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Move Add-on SDK source to toolkit/jetpack

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NTD 2018-02-09 06:46:43 -05:00 • committed by Roy Tam
commit 23b67db438
993 changed files with 484 additions and 100663 deletions
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115
addon-sdk/source/lib/sdk/frame/hidden-frame.js
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@ -1,115 +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": "experimental"
};
const { Cc, Ci } = require("chrome");
const { Class } = require("../core/heritage");
const { List, addListItem, removeListItem } = require("../util/list");
const { EventTarget } = require("../event/target");
const { emit } = require("../event/core");
const { create: makeFrame } = require("./utils");
const { defer } = require("../core/promise");
const { when: unload } = require("../system/unload");
const { validateOptions, getTypeOf } = require("../deprecated/api-utils");
const { window } = require("../addon/window");
const { fromIterator } = require("../util/array");
// This cache is used to access friend properties between functions
// without exposing them on the public API.
var cache = new Set();
var elements = new WeakMap();
function contentLoaded(target) {
var deferred = defer();
target.addEventListener("DOMContentLoaded", function DOMContentLoaded(event) {
// "DOMContentLoaded" events from nested frames propagate up to target,
// ignore events unless it's DOMContentLoaded for the given target.
if (event.target === target || event.target === target.contentDocument) {
target.removeEventListener("DOMContentLoaded", DOMContentLoaded, false);
deferred.resolve(target);
}
}, false);
return deferred.promise;
}
function FrameOptions(options) {
options = options || {}
return validateOptions(options, FrameOptions.validator);
}
FrameOptions.validator = {
onReady: {
is: ["undefined", "function", "array"],
ok: function(v) {
if (getTypeOf(v) === "array") {
// make sure every item is a function
return v.every(item => typeof(item) === "function")
}
return true;
}
},
onUnload: {
is: ["undefined", "function"]
}
};
var HiddenFrame = Class({
extends: EventTarget,
initialize: function initialize(options) {
options = FrameOptions(options);
EventTarget.prototype.initialize.call(this, options);
},
get element() {
return elements.get(this);
},
toString: function toString() {
return "[object Frame]"
}
});
exports.HiddenFrame = HiddenFrame
function addHidenFrame(frame) {
if (!(frame instanceof HiddenFrame))
throw Error("The object to be added must be a HiddenFrame.");
// This instance was already added.
if (cache.has(frame)) return frame;
else cache.add(frame);
let element = makeFrame(window.document, {
nodeName: "iframe",
type: "content",
allowJavascript: true,
allowPlugins: true,
allowAuth: true,
});
elements.set(frame, element);
contentLoaded(element).then(function onFrameReady(element) {
emit(frame, "ready");
}, console.exception);
return frame;
}
exports.add = addHidenFrame
function removeHiddenFrame(frame) {
if (!(frame instanceof HiddenFrame))
throw Error("The object to be removed must be a HiddenFrame.");
if (!cache.has(frame)) return;
// Remove from cache before calling in order to avoid loop
cache.delete(frame);
emit(frame, "unload")
let element = frame.element
if (element) element.parentNode.removeChild(element)
}
exports.remove = removeHiddenFrame;
unload(() => fromIterator(cache).forEach(removeHiddenFrame));