First round of dead file removal

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

Index: experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/TrackDocumentsHelper.cs
diff --git a/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/TrackDocumentsHelper.cs b/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/TrackDocumentsHelper.cs
deleted file mode 100644
index 133b990cce00731ba0bcc39622ce75bf3455ccaa..0000000000000000000000000000000000000000
--- a/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/TrackDocumentsHelper.cs
+++ /dev/null
@@ -1,165 +0,0 @@
-/// Copyright (c) Microsoft Corporation.  All rights reserved.
-
-using System;
-using System.Diagnostics;
-using Microsoft.VisualStudio;
-using Microsoft.VisualStudio.Shell.Interop;
-
-namespace Microsoft.VisualStudio.Project
-{
-	/// <summary>
-	/// Used by a project to query the environment for permission to add, remove, or rename a file or directory in a solution
-	/// </summary>
-	internal class TrackDocumentsHelper
-	{
-		#region fields
-		private ProjectNode projectMgr;
-		#endregion
-
-		#region properties
-
-		#endregion
-
-		#region ctors
-		internal TrackDocumentsHelper(ProjectNode project)
-		{
-			this.projectMgr = project;
-		}
-		#endregion
-
-		#region helper methods
-		/// <summary>
-		/// Gets the IVsTrackProjectDocuments2 object by asking the service provider for it.
-		/// </summary>
-		/// <returns>the IVsTrackProjectDocuments2 object</returns>
-		private IVsTrackProjectDocuments2 GetIVsTrackProjectDocuments2()
-		{
-			Debug.Assert(this.projectMgr != null && !this.projectMgr.IsClosed && this.projectMgr.Site != null);
-
-			IVsTrackProjectDocuments2 documentTracker = this.projectMgr.Site.GetService(typeof(SVsTrackProjectDocuments)) as IVsTrackProjectDocuments2;
-			if(documentTracker == null)
-			{
-				throw new InvalidOperationException();
-			}
-
-			return documentTracker;
-		}
-
-		/// <summary>
-		/// Asks the environment for permission to add files.
-		/// </summary>
-		/// <param name="files">The files to add.</param>
-		/// <param name="flags">The VSQUERYADDFILEFLAGS flags associated to the files added</param>
-		/// <returns>true if the file can be added, false if not.</returns>
-		internal bool CanAddItems(string[] files, VSQUERYADDFILEFLAGS[] flags)
-		{
-			// If we are silent then we assume that the file can be added, since we do not want to trigger this event.
-			if((this.projectMgr.EventTriggeringFlag & ProjectNode.EventTriggering.DoNotTriggerTrackerEvents) != 0)
-			{
-				return true;
-			}
-
-			if(files == null || files.Length == 0)
-			{
-				return false;
-			}
-
-			int len = files.Length;
-			VSQUERYADDFILERESULTS[] summary = new VSQUERYADDFILERESULTS[1];
-			ErrorHandler.ThrowOnFailure(this.GetIVsTrackProjectDocuments2().OnQueryAddFiles(this.projectMgr, len, files, flags, summary, null));
-			if(summary[0] == VSQUERYADDFILERESULTS.VSQUERYADDFILERESULTS_AddNotOK)
-			{
-				return false;
-			}
-
-			return true;
-		}
-
-		/// <summary>
-		/// Notify the environment about a file just added
-		/// </summary>
-		internal void OnItemAdded(string file, VSADDFILEFLAGS flag)
-		{
-			if((this.projectMgr.EventTriggeringFlag & ProjectNode.EventTriggering.DoNotTriggerTrackerEvents) == 0)
-			{
-				ErrorHandler.ThrowOnFailure(this.GetIVsTrackProjectDocuments2().OnAfterAddFilesEx(this.projectMgr, 1, new string[1] { file }, new VSADDFILEFLAGS[1] { flag }));
-			}
-		}
-
-		/// <summary>
-		///  Asks the environment for permission to remove files.
-		/// </summary>
-		/// <param name="files">an array of files to remove</param>
-		/// <param name="flags">The VSQUERYREMOVEFILEFLAGS associated to the files to be removed.</param>
-		/// <returns>true if the files can be removed, false if not.</returns>
-		internal bool CanRemoveItems(string[] files, VSQUERYREMOVEFILEFLAGS[] flags)
-		{
-			// If we are silent then we assume that the file can be removed, since we do not want to trigger this event.
-			if((this.projectMgr.EventTriggeringFlag & ProjectNode.EventTriggering.DoNotTriggerTrackerEvents) != 0)
-			{
-				return true;
-			}
-
-			if(files == null || files.Length == 0)
-			{
-				return false;
-			}
-			int length = files.Length;
-
-			VSQUERYREMOVEFILERESULTS[] summary = new VSQUERYREMOVEFILERESULTS[1];
-
-			ErrorHandler.ThrowOnFailure(this.GetIVsTrackProjectDocuments2().OnQueryRemoveFiles(this.projectMgr, length, files, flags, summary, null));
-			if(summary[0] == VSQUERYREMOVEFILERESULTS.VSQUERYREMOVEFILERESULTS_RemoveNotOK)
-			{
-				return false;
-			}
-
-			return true;
-		}
-
-		/// <summary>
-		/// Notify the environment about a file just removed
-		/// </summary>
-		internal void OnItemRemoved(string file, VSREMOVEFILEFLAGS flag)
-		{
-			if((this.projectMgr.EventTriggeringFlag & ProjectNode.EventTriggering.DoNotTriggerTrackerEvents) == 0)
-			{
-				ErrorHandler.ThrowOnFailure(this.GetIVsTrackProjectDocuments2().OnAfterRemoveFiles(this.projectMgr, 1, new string[1] { file }, new VSREMOVEFILEFLAGS[1] { flag }));
-			}
-		}
-
-		/// <summary>
-		///  Asks the environment for permission to rename files.
-		/// </summary>
-		/// <param name="oldFileName">Path to the file to be renamed.</param>
-		/// <param name="newFileName">Path to the new file.</param>
-		/// <param name="flag">The VSRENAMEFILEFLAGS associated with the file to be renamed.</param>
-		/// <returns>true if the file can be renamed. Otherwise false.</returns>
-		internal bool CanRenameItem(string oldFileName, string newFileName, VSRENAMEFILEFLAGS flag)
-		{
-			// If we are silent then we assume that the file can be renamed, since we do not want to trigger this event.
-			if((this.projectMgr.EventTriggeringFlag & ProjectNode.EventTriggering.DoNotTriggerTrackerEvents) != 0)
-			{
-				return true;
-			}
-
-			int iCanContinue = 0;
-			ErrorHandler.ThrowOnFailure(this.GetIVsTrackProjectDocuments2().OnQueryRenameFile(this.projectMgr, oldFileName, newFileName, flag, out iCanContinue));
-			return (iCanContinue != 0);
-		}
-
-		/// <summary>
-		/// Get's called to tell the env that a file was renamed
-		/// </summary>
-		/// 
-		internal void OnItemRenamed(string strOldName, string strNewName, VSRENAMEFILEFLAGS flag)
-		{
-			if((this.projectMgr.EventTriggeringFlag & ProjectNode.EventTriggering.DoNotTriggerTrackerEvents) == 0)
-			{
-				ErrorHandler.ThrowOnFailure(this.GetIVsTrackProjectDocuments2().OnAfterRenameFile(this.projectMgr, strOldName, strNewName, flag));
-			}
-		}
-		#endregion
-	}
-}
-