js/src/proxy/DOMProxy.cpp

   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 /* DOM proxy-related functionality, including expando support. */
   8
   9 #include "js/friend/DOMProxy.h"  // JS::DOMProxyShadowsCheck
  10 #include "proxy/DOMProxy.h"
  11
  12 #include "js/Proxy.h"  // js::GetProxyHandler, js::IsProxy
  13
  14 using JS::DOMProxyShadowsCheck;
  15
  16 static const void* gDOMProxyHandlerFamily = nullptr;
  17 static DOMProxyShadowsCheck gDOMProxyShadowsCheck = nullptr;
  18 static const void* gDOMRemoteProxyHandlerFamily = nullptr;
  19
  20 void JS::SetDOMProxyInformation(const void* domProxyHandlerFamily,
  21                                 DOMProxyShadowsCheck domProxyShadowsCheck,
  22                                 const void* domRemoteProxyHandlerFamily) {
  23   gDOMProxyHandlerFamily = domProxyHandlerFamily;
  24   gDOMProxyShadowsCheck = domProxyShadowsCheck;
  25   gDOMRemoteProxyHandlerFamily = domRemoteProxyHandlerFamily;
  26 }
  27
  28 const void* js::GetDOMProxyHandlerFamily() { return gDOMProxyHandlerFamily; }
  29
  30 DOMProxyShadowsCheck js::GetDOMProxyShadowsCheck() {
  31   return gDOMProxyShadowsCheck;
  32 }
  33
  34 const void* js::GetDOMRemoteProxyHandlerFamily() {
  35   return gDOMRemoteProxyHandlerFamily;
  36 }
  37
  38 bool js::IsDOMRemoteProxyObject(JSObject* object) {
  39   return js::IsProxy(object) && js::GetProxyHandler(object)->family() ==
  40                                     js::GetDOMRemoteProxyHandlerFamily();
  41 }