diff options
Diffstat (limited to 'chromium/third_party/accessibility-audit/axs_testing.js')
| -rw-r--r-- | chromium/third_party/accessibility-audit/axs_testing.js | 1359 |
1 files changed, 726 insertions, 633 deletions
diff --git a/chromium/third_party/accessibility-audit/axs_testing.js b/chromium/third_party/accessibility-audit/axs_testing.js index 323141fed56..f0e6f4a3512 100644 --- a/chromium/third_party/accessibility-audit/axs_testing.js +++ b/chromium/third_party/accessibility-audit/axs_testing.js @@ -1,5 +1,5 @@ /* - * Copyright 2013 Google Inc. + * Copyright 2014 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -13,7 +13,7 @@ * 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 + * Generated from http://github.com/GoogleChrome/accessibility-developer-tools/tree/3d4893b4ecd0eb8f4765e04479213d04b240f3e0 * * See project README for build steps. */ @@ -22,79 +22,85 @@ var COMPILED = !0, goog = goog || {}; goog.global = this; +goog.isDef = function(a) { + return void 0 !== a; +}; goog.exportPath_ = function(a, b, c) { a = a.split("."); c = c || goog.global; a[0] in c || !c.execScript || c.execScript("var " + a[0]); - for(var d;a.length && (d = a.shift());) { - a.length || void 0 === b ? c = c[d] ? c[d] : c[d] = {} : c[d] = b + for (var d;a.length && (d = a.shift());) { + !a.length && goog.isDef(b) ? c[d] = b : c = c[d] ? c[d] : c[d] = {}; } }; goog.define = function(a, b) { var c = b; - COMPILED || goog.global.CLOSURE_DEFINES && Object.prototype.hasOwnProperty.call(goog.global.CLOSURE_DEFINES, a) && (c = goog.global.CLOSURE_DEFINES[a]); - goog.exportPath_(a, c) + COMPILED || (goog.global.CLOSURE_UNCOMPILED_DEFINES && Object.prototype.hasOwnProperty.call(goog.global.CLOSURE_UNCOMPILED_DEFINES, a) ? c = goog.global.CLOSURE_UNCOMPILED_DEFINES[a] : goog.global.CLOSURE_DEFINES && Object.prototype.hasOwnProperty.call(goog.global.CLOSURE_DEFINES, a) && (c = goog.global.CLOSURE_DEFINES[a])); + goog.exportPath_(a, c); }; goog.DEBUG = !0; goog.LOCALE = "en"; goog.TRUSTED_SITE = !0; +goog.STRICT_MODE_COMPATIBLE = !1; goog.provide = function(a) { - if(!COMPILED) { - if(goog.isProvided_(a)) { + if (!COMPILED) { + if (goog.isProvided_(a)) { throw Error('Namespace "' + a + '" already declared.'); } delete goog.implicitNamespaces_[a]; - for(var b = a;(b = b.substring(0, b.lastIndexOf("."))) && !goog.getObjectByName(b);) { - goog.implicitNamespaces_[b] = !0 + for (var b = a;(b = b.substring(0, b.lastIndexOf("."))) && !goog.getObjectByName(b);) { + goog.implicitNamespaces_[b] = !0; } } - goog.exportPath_(a) + goog.exportPath_(a); }; goog.setTestOnly = function(a) { - if(COMPILED && !goog.DEBUG) { + if (COMPILED && !goog.DEBUG) { throw a = a || "", Error("Importing test-only code into non-debug environment" + a ? ": " + a : "."); } }; +goog.forwardDeclare = function(a) { +}; COMPILED || (goog.isProvided_ = function(a) { - return!goog.implicitNamespaces_[a] && !!goog.getObjectByName(a) + return!goog.implicitNamespaces_[a] && goog.isDefAndNotNull(goog.getObjectByName(a)); }, goog.implicitNamespaces_ = {}); goog.getObjectByName = function(a, b) { - for(var c = a.split("."), d = b || goog.global, e;e = c.shift();) { - if(goog.isDefAndNotNull(d[e])) { - d = d[e] - }else { - return null + for (var c = a.split("."), d = b || goog.global, e;e = c.shift();) { + if (goog.isDefAndNotNull(d[e])) { + d = d[e]; + } else { + return null; } } - return d + return d; }; goog.globalize = function(a, b) { var c = b || goog.global, d; - for(d in a) { - c[d] = a[d] + for (d in a) { + c[d] = a[d]; } }; goog.addDependency = function(a, b, c) { - if(goog.DEPENDENCIES_ENABLED) { + if (goog.DEPENDENCIES_ENABLED) { var d; a = a.replace(/\\/g, "/"); - for(var e = goog.dependencies_, f = 0;d = b[f];f++) { - e.nameToPath[d] = a, a in e.pathToNames || (e.pathToNames[a] = {}), e.pathToNames[a][d] = !0 + for (var e = goog.dependencies_, f = 0;d = b[f];f++) { + e.nameToPath[d] = a, a in e.pathToNames || (e.pathToNames[a] = {}), e.pathToNames[a][d] = !0; } - for(d = 0;b = c[d];d++) { - a in e.requires || (e.requires[a] = {}), e.requires[a][b] = !0 + for (d = 0;b = c[d];d++) { + a in e.requires || (e.requires[a] = {}), e.requires[a][b] = !0; } } }; goog.ENABLE_DEBUG_LOADER = !0; goog.require = function(a) { - if(!COMPILED && !goog.isProvided_(a)) { - if(goog.ENABLE_DEBUG_LOADER) { + if (!COMPILED && !goog.isProvided_(a)) { + if (goog.ENABLE_DEBUG_LOADER) { var b = goog.getPathFromDeps_(a); - if(b) { + if (b) { goog.included_[b] = !0; goog.writeScripts_(); - return + return; } } a = "goog.require could not find: " + a; @@ -106,159 +112,159 @@ goog.basePath = ""; goog.nullFunction = function() { }; goog.identityFunction = function(a, b) { - return a + return a; }; goog.abstractMethod = function() { throw Error("unimplemented abstract method"); }; goog.addSingletonGetter = function(a) { a.getInstance = function() { - if(a.instance_) { - return a.instance_ + if (a.instance_) { + return a.instance_; } goog.DEBUG && (goog.instantiatedSingletons_[goog.instantiatedSingletons_.length] = a); - return a.instance_ = new a - } + return a.instance_ = new a; + }; }; goog.instantiatedSingletons_ = []; goog.DEPENDENCIES_ENABLED = !COMPILED && goog.ENABLE_DEBUG_LOADER; goog.DEPENDENCIES_ENABLED && (goog.included_ = {}, goog.dependencies_ = {pathToNames:{}, nameToPath:{}, requires:{}, visited:{}, written:{}}, goog.inHtmlDocument_ = function() { var a = goog.global.document; - return"undefined" != typeof a && "write" in a + return "undefined" != typeof a && "write" in a; }, goog.findBasePath_ = function() { - if(goog.global.CLOSURE_BASE_PATH) { - goog.basePath = goog.global.CLOSURE_BASE_PATH - }else { - if(goog.inHtmlDocument_()) { - for(var a = goog.global.document.getElementsByTagName("script"), b = a.length - 1;0 <= b;--b) { + if (goog.global.CLOSURE_BASE_PATH) { + goog.basePath = goog.global.CLOSURE_BASE_PATH; + } else { + if (goog.inHtmlDocument_()) { + for (var a = goog.global.document.getElementsByTagName("script"), b = a.length - 1;0 <= b;--b) { var c = a[b].src, d = c.lastIndexOf("?"), d = -1 == d ? c.length : d; - if("base.js" == c.substr(d - 7, 7)) { + if ("base.js" == c.substr(d - 7, 7)) { goog.basePath = c.substr(0, d - 7); - break + break; } } } } }, goog.importScript_ = function(a) { var b = goog.global.CLOSURE_IMPORT_SCRIPT || goog.writeScriptTag_; - !goog.dependencies_.written[a] && b(a) && (goog.dependencies_.written[a] = !0) + !goog.dependencies_.written[a] && b(a) && (goog.dependencies_.written[a] = !0); }, goog.writeScriptTag_ = function(a) { - if(goog.inHtmlDocument_()) { + if (goog.inHtmlDocument_()) { var b = goog.global.document; - if("complete" == b.readyState) { - if(/\bdeps.js$/.test(a)) { - return!1 + if ("complete" == b.readyState) { + if (/\bdeps.js$/.test(a)) { + return!1; } throw Error('Cannot write "' + a + '" after document load'); } b.write('<script type="text/javascript" src="' + a + '">\x3c/script>'); - return!0 + return!0; } - return!1 + return!1; }, goog.writeScripts_ = function() { function a(e) { - if(!(e in d.written)) { - if(!(e in d.visited) && (d.visited[e] = !0, e in d.requires)) { - for(var g in d.requires[e]) { - if(!goog.isProvided_(g)) { - if(g in d.nameToPath) { - a(d.nameToPath[g]) - }else { + if (!(e in d.written)) { + if (!(e in d.visited) && (d.visited[e] = !0, e in d.requires)) { + for (var g in d.requires[e]) { + if (!goog.isProvided_(g)) { + if (g in d.nameToPath) { + a(d.nameToPath[g]); + } else { throw Error("Undefined nameToPath for " + g); } } } } - e in c || (c[e] = !0, b.push(e)) + e in c || (c[e] = !0, b.push(e)); } } var b = [], c = {}, d = goog.dependencies_, e; - for(e in goog.included_) { - d.written[e] || a(e) + for (e in goog.included_) { + d.written[e] || a(e); } - for(e = 0;e < b.length;e++) { - if(b[e]) { - goog.importScript_(goog.basePath + b[e]) - }else { + for (e = 0;e < b.length;e++) { + if (b[e]) { + goog.importScript_(goog.basePath + b[e]); + } else { throw Error("Undefined script input"); } } }, goog.getPathFromDeps_ = function(a) { - return a in goog.dependencies_.nameToPath ? goog.dependencies_.nameToPath[a] : null + return a in goog.dependencies_.nameToPath ? goog.dependencies_.nameToPath[a] : null; }, goog.findBasePath_(), goog.global.CLOSURE_NO_DEPS || goog.importScript_(goog.basePath + "deps.js")); goog.typeOf = function(a) { var b = typeof a; - if("object" == b) { - if(a) { - if(a instanceof Array) { - return"array" + if ("object" == b) { + if (a) { + if (a instanceof Array) { + return "array"; } - if(a instanceof Object) { - return b + if (a instanceof Object) { + return b; } var c = Object.prototype.toString.call(a); - if("[object Window]" == c) { - return"object" + if ("[object Window]" == c) { + return "object"; } - if("[object Array]" == c || "number" == typeof a.length && "undefined" != typeof a.splice && "undefined" != typeof a.propertyIsEnumerable && !a.propertyIsEnumerable("splice")) { - return"array" + if ("[object Array]" == c || "number" == typeof a.length && "undefined" != typeof a.splice && "undefined" != typeof a.propertyIsEnumerable && !a.propertyIsEnumerable("splice")) { + return "array"; } - if("[object Function]" == c || "undefined" != typeof a.call && "undefined" != typeof a.propertyIsEnumerable && !a.propertyIsEnumerable("call")) { - return"function" + if ("[object Function]" == c || "undefined" != typeof a.call && "undefined" != typeof a.propertyIsEnumerable && !a.propertyIsEnumerable("call")) { + return "function"; } - }else { - return"null" + } else { + return "null"; } - }else { - if("function" == b && "undefined" == typeof a.call) { - return"object" + } else { + if ("function" == b && "undefined" == typeof a.call) { + return "object"; } } - return b -}; -goog.isDef = function(a) { - return void 0 !== a + return b; }; goog.isNull = function(a) { - return null === a + return null === a; }; goog.isDefAndNotNull = function(a) { - return null != a + return null != a; }; goog.isArray = function(a) { - return"array" == goog.typeOf(a) + return "array" == goog.typeOf(a); }; goog.isArrayLike = function(a) { var b = goog.typeOf(a); - return"array" == b || "object" == b && "number" == typeof a.length + return "array" == b || "object" == b && "number" == typeof a.length; }; goog.isDateLike = function(a) { - return goog.isObject(a) && "function" == typeof a.getFullYear + return goog.isObject(a) && "function" == typeof a.getFullYear; }; goog.isString = function(a) { - return"string" == typeof a + return "string" == typeof a; }; goog.isBoolean = function(a) { - return"boolean" == typeof a + return "boolean" == typeof a; }; goog.isNumber = function(a) { - return"number" == typeof a + return "number" == typeof a; }; goog.isFunction = function(a) { - return"function" == goog.typeOf(a) + return "function" == goog.typeOf(a); }; goog.isObject = function(a) { var b = typeof a; - return"object" == b && null != a || "function" == b + return "object" == b && null != a || "function" == b; }; goog.getUid = function(a) { - return a[goog.UID_PROPERTY_] || (a[goog.UID_PROPERTY_] = ++goog.uidCounter_) + return a[goog.UID_PROPERTY_] || (a[goog.UID_PROPERTY_] = ++goog.uidCounter_); +}; +goog.hasUid = function(a) { + return!!a[goog.UID_PROPERTY_]; }; goog.removeUid = function(a) { "removeAttribute" in a && a.removeAttribute(goog.UID_PROPERTY_); try { - delete a[goog.UID_PROPERTY_] - }catch(b) { + delete a[goog.UID_PROPERTY_]; + } catch (b) { } }; goog.UID_PROPERTY_ = "closure_uid_" + (1E9 * Math.random() >>> 0); @@ -267,73 +273,73 @@ goog.getHashCode = goog.getUid; goog.removeHashCode = goog.removeUid; goog.cloneObject = function(a) { var b = goog.typeOf(a); - if("object" == b || "array" == b) { - if(a.clone) { - return a.clone() + if ("object" == b || "array" == b) { + if (a.clone) { + return a.clone(); } var b = "array" == b ? [] : {}, c; - for(c in a) { - b[c] = goog.cloneObject(a[c]) + for (c in a) { + b[c] = goog.cloneObject(a[c]); } - return b + return b; } - return a + return a; }; goog.bindNative_ = function(a, b, c) { - return a.call.apply(a.bind, arguments) + return a.call.apply(a.bind, arguments); }; goog.bindJs_ = function(a, b, c) { - if(!a) { + if (!a) { throw Error(); } - if(2 < arguments.length) { + if (2 < arguments.length) { var d = Array.prototype.slice.call(arguments, 2); return function() { var c = Array.prototype.slice.call(arguments); Array.prototype.unshift.apply(c, d); - return a.apply(b, c) - } + return a.apply(b, c); + }; } return function() { - return a.apply(b, arguments) - } + return a.apply(b, arguments); + }; }; goog.bind = function(a, b, c) { Function.prototype.bind && -1 != Function.prototype.bind.toString().indexOf("native code") ? goog.bind = goog.bindNative_ : goog.bind = goog.bindJs_; - return goog.bind.apply(null, arguments) + return goog.bind.apply(null, arguments); }; goog.partial = function(a, b) { var c = Array.prototype.slice.call(arguments, 1); return function() { - var b = Array.prototype.slice.call(arguments); - b.unshift.apply(b, c); - return a.apply(this, b) - } + var b = c.slice(); + b.push.apply(b, arguments); + return a.apply(this, b); + }; }; goog.mixin = function(a, b) { - for(var c in b) { - a[c] = b[c] + for (var c in b) { + a[c] = b[c]; } }; goog.now = goog.TRUSTED_SITE && Date.now || function() { - return+new Date + return+new Date; }; goog.globalEval = function(a) { - if(goog.global.execScript) { - goog.global.execScript(a, "JavaScript") - }else { - if(goog.global.eval) { - if(null == goog.evalWorksForGlobals_ && (goog.global.eval("var _et_ = 1;"), "undefined" != typeof goog.global._et_ ? (delete goog.global._et_, goog.evalWorksForGlobals_ = !0) : goog.evalWorksForGlobals_ = !1), goog.evalWorksForGlobals_) { - goog.global.eval(a) - }else { + if (goog.global.execScript) { + goog.global.execScript(a, "JavaScript"); + } else { + if (goog.global.eval) { + if (null == goog.evalWorksForGlobals_ && (goog.global.eval("var _et_ = 1;"), "undefined" != typeof goog.global._et_ ? (delete goog.global._et_, goog.evalWorksForGlobals_ = !0) : goog.evalWorksForGlobals_ = !1), goog.evalWorksForGlobals_) { + goog.global.eval(a); + } else { var b = goog.global.document, c = b.createElement("script"); c.type = "text/javascript"; c.defer = !1; c.appendChild(b.createTextNode(a)); b.body.appendChild(c); - b.body.removeChild(c) + b.body.removeChild(c); } - }else { + } else { throw Error("goog.globalEval not available"); } } @@ -341,39 +347,39 @@ goog.globalEval = function(a) { goog.evalWorksForGlobals_ = null; goog.getCssName = function(a, b) { var c = function(a) { - return goog.cssNameMapping_[a] || a + return goog.cssNameMapping_[a] || a; }, d = function(a) { a = a.split("-"); - for(var b = [], d = 0;d < a.length;d++) { - b.push(c(a[d])) + for (var b = [], d = 0;d < a.length;d++) { + b.push(c(a[d])); } - return b.join("-") + return b.join("-"); }, d = goog.cssNameMapping_ ? "BY_WHOLE" == goog.cssNameMappingStyle_ ? c : d : function(a) { - return a + return a; }; - return b ? a + "-" + d(b) : d(a) + return b ? a + "-" + d(b) : d(a); }; goog.setCssNameMapping = function(a, b) { goog.cssNameMapping_ = a; - goog.cssNameMappingStyle_ = b + goog.cssNameMappingStyle_ = b; }; !COMPILED && goog.global.CLOSURE_CSS_NAME_MAPPING && (goog.cssNameMapping_ = goog.global.CLOSURE_CSS_NAME_MAPPING); goog.getMsg = function(a, b) { var c = b || {}, d; - for(d in c) { + for (d in c) { var e = ("" + c[d]).replace(/\$/g, "$$$$"); - a = a.replace(RegExp("\\{\\$" + d + "\\}", "gi"), e) + a = a.replace(new RegExp("\\{\\$" + d + "\\}", "gi"), e); } - return a + return a; }; goog.getMsgWithFallback = function(a, b) { - return a + return a; }; goog.exportSymbol = function(a, b, c) { - goog.exportPath_(a, b, c) + goog.exportPath_(a, b, c); }; goog.exportProperty = function(a, b, c) { - a[b] = c + a[b] = c; }; goog.inherits = function(a, b) { function c() { @@ -381,37 +387,41 @@ goog.inherits = function(a, b) { c.prototype = b.prototype; a.superClass_ = b.prototype; a.prototype = new c; - a.prototype.constructor = a + a.prototype.constructor = a; + a.base = function(a, c, f) { + var g = Array.prototype.slice.call(arguments, 2); + return b.prototype[c].apply(a, g); + }; }; goog.base = function(a, b, c) { var d = arguments.callee.caller; - if(goog.DEBUG && !d) { - throw Error("arguments.caller not defined. goog.base() expects not to be running in strict mode. See http://www.ecma-international.org/ecma-262/5.1/#sec-C"); - } - if(d.superClass_) { - return d.superClass_.constructor.apply(a, Array.prototype.slice.call(arguments, 1)) - } - for(var e = Array.prototype.slice.call(arguments, 2), f = !1, g = a.constructor;g;g = g.superClass_ && g.superClass_.constructor) { - if(g.prototype[b] === d) { - f = !0 - }else { - if(f) { - return g.prototype[b].apply(a, e) + if (goog.STRICT_MODE_COMPATIBLE || goog.DEBUG && !d) { + throw Error("arguments.caller not defined. goog.base() cannot be used with strict mode code. See http://www.ecma-international.org/ecma-262/5.1/#sec-C"); + } + if (d.superClass_) { + return d.superClass_.constructor.apply(a, Array.prototype.slice.call(arguments, 1)); + } + for (var e = Array.prototype.slice.call(arguments, 2), f = !1, g = a.constructor;g;g = g.superClass_ && g.superClass_.constructor) { + if (g.prototype[b] === d) { + f = !0; + } else { + if (f) { + return g.prototype[b].apply(a, e); } } } - if(a[b] === d) { - return a.constructor.prototype[b].apply(a, e) + if (a[b] === d) { + return a.constructor.prototype[b].apply(a, e); } throw Error("goog.base called from a method of one name to a method of a different name"); }; goog.scope = function(a) { - a.call(goog.global) + a.call(goog.global); }; var axs = {}; axs.browserUtils = {}; axs.browserUtils.matchSelector = function(a, b) { - return a.webkitMatchesSelector ? a.webkitMatchesSelector(b) : a.mozMatchesSelector ? a.mozMatchesSelector(b) : !1 + 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", @@ -431,28 +441,28 @@ namerequired:!0, parent:["input"], properties:["aria-activedescendant", "aria-au 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++) { + 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.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 (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) + 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) { +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; @@ -462,7 +472,7 @@ for(var roleName in axs.constants.ARIA_ROLES) { var parentRolesSet = {}; axs.constants.addAllParentRolesToSet_(role, parentRolesSet); role.allParentRolesSet = parentRolesSet; - "widget" in parentRolesSet && (axs.constants.WIDGET_ROLES[roleName] = role) + "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", @@ -485,13 +495,13 @@ axs.constants.TAG_TO_INFORMATION_TABLE_VERBOSE_MSG = {A:"tag_link", BUTTON:"tag_ 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) { + 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 + if (b.values) { + for (var c = {}, d = 0;d < b.values.length;d++) { + c[b.values[d]] = !0; } - b.valuesSet = c + b.valuesSet = c; } } })(); @@ -504,287 +514,331 @@ axs.utils.Color = function(a, b, c, d) { this.red = a; this.green = b; this.blue = c; - this.alpha = d + this.alpha = d; }; axs.utils.calculateContrastRatio = function(a, b) { - if(!a || !b) { - return null + 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) + return(Math.max(c, d) + .05) / (Math.min(c, d) + .05); }; axs.utils.luminanceRatio = function(a, b) { - return(Math.max(a, b) + 0.05) / (Math.min(a, b) + 0.05) + return(Math.max(a, b) + .05) / (Math.min(a, b) + .05); +}; +axs.utils.parentElement = function(a) { + if (!a) { + return null; + } + if (a.nodeType == Node.DOCUMENT_FRAGMENT_NODE) { + return a.host; + } + var b = a.parentElement; + if (b) { + return b; + } + a = a.parentNode; + if (!a) { + return null; + } + switch(a.nodeType) { + case Node.ELEMENT_NODE: + return a; + case Node.DOCUMENT_FRAGMENT_NODE: + return a.host; + default: + return null; + } }; 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 + if ("script" == a.tagName.toLowerCase()) { + return null; } break; case Node.TEXT_NODE: - a = a.parentElement; + a = axs.utils.parentElement(a); break; default: - return console.warn("Unhandled node type: ", a.nodeType), null + return console.warn("Unhandled node type: ", a.nodeType), null; } - return a + return a; }; axs.utils.elementIsTransparent = function(a) { - return"0" == a.style.opacity + 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 + 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 + for (var b = axs.utils.parentElement(a), c = a.ownerDocument.defaultView;b != c.document.body;) { + if (axs.utils.isClippedBy(a, b)) { + return!0; + } + if (axs.utils.canScrollTo(a, b) && !axs.utils.elementIsOutsideScrollArea(b)) { + return!1; + } + b = axs.utils.parentElement(b); + } + return!axs.utils.canScrollTo(a, c.document.body); +}; +axs.utils.canScrollTo = function(a, b) { + var c = a.getBoundingClientRect(), d = b.getBoundingClientRect(), e = d.top, f = d.left, g = e - b.scrollTop, e = e - b.scrollTop + b.scrollHeight, h = f - b.scrollLeft + b.scrollWidth; + if (c.right < f - b.scrollLeft || c.bottom < g || c.left > h || c.top > e) { + return!1; + } + f = a.ownerDocument.defaultView; + g = f.getComputedStyle(b); + return c.left > d.right || c.top > d.bottom ? "scroll" == g.overflow || "auto" == g.overflow || b instanceof f.HTMLBodyElement : !0; +}; +axs.utils.isClippedBy = function(a, b) { + var c = a.getBoundingClientRect(), d = b.getBoundingClientRect(), e = d.top - b.scrollTop, f = d.left - b.scrollLeft, g = a.ownerDocument.defaultView.getComputedStyle(b); + return(c.right < d.left || c.bottom < d.top || c.left > d.right || c.top > d.bottom) && "hidden" == g.overflow ? !0 : c.right < f || c.bottom < e ? "visible" != g.overflow : !1; }; axs.utils.isAncestor = function(a, b) { - return null == b ? !1 : b === a ? !0 : axs.utils.isAncestor(a, b.parentNode) + 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 + if (axs.utils.elementHasZeroArea(a)) { + return null; } - for(var b = [], c = a.getClientRects(), d = 0;d < c.length;d++) { + 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)) { + 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) + f && (f = axs.utils.getBgColor(f, e)) && 0 < f.alpha && 0 > b.indexOf(e) && b.push(e); } } - return b + 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 + 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 + 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 + 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) { + if (c) { b = parseInt(c[1], 10); - if(c = window.getComputedStyle(document.body, null).fontSize.match(/(\d+)px/)) { + 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 + } else { + c = 19.2, d = 24; } - return a && b >= c || b >= d + 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+)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+)%/)) { + 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 + if (c = b.match(/(\d+)pt/)) { + if (b = parseInt(c[1], 10), a && 14 <= b || 18 <= b) { + return!0; } } - return!1 + return!1; }; axs.utils.getBgColor = function(a, b) { var c = axs.utils.parseColor(a.backgroundColor); - if(!c) { - return null + if (!c) { + return null; } 1 > a.opacity && (c.alpha *= a.opacity); - if(1 > c.alpha) { + if (1 > c.alpha) { var d = axs.utils.getParentBgColor(b); - if(null == d) { - return null + if (null == d) { + return null; } - c = axs.utils.flattenColors(c, d) + c = axs.utils.flattenColors(c, d); } - return c + return c; }; axs.utils.getParentBgColor = function(a) { var b = a; a = []; - for(var c = null;b = b.parentElement;) { + for (var c = null;b = axs.utils.parentElement(b);) { var d = window.getComputedStyle(b, null); - if(d) { + 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))) { + if (e && (1 > d.opacity && (e.alpha *= d.opacity), 0 != e.alpha && (a.push(e), 1 == e.alpha))) { c = !0; - break + 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) + for (b = a.pop();a.length;) { + c = a.pop(), b = axs.utils.flattenColors(c, b); } - return b + return b; }; axs.utils.getFgColor = function(a, b, c) { var d = axs.utils.parseColor(a.color); - if(!d) { - return null + 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 + return d; }; axs.utils.parseColor = function(a) { var b = a.match(/^rgb\((\d+), (\d+), (\d+)\)$/); - if(b) { + 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 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 + 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) + 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() + ")" + 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 + return c ? (a + .05) * b - .05 : (a + .05) / b - .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]) + 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 + 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 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 + .02, m), n = axs.utils.luminanceFromContrastRatio(f, k + .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 + 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); + h = axs.utils.luminanceFromContrastRatio(g, h + .02, !m); + g = axs.utils.luminanceFromContrastRatio(g, k + .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 + 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)) + 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] + 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)]] + 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))) + 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 + for (var c = [[], [], []], d = 0;3 > d;d++) { + for (var e = 0;3 > e;e++) { + c[d][e] = a[d][e] * b; } } - return c + return c; }; -axs.utils.kR = 0.2126; -axs.utils.kB = 0.0722; +axs.utils.kR = .2126; +axs.utils.kB = .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] + 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] + 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 + 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]) + b = .03928 >= b ? b / 12.92 : Math.pow((b + .055) / 1.055, 2.4); + c = .03928 >= c ? c / 12.92 : Math.pow((c + .055) / 1.055, 2.4); + a = .03928 >= a ? a / 12.92 : Math.pow((a + .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 = .00303949 >= c ? 12.92 * c : 1.055 * Math.pow(c, 1 / 2.4) - .055; + a = .00303949 >= a ? 12.92 * a : 1.055 * Math.pow(a, 1 / 2.4) - .055; + b = .00303949 >= b ? 12.92 * b : 1.055 * Math.pow(b, 1 / 2.4) - .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) + 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 + for (var c = [[], [], []], d = 0;3 > d;d++) { + for (var e = 0;3 > e;e++) { + c[d][e] = a[d][e] * b; } } - return c + 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] + 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 + return c; }; axs.utils.getContrastRatioForElement = function(a) { var b = window.getComputedStyle(a, null); - return axs.utils.getContrastRatioForElementWithComputedStyle(b, a) + return axs.utils.getContrastRatioForElementWithComputedStyle(b, a); }; axs.utils.getContrastRatioForElementWithComputedStyle = function(a, b) { - if(axs.utils.isElementHidden(b)) { - return null + if (axs.utils.isElementHidden(b)) { + return null; } var c = axs.utils.getBgColor(a, b); - if(!c) { - return null + if (!c) { + return null; } var d = axs.utils.getFgColor(a, b, c); - return d ? axs.utils.calculateContrastRatio(d, c) : null + 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 ("textarea" == b) { + return!0; } - if("input" != b) { - return!1 + if ("input" != b) { + return!1; } switch(a) { case "email": @@ -804,62 +858,62 @@ axs.utils.isNativeTextElement = function(a) { case "": return!0; default: - return!1 + 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 + 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 + 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 + for (b = axs.utils.parentElement(a);b;) { + if ("label" == b.tagName.toLowerCase() && b.control == a) { + return!0; } - b = b.parentElement + b = axs.utils.parentElement(b); } - return!1 + return!1; }; axs.utils.isElementHidden = function(a) { - if(!(a instanceof a.ownerDocument.defaultView.HTMLElement)) { - return!1 + if (!(a instanceof a.ownerDocument.defaultView.HTMLElement)) { + return!1; } - if(a.hasAttribute("chromevoxignoreariahidden")) { + 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 + 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 + return axs.utils.isElementHidden(a) ? !0 : axs.utils.parentElement(a) ? axs.utils.isElementOrAncestorHidden(axs.utils.parentElement(a)) : !1; }; axs.utils.isInlineElement = function(a) { a = a.tagName.toUpperCase(); - return axs.constants.InlineElements[a] + return axs.constants.InlineElements[a]; }; axs.utils.getRoles = function(a) { - if(!a.hasAttribute("role")) { - return!1 + if (!a.hasAttribute("role")) { + return!1; } a = a.getAttribute("role").split(" "); - for(var b = [], c = !0, d = 0;d < a.length;d++) { + 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) + 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} + 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 + 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 + if (!e) { + return d.valid = !1, d.reason = '"' + a + '" is not a valid ARIA property', d; } switch(e) { case "idref": @@ -867,16 +921,16 @@ axs.utils.getAriaPropertyValue = function(a, b, c) { 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] + 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 + 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; @@ -889,371 +943,378 @@ axs.utils.getAriaPropertyValue = function(a, b, c) { 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] + 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 + 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 + 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) + 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)} + 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 = "" + 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} + 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 + '"'} + 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'} + 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} + 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 + 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]) + for (c in a) { + a.hasOwnProperty(c) && "function" != typeof a[c] && b.push(a[c]); } - return b + 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]) + for (c in a) { + a.hasOwnProperty(c) && "function" != typeof a[c] && (b[c] = a[c]); } - return b + return b; }; axs.utils.getQuerySelectorText = function(a) { - if(null == a || "HTML" == a.tagName) { - return"html" + if (null == a || "HTML" == a.tagName) { + return "html"; } - if("BODY" == a.tagName) { - return"body" + if ("BODY" == a.tagName) { + return "body"; } - if(a.hasAttribute) { - if(a.id) { - return"#" + a.id + 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] + 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++) { + 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 + if (e === a) { + break; } } - }else { - d = 1 + } else { + d = 1; } - return 1 == d ? axs.utils.getQuerySelectorText(a.parentNode) + " > " + b : axs.utils.getQuerySelectorText(a.parentNode) + " > " + b + ":nth-of-type(" + d + ")" + return 1 == d ? axs.utils.getQuerySelectorText(a.parentNode) + " > " + b : axs.utils.getQuerySelectorText(a.parentNode) + " > " + b + ":nth-of-type(" + d + ")"; } - if(a.parentNode) { + if (a.parentNode) { b = a.parentNode.children; d = 1; - for(c = 0;b[c] !== a;) { - b[c].tagName == a.tagName && d++, c++ + 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 + ")" + return 1 == d ? c + a.tagName : c + a.tagName + ":nth-of-type(" + d + ")"; } - }else { - if(a.selectorText) { - return a.selectorText + } else { + if (a.selectorText) { + return a.selectorText; } } - return"" + 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 + if (0 == Object.keys(b).length) { + return null; + } + var d = axs.utils.elementIsTransparent(a), e = axs.utils.elementHasZeroArea(a), f = axs.utils.elementIsOutsideScrollArea(a), g = axs.utils.overlappingElements(a); + if (d || e || f || 0 < g.length) { + var c = axs.utils.isElementOrAncestorHidden(a), h = {value:!1, valid:c}; + d && (h.transparent = !0); + e && (h.zeroArea = !0); + f && (h.outsideScrollArea = !0); + g && 0 < g.length && (h.overlappingElements = g); + d = {value:c, valid:c}; + c && (d.reason = axs.properties.getHiddenReason(a)); + h.hidden = d; + 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 && a instanceof a.ownerDocument.defaultView.HTMLElement)) { + return null; } - if(a.hasAttribute("chromevoxignoreariahidden")) { + 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) + 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(axs.utils.parentElement(a)); }; axs.properties.getColorProperties = function(a) { var b = {}; (a = axs.properties.getContrastRatioProperties(a)) && (b.contrastRatio = a); - return 0 == Object.keys(b).length ? null : b + 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) { + 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 + break; } } - return c + return c; }; axs.properties.getContrastRatioProperties = function(a) { - if(!axs.properties.hasDirectTextDescendant(a)) { - return null + if (!axs.properties.hasDirectTextDescendant(a)) { + return null; } var b = {}, c = window.getComputedStyle(a, null), d = axs.utils.getBgColor(c, a); - if(!d) { - return null + 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 + 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 + return b; }; -axs.properties.findTextAlternatives = function(a, b, c) { - var d = c || !1; +axs.properties.findTextAlternatives = function(a, b, c, d) { + var e = c || !1; c = axs.utils.asElement(a); - if(!c || !d && axs.utils.isElementOrAncestorHidden(c)) { - return null + if (!c || !e && !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 + 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) { + e || (a = axs.properties.getTextFromAriaLabelledby(c, b)); + c.hasAttribute("aria-label") && (d = {type:"text"}, d.text = c.getAttribute("aria-label"), d.lastWord = axs.properties.getLastWord(d.text), a ? d.unused = !0 : e && axs.utils.elementIsHtmlControl(c) || (a = d.text), b.ariaLabel = d); + c.hasAttribute("role") && "presentation" == c.getAttribute("role") || (a = axs.properties.getTextFromHostLanguageAttributes(c, b, a, e)); + if (e && axs.utils.elementIsHtmlControl(c)) { + d = c.ownerDocument.defaultView; + if (c instanceof d.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}) + "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")}) + c instanceof d.HTMLSelectElement && (b.controlValue = {text:c.value}); + b.controlValue && (d = b.controlValue, a ? d.unused = !0 : a = d.text); + } + if (e && axs.utils.elementIsAriaWidget(c)) { + e = c.getAttribute("role"); + "textbox" == e && c.textContent && 0 < c.textContent.length && (b.controlValue = {text:c.textContent}); + if ("slider" == e || "spinbutton" == e) { + 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 ("menu" == e) { + var g = c.querySelectorAll("[role=menuitemcheckbox], [role=menuitemradio]"); + d = []; + for (f = 0;f < g.length;f++) { + "true" == g[f].getAttribute("aria-checked") && d.push(g[f]); } - if(0 < e.length) { + if (0 < d.length) { g = ""; - for(f = 0;f < e.length;f++) { - g += axs.properties.findTextAlternatives(e[f], {}, !0), f < e.length - 1 && (g += ", ") + for (f = 0;f < d.length;f++) { + g += axs.properties.findTextAlternatives(d[f], {}, !0), f < d.length - 1 && (g += ", "); } - b.controlValue = {text:g} + b.controlValue = {text:g}; } } - if("combobox" == d || "select" == d) { - b.controlValue = {text:"TODO"} + if ("combobox" == e || "select" == e) { + b.controlValue = {text:"TODO"}; } - b.controlValue && (e = b.controlValue, a ? e.unused = !0 : a = e.text) + b.controlValue && (d = b.controlValue, a ? d.unused = !0 : a = d.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 + d = !0; + c.hasAttribute("role") && (e = c.getAttribute("role"), (e = axs.constants.ARIA_ROLES[e]) && (!e.namefrom || 0 > e.namefrom.indexOf("contents")) && (d = !1)); + (e = axs.properties.getTextFromDescendantContent(c)) && d && (d = {type:"text"}, d.text = e, d.lastWord = axs.properties.getLastWord(d.text), a ? d.unused = !0 : a = e, b.content = d); + c.hasAttribute("title") && (e = {type:"string", valid:!0}, e.text = c.getAttribute("title"), e.lastWord = axs.properties.getLastWord(e.lastWord), a ? e.unused = !0 : a = e.text, b.title = e); + 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()) + var b = a.childNodes; + a = []; + for (var c = 0;c < b.length;c++) { + var d = axs.properties.findTextAlternatives(b[c], {}, !0); + d && a.push(d.trim()); + } + if (a.length) { + b = ""; + for (c = 0;c < a.length;c++) { + b = [b, a[c]].join(" ").trim(); + } + return b; } - return b.length ? b.join(" ") : null + return null; }; axs.properties.getTextFromAriaLabelledby = function(a, b) { var c = null; - if(!a.hasAttribute("aria-labelledby")) { - return c + 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++) { + 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) + 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++) { + return c; +}; +axs.properties.getTextFromHostLanguageAttributes = function(a, b, c, d) { + if (axs.browserUtils.matchSelector(a, "img")) { + if (a.hasAttribute("alt")) { + var e = {type:"string", valid:!0}; + e.text = a.getAttribute("alt"); + c ? e.unused = !0 : c = e.text; + b.alt = e; + } else { + e = {valid:!1, errorMessage:"No alt value provided"}, b.alt = e, e = a.src, "string" == typeof e && (c = e.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])') && !d) { + if (a.hasAttribute("id")) { + d = document.querySelectorAll('label[for="' + a.id + '"]'); + for (var 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) + 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) + 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)) { + d = axs.utils.parentElement(a); + 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 + break; } - d = d.parentElement + d = axs.utils.parentElement(d); } e.text && (c ? e.unused = !0 : c = e.text, b.labelWrapped = e); - Object.keys(b).length || (b.noLabel = !0) + Object.keys(b).length || (b.noLabel = !0); } - return c + return c; }; axs.properties.getLastWord = function(a) { - if(!a) { - return null + if (!a) { + return null; } var b = a.lastIndexOf(" ") + 1, c = a.length - 10; - return a.substring(b > c ? b : c) + 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 + a = axs.properties.findTextAlternatives(a, b, !1, !0); + if (0 == Object.keys(b).length) { + if (!a) { + return null; } - b.hasProperties = !1 - }else { - b.hasProperties = !0 + b.hasProperties = !1; + } else { + b.hasProperties = !0; } b.computedText = a; b.lastWord = axs.properties.getLastWord(a); - return b + return b; }; axs.properties.getAriaProperties = function(a) { var b = {}, c = axs.properties.getGlobalAriaProperties(a), d; - for(d in axs.constants.ARIA_PROPERTIES) { + for (d in axs.constants.ARIA_PROPERTIES) { var e = "aria-" + d; - if(a.hasAttribute(e)) { + if (a.hasAttribute(e)) { var f = a.getAttribute(e); - c[e] = axs.utils.getAriaPropertyValue(e, f, a) + 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 + if (!f) { + return Object.keys(b).length ? b : null; } b.roles = f; - if(!f.valid || !f.roles) { - return b + if (!f.valid || !f.roles) { + return b; } - for(var e = f.roles, g = 0;g < e.length;g++) { + 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"})) + 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 + 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++) { + for (var b = {}, c = 0;c < axs.constants.GLOBAL_PROPERTIES.length;c++) { var d = axs.constants.GLOBAL_PROPERTIES[c]; - if(a.hasAttribute(d)) { + if (a.hasAttribute(d)) { var e = a.getAttribute(d); - b[d] = axs.utils.getAriaPropertyValue(d, e, a) + b[d] = axs.utils.getAriaPropertyValue(d, e, a); } } - return b + return b; }; axs.properties.getVideoProperties = function(a) { - if(!axs.browserUtils.matchSelector(a, "video")) { - return null + 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 + 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 + 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++) { + 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 = ""; @@ -1261,15 +1322,15 @@ axs.properties.getTrackElements = function(a, b) { k && (h += "(" + k + ")"); "" == h && (h = "[[object Object]]"); g.name = h; - e.push(g) + e.push(g); } d.values = e; - return d + return d; }; axs.properties.getAllProperties = function(a) { var b = axs.utils.asElement(a); - if(!b) { - return{} + if (!b) { + return{}; } var c = {}; c.ariaProperties = axs.properties.getAriaProperties(b); @@ -1277,15 +1338,15 @@ axs.properties.getAllProperties = function(a) { c.focusProperties = axs.properties.getFocusProperties(b); c.textProperties = axs.properties.getTextProperties(a); c.videoProperties = axs.properties.getVideoProperties(b); - return c + return c; }; axs.AuditRule = function(a) { - for(var b = !0, c = [], d = 0;d < axs.AuditRule.requiredFields.length;d++) { + 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)) + 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); + 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; @@ -1294,20 +1355,37 @@ axs.AuditRule = function(a) { this.code = a.code; this.heading = a.heading || ""; this.url = a.url || ""; - this.requiresConsoleAPI = !!a.opt_requiresConsoleAPI + 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 + a.push(b); +}; +axs.AuditRule.collectMatchingElements = function(a, b, c, d) { + if (a.nodeType == Node.ELEMENT_NODE) { + var e = a + } + e && b.call(null, e) && c.push(e); + if (e) { + var f = e.shadowRoot || e.webkitShadowRoot; + if (f) { + axs.AuditRule.collectMatchingElements(f, b, c, f); + return; + } } - d && b.call(null, d) && c.push(d); - for(a = a.firstChild;null != a;) { - axs.AuditRule.collectMatchingElements(a, b, c), a = a.nextSibling + if (e && "content" == e.localName) { + for (e = e.getDistributedNodes(), a = 0;a < e.length;a++) { + axs.AuditRule.collectMatchingElements(e[a], b, c, d); + } + } else { + if (e && "shadow" == e.localName) { + a = e, d ? (d = d.olderShadowRoot || a.olderShadowRoot) && axs.AuditRule.collectMatchingElements(d, b, c, d) : console.warn("ShadowRoot not provided for", e); + } else { + for (e = a.firstChild;null != e;) { + axs.AuditRule.collectMatchingElements(e, b, c, d), e = e.nextSibling; + } + } } }; axs.AuditRule.prototype.run = function(a) { @@ -1315,77 +1393,77 @@ axs.AuditRule.prototype.run = function(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} + if (!d.length) { + return{result:axs.constants.AuditResult.NA}; } - for(a = 0;a < d.length && !(null != c && e.length >= c);a++) { + 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])) { + for (var h = 0;h < b.length;h++) { + if (axs.browserUtils.matchSelector(g, b[h])) { g = !0; - break a + break a; } } - g = !1 + g = !1; } - !g && this.test_(f) && this.addElement(e, f) + !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 + return b; }; axs.AuditRule.specs = {}; axs.AuditRules = {}; axs.AuditRules.getRule = function(a) { - if(!axs.AuditRules.rules) { + if (!axs.AuditRules.rules) { axs.AuditRules.rules = {}; - for(var b in axs.AuditRule.specs) { + for (var b in axs.AuditRule.specs) { var c = axs.AuditRule.specs[b], d = new axs.AuditRule(c); - axs.AuditRules.rules[c.name] = d + axs.AuditRules.rules[c.name] = d; } } - return axs.AuditRules.rules[a] + return axs.AuditRules.rules[a]; }; axs.AuditResults = function() { this.errors_ = []; - this.warnings_ = [] + this.warnings_ = []; }; goog.exportSymbol("axs.AuditResults", axs.AuditResults); axs.AuditResults.prototype.addError = function(a) { - "" != a && this.errors_.push(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) + "" != a && this.warnings_.push(a); }; goog.exportProperty(axs.AuditResults.prototype, "addWarning", axs.AuditResults.prototype.addWarning); axs.AuditResults.prototype.numErrors = function() { - return this.errors_.length + return this.errors_.length; }; goog.exportProperty(axs.AuditResults.prototype, "numErrors", axs.AuditResults.prototype.numErrors); axs.AuditResults.prototype.numWarnings = function() { - return this.warnings_.length + return this.warnings_.length; }; goog.exportProperty(axs.AuditResults.prototype, "numWarnings", axs.AuditResults.prototype.numWarnings); axs.AuditResults.prototype.getErrors = function() { - return this.errors_ + return this.errors_; }; goog.exportProperty(axs.AuditResults.prototype, "getErrors", axs.AuditResults.prototype.getErrors); axs.AuditResults.prototype.getWarnings = function() { - return this.warnings_ + 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++) { + 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") + 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" + for (b = 0;b < this.warnings_.length;b++) { + 0 == b && (a += "\nWarnings:\n"), c = this.warnings_[b], a += c + "\n\n"; } - return a + return a; }; goog.exportProperty(axs.AuditResults.prototype, "toString", axs.AuditResults.prototype.toString); axs.Audit = {}; @@ -1393,42 +1471,53 @@ axs.AuditConfiguration = function() { this.rules_ = {}; this.maxResults = this.auditRulesToIgnore = this.auditRulesToRun = this.scope = null; this.withConsoleApi = !1; + this.showUnsupportedRulesWarning = !0; 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.exportProperty(this, "withConsoleApi", this.withConsoleApi); + goog.exportProperty(this, "showUnsupportedRulesWarning", this.showUnsupportedRulesWarning); }; 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) + 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 : [] + 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 + this.rules_[a].severity = b; }, getSeverity:function(a) { - return a in this.rules_ && "severity" in this.rules_[a] ? this.rules_[a].severity : null + 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.unsupportedRulesWarningShown = !1; +axs.Audit.getRulesCannotRun = function(a) { + return a.withConsoleApi ? [] : Object.keys(axs.AuditRule.specs).filter(function(a) { + return axs.AuditRules.getRule(a).requiresConsoleAPI; + }).map(function(a) { + return axs.AuditRules.getRule(a).code; + }); +}; 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++) { + 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) + 0 > d.indexOf(f) || d.splice(d.indexOf(f), 1); } } - for(e = 0;e < d.length;e++) { + !axs.Audit.unsupportedRulesWarningShown && a.showUnsupportedRulesWarning && (e = axs.Audit.getRulesCannotRun(a), 0 < e.length && (console.warn("Some rules cannot be checked using the axs.Audit.run() method call. Use the Chrome plugin to check these rules: " + e.join(", ")), console.warn("To remove this message, pass an AuditConfiguration object to axs.Audit.run() and set configuration.showUnsupportedRulesWarning = false.")), axs.Audit.unsupportedRulesWarningShown = !0); + for (e = 0;e < d.length;e++) { var f = d[e], g = axs.AuditRules.getRule(f); - if(g && !g.disabled && (b || !g.requiresConsoleAPI)) { + if (g && !g.disabled && (b || !g.requiresConsoleAPI)) { var h = {}, k = a.getIgnoreSelectors(g.name); - if(0 < k.length || a.scope) { - h.ignoreSelectors = k + if (0 < k.length || a.scope) { + h.ignoreSelectors = k; } a.scope && (h.scope = a.scope); a.maxResults && (h.maxResults = a.maxResults); @@ -1436,183 +1525,187 @@ axs.Audit.run = function(a) { g = axs.utils.namedValues(g); g.severity = a.getSeverity(f) || g.severity; h.rule = g; - c.push(h) + c.push(h); } } - return c + 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++) { + 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))) + 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 + 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 ***" + 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++) { + 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 + 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 + 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]") + return axs.browserUtils.matchSelector(a, "audio[autoplay]"); }, test:function(a) { - return!a.querySelectorAll("[controls]").length && 3 < a.duration + 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 + "]," + for (c in axs.constants.ARIA_PROPERTIES) { + b += "[aria-" + c + "],"; } b = b.substring(0, b.length - 1); - return axs.browserUtils.matchSelector(a, b) + return axs.browserUtils.matchSelector(a, b); }, test:function(a) { - for(var b in axs.constants.ARIA_PROPERTIES) { + for (var b in axs.constants.ARIA_PROPERTIES) { var c = "aria-" + b; - if(a.hasAttribute(c)) { + if (a.hasAttribute(c)) { var d = a.getAttribute(c); - if(!axs.utils.getAriaPropertyValue(c, d, a).valid) { - return!0 + if (!axs.utils.getAriaPropertyValue(c, d, a).valid) { + return!0; } } } - return!1 + 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]") + return axs.browserUtils.matchSelector(a, "[role]"); }, test:function(a) { - return!axs.utils.getRoles(a).valid + 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 (!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 + if (0 <= a.tabIndex) { + return!0; } - for(a = a.parentElement;null != a;a = a.parentElement) { - if(axs.utils.elementIsAriaWidget(a)) { - return!1 + for (a = axs.utils.parentElement(a);null != a;a = axs.utils.parentElement(a)) { + if (axs.utils.elementIsAriaWidget(a)) { + return!1; } } - return!0 + 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+$/g, "").length ? !1 : axs.utils.hasLabel(a) ? !1 : !0 + return axs.utils.isElementOrAncestorHidden(a) || "input" == a.tagName.toLowerCase() && "button" == a.type && a.value.length || "button" == a.tagName.toLowerCase() && a.textContent.replace(/^\s+|\s+$/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 (!axs.browserUtils.matchSelector(a, axs.utils.FOCUSABLE_ELEMENTS_SELECTOR)) { + return!1; } - if(0 <= a.tabIndex) { - return!0 + if (0 <= a.tabIndex) { + return!0; } - for(a = a.parentElement;null != a;a = a.parentElement) { - if(axs.utils.elementIsAriaWidget(a)) { - return!1 + for (a = axs.utils.parentElement(a);null != a;a = axs.utils.parentElement(a)) { + if (axs.utils.elementIsAriaWidget(a)) { + return!1; } } - return!0 + return!0; }, test:function(a) { - return axs.utils.isElementOrAncestorHidden(a) ? !1 : !axs.utils.elementIsVisible(a) + if (axs.utils.isElementOrAncestorHidden(a)) { + return!1; + } + a.focus(); + return!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) + return axs.browserUtils.matchSelector(a, "img") && !axs.utils.isElementOrAncestorHidden(a); }, test:function(a) { - return!a.hasAttribute("alt") && "presentation" != a.getAttribute("role") + 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") + return axs.browserUtils.matchSelector(a, "a"); }, test:function(a) { - return/^\s*click\s*here\s*[^a-z]?$/i.test(a.textContent) + return/^\s*click\s*here\s*[^a-z]?$/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) + 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) + 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]") + return axs.browserUtils.matchSelector(a, "[role~=main]"); }, test:function(a) { - if(axs.utils.isInlineElement(a)) { - return!0 + if (axs.utils.isInlineElement(a)) { + return!0; } a = axs.properties.getTextFromDescendantContent(a); - return!a || 50 > a.length ? !0 : !1 + 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) + 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 + 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 + 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 + 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]") + 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 + for (var b = 0;b < a.length;b++) { + if (!document.getElementById(a[b])) { + return!0; } } - return!1 + 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() + return "html" == a.tagName.toLowerCase(); }, test:function(a) { a = a.querySelector("head"); - return a ? (a = a.querySelector("title")) ? !a.textContent : !0 : !0 + 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]") + return axs.browserUtils.matchSelector(a, "[role]"); }, test:function(a) { var b = axs.utils.getRoles(a); - if(!b.valid) { - return!1 + if (!b.valid) { + return!1; } - for(var c = 0;c < b.roles.length;c++) { + 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 + 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 + 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) + return!a.hasAttribute("tabindex") && !axs.utils.isElementImplicitlyFocusable(a) && !a.disabled; }, 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") + return axs.browserUtils.matchSelector(a, "video"); }, test:function(a) { - return!a.querySelectorAll("track[kind=captions]").length + return!a.querySelectorAll("track[kind=captions]").length; }, code:"AX_VIDEO_01"}; |