pWiki/ext-lib/peer.min.js

/*! peerjs build:0.3.13, production. Copyright(c) 2013 Michelle Bu <michelle@michellebu.com> */!function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};b[g][0].call(k.exports,function(a){var c=b[g][1][a];return e(c?c:a)},k,k.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a,b){b.exports.RTCSessionDescription=window.RTCSessionDescription||window.mozRTCSessionDescription,b.exports.RTCPeerConnection=window.RTCPeerConnection||window.mozRTCPeerConnection||window.webkitRTCPeerConnection,b.exports.RTCIceCandidate=window.RTCIceCandidate||window.mozRTCIceCandidate},{}],2:[function(a,b){function c(a,b,g){return this instanceof c?(e.call(this),this.options=d.extend({serialization:"binary",reliable:!1},g),this.open=!1,this.type="data",this.peer=a,this.provider=b,this.id=this.options.connectionId||c._idPrefix+d.randomToken(),this.label=this.options.label||this.id,this.metadata=this.options.metadata,this.serialization=this.options.serialization,this.reliable=this.options.reliable,this._buffer=[],this._buffering=!1,this.bufferSize=0,this._chunkedData={},this.options._payload&&(this._peerBrowser=this.options._payload.browser),void f.startConnection(this,this.options._payload||{originator:!0})):new c(a,b,g)}var d=a("./util"),e=a("eventemitter3"),f=a("./negotiator"),g=a("reliable");d.inherits(c,e),c._idPrefix="dc_",c.prototype.initialize=function(a){this._dc=this.dataChannel=a,this._configureDataChannel()},c.prototype._configureDataChannel=function(){var a=this;d.supports.sctp&&(this._dc.binaryType="arraybuffer"),this._dc.onopen=function(){d.log("Data channel connection success"),a.open=!0,a.emit("open")},!d.supports.sctp&&this.reliable&&(this._reliable=new g(this._dc,d.debug)),this._reliable?this._reliable.onmessage=function(b){a.emit("data",b)}:this._dc.onmessage=function(b){a._handleDataMessage(b)},this._dc.onclose=function(){d.log("DataChannel closed for:",a.peer),a.close()}},c.prototype._handleDataMessage=function(a){var b=this,c=a.data,e=c.constructor;if("binary"===this.serialization||"binary-utf8"===this.serialization){if(e===Blob)return void d.blobToArrayBuffer(c,function(a){c=d.unpack(a),b.emit("data",c)});if(e===ArrayBuffer)c=d.unpack(c);else if(e===String){var f=d.binaryStringToArrayBuffer(c);c=d.unpack(f)}}else"json"===this.serialization&&(c=JSON.parse(c));if(c.__peerData){var g=c.__peerData,h=this._chunkedData[g]||{data:[],count:0,total:c.total};return h.data[c.n]=c.data,h.count+=1,h.total===h.count&&(delete this._chunkedData[g],c=new Blob(h.data),this._handleDataMessage({data:c})),void(this._chunkedData[g]=h)}this.emit("data",c)},c.prototype.close=function(){this.open&&(this.open=!1,f.cleanup(this),this.emit("close"))},c.prototype.send=function(a,b){if(!this.open)return void this.emit("error",new Error("Connection is not open. You should listen for the `open` event before sending messages."));if(this._reliable)return void this._reliable.send(a);var c=this;if("json"===this.serialization)this._bufferedSend(JSON.stringify(a));else if("binary"===this.serialization||"binary-utf8"===this.serialization){var e=d.pack(a),f=d.chunkedBrowsers[this._peerBrowser]||d.chunkedBrowsers[d.browser];if(f&&!b&&e.size>d.chunkedMTU)return void this._sendChunks(e);d.supports.sctp?d.supports.binaryBlob?this._bufferedSend(e):d.blobToArrayBuffer(e,function(a){c._bufferedSend(a)}):d.blobToBinaryString(e,function(a){c._bufferedSend(a)})}else this._bufferedSend(a)},c.prototype._bufferedSend=function(a){(this._buffering||!this._trySend(a))&&(this._buffer.push(a),this.bufferSize=this._buffer.length)},c.prototype._trySend=function(a){try{this._dc.send(a)}catch(b){this._buffering=!0;var c=this;return setTimeout(function(){c._buffering=!1,c._tryBuffer()},100),!1}return!0},c.prototype._tryBuffer=function(){if(0!==this._buffer.length){var a=this._buffer[0];this._trySend(a)&&(this._buffer.shif
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