summaryrefslogtreecommitdiffstats
path: root/addon-sdk/source/lib/sdk/content/worker.js
diff options
context:
space:
mode:
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/content/worker.js
parent8cecf8d5208f3945b35f879bba3015bb1a11bec6 (diff)
downloadUXP-ac46df8daea09899ce30dc8fd70986e258c746bf.tar
UXP-ac46df8daea09899ce30dc8fd70986e258c746bf.tar.gz
UXP-ac46df8daea09899ce30dc8fd70986e258c746bf.tar.lz
UXP-ac46df8daea09899ce30dc8fd70986e258c746bf.tar.xz
UXP-ac46df8daea09899ce30dc8fd70986e258c746bf.zip
Move Add-on SDK source to toolkit/jetpack
Diffstat (limited to 'addon-sdk/source/lib/sdk/content/worker.js')
-rw-r--r--addon-sdk/source/lib/sdk/content/worker.js180
1 files changed, 0 insertions, 180 deletions
diff --git a/addon-sdk/source/lib/sdk/content/worker.js b/addon-sdk/source/lib/sdk/content/worker.js
deleted file mode 100644
index 39b940a88..000000000
--- a/addon-sdk/source/lib/sdk/content/worker.js
+++ /dev/null
@@ -1,180 +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";
-
-module.metadata = {
- "stability": "unstable"
-};
-
-const { emit } = require('../event/core');
-const { omit, merge } = require('../util/object');
-const { Class } = require('../core/heritage');
-const { method } = require('../lang/functional');
-const { getInnerId } = require('../window/utils');
-const { EventTarget } = require('../event/target');
-const { isPrivate } = require('../private-browsing/utils');
-const { getTabForBrowser, getTabForContentWindowNoShim, getBrowserForTab } = require('../tabs/utils');
-const { attach, connect, detach, destroy, makeChildOptions } = require('./utils');
-const { ensure } = require('../system/unload');
-const { on: observe } = require('../system/events');
-const { Ci, Cu } = require('chrome');
-const { modelFor: tabFor } = require('sdk/model/core');
-const { remoteRequire, processes, frames } = require('../remote/parent');
-remoteRequire('sdk/content/worker-child');
-
-const workers = new WeakMap();
-var modelFor = (worker) => workers.get(worker);
-
-const ERR_DESTROYED = "Couldn't find the worker to receive this message. " +
- "The script may not be initialized yet, or may already have been unloaded.";
-
-// a handle for communication between content script and addon code
-const Worker = Class({
- implements: [EventTarget],
-
- initialize(options = {}) {
- ensure(this, 'detach');
-
- let model = {
- attached: false,
- destroyed: false,
- earlyEvents: [], // fired before worker was attached
- frozen: true, // document is not yet active
- options,
- };
- workers.set(this, model);
-
- this.on('detach', this.detach);
- EventTarget.prototype.initialize.call(this, options);
-
- this.receive = this.receive.bind(this);
-
- this.port = EventTarget();
- this.port.emit = this.send.bind(this, 'event');
- this.postMessage = this.send.bind(this, 'message');
-
- if ('window' in options) {
- let window = options.window;
- delete options.window;
- attach(this, window);
- }
- },
-
- // messages
- receive(process, id, args) {
- let model = modelFor(this);
- if (id !== model.id || !model.attached)
- return;
- args = JSON.parse(args);
- if (model.destroyed && args[0] != 'detach')
- return;
-
- if (args[0] === 'event')
- emit(this.port, ...args.slice(1))
- else
- emit(this, ...args);
- },
-
- send(...args) {
- let model = modelFor(this);
- if (model.destroyed && args[0] !== 'detach')
- throw new Error(ERR_DESTROYED);
-
- if (!model.attached) {
- model.earlyEvents.push(args);
- return;
- }
-
- processes.port.emit('sdk/worker/message', model.id, JSON.stringify(args));
- },
-
- // properties
- get url() {
- let { url } = modelFor(this);
- return url;
- },
-
- get contentURL() {
- return this.url;
- },
-
- get tab() {
- require('sdk/tabs');
- let { frame } = modelFor(this);
- if (!frame)
- return null;
- let rawTab = getTabForBrowser(frame.frameElement);
- return rawTab && tabFor(rawTab);
- },
-
- toString: () => '[object Worker]',
-
- detach: method(detach),
- destroy: method(destroy),
-})
-exports.Worker = Worker;
-
-attach.define(Worker, function(worker, window) {
- let model = modelFor(worker);
- if (model.attached)
- detach(worker);
-
- let childOptions = makeChildOptions(model.options);
- processes.port.emitCPOW('sdk/worker/create', [childOptions], { window });
-
- let listener = (frame, id, url) => {
- if (id != childOptions.id)
- return;
- frames.port.off('sdk/worker/connect', listener);
- connect(worker, frame, { id, url });
- };
- frames.port.on('sdk/worker/connect', listener);
-});
-
-connect.define(Worker, function(worker, frame, { id, url }) {
- let model = modelFor(worker);
- if (model.attached)
- detach(worker);
-
- model.id = id;
- model.frame = frame;
- model.url = url;
-
- // Messages from content -> chrome come through the process message manager
- // since that lives longer than the frame message manager
- processes.port.on('sdk/worker/event', worker.receive);
-
- model.attached = true;
- model.destroyed = false;
- model.frozen = false;
-
- model.earlyEvents.forEach(args => worker.send(...args));
- model.earlyEvents = [];
- emit(worker, 'attach');
-});
-
-// unload and release the child worker, release window reference
-detach.define(Worker, function(worker) {
- let model = modelFor(worker);
- if (!model.attached)
- return;
-
- processes.port.off('sdk/worker/event', worker.receive);
- model.attached = false;
- model.destroyed = true;
- emit(worker, 'detach');
-});
-
-isPrivate.define(Worker, ({ tab }) => isPrivate(tab));
-
-// Something in the parent side has destroyed the worker, tell the child to
-// detach, the child will respond when it has detached
-destroy.define(Worker, function(worker, reason) {
- let model = modelFor(worker);
- model.destroyed = true;
- if (!model.attached)
- return;
-
- worker.send('detach', reason);
-});