1 files changed, 122 insertions, 0 deletions
diff --git a/devtools/client/application/src/components/service-workers/RegistrationListEmpty.js b/devtools/client/application/src/components/service-workers/RegistrationListEmpty.js
new file mode 100644
index 0000000000..2454f121e8
--- /dev/null
+++ b/devtools/client/application/src/components/service-workers/RegistrationListEmpty.js
@@ -0,0 +1,122 @@
+/* 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,
+  openTrustedLink,
+} = 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 {
+  services,
+} = require("resource://devtools/client/application/src/modules/application-services.js");
+
+const DOC_URL =
+  "https://developer.mozilla.org/docs/Web/API/Service_Worker_API/Using_Service_Workers" +
+  "?utm_source=devtools&utm_medium=sw-panel-blank";
+
+/**
+ * This component displays help information when no service workers are found for the
+ * current target.
+ */
+class RegistrationListEmpty extends PureComponent {
+  switchToConsole() {
+    services.selectTool("webconsole");
+  }
+
+  switchToDebugger() {
+    services.selectTool("jsdebugger");
+  }
+
+  openAboutDebugging() {
+    openTrustedLink("about:debugging#workers");
+  }
+
+  openDocumentation() {
+    openDocLink(DOC_URL);
+  }
+
+  render() {
+    return article(
+      { className: "app-page__icon-container js-registration-list-empty" },
+      aside(
+        {},
+        Localized(
+          {
+            id: "sidebar-item-service-workers",
+            attrs: {
+              alt: true,
+            },
+          },
+          img({
+            className: "app-page__icon",
+            src: "chrome://devtools/skin/images/debugging-workers.svg",
+          })
+        )
+      ),
+      div(
+        {},
+        Localized(
+          {
+            id: "serviceworker-empty-intro2",
+          },
+          h1({ className: "app-page__title" })
+        ),
+        Localized(
+          {
+            id: "serviceworker-empty-suggestions2",
+            a: a({
+              onClick: () => this.switchToConsole(),
+            }),
+            // NOTE: for <Localized> to parse the markup in the string, the
+            //       markup needs to be actual HTML elements
+            span: a({
+              onClick: () => this.switchToDebugger(),
+            }),
+          },
+          p({})
+        ),
+        p(
+          {},
+          Localized(
+            { id: "serviceworker-empty-intro-link" },
+            a({
+              onClick: () => this.openDocumentation(),
+            })
+          )
+        ),
+        p(
+          {},
+          Localized(
+            { id: "serviceworker-empty-suggestions-aboutdebugging2" },
+            a({
+              className: "js-trusted-link",
+              onClick: () => this.openAboutDebugging(),
+            })
+          )
+        )
+      )
+    );
+  }
+}
+
+// Exports
+module.exports = RegistrationListEmpty;