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using EnvDTE;
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.Shell.Interop;
using System.Linq;
namespace LLVM.ClangFormat
{
// Exposes event sources for IVsRunningDocTableEvents3 events.
internal sealed class RunningDocTableEventsDispatcher : IVsRunningDocTableEvents3
{
private RunningDocumentTable _runningDocumentTable;
private DTE _dte;
public delegate void OnBeforeSaveHander(object sender, Document document);
public event OnBeforeSaveHander BeforeSave;
public RunningDocTableEventsDispatcher(Package package)
{
_runningDocumentTable = new RunningDocumentTable(package);
_runningDocumentTable.Advise(this);
_dte = (DTE)Package.GetGlobalService(typeof(DTE));
}
public int OnAfterAttributeChange(uint docCookie, uint grfAttribs)
{
return VSConstants.S_OK;
}
public int OnAfterAttributeChangeEx(uint docCookie, uint grfAttribs, IVsHierarchy pHierOld, uint itemidOld, string pszMkDocumentOld, IVsHierarchy pHierNew, uint itemidNew, string pszMkDocumentNew)
{
return VSConstants.S_OK;
}
public int OnAfterDocumentWindowHide(uint docCookie, IVsWindowFrame pFrame)
{
return VSConstants.S_OK;
}
public int OnAfterFirstDocumentLock(uint docCookie, uint dwRDTLockType, uint dwReadLocksRemaining, uint dwEditLocksRemaining)
{
return VSConstants.S_OK;
}
public int OnAfterSave(uint docCookie)
{
return VSConstants.S_OK;
}
public int OnBeforeDocumentWindowShow(uint docCookie, int fFirstShow, IVsWindowFrame pFrame)
{
return VSConstants.S_OK;
}
public int OnBeforeLastDocumentUnlock(uint docCookie, uint dwRDTLockType, uint dwReadLocksRemaining, uint dwEditLocksRemaining)
{
return VSConstants.S_OK;
}
public int OnBeforeSave(uint docCookie)
{
if (BeforeSave != null)
{
var document = FindDocumentByCookie(docCookie);
if (document != null) // Not sure why this happens sometimes
{
BeforeSave(this, FindDocumentByCookie(docCookie));
}
}
return VSConstants.S_OK;
}
private Document FindDocumentByCookie(uint docCookie)
{
var documentInfo = _runningDocumentTable.GetDocumentInfo(docCookie);
return _dte.Documents.Cast<Document>().FirstOrDefault(doc => doc.FullName == documentInfo.Moniker);
}
}
}
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