Project import generated by Copybara.

GitOrigin-RevId: d9e9e3fb4e31372ec1fb43b178994ca78fa8fe70
diff --git a/static_src/elements/framework/links/mr-user-link/mr-user-link.js b/static_src/elements/framework/links/mr-user-link/mr-user-link.js
new file mode 100644
index 0000000..c009f89
--- /dev/null
+++ b/static_src/elements/framework/links/mr-user-link/mr-user-link.js
@@ -0,0 +1,129 @@
+// Copyright 2019 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import {LitElement, html, css} from 'lit-element';
+
+import {connectStore} from 'reducers/base.js';
+import * as issueV0 from 'reducers/issueV0.js';
+import {EMPTY_FIELD_VALUE} from 'shared/issue-fields.js';
+import {SHARED_STYLES} from 'shared/shared-styles.js';
+
+
+const NULL_DISPLAY_NAME_VALUES = [EMPTY_FIELD_VALUE, 'a_deleted_user'];
+
+/**
+ * `<mr-user-link>`
+ *
+ * Displays a link to a user profile.
+ *
+ */
+export class MrUserLink extends connectStore(LitElement) {
+  /** @override */
+  static get styles() {
+    return [
+      SHARED_STYLES,
+      css`
+        :host {
+          display: inline-block;
+          white-space: nowrap;
+        }
+        i.inline-icon {
+          font-size: var(--chops-icon-font-size);
+          color: #B71C1C;
+          vertical-align: bottom;
+          cursor: pointer;
+        }
+        i.inline-icon-unseen {
+          color: var(--chops-purple-700);
+        }
+        i.material-icons[hidden] {
+          display: none;
+        }
+        .availability-notice {
+          color: #B71C1C;
+          font-weight: bold;
+        }
+      `,
+    ];
+  }
+
+  /** @override */
+  static get properties() {
+    return {
+      referencedUsers: {
+        type: Object,
+      },
+      showAvailabilityIcon: {
+        type: Boolean,
+      },
+      showAvailabilityText: {
+        type: Boolean,
+      },
+      userRef: {
+        type: Object,
+        attribute: 'userref',
+      },
+    };
+  }
+
+  /** @override */
+  constructor() {
+    super();
+    this.userRef = {};
+    this.referencedUsers = new Map();
+    this.showAvailabilityIcon = false;
+    this.showAvailabilityText = false;
+  }
+
+  /** @override */
+  stateChanged(state) {
+    this.referencedUsers = issueV0.referencedUsers(state);
+  }
+
+  /** @override */
+  render() {
+    const availability = this._getAvailability();
+    const userLink = this._getUserLink();
+    const user = this.referencedUsers.get(this.userRef.displayName) || {};
+    return html`
+      <link href="https://fonts.googleapis.com/icon?family=Material+Icons"
+            rel="stylesheet">
+      <i
+        id="availability-icon"
+        class="material-icons inline-icon ${user.last_visit_timestamp ? "" : "inline-icon-unseen"}"
+        title="${availability}"
+        ?hidden="${!(this.showAvailabilityIcon && availability)}"
+      >schedule</i>
+      <a
+        id="user-link"
+        href="${userLink}"
+        title="${this.userRef.displayName}"
+        ?hidden="${!userLink}"
+      >${this.userRef.displayName}</a>
+      <span
+        id="user-text"
+        ?hidden="${userLink}"
+      >${this.userRef.displayName}</span>
+      <div
+        id="availability-text"
+        class="availability-notice"
+        title="${availability}"
+        ?hidden="${!(this.showAvailabilityText && availability)}"
+      >${availability}</div>
+    `;
+  }
+
+  _getAvailability() {
+    if (!this.userRef || !this.referencedUsers) return '';
+    const user = this.referencedUsers.get(this.userRef.displayName) || {};
+    return user.availability;
+  }
+
+  _getUserLink() {
+    if (!this.userRef || !this.userRef.displayName ||
+        NULL_DISPLAY_NAME_VALUES.includes(this.userRef.displayName)) return '';
+    return `/u/${this.userRef.userId || this.userRef.displayName}`;
+  }
+}
+customElements.define('mr-user-link', MrUserLink);
diff --git a/static_src/elements/framework/links/mr-user-link/mr-user-link.test.js b/static_src/elements/framework/links/mr-user-link/mr-user-link.test.js
new file mode 100644
index 0000000..77af246
--- /dev/null
+++ b/static_src/elements/framework/links/mr-user-link/mr-user-link.test.js
@@ -0,0 +1,156 @@
+// Copyright 2019 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import {assert} from 'chai';
+import {MrUserLink} from './mr-user-link.js';
+
+
+let element;
+let availabilityIcon;
+let userLink;
+let userText;
+let availabilityText;
+
+function getElements() {
+  availabilityIcon = element.shadowRoot.querySelector(
+      '#availability-icon');
+  userLink = element.shadowRoot.querySelector(
+      '#user-link');
+  userText = element.shadowRoot.querySelector(
+      '#user-text');
+  availabilityText = element.shadowRoot.querySelector(
+      '#availability-text');
+}
+
+describe('mr-user-link', () => {
+  beforeEach(() => {
+    element = document.createElement('mr-user-link');
+    document.body.appendChild(element);
+  });
+
+  afterEach(() => {
+    document.body.removeChild(element);
+  });
+
+  it('initializes', () => {
+    assert.instanceOf(element, MrUserLink);
+  });
+
+  it('no link when no userId and displayName is null value', async () => {
+    element.userRef = {displayName: '----'};
+
+    await element.updateComplete;
+    getElements();
+
+    assert.isFalse(userText.hidden);
+    assert.equal(userText.textContent, '----');
+
+    assert.isTrue(availabilityIcon.hidden);
+    assert.isTrue(userLink.hidden);
+    assert.isTrue(availabilityText.hidden);
+  });
+
+  it('link when displayName', async () => {
+    element.userRef = {displayName: 'test@example.com'};
+
+    await element.updateComplete;
+    getElements();
+
+    assert.isFalse(userLink.hidden);
+    assert.equal(userLink.textContent.trim(), 'test@example.com');
+    assert.isTrue(userLink.href.endsWith('/u/test@example.com'));
+
+    assert.isTrue(availabilityIcon.hidden);
+    assert.isTrue(userText.hidden);
+    assert.isTrue(availabilityText.hidden);
+  });
+
+  it('link when userId', async () => {
+    element.userRef = {userId: '1234', displayName: 'test@example.com'};
+
+    await element.updateComplete;
+    getElements();
+
+    assert.isFalse(userLink.hidden);
+    assert.equal(userLink.textContent.trim(), 'test@example.com');
+    assert.isTrue(userLink.href.endsWith('/u/1234'));
+
+    assert.isTrue(availabilityIcon.hidden);
+    assert.isTrue(userText.hidden);
+    assert.isTrue(availabilityText.hidden);
+  });
+
+  it('show availability', async () => {
+    element.userRef = {userId: '1234', displayName: 'test@example.com'};
+    element.referencedUsers = new Map(
+        [['test@example.com', {availability: 'foo'}]]);
+    element.showAvailabilityIcon = true;
+
+    await element.updateComplete;
+    getElements();
+
+    assert.isFalse(availabilityIcon.hidden);
+    assert.equal(availabilityIcon.title, 'foo');
+
+    assert.isFalse(userLink.hidden);
+    assert.isTrue(userText.hidden);
+    assert.isTrue(availabilityText.hidden);
+  });
+
+  it('dont show availability', async () => {
+    element.userRef = {userId: '1234', displayName: 'test@example.com'};
+    element.referencedUsers = new Map(
+        [['test@example.com', {availability: 'foo'}]]);
+
+    await element.updateComplete;
+    getElements();
+
+    assert.isTrue(availabilityIcon.hidden);
+
+    assert.isFalse(userLink.hidden);
+    assert.isTrue(userText.hidden);
+    assert.isTrue(availabilityText.hidden);
+  });
+
+  it('show availability text', async () => {
+    element.userRef = {userId: '1234', displayName: 'test@example.com'};
+    element.referencedUsers = new Map(
+        [['test@example.com', {availability: 'foo'}]]);
+    element.showAvailabilityText = true;
+
+    await element.updateComplete;
+    getElements();
+
+    assert.isFalse(availabilityText.hidden);
+    assert.equal(availabilityText.title, 'foo');
+    assert.equal(availabilityText.textContent, 'foo');
+
+    assert.isTrue(availabilityIcon.hidden);
+    assert.isFalse(userLink.hidden);
+    assert.isTrue(userText.hidden);
+  });
+
+  it('show availability user never visited', async () => {
+    element.userRef = {userId: '1234', displayName: 'test@example.com'};
+    element.referencedUsers = new Map(
+        [['test@example.com', {last_visit_timestamp: undefined}]]);
+
+    await element.updateComplete;
+    getElements();
+
+    assert.isTrue(availabilityIcon.classList.contains("inline-icon-unseen"));
+  });
+
+  it('show availability user visited', async () => {
+    element.userRef = {userId: '1234', displayName: 'test@example.com'};
+    element.referencedUsers = new Map(
+        [['test@example.com', {last_visit_timestamp: "35"}]]);
+
+    await element.updateComplete;
+    getElements();
+
+    assert.isTrue(availabilityIcon.classList.contains("inline-icon"));
+    assert.isFalse(availabilityIcon.classList.contains("inline-icon-unseen"));
+  });
+});