The Tor Browser: webapprt/PaymentUIGlue.js@7e26c7da4463 (annotated)

webapprt/PaymentUIGlue.js@7e26c7da4463 (annotated)

webapprt/PaymentUIGlue.js

Wed, 31 Dec 2014 06:55:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:55:50 +0100
changeset 2: 7e26c7da4463
permissions: -rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

 /* 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";
 const { interfaces: Ci, utils: Cu } = Components;
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
 XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
                                   "@mozilla.org/childprocessmessagemanager;1",
                                   "nsIMessageSender");
 function paymentSuccess(aRequestId) {
   return function(aResult) {
     closePaymentWindow(aRequestId, function() {
       cpmm.sendAsyncMessage("Payment:Success", { requestId: aRequestId,
                                                  result: aResult });
     });
   };
 }
 function paymentFailed(aRequestId) {
   return function(aErrorMsg) {
     closePaymentWindow(aRequestId, function() {
       cpmm.sendAsyncMessage("Payment:Failed", { requestId: aRequestId,
                                                 errorMsg: aErrorMsg });
     });
   };
 }
 let payments = {};
 function closePaymentWindow(aId, aCallback) {
   if (payments[aId]) {
     payments[aId].handled = true;
     payments[aId].win.close();
     payments[aId] = null;
   }
   aCallback();
 }
 function PaymentUI() {}
 PaymentUI.prototype = {
   classID: Components.ID("{ede1124f-72e8-4a31-9567-3270d46f21fb}"),
   QueryInterface: XPCOMUtils.generateQI([Ci.nsIPaymentUIGlue]),
   confirmPaymentRequest: function(aRequestId, aRequests, aSuccessCb, aErrorCb) {
     // If there's only one payment provider that will work, just move on
     // without prompting the user.
     if (aRequests.length == 1) {
       aSuccessCb.onresult(aRequestId, aRequests[0].type);
       return;
     }
     let items = [];
     // Otherwise, let the user select a payment provider from a list.
     for (let i = 0; i < aRequests.length; i++) {
       let request = aRequests[i];
       let requestText = request.providerName;
       if (request.productPrice && Array.isArray(request.productPrice)) {
         // We should guess the user currency and use that instead.
         requestText += " (" + request.productPrice[0].amount + " " +
                               request.productPrice[0].currency + ")";
       }
       items.push(requestText);
     }
     let selected = {};
     let bundle = Services.strings.
                    createBundle("chrome://webapprt/locale/webapp.properties");
     let result = Services.prompt.
                    select(null, bundle.GetStringFromName("paymentDialog.title"),
                           bundle.GetStringFromName("paymentDialog.message"),
                           items.length, items, selected);
     if (result) {
       aSuccessCb.onresult(aRequestId,
                           aRequests[selected.value].type);
     } else {
       aErrorCb.onresult(aRequestId, "USER_CANCELLED");
     }
   },
   showPaymentFlow: function(aRequestId, aPaymentFlowInfo, aErrorCb) {
     let win = Services.ww.
                 openWindow(null,
                            "chrome://webapprt/content/webapp.xul",
                            "_blank",
                            "chrome,dialog=no,resizable,scrollbars,centerscreen",
                            null);
     // Store a reference to the window so that we can close it when the payment
     // succeeds or fails.
     payments[aRequestId] = { win: win, handled: false };
     // Inject paymentSuccess and paymentFailed methods into the document after
     // its loaded.
     win.addEventListener("DOMContentLoaded", function onDOMContentLoaded() {
       win.removeEventListener("DOMContentLoaded", onDOMContentLoaded);
       let browserElement = win.document.getElementById("content");
       browserElement.
         setAttribute("src", aPaymentFlowInfo.uri + aPaymentFlowInfo.jwt);
       browserElement.addEventListener("DOMWindowCreated",
         function onDOMWindowCreated() {
           browserElement.removeEventListener("DOMWindowCreated",
                                              onDOMWindowCreated);
           win.document.getElementById("content").contentDocument.defaultView
              .wrappedJSObject.mozPaymentProvider = {
                __exposedProps__: {
                  paymentSuccess: 'r',
                  paymentFailed: 'r'
                },
                paymentSuccess: paymentSuccess(aRequestId),
                paymentFailed: paymentFailed(aRequestId)
              };
         }, true);
     });
     let winObserver = function(aClosedWin, aTopic) {
       if (aTopic == "domwindowclosed") {
         // Fail the payment if the window is closed.
         if (aClosedWin == win) {
           Services.ww.unregisterNotification(winObserver);
           if (payments[aRequestId] && !payments[aRequestId].handled) {
             aErrorCb.onresult(aRequestId, "USER_CANCELLED");
           }
         }
       }
     }
     Services.ww.registerNotification(winObserver);
   },
   cleanup: function() {
   },
 }
 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([PaymentUI]);