2 files changed, 106 insertions, 0 deletions
diff --git a/browser/components/messagepreview/actors/AboutMessagePreviewChild.sys.mjs b/browser/components/messagepreview/actors/AboutMessagePreviewChild.sys.mjs
new file mode 100644
index 0000000000..d233f682a1
--- /dev/null
+++ b/browser/components/messagepreview/actors/AboutMessagePreviewChild.sys.mjs
@@ -0,0 +1,25 @@
+/* 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 class AboutMessagePreviewChild extends JSWindowActorChild {
+  handleEvent(event) {
+    console.log(`Received page event ${event.type}`);
+  }
+
+  actorCreated() {
+    this.exportFunctions();
+  }
+
+  exportFunctions() {
+    const window = this.contentWindow;
+
+    Cu.exportFunction(this.MPShowMessage.bind(this), window, {
+      defineAs: "MPShowMessage",
+    });
+  }
+
+  MPShowMessage(message) {
+    this.sendAsyncMessage(`MessagePreview:SHOW_MESSAGE`, message);
+  }
+}
diff --git a/browser/components/messagepreview/actors/AboutMessagePreviewParent.sys.mjs b/browser/components/messagepreview/actors/AboutMessagePreviewParent.sys.mjs
new file mode 100644
index 0000000000..077bfe46bf
--- /dev/null
+++ b/browser/components/messagepreview/actors/AboutMessagePreviewParent.sys.mjs
@@ -0,0 +1,81 @@
+/* vim: set ts=2 sw=2 sts=2 et tw=80: */
+/* 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/. */
+
+import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
+import { JsonSchema } from "resource://gre/modules/JsonSchema.sys.mjs";
+
+const lazy = {};
+
+XPCOMUtils.defineLazyModuleGetters(lazy, {
+  InfoBar: "resource://activity-stream/lib/InfoBar.jsm",
+  Spotlight: "resource://activity-stream/lib/Spotlight.jsm",
+  SpecialMessageActions:
+    "resource://messaging-system/lib/SpecialMessageActions.jsm",
+});
+
+function dispatchCFRAction({ type, data }, browser) {
+  if (type === "USER_ACTION") {
+    lazy.SpecialMessageActions.handleAction(data, browser);
+  }
+}
+
+export class AboutMessagePreviewParent extends JSWindowActorParent {
+  showInfoBar(message) {
+    const browser = this.browsingContext.topChromeWindow.gBrowser
+      .selectedBrowser;
+    lazy.InfoBar.showInfoBarMessage(browser, message, dispatchCFRAction);
+  }
+
+  showSpotlight(message) {
+    const browser = this.browsingContext.topChromeWindow.gBrowser
+      .selectedBrowser;
+    lazy.Spotlight.showSpotlightDialog(browser, message, () => {});
+  }
+
+  async showMessage(data) {
+    let message;
+    try {
+      message = JSON.parse(data);
+    } catch (e) {
+      console.error("Could not parse message", e);
+      return;
+    }
+
+    const schema = await fetch(
+      "resource://activity-stream/schemas/MessagingExperiment.schema.json",
+      { credentials: "omit" }
+    ).then(rsp => rsp.json());
+
+    const result = JsonSchema.validate(message, schema);
+    if (!result.valid) {
+      console.error(
+        `Invalid message: ${JSON.stringify(result.errors, undefined, 2)}`
+      );
+    }
+
+    switch (message.template) {
+      case "infobar":
+        this.showInfoBar(message);
+        return;
+      case "spotlight":
+        this.showSpotlight(message);
+        return;
+      default:
+        console.error(`Unsupported message template ${message.template}`);
+    }
+  }
+
+  receiveMessage(message) {
+    const { name, data } = message;
+
+    switch (name) {
+      case "MessagePreview:SHOW_MESSAGE":
+        this.showMessage(data);
+        break;
+      default:
+        console.log(`Unexpected event ${name} was not handled.`);
+    }
+  }
+}