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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* 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 { Symbiont } = require("api-utils/content");
const { Trait } = require("api-utils/traits");
if (!require("api-utils/xul-app").isOneOf(["Firefox", "Thunderbird"])) {
throw new Error([
"The page-worker module currently supports only Firefox and Thunderbird. ",
"In the future, we would like it to support other applications, however. ",
"Please see https://bugzilla.mozilla.org/show_bug.cgi?id=546740 for more ",
"information."
].join(""));
}
const Page = Trait.compose(
Symbiont.resolve({
constructor: '_initSymbiont'
}),
{
_frame: Trait.required,
_initFrame: Trait.required,
postMessage: Symbiont.required,
on: Symbiont.required,
destroy: Symbiont.required,
constructor: function Page(options) {
options = options || {};
this.contentURL = 'contentURL' in options ? options.contentURL
: 'about:blank';
if ('contentScriptWhen' in options)
this.contentScriptWhen = options.contentScriptWhen;
if ('contentScriptFile' in options)
this.contentScriptFile = options.contentScriptFile;
if ('contentScript' in options)
this.contentScript = options.contentScript;
if ('allow' in options)
this.allow = options.allow;
if ('onError' in options)
this.on('error', options.onError);
if ('onMessage' in options)
this.on('message', options.onMessage);
this.on('propertyChange', this._onChange.bind(this));
this._initSymbiont();
},
_onChange: function _onChange(e) {
if ('contentURL' in e && this._frame) {
// Cleanup the worker before injecting the content script in the new
// document
this._workerCleanup();
this._initFrame(this._frame);
}
}
}
);
exports.Page = function(options) Page(options);
exports.Page.prototype = Page.prototype;
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