public void CloseHtml()
{
this.hostControl.Resize -= new EventHandler(this.HostControl_Resize);
try
{
if (this.propertyNotifySinkCookie != null)
{
this.propertyNotifySinkCookie.Disconnect();
this.propertyNotifySinkCookie = null;
}
if (this.document != null)
{
this.documentView = null;
this.document = null;
this.commandTarget = null;
this.activeObject = null;
if (adviseSinkCookie != 0)
{
this.oleObject.Unadvise(adviseSinkCookie);
this.adviseSinkCookie = 0;
}
this.oleObject.Close(NativeMethods.OLECLOSE_NOSAVE);
this.oleObject.SetClientSite(null);
this.oleObject = null;
}
}
catch (Exception exception)
{
Debug.Fail(exception.ToString());
}
}
public void CreateHtml()
{
Debug.Assert(this.document == null, "Must call CloseHtml before recreating.");
bool created = false;
try
{
// create the trident instance
this.document = (NativeMethods.IHTMLDocument2) new NativeMethods.HTMLDocument();
this.oleObject = (NativeMethods.IOleObject) this.document;
// hand it our NativeMethods.IOleClientSite implementation
this.oleObject.SetClientSite((NativeMethods.IOleClientSite) this);
created = true;
this.propertyNotifySinkCookie = new NativeMethods.ConnectionPointCookie(this.document, this, typeof(NativeMethods.IPropertyNotifySink), false);
this.oleObject.Advise((NativeMethods.IAdviseSink) this, out adviseSinkCookie);
Debug.Assert(adviseSinkCookie != 0);
this.commandTarget = (NativeMethods.IOleCommandTarget) this.document;
}
finally
{
if (created == false)
{
this.document = null;
this.oleObject = null;
this.commandTarget = null;
}
}
}
private void Disconnect()
{
if (this.connection != null)
{
this.connection.Dispose();
this.connection = null;
}
}
/// <include file='doc\ViewFilter.uex' path='docs/doc[@for="ViewFilter.ViewFilter"]/*' />
public 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));
}
private void Connect()
{
if (this.connection == null && this.site != null)
{
IVsTextManager2 textMgr2 = this.site.GetService(typeof(SVsTextManager)) as IVsTextManager2;
if (textMgr2 != null)
{
this.connection = new NativeMethods.ConnectionPointCookie(textMgr2, (IVsTextManagerEvents2)this, typeof(IVsTextManagerEvents2));
}
}
}
/// <include file='doc\ShellTextBuffer.uex' path='docs/doc[@for="ShellTextBuffer.SinkTextBufferEvents"]/*' />
/// <devdoc>
/// Called to hook and unhook our the underlying buffer's text changed
/// events.
/// </devdoc>
private void SinkTextBufferEvents(bool sink)
{
if (sink && textStream != null)
{
if (bufferEventCookie == null)
{
this.bufferEventCookie = new NativeMethods.ConnectionPointCookie(textStream, this, typeof(IVsTextBufferDataEvents));
}
if (textEventCookie == null)
{
textEventCookie = new NativeMethods.ConnectionPointCookie(textStream, this, typeof(IVsTextStreamEvents));
}
if (clusterEventCookie == null)
{
clusterEventCookie = new NativeMethods.ConnectionPointCookie(textStream.GetUndoManager(), this, typeof(IVsChangeClusterEvents));
}
}
else
{
if (textEventCookie != null)
{
textEventCookie.Disconnect();
textEventCookie = null;
}
if (bufferEventCookie != null)
{
bufferEventCookie.Disconnect();
bufferEventCookie = null;
}
if (clusterEventCookie != null)
{
clusterEventCookie.Disconnect();
clusterEventCookie = null;
}
}
}
/// <include file='doc\ViewFilter.uex' path='docs/doc[@for="ViewFilter.Close"]/*' />
public virtual void Close()
{
Trace.WriteLine("ViewFilter::Close");
if (textViewEvents != null)
{
textViewEvents.Dispose();
textViewEvents = null;
}
if (textView == this.service.LastActiveTextView)
{
this.service.OnActiveViewChanged(null);
}
textView.RemoveCommandFilter(this); // do not care about HRESULT.
if (textTipData != null)
{
textTipData.Close(textView);
textTipData = null;
}
Dispose();
}
// 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 Close() {
#if LANGTRACE
Trace.WriteLine("ViewFilter::Close");
#endif
if (this.expansionEvents != null) {
expansionEvents.Dispose();
expansionEvents = null;
}
if (textViewEvents != null) {
textViewEvents.Dispose();
textViewEvents = null;
}
if (textView == this.service.LastActiveTextView)
this.service.OnActiveViewChanged(null);
textView.RemoveCommandFilter(this); // do not care about HRESULT.
if (textTipData != null) {
textTipData.Close(textView);
textTipData = null;
}
Dispose();
}
private void Disconnect() {
if (this.connection != null) {
this.connection.Dispose();
this.connection = null;
}
}
private void Connect() {
if (this.connection == null && this.site != null) {
IVsTextManager2 textMgr2 = this.site.GetService(typeof(SVsTextManager)) as IVsTextManager2;
if (textMgr2 != null) {
this.connection = new NativeMethods.ConnectionPointCookie(textMgr2, (IVsTextManagerEvents2)this, typeof(IVsTextManagerEvents2));
}
}
}
/// <include file='doc\Source.uex' path='docs/doc[@for="Source.RegisterTextBufferEventHandlers"]/*' />
public virtual void RegisterTextBufferEventHandlers(IVsTextLines textLines)
{
// track source changes
this.textLinesEvents = new NativeMethods.ConnectionPointCookie(textLines, this, typeof(IVsTextLinesEvents));
this.userDataEvents = new NativeMethods.ConnectionPointCookie(textLines, this, typeof(IVsUserDataEvents));
}
/// <include file='doc\LanguageService.uex' path='docs/doc[@for="Source.Dispose"]/*' />
public virtual void Dispose()
{
#if LANGTRACE
Trace.WriteLine("Source::Cleanup");
#endif
try {
if (this.textLinesEvents != null) {
this.textLinesEvents.Dispose();
this.textLinesEvents = null;
}
} catch (COMException) {
}
try {
if (this.userDataEvents != null) {
this.userDataEvents.Dispose();
this.userDataEvents = null;
}
} catch (COMException) {
}
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.hiddenTextSession = null;
}
} catch (COMException) {
}
try {
if (this.methodData != null) {
this.methodData.Dispose();
this.methodData = null;
}
} catch (COMException) {
}
try {
if (this.completionSet != null) {
this.completionSet.Dispose();
this.completionSet = null;
}
} catch (COMException) {
}
try {
if (this.taskProvider != null) {
this.taskProvider.Dispose();
this.taskProvider = null;
}
} catch (COMException) {
}
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;
}
} catch (COMException) {
}
try {
if (this.colorState != null) {
this.colorState = null;
}
} catch (COMException) {
}
try {
if (this.expansionProvider != null) {
this.expansionProvider.Dispose();
this.expansionProvider = null;
}
} catch (COMException) {
}
try {
// 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; //rely on GC rather control lifetime through ReleaseCOMObject
Marshal.Release(pUnkTextLines);
}
} catch (COMException) {
}
}
