Add m-esr52 at 52.6.0

1 files changed, 72 insertions, 0 deletions

diff --git a/dom/workers/test/frame_script.js b/dom/workers/test/frame_script.js
new file mode 100644
index 000000000..ffc384416
--- /dev/null
+++ b/dom/workers/test/frame_script.js
@@ -0,0 +1,72 @@
+/* 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 { interfaces: Ci } = Components;
+
+let workers = {};
+
+let methods = {
+  /**
+   * Create a worker with the given `url` in this tab.
+   */
+  createWorker: function (url) {
+    dump("Frame script: creating worker with url '" + url + "'\n");
+
+    workers[url] = new content.Worker(url);
+    return Promise.resolve();
+  },
+
+  /**
+   * Terminate the worker with the given `url` in this tab.
+   */
+  terminateWorker: function (url) {
+    dump("Frame script: terminating worker with url '" + url + "'\n");
+
+    workers[url].terminate();
+    delete workers[url];
+    return Promise.resolve();
+  },
+
+  /**
+   * Post the given `message` to the worker with the given `url` in this tab.
+   */
+  postMessageToWorker: function (url, message) {
+    dump("Frame script: posting message to worker with url '" + url + "'\n");
+
+    let worker = workers[url];
+    worker.postMessage(message);
+    return new Promise(function (resolve) {
+      worker.onmessage = function (event) {
+        worker.onmessage = null;
+        resolve(event.data);
+      };
+    });
+  },
+
+  /**
+   * Disable the cache for this tab.
+   */
+  disableCache: function () {
+    docShell.defaultLoadFlags = Ci.nsIRequest.LOAD_BYPASS_CACHE
+                              | Ci.nsIRequest.INHIBIT_CACHING;
+  }
+};
+
+addMessageListener("jsonrpc", function (event) {
+  let { id, method, params } = event.data;
+  Promise.resolve().then(function () {
+    return methods[method].apply(undefined, params);
+  }).then(function (result) {
+    sendAsyncMessage("jsonrpc", {
+      id: id,
+      result: result
+    });
+  }).catch(function (error) {
+    sendAsyncMessage("jsonrpc", {
+      id: id,
+      error: error.toString()
+    });
+  });
+});