polygerrit-ui/app/elements/change-list/gr-repo-header/gr-repo-header.js

/**
 * @license
 * Copyright (C) 2018 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 '../../../styles/dashboard-header-styles.js';
import '../../../styles/shared-styles.js';
import '../../shared/gr-date-formatter/gr-date-formatter.js';
import '../../shared/gr-rest-api-interface/gr-rest-api-interface.js';
import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners.js';
import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mixin.js';
import {PolymerElement} from '@polymer/polymer/polymer-element.js';
import {htmlTemplate} from './gr-repo-header_html.js';
import {GerritNav} from '../../core/gr-navigation/gr-navigation.js';

/** @extends PolymerElement */
class GrRepoHeader extends GestureEventListeners(
    LegacyElementMixin(
        PolymerElement)) {
  static get template() { return htmlTemplate; }

  static get is() { return 'gr-repo-header'; }

  static get properties() {
    return {
    /** @type {?string} */
      repo: {
        type: String,
        observer: '_repoChanged',
      },
      /** @type {string|null} */
      _repoUrl: String,
    };
  }

  _repoChanged(repoName) {
    if (!repoName) {
      this._repoUrl = null;
      return;
    }
    this._repoUrl = GerritNav.getUrlForRepo(repoName);
  }
}

customElements.define(GrRepoHeader.is, GrRepoHeader);