openvidu/openvidu-browser/lib/OpenVidu/Publisher.js

477 lines
24 KiB
JavaScript

"use strict";
/*
* (C) Copyright 2017-2018 OpenVidu (http://openvidu.io/)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
exports.__esModule = true;
var __1 = require("..");
var StreamEvent_1 = require("../OpenViduInternal/Events/StreamEvent");
var VideoElementEvent_1 = require("../OpenViduInternal/Events/VideoElementEvent");
var OpenViduError_1 = require("../OpenViduInternal/Enums/OpenViduError");
var EventEmitter = require("wolfy87-eventemitter");
/**
* Packs local media streams. Participants can publish it to a session. Initialized with [[OpenVidu.initPublisher]] method
*/
var Publisher = /** @class */ (function () {
/**
* @hidden
*/
function Publisher(targetElement, properties, openvidu) {
var _this = this;
this.openvidu = openvidu;
/**
* Whether the Publisher has been granted access to the requested input devices or not
*/
this.accessAllowed = false;
this.ee = new EventEmitter();
this.properties = properties;
this.stream = new __1.Stream(this.session, { publisherProperties: properties, mediaConstraints: {} });
this.stream.on('video-removed', function (element) {
_this.ee.emitEvent('videoElementDestroyed', [new VideoElementEvent_1.VideoElementEvent(element, _this, 'videoElementDestroyed')]);
});
this.stream.on('stream-destroyed-by-disconnect', function (reason) {
var streamEvent = new StreamEvent_1.StreamEvent(true, _this, 'streamDestroyed', _this.stream, reason);
_this.ee.emitEvent('streamDestroyed', [streamEvent]);
streamEvent.callDefaultBehaviour();
});
if (typeof targetElement === 'string') {
var e = document.getElementById(targetElement);
if (!!e) {
this.element = e;
}
}
else if (targetElement instanceof HTMLElement) {
this.element = targetElement;
}
if (!this.element) {
console.warn("The provided 'targetElement' for the Publisher couldn't be resolved to any HTML element: " + targetElement);
}
}
/**
* Publish or unpublish the audio stream (if available). Calling this method twice in a row passing same value will have no effect
* @param value `true` to publish the audio stream, `false` to unpublish it
*/
Publisher.prototype.publishAudio = function (value) {
this.stream.getWebRtcPeer().audioEnabled = value;
console.info("'Publisher' has " + (value ? 'published' : 'unpublished') + ' its audio stream');
};
/**
* Publish or unpublish the video stream (if available). Calling this method twice in a row passing same value will have no effect
* @param value `true` to publish the video stream, `false` to unpublish it
*/
Publisher.prototype.publishVideo = function (value) {
this.stream.getWebRtcPeer().videoEnabled = value;
console.info("'Publisher' has " + (value ? 'published' : 'unpublished') + ' its video stream');
};
/**
* Call this method before [[Session.publish]] to subscribe to your Publisher's stream as any other user would do. The local video will be automatically replaced by the remote video
*/
Publisher.prototype.subscribeToRemote = function () {
this.stream.subscribeToMyRemote();
};
/**
* See [[EventDispatcher.on]]
*/
Publisher.prototype.on = function (type, handler) {
var _this = this;
this.ee.on(type, function (event) {
if (event) {
console.info("Event '" + type + "' triggered by 'Publisher'", event);
}
else {
console.info("Event '" + type + "' triggered by 'Publisher'");
}
handler(event);
});
if (type === 'streamCreated') {
if (!!this.stream && this.stream.isPublisherPublished) {
this.ee.emitEvent('streamCreated', [new StreamEvent_1.StreamEvent(false, this, 'streamCreated', this.stream, '')]);
}
else {
this.stream.on('stream-created-by-publisher', function () {
_this.ee.emitEvent('streamCreated', [new StreamEvent_1.StreamEvent(false, _this, 'streamCreated', _this.stream, '')]);
});
}
}
if (type === 'videoElementCreated') {
if (!!this.stream && this.stream.isVideoELementCreated) {
this.ee.emitEvent('videoElementCreated', [new VideoElementEvent_1.VideoElementEvent(this.stream.getVideoElement(), this, 'videoElementCreated')]);
}
else {
this.stream.on('video-element-created-by-stream', function (element) {
_this.id = element.id;
_this.ee.emitEvent('videoElementCreated', [new VideoElementEvent_1.VideoElementEvent(element.element, _this, 'videoElementCreated')]);
});
}
}
if (type === 'videoPlaying') {
var video = this.stream.getVideoElement();
if (!this.stream.displayMyRemote() && video &&
video.currentTime > 0 &&
video.paused === false &&
video.ended === false &&
video.readyState === 4) {
this.ee.emitEvent('videoPlaying', [new VideoElementEvent_1.VideoElementEvent(this.stream.getVideoElement(), this, 'videoPlaying')]);
}
else {
this.stream.on('video-is-playing', function (element) {
_this.ee.emitEvent('videoPlaying', [new VideoElementEvent_1.VideoElementEvent(element.element, _this, 'videoPlaying')]);
});
}
}
if (type === 'remoteVideoPlaying') {
var video = this.stream.getVideoElement();
if (this.stream.displayMyRemote() && video &&
video.currentTime > 0 &&
video.paused === false &&
video.ended === false &&
video.readyState === 4) {
this.ee.emitEvent('remoteVideoPlaying', [new VideoElementEvent_1.VideoElementEvent(this.stream.getVideoElement(), this, 'remoteVideoPlaying')]);
}
else {
this.stream.on('remote-video-is-playing', function (element) {
_this.ee.emitEvent('remoteVideoPlaying', [new VideoElementEvent_1.VideoElementEvent(element.element, _this, 'remoteVideoPlaying')]);
});
}
}
if (type === 'accessAllowed') {
if (this.stream.accessIsAllowed) {
this.ee.emitEvent('accessAllowed');
}
}
if (type === 'accessDenied') {
if (this.stream.accessIsDenied) {
this.ee.emitEvent('accessDenied');
}
}
return this;
};
/**
* See [[EventDispatcher.once]]
*/
Publisher.prototype.once = function (type, handler) {
var _this = this;
this.ee.once(type, function (event) {
if (event) {
console.info("Event '" + type + "' triggered by 'Publisher'", event);
}
else {
console.info("Event '" + type + "' triggered by 'Publisher'");
}
handler(event);
});
if (type === 'streamCreated') {
if (!!this.stream && this.stream.isPublisherPublished) {
this.ee.emitEvent('streamCreated', [new StreamEvent_1.StreamEvent(false, this, 'streamCreated', this.stream, '')]);
}
else {
this.stream.once('stream-created-by-publisher', function () {
_this.ee.emitEvent('streamCreated', [new StreamEvent_1.StreamEvent(false, _this, 'streamCreated', _this.stream, '')]);
});
}
}
if (type === 'videoElementCreated') {
if (!!this.stream && this.stream.isVideoELementCreated) {
this.ee.emitEvent('videoElementCreated', [new VideoElementEvent_1.VideoElementEvent(this.stream.getVideoElement(), this, 'videoElementCreated')]);
}
else {
this.stream.once('video-element-created-by-stream', function (element) {
_this.id = element.id;
_this.ee.emitEvent('videoElementCreated', [new VideoElementEvent_1.VideoElementEvent(element.element, _this, 'videoElementCreated')]);
});
}
}
if (type === 'videoPlaying') {
var video = this.stream.getVideoElement();
if (!this.stream.displayMyRemote() && video &&
video.currentTime > 0 &&
video.paused === false &&
video.ended === false &&
video.readyState === 4) {
this.ee.emitEvent('videoPlaying', [new VideoElementEvent_1.VideoElementEvent(this.stream.getVideoElement(), this, 'videoPlaying')]);
}
else {
this.stream.once('video-is-playing', function (element) {
_this.ee.emitEvent('videoPlaying', [new VideoElementEvent_1.VideoElementEvent(element.element, _this, 'videoPlaying')]);
});
}
}
if (type === 'remoteVideoPlaying') {
var video = this.stream.getVideoElement();
if (this.stream.displayMyRemote() && video &&
video.currentTime > 0 &&
video.paused === false &&
video.ended === false &&
video.readyState === 4) {
this.ee.emitEvent('remoteVideoPlaying', [new VideoElementEvent_1.VideoElementEvent(this.stream.getVideoElement(), this, 'remoteVideoPlaying')]);
}
else {
this.stream.once('remote-video-is-playing', function (element) {
_this.ee.emitEvent('remoteVideoPlaying', [new VideoElementEvent_1.VideoElementEvent(element.element, _this, 'remoteVideoPlaying')]);
});
}
}
if (type === 'accessAllowed') {
if (this.stream.accessIsAllowed) {
this.ee.emitEvent('accessAllowed');
}
}
if (type === 'accessDenied') {
if (this.stream.accessIsDenied) {
this.ee.emitEvent('accessDenied');
}
}
return this;
};
/**
* See [[EventDispatcher.off]]
*/
Publisher.prototype.off = function (type, handler) {
if (!handler) {
this.ee.removeAllListeners(type);
}
else {
this.ee.off(type, handler);
}
return this;
};
/* Hidden methods */
/**
* @hidden
*/
Publisher.prototype.initialize = function () {
var _this = this;
return new Promise(function (resolve, reject) {
var errorCallback = function (openViduError) {
_this.stream.accessIsDenied = true;
_this.stream.accessIsAllowed = false;
reject(openViduError);
};
var successCallback = function (mediaStream) {
_this.stream.accessIsAllowed = true;
_this.stream.accessIsDenied = false;
if (_this.openvidu.isMediaStreamTrack(_this.properties.audioSource)) {
mediaStream.removeTrack(mediaStream.getAudioTracks()[0]);
mediaStream.addTrack(_this.properties.audioSource);
}
if (_this.openvidu.isMediaStreamTrack(_this.properties.videoSource)) {
mediaStream.removeTrack(mediaStream.getVideoTracks()[0]);
mediaStream.addTrack(_this.properties.videoSource);
}
// Apply PublisherProperties.publishAudio and PublisherProperties.publishVideo
if (!!mediaStream.getAudioTracks()[0]) {
mediaStream.getAudioTracks()[0].enabled = !!_this.stream.outboundStreamOpts.publisherProperties.publishAudio;
}
if (!!mediaStream.getVideoTracks()[0]) {
mediaStream.getVideoTracks()[0].enabled = !!_this.stream.outboundStreamOpts.publisherProperties.publishVideo;
}
_this.stream.setMediaStream(mediaStream);
_this.stream.insertVideo(_this.element, _this.properties.insertMode);
resolve();
};
_this.openvidu.generateMediaConstraints(_this.properties)
.then(function (constraints) {
var outboundStreamOptions = {
mediaConstraints: constraints,
publisherProperties: _this.properties
};
_this.stream.setOutboundStreamOptions(outboundStreamOptions);
// Ask independently for audio stream and video stream. If the user asks for both of them and one is blocked, the method still
// success only with the allowed input. This is not the desierd behaviour: if any of them is blocked, access should be denied
var constraintsAux = {};
var timeForDialogEvent = 1000;
if (_this.stream.isSendVideo()) {
constraintsAux.audio = false;
constraintsAux.video = constraints.video;
var startTime_1 = Date.now();
_this.setPermissionDialogTimer(timeForDialogEvent);
navigator.mediaDevices.getUserMedia(constraintsAux)
.then(function (videoOnlyStream) {
_this.clearPermissionDialogTimer(startTime_1, timeForDialogEvent);
if (_this.stream.isSendAudio()) {
constraintsAux.audio = (constraints.audio === undefined) ? true : constraints.audio;
constraintsAux.video = false;
startTime_1 = Date.now();
_this.setPermissionDialogTimer(timeForDialogEvent);
navigator.mediaDevices.getUserMedia(constraintsAux)
.then(function (audioOnlyStream) {
_this.clearPermissionDialogTimer(startTime_1, timeForDialogEvent);
videoOnlyStream.addTrack(audioOnlyStream.getAudioTracks()[0]);
successCallback(videoOnlyStream);
})["catch"](function (error) {
_this.clearPermissionDialogTimer(startTime_1, timeForDialogEvent);
videoOnlyStream.getVideoTracks().forEach(function (track) {
track.stop();
});
var errorName;
var errorMessage;
switch (error.name.toLowerCase()) {
case 'notfounderror':
errorName = OpenViduError_1.OpenViduErrorName.INPUT_AUDIO_DEVICE_NOT_FOUND;
errorMessage = error.toString();
break;
case 'notallowederror':
errorName = OpenViduError_1.OpenViduErrorName.MICROPHONE_ACCESS_DENIED;
errorMessage = error.toString();
break;
case 'overconstrainederror':
if (error.constraint.toLowerCase() === 'deviceid') {
errorName = OpenViduError_1.OpenViduErrorName.INPUT_AUDIO_DEVICE_NOT_FOUND;
errorMessage = "Audio input device with deviceId '" + constraints.audio.deviceId.exact + "' not found";
}
else {
errorName = OpenViduError_1.OpenViduErrorName.PUBLISHER_PROPERTIES_ERROR;
errorMessage = "Audio input device doesn't support the value passed for constraint '" + error.constraint + "'";
}
}
errorCallback(new OpenViduError_1.OpenViduError(errorName, errorMessage));
});
}
else {
successCallback(videoOnlyStream);
}
})["catch"](function (error) {
_this.clearPermissionDialogTimer(startTime_1, timeForDialogEvent);
var errorName;
var errorMessage;
switch (error.name.toLowerCase()) {
case 'notfounderror':
errorName = OpenViduError_1.OpenViduErrorName.INPUT_VIDEO_DEVICE_NOT_FOUND;
errorMessage = error.toString();
break;
case 'notallowederror':
errorName = _this.stream.isSendScreen() ? OpenViduError_1.OpenViduErrorName.SCREEN_CAPTURE_DENIED : OpenViduError_1.OpenViduErrorName.CAMERA_ACCESS_DENIED;
errorMessage = error.toString();
break;
case 'overconstrainederror':
if (error.constraint.toLowerCase() === 'deviceid') {
errorName = OpenViduError_1.OpenViduErrorName.INPUT_VIDEO_DEVICE_NOT_FOUND;
errorMessage = "Video input device with deviceId '" + constraints.video.deviceId.exact + "' not found";
}
else {
errorName = OpenViduError_1.OpenViduErrorName.PUBLISHER_PROPERTIES_ERROR;
errorMessage = "Video input device doesn't support the value passed for constraint '" + error.constraint + "'";
}
}
errorCallback(new OpenViduError_1.OpenViduError(errorName, errorMessage));
});
}
else if (_this.stream.isSendAudio()) {
constraintsAux.audio = (constraints.audio === undefined) ? true : constraints.audio;
constraintsAux.video = false;
var startTime_2 = Date.now();
_this.setPermissionDialogTimer(timeForDialogEvent);
navigator.mediaDevices.getUserMedia(constraints)
.then(function (audioOnlyStream) {
_this.clearPermissionDialogTimer(startTime_2, timeForDialogEvent);
successCallback(audioOnlyStream);
})["catch"](function (error) {
_this.clearPermissionDialogTimer(startTime_2, timeForDialogEvent);
var errorName;
var errorMessage;
switch (error.name.toLowerCase()) {
case 'notfounderror':
errorName = OpenViduError_1.OpenViduErrorName.INPUT_AUDIO_DEVICE_NOT_FOUND;
errorMessage = error.toString();
break;
case 'notallowederror':
errorName = OpenViduError_1.OpenViduErrorName.MICROPHONE_ACCESS_DENIED;
errorMessage = error.toString();
break;
case 'overconstrainederror':
if (error.constraint.toLowerCase() === 'deviceid') {
errorName = OpenViduError_1.OpenViduErrorName.INPUT_AUDIO_DEVICE_NOT_FOUND;
errorMessage = "Audio input device with deviceId '" + constraints.audio.deviceId.exact + "' not found";
}
else {
errorName = OpenViduError_1.OpenViduErrorName.PUBLISHER_PROPERTIES_ERROR;
errorMessage = "Audio input device doesn't support the value passed for constraint '" + error.constraint + "'";
}
}
errorCallback(new OpenViduError_1.OpenViduError(errorName, errorMessage));
});
}
else {
reject(new OpenViduError_1.OpenViduError(OpenViduError_1.OpenViduErrorName.NO_INPUT_SOURCE_SET, "Properties 'audioSource' and 'videoSource' cannot be set to false or null at the same time when calling 'OpenVidu.initPublisher'"));
}
})["catch"](function (error) {
errorCallback(error);
});
});
};
/**
* @hidden
*/
Publisher.prototype.updateSession = function (session) {
this.session = session;
this.stream.session = session;
};
/**
* @hidden
*/
Publisher.prototype.emitEvent = function (type, eventArray) {
this.ee.emitEvent(type, eventArray);
};
/* Private methods */
Publisher.prototype.setPermissionDialogTimer = function (waitTime) {
var _this = this;
this.permissionDialogTimeout = setTimeout(function () {
_this.ee.emitEvent('accessDialogOpened', []);
}, waitTime);
};
Publisher.prototype.clearPermissionDialogTimer = function (startTime, waitTime) {
clearTimeout(this.permissionDialogTimeout);
if ((Date.now() - startTime) > waitTime) {
// Permission dialog was shown and now is closed
this.ee.emitEvent('accessDialogClosed', []);
}
};
/* Private methods */
Publisher.prototype.userMediaHasVideo = function (callback) {
var _this = this;
return new Promise(function (resolve, reject) {
// If the user is going to publish its screen there's a video source
if ((typeof _this.properties.videoSource === 'string') && _this.properties.videoSource === 'screen') {
resolve(true);
}
else {
_this.openvidu.getDevices()
.then(function (devices) {
resolve(!!(devices.filter(function (device) {
return device.kind === 'videoinput';
})[0]));
})["catch"](function (error) {
reject(error);
});
}
});
};
Publisher.prototype.userMediaHasAudio = function (callback) {
var _this = this;
return new Promise(function (resolve, reject) {
_this.openvidu.getDevices()
.then(function (devices) {
resolve(!!(devices.filter(function (device) {
return device.kind === 'audioinput';
})[0]));
})["catch"](function (error) {
reject(error);
});
});
};
return Publisher;
}());
exports.Publisher = Publisher;
//# sourceMappingURL=Publisher.js.map