483ba301cb
Backed out changeset 6e56f4c8843e (bug1431533) Backed out changeset 12fc4dee861c (bug1431533)
69 lines
2.1 KiB
JavaScript
69 lines
2.1 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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* This frame script only exists to mediate communications between the
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* unprivileged frame in a content process and the privileged dialog wrapper
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* in the UI process on the main thread.
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*
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* `paymentChromeToContent` messages from the privileged wrapper are converted
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* into DOM events of the same name.
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* `paymentContentToChrome` custom DOM events from the unprivileged frame are
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* converted into messages of the same name.
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*
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* Business logic should stay out of this shim.
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*/
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"use strict";
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/* eslint-env mozilla/frame-script */
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const { classes: Cc, interfaces: Ci, results: Cr, utils: Cu } = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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let PaymentFrameScript = {
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init() {
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XPCOMUtils.defineLazyGetter(this, "log", () => {
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let {ConsoleAPI} = Cu.import("resource://gre/modules/Console.jsm", {});
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return new ConsoleAPI({
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maxLogLevelPref: "dom.payments.loglevel",
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prefix: "paymentDialogFrameScript",
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});
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});
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addEventListener("paymentContentToChrome", this, false, true);
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addMessageListener("paymentChromeToContent", this);
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},
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handleEvent(event) {
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this.sendToChrome(event);
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},
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receiveMessage({data: {messageType, data}}) {
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this.sendToContent(messageType, data);
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},
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sendToChrome({detail}) {
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let {messageType} = detail;
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this.log.debug("sendToChrome:", messageType, detail);
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this.sendMessageToChrome(messageType, detail);
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},
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sendToContent(messageType, detail = {}) {
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this.log.debug("sendToContent", messageType, detail);
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let response = Object.assign({messageType}, detail);
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let event = new content.CustomEvent("paymentChromeToContent", {
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detail: Cu.cloneInto(response, content),
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});
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content.dispatchEvent(event);
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},
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sendMessageToChrome(messageType, data = {}) {
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sendAsyncMessage("paymentContentToChrome", Object.assign(data, {messageType}));
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},
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};
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PaymentFrameScript.init();
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