mirror of
https://github.com/classilla/tenfourfox.git
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86 lines
3.4 KiB
JavaScript
86 lines
3.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { Ci } = require("chrome");
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const { InputPort } = require("./system");
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const { getFrameElement, getOuterId,
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getOwnerBrowserWindow } = require("../window/utils");
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const { isnt } = require("../lang/functional");
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const { foldp, lift, merges, keepIf } = require("../event/utils");
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const { object } = require("../util/sequence");
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const { compose } = require("../lang/functional");
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const { LastClosed } = require("./browser");
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const { patch } = require("diffpatcher/index");
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const Document = Ci.nsIDOMDocument;
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const isntNull = isnt(null);
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const frameID = frame => frame.id;
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const browserID = compose(getOuterId, getOwnerBrowserWindow);
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const isInnerFrame = frame =>
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frame && frame.hasAttribute("data-is-sdk-inner-frame");
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// Utility function that given content window loaded in our frame views returns
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// an actual frame. This basically takes care of fact that actual frame document
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// is loaded in the nested iframe. If content window is not loaded in the nested
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// frame of the frame view it returs null.
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const getFrame = document =>
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document && document.defaultView && getFrameElement(document.defaultView);
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const FrameInput = function(options) {
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const input = keepIf(isInnerFrame, null,
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lift(getFrame, new InputPort(options)));
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return lift(frame => {
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if (!frame) return frame;
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const [id, owner] = [frameID(frame), browserID(frame)];
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return object([id, {owners: object([owner, options.update])}]);
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}, input);
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};
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const LastLoading = new FrameInput({topic: "document-element-inserted",
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update: {readyState: "loading"}});
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exports.LastLoading = LastLoading;
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const LastInteractive = new FrameInput({topic: "content-document-interactive",
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update: {readyState: "interactive"}});
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exports.LastInteractive = LastInteractive;
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const LastLoaded = new FrameInput({topic: "content-document-loaded",
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update: {readyState: "complete"}});
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exports.LastLoaded = LastLoaded;
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const LastUnloaded = new FrameInput({topic: "content-page-hidden",
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update: null});
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exports.LastUnloaded = LastUnloaded;
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// Represents state of SDK frames in form of data structure:
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// {"frame#1": {"id": "frame#1",
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// "inbox": {"data": "ping",
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// "target": {"id": "frame#1", "owner": "outerWindowID#2"},
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// "source": {"id": "frame#1"}}
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// "url": "resource://addon-1/data/index.html",
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// "owners": {"outerWindowID#1": {"readyState": "loading"},
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// "outerWindowID#2": {"readyState": "complete"}}
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//
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//
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// frame#2: {"id": "frame#2",
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// "url": "resource://addon-1/data/main.html",
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// "outbox": {"data": "pong",
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// "source": {"id": "frame#2", "owner": "outerWindowID#1"}
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// "target": {"id": "frame#2"}}
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// "owners": {outerWindowID#1: {readyState: "interacitve"}}}}
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const Frames = foldp(patch, {}, merges([
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LastLoading,
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LastInteractive,
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LastLoaded,
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LastUnloaded,
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new InputPort({ id: "frame-mailbox" }),
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new InputPort({ id: "frame-change" }),
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new InputPort({ id: "frame-changed" })
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]));
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exports.Frames = Frames;
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