diff options
Diffstat (limited to 'addon-sdk/source/lib/sdk/frame/hidden-frame.js')
-rw-r--r-- | addon-sdk/source/lib/sdk/frame/hidden-frame.js | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/addon-sdk/source/lib/sdk/frame/hidden-frame.js b/addon-sdk/source/lib/sdk/frame/hidden-frame.js deleted file mode 100644 index 97e0b7974..000000000 --- a/addon-sdk/source/lib/sdk/frame/hidden-frame.js +++ /dev/null @@ -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)); |