
In Polymer 2, and when using native shadow DOM, events that do not have `composed: true` set do not cross shadow DOM boundaries. I cross checked and all these events seem to be handled outside of the component that fires them, so they need this. Change-Id: Iee8d2d545f3b1ea0bfb624648637fd190b952feb
58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
/**
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* @license
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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(function() {
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'use strict';
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Polymer({
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is: 'gr-change-star',
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_legacyUndefinedCheck: true,
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/**
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* Fired when star state is toggled.
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*
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* @event toggle-star
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*/
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properties: {
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/** @type {?} */
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change: {
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type: Object,
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notify: true,
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},
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},
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_computeStarClass(starred) {
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return starred ? 'active' : '';
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},
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_computeStarIcon(starred) {
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// Hollow star is used to indicate inactive state.
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return `gr-icons:star${starred ? '' : '-border'}`;
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},
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toggleStar() {
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const newVal = !this.change.starred;
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this.set('change.starred', newVal);
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this.dispatchEvent(new CustomEvent('toggle-star', {
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bubbles: true,
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composed: true,
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detail: {change: this.change, starred: newVal},
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}));
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},
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});
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})();
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