gecko-dev/b2g/components/YoutubeProtocolHandler.js

65 строки
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/. */
"use strict";
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyGetter(this, "cpmm", function() {
return Cc["@mozilla.org/childprocessmessagemanager;1"]
.getService(Ci.nsIMessageSender);
});
function YoutubeProtocolHandler() {
}
YoutubeProtocolHandler.prototype = {
classID: Components.ID("{c3f1b945-7e71-49c8-95c7-5ae9cc9e2bad}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIProtocolHandler]),
scheme: "vnd.youtube",
defaultPort: -1,
protocolFlags: Ci.nsIProtocolHandler.URI_NORELATIVE |
Ci.nsIProtocolHandler.URI_NOAUTH |
Ci.nsIProtocolHandler.URI_LOADABLE_BY_ANYONE,
// Sample URL:
// vnd.youtube:iNuKL2Gy_QM?vndapp=youtube_mobile&vndclient=mv-google&vndel=watch&vnddnc=1
// Note that there is no hostname, so we use URLTYPE_NO_AUTHORITY
newURI: function yt_phNewURI(aSpec, aOriginCharset, aBaseURI) {
let uri = Cc["@mozilla.org/network/standard-url;1"]
.createInstance(Ci.nsIStandardURL);
uri.init(Ci.nsIStandardURL.URLTYPE_NO_AUTHORITY, this.defaultPort,
aSpec, aOriginCharset, aBaseURI);
return uri.QueryInterface(Ci.nsIURI);
},
newChannel: function yt_phNewChannel(aURI) {
/*
* This isn't a real protocol handler. Instead of creating a channel
* we just send a message and throw an exception. This 'content-handler'
* message is handled in b2g/chrome/content/shell.js where it starts
* an activity request that will open the Video app. The video app
* includes code to handle this fake 'video/youtube' mime type
*/
cpmm.sendAsyncMessage("content-handler", {
type: 'video/youtube', // A fake MIME type for the activity handler
url: aURI.spec // The path component of this URL is the video id
});
throw Components.results.NS_ERROR_ILLEGAL_VALUE;
},
allowPort: function yt_phAllowPort(aPort, aScheme) {
return false;
}
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([YoutubeProtocolHandler]);