mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
119 lines
3.3 KiB
JavaScript
119 lines
3.3 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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/**
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* Firefox Accounts Profile update helper.
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* Uses the WebChannel component to receive messages about account changes.
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*/
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this.EXPORTED_SYMBOLS = ["FxAccountsProfileChannel"];
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const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Log.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/FxAccountsCommon.js");
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XPCOMUtils.defineLazyModuleGetter(this, "WebChannel",
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"resource://gre/modules/WebChannel.jsm");
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const PROFILE_IMAGE_CHANGE_COMMAND = "profile:image:change";
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/**
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* Create a new FxAccountsProfileChannel to listen to profile updates
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*
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* @param {Object} options Options
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* @param {Object} options.parameters
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* @param {String} options.parameters.content_uri
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* The FxA Content server uri
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* @constructor
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*/
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this.FxAccountsProfileChannel = function(options) {
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if (!options) {
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throw new Error("Missing configuration options");
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}
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if (!options["content_uri"]) {
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throw new Error("Missing 'content_uri' option");
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}
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this.parameters = options;
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this._setupChannel();
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};
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this.FxAccountsProfileChannel.prototype = {
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/**
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* Configuration object
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*/
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parameters: null,
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/**
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* WebChannel that is used to communicate with content page
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*/
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_channel: null,
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/**
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* WebChannel origin, used to validate origin of messages
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*/
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_webChannelOrigin: null,
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/**
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* Release all resources that are in use.
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*/
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tearDown: function() {
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this._channel.stopListening();
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this._channel = null;
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this._channelCallback = null;
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},
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/**
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* Configures and registers a new WebChannel
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*
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* @private
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*/
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_setupChannel: function() {
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// if this.parameters.content_uri is present but not a valid URI, then this will throw an error.
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try {
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this._webChannelOrigin = Services.io.newURI(this.parameters.content_uri, null, null);
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this._registerChannel();
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} catch (e) {
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log.error(e);
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throw e;
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}
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},
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/**
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* Create a new channel with the WebChannelBroker, setup a callback listener
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* @private
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*/
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_registerChannel: function() {
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/**
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* Processes messages that are called back from the FxAccountsChannel
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*
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* @param webChannelId {String}
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* Command webChannelId
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* @param message {Object}
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* Command message
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* @param target {EventTarget}
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* Channel message event target
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* @private
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*/
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let listener = (webChannelId, message, target) => {
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if (message) {
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let command = message.command;
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let data = message.data;
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switch (command) {
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case PROFILE_IMAGE_CHANGE_COMMAND:
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Services.obs.notifyObservers(null, ONPROFILE_IMAGE_CHANGE_NOTIFICATION, data.uid);
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break;
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}
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}
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};
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this._channelCallback = listener;
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this._channel = new WebChannel(PROFILE_WEBCHANNEL_ID, this._webChannelOrigin);
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this._channel.listen(this._channelCallback);
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log.debug("Channel registered: " + PROFILE_WEBCHANNEL_ID + " with origin " + this._webChannelOrigin.prePath);
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}
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};
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