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 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* vim:set ts=2 sw=2 sts=2 et cindent: */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 /**

  * A common base class for representing WebIDL callback interface types in C++.

  *

  * This class implements common functionality like lifetime management,

  * initialization with the callback object, and setup of the call environment.

  * Subclasses corresponding to particular callback interface types should

  * provide methods that actually do the various necessary calls.

  */

 #ifndef mozilla_dom_CallbackInterface_h

 #define mozilla_dom_CallbackInterface_h

 #include "mozilla/dom/CallbackObject.h"

 namespace mozilla {

 namespace dom {

 class CallbackInterface : public CallbackObject

 {

 public:

   explicit CallbackInterface(JS::Handle<JSObject*> aCallback,

                              nsIGlobalObject *aIncumbentGlobal)

     : CallbackObject(aCallback, aIncumbentGlobal)

   {

   }

 protected:

   bool GetCallableProperty(JSContext* cx, const char* aPropName,

                            JS::MutableHandle<JS::Value> aCallable);

 };

 } // namespace dom

 } // namespace mozilla

 #endif // mozilla_dom_CallbackFunction_h