| /** |
| * @license |
| * Copyright (C) 2015 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. |
| */ |
| import '../gr-icons/gr-icons'; |
| import '../../../styles/shared-styles'; |
| import {PolymerElement} from '@polymer/polymer/polymer-element'; |
| import {htmlTemplate} from './gr-change-star_html'; |
| import {customElement, property} from '@polymer/decorators'; |
| import {ChangeInfo} from '../../../types/common'; |
| import {fireAlert} from '../../../utils/event-util'; |
| |
| declare global { |
| interface HTMLElementTagNameMap { |
| 'gr-change-star': GrChangeStar; |
| } |
| } |
| |
| export interface ChangeStarToggleStarDetail { |
| change: ChangeInfo; |
| starred: boolean; |
| } |
| |
| @customElement('gr-change-star') |
| export class GrChangeStar extends PolymerElement { |
| static get template() { |
| return htmlTemplate; |
| } |
| |
| /** |
| * Fired when star state is toggled. |
| * |
| * @event toggle-star |
| */ |
| |
| @property({type: Object, notify: true}) |
| change?: ChangeInfo; |
| |
| _computeStarClass(starred?: boolean) { |
| return starred ? 'active' : ''; |
| } |
| |
| _computeStarIcon(starred?: boolean) { |
| // Hollow star is used to indicate inactive state. |
| return `gr-icons:star${starred ? '' : '-border'}`; |
| } |
| |
| _computeAriaLabel(starred?: boolean) { |
| return starred ? 'Unstar this change' : 'Star this change'; |
| } |
| |
| toggleStar() { |
| // Note: change should always be defined when use gr-change-star |
| // but since we don't have a good way to enforce usage to always |
| // set the change, we still check it here. |
| if (!this.change) { |
| return; |
| } |
| const newVal = !this.change.starred; |
| this.set('change.starred', newVal); |
| const detail: ChangeStarToggleStarDetail = { |
| change: this.change, |
| starred: newVal, |
| }; |
| if (newVal) fireAlert(this, 'Starring change...'); |
| this.dispatchEvent( |
| new CustomEvent('toggle-star', { |
| bubbles: true, |
| composed: true, |
| detail, |
| }) |
| ); |
| } |
| } |