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       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             : /**
       8             :  * A common base class for representing WebIDL callback interface types in C++.
       9             :  *
      10             :  * This class implements common functionality like lifetime management,
      11             :  * initialization with the callback object, and setup of the call environment.
      12             :  * Subclasses corresponding to particular callback interface types should
      13             :  * provide methods that actually do the various necessary calls.
      14             :  */
      15             : 
      16             : #ifndef mozilla_dom_CallbackInterface_h
      17             : #define mozilla_dom_CallbackInterface_h
      18             : 
      19             : #include "mozilla/dom/CallbackObject.h"
      20             : 
      21             : namespace mozilla {
      22             : namespace dom {
      23             : 
      24          22 : class CallbackInterface : public CallbackObject
      25             : {
      26             : public:
      27             :   // See CallbackObject for an explanation of the arguments.
      28           0 :   explicit CallbackInterface(JSContext* aCx, JS::Handle<JSObject*> aCallback,
      29             :                              nsIGlobalObject* aIncumbentGlobal)
      30           0 :     : CallbackObject(aCx, aCallback, aIncumbentGlobal)
      31             :   {
      32           0 :   }
      33             : 
      34             :   // See CallbackObject for an explanation of the arguments.
      35             :   explicit CallbackInterface(JS::Handle<JSObject*> aCallback,
      36             :                              JS::Handle<JSObject*> aAsyncStack,
      37             :                              nsIGlobalObject* aIncumbentGlobal)
      38             :     : CallbackObject(aCallback, aAsyncStack, aIncumbentGlobal)
      39             :   {
      40             :   }
      41             : 
      42             : protected:
      43             :   bool GetCallableProperty(JSContext* cx, JS::Handle<jsid> aPropId,
      44             :                            JS::MutableHandle<JS::Value> aCallable);
      45             : 
      46             :   // See CallbackObject for an explanation of the arguments.
      47         192 :   CallbackInterface(JS::Handle<JSObject*> aCallable,
      48             :                     const FastCallbackConstructor&)
      49         192 :     : CallbackObject(aCallable, FastCallbackConstructor())
      50             :   {
      51         192 :   }
      52             : };
      53             : 
      54             : } // namespace dom
      55             : } // namespace mozilla
      56             : 
      57             : #endif // mozilla_dom_CallbackFunction_h