1 files changed, 0 insertions, 71 deletions
diff --git a/addon-sdk/source/lib/sdk/output/system.js b/addon-sdk/source/lib/sdk/output/system.js
deleted file mode 100644
index 4fb16dcd5..000000000
--- a/addon-sdk/source/lib/sdk/output/system.js
+++ /dev/null
@@ -1,71 +0,0 @@
-/* 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 { Cc, Ci, Cr } = require("chrome");
-const { Input, start, stop, receive, outputs } = require("../event/utils");
-const { id: addonID } = require("../self");
-const { setImmediate } = require("../timers");
-const { notifyObservers } = Cc['@mozilla.org/observer-service;1'].
-                             getService(Ci.nsIObserverService);
-
-const NOT_AN_INPUT = "OutputPort can be used only for sending messages";
-
-// `OutputPort` creates a port to which messages can be send. Those
-// messages are actually disptached as `subject`'s of the observer
-// notifications. This is handy for communicating between different
-// components of the SDK. By default messages are dispatched
-// asynchronously, although `options.sync` can be used to make them
-// synchronous. If `options.id` is given `topic` for observer
-// notifications is generated by namespacing it, to avoid spamming
-// other SDK add-ons. It's also possible to provide `options.topic`
-// to use excat `topic` without namespacing it.
-//
-// Note: Symmetric `new InputPort({ id: "x" })` instances can be used to
-// receive messages send to the instances of `new OutputPort({ id: "x" })`.
-const OutputPort = function({id, topic, sync}) {
-  this.id = id || topic;
-  this.sync = !!sync;
-  this.topic = topic || "sdk:" + addonID + ":" + id;
-};
-// OutputPort extends base signal type to implement same message
-// receiving interface.
-OutputPort.prototype = new Input();
-OutputPort.constructor = OutputPort;
-
-// OutputPort can not be consumed there for starting or stopping it
-// is not supported.
-OutputPort.prototype[start] = _ => { throw TypeError(NOT_AN_INPUT); };
-OutputPort.prototype[stop] = _ => { throw TypeError(NOT_AN_INPUT); };
-
-// Port reecives message send to it, which will be dispatched via
-// observer notification service.
-OutputPort.receive = ({topic, sync}, message) => {
-  const type = typeof(message);
-  const supported = message === null ||
-                    type === "object" ||
-                    type === "function";
-
-  // There is no sensible way to wrap JS primitives that would make sense
-  // for general observer notification users. It's also probably not very
-  // useful to dispatch JS primitives as subject of observer service, there
-  // for we do not support those use cases.
-  if (!supported)
-    throw new TypeError("Unsupproted message type: `" + type + "`");
-
-  // Normalize `message` to create a valid observer notification `subject`.
-  // If `message` is `null`, implements `nsISupports` interface or already
-  // represents wrapped JS object use it as is. Otherwise create a wrapped
-  // object so that observers could receive it.
-  const subject = message === null ? null :
-                  message instanceof Ci.nsISupports ? message :
-                  message.wrappedJSObject ? message :
-                  {wrappedJSObject: message};
-  if (sync)
-    notifyObservers(subject, topic, null);
-  else
-    setImmediate(notifyObservers, subject, topic, null);
-};
-OutputPort.prototype[receive] = OutputPort.receive;
-exports.OutputPort = OutputPort;