update components

dashboard-ui/bower_components/hls.js/src/event-handler.js

@@ -0,0 +1,66 @@
+/*
+*
+* All objects in the event handling chain should inherit from this class
+*
+*/
+
+//import {logger} from './utils/logger';
+
+class EventHandler {
+
+  constructor(hls, ...events) {
+    this.hls = hls;
+    this.onEvent = this.onEvent.bind(this);
+    this.handledEvents = events;
+    this.useGenericHandler = true;
+
+    this.registerListeners();
+  }
+
+  destroy() {
+    this.unregisterListeners();
+  }
+
+  isEventHandler() {
+    return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';
+  }
+
+  registerListeners() {
+    if (this.isEventHandler()) {
+      this.handledEvents.forEach(function(event) {
+        if (event === 'hlsEventGeneric') {
+          throw new Error('Forbidden event name: ' + event);
+        }
+        this.hls.on(event, this.onEvent);
+      }.bind(this));
+    }
+  }
+
+  unregisterListeners() {
+    if (this.isEventHandler()) {
+      this.handledEvents.forEach(function(event) {
+        this.hls.off(event, this.onEvent);
+      }.bind(this));
+    }
+  }
+
+  /*
+  * arguments: event (string), data (any)
+  */
+  onEvent(event, data) {
+    this.onEventGeneric(event, data);
+  }
+
+  onEventGeneric(event, data) {
+    var eventToFunction = function(event, data) {
+      var funcName = 'on' + event.replace('hls', '');
+      if (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);
+    };
+    eventToFunction.call(this, event, data).call();
+  }
+}
+
+export default EventHandler;