fix #189 startup is too slow

Wox/Helper/Forker.cs

@@ -1,145 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading;
-
-namespace Wox.Helper
-{
-    /// <summary>
-    /// Provides a caller-friendly wrapper around parallel actions.
-    /// http://stackoverflow.com/a/540380
-    /// </summary>
-    public sealed class Forker
-    {
-        int running;
-        private readonly object joinLock = new object(), eventLock = new object();
-
-        /// <summary>Raised when all operations have completed.</summary>
-        public event EventHandler AllComplete
-        {
-            add { lock (eventLock) { allComplete += value; } }
-            remove { lock (eventLock) { allComplete -= value; } }
-        }
-        private EventHandler allComplete;
-        /// <summary>Raised when each operation completes.</summary>
-        public event EventHandler<ParallelEventArgs> ItemComplete
-        {
-            add { lock (eventLock) { itemComplete += value; } }
-            remove { lock (eventLock) { itemComplete -= value; } }
-        }
-        private EventHandler<ParallelEventArgs> itemComplete;
-
-        private void OnItemComplete(object state, Exception exception)
-        {
-            EventHandler<ParallelEventArgs> itemHandler = itemComplete; // don't need to lock
-            if (itemHandler != null) itemHandler(this, new ParallelEventArgs(state, exception));
-            if (Interlocked.Decrement(ref running) == 0)
-            {
-                EventHandler allHandler = allComplete; // don't need to lock
-                if (allHandler != null) allHandler(this, EventArgs.Empty);
-                lock (joinLock)
-                {
-                    Monitor.PulseAll(joinLock);
-                }
-            }
-        }
-
-        /// <summary>Adds a callback to invoke when each operation completes.</summary>
-        /// <returns>Current instance (for fluent API).</returns>
-        public Forker OnItemComplete(EventHandler<ParallelEventArgs> handler)
-        {
-            if (handler == null) throw new ArgumentNullException("handler");
-            ItemComplete += handler;
-            return this;
-        }
-
-        /// <summary>Adds a callback to invoke when all operations are complete.</summary>
-        /// <returns>Current instance (for fluent API).</returns>
-        public Forker OnAllComplete(EventHandler handler)
-        {
-            if (handler == null) throw new ArgumentNullException("handler");
-            AllComplete += handler;
-            return this;
-        }
-
-        /// <summary>Waits for all operations to complete.</summary>
-        public void Join()
-        {
-            Join(-1);
-        }
-
-        /// <summary>Waits (with timeout) for all operations to complete.</summary>
-        /// <returns>Whether all operations had completed before the timeout.</returns>
-        public bool Join(int millisecondsTimeout)
-        {
-            lock (joinLock)
-            {
-                if (CountRunning() == 0) return true;
-                Thread.SpinWait(1); // try our luck...
-                return (CountRunning() == 0) ||
-                    Monitor.Wait(joinLock, millisecondsTimeout);
-            }
-        }
-
-        /// <summary>Indicates the number of incomplete operations.</summary>
-        /// <returns>The number of incomplete operations.</returns>
-        public int CountRunning()
-        {
-            return Interlocked.CompareExchange(ref running, 0, 0);
-        }
-
-        /// <summary>Enqueues an operation.</summary>
-        /// <param name="action">The operation to perform.</param>
-        /// <returns>The current instance (for fluent API).</returns>
-        public Forker Fork(ThreadStart action) { return Fork(action, null); }
-
-        /// <summary>Enqueues an operation.</summary>
-        /// <param name="action">The operation to perform.</param>
-        /// <param name="state">An opaque object, allowing the caller to identify operations.</param>
-        /// <returns>The current instance (for fluent API).</returns>
-        public Forker Fork(ThreadStart action, object state)
-        {
-            if (action == null) throw new ArgumentNullException("action");
-            Interlocked.Increment(ref running);
-            ThreadPool.QueueUserWorkItem(delegate
-            {
-                Exception exception = null;
-                try
-                {
-                    action();
-                }
-                catch (Exception ex)
-                {
-                    exception = ex;
-#if (DEBUG)
-                    {
-                        throw;
-                    }
-#endif
-                }
-                OnItemComplete(state, exception);
-            });
-            return this;
-        }
-
-
-        /// <summary>Event arguments representing the completion of a parallel action.</summary>
-        public class ParallelEventArgs : EventArgs
-        {
-            private readonly object state;
-            private readonly Exception exception;
-            internal ParallelEventArgs(object state, Exception exception)
-            {
-                this.state = state;
-                this.exception = exception;
-            }
-
-            /// <summary>The opaque state object that identifies the action (null otherwise).</summary>
-            public object State { get { return state; } }
-
-            /// <summary>The exception thrown by the parallel action, or null if it completed without exception.</summary>
-            public Exception Exception { get { return exception; } }
-        }
-    }
-}

Wox/PluginLoader/Plugins.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using Wox.Helper;
 using Wox.Infrastructure.Storage.UserSettings;
 using Wox.Plugin;
@@ -20,19 +21,16 @@ namespace Wox.PluginLoader
             plugins.AddRange(new CSharpPluginLoader().LoadPlugin(pluginMetadatas));
             plugins.AddRange(new BasePluginLoader<PythonPlugin>().LoadPlugin(pluginMetadatas));
 
-            Forker forker = new Forker();
             foreach (PluginPair pluginPair in plugins)
             {
                 PluginPair pair = pluginPair;
-                forker.Fork(() => pair.Plugin.Init(new PluginInitContext()
+                ThreadPool.QueueUserWorkItem(o => pair.Plugin.Init(new PluginInitContext()
                 {
                     CurrentPluginMetadata = pair.Metadata,
                     Proxy = HttpProxy.Instance,
                     API = App.Window
                 }));
             }
-
-            forker.Join();
         }
 
         public static List<PluginPair> AllPlugins

Wox/Wox.csproj

@@ -129,7 +129,6 @@
       <DependentUpon>WPFErrorReportingDialog.xaml</DependentUpon>
     </Compile>
     <Compile Include="Helper\FontHelper.cs" />
-    <Compile Include="Helper\Forker.cs" />
     <Compile Include="Helper\HttpProxy.cs" />
     <Compile Include="Helper\ImageLoader.cs" />
     <Compile Include="Helper\SingleInstance.cs" />