using MediaBrowser.Model.Logging; using System; using System.Threading.Tasks; namespace MediaBrowser.Common.Events { /// <summary> /// Class EventHelper /// </summary> public static class EventHelper { /// <summary> /// Fires the event. /// </summary> /// <param name="handler">The handler.</param> /// <param name="sender">The sender.</param> /// <param name="args">The <see cref="EventArgs" /> instance containing the event data.</param> /// <param name="logger">The logger.</param> public static void QueueEventIfNotNull(EventHandler handler, object sender, EventArgs args, ILogger logger) { if (handler != null) { Task.Run(() => { try { handler(sender, args); } catch (Exception ex) { logger.ErrorException("Error in event handler", ex); } }); } } /// <summary> /// Queues the event. /// </summary> /// <typeparam name="T"></typeparam> /// <param name="handler">The handler.</param> /// <param name="sender">The sender.</param> /// <param name="args">The args.</param> /// <param name="logger">The logger.</param> public static void QueueEventIfNotNull<T>(EventHandler<T> handler, object sender, T args, ILogger logger) { if (handler != null) { Task.Run(() => { try { handler(sender, args); } catch (Exception ex) { logger.ErrorException("Error in event handler", ex); } }); } } /// <summary> /// Fires the event. /// </summary> /// <param name="handler">The handler.</param> /// <param name="sender">The sender.</param> /// <param name="args">The <see cref="EventArgs" /> instance containing the event data.</param> /// <param name="logger">The logger.</param> public static void FireEventIfNotNull(EventHandler handler, object sender, EventArgs args, ILogger logger) { if (handler != null) { try { handler(sender, args); } catch (Exception ex) { logger.ErrorException("Error in event handler", ex); } } } /// <summary> /// Fires the event. /// </summary> /// <typeparam name="T"></typeparam> /// <param name="handler">The handler.</param> /// <param name="sender">The sender.</param> /// <param name="args">The args.</param> /// <param name="logger">The logger.</param> public static void FireEventIfNotNull<T>(EventHandler<T> handler, object sender, T args, ILogger logger) { if (handler != null) { try { handler(sender, args); } catch (Exception ex) { logger.ErrorException("Error in event handler", ex); } } } } }