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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
// TODO: Blocked by [Payment] UX and visuals for the payment request
// confirmation screen https://github.com/mozilla-b2g/gaia/issues/2692
'use strict';
const kPaymentConfirmationScreen = '../payment.html';
var Payment = {
chromeEventId: null,
trustedUILayers: {},
init: function init() {
window.addEventListener('mozChromeEvent', this);
},
handleEvent: function onMozChromeEvent(e) {
// We save the mozChromeEvent identifiers to send replies back from content
// with this exact value.
this.chromeEventId = e.detail.id;
if (!this.chromeEventId)
return;
var requestId = e.detail.requestId;
switch (e.detail.type) {
// Chrome asks Gaia to show the payment request confirmation dialog.
case 'open-payment-confirmation-dialog':
var requests = e.detail.paymentRequests;
if (!requests)
return;
var returnSelection = (function returnSelection(selection) {
if (!selection)
return;
this._dispatchEvent({
id: this.chromeEventId,
userSelection: selection
});
}).bind(this);
// If there is only one request, we skip the confirmation dialog and
// send the request type back to the chrome as a user selection, so
// the payment flow can continue.
if (requests.length == 1) {
returnSelection(requests[0].type);
return;
}
var frame = document.createElement('iframe');
frame.setAttribute('mozbrowser', 'true');
frame.setAttribute('remote', true);
frame.classList.add('screen');
frame.src = kPaymentConfirmationScreen;
frame.addEventListener('mozbrowserloadend', function addReqs(evt) {
var frame = evt.target;
if (!frame || !requests)
return;
// TODO: Temp layout until issue #2692 is solved.
var frameDocument = frame.contentWindow.document;
var requestsList = frameDocument.getElementById('requests')
.getElementsByTagName('ul')[0];
for (var i in requests) {
var requestElement = frameDocument.createElement('li');
var button = frameDocument.createElement('button');
button.setAttribute('value', requests[i].type);
var requestText = 'Pay with ' + requests[i].providerName + '\n' +
requests[i].productName + '\n' +
requests[i].productDescription + '\n' +
requests[i].productPrice[0].amount + ' ' +
requests[i].productPrice[0].currency;
button.appendChild(frameDocument.createTextNode(requestText));
button.onclick = function selectRequest() {
// We send the selected request back to Chrome so it can start
// the appropriate payment flow.
returnSelection(this.getAttribute('value'));
};
requestElement.appendChild(button);
requestsList.appendChild(requestElement);
}
});
this._openTrustedUI(frame);
break;
// Chrome asks Gaia to show the payment flow according to the
// payment request selected by the user.
case 'open-payment-flow-dialog':
if (!e.detail.uri)
return;
// TODO: For now, known payment providers (BlueVia and Mozilla Market)
// only accepts the JWT by GET, so we just add it to the URI.
e.detail.uri += e.detail.jwt;
this.trustedUILayers[requestId] = this.chromeEventId;
var frame = document.createElement('iframe');
frame.setAttribute('mozbrowser', 'true');
frame.classList.add('screen');
frame.src = e.detail.uri;
frame.addEventListener('mozbrowserloadstart', (function loadStart(evt) {
// After creating the new frame containing the payment provider buy
// flow, we send it back to chrome so the payment callbacks can be
// injected.
this._dispatchEvent({
id: this.chromeEventId,
frame: evt.target
});
}).bind(this));
// The payment flow is shown within the trusted UI
this._openTrustedUI(frame);
break;
case 'close-payment-flow-dialog':
TrustedUIManager.close(this.trustedUILayers[requestId],
(function dialogClosed() {
this._dispatchEvent({ id: this.chromeEventId });
delete this.trustedUILayers[requestId];
}).bind(this));
break;
}
},
_openTrustedUI: function _openTrustedUI(frame) {
// The payment flow is shown within the trusted UI with the name of
// the mozPay caller application as title.
var title = WindowManager.getCurrentDisplayedApp().name;
title = title ? title : navigator.mozL10n.get('payment-flow');
TrustedUIManager.open(title, frame, this.chromeEventId);
},
_dispatchEvent: function _dispatchEvent(obj) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('mozContentEvent', true, true, obj);
window.dispatchEvent(event);
}
};
// Make sure L10n is ready before init
if (navigator.mozL10n.readyState == 'complete' ||
navigator.mozL10n.readyState == 'interactive') {
Payment.init();
} else {
window.addEventListener('localized', Payment.init.bind(Payment));
}
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