@nethesis/phone-island/dist/node_modules/webrtc-adapter/src/js/chrome/chrome_shim.js

NethVoice CTI Phone Island

"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var e=require("../utils.js"),t=require("./getusermedia.js");function r(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map((e=>this._shimmedLocalStreams[e][0]))};const t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){if(!r)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};const n=t.apply(this,arguments);return this._shimmedLocalStreams[r.id]?-1===this._shimmedLocalStreams[r.id].indexOf(n)&&this._shimmedLocalStreams[r.id].push(n):this._shimmedLocalStreams[r.id]=[r,n],n};const r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach((e=>{if(this.getSenders().find((t=>t.track===e)))throw new DOMException("Track already exists.","InvalidAccessError")}));const t=this.getSenders();r.apply(this,arguments);const n=this.getSenders().filter((e=>-1===t.indexOf(e)));this._shimmedLocalStreams[e.id]=[e].concat(n)};const n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],n.apply(this,arguments)};const o=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach((t=>{const r=this._shimmedLocalStreams[t].indexOf(e);-1!==r&&this._shimmedLocalStreams[t].splice(r,1),1===this._shimmedLocalStreams[t].length&&delete this._shimmedLocalStreams[t]})),o.apply(this,arguments)}}exports.shimGetUserMedia=t.shimGetUserMedia,exports.fixNegotiationNeeded=function(t,r){r.version>102||e.wrapPeerConnectionEvent(t,"negotiationneeded",(e=>{const t=e.target;if(!(r.version<72||t.getConfiguration&&"plan-b"===t.getConfiguration().sdpSemantics)||"stable"===t.signalingState)return e}))},exports.shimAddTrackRemoveTrack=function(e,t){if(!e.RTCPeerConnection)return;if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return r(e);const n=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){const e=n.apply(this);return this._reverseStreams=this._reverseStreams||{},e.map((e=>this._reverseStreams[e.id]))};const o=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach((e=>{if(this.getSenders().find((t=>t.track===e)))throw new DOMException("Track already exists.","InvalidAccessError")})),!this._reverseStreams[t.id]){const r=new e.MediaStream(t.getTracks());this._streams[t.id]=r,this._reverseStreams[r.id]=t,t=r}o.apply(this,[t])};const s=e.RTCPeerConnection.prototype.removeStream;function i(e,t){let r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach((t=>{const n=e._reverseStreams[t],o=e._streams[n.id];r=r.replace(new RegExp(o.id,"g"),n.id)})),new RTCSessionDescription({type:t.type,sdp:r})}e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},s.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,r){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");const n=[].slice.call(arguments,1);if(1!==n.length||!n[0].getTracks().find((e=>e===t)))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");if(this.getSenders().find((e=>e.track===t)))throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};const o=this._streams[r.id];if(o)o.addTrack(t),Promise.resolve().then((()=>{this.dispatchEvent(new Event("negotiationneeded"))}));else{const n=new e.MediaStream([t]);this._streams[r.id]=n,this._reverseStreams[n.id]=r,this.addStream(n)}return this.getSenders().find((e=>e.track===t))},["createOffer","createAnswer"].forEach((function(t){const r=e.RTCPeerConnection.prototype[t],n={[t](){const e=arguments;return arguments.length&&"function"==typeof arguments[0]?r.apply(this,[t=>{const r=i(this,t);e[0].apply(null,[r])},t=>{e[1]&&e[1].apply(null,t)},arguments[2]]):r.apply(this,arguments).then((e=>i(this,e)))}};e.RTCPeerConnection.prototype[t]=n[t]}));const c=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=function(e,t){let r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach((t=>{const n=e._reverseStreams[t],o=e._streams[n.id];r=r.replace(new RegExp(n.id,"g"),o.id)})),new RTCSessionDescription({type:t.type,sdp:r})}(this,arguments[0]),c.apply(this,arguments)):c.apply(this,arguments)};const a=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get(){const e=a.get.apply(this);return""===e.type?e:i(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(e._pc===this))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");let t;this._streams=this._streams||{},Object.keys(this._streams).forEach((r=>{this._streams[r].getTracks().find((t=>e.track===t))&&(t=this._streams[r])})),t&&(1===t.getTracks().length?this.removeStream(this._reverseStreams[t.id]):t.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}},exports.shimAddTrackRemoveTrackWithNative=r,exports.shimGetSendersWithDtmf=function(e){if("object"==typeof e&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){const t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};const r=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,n){let o=r.apply(this,arguments);return o||(o=t(this,e),this._senders.push(o)),o};const n=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){n.apply(this,arguments);const t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}const r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._senders=this._senders||[],r.apply(this,[e]),e.getTracks().forEach((e=>{this._senders.push(t(this,e))}))};const n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._senders=this._senders||[],n.apply(this,[e]),e.getTracks().forEach((e=>{const t=this._senders.find((t=>t.track===e));t&&this._senders.splice(this._senders.indexOf(t),1)}))}}else if("object"==typeof e&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){const t=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach((e=>e._pc=this)),e},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}},exports.shimMediaStream=function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream},exports.shimOnTrack=function(t,r){if(!(r.version>102))if("object"==typeof t&&t.RTCPeerConnection&&!("ontrack"in t.RTCPeerConnection.prototype)){Object.defineProperty(t.RTCPeerConnection.prototype,"ontrack",{get(){return this._ontrack},set(e){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});const e=t.RTCPeerConnection.prototype.setRemoteDescription;t.RTCPeerConnection.prototype.setRemoteDescription=function(){return this._ontrackpoly||(this._ontrackpoly=e=>{e.stream.addEventListener("addtrack",(r=>{let n;n=t.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find((e=>e.track&&e.track.id===r.track.id)):{track:r.track};const o=new Event("track");o.track=r.track,o.receiver=n,o.transceiver={receiver:n},o.streams=[e.stream],this.dispatchEvent(o)})),e.stream.getTracks().forEach((r=>{let n;n=t.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find((e=>e.track&&e.track.id===r.id)):{track:r};const o=new Event("track");o.track=r,o.receiver=n,o.transceiver={receiver:n},o.streams=[e.stream],this.dispatchEvent(o)}))},this.addEventListener("addstream",this._ontrackpoly)),e.apply(this,arguments)}}else e.wrapPeerConnectionEvent(t,"track",(e=>(e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e)))},exports.shimPeerConnection=function(e,t){!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),e.RTCPeerConnection&&t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(t){const r=e.RTCPeerConnection.prototype[t],n={[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=n[t]}))},exports.shimSenderReceiverGetStats=function(t,r){if(r.version>=67)return;if(!("object"==typeof t&&t.RTCPeerConnection&&t.RTCRtpSender&&t.RTCRtpReceiver))return;if(!("getStats"in t.RTCRtpSender.prototype)){const r=t.RTCPeerConnection.prototype.getSenders;r&&(t.RTCPeerConnection.prototype.getSenders=function(){const e=r.apply(this,[]);return e.forEach((e=>e._pc=this)),e});const n=t.RTCPeerConnection.prototype.addTrack;n&&(t.RTCPeerConnection.prototype.addTrack=function(){const e=n.apply(this,arguments);return e._pc=this,e}),t.RTCRtpSender.prototype.getStats=function(){const t=this;return this._pc.getStats().then((r=>e.filterStats(r,t.track,!0)))}}if(!("getStats"in t.RTCRtpReceiver.prototype)){const r=t.RTCPeerConnection.prototype.getReceivers;r&&(t.RTCPeerConnection.prototype.getReceivers=function(){const e=r.apply(this,[]);return e.forEach((e=>e._pc=this)),e}),e.wrapPeerConnectionEvent(t,"track",(e=>(e.receiver._pc=e.srcElement,e))),t.RTCRtpReceiver.prototype.getStats=function(){const t=this;return this._pc.getStats().then((r=>e.filterStats(r,t.track,!1)))}}if(!("getStats"in t.RTCRtpSender.prototype)||!("getStats"in t.RTCRtpReceiver.prototype))return;const n=t.RTCPeerConnection.prototype.getStats;t.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof t.MediaStreamTrack){const e=arguments[0];let t,r,n;return this.getSenders().forEach((r=>{r.track===e&&(t?n=!0:t=r)})),this.getReceivers().forEach((t=>(t.track===e&&(r?n=!0:r=t),t.track===e))),n||t&&r?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):t?t.getStats():r?r.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return n.apply(this,arguments)}};
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