using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Threading; using Wox.Infrastructure.Storage.UserSettings; namespace Wox.Plugin.Program { internal class FileChangeWatcher { private static bool isIndexing = false; private static List watchedPath = new List(); public static void AddWatch(string path, bool includingSubDirectory = true) { if (watchedPath.Contains(path)) return; if (!Directory.Exists(path)) { Debug.WriteLine(string.Format("FileChangeWatcher: {0} doesn't exist", path),"WoxDebug"); return; } watchedPath.Add(path); foreach (string fileType in UserSettingStorage.Instance.ProgramSuffixes.Split(';')) { FileSystemWatcher watcher = new FileSystemWatcher { Path = path, IncludeSubdirectories = includingSubDirectory, Filter = string.Format("*.{0}", fileType), EnableRaisingEvents = true }; watcher.Changed += FileChanged; watcher.Created += FileChanged; watcher.Deleted += FileChanged; watcher.Renamed += FileChanged; } } private static void FileChanged(object source, FileSystemEventArgs e) { if (!isIndexing) { ThreadPool.QueueUserWorkItem(o => { Programs.IndexPrograms(); isIndexing = false; }); } } } }