text: /**
   * @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 '../../base/foundation';
  import { isNavigationEvent, KEY, normalizeKey } from '../../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