1 files changed, 70 insertions, 0 deletions
diff --git a/browser/components/extensions/child/ext-devtools-network.js b/browser/components/extensions/child/ext-devtools-network.js
new file mode 100644
index 0000000000..e36043f491
--- /dev/null
+++ b/browser/components/extensions/child/ext-devtools-network.js
@@ -0,0 +1,70 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=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/. */
+
+"use strict";
+
+/**
+ * Responsible for fetching HTTP response content from the backend.
+ *
+ * @param {DevtoolsExtensionContext}
+ *   A devtools extension context running in a child process.
+ * @param {object} options
+ */
+class ChildNetworkResponseLoader {
+  constructor(context, requestId) {
+    this.context = context;
+    this.requestId = requestId;
+  }
+
+  api() {
+    const { context, requestId } = this;
+    return {
+      getContent(callback) {
+        return context.childManager.callParentAsyncFunction(
+          "devtools.network.Request.getContent",
+          [requestId],
+          callback
+        );
+      },
+    };
+  }
+}
+
+this.devtools_network = class extends ExtensionAPI {
+  getAPI(context) {
+    return {
+      devtools: {
+        network: {
+          onRequestFinished: new EventManager({
+            context,
+            name: "devtools.network.onRequestFinished",
+            register: fire => {
+              let onFinished = data => {
+                const loader = new ChildNetworkResponseLoader(
+                  context,
+                  data.requestId
+                );
+                const harEntry = { ...data.harEntry, ...loader.api() };
+                const result = Cu.cloneInto(harEntry, context.cloneScope, {
+                  cloneFunctions: true,
+                });
+                fire.asyncWithoutClone(result);
+              };
+
+              let parent = context.childManager.getParentEvent(
+                "devtools.network.onRequestFinished"
+              );
+              parent.addListener(onFinished);
+              return () => {
+                parent.removeListener(onFinished);
+              };
+            },
+          }).api(),
+        },
+      },
+    };
+  }
+};