caps/include/nsNullPrincipal.h
author Igor Bukanov <igor@mir2.org>
Fri, 09 Mar 2012 10:48:50 +0100
changeset 88630 f51a5ba84b56710a0fe6494b55dd013e6bcb5fa5
parent 1 9b2a99adc05e53cd4010de512f50118594756650
child 94475 f4157e8c410708d76703f19e4dfb61859bfe32d8
permissions -rw-r--r--
bug 728250 - remove JSPrincipals::codebase. r=:luke,:bz In just 2 cases where JSPrincipals::codebase is used it can be reconstructed from the values stored in the associated nsJSPrincipal. In addition the patch makes nsJSprincipals to inherit both from nsIPrincipal and JSPrincipals allowing to use static_cast to convert between nsIPrincipal and JSPrincipals pointers and to drop many cases of manual JSPrincipal reference counting.

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 *   Boris Zbarsky <bzbarsky@mit.edu> (Original author)
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/**
 * This is the principal that has no rights and can't be accessed by
 * anything other than itself and chrome; null principals are not
 * same-origin with anything but themselves.
 */

#ifndef nsNullPrincipal_h__
#define nsNullPrincipal_h__

#include "nsIPrincipal.h"
#include "nsJSPrincipals.h"
#include "nsCOMPtr.h"

class nsIURI;

#define NS_NULLPRINCIPAL_CLASSNAME "nullprincipal"
#define NS_NULLPRINCIPAL_CID \
{ 0xdd156d62, 0xd26f, 0x4441, \
 { 0x9c, 0xdb, 0xe8, 0xf0, 0x91, 0x07, 0xc2, 0x73 } }
#define NS_NULLPRINCIPAL_CONTRACTID "@mozilla.org/nullprincipal;1"

#define NS_NULLPRINCIPAL_SCHEME "moz-nullprincipal"

class nsNullPrincipal : public nsJSPrincipals
{
public:
  nsNullPrincipal();
  
  // Our refcount is managed by nsJSPrincipals.  Use this macro to avoid an
  // extra refcount member.

  // FIXME: bug 327245 -- I sorta wish there were a clean way to share the
  // nsJSPrincipals munging code between the various principal classes without
  // giving up the NS_DECL_NSIPRINCIPAL goodness.
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIPRINCIPAL
  NS_DECL_NSISERIALIZABLE

  nsresult Init();

  virtual void GetScriptLocation(nsACString &aStr) MOZ_OVERRIDE;

#ifdef DEBUG
  virtual void dumpImpl() MOZ_OVERRIDE;
#endif 

 protected:
  virtual ~nsNullPrincipal();

  nsCOMPtr<nsIURI> mURI;
};

#endif // nsNullPrincipal_h__