js/xpconnect/src/XPCWrapper.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef XPC_WRAPPER_H
   8 #define XPC_WRAPPER_H 1
   9
  10 #include "xpcprivate.h"
  11 #include "jswrapper.h"
  12
  13 class nsIScriptSecurityManager;
  14
  15 namespace XPCNativeWrapper {
  16
  17 // Given an XPCWrappedNative pointer and the name of the function on
  18 // XPCNativeScriptableFlags corresponding with a flag, returns 'true'
  19 // if the flag is set.
  20 // XXX Convert to using GetFlags() and not a macro.
  21 #define NATIVE_HAS_FLAG(_wn, _flag)                                           \
  22   ((_wn)->GetScriptableInfo() &&                                              \
  23    (_wn)->GetScriptableInfo()->GetFlags()._flag())
  24
  25 bool
  26 AttachNewConstructorObject(JSContext* aCx, JS::HandleObject aGlobalObject);
  27
  28 } // namespace XPCNativeWrapper
  29
  30 // This namespace wraps some common functionality between the three existing
  31 // wrappers. Its main purpose is to allow XPCCrossOriginWrapper to act both
  32 // as an XPCSafeJSObjectWrapper and as an XPCNativeWrapper when required to
  33 // do so (the decision is based on the principals of the wrapper and wrapped
  34 // objects).
  35 namespace XPCWrapper {
  36
  37 inline bool
  38 IsSecurityWrapper(JSObject* wrapper)
  39 {
  40   return js::IsWrapper(wrapper);
  41 }
  42
  43 JSObject*
  44 UnsafeUnwrapSecurityWrapper(JSObject* obj);
  45
  46 } // namespace XPCWrapper
  47
  48
  49 #endif