/// <summary>
/// The CodeWindowManager is constructed by the base LanguageService class when VS calls
/// the IVsLanguageInfo.GetCodeWindowManager method. You can override CreateCodeWindowManager
/// on your LanguageService if you want to plug in a different CodeWindowManager.
/// </summary>
internal CodeWindowManager(LanguageService service, IVsCodeWindow codeWindow, ISource source) {
this.service = service;
this.codeWindow = codeWindow;
this.viewFilters = new ArrayList();
this.source = source;
#if DOCUMENT_PROPERTIES
this.properties = service.CreateDocumentProperties(this);
#endif
}
/// <summary>Closes all view filters, and the document properties window</summary>
internal void Close() {
#if LANGTRACE
Trace.WriteLine("CodeWindowManager::Close");
#endif
#if DOCUMENT_PROPERTIES
if (this.properties != null) this.properties.Close();
#endif
CloseFilters();
this.viewFilters = null;
#if DOCUMENT_PROPERTIES
properties = null;
#endif
service = null;
source = null;
this.codeWindow = null;
}
// Overriden in source.fs, it calls this base implementation
public virtual void Dispose()
{
#if LANGTRACE
Trace.WriteLine("Source::Cleanup");
#endif
this.disposed = true;
try
{
if (this.textLinesEvents != null)
{
this.textLinesEvents.Dispose();
this.textLinesEvents = null;
}
}
finally
{
try
{
if (this.userDataEvents != null)
{
this.userDataEvents.Dispose();
this.userDataEvents = null;
}
}
finally
{
try
{
if (this.hiddenTextSession != null)
{
// We can't throw or exit here because we need to call Dispose on the
// other members that need to be disposed.
this.hiddenTextSession.UnadviseClient();
// This is causing a debug assert in vs\env\msenv\textmgr\vrlist.cpp
// at line 1997 in CVisibleRegionList::Terminate
//this.hiddenTextSession.Terminate();
this.hiddenTextSession = null;
}
}
finally
{
try
{
if (this.methodData != null)
{
this.methodData.Dispose();
this.methodData = null;
}
}
finally
{
try
{
if (this.completionSet != null)
{
this.completionSet.Dispose();
this.completionSet = null;
}
}
finally
{
try
{
// clear out any remaining tasks for this doc in the task list
// tp may not be the same as taskProvider
// REVIEW: This should be: if (null != this.taskReporter)
// Right now, MSBuild 4.0 can clear out build loggers responsibly, so this.taskReporter will always
// be null when we get to this point, so we'll need to create a new taskReporter to clear out the
// background tasks
TaskReporter tr = this.GetTaskReporter(); // may be our own TR or one from ProjectSite of this file
if (null != tr)
{
tr.ClearBackgroundTasksForFile(this.GetFilePath());
// Refresh the task list
tr.OutputTaskList();
}
if (null != this.taskReporter) // dispose the one we own (do not dispose one shared by project site!)
{
this.taskReporter.Dispose();
this.taskReporter = null;
this.taskProvider = null;
}
}
finally
{
try
{
this.service = null;
if (this.colorizer != null)
{
// The colorizer is owned by the core text editor, so we don't close it, the core text editor
// does that for us when it is ready to do so.
//colorizer.CloseColorizer();
this.colorizer = null;
}
}
finally
{
this.colorState = null;
try
{
if (this.expansionProvider != null)
{
this.expansionProvider.Dispose();
this.expansionProvider = null;
}
}
finally
{
// Sometimes OnCloseSource is called when language service is changed, (for example
// when you save the file with a different file extension) in which case we cannot
// null out the site because that will cause a crash inside msenv.dll.
// if (this.textLines != null) {
// ((IObjectWithSite)this.textLines).SetSite(null);
// }
if (this.textLines != null)
{
this.textLines = null;
Marshal.Release(pUnkTextLines);
}
}
}
}
}
}
}
}
}
}
internal SourceImpl(LanguageService service, IVsTextLines textLines, Colorizer colorizer)
{
#if LANGTRACE
Tracing.TraceRef(textLines, "Source.textLines");
#endif
this.service = service;
this.textLines = textLines;
// REVIEW: why the next line? RCW in this.textLines holds IUnknown already. (released in Dispose correctly though)
pUnkTextLines = Marshal.GetIUnknownForObject(this.textLines); //so it can't get disposed on us
this.colorizer = colorizer;
this.completionSet = this.CreateCompletionSet();
this.methodData = new MethodData(this.service.Site);
this.colorState = (IVsTextColorState)textLines;
// track source changes
this.textLinesEvents = new NativeMethods.ConnectionPointCookie(textLines, this, typeof(IVsTextLinesEvents));
this.userDataEvents = new NativeMethods.ConnectionPointCookie(textLines, this, typeof(IVsUserDataEvents));
this.doOutlining = this.service.Preferences.AutoOutlining;
if (this.doOutlining)
{
GetHiddenTextSession();
}
this.expansionProvider = GetExpansionProvider();
this.lastOnIdleRequestDuration = 0;
this.openedTime = System.DateTime.Now;
}
internal ViewFilter(CodeWindowManager mgr, IVsTextView view) {
this.pvaChar = IntPtr.Zero;
this.mgr = mgr;
this.service = mgr.LanguageService;
this.source = mgr.Source;
this.commentSupported = this.service.Preferences.EnableCommenting;
this.textView = view;
NativeMethods.ThrowOnFailure(view.AddCommandFilter(this, out nextTarget));
this.textViewEvents = new NativeMethods.ConnectionPointCookie(view, this, typeof(IVsTextViewEvents));
if (this.service != null) {
IVsExpansionManager emgr = this.service.Site.GetService(typeof(SVsExpansionManager)) as IVsExpansionManager;
if (emgr != null) {
int fBound;
emgr.GetSnippetShortCutKeybindingState(out fBound);
this.snippetBound = fBound == 0 ? false : true;
this.expansionEvents = new NativeMethods.ConnectionPointCookie(emgr, this, typeof(IVsExpansionEvents));
}
}
}
public virtual void Dispose() {
this.textView = null;
this.service = null;
this.nextTarget = null;
this.textTipData = null;
this.mgr = null;
if (this.pvaChar != IntPtr.Zero) {
Marshal.FreeCoTaskMem(pvaChar);
pvaChar = IntPtr.Zero;
}
GC.SuppressFinalize(this); // REVIEW: Why this?
}
/// <include file='doc\CodeWindowManager.uex' path='docs/doc[@for="TypeAndMemberDropdownBars.OnSynchronizeDropdowns"]/*' /> /// <summary> /// This method is called to update the drop down bars to match the current contents of the text editor window. /// It is called during OnIdle when the caret position changes. You can provide new drop down members here. /// It is up to you to sort the ArrayLists if you want them sorted in any particular order. /// </summary> /// <param name="languageService">The language service</param> /// <param name="textView">The editor window</param> /// <param name="line">The line on which the cursor is now positioned</param> /// <param name="col">The column on which the cursor is now position</param> /// <param name="dropDownTypes">The current list of types (you can update this)</param> /// <param name="dropDownMembers">The current list of members (you can update this)</param> /// <param name="selectedType">The selected type (you can update this)</param> /// <param name="selectedMember">The selected member (you can update this)</param> /// <returns>true if something was updated</returns> public abstract bool OnSynchronizeDropdowns(LanguageService languageService, IVsTextView textView, int line, int col, ArrayList dropDownTypes, ArrayList dropDownMembers, ref int selectedType, ref int selectedMember);
/// <include file='doc\CodeWindowManager.uex' path='docs/doc[@for="TypeAndMemberDropdownBars.TypeAndMemberDropdownBars"]/*' />
protected TypeAndMemberDropdownBars(LanguageService languageService)
{
this.languageService = languageService;
this.dropDownTypes = new ArrayList();
this.dropDownMembers = new ArrayList();
}