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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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"
function debug(aMsg) {
// dump("-*- PresentationRequestUIGlue: " + aMsg + "\n");
}
const { interfaces: Ci, utils: Cu, classes: Cc } = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "SystemAppProxy",
"resource://gre/modules/SystemAppProxy.jsm");
function PresentationRequestUIGlue() { }
PresentationRequestUIGlue.prototype = {
sendRequest: function(aUrl, aSessionId, aDevice) {
let localDevice;
try {
localDevice = aDevice.QueryInterface(Ci.nsIPresentationLocalDevice);
} catch (e) {}
if (localDevice) {
return this.sendTo1UA(aUrl, aSessionId, localDevice.windowId);
} else {
return this.sendTo2UA(aUrl, aSessionId);
}
},
// For 1-UA scenario
sendTo1UA: function(aUrl, aSessionId, aWindowId) {
return new Promise((aResolve, aReject) => {
let handler = (evt) => {
if (evt.type === "unload") {
SystemAppProxy.removeEventListenerWithId(aWindowId,
"unload",
handler);
SystemAppProxy.removeEventListenerWithId(aWindowId,
"mozPresentationContentEvent",
handler);
aReject();
}
if (evt.type === "mozPresentationContentEvent" &&
evt.detail.id == aSessionId) {
SystemAppProxy.removeEventListenerWithId(aWindowId,
"unload",
handler);
SystemAppProxy.removeEventListenerWithId(aWindowId,
"mozPresentationContentEvent",
handler);
this.appLaunchCallback(evt.detail, aResolve, aReject);
}
};
// If system(-remote) app is closed.
SystemAppProxy.addEventListenerWithId(aWindowId,
"unload",
handler);
// Listen to the result for the opened iframe from front-end.
SystemAppProxy.addEventListenerWithId(aWindowId,
"mozPresentationContentEvent",
handler);
SystemAppProxy.sendCustomEventWithId(aWindowId,
"mozPresentationChromeEvent",
{ type: "presentation-launch-receiver",
url: aUrl,
id: aSessionId });
});
},
// For 2-UA scenario
sendTo2UA: function(aUrl, aSessionId) {
return new Promise((aResolve, aReject) => {
let handler = (evt) => {
if (evt.type === "mozPresentationContentEvent" &&
evt.detail.id == aSessionId) {
SystemAppProxy.removeEventListener("mozPresentationContentEvent",
handler);
this.appLaunchCallback(evt.detail, aResolve, aReject);
}
};
// Listen to the result for the opened iframe from front-end.
SystemAppProxy.addEventListener("mozPresentationContentEvent",
handler);
SystemAppProxy._sendCustomEvent("mozPresentationChromeEvent",
{ type: "presentation-launch-receiver",
url: aUrl,
id: aSessionId });
});
},
appLaunchCallback: function(aDetail, aResolve, aReject) {
switch(aDetail.type) {
case "presentation-receiver-launched":
aResolve(aDetail.frame);
break;
case "presentation-receiver-permission-denied":
aReject();
break;
}
},
classID: Components.ID("{ccc8a839-0b64-422b-8a60-fb2af0e376d0}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationRequestUIGlue])
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([PresentationRequestUIGlue]);
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