xpcom/glue/nsIInterfaceRequestorUtils.cpp
author Jonas Sicking <jonas@sicking.cc>
Tue, 17 Feb 2009 14:10:50 -0800
changeset 25081 81a70b157a1cb9e93393aa1d5a244b9e66eae464
parent 1 9b2a99adc05e53cd4010de512f50118594756650
child 41330 773435dcbbefd78fd4a467f63e01346dc8a49e02
permissions -rw-r--r--
Bug 476567: Clear Access-Control preflight cache when spec says to. Also rewrite cache test-runner to make it more sane. r/sr=jst

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"

nsresult
nsGetInterface::operator()( const nsIID& aIID, void** aInstancePtr ) const
{
  nsresult status;

  if ( mSource )
  {
    nsCOMPtr<nsIInterfaceRequestor> factoryPtr = do_QueryInterface(mSource, &status);

    if ( factoryPtr )
      status = factoryPtr->GetInterface(aIID, aInstancePtr);
    else
      status = NS_ERROR_NO_INTERFACE;

    if ( NS_FAILED(status) )
      *aInstancePtr = 0;
  }
  else
    status = NS_ERROR_NULL_POINTER;

  if ( mErrorPtr )
    *mErrorPtr = status;
  return status;
}