1 files changed, 83 insertions, 0 deletions
diff --git a/browser/components/aboutlogins/content/components/fxaccounts-button.mjs b/browser/components/aboutlogins/content/components/fxaccounts-button.mjs
new file mode 100644
index 0000000000..d39969d726
--- /dev/null
+++ b/browser/components/aboutlogins/content/components/fxaccounts-button.mjs
@@ -0,0 +1,83 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+export default class FxAccountsButton extends HTMLElement {
+  connectedCallback() {
+    if (this.shadowRoot) {
+      return;
+    }
+    let template = document.querySelector("#fxaccounts-button-template");
+    let shadowRoot = this.attachShadow({ mode: "open" });
+    document.l10n.connectRoot(shadowRoot);
+    shadowRoot.appendChild(template.content.cloneNode(true));
+
+    this._avatarButton = shadowRoot.querySelector(".fxaccounts-avatar-button");
+    this._extraText = shadowRoot.querySelector(".fxaccounts-extra-text");
+    this._enableButton = shadowRoot.querySelector(".fxaccounts-enable-button");
+    this._loggedOutView = shadowRoot.querySelector(".logged-out-view");
+    this._loggedInView = shadowRoot.querySelector(".logged-in-view");
+    this._emailText = shadowRoot.querySelector(".fxaccount-email");
+
+    this._avatarButton.addEventListener("click", this);
+    this._enableButton.addEventListener("click", this);
+
+    this.render();
+  }
+
+  handleEvent(event) {
+    if (event.currentTarget == this._avatarButton) {
+      document.dispatchEvent(
+        new CustomEvent("AboutLoginsSyncOptions", {
+          bubbles: true,
+        })
+      );
+      return;
+    }
+    if (event.target == this._enableButton) {
+      document.dispatchEvent(
+        new CustomEvent("AboutLoginsSyncEnable", {
+          bubbles: true,
+        })
+      );
+    }
+  }
+
+  render() {
+    this._loggedOutView.hidden = !!this._loggedIn;
+    this._loggedInView.hidden = !this._loggedIn;
+    this._emailText.textContent = this._email;
+    if (this._avatarURL) {
+      this._avatarButton.style.setProperty(
+        "--avatar-url",
+        `url(${this._avatarURL})`
+      );
+    } else {
+      let defaultAvatar = "chrome://browser/skin/fxa/avatar-color.svg";
+      this._avatarButton.style.setProperty(
+        "--avatar-url",
+        `url(${defaultAvatar})`
+      );
+    }
+  }
+
+  /**
+   *
+   * @param {object} state
+   *                   loggedIn: {Boolean} FxAccount authentication
+   *                             status.
+   *                   email: {String} Email address used with FxAccount. Must
+   *                          be empty if `loggedIn` is false.
+   *                   avatarURL: {String} URL of account avatar. Must
+   *                              be empty if `loggedIn` is false.
+   */
+  updateState(state) {
+    this.hidden = !state.fxAccountsEnabled;
+    this._loggedIn = state.loggedIn;
+    this._email = state.email;
+    this._avatarURL = state.avatarURL;
+
+    this.render();
+  }
+}
+customElements.define("fxaccounts-button", FxAccountsButton);