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Remove adapter.js and use own code

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pull/276/head
Rodrigo Nascimento 11 years ago
parent 5a494ce550
commit adf88a00ee
1 changed files with 5 additions and 412 deletions
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  1. 417
      packages/rocketchat-webrtc/adapter.js

417
packages/rocketchat-webrtc/adapter.js
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@ -1,412 +1,5 @@
/*
* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* More information about these options at jshint.com/docs/options */
/* jshint browser: true, camelcase: true, curly: true, devel: true,
eqeqeq: true, forin: false, globalstrict: true, node: true,
quotmark: single, undef: true, unused: strict */
/* global mozRTCIceCandidate, mozRTCPeerConnection, Promise,
mozRTCSessionDescription, webkitRTCPeerConnection, MediaStreamTrack */
/* exported trace,requestUserMedia */
'use strict';
var getUserMedia = null;
var attachMediaStream = null;
var reattachMediaStream = null;
var webrtcDetectedBrowser = null;
var webrtcDetectedVersion = null;
var webrtcMinimumVersion = null;
function trace(text) {
// This function is used for logging.
if (text[text.length - 1] === '\n') {
text = text.substring(0, text.length - 1);
}
if (window.performance) {
var now = (window.performance.now() / 1000).toFixed(3);
console.log(now + ': ' + text);
} else {
console.log(text);
}
}
if (navigator.mozGetUserMedia) {
console.log('This appears to be Firefox');
webrtcDetectedBrowser = 'firefox';
// the detected firefox version.
webrtcDetectedVersion =
parseInt(navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1], 10);
// the minimum firefox version still supported by adapter.
webrtcMinimumVersion = 31;
// The RTCPeerConnection object.
window.RTCPeerConnection = function(pcConfig, pcConstraints) {
if (webrtcDetectedVersion < 38) {
// .urls is not supported in FF < 38.
// create RTCIceServers with a single url.
if (pcConfig && pcConfig.iceServers) {
var newIceServers = [];
for (var i = 0; i < pcConfig.iceServers.length; i++) {
var server = pcConfig.iceServers[i];
if (server.hasOwnProperty('urls')) {
for (var j = 0; j < server.urls.length; j++) {
var newServer = {
url: server.urls[j]
};
if (server.urls[j].indexOf('turn') === 0) {
newServer.username = server.username;
newServer.credential = server.credential;
}
newIceServers.push(newServer);
}
} else {
newIceServers.push(pcConfig.iceServers[i]);
}
}
pcConfig.iceServers = newIceServers;
}
}
return new mozRTCPeerConnection(pcConfig, pcConstraints);
};
// The RTCSessionDescription object.
window.RTCSessionDescription = mozRTCSessionDescription;
// The RTCIceCandidate object.
window.RTCIceCandidate = mozRTCIceCandidate;
// getUserMedia constraints shim.
getUserMedia = (webrtcDetectedVersion < 38) ?
function(c, onSuccess, onError) {
var constraintsToFF37 = function(c) {
if (typeof c !== 'object' || c.require) {
return c;
}
var require = [];
Object.keys(c).forEach(function(key) {
var r = c[key] = (typeof c[key] === 'object') ?
c[key] : {ideal: c[key]};
if (r.exact !== undefined) {
r.min = r.max = r.exact;
delete r.exact;
}
if (r.min !== undefined || r.max !== undefined) {
require.push(key);
}
if (r.ideal !== undefined) {
c.advanced = c.advanced || [];
var oc = {};
oc[key] = {min: r.ideal, max: r.ideal};
c.advanced.push(oc);
delete r.ideal;
if (!Object.keys(r).length) {
delete c[key];
}
}
});
if (require.length) {
c.require = require;
}
return c;
};
console.log('spec: ' + JSON.stringify(c));
c.audio = constraintsToFF37(c.audio);
c.video = constraintsToFF37(c.video);
console.log('ff37: ' + JSON.stringify(c));
return navigator.mozGetUserMedia(c, onSuccess, onError);
} : navigator.mozGetUserMedia.bind(navigator);
navigator.getUserMedia = getUserMedia;
// Shim for mediaDevices on older versions.
if (!navigator.mediaDevices) {
navigator.mediaDevices = {getUserMedia: requestUserMedia,
addEventListener: function() { },
removeEventListener: function() { }
};
}
navigator.mediaDevices.enumerateDevices =
navigator.mediaDevices.enumerateDevices || function() {
return new Promise(function(resolve) {
var infos = [
{kind: 'audioinput', deviceId: 'default', label:'', groupId:''},
{kind: 'videoinput', deviceId: 'default', label:'', groupId:''}
];
resolve(infos);
});
};
if (webrtcDetectedVersion < 41) {
// Work around http://bugzil.la/1169665
var orgEnumerateDevices =
navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);
navigator.mediaDevices.enumerateDevices = function() {
return orgEnumerateDevices().catch(function(e) {
if (e.name === 'NotFoundError') {
return [];
}
throw e;
});
};
}
// Attach a media stream to an element.
attachMediaStream = function(element, stream) {
console.log('Attaching media stream');
element.mozSrcObject = stream;
};
reattachMediaStream = function(to, from) {
console.log('Reattaching media stream');
to.mozSrcObject = from.mozSrcObject;
};
} else if (navigator.webkitGetUserMedia) {
console.log('This appears to be Chrome');
webrtcDetectedBrowser = 'chrome';
// the detected chrome version.
webrtcDetectedVersion =
parseInt(navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)[2], 10);
// the minimum chrome version still supported by adapter.
webrtcMinimumVersion = 38;
// The RTCPeerConnection object.
window.RTCPeerConnection = function(pcConfig, pcConstraints) {
var pc = new webkitRTCPeerConnection(pcConfig, pcConstraints);
var origGetStats = pc.getStats.bind(pc);
pc.getStats = function(selector, successCallback, errorCallback) { // jshint ignore: line
// If selector is a function then we are in the old style stats so just
// pass back the original getStats format to avoid breaking old users.
if (typeof selector === 'function') {
return origGetStats(selector, successCallback);
}
var fixChromeStats = function(response) {
var standardReport = {};
var reports = response.result();
reports.forEach(function(report) {
var standardStats = {
id: report.id,
timestamp: report.timestamp,
type: report.type
};
report.names().forEach(function(name) {
standardStats[name] = report.stat(name);
});
standardReport[standardStats.id] = standardStats;
});
return standardReport;
};
var successCallbackWrapper = function(response) {
successCallback(fixChromeStats(response));
};
return origGetStats(successCallbackWrapper, selector);
};
return pc;
};
// add promise support
['createOffer', 'createAnswer'].forEach(function(method) {
var nativeMethod = webkitRTCPeerConnection.prototype[method];
webkitRTCPeerConnection.prototype[method] = function() {
var self = this;
if (arguments.length < 1 || (arguments.length === 1 &&
typeof(arguments[0]) === 'object')) {
var opts = arguments.length === 1 ? arguments[0] : undefined;
return new Promise(function(resolve, reject) {
nativeMethod.apply(self, [resolve, reject, opts]);
});
} else {
return nativeMethod.apply(this, arguments);
}
};
});
['setLocalDescription', 'setRemoteDescription',
'addIceCandidate'].forEach(function(method) {
var nativeMethod = webkitRTCPeerConnection.prototype[method];
webkitRTCPeerConnection.prototype[method] = function() {
var args = arguments;
var self = this;
return new Promise(function(resolve, reject) {
nativeMethod.apply(self, [args[0],
function() {
resolve();
if (args.length >= 2) {
args[1].apply(null, []);
}
},
function(err) {
reject(err);
if (args.length >= 3) {
args[2].apply(null, [err]);
}
}]
);
});
};
});
// getUserMedia constraints shim.
getUserMedia = function(c, onSuccess, onError) {
var constraintsToChrome = function(c) {
if (typeof c !== 'object' || c.mandatory || c.optional) {
return c;
}
var cc = {};
Object.keys(c).forEach(function(key) {
if (key === 'require' || key === 'advanced') {
return;
}
var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
if (r.exact !== undefined && typeof r.exact === 'number') {
r.min = r.max = r.exact;
}
var oldname = function(prefix, name) {
if (prefix) {
return prefix + name.charAt(0).toUpperCase() + name.slice(1);
}
return (name === 'deviceId') ? 'sourceId' : name;
};
if (r.ideal !== undefined) {
cc.optional = cc.optional || [];
var oc = {};
if (typeof r.ideal === 'number') {
oc[oldname('min', key)] = r.ideal;
cc.optional.push(oc);
oc = {};
oc[oldname('max', key)] = r.ideal;
cc.optional.push(oc);
} else {
oc[oldname('', key)] = r.ideal;
cc.optional.push(oc);
}
}
if (r.exact !== undefined && typeof r.exact !== 'number') {
cc.mandatory = cc.mandatory || {};
cc.mandatory[oldname('', key)] = r.exact;
} else {
['min', 'max'].forEach(function(mix) {
if (r[mix] !== undefined) {
cc.mandatory = cc.mandatory || {};
cc.mandatory[oldname(mix, key)] = r[mix];
}
});
}
});
if (c.advanced) {
cc.optional = (cc.optional || []).concat(c.advanced);
}
return cc;
};
console.log('spec: ' + JSON.stringify(c)); // whitespace for alignment
c.audio = constraintsToChrome(c.audio);
c.video = constraintsToChrome(c.video);
console.log('chrome: ' + JSON.stringify(c));
return navigator.webkitGetUserMedia(c, onSuccess, onError);
};
navigator.getUserMedia = getUserMedia;
// Attach a media stream to an element.
attachMediaStream = function(element, stream) {
if (typeof element.srcObject !== 'undefined') {
element.srcObject = stream;
} else if (typeof element.src !== 'undefined') {
element.src = URL.createObjectURL(stream);
} else {
console.log('Error attaching stream to element.');
}
};
reattachMediaStream = function(to, from) {
to.src = from.src;
};
if (!navigator.mediaDevices) {
navigator.mediaDevices = {getUserMedia: requestUserMedia,
enumerateDevices: function() {
return new Promise(function(resolve) {
var kinds = {audio: 'audioinput', video: 'videoinput'};
return MediaStreamTrack.getSources(function(devices) {
resolve(devices.map(function(device) {
return {label: device.label,
kind: kinds[device.kind],
deviceId: device.id,
groupId: ''};
}));
});
});
}};
// in case someone wants to listen for the devicechange event.
navigator.mediaDevices.addEventListener = function() { };
navigator.mediaDevices.removeEventListener = function() { };
}
} else if (navigator.mediaDevices && navigator.userAgent.match(
/Edge\/(\d+).(\d+)$/)) {
console.log('This appears to be Edge');
webrtcDetectedBrowser = 'edge';
webrtcDetectedVersion =
parseInt(navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)[2], 10);
// the minimum version still supported by adapter.
webrtcMinimumVersion = 12;
attachMediaStream = function(element, stream) {
element.srcObject = stream;
};
reattachMediaStream = function(to, from) {
to.srcObject = from.srcObject;
};
} else {
console.log('Browser does not appear to be WebRTC-capable');
}
// Returns the result of getUserMedia as a Promise.
function requestUserMedia(constraints) {
return new Promise(function(resolve, reject) {
getUserMedia(constraints, resolve, reject);
});
}
if (typeof module !== 'undefined') {
module.exports = {
RTCPeerConnection: window.RTCPeerConnection,
getUserMedia: getUserMedia,
attachMediaStream: attachMediaStream,
reattachMediaStream: reattachMediaStream,
webrtcDetectedBrowser: webrtcDetectedBrowser,
webrtcDetectedVersion: webrtcDetectedVersion,
webrtcMinimumVersion: webrtcMinimumVersion
//requestUserMedia: not exposed on purpose.
//trace: not exposed on purpose.
};
} else if ((typeof require === 'function') && (typeof define === 'function')) {
// Expose objects and functions when RequireJS is doing the loading.
define([], function() {
return {
RTCPeerConnection: window.RTCPeerConnection,
getUserMedia: getUserMedia,
attachMediaStream: attachMediaStream,
reattachMediaStream: reattachMediaStream,
webrtcDetectedBrowser: webrtcDetectedBrowser,
webrtcDetectedVersion: webrtcDetectedVersion,
webrtcMinimumVersion: webrtcMinimumVersion
//requestUserMedia: not exposed on purpose.
//trace: not exposed on purpose.
};
});
}
window.RTCPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
window.RTCSessionDescription = window.RTCSessionDescription || window.mozRTCSessionDescription || window.webkitRTCSessionDescription;
window.RTCIceCandidate = window.RTCIceCandidate || window.mozRTCIceCandidate || window.webkitRTCIceCandidate;
window.RTCSessionDescription = window.RTCSessionDescription || window.mozRTCSessionDescription || window.webkitRTCSessionDescription;
navigator.getUserMedia = navigator.getUserMedia || navigator.mozGetUserMedia || navigator.webkitGetUserMedia;
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