1 files changed, 81 insertions, 0 deletions
diff --git a/devtools/client/application/src/components/manifest/ManifestEmpty.js b/devtools/client/application/src/components/manifest/ManifestEmpty.js
new file mode 100644
index 0000000000..3e0eb2de48
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+++ b/devtools/client/application/src/components/manifest/ManifestEmpty.js
@@ -0,0 +1,81 @@
+/* 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/. */
+
+"use strict";
+
+const { openDocLink } = require("resource://devtools/client/shared/link.js");
+
+const {
+  createFactory,
+  PureComponent,
+} = require("resource://devtools/client/shared/vendor/react.js");
+const {
+  a,
+  article,
+  aside,
+  div,
+  h1,
+  img,
+  p,
+} = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
+
+const FluentReact = require("resource://devtools/client/shared/vendor/fluent-react.js");
+const Localized = createFactory(FluentReact.Localized);
+
+const DOC_URL =
+  "https://developer.mozilla.org/en-US/docs/Web/Manifest" +
+  "?utm_source=devtools&utm_medium=sw-panel-blank";
+
+/**
+ * This component displays help information when no manifest is found for the
+ * current target.
+ */
+class ManifestEmpty extends PureComponent {
+  openDocumentation() {
+    openDocLink(DOC_URL);
+  }
+
+  render() {
+    return article(
+      { className: "app-page__icon-container js-manifest-empty" },
+      aside(
+        {},
+        Localized(
+          {
+            id: "sidebar-item-manifest",
+            attrs: {
+              alt: true,
+            },
+          },
+          img({
+            className: "app-page__icon",
+            src: "chrome://devtools/skin/images/application-manifest.svg",
+          })
+        )
+      ),
+      div(
+        {},
+        Localized(
+          {
+            id: "manifest-empty-intro2",
+          },
+          h1({ className: "app-page__title" })
+        ),
+        p(
+          {},
+          Localized(
+            { id: "manifest-empty-intro-link" },
+            a({
+              onClick: () => this.openDocumentation(),
+            })
+          )
+        ),
+        Localized({ id: "manifest-non-existing" }, p({}))
+      )
+    );
+  }
+}
+
+// Exports
+module.exports = ManifestEmpty;