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- /**
- * @license
- * Copyright 2020 Google Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
- import { __assign, __extends } from "tslib";
- import { MDCFoundation } from '@material/base/foundation';
- import { isNavigationEvent, KEY, normalizeKey } from '@material/dom/keyboard';
- import { MDCChipActionAttributes, MDCChipActionEvents, MDCChipActionFocusBehavior, MDCChipActionInteractionTrigger } from './constants';
- var triggerMap = new Map();
- triggerMap.set(KEY.SPACEBAR, MDCChipActionInteractionTrigger.SPACEBAR_KEY);
- triggerMap.set(KEY.ENTER, MDCChipActionInteractionTrigger.ENTER_KEY);
- triggerMap.set(KEY.DELETE, MDCChipActionInteractionTrigger.DELETE_KEY);
- triggerMap.set(KEY.BACKSPACE, MDCChipActionInteractionTrigger.BACKSPACE_KEY);
- /**
- * MDCChipActionFoundation provides a base abstract foundation for all chip
- * actions.
- */
- var MDCChipActionFoundation = /** @class */ (function (_super) {
- __extends(MDCChipActionFoundation, _super);
- function MDCChipActionFoundation(adapter) {
- return _super.call(this, __assign(__assign({}, MDCChipActionFoundation.defaultAdapter), adapter)) || this;
- }
- Object.defineProperty(MDCChipActionFoundation, "defaultAdapter", {
- get: function () {
- return {
- emitEvent: function () { return undefined; },
- focus: function () { return undefined; },
- getAttribute: function () { return null; },
- getElementID: function () { return ''; },
- removeAttribute: function () { return undefined; },
- setAttribute: function () { return undefined; },
- };
- },
- enumerable: false,
- configurable: true
- });
- MDCChipActionFoundation.prototype.handleClick = function () {
- // Early exit for cases where the click comes from a source other than the
- // user's pointer (i.e. programmatic click from AT).
- if (this.isDisabled())
- return;
- this.emitInteraction(MDCChipActionInteractionTrigger.CLICK);
- };
- MDCChipActionFoundation.prototype.handleKeydown = function (event) {
- var key = normalizeKey(event);
- if (this.shouldNotifyInteractionFromKey(key)) {
- event.preventDefault();
- this.emitInteraction(this.getTriggerFromKey(key));
- return;
- }
- if (isNavigationEvent(event)) {
- event.preventDefault();
- this.emitNavigation(key);
- return;
- }
- };
- MDCChipActionFoundation.prototype.setDisabled = function (isDisabled) {
- // Use `aria-disabled` for the selectable (listbox) disabled state
- if (this.isSelectable()) {
- this.adapter.setAttribute(MDCChipActionAttributes.ARIA_DISABLED, "" + isDisabled);
- return;
- }
- if (isDisabled) {
- this.adapter.setAttribute(MDCChipActionAttributes.DISABLED, 'true');
- }
- else {
- this.adapter.removeAttribute(MDCChipActionAttributes.DISABLED);
- }
- };
- MDCChipActionFoundation.prototype.isDisabled = function () {
- if (this.adapter.getAttribute(MDCChipActionAttributes.ARIA_DISABLED) ===
- 'true') {
- return true;
- }
- if (this.adapter.getAttribute(MDCChipActionAttributes.DISABLED) !== null) {
- return true;
- }
- return false;
- };
- MDCChipActionFoundation.prototype.setFocus = function (behavior) {
- // Early exit if not focusable
- if (!this.isFocusable()) {
- return;
- }
- // Add it to the tab order and give focus
- if (behavior === MDCChipActionFocusBehavior.FOCUSABLE_AND_FOCUSED) {
- this.adapter.setAttribute(MDCChipActionAttributes.TAB_INDEX, '0');
- this.adapter.focus();
- return;
- }
- // Add to the tab order
- if (behavior === MDCChipActionFocusBehavior.FOCUSABLE) {
- this.adapter.setAttribute(MDCChipActionAttributes.TAB_INDEX, '0');
- return;
- }
- // Remove it from the tab order
- if (behavior === MDCChipActionFocusBehavior.NOT_FOCUSABLE) {
- this.adapter.setAttribute(MDCChipActionAttributes.TAB_INDEX, '-1');
- return;
- }
- };
- MDCChipActionFoundation.prototype.isFocusable = function () {
- if (this.isDisabled()) {
- return false;
- }
- if (this.adapter.getAttribute(MDCChipActionAttributes.ARIA_HIDDEN) ===
- 'true') {
- return false;
- }
- return true;
- };
- MDCChipActionFoundation.prototype.setSelected = function (isSelected) {
- // Early exit if not selectable
- if (!this.isSelectable()) {
- return;
- }
- this.adapter.setAttribute(MDCChipActionAttributes.ARIA_SELECTED, "" + isSelected);
- };
- MDCChipActionFoundation.prototype.isSelected = function () {
- return this.adapter.getAttribute(MDCChipActionAttributes.ARIA_SELECTED) ===
- 'true';
- };
- MDCChipActionFoundation.prototype.emitInteraction = function (trigger) {
- this.adapter.emitEvent(MDCChipActionEvents.INTERACTION, {
- actionID: this.adapter.getElementID(),
- source: this.actionType(),
- trigger: trigger,
- });
- };
- MDCChipActionFoundation.prototype.emitNavigation = function (key) {
- this.adapter.emitEvent(MDCChipActionEvents.NAVIGATION, {
- source: this.actionType(),
- key: key,
- });
- };
- MDCChipActionFoundation.prototype.shouldNotifyInteractionFromKey = function (key) {
- var isFromActionKey = key === KEY.ENTER || key === KEY.SPACEBAR;
- var isFromRemoveKey = key === KEY.BACKSPACE || key === KEY.DELETE;
- if (isFromActionKey) {
- return true;
- }
- if (isFromRemoveKey && this.shouldEmitInteractionOnRemoveKey()) {
- return true;
- }
- return false;
- };
- MDCChipActionFoundation.prototype.getTriggerFromKey = function (key) {
- var trigger = triggerMap.get(key);
- if (trigger) {
- return trigger;
- }
- // Default case, should ideally never be returned
- return MDCChipActionInteractionTrigger.UNSPECIFIED;
- };
- return MDCChipActionFoundation;
- }(MDCFoundation));
- export { MDCChipActionFoundation };
- // tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.
- export default MDCChipActionFoundation;
- //# sourceMappingURL=foundation.js.map
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