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Andreas Hocevar
2015-03-16 18:50:27 +01:00
parent 7985f030fa
commit 57ee7f52fd
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mapbox-gl/closure-library/closure/goog/a11y/aria/announcer.js
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// Copyright 2007 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview Announcer that allows messages to be spoken by assistive
* technologies.
*/
goog.provide('goog.a11y.aria.Announcer');
goog.require('goog.Disposable');
goog.require('goog.a11y.aria');
goog.require('goog.a11y.aria.LivePriority');
goog.require('goog.a11y.aria.State');
goog.require('goog.dom');
goog.require('goog.object');
/**
* Class that allows messages to be spoken by assistive technologies that the
* user may have active.
*
* @param {goog.dom.DomHelper=} opt_domHelper DOM helper.
* @constructor
* @extends {goog.Disposable}
* @final
*/
goog.a11y.aria.Announcer = function(opt_domHelper) {
goog.a11y.aria.Announcer.base(this, 'constructor');
/**
* @type {goog.dom.DomHelper}
* @private
*/
this.domHelper_ = opt_domHelper || goog.dom.getDomHelper();
/**
* Map of priority to live region elements to use for communicating updates.
* Elements are created on demand.
* @type {Object<goog.a11y.aria.LivePriority, !Element>}
* @private
*/
this.liveRegions_ = {};
};
goog.inherits(goog.a11y.aria.Announcer, goog.Disposable);
/** @override */
goog.a11y.aria.Announcer.prototype.disposeInternal = function() {
goog.object.forEach(
this.liveRegions_, this.domHelper_.removeNode, this.domHelper_);
this.liveRegions_ = null;
this.domHelper_ = null;
goog.a11y.aria.Announcer.base(this, 'disposeInternal');
};
/**
* Announce a message to be read by any assistive technologies the user may
* have active.
* @param {string} message The message to announce to screen readers.
* @param {goog.a11y.aria.LivePriority=} opt_priority The priority of the
* message. Defaults to POLITE.
*/
goog.a11y.aria.Announcer.prototype.say = function(message, opt_priority) {
var priority = opt_priority || goog.a11y.aria.LivePriority.POLITE;
var liveRegion = this.getLiveRegion_(priority);
goog.dom.setTextContent(liveRegion, message);
};
/**
* Returns an aria-live region that can be used to communicate announcements.
* @param {!goog.a11y.aria.LivePriority} priority The required priority.
* @return {!Element} A live region of the requested priority.
* @private
*/
goog.a11y.aria.Announcer.prototype.getLiveRegion_ = function(priority) {
// Removing the previous live region ensures that the newest message is always
// read without delay, even if the message is an exact duplicate of the prior
// message.
this.removeLiveRegion_(priority);
var liveRegion = this.domHelper_.createElement('div');
// Note that IE has a habit of declaring things that aren't display:none as
// invisible to third-party tools like JAWs, so we can't just use height:0.
liveRegion.style.position = 'absolute';
liveRegion.style.top = '-1000px';
liveRegion.style.height = '1px';
liveRegion.style.overflow = 'hidden';
goog.a11y.aria.setState(liveRegion, goog.a11y.aria.State.LIVE,
priority);
goog.a11y.aria.setState(liveRegion, goog.a11y.aria.State.ATOMIC,
'true');
this.domHelper_.getDocument().body.appendChild(liveRegion);
this.liveRegions_[priority] = liveRegion;
return liveRegion;
};
/**
* Removes any previous live region that was used to communicate announcements.
* @param {!goog.a11y.aria.LivePriority} priority The required priority.
* @private
*/
goog.a11y.aria.Announcer.prototype.removeLiveRegion_ = function(priority) {
var liveRegion = this.liveRegions_[priority];
if (liveRegion) {
this.domHelper_.removeNode(liveRegion);
delete this.liveRegions_[priority];
}
};
mapbox-gl/closure-library/closure/goog/a11y/aria/announcer_test.html
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<!DOCTYPE html>
<html>
<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--
Author: attila@google.com (Attila Bodis)
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>
Closure Unit Tests - goog.a11y.aria announcer
</title>
<script src="../../base.js">
</script>
<script>
goog.require('goog.a11y.aria.AnnouncerTest');
</script>
</head>
<body>
<div id="sandbox">
</div>
</body>
</html>
mapbox-gl/closure-library/closure/goog/a11y/aria/announcer_test.js
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// Copyright 2008 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('goog.a11y.aria.AnnouncerTest');
goog.setTestOnly('goog.a11y.aria.AnnouncerTest');
goog.require('goog.a11y.aria');
goog.require('goog.a11y.aria.Announcer');
goog.require('goog.a11y.aria.LivePriority');
goog.require('goog.a11y.aria.State');
goog.require('goog.array');
goog.require('goog.dom');
goog.require('goog.dom.iframe');
goog.require('goog.testing.jsunit');
var sandbox;
var someDiv;
var someSpan;
function setUp() {
sandbox = goog.dom.getElement('sandbox');
someDiv = goog.dom.createDom('div', {id: 'someDiv'}, 'DIV');
someSpan = goog.dom.createDom('span', {id: 'someSpan'}, 'SPAN');
sandbox.appendChild(someDiv);
someDiv.appendChild(someSpan);
}
function tearDown() {
sandbox.innerHTML = '';
someDiv = null;
someSpan = null;
}
function testAnnouncerAndDispose() {
var text = 'test content';
var announcer = new goog.a11y.aria.Announcer(goog.dom.getDomHelper());
announcer.say(text);
checkLiveRegionContains(text, 'polite');
goog.dispose(announcer);
}
function testAnnouncerTwice() {
var text = 'test content1';
var text2 = 'test content2';
var announcer = new goog.a11y.aria.Announcer(goog.dom.getDomHelper());
announcer.say(text);
announcer.say(text2);
checkLiveRegionContains(text2, 'polite');
goog.dispose(announcer);
}
function testAnnouncerTwiceSameMessage() {
var text = 'test content';
var announcer = new goog.a11y.aria.Announcer(goog.dom.getDomHelper());
announcer.say(text);
var firstLiveRegion = getLiveRegion('polite');
announcer.say(text);
var secondLiveRegion = getLiveRegion('polite');
assertNotEquals(firstLiveRegion, secondLiveRegion);
checkLiveRegionContains(text, 'polite');
goog.dispose(announcer);
}
function testAnnouncerAssertive() {
var text = 'test content';
var announcer = new goog.a11y.aria.Announcer(goog.dom.getDomHelper());
announcer.say(text, goog.a11y.aria.LivePriority.ASSERTIVE);
checkLiveRegionContains(text, 'assertive');
goog.dispose(announcer);
}
function testAnnouncerInIframe() {
var text = 'test content';
var frame = goog.dom.iframe.createWithContent(sandbox);
var helper = goog.dom.getDomHelper(
goog.dom.getFrameContentDocument(frame).body);
var announcer = new goog.a11y.aria.Announcer(helper);
announcer.say(text, 'polite', helper);
checkLiveRegionContains(text, 'polite', helper);
goog.dispose(announcer);
}
function testAnnouncerWithAriaHidden() {
var text = 'test content1';
var text2 = 'test content2';
var announcer = new goog.a11y.aria.Announcer(goog.dom.getDomHelper());
announcer.say(text);
// Set aria-hidden attribute on the live region (simulates a modal dialog
// being opened).
var liveRegion = getLiveRegion('polite');
goog.a11y.aria.setState(liveRegion, goog.a11y.aria.State.HIDDEN, true);
// Announce a new message and make sure that the aria-hidden was removed.
announcer.say(text2);
checkLiveRegionContains(text2, 'polite');
liveRegion = getLiveRegion('polite');
assertEquals('',
goog.a11y.aria.getState(liveRegion, goog.a11y.aria.State.HIDDEN));
goog.dispose(announcer);
}
function getLiveRegion(priority, opt_domHelper) {
var dom = opt_domHelper || goog.dom.getDomHelper();
var divs = dom.getElementsByTagNameAndClass('div', null);
var liveRegions = [];
goog.array.forEach(divs, function(div) {
if (goog.a11y.aria.getState(div, 'live') == priority) {
liveRegions.push(div);
}
});
assertEquals(1, liveRegions.length);
return liveRegions[0];
}
function checkLiveRegionContains(text, priority, opt_domHelper) {
var liveRegion = getLiveRegion(priority, opt_domHelper);
assertEquals(text, goog.dom.getTextContent(liveRegion));
}
mapbox-gl/closure-library/closure/goog/a11y/aria/aria.js
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// Copyright 2007 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview Utilities for adding, removing and setting ARIA roles and
* states as defined by W3C ARIA standard: http://www.w3.org/TR/wai-aria/
* All modern browsers have some form of ARIA support, so no browser checks are
* performed when adding ARIA to components.
*
*/
goog.provide('goog.a11y.aria');
goog.require('goog.a11y.aria.Role');
goog.require('goog.a11y.aria.State');
goog.require('goog.a11y.aria.datatables');
goog.require('goog.array');
goog.require('goog.asserts');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.object');
goog.require('goog.string');
/**
* ARIA states/properties prefix.
* @private
*/
goog.a11y.aria.ARIA_PREFIX_ = 'aria-';
/**
* ARIA role attribute.
* @private
*/
goog.a11y.aria.ROLE_ATTRIBUTE_ = 'role';
/**
* A list of tag names for which we don't need to set ARIA role and states
* because they have well supported semantics for screen readers or because
* they don't contain content to be made accessible.
* @private
*/
goog.a11y.aria.TAGS_WITH_ASSUMED_ROLES_ = [
goog.dom.TagName.A,
goog.dom.TagName.AREA,
goog.dom.TagName.BUTTON,
goog.dom.TagName.HEAD,
goog.dom.TagName.INPUT,
goog.dom.TagName.LINK,
goog.dom.TagName.MENU,
goog.dom.TagName.META,
goog.dom.TagName.OPTGROUP,
goog.dom.TagName.OPTION,
goog.dom.TagName.PROGRESS,
goog.dom.TagName.STYLE,
goog.dom.TagName.SELECT,
goog.dom.TagName.SOURCE,
goog.dom.TagName.TEXTAREA,
goog.dom.TagName.TITLE,
goog.dom.TagName.TRACK
];
/**
* Sets the role of an element. If the roleName is
* empty string or null, the role for the element is removed.
* We encourage clients to call the goog.a11y.aria.removeRole
* method instead of setting null and empty string values.
* Special handling for this case is added to ensure
* backword compatibility with existing code.
*
* @param {!Element} element DOM node to set role of.
* @param {!goog.a11y.aria.Role|string} roleName role name(s).
*/
goog.a11y.aria.setRole = function(element, roleName) {
if (!roleName) {
// Setting the ARIA role to empty string is not allowed
// by the ARIA standard.
goog.a11y.aria.removeRole(element);
} else {
if (goog.asserts.ENABLE_ASSERTS) {
goog.asserts.assert(goog.object.containsValue(
goog.a11y.aria.Role, roleName), 'No such ARIA role ' + roleName);
}
element.setAttribute(goog.a11y.aria.ROLE_ATTRIBUTE_, roleName);
}
};
/**
* Gets role of an element.
* @param {!Element} element DOM element to get role of.
* @return {goog.a11y.aria.Role} ARIA Role name.
*/
goog.a11y.aria.getRole = function(element) {
var role = element.getAttribute(goog.a11y.aria.ROLE_ATTRIBUTE_);
return /** @type {goog.a11y.aria.Role} */ (role) || null;
};
/**
* Removes role of an element.
* @param {!Element} element DOM element to remove the role from.
*/
goog.a11y.aria.removeRole = function(element) {
element.removeAttribute(goog.a11y.aria.ROLE_ATTRIBUTE_);
};
/**
* Sets the state or property of an element.
* @param {!Element} element DOM node where we set state.
* @param {!(goog.a11y.aria.State|string)} stateName State attribute being set.
* Automatically adds prefix 'aria-' to the state name if the attribute is
* not an extra attribute.
* @param {string|boolean|number|!Array<string>} value Value
* for the state attribute.
*/
goog.a11y.aria.setState = function(element, stateName, value) {
if (goog.isArray(value)) {
value = value.join(' ');
}
var attrStateName = goog.a11y.aria.getAriaAttributeName_(stateName);
if (value === '' || value == undefined) {
var defaultValueMap = goog.a11y.aria.datatables.getDefaultValuesMap();
// Work around for browsers that don't properly support ARIA.
// According to the ARIA W3C standard, user agents should allow
// setting empty value which results in setting the default value
// for the ARIA state if such exists. The exact text from the ARIA W3C
// standard (http://www.w3.org/TR/wai-aria/states_and_properties):
// "When a value is indicated as the default, the user agent
// MUST follow the behavior prescribed by this value when the state or
// property is empty or undefined."
// The defaultValueMap contains the default values for the ARIA states
// and has as a key the goog.a11y.aria.State constant for the state.
if (stateName in defaultValueMap) {
element.setAttribute(attrStateName, defaultValueMap[stateName]);
} else {
element.removeAttribute(attrStateName);
}
} else {
element.setAttribute(attrStateName, value);
}
};
/**
* Toggles the ARIA attribute of an element.
* Meant for attributes with a true/false value, but works with any attribute.
* If the attribute does not have a true/false value, the following rules apply:
* A not empty attribute will be removed.
* An empty attribute will be set to true.
* @param {!Element} el DOM node for which to set attribute.
* @param {!(goog.a11y.aria.State|string)} attr ARIA attribute being set.
* Automatically adds prefix 'aria-' to the attribute name if the attribute
* is not an extra attribute.
*/
goog.a11y.aria.toggleState = function(el, attr) {
var val = goog.a11y.aria.getState(el, attr);
if (!goog.string.isEmptyOrWhitespace(goog.string.makeSafe(val)) &&
!(val == 'true' || val == 'false')) {
goog.a11y.aria.removeState(el, /** @type {!goog.a11y.aria.State} */ (attr));
return;
}
goog.a11y.aria.setState(el, attr, val == 'true' ? 'false' : 'true');
};
/**
* Remove the state or property for the element.
* @param {!Element} element DOM node where we set state.
* @param {!goog.a11y.aria.State} stateName State name.
*/
goog.a11y.aria.removeState = function(element, stateName) {
element.removeAttribute(goog.a11y.aria.getAriaAttributeName_(stateName));
};
/**
* Gets value of specified state or property.
* @param {!Element} element DOM node to get state from.
* @param {!goog.a11y.aria.State|string} stateName State name.
* @return {string} Value of the state attribute.
*/
goog.a11y.aria.getState = function(element, stateName) {
// TODO(user): return properly typed value result --
// boolean, number, string, null. We should be able to chain
// getState(...) and setState(...) methods.
var attr =
/** @type {string|number|boolean} */ (element.getAttribute(
goog.a11y.aria.getAriaAttributeName_(stateName)));
var isNullOrUndefined = attr == null || attr == undefined;
return isNullOrUndefined ? '' : String(attr);
};
/**
* Returns the activedescendant element for the input element by
* using the activedescendant ARIA property of the given element.
* @param {!Element} element DOM node to get activedescendant
* element for.
* @return {?Element} DOM node of the activedescendant, if found.
*/
goog.a11y.aria.getActiveDescendant = function(element) {
var id = goog.a11y.aria.getState(
element, goog.a11y.aria.State.ACTIVEDESCENDANT);
return goog.dom.getOwnerDocument(element).getElementById(id);
};
/**
* Sets the activedescendant ARIA property value for an element.
* If the activeElement is not null, it should have an id set.
* @param {!Element} element DOM node to set activedescendant ARIA property to.
* @param {?Element} activeElement DOM node being set as activedescendant.
*/
goog.a11y.aria.setActiveDescendant = function(element, activeElement) {
var id = '';
if (activeElement) {
id = activeElement.id;
goog.asserts.assert(id, 'The active element should have an id.');
}
goog.a11y.aria.setState(element, goog.a11y.aria.State.ACTIVEDESCENDANT, id);
};
/**
* Gets the label of the given element.
* @param {!Element} element DOM node to get label from.
* @return {string} label The label.
*/
goog.a11y.aria.getLabel = function(element) {
return goog.a11y.aria.getState(element, goog.a11y.aria.State.LABEL);
};
/**
* Sets the label of the given element.
* @param {!Element} element DOM node to set label to.
* @param {string} label The label to set.
*/
goog.a11y.aria.setLabel = function(element, label) {
goog.a11y.aria.setState(element, goog.a11y.aria.State.LABEL, label);
};
/**
* Asserts that the element has a role set if it's not an HTML element whose
* semantics is well supported by most screen readers.
* Only to be used internally by the ARIA library in goog.a11y.aria.*.
* @param {!Element} element The element to assert an ARIA role set.
* @param {!goog.array.ArrayLike<string>} allowedRoles The child roles of
* the roles.
*/
goog.a11y.aria.assertRoleIsSetInternalUtil = function(element, allowedRoles) {
if (goog.array.contains(goog.a11y.aria.TAGS_WITH_ASSUMED_ROLES_,
element.tagName)) {
return;
}
var elementRole = /** @type {string}*/ (goog.a11y.aria.getRole(element));
goog.asserts.assert(elementRole != null,
'The element ARIA role cannot be null.');
goog.asserts.assert(goog.array.contains(allowedRoles, elementRole),
'Non existing or incorrect role set for element.' +
'The role set is "' + elementRole +
'". The role should be any of "' + allowedRoles +
'". Check the ARIA specification for more details ' +
'http://www.w3.org/TR/wai-aria/roles.');
};
/**
* Gets the boolean value of an ARIA state/property.
* @param {!Element} element The element to get the ARIA state for.
* @param {!goog.a11y.aria.State|string} stateName the ARIA state name.
* @return {?boolean} Boolean value for the ARIA state value or null if
* the state value is not 'true', not 'false', or not set.
*/
goog.a11y.aria.getStateBoolean = function(element, stateName) {
var attr =
/** @type {string|boolean} */ (element.getAttribute(
goog.a11y.aria.getAriaAttributeName_(stateName)));
goog.asserts.assert(
goog.isBoolean(attr) || attr == null || attr == 'true' ||
attr == 'false');
if (attr == null) {
return attr;
}
return goog.isBoolean(attr) ? attr : attr == 'true';
};
/**
* Gets the number value of an ARIA state/property.
* @param {!Element} element The element to get the ARIA state for.
* @param {!goog.a11y.aria.State|string} stateName the ARIA state name.
* @return {?number} Number value for the ARIA state value or null if
* the state value is not a number or not set.
*/
goog.a11y.aria.getStateNumber = function(element, stateName) {
var attr =
/** @type {string|number} */ (element.getAttribute(
goog.a11y.aria.getAriaAttributeName_(stateName)));
goog.asserts.assert((attr == null || !isNaN(Number(attr))) &&
!goog.isBoolean(attr));
return attr == null ? null : Number(attr);
};
/**
* Gets the string value of an ARIA state/property.
* @param {!Element} element The element to get the ARIA state for.
* @param {!goog.a11y.aria.State|string} stateName the ARIA state name.
* @return {?string} String value for the ARIA state value or null if
* the state value is empty string or not set.
*/
goog.a11y.aria.getStateString = function(element, stateName) {
var attr = element.getAttribute(
goog.a11y.aria.getAriaAttributeName_(stateName));
goog.asserts.assert((attr == null || goog.isString(attr)) &&
isNaN(Number(attr)) && attr != 'true' && attr != 'false');
return attr == null ? null : attr;
};
/**
* Gets array of strings value of the specified state or
* property for the element.
* Only to be used internally by the ARIA library in goog.a11y.aria.*.
* @param {!Element} element DOM node to get state from.
* @param {!goog.a11y.aria.State} stateName State name.
* @return {!goog.array.ArrayLike<string>} string Array
* value of the state attribute.
*/
goog.a11y.aria.getStringArrayStateInternalUtil = function(element, stateName) {
var attrValue = element.getAttribute(
goog.a11y.aria.getAriaAttributeName_(stateName));
return goog.a11y.aria.splitStringOnWhitespace_(attrValue);
};
/**
* Splits the input stringValue on whitespace.
* @param {string} stringValue The value of the string to split.
* @return {!goog.array.ArrayLike<string>} string Array
* value as result of the split.
* @private
*/
goog.a11y.aria.splitStringOnWhitespace_ = function(stringValue) {
return stringValue ? stringValue.split(/\s+/) : [];
};
/**
* Adds the 'aria-' prefix to ariaName.
* @param {string} ariaName ARIA state/property name.
* @private
* @return {string} The ARIA attribute name with added 'aria-' prefix.
* @throws {Error} If no such attribute exists.
*/
goog.a11y.aria.getAriaAttributeName_ = function(ariaName) {
if (goog.asserts.ENABLE_ASSERTS) {
goog.asserts.assert(ariaName, 'ARIA attribute cannot be empty.');
goog.asserts.assert(goog.object.containsValue(
goog.a11y.aria.State, ariaName),
'No such ARIA attribute ' + ariaName);
}
return goog.a11y.aria.ARIA_PREFIX_ + ariaName;
};
mapbox-gl/closure-library/closure/goog/a11y/aria/aria_test.html
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<!DOCTYPE html>
<html>
<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--
Author: attila@google.com (Attila Bodis)
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>
Closure Unit Tests - goog.a11y.aria
</title>
<script src="../../base.js">
</script>
<script>
goog.require('goog.a11y.ariaTest');
</script>
</head>
<body>
<div id="sandbox">
</div>
</body>
</html>
mapbox-gl/closure-library/closure/goog/a11y/aria/aria_test.js
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// Copyright 2008 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.goog.provide('goog.a11y.ariaTest');
goog.provide('goog.a11y.ariaTest');
goog.setTestOnly('goog.a11y.ariaTest');
goog.require('goog.a11y.aria');
goog.require('goog.a11y.aria.Role');
goog.require('goog.a11y.aria.State');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.testing.jsunit');
var aria = goog.a11y.aria;
var Role = goog.a11y.aria.Role;
var State = goog.a11y.aria.State;
var sandbox;
var someDiv;
var someSpan;
var htmlButton;
function setUp() {
sandbox = goog.dom.getElement('sandbox');
someDiv = goog.dom.createDom(
goog.dom.TagName.DIV, {id: 'someDiv'}, 'DIV');
someSpan = goog.dom.createDom(
goog.dom.TagName.SPAN, {id: 'someSpan'}, 'SPAN');
htmlButton = goog.dom.createDom(
goog.dom.TagName.BUTTON, {id: 'someButton'}, 'BUTTON');
goog.dom.appendChild(sandbox, someDiv);
goog.dom.appendChild(someDiv, someSpan);
}
function tearDown() {
goog.dom.removeChildren(sandbox);
someDiv = null;
someSpan = null;
htmlButton = null;
}
function testGetSetRole() {
assertNull('someDiv\'s role should be null', aria.getRole(someDiv));
assertNull('someSpan\'s role should be null', aria.getRole(someSpan));
aria.setRole(someDiv, Role.MENU);
aria.setRole(someSpan, Role.MENU_ITEM);
assertEquals('someDiv\'s role should be MENU',
Role.MENU, aria.getRole(someDiv));
assertEquals('someSpan\'s role should be MENU_ITEM',
Role.MENU_ITEM, aria.getRole(someSpan));
var div = goog.dom.createElement(goog.dom.TagName.DIV);
goog.dom.appendChild(sandbox, div);
goog.dom.appendChild(div, goog.dom.createDom(goog.dom.TagName.SPAN,
{id: 'anotherSpan', role: Role.CHECKBOX}));
assertEquals('anotherSpan\'s role should be CHECKBOX',
Role.CHECKBOX, aria.getRole(goog.dom.getElement('anotherSpan')));
}
function testGetSetToggleState() {
assertThrows('Should throw because no state is specified.',
function() {
aria.getState(someDiv);
});
assertThrows('Should throw because no state is specified.',
function() {
aria.getState(someDiv);
});
aria.setState(someDiv, State.LABELLEDBY, 'someSpan');
assertEquals('someDiv\'s labelledby state should be "someSpan"',
'someSpan', aria.getState(someDiv, State.LABELLEDBY));
// Test setting for aria-activedescendant with empty value.
assertFalse(someDiv.hasAttribute ?
someDiv.hasAttribute('aria-activedescendant') :
!!someDiv.getAttribute('aria-activedescendant'));
aria.setState(someDiv, State.ACTIVEDESCENDANT, 'someSpan');
assertEquals('someSpan', aria.getState(someDiv, State.ACTIVEDESCENDANT));
aria.setState(someDiv, State.ACTIVEDESCENDANT, '');
assertFalse(someDiv.hasAttribute ?
someDiv.hasAttribute('aria-activedescendant') :
!!someDiv.getAttribute('aria-activedescendant'));
// Test setting state that has a default value to empty value.
assertFalse(someDiv.hasAttribute ?
someDiv.hasAttribute('aria-relevant') :
!!someDiv.getAttribute('aria-relevant'));
aria.setState(someDiv, State.RELEVANT, aria.RelevantValues.TEXT);
assertEquals(
aria.RelevantValues.TEXT, aria.getState(someDiv, State.RELEVANT));
aria.setState(someDiv, State.RELEVANT, '');
assertEquals(
aria.RelevantValues.ADDITIONS + ' ' + aria.RelevantValues.TEXT,
aria.getState(someDiv, State.RELEVANT));
// Test toggling an attribute that has a true/false value.
aria.setState(someDiv, State.EXPANDED, false);
assertEquals('false', aria.getState(someDiv, State.EXPANDED));
aria.toggleState(someDiv, State.EXPANDED);
assertEquals('true', aria.getState(someDiv, State.EXPANDED));
aria.setState(someDiv, State.EXPANDED, true);
assertEquals('true', aria.getState(someDiv, State.EXPANDED));
aria.toggleState(someDiv, State.EXPANDED);
assertEquals('false', aria.getState(someDiv, State.EXPANDED));
// Test toggling an attribute that does not have a true/false value.
aria.setState(someDiv, State.RELEVANT, aria.RelevantValues.TEXT);
assertEquals(
aria.RelevantValues.TEXT, aria.getState(someDiv, State.RELEVANT));
aria.toggleState(someDiv, State.RELEVANT);
assertEquals('', aria.getState(someDiv, State.RELEVANT));
aria.removeState(someDiv, State.RELEVANT);
assertEquals('', aria.getState(someDiv, State.RELEVANT));
// This is not a valid value, but this is what happens if toggle is misused.
aria.toggleState(someDiv, State.RELEVANT);
assertEquals('true', aria.getState(someDiv, State.RELEVANT));
}
function testGetStateString() {
aria.setState(someDiv, State.LABEL, 'test_label');
aria.setState(
someSpan, State.LABEL, aria.getStateString(someDiv, State.LABEL));
assertEquals(aria.getState(someDiv, State.LABEL),
aria.getState(someSpan, State.LABEL));
assertEquals('The someDiv\'s enum value should be "test_label".',
'test_label', aria.getState(someDiv, State.LABEL));
assertEquals('The someSpan\'s enum value should be "copy move".',
'test_label', aria.getStateString(someSpan, State.LABEL));
aria.setState(someDiv, State.MULTILINE, true);
var thrown = false;
try {
aria.getStateString(someDiv, State.MULTILINE);
} catch (e) {
thrown = true;
}
assertTrue('invalid use of getStateString on boolean.', thrown);
aria.setState(someDiv, State.LIVE, aria.LivePriority.ASSERTIVE);
thrown = false;
aria.setState(someDiv, State.LEVEL, 1);
try {
aria.getStateString(someDiv, State.LEVEL);
} catch (e) {
thrown = true;
}
assertTrue('invalid use of getStateString on numbers.', thrown);
}
function testGetStateStringArray() {
aria.setState(someDiv, State.LABELLEDBY, ['1', '2']);
aria.setState(someSpan, State.LABELLEDBY,
aria.getStringArrayStateInternalUtil(someDiv, State.LABELLEDBY));
assertEquals(aria.getState(someDiv, State.LABELLEDBY),
aria.getState(someSpan, State.LABELLEDBY));
assertEquals('The someDiv\'s enum value should be "1 2".', '1 2',
aria.getState(someDiv, State.LABELLEDBY));
assertEquals('The someSpan\'s enum value should be "1 2".', '1 2',
aria.getState(someSpan, State.LABELLEDBY));
assertSameElements('The someDiv\'s enum value should be "1 2".',
['1', '2'],
aria.getStringArrayStateInternalUtil(someDiv, State.LABELLEDBY));
assertSameElements('The someSpan\'s enum value should be "1 2".',
['1', '2'],
aria.getStringArrayStateInternalUtil(someSpan, State.LABELLEDBY));
}
function testGetStateNumber() {
aria.setState(someDiv, State.LEVEL, 1);
aria.setState(
someSpan, State.LEVEL, aria.getStateNumber(someDiv, State.LEVEL));
assertEquals(aria.getState(someDiv, State.LEVEL),
aria.getState(someSpan, State.LEVEL));
assertEquals('The someDiv\'s enum value should be "1".', '1',
aria.getState(someDiv, State.LEVEL));
assertEquals('The someSpan\'s enum value should be "1".', '1',
aria.getState(someSpan, State.LEVEL));
assertEquals('The someDiv\'s enum value should be "1".', 1,
aria.getStateNumber(someDiv, State.LEVEL));
assertEquals('The someSpan\'s enum value should be "1".', 1,
aria.getStateNumber(someSpan, State.LEVEL));
aria.setState(someDiv, State.MULTILINE, true);
var thrown = false;
try {
aria.getStateNumber(someDiv, State.MULTILINE);
} catch (e) {
thrown = true;
}
assertTrue('invalid use of getStateNumber on boolean.', thrown);
aria.setState(someDiv, State.LIVE, aria.LivePriority.ASSERTIVE);
thrown = false;
try {
aria.getStateBoolean(someDiv, State.LIVE);
} catch (e) {
thrown = true;
}
assertTrue('invalid use of getStateNumber on strings.', thrown);
}
function testGetStateBoolean() {
assertNull(aria.getStateBoolean(someDiv, State.MULTILINE));
aria.setState(someDiv, State.MULTILINE, false);
assertFalse(aria.getStateBoolean(someDiv, State.MULTILINE));
aria.setState(someDiv, State.MULTILINE, true);
aria.setState(someSpan, State.MULTILINE,
aria.getStateBoolean(someDiv, State.MULTILINE));
assertEquals(aria.getState(someDiv, State.MULTILINE),
aria.getState(someSpan, State.MULTILINE));
assertEquals('The someDiv\'s enum value should be "true".', 'true',
aria.getState(someDiv, State.MULTILINE));
assertEquals('The someSpan\'s enum value should be "true".', 'true',
aria.getState(someSpan, State.MULTILINE));
assertEquals('The someDiv\'s enum value should be "true".', true,
aria.getStateBoolean(someDiv, State.MULTILINE));
assertEquals('The someSpan\'s enum value should be "true".', true,
aria.getStateBoolean(someSpan, State.MULTILINE));
aria.setState(someDiv, State.LEVEL, 1);
var thrown = false;
try {
aria.getStateBoolean(someDiv, State.LEVEL);
} catch (e) {
thrown = true;
}
assertTrue('invalid use of getStateBoolean on numbers.', thrown);
aria.setState(someDiv, State.LIVE, aria.LivePriority.ASSERTIVE);
thrown = false;
try {
aria.getStateBoolean(someDiv, State.LIVE);
} catch (e) {
thrown = true;
}
assertTrue('invalid use of getStateBoolean on strings.', thrown);
}
function testGetSetActiveDescendant() {
aria.setActiveDescendant(someDiv, null);
assertNull('someDiv\'s activedescendant should be null',
aria.getActiveDescendant(someDiv));
aria.setActiveDescendant(someDiv, someSpan);
assertEquals('someDiv\'s active descendant should be "someSpan"',
someSpan, aria.getActiveDescendant(someDiv));
}
function testGetSetLabel() {
assertEquals('someDiv\'s label should be ""', '', aria.getLabel(someDiv));
aria.setLabel(someDiv, 'somelabel');
assertEquals('someDiv\'s label should be "somelabel"', 'somelabel',
aria.getLabel(someDiv));
}
mapbox-gl/closure-library/closure/goog/a11y/aria/attributes.js
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// Copyright 2013 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview The file contains generated enumerations for ARIA states
* and properties as defined by W3C ARIA standard:
* http://www.w3.org/TR/wai-aria/.
*
* This is auto-generated code. Do not manually edit! For more details
* about how to edit it via the generator check go/closure-ariagen.
*/
goog.provide('goog.a11y.aria.AutoCompleteValues');
goog.provide('goog.a11y.aria.CheckedValues');
goog.provide('goog.a11y.aria.DropEffectValues');
goog.provide('goog.a11y.aria.ExpandedValues');
goog.provide('goog.a11y.aria.GrabbedValues');
goog.provide('goog.a11y.aria.InvalidValues');
goog.provide('goog.a11y.aria.LivePriority');
goog.provide('goog.a11y.aria.OrientationValues');
goog.provide('goog.a11y.aria.PressedValues');
goog.provide('goog.a11y.aria.RelevantValues');
goog.provide('goog.a11y.aria.SelectedValues');
goog.provide('goog.a11y.aria.SortValues');
goog.provide('goog.a11y.aria.State');
/**
* ARIA states and properties.
* @enum {string}
*/
goog.a11y.aria.State = {
// ARIA property for setting the currently active descendant of an element,
// for example the selected item in a list box. Value: ID of an element.
ACTIVEDESCENDANT: 'activedescendant',
// ARIA property that, if true, indicates that all of a changed region should
// be presented, instead of only parts. Value: one of {true, false}.
ATOMIC: 'atomic',
// ARIA property to specify that input completion is provided. Value:
// one of {'inline', 'list', 'both', 'none'}.
AUTOCOMPLETE: 'autocomplete',
// ARIA state to indicate that an element and its subtree are being updated.
// Value: one of {true, false}.
BUSY: 'busy',
// ARIA state for a checked item. Value: one of {'true', 'false', 'mixed',
// undefined}.
CHECKED: 'checked',
// ARIA property that identifies the element or elements whose contents or
// presence are controlled by this element.
// Value: space-separated IDs of other elements.
CONTROLS: 'controls',
// ARIA property that identifies the element or elements that describe
// this element. Value: space-separated IDs of other elements.
DESCRIBEDBY: 'describedby',
// ARIA state for a disabled item. Value: one of {true, false}.
DISABLED: 'disabled',
// ARIA property that indicates what functions can be performed when a
// dragged object is released on the drop target. Value: one of
// {'copy', 'move', 'link', 'execute', 'popup', 'none'}.
DROPEFFECT: 'dropeffect',
// ARIA state for setting whether the element like a tree node is expanded.
// Value: one of {true, false, undefined}.
EXPANDED: 'expanded',
// ARIA property that identifies the next element (or elements) in the
// recommended reading order of content. Value: space-separated ids of
// elements to flow to.
FLOWTO: 'flowto',
// ARIA state that indicates an element's "grabbed" state in drag-and-drop.
// Value: one of {true, false, undefined}.
GRABBED: 'grabbed',
// ARIA property indicating whether the element has a popup.
// Value: one of {true, false}.
HASPOPUP: 'haspopup',
// ARIA state indicating that the element is not visible or perceivable
// to any user. Value: one of {true, false}.
HIDDEN: 'hidden',
// ARIA state indicating that the entered value does not conform. Value:
// one of {false, true, 'grammar', 'spelling'}
INVALID: 'invalid',
// ARIA property that provides a label to override any other text, value, or
// contents used to describe this element. Value: string.
LABEL: 'label',
// ARIA property for setting the element which labels another element.
// Value: space-separated IDs of elements.
LABELLEDBY: 'labelledby',
// ARIA property for setting the level of an element in the hierarchy.
// Value: integer.
LEVEL: 'level',
// ARIA property indicating that an element will be updated, and
// describes the types of updates the user agents, assistive technologies,
// and user can expect from the live region. Value: one of {'off', 'polite',
// 'assertive'}.
LIVE: 'live',
// ARIA property indicating whether a text box can accept multiline input.
// Value: one of {true, false}.
MULTILINE: 'multiline',
// ARIA property indicating if the user may select more than one item.
// Value: one of {true, false}.
MULTISELECTABLE: 'multiselectable',
// ARIA property indicating if the element is horizontal or vertical.
// Value: one of {'vertical', 'horizontal'}.
ORIENTATION: 'orientation',
// ARIA property creating a visual, functional, or contextual parent/child
// relationship when the DOM hierarchy can't be used to represent it.
// Value: Space-separated IDs of elements.
OWNS: 'owns',
// ARIA property that defines an element's number of position in a list.
// Value: integer.
POSINSET: 'posinset',
// ARIA state for a pressed item.
// Value: one of {true, false, undefined, 'mixed'}.
PRESSED: 'pressed',
// ARIA property indicating that an element is not editable.
// Value: one of {true, false}.
READONLY: 'readonly',
// ARIA property indicating that change notifications within this subtree
// of a live region should be announced. Value: one of {'additions',
// 'removals', 'text', 'all', 'additions text'}.
RELEVANT: 'relevant',
// ARIA property indicating that user input is required on this element
// before a form may be submitted. Value: one of {true, false}.
REQUIRED: 'required',
// ARIA state for setting the currently selected item in the list.
// Value: one of {true, false, undefined}.
SELECTED: 'selected',
// ARIA property defining the number of items in a list. Value: integer.
SETSIZE: 'setsize',
// ARIA property indicating if items are sorted. Value: one of {'ascending',
// 'descending', 'none', 'other'}.
SORT: 'sort',
// ARIA property for slider maximum value. Value: number.
VALUEMAX: 'valuemax',
// ARIA property for slider minimum value. Value: number.
VALUEMIN: 'valuemin',
// ARIA property for slider active value. Value: number.
VALUENOW: 'valuenow',
// ARIA property for slider active value represented as text.
// Value: string.
VALUETEXT: 'valuetext'
};
/**
* ARIA state values for AutoCompleteValues.
* @enum {string}
*/
goog.a11y.aria.AutoCompleteValues = {
// The system provides text after the caret as a suggestion
// for how to complete the field.
INLINE: 'inline',
// A list of choices appears from which the user can choose,
// but the edit box retains focus.
LIST: 'list',
// A list of choices appears and the currently selected suggestion
// also appears inline.
BOTH: 'both',
// No input completion suggestions are provided.
NONE: 'none'
};
/**
* ARIA state values for DropEffectValues.
* @enum {string}
*/
goog.a11y.aria.DropEffectValues = {
// A duplicate of the source object will be dropped into the target.
COPY: 'copy',
// The source object will be removed from its current location
// and dropped into the target.
MOVE: 'move',
// A reference or shortcut to the dragged object
// will be created in the target object.
LINK: 'link',
// A function supported by the drop target is
// executed, using the drag source as an input.
EXECUTE: 'execute',
// There is a popup menu or dialog that allows the user to choose
// one of the drag operations (copy, move, link, execute) and any other
// drag functionality, such as cancel.
POPUP: 'popup',
// No operation can be performed; effectively
// cancels the drag operation if an attempt is made to drop on this object.
NONE: 'none'
};
/**
* ARIA state values for LivePriority.
* @enum {string}
*/
goog.a11y.aria.LivePriority = {
// Updates to the region will not be presented to the user
// unless the assitive technology is currently focused on that region.
OFF: 'off',
// (Background change) Assistive technologies SHOULD announce
// updates at the next graceful opportunity, such as at the end of
// speaking the current sentence or when the user pauses typing.
POLITE: 'polite',
// This information has the highest priority and assistive
// technologies SHOULD notify the user immediately.
// Because an interruption may disorient users or cause them to not complete
// their current task, authors SHOULD NOT use the assertive value unless the
// interruption is imperative.
ASSERTIVE: 'assertive'
};
/**
* ARIA state values for OrientationValues.
* @enum {string}
*/
goog.a11y.aria.OrientationValues = {
// The element is oriented vertically.
VERTICAL: 'vertical',
// The element is oriented horizontally.
HORIZONTAL: 'horizontal'
};
/**
* ARIA state values for RelevantValues.
* @enum {string}
*/
goog.a11y.aria.RelevantValues = {
// Element nodes are added to the DOM within the live region.
ADDITIONS: 'additions',
// Text or element nodes within the live region are removed from the DOM.
REMOVALS: 'removals',
// Text is added to any DOM descendant nodes of the live region.
TEXT: 'text',
// Equivalent to the combination of all values, "additions removals text".
ALL: 'all'
};
/**
* ARIA state values for SortValues.
* @enum {string}
*/
goog.a11y.aria.SortValues = {
// Items are sorted in ascending order by this column.
ASCENDING: 'ascending',
// Items are sorted in descending order by this column.
DESCENDING: 'descending',
// There is no defined sort applied to the column.
NONE: 'none',
// A sort algorithm other than ascending or descending has been applied.
OTHER: 'other'
};
/**
* ARIA state values for CheckedValues.
* @enum {string}
*/
goog.a11y.aria.CheckedValues = {
// The selectable element is checked.
TRUE: 'true',
// The selectable element is not checked.
FALSE: 'false',
// Indicates a mixed mode value for a tri-state
// checkbox or menuitemcheckbox.
MIXED: 'mixed',
// The element does not support being checked.
UNDEFINED: 'undefined'
};
/**
* ARIA state values for ExpandedValues.
* @enum {string}
*/
goog.a11y.aria.ExpandedValues = {
// The element, or another grouping element it controls, is expanded.
TRUE: 'true',
// The element, or another grouping element it controls, is collapsed.
FALSE: 'false',
// The element, or another grouping element
// it controls, is neither expandable nor collapsible; all its
// child elements are shown or there are no child elements.
UNDEFINED: 'undefined'
};
/**
* ARIA state values for GrabbedValues.
* @enum {string}
*/
goog.a11y.aria.GrabbedValues = {
// Indicates that the element has been "grabbed" for dragging.
TRUE: 'true',
// Indicates that the element supports being dragged.
FALSE: 'false',
// Indicates that the element does not support being dragged.
UNDEFINED: 'undefined'
};
/**
* ARIA state values for InvalidValues.
* @enum {string}
*/
goog.a11y.aria.InvalidValues = {
// There are no detected errors in the value.
FALSE: 'false',
// The value entered by the user has failed validation.
TRUE: 'true',
// A grammatical error was detected.
GRAMMAR: 'grammar',
// A spelling error was detected.
SPELLING: 'spelling'
};
/**
* ARIA state values for PressedValues.
* @enum {string}
*/
goog.a11y.aria.PressedValues = {
// The element is pressed.
TRUE: 'true',
// The element supports being pressed but is not currently pressed.
FALSE: 'false',
// Indicates a mixed mode value for a tri-state toggle button.
MIXED: 'mixed',
// The element does not support being pressed.
UNDEFINED: 'undefined'
};
/**
* ARIA state values for SelectedValues.
* @enum {string}
*/
goog.a11y.aria.SelectedValues = {
// The selectable element is selected.
TRUE: 'true',
// The selectable element is not selected.
FALSE: 'false',
// The element is not selectable.
UNDEFINED: 'undefined'
};
mapbox-gl/closure-library/closure/goog/a11y/aria/datatables.js
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// Copyright 2013 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview The file contains data tables generated from the ARIA
* standard schema http://www.w3.org/TR/wai-aria/.
*
* This is auto-generated code. Do not manually edit!
*/
goog.provide('goog.a11y.aria.datatables');
goog.require('goog.a11y.aria.State');
goog.require('goog.object');
/**
* A map that contains mapping between an ARIA state and the default value
* for it. Note that not all ARIA states have default values.
*
* @type {Object<!(goog.a11y.aria.State|string), (string|boolean|number)>}
*/
goog.a11y.aria.DefaultStateValueMap_;
/**
* A method that creates a map that contains mapping between an ARIA state and
* the default value for it. Note that not all ARIA states have default values.
*
* @return {!Object<!(goog.a11y.aria.State|string), (string|boolean|number)>}
* The names for each of the notification methods.
*/
goog.a11y.aria.datatables.getDefaultValuesMap = function() {
if (!goog.a11y.aria.DefaultStateValueMap_) {
goog.a11y.aria.DefaultStateValueMap_ = goog.object.create(
goog.a11y.aria.State.ATOMIC, false,
goog.a11y.aria.State.AUTOCOMPLETE, 'none',
goog.a11y.aria.State.DROPEFFECT, 'none',
goog.a11y.aria.State.HASPOPUP, false,
goog.a11y.aria.State.LIVE, 'off',
goog.a11y.aria.State.MULTILINE, false,
goog.a11y.aria.State.MULTISELECTABLE, false,
goog.a11y.aria.State.ORIENTATION, 'vertical',
goog.a11y.aria.State.READONLY, false,
goog.a11y.aria.State.RELEVANT, 'additions text',
goog.a11y.aria.State.REQUIRED, false,
goog.a11y.aria.State.SORT, 'none',
goog.a11y.aria.State.BUSY, false,
goog.a11y.aria.State.DISABLED, false,
goog.a11y.aria.State.HIDDEN, false,
goog.a11y.aria.State.INVALID, 'false');
}
return goog.a11y.aria.DefaultStateValueMap_;
};
mapbox-gl/closure-library/closure/goog/a11y/aria/roles.js
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// Copyright 2013 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview The file contains generated enumerations for ARIA roles
* as defined by W3C ARIA standard: http://www.w3.org/TR/wai-aria/.
*
* This is auto-generated code. Do not manually edit! For more details
* about how to edit it via the generator check go/closure-ariagen.
*/
goog.provide('goog.a11y.aria.Role');
/**
* ARIA role values.
* @enum {string}
*/
goog.a11y.aria.Role = {
// ARIA role for an alert element that doesn't need to be explicitly closed.
ALERT: 'alert',
// ARIA role for an alert dialog element that takes focus and must be closed.
ALERTDIALOG: 'alertdialog',
// ARIA role for an application that implements its own keyboard navigation.
APPLICATION: 'application',
// ARIA role for an article.
ARTICLE: 'article',
// ARIA role for a banner containing mostly site content, not page content.
BANNER: 'banner',
// ARIA role for a button element.
BUTTON: 'button',
// ARIA role for a checkbox button element; use with the CHECKED state.
CHECKBOX: 'checkbox',
// ARIA role for a column header of a table or grid.
COLUMNHEADER: 'columnheader',
// ARIA role for a combo box element.
COMBOBOX: 'combobox',
// ARIA role for a supporting section of the document.
COMPLEMENTARY: 'complementary',
// ARIA role for a large perceivable region that contains information
// about the parent document.
CONTENTINFO: 'contentinfo',
// ARIA role for a definition of a term or concept.
DEFINITION: 'definition',
// ARIA role for a dialog, some descendant must take initial focus.
DIALOG: 'dialog',
// ARIA role for a directory, like a table of contents.
DIRECTORY: 'directory',
// ARIA role for a part of a page that's a document, not a web application.
DOCUMENT: 'document',
// ARIA role for a landmark region logically considered one form.
FORM: 'form',
// ARIA role for an interactive control of tabular data.
GRID: 'grid',
// ARIA role for a cell in a grid.
GRIDCELL: 'gridcell',
// ARIA role for a group of related elements like tree item siblings.
GROUP: 'group',
// ARIA role for a heading element.
HEADING: 'heading',
// ARIA role for a container of elements that together comprise one image.
IMG: 'img',
// ARIA role for a link.
LINK: 'link',
// ARIA role for a list of non-interactive list items.
LIST: 'list',
// ARIA role for a listbox.
LISTBOX: 'listbox',
// ARIA role for a list item.
LISTITEM: 'listitem',
// ARIA role for a live region where new information is added.
LOG: 'log',
// ARIA landmark role for the main content in a document. Use only once.
MAIN: 'main',
// ARIA role for a live region of non-essential information that changes.
MARQUEE: 'marquee',
// ARIA role for a mathematical expression.
MATH: 'math',
// ARIA role for a popup menu.
MENU: 'menu',
// ARIA role for a menubar element containing menu elements.
MENUBAR: 'menubar',
// ARIA role for menu item elements.
MENU_ITEM: 'menuitem',
// ARIA role for a checkbox box element inside a menu.
MENU_ITEM_CHECKBOX: 'menuitemcheckbox',
// ARIA role for a radio button element inside a menu.
MENU_ITEM_RADIO: 'menuitemradio',
// ARIA landmark role for a collection of navigation links.
NAVIGATION: 'navigation',
// ARIA role for a section ancillary to the main content.
NOTE: 'note',
// ARIA role for option items that are children of combobox, listbox, menu,
// radiogroup, or tree elements.
OPTION: 'option',
// ARIA role for ignorable cosmetic elements with no semantic significance.
PRESENTATION: 'presentation',
// ARIA role for a progress bar element.
PROGRESSBAR: 'progressbar',
// ARIA role for a radio button element.
RADIO: 'radio',
// ARIA role for a group of connected radio button elements.
RADIOGROUP: 'radiogroup',
// ARIA role for an important region of the page.
REGION: 'region',
// ARIA role for a row of cells in a grid.
ROW: 'row',
// ARIA role for a group of one or more rows in a grid.
ROWGROUP: 'rowgroup',
// ARIA role for a row header of a table or grid.
ROWHEADER: 'rowheader',
// ARIA role for a scrollbar element.
SCROLLBAR: 'scrollbar',
// ARIA landmark role for a part of the page providing search functionality.
SEARCH: 'search',
// ARIA role for a menu separator.
SEPARATOR: 'separator',
// ARIA role for a slider.
SLIDER: 'slider',
// ARIA role for a spin button.
SPINBUTTON: 'spinbutton',
// ARIA role for a live region with advisory info less severe than an alert.
STATUS: 'status',
// ARIA role for a tab button.
TAB: 'tab',
// ARIA role for a tab bar (i.e. a list of tab buttons).
TAB_LIST: 'tablist',
// ARIA role for a tab page (i.e. the element holding tab contents).
TAB_PANEL: 'tabpanel',
// ARIA role for a textbox element.
TEXTBOX: 'textbox',
// ARIA role for an element displaying elapsed time or time remaining.
TIMER: 'timer',
// ARIA role for a toolbar element.
TOOLBAR: 'toolbar',
// ARIA role for a tooltip element.
TOOLTIP: 'tooltip',
// ARIA role for a tree.
TREE: 'tree',
// ARIA role for a grid whose rows can be expanded and collapsed like a tree.
TREEGRID: 'treegrid',
// ARIA role for a tree item that sometimes may be expanded or collapsed.
TREEITEM: 'treeitem'
};