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 function types in C++. 9 * 10 * This class implements common functionality like lifetime 11 * management, initialization with the callable, and setup of the call 12 * environment. Subclasses corresponding to particular callback 13 * function types should provide a Call() method that actually does 14 * the call. 15 */ 16 17 #ifndef mozilla_dom_CallbackFunction_h 18 #define mozilla_dom_CallbackFunction_h 19 20 #include "mozilla/dom/CallbackObject.h" 21 22 namespace mozilla { 23 namespace dom { 24 25 class CallbackFunction : public CallbackObject { 26 public: 27 // See CallbackObject for an explanation of the arguments. CallbackFunction(JSContext * aCx,JS::Handle<JSObject * > aCallable,JS::Handle<JSObject * > aCallableGlobal,nsIGlobalObject * aIncumbentGlobal)28 explicit CallbackFunction(JSContext* aCx, JS::Handle<JSObject*> aCallable, 29 JS::Handle<JSObject*> aCallableGlobal, 30 nsIGlobalObject* aIncumbentGlobal) 31 : CallbackObject(aCx, aCallable, aCallableGlobal, aIncumbentGlobal) {} 32 33 // See CallbackObject for an explanation of the arguments. CallbackFunction(JSObject * aCallable,JSObject * aCallableGlobal,JSObject * aAsyncStack,nsIGlobalObject * aIncumbentGlobal)34 explicit CallbackFunction(JSObject* aCallable, JSObject* aCallableGlobal, 35 JSObject* aAsyncStack, 36 nsIGlobalObject* aIncumbentGlobal) 37 : CallbackObject(aCallable, aCallableGlobal, aAsyncStack, 38 aIncumbentGlobal) {} 39 CallableOrNull()40 JSObject* CallableOrNull() const { return CallbackOrNull(); } 41 CallablePreserveColor()42 JSObject* CallablePreserveColor() const { return CallbackPreserveColor(); } 43 44 protected: CallbackFunction(CallbackFunction * aCallbackFunction)45 explicit CallbackFunction(CallbackFunction* aCallbackFunction) 46 : CallbackObject(aCallbackFunction) {} 47 48 // See CallbackObject for an explanation of the arguments. CallbackFunction(JSObject * aCallable,JSObject * aCallableGlobal,const FastCallbackConstructor &)49 CallbackFunction(JSObject* aCallable, JSObject* aCallableGlobal, 50 const FastCallbackConstructor&) 51 : CallbackObject(aCallable, aCallableGlobal, FastCallbackConstructor()) {} 52 }; 53 54 } // namespace dom 55 } // namespace mozilla 56 57 #endif // mozilla_dom_CallbackFunction_h 58