| 1 | /**
|
|---|
| 2 | * @license
|
|---|
| 3 | * Copyright Google LLC All Rights Reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Use of this source code is governed by an MIT-style license that can be
|
|---|
| 6 | * found in the LICENSE file at https://angular.io/license
|
|---|
| 7 | */
|
|---|
| 8 | import { Platform } from '@angular/cdk/platform';
|
|---|
| 9 | import { Injectable } from '@angular/core';
|
|---|
| 10 | import * as i0 from "@angular/core";
|
|---|
| 11 | import * as i1 from "@angular/cdk/platform";
|
|---|
| 12 | /**
|
|---|
| 13 | * Configuration for the isFocusable method.
|
|---|
| 14 | */
|
|---|
| 15 | export class IsFocusableConfig {
|
|---|
| 16 | constructor() {
|
|---|
| 17 | /**
|
|---|
| 18 | * Whether to count an element as focusable even if it is not currently visible.
|
|---|
| 19 | */
|
|---|
| 20 | this.ignoreVisibility = false;
|
|---|
| 21 | }
|
|---|
| 22 | }
|
|---|
| 23 | // The InteractivityChecker leans heavily on the ally.js accessibility utilities.
|
|---|
| 24 | // Methods like `isTabbable` are only covering specific edge-cases for the browsers which are
|
|---|
| 25 | // supported.
|
|---|
| 26 | /**
|
|---|
| 27 | * Utility for checking the interactivity of an element, such as whether is is focusable or
|
|---|
| 28 | * tabbable.
|
|---|
| 29 | */
|
|---|
| 30 | export class InteractivityChecker {
|
|---|
| 31 | constructor(_platform) {
|
|---|
| 32 | this._platform = _platform;
|
|---|
| 33 | }
|
|---|
| 34 | /**
|
|---|
| 35 | * Gets whether an element is disabled.
|
|---|
| 36 | *
|
|---|
| 37 | * @param element Element to be checked.
|
|---|
| 38 | * @returns Whether the element is disabled.
|
|---|
| 39 | */
|
|---|
| 40 | isDisabled(element) {
|
|---|
| 41 | // This does not capture some cases, such as a non-form control with a disabled attribute or
|
|---|
| 42 | // a form control inside of a disabled form, but should capture the most common cases.
|
|---|
| 43 | return element.hasAttribute('disabled');
|
|---|
| 44 | }
|
|---|
| 45 | /**
|
|---|
| 46 | * Gets whether an element is visible for the purposes of interactivity.
|
|---|
| 47 | *
|
|---|
| 48 | * This will capture states like `display: none` and `visibility: hidden`, but not things like
|
|---|
| 49 | * being clipped by an `overflow: hidden` parent or being outside the viewport.
|
|---|
| 50 | *
|
|---|
| 51 | * @returns Whether the element is visible.
|
|---|
| 52 | */
|
|---|
| 53 | isVisible(element) {
|
|---|
| 54 | return hasGeometry(element) && getComputedStyle(element).visibility === 'visible';
|
|---|
| 55 | }
|
|---|
| 56 | /**
|
|---|
| 57 | * Gets whether an element can be reached via Tab key.
|
|---|
| 58 | * Assumes that the element has already been checked with isFocusable.
|
|---|
| 59 | *
|
|---|
| 60 | * @param element Element to be checked.
|
|---|
| 61 | * @returns Whether the element is tabbable.
|
|---|
| 62 | */
|
|---|
| 63 | isTabbable(element) {
|
|---|
| 64 | // Nothing is tabbable on the server 😎
|
|---|
| 65 | if (!this._platform.isBrowser) {
|
|---|
| 66 | return false;
|
|---|
| 67 | }
|
|---|
| 68 | const frameElement = getFrameElement(getWindow(element));
|
|---|
| 69 | if (frameElement) {
|
|---|
| 70 | // Frame elements inherit their tabindex onto all child elements.
|
|---|
| 71 | if (getTabIndexValue(frameElement) === -1) {
|
|---|
| 72 | return false;
|
|---|
| 73 | }
|
|---|
| 74 | // Browsers disable tabbing to an element inside of an invisible frame.
|
|---|
| 75 | if (!this.isVisible(frameElement)) {
|
|---|
| 76 | return false;
|
|---|
| 77 | }
|
|---|
| 78 | }
|
|---|
| 79 | let nodeName = element.nodeName.toLowerCase();
|
|---|
| 80 | let tabIndexValue = getTabIndexValue(element);
|
|---|
| 81 | if (element.hasAttribute('contenteditable')) {
|
|---|
| 82 | return tabIndexValue !== -1;
|
|---|
| 83 | }
|
|---|
| 84 | if (nodeName === 'iframe' || nodeName === 'object') {
|
|---|
| 85 | // The frame or object's content may be tabbable depending on the content, but it's
|
|---|
| 86 | // not possibly to reliably detect the content of the frames. We always consider such
|
|---|
| 87 | // elements as non-tabbable.
|
|---|
| 88 | return false;
|
|---|
| 89 | }
|
|---|
| 90 | // In iOS, the browser only considers some specific elements as tabbable.
|
|---|
| 91 | if (this._platform.WEBKIT && this._platform.IOS && !isPotentiallyTabbableIOS(element)) {
|
|---|
| 92 | return false;
|
|---|
| 93 | }
|
|---|
| 94 | if (nodeName === 'audio') {
|
|---|
| 95 | // Audio elements without controls enabled are never tabbable, regardless
|
|---|
| 96 | // of the tabindex attribute explicitly being set.
|
|---|
| 97 | if (!element.hasAttribute('controls')) {
|
|---|
| 98 | return false;
|
|---|
| 99 | }
|
|---|
| 100 | // Audio elements with controls are by default tabbable unless the
|
|---|
| 101 | // tabindex attribute is set to `-1` explicitly.
|
|---|
| 102 | return tabIndexValue !== -1;
|
|---|
| 103 | }
|
|---|
| 104 | if (nodeName === 'video') {
|
|---|
| 105 | // For all video elements, if the tabindex attribute is set to `-1`, the video
|
|---|
| 106 | // is not tabbable. Note: We cannot rely on the default `HTMLElement.tabIndex`
|
|---|
| 107 | // property as that one is set to `-1` in Chrome, Edge and Safari v13.1. The
|
|---|
| 108 | // tabindex attribute is the source of truth here.
|
|---|
| 109 | if (tabIndexValue === -1) {
|
|---|
| 110 | return false;
|
|---|
| 111 | }
|
|---|
| 112 | // If the tabindex is explicitly set, and not `-1` (as per check before), the
|
|---|
| 113 | // video element is always tabbable (regardless of whether it has controls or not).
|
|---|
| 114 | if (tabIndexValue !== null) {
|
|---|
| 115 | return true;
|
|---|
| 116 | }
|
|---|
| 117 | // Otherwise (when no explicit tabindex is set), a video is only tabbable if it
|
|---|
| 118 | // has controls enabled. Firefox is special as videos are always tabbable regardless
|
|---|
| 119 | // of whether there are controls or not.
|
|---|
| 120 | return this._platform.FIREFOX || element.hasAttribute('controls');
|
|---|
| 121 | }
|
|---|
| 122 | return element.tabIndex >= 0;
|
|---|
| 123 | }
|
|---|
| 124 | /**
|
|---|
| 125 | * Gets whether an element can be focused by the user.
|
|---|
| 126 | *
|
|---|
| 127 | * @param element Element to be checked.
|
|---|
| 128 | * @param config The config object with options to customize this method's behavior
|
|---|
| 129 | * @returns Whether the element is focusable.
|
|---|
| 130 | */
|
|---|
| 131 | isFocusable(element, config) {
|
|---|
| 132 | // Perform checks in order of left to most expensive.
|
|---|
| 133 | // Again, naive approach that does not capture many edge cases and browser quirks.
|
|---|
| 134 | return isPotentiallyFocusable(element) && !this.isDisabled(element) &&
|
|---|
| 135 | ((config === null || config === void 0 ? void 0 : config.ignoreVisibility) || this.isVisible(element));
|
|---|
| 136 | }
|
|---|
| 137 | }
|
|---|
| 138 | InteractivityChecker.ɵprov = i0.ɵɵdefineInjectable({ factory: function InteractivityChecker_Factory() { return new InteractivityChecker(i0.ɵɵinject(i1.Platform)); }, token: InteractivityChecker, providedIn: "root" });
|
|---|
| 139 | InteractivityChecker.decorators = [
|
|---|
| 140 | { type: Injectable, args: [{ providedIn: 'root' },] }
|
|---|
| 141 | ];
|
|---|
| 142 | InteractivityChecker.ctorParameters = () => [
|
|---|
| 143 | { type: Platform }
|
|---|
| 144 | ];
|
|---|
| 145 | /**
|
|---|
| 146 | * Returns the frame element from a window object. Since browsers like MS Edge throw errors if
|
|---|
| 147 | * the frameElement property is being accessed from a different host address, this property
|
|---|
| 148 | * should be accessed carefully.
|
|---|
| 149 | */
|
|---|
| 150 | function getFrameElement(window) {
|
|---|
| 151 | try {
|
|---|
| 152 | return window.frameElement;
|
|---|
| 153 | }
|
|---|
| 154 | catch (_a) {
|
|---|
| 155 | return null;
|
|---|
| 156 | }
|
|---|
| 157 | }
|
|---|
| 158 | /** Checks whether the specified element has any geometry / rectangles. */
|
|---|
| 159 | function hasGeometry(element) {
|
|---|
| 160 | // Use logic from jQuery to check for an invisible element.
|
|---|
| 161 | // See https://github.com/jquery/jquery/blob/master/src/css/hiddenVisibleSelectors.js#L12
|
|---|
| 162 | return !!(element.offsetWidth || element.offsetHeight ||
|
|---|
| 163 | (typeof element.getClientRects === 'function' && element.getClientRects().length));
|
|---|
| 164 | }
|
|---|
| 165 | /** Gets whether an element's */
|
|---|
| 166 | function isNativeFormElement(element) {
|
|---|
| 167 | let nodeName = element.nodeName.toLowerCase();
|
|---|
| 168 | return nodeName === 'input' ||
|
|---|
| 169 | nodeName === 'select' ||
|
|---|
| 170 | nodeName === 'button' ||
|
|---|
| 171 | nodeName === 'textarea';
|
|---|
| 172 | }
|
|---|
| 173 | /** Gets whether an element is an `<input type="hidden">`. */
|
|---|
| 174 | function isHiddenInput(element) {
|
|---|
| 175 | return isInputElement(element) && element.type == 'hidden';
|
|---|
| 176 | }
|
|---|
| 177 | /** Gets whether an element is an anchor that has an href attribute. */
|
|---|
| 178 | function isAnchorWithHref(element) {
|
|---|
| 179 | return isAnchorElement(element) && element.hasAttribute('href');
|
|---|
| 180 | }
|
|---|
| 181 | /** Gets whether an element is an input element. */
|
|---|
| 182 | function isInputElement(element) {
|
|---|
| 183 | return element.nodeName.toLowerCase() == 'input';
|
|---|
| 184 | }
|
|---|
| 185 | /** Gets whether an element is an anchor element. */
|
|---|
| 186 | function isAnchorElement(element) {
|
|---|
| 187 | return element.nodeName.toLowerCase() == 'a';
|
|---|
| 188 | }
|
|---|
| 189 | /** Gets whether an element has a valid tabindex. */
|
|---|
| 190 | function hasValidTabIndex(element) {
|
|---|
| 191 | if (!element.hasAttribute('tabindex') || element.tabIndex === undefined) {
|
|---|
| 192 | return false;
|
|---|
| 193 | }
|
|---|
| 194 | let tabIndex = element.getAttribute('tabindex');
|
|---|
| 195 | // IE11 parses tabindex="" as the value "-32768"
|
|---|
| 196 | if (tabIndex == '-32768') {
|
|---|
| 197 | return false;
|
|---|
| 198 | }
|
|---|
| 199 | return !!(tabIndex && !isNaN(parseInt(tabIndex, 10)));
|
|---|
| 200 | }
|
|---|
| 201 | /**
|
|---|
| 202 | * Returns the parsed tabindex from the element attributes instead of returning the
|
|---|
| 203 | * evaluated tabindex from the browsers defaults.
|
|---|
| 204 | */
|
|---|
| 205 | function getTabIndexValue(element) {
|
|---|
| 206 | if (!hasValidTabIndex(element)) {
|
|---|
| 207 | return null;
|
|---|
| 208 | }
|
|---|
| 209 | // See browser issue in Gecko https://bugzilla.mozilla.org/show_bug.cgi?id=1128054
|
|---|
| 210 | const tabIndex = parseInt(element.getAttribute('tabindex') || '', 10);
|
|---|
| 211 | return isNaN(tabIndex) ? -1 : tabIndex;
|
|---|
| 212 | }
|
|---|
| 213 | /** Checks whether the specified element is potentially tabbable on iOS */
|
|---|
| 214 | function isPotentiallyTabbableIOS(element) {
|
|---|
| 215 | let nodeName = element.nodeName.toLowerCase();
|
|---|
| 216 | let inputType = nodeName === 'input' && element.type;
|
|---|
| 217 | return inputType === 'text'
|
|---|
| 218 | || inputType === 'password'
|
|---|
| 219 | || nodeName === 'select'
|
|---|
| 220 | || nodeName === 'textarea';
|
|---|
| 221 | }
|
|---|
| 222 | /**
|
|---|
| 223 | * Gets whether an element is potentially focusable without taking current visible/disabled state
|
|---|
| 224 | * into account.
|
|---|
| 225 | */
|
|---|
| 226 | function isPotentiallyFocusable(element) {
|
|---|
| 227 | // Inputs are potentially focusable *unless* they're type="hidden".
|
|---|
| 228 | if (isHiddenInput(element)) {
|
|---|
| 229 | return false;
|
|---|
| 230 | }
|
|---|
| 231 | return isNativeFormElement(element) ||
|
|---|
| 232 | isAnchorWithHref(element) ||
|
|---|
| 233 | element.hasAttribute('contenteditable') ||
|
|---|
| 234 | hasValidTabIndex(element);
|
|---|
| 235 | }
|
|---|
| 236 | /** Gets the parent window of a DOM node with regards of being inside of an iframe. */
|
|---|
| 237 | function getWindow(node) {
|
|---|
| 238 | // ownerDocument is null if `node` itself *is* a document.
|
|---|
| 239 | return node.ownerDocument && node.ownerDocument.defaultView || window;
|
|---|
| 240 | }
|
|---|
| 241 | //# 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"]} |
|---|
