import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/server/worker.js

@@ -0,0 +1,110 @@
+"use strict";
+
+// This function is used to do remote procedure calls from the worker to the
+// main thread. It is exposed as a built-in global to every module by the
+// worker loader. To make sure the worker loader can access it, it needs to be
+// defined before loading the worker loader script below.
+this.rpc = function (method, ...params) {
+  let id = nextId++;
+
+  postMessage(JSON.stringify({
+    type: "rpc",
+    method: method,
+    params: params,
+    id: id
+  }));
+
+  let deferred = Promise.defer();
+  rpcDeferreds[id] = deferred;
+  return deferred.promise;
+};
+
+loadSubScript("resource://devtools/shared/worker/loader.js");
+
+var Promise = worker.require("promise");
+var { ActorPool } = worker.require("devtools/server/actors/common");
+var { ThreadActor } = worker.require("devtools/server/actors/script");
+var { WebConsoleActor } = worker.require("devtools/server/actors/webconsole");
+var { TabSources } = worker.require("devtools/server/actors/utils/TabSources");
+var makeDebugger = worker.require("devtools/server/actors/utils/make-debugger");
+var { DebuggerServer } = worker.require("devtools/server/main");
+
+DebuggerServer.init();
+DebuggerServer.createRootActor = function () {
+  throw new Error("Should never get here!");
+};
+
+var connections = Object.create(null);
+var nextId = 0;
+var rpcDeferreds = [];
+
+this.addEventListener("message", function (event) {
+  let packet = JSON.parse(event.data);
+  switch (packet.type) {
+    case "connect":
+    // Step 3: Create a connection to the parent.
+      let connection = DebuggerServer.connectToParent(packet.id, this);
+      connections[packet.id] = {
+        connection : connection,
+        rpcs: []
+      };
+
+    // Step 4: Create a thread actor for the connection to the parent.
+      let pool = new ActorPool(connection);
+      connection.addActorPool(pool);
+
+      let sources = null;
+
+      let parent = {
+        actorID: packet.id,
+
+        makeDebugger: makeDebugger.bind(null, {
+          findDebuggees: () => {
+            return [this.global];
+          },
+
+          shouldAddNewGlobalAsDebuggee: () => {
+            return true;
+          },
+        }),
+
+        get sources() {
+          if (sources === null) {
+            sources = new TabSources(threadActor);
+          }
+          return sources;
+        },
+
+        window: global
+      };
+
+      let threadActor = new ThreadActor(parent, global);
+      pool.addActor(threadActor);
+
+      let consoleActor = new WebConsoleActor(connection, parent);
+      pool.addActor(consoleActor);
+
+    // Step 5: Send a response packet to the parent to notify
+    // it that a connection has been established.
+      postMessage(JSON.stringify({
+        type: "connected",
+        id: packet.id,
+        threadActor: threadActor.actorID,
+        consoleActor: consoleActor.actorID,
+      }));
+      break;
+
+    case "disconnect":
+      connections[packet.id].connection.close();
+      break;
+
+    case "rpc":
+      let deferred = rpcDeferreds[packet.id];
+      delete rpcDeferreds[packet.id];
+      if (packet.error) {
+        deferred.reject(packet.error);
+      }
+      deferred.resolve(packet.result);
+      break;
+  }
+});