First round of dead file removal

experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/FileChangeManager.cs

Index: experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/FileChangeManager.cs
diff --git a/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/FileChangeManager.cs b/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/FileChangeManager.cs
deleted file mode 100644
index f6f9d3848e93a944f05d6c1552f0f62b67e1eaa7..0000000000000000000000000000000000000000
--- a/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/FileChangeManager.cs
+++ /dev/null
@@ -1,269 +0,0 @@
-/// Copyright (c) Microsoft Corporation.  All rights reserved.
-
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using Microsoft.VisualStudio;
-using Microsoft.VisualStudio.Shell.Interop;
-using IServiceProvider = System.IServiceProvider;
-
-namespace Microsoft.VisualStudio.Project
-{
-	/// <summary>
-	/// This object is in charge of reloading nodes that have file monikers that can be listened to changes
-	/// </summary>
-	internal class FileChangeManager : IVsFileChangeEvents
-	{
-		#region nested objects
-		/// <summary>
-		/// Defines a data structure that can link a item moniker to the item and its file change cookie.
-		/// </summary>
-		private struct ObservedItemInfo
-		{
-			/// <summary>
-			/// Defines the id of the item that is to be reloaded.
-			/// </summary>
-			private uint itemID;
-
-			/// <summary>
-			/// Defines the file change cookie that is returned when listening on file changes on the nested project item.
-			/// </summary>
-			private uint fileChangeCookie;
-
-			/// <summary>
-			/// Defines the nested project item that is to be reloaded.
-			/// </summary>
-			internal uint ItemID
-			{
-				get
-				{
-					return this.itemID;
-				}
-
-				set
-				{
-					this.itemID = value;
-				}
-			}
-
-			/// <summary>
-			/// Defines the file change cookie that is returned when listenning on file changes on the nested project item.
-			/// </summary>
-			internal uint FileChangeCookie
-			{
-				get
-				{
-					return this.fileChangeCookie;
-				}
-
-				set
-				{
-					this.fileChangeCookie = value;
-				}
-			}
-		}
-		#endregion
-
-		#region Fields
-		/// <summary>
-		/// Event that is raised when one of the observed file names have changed on disk.
-		/// </summary>
-		internal event EventHandler<FileChangedOnDiskEventArgs> FileChangedOnDisk;
-
-		/// <summary>
-		/// Reference to the FileChange service.
-		/// </summary>
-		private IVsFileChangeEx fileChangeService;
-
-		/// <summary>
-		/// Maps between the observed item identified by its filename (in canonicalized form) and the cookie used for subscribing 
-		/// to the events.
-		/// </summary>
-		private Dictionary<string, ObservedItemInfo> observedItems = new Dictionary<string, ObservedItemInfo>();
-
-		/// <summary>
-		/// Has Disposed already been called?
-		/// </summary>
-		private bool disposed;
-		#endregion
-
-		#region Constructor
-		/// <summary>
-		/// Overloaded ctor.
-		/// </summary>
-		/// <param name="nodeParam">An instance of a project item.</param>
-		internal FileChangeManager(IServiceProvider serviceProvider)
-		{
-			#region input validation
-			if(serviceProvider == null)
-			{
-				throw new ArgumentNullException("serviceProvider");
-			}
-			#endregion
-
-			this.fileChangeService = (IVsFileChangeEx)serviceProvider.GetService(typeof(SVsFileChangeEx));
-
-			if(this.fileChangeService == null)
-			{
-				// VS is in bad state, since the SVsFileChangeEx could not be proffered.
-				throw new InvalidOperationException();
-			}
-		}
-		#endregion
-
-		#region IDisposable Members
-		/// <summary>
-		/// Disposes resources.
-		/// </summary>
-		public void Dispose()
-		{
-			// Don't dispose more than once
-			if(this.disposed)
-			{
-				return;
-			}
-
-			this.disposed = true;
-
-			// Unsubscribe from the observed source files.
-			foreach(ObservedItemInfo info in this.observedItems.Values)
-			{
-				ErrorHandler.ThrowOnFailure(this.fileChangeService.UnadviseFileChange(info.FileChangeCookie));
-			}
-
-			// Clean the observerItems list
-			this.observedItems.Clear();
-		}
-		#endregion
-
-		#region IVsFileChangeEvents Members
-		/// <summary>
-		/// Called when one of the file have changed on disk.
-		/// </summary>
-		/// <param name="numberOfFilesChanged">Number of files changed.</param>
-		/// <param name="filesChanged">Array of file names.</param>
-		/// <param name="flags">Array of flags indicating the type of changes. See _VSFILECHANGEFLAGS.</param>
-		/// <returns>If the method succeeds, it returns S_OK. If it fails, it returns an error code.</returns>
-		int IVsFileChangeEvents.FilesChanged(uint numberOfFilesChanged, string[] filesChanged, uint[] flags)
-		{
-			if(this.FileChangedOnDisk != null)
-			{
-				for(int i = 0; i < numberOfFilesChanged; i++)
-				{
-					string fullFileName = Utilities.CanonicalizeFileName(filesChanged[i]);
-					if(this.observedItems.ContainsKey(fullFileName))
-					{
-						ObservedItemInfo info = this.observedItems[fullFileName];
-						this.FileChangedOnDisk(this, new FileChangedOnDiskEventArgs(fullFileName, info.ItemID, (_VSFILECHANGEFLAGS)flags[i]));
-					}
-				}
-			}
-
-			return VSConstants.S_OK;
-		}
-
-		/// <summary>
-		/// Notifies clients of changes made to a directory. 
-		/// </summary>
-		/// <param name="directory">Name of the directory that had a change.</param>
-		/// <returns>If the method succeeds, it returns S_OK. If it fails, it returns an error code. </returns>
-		int IVsFileChangeEvents.DirectoryChanged(string directory)
-		{
-			return VSConstants.S_OK;
-		}
-		#endregion
-
-		#region helpers
-		/// <summary>
-		/// Observe when the given file is updated on disk. In this case we do not care about the item id that represents the file in the hierarchy.
-		/// </summary>
-		/// <param name="fileName">File to observe.</param>
-		internal void ObserveItem(string fileName)
-		{
-			this.ObserveItem(fileName, VSConstants.VSITEMID_NIL);
-		}
-
-		/// <summary>
-		/// Observe when the given file is updated on disk.
-		/// </summary>
-		/// <param name="fileName">File to observe.</param>
-		/// <param name="id">The item id of the item to observe.</param>
-		internal void ObserveItem(string fileName, uint id)
-		{
-			#region Input validation
-			if(String.IsNullOrEmpty(fileName))
-			{
-				throw new ArgumentException(SR.GetString(SR.InvalidParameter, CultureInfo.CurrentUICulture), "fileName");
-			}
-			#endregion
-
-			string fullFileName = Utilities.CanonicalizeFileName(fileName);
-			if(!this.observedItems.ContainsKey(fullFileName))
-			{
-				// Observe changes to the file
-				uint fileChangeCookie;
-				ErrorHandler.ThrowOnFailure(this.fileChangeService.AdviseFileChange(fullFileName, (uint)(_VSFILECHANGEFLAGS.VSFILECHG_Time | _VSFILECHANGEFLAGS.VSFILECHG_Del), this, out fileChangeCookie));
-
-				ObservedItemInfo itemInfo = new ObservedItemInfo();
-				itemInfo.ItemID = id;
-				itemInfo.FileChangeCookie = fileChangeCookie;
-
-				// Remember that we're observing this file (used in FilesChanged event handler)
-				this.observedItems.Add(fullFileName, itemInfo);
-			}
-		}
-
-		/// <summary>
-		/// Ignore item file changes for the specified item.
-		/// </summary>
-		/// <param name="fileName">File to ignore observing.</param>
-		/// <param name="ignore">Flag indicating whether or not to ignore changes (1 to ignore, 0 to stop ignoring).</param>
-		internal void IgnoreItemChanges(string fileName, bool ignore)
-		{
-			#region Input validation
-			if(String.IsNullOrEmpty(fileName))
-			{
-				throw new ArgumentException(SR.GetString(SR.InvalidParameter, CultureInfo.CurrentUICulture), "fileName");
-			}
-			#endregion
-
-			string fullFileName = Utilities.CanonicalizeFileName(fileName);
-			if(this.observedItems.ContainsKey(fullFileName))
-			{
-				// Call ignore file with the flags specified.
-				ErrorHandler.ThrowOnFailure(this.fileChangeService.IgnoreFile(0, fileName, ignore ? 1 : 0));
-			}
-		}
-
-		/// <summary>
-		/// Stop observing when the file is updated on disk.
-		/// </summary>
-		/// <param name="fileName">File to stop observing.</param>
-		internal void StopObservingItem(string fileName)
-		{
-			#region Input validation
-			if(String.IsNullOrEmpty(fileName))
-			{
-				throw new ArgumentException(SR.GetString(SR.InvalidParameter, CultureInfo.CurrentUICulture), "fileName");
-			}
-			#endregion
-
-			string fullFileName = Utilities.CanonicalizeFileName(fileName);
-
-			if(this.observedItems.ContainsKey(fullFileName))
-			{
-				// Get the cookie that was used for this.observedItems to this file.
-				ObservedItemInfo itemInfo = this.observedItems[fullFileName];
-
-				// Remove the file from our observed list. It's important that this is done before the call to 
-				// UnadviseFileChange, because for some reason, the call to UnadviseFileChange can trigger a 
-				// FilesChanged event, and we want to be able to filter that event away.
-				this.observedItems.Remove(fullFileName);
-
-				// Stop observing the file
-				ErrorHandler.ThrowOnFailure(this.fileChangeService.UnadviseFileChange(itemInfo.FileChangeCookie));
-			}
-		}
-		#endregion
-	}
-}