openvidu-browser-fork
Version:
OpenVidu Browser fork
145 lines • 7.18 kB
JavaScript
;
/*
* (C) Copyright 2017-2018 OpenVidu (https://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 StreamPropertyChangedEvent_1 = require("../OpenViduInternal/Events/StreamPropertyChangedEvent");
var OpenViduError_1 = require("../OpenViduInternal/Enums/OpenViduError");
/**
* **WARNING**: experimental option. This interface may change in the near future
*
* Video/audio filter applied to a Stream. See [[Stream.applyFilter]]
*/
var Filter = /** @class */ (function () {
/**
* @hidden
*/
function Filter(type, options) {
/**
* @hidden
*/
this.handlers = {};
this.type = type;
this.options = options;
}
/**
* Executes a filter method. Available methods are specific for each filter
*
* @param method Name of the method
* @param params Parameters of the method
*/
Filter.prototype.execMethod = function (method, params) {
var _this = this;
return new Promise(function (resolve, reject) {
console.info('Executing filter method to stream ' + _this.stream.streamId);
var stringParams;
if (typeof params !== 'string') {
try {
stringParams = JSON.stringify(params);
}
catch (error) {
var errorMsg = "'params' property must be a JSON formatted object";
console.error(errorMsg);
reject(errorMsg);
}
}
else {
stringParams = params;
}
_this.stream.session.openvidu.sendRequest('execFilterMethod', { streamId: _this.stream.streamId, method: method, params: stringParams }, function (error, response) {
if (error) {
console.error('Error executing filter method for Stream ' + _this.stream.streamId, error);
if (error.code === 401) {
reject(new OpenViduError_1.OpenViduError(OpenViduError_1.OpenViduErrorName.OPENVIDU_PERMISSION_DENIED, "You don't have permissions to execute a filter method"));
}
else {
reject(error);
}
}
else {
console.info('Filter method successfully executed on Stream ' + _this.stream.streamId);
var oldValue = Object.assign({}, _this.stream.filter);
_this.stream.filter.lastExecMethod = { method: method, params: JSON.parse(stringParams) };
_this.stream.session.emitEvent('streamPropertyChanged', [new StreamPropertyChangedEvent_1.StreamPropertyChangedEvent(_this.stream.session, _this.stream, 'filter', _this.stream.filter, oldValue, 'execFilterMethod')]);
_this.stream.streamManager.emitEvent('streamPropertyChanged', [new StreamPropertyChangedEvent_1.StreamPropertyChangedEvent(_this.stream.streamManager, _this.stream, 'filter', _this.stream.filter, oldValue, 'execFilterMethod')]);
resolve();
}
});
});
};
/**
* Subscribe to certain filter event. Available events are specific for each filter
*
* @param eventType Event to which subscribe to.
* @param handler Function to execute upon event dispatched. It receives as parameter a [[FilterEvent]] object
*
* @returns A Promise (to which you can optionally subscribe to) that is resolved if the event listener was successfully attached to the filter and rejected with an Error object if not
*/
Filter.prototype.addEventListener = function (eventType, handler) {
var _this = this;
return new Promise(function (resolve, reject) {
console.info('Adding filter event listener to event ' + eventType + ' to stream ' + _this.stream.streamId);
_this.stream.session.openvidu.sendRequest('addFilterEventListener', { streamId: _this.stream.streamId, eventType: eventType }, function (error, response) {
if (error) {
console.error('Error adding filter event listener to event ' + eventType + 'for Stream ' + _this.stream.streamId, error);
if (error.code === 401) {
reject(new OpenViduError_1.OpenViduError(OpenViduError_1.OpenViduErrorName.OPENVIDU_PERMISSION_DENIED, "You don't have permissions to add a filter event listener"));
}
else {
reject(error);
}
}
else {
_this.handlers[eventType] = handler;
console.info('Filter event listener to event ' + eventType + ' successfully applied on Stream ' + _this.stream.streamId);
resolve();
}
});
});
};
/**
* Removes certain filter event listener previously set.
*
* @param eventType Event to unsubscribe from.
*
* @returns A Promise (to which you can optionally subscribe to) that is resolved if the event listener was successfully removed from the filter and rejected with an Error object in other case
*/
Filter.prototype.removeEventListener = function (eventType) {
var _this = this;
return new Promise(function (resolve, reject) {
console.info('Removing filter event listener to event ' + eventType + ' to stream ' + _this.stream.streamId);
_this.stream.session.openvidu.sendRequest('removeFilterEventListener', { streamId: _this.stream.streamId, eventType: eventType }, function (error, response) {
if (error) {
console.error('Error removing filter event listener to event ' + eventType + 'for Stream ' + _this.stream.streamId, error);
if (error.code === 401) {
reject(new OpenViduError_1.OpenViduError(OpenViduError_1.OpenViduErrorName.OPENVIDU_PERMISSION_DENIED, "You don't have permissions to add a filter event listener"));
}
else {
reject(error);
}
}
else {
delete _this.handlers[eventType];
console.info('Filter event listener to event ' + eventType + ' successfully removed on Stream ' + _this.stream.streamId);
resolve();
}
});
});
};
return Filter;
}());
exports.Filter = Filter;
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