addon-sdk/source/lib/sdk/frame/hidden-frame.js@129ffea94266
addon-sdk/source/lib/sdk/frame/hidden-frame.js
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 "use strict";
7 module.metadata = {
8 "stability": "experimental"
9 };
11 const { Cc, Ci } = require("chrome");
12 const errors = require("../deprecated/errors");
13 const { Class } = require("../core/heritage");
14 const { List, addListItem, removeListItem } = require("../util/list");
15 const { EventTarget } = require("../event/target");
16 const { emit } = require("../event/core");
17 const { create: makeFrame } = require("./utils");
18 const { defer } = require("../core/promise");
19 const { when: unload } = require("../system/unload");
20 const { validateOptions, getTypeOf } = require("../deprecated/api-utils");
21 const { window } = require("../addon/window");
22 const { fromIterator } = require("../util/array");
24 // This cache is used to access friend properties between functions
25 // without exposing them on the public API.
26 let cache = new Set();
27 let elements = new WeakMap();
29 function contentLoaded(target) {
30 var deferred = defer();
31 target.addEventListener("DOMContentLoaded", function DOMContentLoaded(event) {
32 // "DOMContentLoaded" events from nested frames propagate up to target,
33 // ignore events unless it's DOMContentLoaded for the given target.
34 if (event.target === target || event.target === target.contentDocument) {
35 target.removeEventListener("DOMContentLoaded", DOMContentLoaded, false);
36 deferred.resolve(target);
37 }
38 }, false);
39 return deferred.promise;
40 }
42 function FrameOptions(options) {
43 options = options || {}
44 return validateOptions(options, FrameOptions.validator);
45 }
46 FrameOptions.validator = {
47 onReady: {
48 is: ["undefined", "function", "array"],
49 ok: function(v) {
50 if (getTypeOf(v) === "array") {
51 // make sure every item is a function
52 return v.every(function (item) typeof(item) === "function")
53 }
54 return true;
55 }
56 },
57 onUnload: {
58 is: ["undefined", "function"]
59 }
60 };
62 var HiddenFrame = Class({
63 extends: EventTarget,
64 initialize: function initialize(options) {
65 options = FrameOptions(options);
66 EventTarget.prototype.initialize.call(this, options);
67 },
68 get element() {
69 return elements.get(this);
70 },
71 toString: function toString() {
72 return "[object Frame]"
73 }
74 });
75 exports.HiddenFrame = HiddenFrame
77 function addHidenFrame(frame) {
78 if (!(frame instanceof HiddenFrame))
79 throw Error("The object to be added must be a HiddenFrame.");
81 // This instance was already added.
82 if (cache.has(frame)) return frame;
83 else cache.add(frame);
85 let element = makeFrame(window.document, {
86 nodeName: "iframe",
87 type: "content",
88 allowJavascript: true,
89 allowPlugins: true,
90 allowAuth: true,
91 });
92 elements.set(frame, element);
94 contentLoaded(element).then(function onFrameReady(element) {
95 emit(frame, "ready");
96 }, console.exception);
98 return frame;
99 }
100 exports.add = addHidenFrame
102 function removeHiddenFrame(frame) {
103 if (!(frame instanceof HiddenFrame))
104 throw Error("The object to be removed must be a HiddenFrame.");
106 if (!cache.has(frame)) return;
108 // Remove from cache before calling in order to avoid loop
109 cache.delete(frame);
110 emit(frame, "unload")
111 let element = frame.element
112 if (element) element.parentNode.removeChild(element)
113 }
114 exports.remove = removeHiddenFrame;
116 unload(function() fromIterator(cache).forEach(removeHiddenFrame));
