blob: 05e759f80fdabcab9dd35aa7350216d7b198b4a0 [file] [log] [blame]
/**
* @license
* Copyright (C) 2016 The Android Open Source Project
*
* 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.
*/
(function() {
'use strict';
class GrChangeStar extends Polymer.GestureEventListeners(
Polymer.LegacyElementMixin(
Polymer.Element)) {
static get is() { return 'gr-change-star'; }
/**
* Fired when star state is toggled.
*
* @event toggle-star
*/
static get properties() {
return {
/** @type {?} */
change: {
type: Object,
notify: true,
},
};
}
_computeStarClass(starred) {
return starred ? 'active' : '';
}
_computeStarIcon(starred) {
// Hollow star is used to indicate inactive state.
return `gr-icons:star${starred ? '' : '-border'}`;
}
toggleStar() {
const newVal = !this.change.starred;
this.set('change.starred', newVal);
this.dispatchEvent(new CustomEvent('toggle-star', {
bubbles: true,
composed: true,
detail: {change: this.change, starred: newVal},
}));
}
}
customElements.define(GrChangeStar.is, GrChangeStar);
})();