Bug 1300588 - Implements the devtools.network.onNavigated API event, r=kmag,ochameau

MozReview-Commit-ID: 3P2KTzuzbWn

browser/components/extensions/ext-devtools-network.js

@@ -0,0 +1,35 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+"use strict";
+
+const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
+
+Cu.import("resource://gre/modules/ExtensionUtils.jsm");
+
+const {
+  SingletonEventManager,
+} = ExtensionUtils;
+
+extensions.registerSchemaAPI("devtools.network", "devtools_parent", (context) => {
+  return {
+    devtools: {
+      network: {
+        onNavigated: new SingletonEventManager(context, "devtools.onNavigated", fire => {
+          let listener = (event, data) => {
+            fire.async(data.url);
+          };
+
+          let targetPromise = getDevToolsTargetForContext(context);
+          targetPromise.then(target => {
+            target.on("will-navigate", listener);
+          });
+          return () => {
+            targetPromise.then(target => {
+              target.off("will-navigate", listener);
+            });
+          };
+        }).api(),
+      },
+    },
+  };
+});