/*
* Copyright 2013 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Generated from http://github.com/GoogleChrome/accessibility-developer-tools/tree/2f50bfddc20fb2b4e08e4106ac0f97ac892b31f1
*
* See project README for build steps.
*/
// AUTO-GENERATED CONTENT BELOW: DO NOT EDIT! See above for details.
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var axs = {};
axs.browserUtils = {};
axs.browserUtils.matchSelector = function(a, b) {
return a.webkitMatchesSelector ? a.webkitMatchesSelector(b) : a.mozMatchesSelector ? a.mozMatchesSelector(b) : !1
};
axs.constants = {};
axs.constants.ARIA_ROLES = {alert:{namefrom:["author"], parent:["region"]}, alertdialog:{namefrom:["author"], namerequired:!0, parent:["alert", "dialog"]}, application:{namefrom:["author"], namerequired:!0, parent:["landmark"]}, article:{namefrom:["author"], parent:["document", "region"]}, banner:{namefrom:["author"], parent:["landmark"]}, button:{childpresentational:!0, namefrom:["contents", "author"], namerequired:!0, parent:["command"], properties:["aria-expanded", "aria-pressed"]}, checkbox:{namefrom:["contents",
"author"], namerequired:!0, parent:["input"], requiredProperties:["aria-checked"], properties:["aria-checked"]}, columnheader:{namefrom:["contents", "author"], namerequired:!0, parent:["gridcell", "sectionhead", "widget"], properties:["aria-sort"]}, combobox:{mustcontain:["listbox", "textbox"], namefrom:["author"], namerequired:!0, parent:["select"], requiredProperties:["aria-expanded"], properties:["aria-expanded", "aria-autocomplete", "aria-required"]}, command:{"abstract":!0, namefrom:["author"],
parent:["widget"]}, complementary:{namefrom:["author"], parent:["landmark"]}, composite:{"abstract":!0, childpresentational:!1, namefrom:["author"], parent:["widget"], properties:["aria-activedescendant"]}, contentinfo:{namefrom:["author"], parent:["landmark"]}, definition:{namefrom:["author"], parent:["section"]}, dialog:{namefrom:["author"], namerequired:!0, parent:["window"]}, directory:{namefrom:["contents", "author"], parent:["list"]}, document:{namefrom:[" author"], namerequired:!0, parent:["structure"],
properties:["aria-expanded"]}, form:{namefrom:["author"], parent:["landmark"]}, grid:{mustcontain:["row", "rowgroup"], namefrom:["author"], namerequired:!0, parent:["composite", "region"], properties:["aria-level", "aria-multiselectable", "aria-readonly"]}, gridcell:{namefrom:["contents", "author"], namerequired:!0, parent:["section", "widget"], properties:["aria-readonly", "aria-required", "aria-selected"]}, group:{namefrom:[" author"], parent:["section"], properties:["aria-activedescendant"]},
heading:{namerequired:!0, parent:["sectionhead"], properties:["aria-level"]}, img:{childpresentational:!0, namefrom:["author"], namerequired:!0, parent:["section"]}, input:{"abstract":!0, namefrom:["author"], parent:["widget"]}, landmark:{"abstract":!0, namefrom:["contents", "author"], namerequired:!1, parent:["region"]}, link:{namefrom:["contents", "author"], namerequired:!0, parent:["command"], properties:["aria-expanded"]}, list:{mustcontain:["group", "listitem"], namefrom:["author"], parent:["region"]},
listbox:{mustcontain:["option"], namefrom:["author"], namerequired:!0, parent:["list", "select"], properties:["aria-multiselectable", "aria-required"]}, listitem:{namefrom:["contents", "author"], namerequired:!0, parent:["section"], properties:["aria-level", "aria-posinset", "aria-setsize"]}, log:{namefrom:[" author"], namerequired:!0, parent:["region"]}, main:{namefrom:["author"], parent:["landmark"]}, marquee:{namerequired:!0, parent:["section"]}, math:{childpresentational:!0, namefrom:["author"],
parent:["section"]}, menu:{mustcontain:["group", "menuitemradio", "menuitem", "menuitemcheckbox"], namefrom:["author"], namerequired:!0, parent:["list", "select"]}, menubar:{namefrom:["author"], parent:["menu"]}, menuitem:{namefrom:["contents", "author"], namerequired:!0, parent:["command"]}, menuitemcheckbox:{namefrom:["contents", "author"], namerequired:!0, parent:["checkbox", "menuitem"]}, menuitemradio:{namefrom:["contents", "author"], namerequired:!0, parent:["menuitemcheckbox", "radio"]}, navigation:{namefrom:["author"],
parent:["landmark"]}, note:{namefrom:["author"], parent:["section"]}, option:{namefrom:["contents", "author"], namerequired:!0, parent:["input"], properties:["aria-checked", "aria-posinset", "aria-selected", "aria-setsize"]}, presentation:{parent:["structure"]}, progressbar:{childpresentational:!0, namefrom:["author"], namerequired:!0, parent:["range"]}, radio:{namefrom:["contents", "author"], namerequired:!0, parent:["checkbox", "option"]}, radiogroup:{mustcontain:["radio"], namefrom:["author"],
namerequired:!0, parent:["select"], properties:["aria-required"]}, range:{"abstract":!0, namefrom:["author"], parent:["widget"], properties:["aria-valuemax", "aria-valuemin", "aria-valuenow", "aria-valuetext"]}, region:{namefrom:[" author"], parent:["section"]}, roletype:{"abstract":!0, properties:"aria-atomic aria-busy aria-controls aria-describedby aria-disabled aria-dropeffect aria-flowto aria-grabbed aria-haspopup aria-hidden aria-invalid aria-label aria-labelledby aria-live aria-owns aria-relevant".split(" ")},
row:{mustcontain:["columnheader", "gridcell", "rowheader"], namefrom:["contents", "author"], parent:["group", "widget"], properties:["aria-level", "aria-selected"]}, rowgroup:{mustcontain:["row"], namefrom:["contents", "author"], parent:["group"]}, rowheader:{namefrom:["contents", "author"], namerequired:!0, parent:["gridcell", "sectionhead", "widget"], properties:["aria-sort"]}, search:{namefrom:["author"], parent:["landmark"]}, section:{"abstract":!0, namefrom:["contents", "author"], parent:["structure"],
properties:["aria-expanded"]}, sectionhead:{"abstract":!0, namefrom:["contents", "author"], parent:["structure"], properties:["aria-expanded"]}, select:{"abstract":!0, namefrom:["author"], parent:["composite", "group", "input"]}, separator:{childpresentational:!0, namefrom:["author"], parent:["structure"], properties:["aria-expanded", "aria-orientation"]}, scrollbar:{childpresentational:!0, namefrom:["author"], namerequired:!1, parent:["input", "range"], requiredProperties:["aria-controls", "aria-orientation",
"aria-valuemax", "aria-valuemin", "aria-valuenow"], properties:["aria-controls", "aria-orientation", "aria-valuemax", "aria-valuemin", "aria-valuenow"]}, slider:{childpresentational:!0, namefrom:["author"], namerequired:!0, parent:["input", "range"], requiredProperties:["aria-valuemax", "aria-valuemin", "aria-valuenow"], properties:["aria-valuemax", "aria-valuemin", "aria-valuenow", "aria-orientation"]}, spinbutton:{namefrom:["author"], namerequired:!0, parent:["input", "range"], requiredProperties:["aria-valuemax",
"aria-valuemin", "aria-valuenow"], properties:["aria-valuemax", "aria-valuemin", "aria-valuenow", "aria-required"]}, status:{parent:["region"]}, structure:{"abstract":!0, parent:["roletype"]}, tab:{namefrom:["contents", "author"], parent:["sectionhead", "widget"], properties:["aria-selected"]}, tablist:{mustcontain:["tab"], namefrom:["author"], parent:["composite", "directory"], properties:["aria-level"]}, tabpanel:{namefrom:["author"], namerequired:!0, parent:["region"]}, textbox:{namefrom:["author"],
namerequired:!0, parent:["input"], properties:["aria-activedescendant", "aria-autocomplete", "aria-multiline", "aria-readonly", "aria-required"]}, timer:{namefrom:["author"], namerequired:!0, parent:["status"]}, toolbar:{namefrom:["author"], parent:["group"]}, tooltip:{namerequired:!0, parent:["section"]}, tree:{mustcontain:["group", "treeitem"], namefrom:["author"], namerequired:!0, parent:["select"], properties:["aria-multiselectable", "aria-required"]}, treegrid:{mustcontain:["row"], namefrom:["author"],
namerequired:!0, parent:["grid", "tree"]}, treeitem:{namefrom:["contents", "author"], namerequired:!0, parent:["listitem", "option"]}, widget:{"abstract":!0, parent:["roletype"]}, window:{"abstract":!0, namefrom:[" author"], parent:["roletype"], properties:["aria-expanded"]}};
axs.constants.WIDGET_ROLES = {};
axs.constants.addAllParentRolesToSet_ = function(a, b) {
if(a.parent) {
for(var c = a.parent, d = 0;d < c.length;d++) {
var e = c[d];
b[e] = !0;
axs.constants.addAllParentRolesToSet_(axs.constants.ARIA_ROLES[e], b)
}
}
};
axs.constants.addAllPropertiesToSet_ = function(a, b, c) {
var d = a[b];
if(d) {
for(var e = 0;e < d.length;e++) {
c[d[e]] = !0
}
}
if(a.parent) {
for(a = a.parent, d = 0;d < a.length;d++) {
axs.constants.addAllPropertiesToSet_(axs.constants.ARIA_ROLES[a[d]], b, c)
}
}
};
for(var roleName in axs.constants.ARIA_ROLES) {
var role = axs.constants.ARIA_ROLES[roleName], propertiesSet = {};
axs.constants.addAllPropertiesToSet_(role, "properties", propertiesSet);
role.propertiesSet = propertiesSet;
var requiredPropertiesSet = {};
axs.constants.addAllPropertiesToSet_(role, "requiredProperties", requiredPropertiesSet);
role.requiredPropertiesSet = requiredPropertiesSet;
var parentRolesSet = {};
axs.constants.addAllParentRolesToSet_(role, parentRolesSet);
role.allParentRolesSet = parentRolesSet;
"widget" in parentRolesSet && (axs.constants.WIDGET_ROLES[roleName] = role)
}
axs.constants.ARIA_PROPERTIES = {activedescendant:{type:"property", valueType:"idref"}, atomic:{defaultValue:"false", type:"property", valueType:"boolean"}, autocomplete:{defaultValue:"none", type:"property", valueType:"token", values:["inline", "list", "both", "none"]}, busy:{defaultValue:"false", type:"state", valueType:"boolean"}, checked:{defaultValue:"undefined", type:"state", valueType:"token", values:["true", "false", "mixed", "undefined"]}, controls:{type:"property", valueType:"idref_list"},
describedby:{type:"property", valueType:"idref_list"}, disabled:{defaultValue:"false", type:"state", valueType:"boolean"}, dropeffect:{defaultValue:"none", type:"property", valueType:"token_list", values:"copy move link execute popup none".split(" ")}, expanded:{defaultValue:"undefined", type:"state", valueType:"token", values:["true", "false", "undefined"]}, flowto:{type:"property", valueType:"idref_list"}, grabbed:{defaultValue:"undefined", type:"state", valueType:"token", values:["true", "false",
"undefined"]}, haspopup:{defaultValue:"false", type:"property", valueType:"boolean"}, hidden:{defaultValue:"false", type:"state", valueType:"boolean"}, invalid:{defaultValue:"false", type:"state", valueType:"token", values:["grammar", "false", "spelling", "true"]}, label:{type:"property", valueType:"string"}, labelledby:{type:"property", valueType:"idref_list"}, level:{type:"property", valueType:"integer"}, live:{defaultValue:"off", type:"property", valueType:"token", values:["off", "polite", "assertive"]},
multiline:{defaultValue:"false", type:"property", valueType:"boolean"}, multiselectable:{defaultValue:"false", type:"property", valueType:"boolean"}, orientation:{defaultValue:"vertical", type:"property", valueType:"token", values:["horizontal", "vertical"]}, owns:{type:"property", valueType:"idref_list"}, posinset:{type:"property", valueType:"integer"}, pressed:{defaultValue:"undefined", type:"state", valueType:"token", values:["true", "false", "mixed", "undefined"]}, readonly:{defaultValue:"false",
type:"property", valueType:"boolean"}, relevant:{defaultValue:"additions text", type:"property", valueType:"token_list", values:["additions", "removals", "text", "all"]}, required:{defaultValue:"false", type:"property", valueType:"boolean"}, selected:{defaultValue:"undefined", type:"state", valueType:"token", values:["true", "false", "undefined"]}, setsize:{type:"property", valueType:"integer"}, sort:{defaultValue:"none", type:"property", valueType:"token", values:["ascending", "descending", "none",
"other"]}, valuemax:{type:"property", valueType:"decimal"}, valuemin:{type:"property", valueType:"decimal"}, valuenow:{type:"property", valueType:"decimal"}, valuetext:{type:"property", valueType:"string"}};
axs.constants.GLOBAL_PROPERTIES = "aria-atomic aria-busy aria-controls aria-describedby aria-disabled aria-dropeffect aria-flowto aria-grabbed aria-haspopup aria-hidden aria-invalid aria-label aria-labelledby aria-live aria-owns aria-relevant".split(" ");
axs.constants.NO_ROLE_NAME = " ";
axs.constants.WIDGET_ROLE_TO_NAME = {alert:"aria_role_alert", alertdialog:"aria_role_alertdialog", button:"aria_role_button", checkbox:"aria_role_checkbox", columnheader:"aria_role_columnheader", combobox:"aria_role_combobox", dialog:"aria_role_dialog", grid:"aria_role_grid", gridcell:"aria_role_gridcell", link:"aria_role_link", listbox:"aria_role_listbox", log:"aria_role_log", marquee:"aria_role_marquee", menu:"aria_role_menu", menubar:"aria_role_menubar", menuitem:"aria_role_menuitem", menuitemcheckbox:"aria_role_menuitemcheckbox",
menuitemradio:"aria_role_menuitemradio", option:axs.constants.NO_ROLE_NAME, progressbar:"aria_role_progressbar", radio:"aria_role_radio", radiogroup:"aria_role_radiogroup", rowheader:"aria_role_rowheader", scrollbar:"aria_role_scrollbar", slider:"aria_role_slider", spinbutton:"aria_role_spinbutton", status:"aria_role_status", tab:"aria_role_tab", tabpanel:"aria_role_tabpanel", textbox:"aria_role_textbox", timer:"aria_role_timer", toolbar:"aria_role_toolbar", tooltip:"aria_role_tooltip", treeitem:"aria_role_treeitem"};
axs.constants.STRUCTURE_ROLE_TO_NAME = {article:"aria_role_article", application:"aria_role_application", banner:"aria_role_banner", columnheader:"aria_role_columnheader", complementary:"aria_role_complementary", contentinfo:"aria_role_contentinfo", definition:"aria_role_definition", directory:"aria_role_directory", document:"aria_role_document", form:"aria_role_form", group:"aria_role_group", heading:"aria_role_heading", img:"aria_role_img", list:"aria_role_list", listitem:"aria_role_listitem",
main:"aria_role_main", math:"aria_role_math", navigation:"aria_role_navigation", note:"aria_role_note", region:"aria_role_region", rowheader:"aria_role_rowheader", search:"aria_role_search", separator:"aria_role_separator"};
axs.constants.ATTRIBUTE_VALUE_TO_STATUS = [{name:"aria-autocomplete", values:{inline:"aria_autocomplete_inline", list:"aria_autocomplete_list", both:"aria_autocomplete_both"}}, {name:"aria-checked", values:{"true":"aria_checked_true", "false":"aria_checked_false", mixed:"aria_checked_mixed"}}, {name:"aria-disabled", values:{"true":"aria_disabled_true"}}, {name:"aria-expanded", values:{"true":"aria_expanded_true", "false":"aria_expanded_false"}}, {name:"aria-invalid", values:{"true":"aria_invalid_true",
grammar:"aria_invalid_grammar", spelling:"aria_invalid_spelling"}}, {name:"aria-multiline", values:{"true":"aria_multiline_true"}}, {name:"aria-multiselectable", values:{"true":"aria_multiselectable_true"}}, {name:"aria-pressed", values:{"true":"aria_pressed_true", "false":"aria_pressed_false", mixed:"aria_pressed_mixed"}}, {name:"aria-readonly", values:{"true":"aria_readonly_true"}}, {name:"aria-required", values:{"true":"aria_required_true"}}, {name:"aria-selected", values:{"true":"aria_selected_true",
"false":"aria_selected_false"}}];
axs.constants.INPUT_TYPE_TO_INFORMATION_TABLE_MSG = {button:"input_type_button", checkbox:"input_type_checkbox", color:"input_type_color", datetime:"input_type_datetime", "datetime-local":"input_type_datetime_local", date:"input_type_date", email:"input_type_email", file:"input_type_file", image:"input_type_image", month:"input_type_month", number:"input_type_number", password:"input_type_password", radio:"input_type_radio", range:"input_type_range", reset:"input_type_reset", search:"input_type_search",
submit:"input_type_submit", tel:"input_type_tel", text:"input_type_text", url:"input_type_url", week:"input_type_week"};
axs.constants.TAG_TO_INFORMATION_TABLE_VERBOSE_MSG = {A:"tag_link", BUTTON:"tag_button", H1:"tag_h1", H2:"tag_h2", H3:"tag_h3", H4:"tag_h4", H5:"tag_h5", H6:"tag_h6", LI:"tag_li", OL:"tag_ol", SELECT:"tag_select", TEXTAREA:"tag_textarea", UL:"tag_ul", SECTION:"tag_section", NAV:"tag_nav", ARTICLE:"tag_article", ASIDE:"tag_aside", HGROUP:"tag_hgroup", HEADER:"tag_header", FOOTER:"tag_footer", TIME:"tag_time", MARK:"tag_mark"};
axs.constants.TAG_TO_INFORMATION_TABLE_BRIEF_MSG = {BUTTON:"tag_button", SELECT:"tag_select", TEXTAREA:"tag_textarea"};
axs.constants.MIXED_VALUES = {"true":!0, "false":!0, mixed:!0};
(function() {
for(var a in axs.constants.ARIA_PROPERTIES) {
var b = axs.constants.ARIA_PROPERTIES[a];
if(b.values) {
for(var c = {}, d = 0;d < b.values.length;d++) {
c[b.values[d]] = !0
}
b.valuesSet = c
}
}
})();
axs.constants.Severity = {INFO:"Info", WARNING:"Warning", SEVERE:"Severe"};
axs.constants.AuditResult = {PASS:"PASS", FAIL:"FAIL", NA:"NA"};
axs.constants.InlineElements = {TT:!0, I:!0, B:!0, BIG:!0, SMALL:!0, EM:!0, STRONG:!0, DFN:!0, CODE:!0, SAMP:!0, KBD:!0, VAR:!0, CITE:!0, ABBR:!0, ACRONYM:!0, A:!0, IMG:!0, OBJECT:!0, BR:!0, SCRIPT:!0, MAP:!0, Q:!0, SUB:!0, SUP:!0, SPAN:!0, BDO:!0, INPUT:!0, SELECT:!0, TEXTAREA:!0, LABEL:!0, BUTTON:!0};
axs.utils = {};
axs.utils.FOCUSABLE_ELEMENTS_SELECTOR = "input:not([type=hidden]):not([disabled]),select:not([disabled]),textarea:not([disabled]),button:not([disabled]),a[href],iframe,[tabindex]";
axs.utils.Color = function(a, b, c, d) {
this.red = a;
this.green = b;
this.blue = c;
this.alpha = d
};
axs.utils.calculateContrastRatio = function(a, b) {
if(!a || !b) {
return null
}
1 > a.alpha && (a = axs.utils.flattenColors(a, b));
var c = axs.utils.calculateLuminance(a), d = axs.utils.calculateLuminance(b);
return(Math.max(c, d) + 0.05) / (Math.min(c, d) + 0.05)
};
axs.utils.luminanceRatio = function(a, b) {
return(Math.max(a, b) + 0.05) / (Math.min(a, b) + 0.05)
};
axs.utils.asElement = function(a) {
switch(a.nodeType) {
case Node.COMMENT_NODE:
return null;
case Node.ELEMENT_NODE:
if("script" == a.tagName.toLowerCase()) {
return null
}
break;
case Node.TEXT_NODE:
a = a.parentElement;
break;
default:
return console.warn("Unhandled node type: ", a.nodeType), null
}
return a
};
axs.utils.elementIsTransparent = function(a) {
return"0" == a.style.opacity
};
axs.utils.elementHasZeroArea = function(a) {
a = a.getBoundingClientRect();
var b = a.top - a.bottom;
return a.right - a.left && b ? !1 : !0
};
axs.utils.elementIsOutsideScrollArea = function(a) {
a = a.getBoundingClientRect();
var b = document.body.scrollWidth, c = document.body.scrollTop, d = document.body.scrollLeft;
return a.top >= document.body.scrollHeight || a.bottom <= -c || a.left >= b || a.right <= -d ? !0 : !1
};
axs.utils.isAncestor = function(a, b) {
return null == b ? !1 : b === a ? !0 : axs.utils.isAncestor(a, b.parentNode)
};
axs.utils.overlappingElements = function(a) {
if(axs.utils.elementHasZeroArea(a)) {
return null
}
for(var b = [], c = a.getClientRects(), d = 0;d < c.length;d++) {
var e = c[d], e = document.elementFromPoint((e.left + e.right) / 2, (e.top + e.bottom) / 2);
if(null != e && e != a && !axs.utils.isAncestor(e, a) && !axs.utils.isAncestor(a, e)) {
var f = window.getComputedStyle(e, null);
f && (f = axs.utils.getBgColor(f, e)) && 0 < f.alpha && 0 > b.indexOf(e) && b.push(e)
}
}
return b
};
axs.utils.elementIsHtmlControl = function(a) {
var b = a.ownerDocument.defaultView;
return a instanceof b.HTMLButtonElement || a instanceof b.HTMLInputElement || a instanceof b.HTMLSelectElement || a instanceof b.HTMLTextAreaElement ? !0 : !1
};
axs.utils.elementIsAriaWidget = function(a) {
return a.hasAttribute("role") && (a = a.getAttribute("role")) && (a = axs.constants.ARIA_ROLES[a]) && "widget" in a.allParentRolesSet ? !0 : !1
};
axs.utils.elementIsVisible = function(a) {
return axs.utils.elementIsTransparent(a) || axs.utils.elementHasZeroArea(a) || axs.utils.elementIsOutsideScrollArea(a) || axs.utils.overlappingElements(a).length ? !1 : !0
};
axs.utils.isLargeFont = function(a) {
var b = a.fontSize;
a = "bold" == a.fontWeight;
var c = b.match(/(\d+)px/);
if(c) {
b = parseInt(c[1], 10);
if(c = window.getComputedStyle(document.body, null).fontSize.match(/(\d+)px/)) {
var d = parseInt(c[1], 10), c = 1.2 * d, d = 1.5 * d
}else {
c = 19.2, d = 24
}
return a && b >= c || b >= d
}
if(c = b.match(/(\d+)em/)) {
return b = parseInt(c[1], 10), a && 1.2 <= b || 1.5 <= b ? !0 : !1
}
if(c = b.match(/(\d+)%/)) {
return b = parseInt(c[1], 10), a && 120 <= b || 150 <= b ? !0 : !1
}
if(c = b.match(/(\d+)pt/)) {
if(b = parseInt(c[1], 10), a && 14 <= b || 18 <= b) {
return!0
}
}
return!1
};
axs.utils.getBgColor = function(a, b) {
var c = axs.utils.parseColor(a.backgroundColor);
if(!c) {
return null
}
1 > a.opacity && (c.alpha *= a.opacity);
if(1 > c.alpha) {
var d = axs.utils.getParentBgColor(b);
if(null == d) {
return null
}
c = axs.utils.flattenColors(c, d)
}
return c
};
axs.utils.getParentBgColor = function(a) {
var b = a;
a = [];
for(var c = null;b = b.parentElement;) {
var d = window.getComputedStyle(b, null);
if(d) {
var e = axs.utils.parseColor(d.backgroundColor);
if(e && (1 > d.opacity && (e.alpha *= d.opacity), 0 != e.alpha && (a.push(e), 1 == e.alpha))) {
c = !0;
break
}
}
}
c || a.push(new axs.utils.Color(255, 255, 255, 1));
for(b = a.pop();a.length;) {
c = a.pop(), b = axs.utils.flattenColors(c, b)
}
return b
};
axs.utils.getFgColor = function(a, b, c) {
var d = axs.utils.parseColor(a.color);
if(!d) {
return null
}
1 > d.alpha && (d = axs.utils.flattenColors(d, c));
1 > a.opacity && (b = axs.utils.getParentBgColor(b), d.alpha *= a.opacity, d = axs.utils.flattenColors(d, b));
return d
};
axs.utils.parseColor = function(a) {
var b = a.match(/^rgb\((\d+), (\d+), (\d+)\)$/);
if(b) {
a = parseInt(b[1], 10);
var c = parseInt(b[2], 10), b = parseInt(b[3], 10), d;
return new axs.utils.Color(a, c, b, 1)
}
return(b = a.match(/^rgba\((\d+), (\d+), (\d+), (\d+(\.\d+)?)\)/)) ? (d = parseInt(b[4], 10), a = parseInt(b[1], 10), c = parseInt(b[2], 10), b = parseInt(b[3], 10), new axs.utils.Color(a, c, b, d)) : null
};
axs.utils.colorChannelToString = function(a) {
a = Math.round(a);
return 15 >= a ? "0" + a.toString(16) : a.toString(16)
};
axs.utils.colorToString = function(a) {
return 1 == a.alpha ? "#" + axs.utils.colorChannelToString(a.red) + axs.utils.colorChannelToString(a.green) + axs.utils.colorChannelToString(a.blue) : "rgba(" + [a.red, a.green, a.blue, a.alpha].join() + ")"
};
axs.utils.luminanceFromContrastRatio = function(a, b, c) {
return c ? (a + 0.05) * b - 0.05 : (a + 0.05) / b - 0.05
};
axs.utils.translateColor = function(a, b) {
var c = a[0], c = (b - c) / ((c > b ? 0 : 1) - c);
return axs.utils.fromYCC([b, a[1] - a[1] * c, a[2] - a[2] * c])
};
axs.utils.suggestColors = function(a, b, c, d) {
if(!axs.utils.isLowContrast(c, d, !0)) {
return null
}
var e = {}, f = axs.utils.calculateLuminance(a), g = axs.utils.calculateLuminance(b), h = axs.utils.isLargeFont(d) ? 3 : 4.5, k = axs.utils.isLargeFont(d) ? 4.5 : 7, m = g > f, l = axs.utils.luminanceFromContrastRatio(f, h + 0.02, m), n = axs.utils.luminanceFromContrastRatio(f, k + 0.02, m), q = axs.utils.toYCC(b);
if(axs.utils.isLowContrast(c, d, !1) && 1 >= l && 0 <= l) {
var p = axs.utils.translateColor(q, l), l = axs.utils.calculateContrastRatio(p, a);
axs.utils.calculateLuminance(p);
f = {};
f.fg = axs.utils.colorToString(p);
f.bg = axs.utils.colorToString(a);
f.contrast = l.toFixed(2);
e.AA = f
}
axs.utils.isLowContrast(c, d, !0) && 1 >= n && 0 <= n && (n = axs.utils.translateColor(q, n), l = axs.utils.calculateContrastRatio(n, a), f = {}, f.fg = axs.utils.colorToString(n), f.bg = axs.utils.colorToString(a), f.contrast = l.toFixed(2), e.AAA = f);
h = axs.utils.luminanceFromContrastRatio(g, h + 0.02, !m);
g = axs.utils.luminanceFromContrastRatio(g, k + 0.02, !m);
a = axs.utils.toYCC(a);
!("AA" in e) && axs.utils.isLowContrast(c, d, !1) && 1 >= h && 0 <= h && (k = axs.utils.translateColor(a, h), l = axs.utils.calculateContrastRatio(b, k), f = {}, f.bg = axs.utils.colorToString(k), f.fg = axs.utils.colorToString(b), f.contrast = l.toFixed(2), e.AA = f);
!("AAA" in e) && axs.utils.isLowContrast(c, d, !0) && 1 >= g && 0 <= g && (c = axs.utils.translateColor(a, g), l = axs.utils.calculateContrastRatio(b, c), f = {}, f.bg = axs.utils.colorToString(c), f.fg = axs.utils.colorToString(b), f.contrast = l.toFixed(2), e.AAA = f);
return e
};
axs.utils.flattenColors = function(a, b) {
var c = a.alpha;
return new axs.utils.Color((1 - c) * b.red + c * a.red, (1 - c) * b.green + c * a.green, (1 - c) * b.blue + c * a.blue, a.alpha + b.alpha * (1 - a.alpha))
};
axs.utils.calculateLuminance = function(a) {
return axs.utils.toYCC(a)[0]
};
axs.utils.RGBToYCCMatrix = function(a, b) {
return[[a, 1 - a - b, b], [-a / (2 - 2 * b), (a + b - 1) / (2 - 2 * b), (1 - b) / (2 - 2 * b)], [(1 - a) / (2 - 2 * a), (a + b - 1) / (2 - 2 * a), -b / (2 - 2 * a)]]
};
axs.utils.invert3x3Matrix = function(a) {
var b = a[0][0], c = a[0][1], d = a[0][2], e = a[1][0], f = a[1][1], g = a[1][2], h = a[2][0], k = a[2][1];
a = a[2][2];
return axs.utils.scalarMultiplyMatrix([[f * a - g * k, d * k - c * a, c * g - d * f], [g * h - e * a, b * a - d * h, d * e - b * g], [e * k - f * h, h * c - b * k, b * f - c * e]], 1 / (b * (f * a - g * k) - c * (a * e - g * h) + d * (e * k - f * h)))
};
axs.utils.scalarMultiplyMatrix = function(a, b) {
for(var c = [[], [], []], d = 0;3 > d;d++) {
for(var e = 0;3 > e;e++) {
c[d][e] = a[d][e] * b
}
}
return c
};
axs.utils.kR = 0.2126;
axs.utils.kB = 0.0722;
axs.utils.YCC_MATRIX = axs.utils.RGBToYCCMatrix(axs.utils.kR, axs.utils.kB);
axs.utils.INVERTED_YCC_MATRIX = axs.utils.invert3x3Matrix(axs.utils.YCC_MATRIX);
axs.utils.convertColor = function(a, b) {
var c = b[0], d = b[1], e = b[2];
return[a[0][0] * c + a[0][1] * d + a[0][2] * e, a[1][0] * c + a[1][1] * d + a[1][2] * e, a[2][0] * c + a[2][1] * d + a[2][2] * e]
};
axs.utils.multiplyMatrices = function(a, b) {
for(var c = [[], [], []], d = 0;3 > d;d++) {
for(var e = 0;3 > e;e++) {
c[d][e] = a[d][0] * b[0][e] + a[d][1] * b[1][e] + a[d][2] * b[2][e]
}
}
return c
};
axs.utils.toYCC = function(a) {
var b = a.red / 255, c = a.green / 255;
a = a.blue / 255;
b = 0.03928 >= b ? b / 12.92 : Math.pow((b + 0.055) / 1.055, 2.4);
c = 0.03928 >= c ? c / 12.92 : Math.pow((c + 0.055) / 1.055, 2.4);
a = 0.03928 >= a ? a / 12.92 : Math.pow((a + 0.055) / 1.055, 2.4);
return axs.utils.convertColor(axs.utils.YCC_MATRIX, [b, c, a])
};
axs.utils.fromYCC = function(a) {
var b = axs.utils.convertColor(axs.utils.INVERTED_YCC_MATRIX, a), c = b[0];
a = b[1];
b = b[2];
c = 0.00303949 >= c ? 12.92 * c : 1.055 * Math.pow(c, 1 / 2.4) - 0.055;
a = 0.00303949 >= a ? 12.92 * a : 1.055 * Math.pow(a, 1 / 2.4) - 0.055;
b = 0.00303949 >= b ? 12.92 * b : 1.055 * Math.pow(b, 1 / 2.4) - 0.055;
c = Math.min(Math.max(Math.round(255 * c), 0), 255);
a = Math.min(Math.max(Math.round(255 * a), 0), 255);
b = Math.min(Math.max(Math.round(255 * b), 0), 255);
return new axs.utils.Color(c, a, b, 1)
};
axs.utils.scalarMultiplyMatrix = function(a, b) {
for(var c = [[], [], []], d = 0;3 > d;d++) {
for(var e = 0;3 > e;e++) {
c[d][e] = a[d][e] * b
}
}
return c
};
axs.utils.multiplyMatrices = function(a, b) {
for(var c = [[], [], []], d = 0;3 > d;d++) {
for(var e = 0;3 > e;e++) {
c[d][e] = a[d][0] * b[0][e] + a[d][1] * b[1][e] + a[d][2] * b[2][e]
}
}
return c
};
axs.utils.getContrastRatioForElement = function(a) {
var b = window.getComputedStyle(a, null);
return axs.utils.getContrastRatioForElementWithComputedStyle(b, a)
};
axs.utils.getContrastRatioForElementWithComputedStyle = function(a, b) {
if(axs.utils.isElementHidden(b)) {
return null
}
var c = axs.utils.getBgColor(a, b);
if(!c) {
return null
}
var d = axs.utils.getFgColor(a, b, c);
return d ? axs.utils.calculateContrastRatio(d, c) : null
};
axs.utils.isNativeTextElement = function(a) {
var b = a.tagName.toLowerCase();
a = a.type ? a.type.toLowerCase() : "";
if("textarea" == b) {
return!0
}
if("input" != b) {
return!1
}
switch(a) {
case "email":
;
case "number":
;
case "password":
;
case "search":
;
case "text":
;
case "tel":
;
case "url":
;
case "":
return!0;
default:
return!1
}
};
axs.utils.isLowContrast = function(a, b, c) {
a = Math.round(10 * a) / 10;
return c ? 4.5 > a || !axs.utils.isLargeFont(b) && 7 > a : 3 > a || !axs.utils.isLargeFont(b) && 4.5 > a
};
axs.utils.hasLabel = function(a) {
var b = a.tagName.toLowerCase(), c = a.type ? a.type.toLowerCase() : "";
if(a.hasAttribute("aria-label") || a.hasAttribute("title") || "img" == b && a.hasAttribute("alt") || "input" == b && "image" == c && a.hasAttribute("alt") || "input" == b && ("submit" == c || "reset" == c) || a.hasAttribute("aria-labelledby") || axs.utils.isNativeTextElement(a) && a.hasAttribute("placeholder") || a.hasAttribute("id") && 0 < document.querySelectorAll('label[for="' + a.id + '"]').length) {
return!0
}
for(b = a.parentElement;b;) {
if("label" == b.tagName.toLowerCase() && b.control == a) {
return!0
}
b = b.parentElement
}
return!1
};
axs.utils.isElementHidden = function(a) {
if(!(a instanceof a.ownerDocument.defaultView.HTMLElement)) {
return!1
}
if(a.hasAttribute("chromevoxignoreariahidden")) {
var b = !0
}
var c = window.getComputedStyle(a, null);
return"none" == c.display || "hidden" == c.visibility ? !0 : a.hasAttribute("aria-hidden") && "true" == a.getAttribute("aria-hidden").toLowerCase() ? !b : !1
};
axs.utils.isElementOrAncestorHidden = function(a) {
return axs.utils.isElementHidden(a) ? !0 : a.parentElement ? axs.utils.isElementOrAncestorHidden(a.parentElement) : !1
};
axs.utils.isInlineElement = function(a) {
a = a.tagName.toUpperCase();
return axs.constants.InlineElements[a]
};
axs.utils.getRoles = function(a) {
if(!a.hasAttribute("role")) {
return!1
}
a = a.getAttribute("role").split(" ");
for(var b = [], c = !0, d = 0;d < a.length;d++) {
var e = a[d];
axs.constants.ARIA_ROLES[e] ? b.push({name:e, details:axs.constants.ARIA_ROLES[e], valid:!0}) : (b.push({name:e, valid:!1}), c = !1)
}
return{roles:b, valid:c}
};
axs.utils.getAriaPropertyValue = function(a, b, c) {
var d = a.replace(/^aria-/, ""), e = axs.constants.ARIA_PROPERTIES[d], d = {name:a, rawValue:b};
if(!e) {
return d.valid = !1, d.reason = '"' + a + '" is not a valid ARIA property', d
}
e = e.valueType;
if(!e) {
return d.valid = !1, d.reason = '"' + a + '" is not a valid ARIA property', d
}
switch(e) {
case "idref":
a = axs.utils.isValidIDRefValue(b, c), d.valid = a.valid, d.reason = a.reason, d.idref = a.idref;
case "idref_list":
a = b.split(/\s+/);
d.valid = !0;
for(b = 0;b < a.length;b++) {
e = axs.utils.isValidIDRefValue(a[b], c), e.valid || (d.valid = !1), d.values ? d.values.push(e) : d.values = [e]
}
return d;
case "integer":
;
case "decimal":
c = axs.utils.isValidNumber(b);
if(!c.valid) {
return d.valid = !1, d.reason = c.reason, d
}
Math.floor(c.value) != c.value ? (d.valid = !1, d.reason = "" + b + " is not a whole integer") : (d.valid = !0, d.value = c.value);
return d;
case "number":
c = axs.utils.isValidNumber(b), c.valid && (d.valid = !0, d.value = c.value);
case "string":
return d.valid = !0, d.value = b, d;
case "token":
return c = axs.utils.isValidTokenValue(a, b.toLowerCase()), c.valid ? (d.valid = !0, d.value = c.value) : (d.valid = !1, d.value = b, d.reason = c.reason), d;
case "token_list":
e = b.split(/\s+/);
d.valid = !0;
for(b = 0;b < e.length;b++) {
c = axs.utils.isValidTokenValue(a, e[b].toLowerCase()), c.valid || (d.valid = !1, d.reason ? (d.reason = [d.reason], d.reason.push(c.reason)) : (d.reason = c.reason, d.possibleValues = c.possibleValues)), d.values ? d.values.push(c.value) : d.values = [c.value]
}
return d;
case "tristate":
return c = axs.utils.isPossibleValue(b.toLowerCase(), axs.constants.MIXED_VALUES, a), c.valid ? (d.valid = !0, d.value = c.value) : (d.valid = !1, d.value = b, d.reason = c.reason), d;
case "boolean":
return c = axs.utils.isValidBoolean(b), c.valid ? (d.valid = !0, d.value = c.value) : (d.valid = !1, d.value = b, d.reason = c.reason), d
}
d.valid = !1;
d.reason = "Not a valid ARIA property";
return d
};
axs.utils.isValidTokenValue = function(a, b) {
var c = a.replace(/^aria-/, "");
return axs.utils.isPossibleValue(b, axs.constants.ARIA_PROPERTIES[c].valuesSet, a)
};
axs.utils.isPossibleValue = function(a, b, c) {
return b[a] ? {valid:!0, value:a} : {valid:!1, value:a, reason:'"' + a + '" is not a valid value for ' + c, possibleValues:Object.keys(b)}
};
axs.utils.isValidBoolean = function(a) {
try {
var b = JSON.parse(a)
}catch(c) {
b = ""
}
return"boolean" != typeof b ? {valid:!1, value:a, reason:'"' + a + '" is not a true/false value'} : {valid:!0, value:b}
};
axs.utils.isValidIDRefValue = function(a, b) {
return 0 == a.length ? {valid:!0, idref:a} : b.ownerDocument.getElementById(a) ? {valid:!0, idref:a} : {valid:!1, idref:a, reason:'No element with ID "' + a + '"'}
};
axs.utils.isValidNumber = function(a) {
try {
var b = JSON.parse(a)
}catch(c) {
return{valid:!1, value:a, reason:'"' + a + '" is not a number'}
}
return"number" != typeof b ? {valid:!1, value:a, reason:'"' + a + '" is not a number'} : {valid:!0, value:b}
};
axs.utils.isElementImplicitlyFocusable = function(a) {
var b = a.ownerDocument.defaultView;
return a instanceof b.HTMLAnchorElement || a instanceof b.HTMLAreaElement ? a.hasAttribute("href") : a instanceof b.HTMLInputElement || a instanceof b.HTMLSelectElement || a instanceof b.HTMLTextAreaElement || a instanceof b.HTMLButtonElement || a instanceof b.HTMLIFrameElement ? !a.disabled : !1
};
axs.utils.values = function(a) {
var b = [], c;
for(c in a) {
a.hasOwnProperty(c) && "function" != typeof a[c] && b.push(a[c])
}
return b
};
axs.utils.namedValues = function(a) {
var b = {}, c;
for(c in a) {
a.hasOwnProperty(c) && "function" != typeof a[c] && (b[c] = a[c])
}
return b
};
axs.utils.getQuerySelectorText = function(a) {
if(null == a || "HTML" == a.tagName) {
return"html"
}
if("BODY" == a.tagName) {
return"body"
}
if(a.hasAttribute) {
if(a.id) {
return"#" + a.id
}
if(a.className) {
for(var b = "", c = 0;c < a.classList.length;c++) {
b += "." + a.classList[c]
}
var d = 0;
if(a.parentNode) {
for(c = 0;c < a.parentNode.children.length;c++) {
var e = a.parentNode.children[c];
axs.browserUtils.matchSelector(e, b) && d++;
if(e === a) {
break
}
}
}else {
d = 1
}
return 1 == d ? axs.utils.getQuerySelectorText(a.parentNode) + " > " + b : axs.utils.getQuerySelectorText(a.parentNode) + " > " + b + ":nth-of-type(" + d + ")"
}
if(a.parentNode) {
b = a.parentNode.children;
d = 1;
for(c = 0;b[c] !== a;) {
b[c].tagName == a.tagName && d++, c++
}
c = "";
"BODY" != a.parentNode.tagName && (c = axs.utils.getQuerySelectorText(a.parentNode) + " > ");
return 1 == d ? c + a.tagName : c + a.tagName + ":nth-of-type(" + d + ")"
}
}else {
if(a.selectorText) {
return a.selectorText
}
}
return""
};
axs.properties = {};
axs.properties.TEXT_CONTENT_XPATH = './/text()[normalize-space(.)!=""]/parent::*[name()!="script"]';
axs.properties.getFocusProperties = function(a) {
var b = {}, c = a.getAttribute("tabindex");
void 0 != c ? b.tabindex = {value:c, valid:!0} : axs.utils.isElementImplicitlyFocusable(a) && (b.implicitlyFocusable = {value:!0, valid:!0});
if(0 == Object.keys(b).length) {
return null
}
var c = axs.utils.elementIsTransparent(a), d = axs.utils.elementHasZeroArea(a), e = axs.utils.elementIsOutsideScrollArea(a), f = axs.utils.overlappingElements(a);
if(c || d || e || 0 < f.length) {
var g = axs.utils.isElementOrAncestorHidden(a), h = {value:!1, valid:g};
c && (h.transparent = !0);
d && (h.zeroArea = !0);
e && (h.outsideScrollArea = !0);
0 < f.length && (h.overlappingElements = f);
h.hidden = {value:g, reason:axs.properties.getHiddenReason(a), valid:g};
b.visible = h
}else {
b.visible = {value:!0, valid:!0}
}
return b
};
axs.properties.getHiddenReason = function(a) {
if(!(a && a instanceof a.ownerDocument.defaultView.HTMLElement)) {
return null
}
if(a.hasAttribute("chromevoxignoreariahidden")) {
var b = !0
}
var c = window.getComputedStyle(a, null);
return"none" == c.display ? {property:"display: none", on:a} : "hidden" == c.visibility ? {property:"visibility: hidden", on:a} : a.hasAttribute("aria-hidden") && "true" == a.getAttribute("aria-hidden").toLowerCase() && !b ? {property:"aria-hidden", on:a} : axs.properties.getHiddenReason(a.parentElement)
};
axs.properties.getColorProperties = function(a) {
var b = {};
(a = axs.properties.getContrastRatioProperties(a)) && (b.contrastRatio = a);
return 0 == Object.keys(b).length ? null : b
};
axs.properties.hasDirectTextDescendant = function(a) {
for(var b = (a.nodeType == Node.DOCUMENT_NODE ? a : a.ownerDocument).evaluate(axs.properties.TEXT_CONTENT_XPATH, a, null, XPathResult.ANY_TYPE, null), c = !1, d = b.iterateNext();null != d;d = b.iterateNext()) {
if(d === a) {
c = !0;
break
}
}
return c
};
axs.properties.getContrastRatioProperties = function(a) {
if(!axs.properties.hasDirectTextDescendant(a)) {
return null
}
var b = {}, c = window.getComputedStyle(a, null), d = axs.utils.getBgColor(c, a);
if(!d) {
return null
}
b.backgroundColor = axs.utils.colorToString(d);
var e = axs.utils.getFgColor(c, a, d);
b.foregroundColor = axs.utils.colorToString(e);
a = axs.utils.getContrastRatioForElementWithComputedStyle(c, a);
if(!a) {
return null
}
b.value = a.toFixed(2);
axs.utils.isLowContrast(a, c) && (b.alert = !0);
(c = axs.utils.suggestColors(d, e, a, c)) && Object.keys(c).length && (b.suggestedColors = c);
return b
};
axs.properties.findTextAlternatives = function(a, b, c) {
var d = c || !1;
c = axs.utils.asElement(a);
if(!c || !d && axs.utils.isElementOrAncestorHidden(c)) {
return null
}
if(a.nodeType == Node.TEXT_NODE) {
return c = {type:"text"}, c.text = a.textContent, c.lastWord = axs.properties.getLastWord(c.text), b.content = c, a.textContent
}
a = null;
d || (a = axs.properties.getTextFromAriaLabelledby(c, b));
if(c.hasAttribute("aria-label")) {
var e = {type:"text"};
e.text = c.getAttribute("aria-label");
e.lastWord = axs.properties.getLastWord(e.text);
a ? e.unused = !0 : d && axs.utils.elementIsHtmlControl(c) || (a = e.text);
b.ariaLabel = e
}
c.hasAttribute("role") && "presentation" == c.getAttribute("role") || (a = axs.properties.getTextFromHostLanguageAttributes(c, b, a));
if(d && axs.utils.elementIsHtmlControl(c)) {
e = c.ownerDocument.defaultView;
if(c instanceof e.HTMLInputElement) {
var f = c;
"text" == f.type && f.value && 0 < f.value.length && (b.controlValue = {text:f.value});
"range" == f.type && (b.controlValue = {text:f.value})
}
c instanceof e.HTMLSelectElement && (b.controlValue = {text:c.value});
b.controlValue && (e = b.controlValue, a ? e.unused = !0 : a = e.text)
}
if(d && axs.utils.elementIsAriaWidget(c)) {
d = c.getAttribute("role");
"textbox" == d && c.textContent && 0 < c.textContent.length && (b.controlValue = {text:c.textContent});
if("slider" == d || "spinbutton" == d) {
c.hasAttribute("aria-valuetext") ? b.controlValue = {text:c.getAttribute("aria-valuetext")} : c.hasAttribute("aria-valuenow") && (b.controlValue = {value:c.getAttribute("aria-valuenow"), text:"" + c.getAttribute("aria-valuenow")})
}
if("menu" == d) {
for(var g = c.querySelectorAll("[role=menuitemcheckbox], [role=menuitemradio]"), e = [], f = 0;f < g.length;f++) {
"true" == g[f].getAttribute("aria-checked") && e.push(g[f])
}
if(0 < e.length) {
g = "";
for(f = 0;f < e.length;f++) {
g += axs.properties.findTextAlternatives(e[f], {}, !0), f < e.length - 1 && (g += ", ")
}
b.controlValue = {text:g}
}
}
if("combobox" == d || "select" == d) {
b.controlValue = {text:"TODO"}
}
b.controlValue && (e = b.controlValue, a ? e.unused = !0 : a = e.text)
}
e = !0;
c.hasAttribute("role") && (d = c.getAttribute("role"), (d = axs.constants.ARIA_ROLES[d]) && (!d.namefrom || 0 > d.namefrom.indexOf("contents")) && (e = !1));
(d = axs.properties.getTextFromDescendantContent(c)) && e && (e = {type:"text"}, e.text = d, e.lastWord = axs.properties.getLastWord(e.text), a ? e.unused = !0 : a = d, b.content = e);
c.hasAttribute("title") && (d = {type:"string", valid:!0}, d.text = c.getAttribute("title"), d.lastWord = axs.properties.getLastWord(d.lastWord), a ? d.unused = !0 : a = d.text, b.title = d);
return 0 == Object.keys(b).length && null == a ? null : a
};
axs.properties.getTextFromDescendantContent = function(a) {
a = a.childNodes;
for(var b = [], c = 0;c < a.length;c++) {
var d = axs.properties.findTextAlternatives(a[c], {}, !0);
d && 0 < d.trim().length && b.push(d.trim())
}
return b.length ? b.join(" ") : null
};
axs.properties.getTextFromAriaLabelledby = function(a, b) {
var c = null;
if(!a.hasAttribute("aria-labelledby")) {
return c
}
for(var d = a.getAttribute("aria-labelledby").split(/\s+/), e = {valid:!0}, f = [], g = [], h = 0;h < d.length;h++) {
var k = {type:"element"}, m = d[h];
k.value = m;
var l = document.getElementById(m);
l ? (k.valid = !0, k.text = axs.properties.findTextAlternatives(l, {}, !0), k.lastWord = axs.properties.getLastWord(k.text), f.push(l.textContent.trim()), k.element = l) : (k.valid = !1, e.valid = !1, k.errorMessage = {messageKey:"noElementWithId", args:[m]});
g.push(k)
}
0 < g.length && (g[g.length - 1].last = !0, e.values = g, e.text = f.join(" "), e.lastWord = axs.properties.getLastWord(e.text), c = e.text, b.ariaLabelledby = e);
return c
};
axs.properties.getTextFromHostLanguageAttributes = function(a, b, c) {
if(axs.browserUtils.matchSelector(a, "img")) {
if(a.hasAttribute("alt")) {
var d = {type:"string", valid:!0};
d.text = a.getAttribute("alt");
c ? d.unused = !0 : c = d.text;
b.alt = d
}else {
d = {valid:!1, errorMessage:"No alt value provided"}, b.alt = d, d = a.src, "string" == typeof d && (c = d.split("/").pop(), b.filename = {text:c})
}
}
if(axs.browserUtils.matchSelector(a, 'input:not([type="hidden"]):not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), video:not([disabled])')) {
if(a.hasAttribute("id")) {
for(var d = document.querySelectorAll('label[for="' + a.id + '"]'), e = {}, f = [], g = [], h = 0;h < d.length;h++) {
var k = {type:"element"}, m = d[h], l = axs.properties.findTextAlternatives(m, {}, !0);
l && 0 < l.trim().length && (k.text = l.trim(), g.push(l.trim()));
k.element = m;
f.push(k)
}
0 < f.length && (f[f.length - 1].last = !0, e.values = f, e.text = g.join(" "), e.lastWord = axs.properties.getLastWord(e.text), c ? e.unused = !0 : c = e.text, b.labelFor = e)
}
d = a.parentElement;
for(e = {};d;) {
if("label" == d.tagName.toLowerCase() && (f = d, f.control == a)) {
e.type = "element";
e.text = axs.properties.findTextAlternatives(f, {}, !0);
e.lastWord = axs.properties.getLastWord(e.text);
e.element = f;
break
}
d = d.parentElement
}
e.text && (c ? e.unused = !0 : c = e.text, b.labelWrapped = e);
Object.keys(b).length || (b.noLabel = !0)
}
return c
};
axs.properties.getLastWord = function(a) {
if(!a) {
return null
}
var b = a.lastIndexOf(" ") + 1, c = a.length - 10;
return a.substring(b > c ? b : c)
};
axs.properties.getTextProperties = function(a) {
var b = {};
a = axs.properties.findTextAlternatives(a, b);
if(0 == Object.keys(b).length) {
if(!a) {
return null
}
b.hasProperties = !1
}else {
b.hasProperties = !0
}
b.computedText = a;
b.lastWord = axs.properties.getLastWord(a);
return b
};
axs.properties.getAriaProperties = function(a) {
var b = {}, c = axs.properties.getGlobalAriaProperties(a), d;
for(d in axs.constants.ARIA_PROPERTIES) {
var e = "aria-" + d;
if(a.hasAttribute(e)) {
var f = a.getAttribute(e);
c[e] = axs.utils.getAriaPropertyValue(e, f, a)
}
}
0 < Object.keys(c).length && (b.properties = axs.utils.values(c));
f = axs.utils.getRoles(a);
if(!f) {
return Object.keys(b).length ? b : null
}
b.roles = f;
if(!f.valid || !f.roles) {
return b
}
for(var e = f.roles, g = 0;g < e.length;g++) {
var h = e[g];
if(h.details && h.details.propertiesSet) {
for(d in h.details.propertiesSet) {
d in c || (a.hasAttribute(d) ? (f = a.getAttribute(d), c[d] = axs.utils.getAriaPropertyValue(d, f, a), "values" in c[d] && (f = c[d].values, f[f.length - 1].isLast = !0)) : h.details.requiredPropertiesSet[d] && (c[d] = {name:d, valid:!1, reason:"Required property not set"}))
}
}
}
0 < Object.keys(c).length && (b.properties = axs.utils.values(c));
return 0 < Object.keys(b).length ? b : null
};
axs.properties.getGlobalAriaProperties = function(a) {
for(var b = {}, c = 0;c < axs.constants.GLOBAL_PROPERTIES.length;c++) {
var d = axs.constants.GLOBAL_PROPERTIES[c];
if(a.hasAttribute(d)) {
var e = a.getAttribute(d);
b[d] = axs.utils.getAriaPropertyValue(d, e, a)
}
}
return b
};
axs.properties.getVideoProperties = function(a) {
if(!axs.browserUtils.matchSelector(a, "video")) {
return null
}
var b = {};
b.captionTracks = axs.properties.getTrackElements(a, "captions");
b.descriptionTracks = axs.properties.getTrackElements(a, "descriptions");
b.chapterTracks = axs.properties.getTrackElements(a, "chapters");
return b
};
axs.properties.getTrackElements = function(a, b) {
var c = a.querySelectorAll("track[kind=" + b + "]"), d = {};
if(!c.length) {
return d.valid = !1, d.reason = {messageKey:"noTracksProvided", args:[[b]]}, d
}
d.valid = !0;
for(var e = [], f = 0;f < c.length;f++) {
var g = {}, h = c[f].getAttribute("src"), k = c[f].getAttribute("srcLang"), m = c[f].getAttribute("label");
h ? (g.valid = !0, g.src = h) : (g.valid = !1, g.reason = {messageKey:"noSrcProvided"});
h = "";
m && (h += m, k && (h += " "));
k && (h += "(" + k + ")");
"" == h && (h = "[[object Object]]");
g.name = h;
e.push(g)
}
d.values = e;
return d
};
axs.properties.getAllProperties = function(a) {
var b = axs.utils.asElement(a);
if(!b) {
return{}
}
var c = {};
c.ariaProperties = axs.properties.getAriaProperties(b);
c.colorProperties = axs.properties.getColorProperties(b);
c.focusProperties = axs.properties.getFocusProperties(b);
c.textProperties = axs.properties.getTextProperties(a);
c.videoProperties = axs.properties.getVideoProperties(b);
return c
};
axs.AuditRule = function(a) {
for(var b = !0, c = [], d = 0;d < axs.AuditRule.requiredFields.length;d++) {
var e = axs.AuditRule.requiredFields[d];
e in a || (b = !1, c.push(e))
}
if(!b) {
throw"Invalid spec; the following fields were not specified: " + c.join(", ") + "\n" + JSON.stringify(a);
}
this.name = a.name;
this.severity = a.severity;
this.relevantElementMatcher_ = a.relevantElementMatcher;
this.test_ = a.test;
this.code = a.code;
this.heading = a.heading || "";
this.url = a.url || "";
this.requiresConsoleAPI = !!a.opt_requiresConsoleAPI
};
axs.AuditRule.requiredFields = "name severity relevantElementMatcher test code heading".split(" ");
axs.AuditRule.NOT_APPLICABLE = {result:axs.constants.AuditResult.NA};
axs.AuditRule.prototype.addElement = function(a, b) {
a.push(b)
};
axs.AuditRule.collectMatchingElements = function(a, b, c) {
if(a.nodeType == Node.ELEMENT_NODE) {
var d = a
}
d && b.call(null, d) && c.push(d);
for(a = a.firstChild;null != a;) {
axs.AuditRule.collectMatchingElements(a, b, c), a = a.nextSibling
}
};
axs.AuditRule.prototype.run = function(a) {
a = a || {};
var b = "ignoreSelectors" in a ? a.ignoreSelectors : [], c = "maxResults" in a ? a.maxResults : null, d = [];
axs.AuditRule.collectMatchingElements("scope" in a ? a.scope : document, this.relevantElementMatcher_, d);
var e = [];
if(!d.length) {
return{result:axs.constants.AuditResult.NA}
}
for(a = 0;a < d.length && !(null != c && e.length >= c);a++) {
var f = d[a], g;
a: {
g = f;
for(var h = 0;h < b.length;h++) {
if(axs.browserUtils.matchSelector(g, b[h])) {
g = !0;
break a
}
}
g = !1
}
!g && this.test_(f) && this.addElement(e, f)
}
b = {result:e.length ? axs.constants.AuditResult.FAIL : axs.constants.AuditResult.PASS, elements:e};
a < d.length && (b.resultsTruncated = !0);
return b
};
axs.AuditRule.specs = {};
axs.AuditRules = {};
axs.AuditRules.getRule = function(a) {
if(!axs.AuditRules.rules) {
axs.AuditRules.rules = {};
for(var b in axs.AuditRule.specs) {
var c = axs.AuditRule.specs[b], d = new axs.AuditRule(c);
axs.AuditRules.rules[c.name] = d
}
}
return axs.AuditRules.rules[a]
};
axs.AuditResults = function() {
this.errors_ = [];
this.warnings_ = []
};
goog.exportSymbol("axs.AuditResults", axs.AuditResults);
axs.AuditResults.prototype.addError = function(a) {
"" != a && this.errors_.push(a)
};
goog.exportProperty(axs.AuditResults.prototype, "addError", axs.AuditResults.prototype.addError);
axs.AuditResults.prototype.addWarning = function(a) {
"" != a && this.warnings_.push(a)
};
goog.exportProperty(axs.AuditResults.prototype, "addWarning", axs.AuditResults.prototype.addWarning);
axs.AuditResults.prototype.numErrors = function() {
return this.errors_.length
};
goog.exportProperty(axs.AuditResults.prototype, "numErrors", axs.AuditResults.prototype.numErrors);
axs.AuditResults.prototype.numWarnings = function() {
return this.warnings_.length
};
goog.exportProperty(axs.AuditResults.prototype, "numWarnings", axs.AuditResults.prototype.numWarnings);
axs.AuditResults.prototype.getErrors = function() {
return this.errors_
};
goog.exportProperty(axs.AuditResults.prototype, "getErrors", axs.AuditResults.prototype.getErrors);
axs.AuditResults.prototype.getWarnings = function() {
return this.warnings_
};
goog.exportProperty(axs.AuditResults.prototype, "getWarnings", axs.AuditResults.prototype.getWarnings);
axs.AuditResults.prototype.toString = function() {
for(var a = "", b = 0;b < this.errors_.length;b++) {
0 == b && (a += "\nErrors:\n");
var c = this.errors_[b], a = a + (c + "\n\n")
}
for(b = 0;b < this.warnings_.length;b++) {
0 == b && (a += "\nWarnings:\n"), c = this.warnings_[b], a += c + "\n\n"
}
return a
};
goog.exportProperty(axs.AuditResults.prototype, "toString", axs.AuditResults.prototype.toString);
axs.Audit = {};
axs.AuditConfiguration = function() {
this.rules_ = {};
this.maxResults = this.auditRulesToIgnore = this.auditRulesToRun = this.scope = null;
this.withConsoleApi = !1;
goog.exportProperty(this, "scope", this.scope);
goog.exportProperty(this, "auditRulesToRun", this.auditRulesToRun);
goog.exportProperty(this, "auditRulesToIgnore", this.auditRulesToIgnore);
goog.exportProperty(this, "withConsoleApi", this.withConsoleApi)
};
goog.exportSymbol("axs.AuditConfiguration", axs.AuditConfiguration);
axs.AuditConfiguration.prototype = {ignoreSelectors:function(a, b) {
a in this.rules_ || (this.rules_[a] = {});
"ignore" in this.rules_[a] || (this.rules_[a].ignore = []);
Array.prototype.push.call(this.rules_[a].ignore, b)
}, getIgnoreSelectors:function(a) {
return a in this.rules_ && "ignore" in this.rules_[a] ? this.rules_[a].ignore : []
}, setSeverity:function(a, b) {
a in this.rules_ || (this.rules_[a] = {});
this.rules_[a].severity = b
}, getSeverity:function(a) {
return a in this.rules_ && "severity" in this.rules_[a] ? this.rules_[a].severity : null
}};
goog.exportProperty(axs.AuditConfiguration.prototype, "ignoreSelectors", axs.AuditConfiguration.prototype.ignoreSelectors);
goog.exportProperty(axs.AuditConfiguration.prototype, "getIgnoreSelectors", axs.AuditConfiguration.prototype.getIgnoreSelectors);
axs.Audit.run = function(a) {
a = a || new axs.AuditConfiguration;
var b = a.withConsoleApi, c = [], d;
d = a.auditRulesToRun && 0 < a.auditRulesToRun.length ? a.auditRulesToRun : Object.keys(axs.AuditRule.specs);
if(a.auditRulesToIgnore) {
for(var e = 0;e < a.auditRulesToIgnore.length;e++) {
var f = a.auditRulesToIgnore[e];
0 > d.indexOf(f) || d.splice(d.indexOf(f), 1)
}
}
for(e = 0;e < d.length;e++) {
var f = d[e], g = axs.AuditRules.getRule(f);
if(g && !g.disabled && (b || !g.requiresConsoleAPI)) {
var h = {}, k = a.getIgnoreSelectors(g.name);
if(0 < k.length || a.scope) {
h.ignoreSelectors = k
}
a.scope && (h.scope = a.scope);
a.maxResults && (h.maxResults = a.maxResults);
h = g.run.call(g, h);
g = axs.utils.namedValues(g);
g.severity = a.getSeverity(f) || g.severity;
h.rule = g;
c.push(h)
}
}
return c
};
goog.exportSymbol("axs.Audit.run", axs.Audit.run);
axs.Audit.auditResults = function(a) {
for(var b = new axs.AuditResults, c = 0;c < a.length;c++) {
var d = a[c];
d.result == axs.constants.AuditResult.FAIL && (d.rule.severity == axs.constants.Severity.SEVERE ? b.addError(axs.Audit.accessibilityErrorMessage(d)) : b.addWarning(axs.Audit.accessibilityErrorMessage(d)))
}
return b
};
goog.exportSymbol("axs.Audit.auditResults", axs.Audit.auditResults);
axs.Audit.createReport = function(a, b) {
var c;
c = "*** Begin accessibility audit results ***\nAn accessibility audit found " + axs.Audit.auditResults(a).toString();
b && (c += "\nFor more information, please see ", c += b);
return c += "\n*** End accessibility audit results ***"
};
goog.exportSymbol("axs.Audit.createReport", axs.Audit.createReport);
axs.Audit.accessibilityErrorMessage = function(a) {
for(var b = a.rule.severity == axs.constants.Severity.SEVERE ? "Error: " : "Warning: ", b = b + (a.rule.code + " (" + a.rule.heading + ") failed on the following " + (1 == a.elements.length ? "element" : "elements")), b = 1 == a.elements.length ? b + ":" : b + (" (1 - " + Math.min(5, a.elements.length) + " of " + a.elements.length + "):"), c = Math.min(a.elements.length, 5), d = 0;d < c;d++) {
var e = a.elements[d], b = b + "\n";
try {
b += axs.utils.getQuerySelectorText(e)
}catch(f) {
b += " tagName:" + e.tagName, b += " id:" + e.id
}
}
"" != a.rule.url && (b += "\nSee " + a.rule.url + " for more information.");
return b
};
goog.exportSymbol("axs.Audit.accessibilityErrorMessage", axs.Audit.accessibilityErrorMessage);
axs.AuditRule.specs.audioWithoutControls = {name:"audioWithoutControls", heading:"Audio elements should have controls", url:"", severity:axs.constants.Severity.WARNING, relevantElementMatcher:function(a) {
return axs.browserUtils.matchSelector(a, "audio[autoplay]")
}, test:function(a) {
return!a.querySelectorAll("[controls]").length && 3 < a.duration
}, code:"AX_AUDIO_01"};
axs.AuditRule.specs.badAriaAttributeValue = {name:"badAriaAttributeValue", heading:"ARIA state and property values must be valid", url:"", severity:axs.constants.Severity.SEVERE, relevantElementMatcher:function(a) {
var b = "", c;
for(c in axs.constants.ARIA_PROPERTIES) {
b += "[aria-" + c + "],"
}
b = b.substring(0, b.length - 1);
return axs.browserUtils.matchSelector(a, b)
}, test:function(a) {
for(var b in axs.constants.ARIA_PROPERTIES) {
var c = "aria-" + b;
if(a.hasAttribute(c)) {
var d = a.getAttribute(c);
if(!axs.utils.getAriaPropertyValue(c, d, a).valid) {
return!0
}
}
}
return!1
}, code:"AX_ARIA_04"};
axs.AuditRule.specs.badAriaRole = {name:"badAriaRole", heading:"Elements with ARIA roles must use a valid, non-abstract ARIA role", url:"https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#-ax_aria_01--elements-with-aria-roles-must-use-a-valid-non-abstract-aria-role", severity:axs.constants.Severity.SEVERE, relevantElementMatcher:function(a) {
return axs.browserUtils.matchSelector(a, "[role]")
}, test:function(a) {
return!axs.utils.getRoles(a).valid
}, code:"AX_ARIA_01"};
axs.AuditRule.specs.controlsWithoutLabel = {name:"controlsWithoutLabel", heading:"Controls and media elements should have labels", url:"https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#-ax_text_01--controls-and-media-elements-should-have-labels", severity:axs.constants.Severity.SEVERE, relevantElementMatcher:function(a) {
if(!axs.browserUtils.matchSelector(a, 'input:not([type="hidden"]):not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), video:not([disabled])')) {
return!1
}
if(0 <= a.tabIndex) {
return!0
}
for(a = a.parentElement;null != a;a = a.parentElement) {
if(axs.utils.elementIsAriaWidget(a)) {
return!1
}
}
return!0
}, test:function(a) {
return axs.utils.isElementOrAncestorHidden(a) || "input" == a.tagName.toLowerCase() && "button" == a.type && a.value.length || "button" == a.tagName.toLowerCase() && a.textContent.replace(/^\s+|\s+$/g, "").length ? !1 : axs.utils.hasLabel(a) ? !1 : !0
}, code:"AX_TEXT_01", ruleName:"Controls and media elements should have labels"};
axs.AuditRule.specs.focusableElementNotVisibleAndNotAriaHidden = {name:"focusableElementNotVisibleAndNotAriaHidden", heading:"These elements are focusable but either invisible or obscured by another element", url:"https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#-ax_focus_01--these-elements-are-focusable-but-either-invisible-or-obscured-by-another-element", severity:axs.constants.Severity.WARNING, relevantElementMatcher:function(a) {
if(!axs.browserUtils.matchSelector(a, axs.utils.FOCUSABLE_ELEMENTS_SELECTOR)) {
return!1
}
if(0 <= a.tabIndex) {
return!0
}
for(a = a.parentElement;null != a;a = a.parentElement) {
if(axs.utils.elementIsAriaWidget(a)) {
return!1
}
}
return!0
}, test:function(a) {
return axs.utils.isElementOrAncestorHidden(a) ? !1 : !axs.utils.elementIsVisible(a)
}, code:"AX_FOCUS_01"};
axs.AuditRule.specs.imagesWithoutAltText = {name:"imagesWithoutAltText", heading:"Images should have an alt attribute", url:"https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#-ax_text_02--images-should-have-an-alt-attribute-unless-they-have-an-aria-role-of-presentation", severity:axs.constants.Severity.WARNING, relevantElementMatcher:function(a) {
return axs.browserUtils.matchSelector(a, "img") && !axs.utils.isElementOrAncestorHidden(a)
}, test:function(a) {
return!a.hasAttribute("alt") && "presentation" != a.getAttribute("role")
}, code:"AX_TEXT_02"};
axs.AuditRule.specs.linkWithUnclearPurpose = {name:"linkWithUnclearPurpose", heading:"The purpose of each link should be clear from the link text", url:"", severity:axs.constants.Severity.WARNING, relevantElementMatcher:function(a) {
return axs.browserUtils.matchSelector(a, "a")
}, test:function(a) {
return/^\s*click\s*here\s*[^a-z]?$/i.test(a.textContent)
}, code:"AX_TITLE_01"};
axs.AuditRule.specs.lowContrastElements = {name:"lowContrastElements", heading:"Text elements should have a reasonable contrast ratio", url:"https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#-ax_color_01--text-elements-should-have-a-reasonable-contrast-ratio", severity:axs.constants.Severity.WARNING, relevantElementMatcher:function(a) {
return axs.properties.hasDirectTextDescendant(a)
}, test:function(a) {
var b = window.getComputedStyle(a, null);
return(a = axs.utils.getContrastRatioForElementWithComputedStyle(b, a)) && axs.utils.isLowContrast(a, b)
}, code:"AX_COLOR_01"};
axs.AuditRule.specs.mainRoleOnInappropriateElement = {name:"mainRoleOnInappropriateElement", heading:"role=main should only appear on significant elements", url:"", severity:axs.constants.Severity.WARNING, relevantElementMatcher:function(a) {
return axs.browserUtils.matchSelector(a, "[role~=main]")
}, test:function(a) {
if(axs.utils.isInlineElement(a)) {
return!0
}
a = axs.properties.getTextFromDescendantContent(a);
return!a || 50 > a.length ? !0 : !1
}, code:"AX_ARIA_04"};
axs.AuditRule.specs.elementsWithMeaningfulBackgroundImage = {name:"elementsWithMeaningfulBackgroundImage", severity:axs.constants.Severity.WARNING, relevantElementMatcher:function(a) {
return!axs.utils.isElementOrAncestorHidden(a)
}, heading:"Meaningful images should not be used in element backgrounds", url:"https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#-ax_image_01--meaningful-images-should-not-be-used-in-element-backgrounds", test:function(a) {
if(a.textContent && 0 < a.textContent.length) {
return!1
}
a = window.getComputedStyle(a, null);
var b = a.backgroundImage;
if(!b || "undefined" === b || "none" === b || 0 != b.indexOf("url")) {
return!1
}
b = parseInt(a.width, 10);
a = parseInt(a.height, 10);
return 150 > b && 150 > a
}, code:"AX_IMAGE_01"};
axs.AuditRule.specs.nonExistentAriaLabelledbyElement = {name:"nonExistentAriaLabelledbyElement", heading:"aria-labelledby attributes should refer to an element which exists in the DOM", url:"https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#-ax_aria_02--aria-labelledby-attributes-should-refer-to-an-element-which-exists-in-the-dom", severity:axs.constants.Severity.WARNING, relevantElementMatcher:function(a) {
return axs.browserUtils.matchSelector(a, "[aria-labelledby]")
}, test:function(a) {
a = a.getAttribute("aria-labelledby").split(/\s+/);
for(var b = 0;b < a.length;b++) {
if(!document.getElementById(a[b])) {
return!0
}
}
return!1
}, code:"AX_ARIA_02"};
axs.AuditRule.specs.pageWithoutTitle = {name:"pageWithoutTitle", heading:"The web page should have a title that describes topic or purpose", url:"", severity:axs.constants.Severity.WARNING, relevantElementMatcher:function(a) {
return"html" == a.tagName.toLowerCase()
}, test:function(a) {
a = a.querySelector("head");
return a ? (a = a.querySelector("title")) ? !a.textContent : !0 : !0
}, code:"AX_TITLE_01"};
axs.AuditRule.specs.requiredAriaAttributeMissing = {name:"requiredAriaAttributeMissing", heading:"Elements with ARIA roles must have all required attributes for that role", url:"https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#-ax_aria_03--elements-with-aria-roles-must-have-all-required-attributes-for-that-role", severity:axs.constants.Severity.SEVERE, relevantElementMatcher:function(a) {
return axs.browserUtils.matchSelector(a, "[role]")
}, test:function(a) {
var b = axs.utils.getRoles(a);
if(!b.valid) {
return!1
}
for(var c = 0;c < b.roles.length;c++) {
var d = b.roles[c].details.requiredPropertiesSet, e;
for(e in d) {
if(d = e.replace(/^aria-/, ""), !("defaultValue" in axs.constants.ARIA_PROPERTIES[d] || a.hasAttribute(e))) {
return!0
}
}
}
}, code:"AX_ARIA_03"};
axs.AuditRule.specs.unfocusableElementsWithOnClick = {name:"unfocusableElementsWithOnClick", heading:"Elements with onclick handlers must be focusable", url:"https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#-ax_focus_02--elements-with-onclick-handlers-must-be-focusable", severity:axs.constants.Severity.WARNING, opt_requiresConsoleAPI:!0, relevantElementMatcher:function(a) {
return a instanceof a.ownerDocument.defaultView.HTMLBodyElement || axs.utils.isElementOrAncestorHidden(a) ? !1 : "click" in getEventListeners(a) ? !0 : !1
}, test:function(a) {
return!a.hasAttribute("tabindex") && !axs.utils.isElementImplicitlyFocusable(a)
}, code:"AX_FOCUS_02"};
axs.AuditRule.specs.videoWithoutCaptions = {name:"videoWithoutCaptions", heading:"Video elements should use <track> elements to provide captions", url:"https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#-ax_video_01--video-elements-should-use-track-elements-to-provide-captions", severity:axs.constants.Severity.WARNING, relevantElementMatcher:function(a) {
return axs.browserUtils.matchSelector(a, "video")
}, test:function(a) {
return!a.querySelectorAll("track[kind=captions]").length
}, code:"AX_VIDEO_01"};