The InteractivityChecker leans heavily on the ally.js accessibility utilities.\n// Methods like `isTabbable` are only covering specific edge-cases for the browsers which are\n// supported.\n\n/**\n * Utility for checking the interactivity of an element, such as whether is is focusable or\n * tabbable.\n */\n@Injectable({providedIn: 'root'})\nexport class InteractivityChecker {\n\n  constructor(private _platform: Platform) {}\n\n  /**\n   * Gets whether an element is disabled.\n   *\n   * @param element Element to be checked.\n   * @returns Whether the element is disabled.\n   */\n  isDisabled(element: HTMLElement): boolean {\n    // This does not capture some cases, such as a non-form control with a disabled attribute or\n    // a form control inside of a disabled form, but should capture the most common cases.\n    return element.hasAttribute('disabled');\n  }\n\n  /**\n   * Gets whether an element is visible for the purposes of interactivity.\n   *\n   * This will capture states like `display: none` and `visibility: hidden`, but not things like\n   * being clipped by an `overflow: hidden` parent or being outside the viewport.\n   *\n   * @returns Whether the element is visible.\n   */\n  isVisible(element: HTMLElement): boolean {\n    return hasGeometry(element) && getComputedStyle(element).visibility === 'visible';\n  }\n\n  /**\n   * Gets whether an element can be reached via Tab key.\n   * Assumes that the element has already been checked with isFocusable.\n   *\n   * @param element Element to be checked.\n   * @returns Whether the element is tabbable.\n   */\n  isTabbable(element: HTMLElement): boolean {\n    // Nothing is tabbable on the server 😎\n    if (!this._platform.isBrowser) {\n      return false;\n    }\n\n    const frameElement = getFrameElement(getWindow(element));\n\n    if (frameElement) {\n      // Frame elements inherit their tabindex onto all child elements.\n      if (getTabIndexValue(frameElement) === -1) {\n        return false;\n      }\n\n      // Browsers disable tabbing to an element inside of an invisible frame.\n      if (!this.isVisible(frameElement)) {\n        return false;\n      }\n    }\n\n    let nodeName = element.nodeName.toLowerCase();\n    let tabIndexValue = getTabIndexValue(element);\n\n    if (element.hasAttribute('contenteditable')) {\n      return tabIndexValue !== -1;\n    }\n\n    if (nodeName === 'iframe' || nodeName === 'object') {\n      // The frame or object's content may be tabbable depending on the content, but it's\n      // not possibly to reliably detect the content of the frames. We always consider such\n      // elements as non-tabbable.\n      return false;\n    }\n\n    // In iOS, the browser only considers some specific elements as tabbable.\n    if (this._platform.WEBKIT && this._platform.IOS && !isPotentiallyTabbableIOS(element)) {\n      return false;\n    }\n\n    if (nodeName === 'audio') {\n      // Audio elements without controls enabled are never tabbable, regardless\n      // of the tabindex attribute explicitly being set.\n      if (!element.hasAttribute('controls')) {\n        return false;\n      }\n      // Audio elements with controls are by default tabbable unless the\n      // tabindex attribute is set to `-1` explicitly.\n      return tabIndexValue !== -1;\n    }\n\n    if (nodeName === 'video') {\n      // For all video elements, if the tabindex attribute is set to `-1`, the video\n      // is not tabbable. Note: We cannot rely on the default `HTMLElement.tabIndex`\n      // property as that one is set to `-1` in Chrome, Edge and Safari v13.1. The\n      // tabindex attribute is the source of truth here.\n      if (tabIndexValue === -1) {\n        return false;\n      }\n      // If the tabindex is explicitly set, and not `-1` (as per check before), the\n      // video element is always tabbable (regardless of whether it has controls or not).\n      if (tabIndexValue !== null) {\n        return true;\n      }\n      // Otherwise (when no explicit tabindex is set), a video is only tabbable if it\n      // has controls enabled. Firefox is special as videos are always tabbable regardless\n      // of whether there are controls or not.\n      return this._platform.FIREFOX || element.hasAttribute('controls');\n    }\n\n    return element.tabIndex >= 0;\n  }\n\n  /**\n   * Gets whether an element can be focused by the user.\n   *\n   * @param element Element to be checked.\n   * @param config The config object with options to customize this method's behavior\n   * @returns Whether the element is focusable.\n   */\n  isFocusable(element: HTMLElement, config?: IsFocusableConfig): boolean {\n    // Perform checks in order of left to most expensive.\n    // Again, naive approach that does not capture many edge cases and browser quirks.\n    return isPotentiallyFocusable(element) && !this.isDisabled(element) &&\n      (config?.ignoreVisibility || this.isVisible(element));\n  }\n\n}\n\n/**\n * Returns the frame element from a window object. Since browsers like MS Edge throw errors if\n * the frameElement property is being accessed from a different host address, this property\n * should be accessed carefully.\n */\nfunction getFrameElement(window: Window) {\n  try {\n    return window.frameElement as HTMLElement;\n  } catch {\n    return null;\n  }\n}\n\n/** Checks whether the specified element has any geometry / rectangles. */\nfunction hasGeometry(element: HTMLElement): boolean {\n  // Use logic from jQuery to check for an invisible element.\n  // See https://github.com/jquery/jquery/blob/master/src/css/hiddenVisibleSelectors.js#L12\n  return !!(element.offsetWidth || element.offsetHeight ||\n      (typeof element.getClientRects === 'function' && element.getClientRects().length));\n}\n\n/** Gets whether an element's  */\nfunction isNativeFormElement(element: Node) {\n  let nodeName = element.nodeName.toLowerCase();\n  return nodeName === 'input' ||\n      nodeName === 'select' ||\n      nodeName === 'button' ||\n      nodeName === 'textarea';\n}\n\n/** Gets whether an element is an `<input type=\"hidden\">`. */\nfunction isHiddenInput(element: HTMLElement): boolean {\n  return isInputElement(element) && element.type == 'hidden';\n}\n\n/** Gets whether an element is an anchor that has an href attribute. */\nfunction isAnchorWithHref(element: HTMLElement): boolean {\n  return isAnchorElement(element) && element.hasAttribute('href');\n}\n\n/** Gets whether an element is an input element. */\nfunction isInputElement(element: HTMLElement): element is HTMLInputElement {\n  return element.nodeName.toLowerCase() == 'input';\n}\n\n/** Gets whether an element is an anchor element. */\nfunction isAnchorElement(element: HTMLElement): element is HTMLAnchorElement {\n  return element.nodeName.toLowerCase() == 'a';\n}\n\n/** Gets whether an element has a valid tabindex. */\nfunction hasValidTabIndex(element: HTMLElement): boolean {\n  if (!element.hasAttribute('tabindex') || element.tabIndex === undefined) {\n    return false;\n  }\n\n  let tabIndex = element.getAttribute('tabindex');\n\n  // IE11 parses tabindex=\"\" as the value \"-32768\"\n  if (tabIndex == '-32768') {\n    return false;\n  }\n\n  return !!(tabIndex && !isNaN(parseInt(tabIndex, 10)));\n}\n\n/**\n * Returns the parsed tabindex from the element attributes instead of returning the\n * evaluated tabindex from the browsers defaults.\n */\nfunction getTabIndexValue(element: HTMLElement): number | null {\n  if (!hasValidTabIndex(element)) {\n    return null;\n  }\n\n  // See browser issue in Gecko https://bugzilla.mozilla.org/show_bug.cgi?id=1128054\n  const tabIndex = parseInt(element.getAttribute('tabindex') || '', 10);\n\n  return isNaN(tabIndex) ? -1 : tabIndex;\n}\n\n/** Checks whether the specified element is potentially tabbable on iOS */\nfunction isPotentiallyTabbableIOS(element: HTMLElement): boolean {\n  let nodeName = element.nodeName.toLowerCase();\n  let inputType = nodeName === 'input' && (element as HTMLInputElement).type;\n\n  return inputType === 'text'\n      || inputType === 'password'\n      || nodeName === 'select'\n      || nodeName === 'textarea';\n}\n\n/**\n * Gets whether an element is potentially focusable without taking current visible/disabled state\n * into account.\n */\nfunction isPotentiallyFocusable(element: HTMLElement): boolean {\n  // Inputs are potentially focusable *unless* they're type=\"hidden\".\n  if (isHiddenInput(element)) {\n    return false;\n  }\n\n  return isNativeFormElement(element) ||\n      isAnchorWithHref(element) ||\n      element.hasAttribute('contenteditable') ||\n      hasValidTabIndex(element);\n}\n\n/** Gets the parent window of a DOM node with regards of being inside of an iframe. */\nfunction getWindow(node: HTMLElement): Window {\n  // ownerDocument is null if `node` itself *is* a document.\n  return node.ownerDocument && node.ownerDocument.defaultView || window;\n}\n"]}
|