зеркало из https://github.com/mozilla/gecko-dev.git
117 строки
4.5 KiB
JavaScript
117 строки
4.5 KiB
JavaScript
/* -*- 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]);
|