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