Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | 1x 525x 525x 525x 525x 525x 525x 525x 525x 3038x 3038x 472x 472x 472x 472x 472x 472x 472x 32x 32x | /* * * All objects in the event handling chain should inherit from this class * */ import { logger } from './utils/logger'; import { ErrorTypes, ErrorDetails } from './errors'; import Event from './events'; const FORBIDDEN_EVENT_NAMES = new Set([ 'hlsEventGeneric', 'hlsHandlerDestroying', 'hlsHandlerDestroyed' ]); class EventHandler { constructor (hls, ...events) { this.hls = hls; this.onEvent = this.onEvent.bind(this); this.handledEvents = events; this.useGenericHandler = true; this.registerListeners(); } destroy () { this.onHandlerDestroying(); this.unregisterListeners(); this.onHandlerDestroyed(); } onHandlerDestroying () {} onHandlerDestroyed () {} isEventHandler () { return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function'; } registerListeners () { Eif (this.isEventHandler()) { this.handledEvents.forEach(function (event) { Iif (FORBIDDEN_EVENT_NAMES.has(event)) throw new Error('Forbidden event-name: ' + event); this.hls.on(event, this.onEvent); }, this); } } unregisterListeners () { if (this.isEventHandler()) { this.handledEvents.forEach(function (event) { this.hls.off(event, this.onEvent); }, this); } } /** * arguments: event (string), data (any) */ onEvent (event, data) { this.onEventGeneric(event, data); } onEventGeneric (event, data) { let eventToFunction = function (event, data) { let funcName = 'on' + event.replace('hls', ''); Iif (typeof this[funcName] !== 'function') throw new Error(`Event ${event} has no generic handler in this ${this.constructor.name} class (tried ${funcName})`); return this[funcName].bind(this, data); }; try { eventToFunction.call(this, event, data).call(); } catch (err) { logger.error(`An internal error happened while handling event ${event}. Error message: "${err.message}". Here is a stacktrace:`, err); this.hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err }); } } } export default EventHandler; |