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authorMatt A. Tobin <email@mattatobin.com>2018-02-09 06:46:43 -0500
committerMatt A. Tobin <email@mattatobin.com>2018-02-09 06:46:43 -0500
commitac46df8daea09899ce30dc8fd70986e258c746bf (patch)
tree2750d3125fc253fd5b0671e4bd268eff1fd97296 /addon-sdk/source/lib/sdk/output/system.js
parent8cecf8d5208f3945b35f879bba3015bb1a11bec6 (diff)
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Move Add-on SDK source to toolkit/jetpack
Diffstat (limited to 'addon-sdk/source/lib/sdk/output/system.js')
-rw-r--r--addon-sdk/source/lib/sdk/output/system.js71
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;