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Side by Side Diff: obsolete/Microsoft.VisualStudio.Project/SolutionListenerForProjectReferenceUpdate.cs

Issue 10928195: First round of dead file removal (Closed) Base URL: https://github.com/samclegg/nativeclient-sdk.git@master
Patch Set: Created 8 years, 3 months ago
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1 /// Copyright (c) Microsoft Corporation. All rights reserved.
2
3 using System;
4 using System.Collections.Generic;
5 using System.Diagnostics;
6 using System.IO;
7 using System.Runtime.InteropServices;
8 using Microsoft.VisualStudio;
9 using Microsoft.VisualStudio.Shell.Interop;
10 using IServiceProvider = System.IServiceProvider;
11
12 namespace Microsoft.VisualStudio.Project
13 {
14 [CLSCompliant(false)]
15 public class SolutionListenerForProjectReferenceUpdate : SolutionListene r
16 {
17
18 #region ctor
19 public SolutionListenerForProjectReferenceUpdate(IServiceProvide r serviceProvider)
20 : base(serviceProvider)
21 {
22 }
23 #endregion
24
25 #region overridden methods
26 /// <summary>
27 /// Delete this project from the references of projects of this type, if it is found.
28 /// </summary>
29 /// <param name="hierarchy"></param>
30 /// <param name="removed"></param>
31 /// <returns></returns>
32 public override int OnBeforeCloseProject(IVsHierarchy hierarchy, int removed)
33 {
34 if(removed != 0)
35 {
36 List<ProjectReferenceNode> projectReferences = t his.GetProjectReferencesContainingThisProject(hierarchy);
37
38 foreach(ProjectReferenceNode projectReference in projectReferences)
39 {
40 projectReference.Remove(false);
41 // Set back the remove state on the proj ect refererence. The reason why we are doing this is that the OnBeforeUnloadProj ect immedaitely calls
42 // OnBeforeCloseProject, thus we would b e deleting references when we should not. Unload should not remove references.
43 projectReference.CanRemoveReference = tr ue;
44 }
45 }
46
47 return VSConstants.S_OK;
48 }
49
50
51 /// <summary>
52 /// Needs to update the dangling reference on projects that cont ain this hierarchy as project reference.
53 /// </summary>
54 /// <param name="stubHierarchy"></param>
55 /// <param name="realHierarchy"></param>
56 /// <returns></returns>
57 public override int OnAfterLoadProject(IVsHierarchy stubHierarch y, IVsHierarchy realHierarchy)
58 {
59 List<ProjectReferenceNode> projectReferences = this.GetP rojectReferencesContainingThisProject(realHierarchy);
60
61 // Refersh the project reference node. That should trigg er the drawing of the normal project reference icon.
62 foreach(ProjectReferenceNode projectReference in project References)
63 {
64 projectReference.CanRemoveReference = true;
65
66 projectReference.OnInvalidateItems(projectRefere nce.Parent);
67 }
68
69 return VSConstants.S_OK;
70 }
71
72
73 public override int OnAfterRenameProject(IVsHierarchy hierarchy)
74 {
75 if(hierarchy == null)
76 {
77 return VSConstants.E_INVALIDARG;
78 }
79
80 try
81 {
82 List<ProjectReferenceNode> projectReferences = t his.GetProjectReferencesContainingThisProject(hierarchy);
83
84 // Collect data that is needed to initialize the new project reference node.
85 string projectRef;
86 ErrorHandler.ThrowOnFailure(this.Solution.GetPro jrefOfProject(hierarchy, out projectRef));
87
88 object nameAsObject;
89 ErrorHandler.ThrowOnFailure(hierarchy.GetPropert y(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_Name, out nameAsObject)) ;
90 string projectName = (string)nameAsObject;
91
92 string projectPath = String.Empty;
93
94 IVsProject3 project = hierarchy as IVsProject3;
95
96 if(project != null)
97 {
98 ErrorHandler.ThrowOnFailure(project.GetM kDocument(VSConstants.VSITEMID_ROOT, out projectPath));
99 projectPath = Path.GetDirectoryName(proj ectPath);
100 }
101
102 // Remove and re add the node.
103 foreach(ProjectReferenceNode projectReference in projectReferences)
104 {
105 ProjectNode projectMgr = projectReferenc e.ProjectMgr;
106 IReferenceContainer refContainer = proje ctMgr.GetReferenceContainer();
107 projectReference.Remove(false);
108
109 VSCOMPONENTSELECTORDATA selectorData = n ew VSCOMPONENTSELECTORDATA();
110 selectorData.type = VSCOMPONENTTYPE.VSCO MPONENTTYPE_Project;
111 selectorData.bstrTitle = projectName;
112 selectorData.bstrFile = projectPath;
113 selectorData.bstrProjRef = projectRef;
114 refContainer.AddReferenceFromSelectorDat a(selectorData);
115 }
116 }
117 catch(COMException e)
118 {
119 return e.ErrorCode;
120 }
121
122 return VSConstants.S_OK;
123 }
124
125
126 public override int OnBeforeUnloadProject(IVsHierarchy realHiera rchy, IVsHierarchy stubHierarchy)
127 {
128 List<ProjectReferenceNode> projectReferences = this.GetP rojectReferencesContainingThisProject(realHierarchy);
129
130 // Refresh the project reference node. That should trigg er the drawing of the dangling project reference icon.
131 foreach(ProjectReferenceNode projectReference in project References)
132 {
133 projectReference.IsNodeValid = true;
134 projectReference.OnInvalidateItems(projectRefere nce.Parent);
135 projectReference.CanRemoveReference = false;
136 projectReference.IsNodeValid = false;
137 projectReference.ReferencedProjectObject = null;
138 }
139
140 return VSConstants.S_OK;
141
142 }
143
144 #endregion
145
146 #region helper methods
147 private List<ProjectReferenceNode> GetProjectReferencesContainin gThisProject(IVsHierarchy inputHierarchy)
148 {
149 List<ProjectReferenceNode> projectReferences = new List< ProjectReferenceNode>();
150 if(this.Solution == null || inputHierarchy == null)
151 {
152 return projectReferences;
153 }
154
155 uint flags = (uint)(__VSENUMPROJFLAGS.EPF_ALLPROJECTS | __VSENUMPROJFLAGS.EPF_LOADEDINSOLUTION);
156 Guid enumOnlyThisType = Guid.Empty;
157 IEnumHierarchies enumHierarchies = null;
158
159 ErrorHandler.ThrowOnFailure(this.Solution.GetProjectEnum (flags, ref enumOnlyThisType, out enumHierarchies));
160 Debug.Assert(enumHierarchies != null, "Could not get lis t of hierarchies in solution");
161
162 IVsHierarchy[] hierarchies = new IVsHierarchy[1];
163 uint fetched;
164 int returnValue = VSConstants.S_OK;
165 do
166 {
167 returnValue = enumHierarchies.Next(1, hierarchie s, out fetched);
168 Debug.Assert(fetched <= 1, "We asked one project to be fetched VSCore gave more than one. We cannot handle that");
169 if(returnValue == VSConstants.S_OK && fetched == 1)
170 {
171 IVsHierarchy hierarchy = hierarchies[0];
172 Debug.Assert(hierarchy != null, "Could n ot retrieve a hierarchy");
173 IReferenceContainerProvider provider = h ierarchy as IReferenceContainerProvider;
174 if(provider != null)
175 {
176 IReferenceContainer referenceCon tainer = provider.GetReferenceContainer();
177
178 Debug.Assert(referenceContainer != null, "Could not found the References virtual node");
179 ProjectReferenceNode projectRefe renceNode = GetProjectReferenceOnNodeForHierarchy(referenceContainer.EnumReferen ces(), inputHierarchy);
180 if(projectReferenceNode != null)
181 {
182 projectReferences.Add(pr ojectReferenceNode);
183 }
184 }
185 }
186 } while(returnValue == VSConstants.S_OK && fetched == 1) ;
187
188 return projectReferences;
189 }
190
191 private static ProjectReferenceNode GetProjectReferenceOnNodeFor Hierarchy(IList<ReferenceNode> references, IVsHierarchy inputHierarchy)
192 {
193 if(references == null)
194 {
195 return null;
196 }
197
198 Guid projectGuid;
199 ErrorHandler.ThrowOnFailure(inputHierarchy.GetGuidProper ty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ProjectIDGuid, out proj ectGuid));
200
201 string canonicalName;
202 ErrorHandler.ThrowOnFailure(inputHierarchy.GetCanonicalN ame(VSConstants.VSITEMID_ROOT, out canonicalName));
203 foreach(ReferenceNode refNode in references)
204 {
205 ProjectReferenceNode projRefNode = refNode as Pr ojectReferenceNode;
206 if(projRefNode != null)
207 {
208 if(projRefNode.ReferencedProjectGuid == projectGuid)
209 {
210 return projRefNode;
211 }
212
213 // Try with canonical names, if the proj ect that is removed is an unloaded project than the above criteria will not pass .
214 if(!String.IsNullOrEmpty(projRefNode.Url ) && NativeMethods.IsSamePath(projRefNode.Url, canonicalName))
215 {
216 return projRefNode;
217 }
218 }
219 }
220
221 return null;
222
223 }
224 #endregion
225 }
226 }
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