The Tor Browser / file comparison
comparison: dom/bindings/CallbackFunction.h
dom/bindings/CallbackFunction.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:e500da78f577 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ | |
| 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 { | |
| 27 public: | |
| 28 explicit CallbackFunction(JS::Handle<JSObject*> aCallable, | |
| 29 nsIGlobalObject* aIncumbentGlobal) | |
| 30 : CallbackObject(aCallable, aIncumbentGlobal) | |
| 31 { | |
| 32 } | |
| 33 | |
| 34 JS::Handle<JSObject*> Callable() const | |
| 35 { | |
| 36 return Callback(); | |
| 37 } | |
| 38 | |
| 39 bool HasGrayCallable() const | |
| 40 { | |
| 41 // Play it safe in case this gets called after unlink. | |
| 42 return mCallback && xpc_IsGrayGCThing(mCallback); | |
| 43 } | |
| 44 | |
| 45 protected: | |
| 46 explicit CallbackFunction(CallbackFunction* aCallbackFunction) | |
| 47 : CallbackObject(aCallbackFunction) | |
| 48 { | |
| 49 } | |
| 50 }; | |
| 51 | |
| 52 } // namespace dom | |
| 53 } // namespace mozilla | |
| 54 | |
| 55 #endif // mozilla_dom_CallbackFunction_h |
