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/**
* @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';
Polymer({
is: 'gr-change-star',
/**
* Fired when star state is toggled.
*
* @event toggle-star
*/
properties: {
/** @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,
detail: {change: this.change, starred: newVal},
}));
},
});
})();
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