dom/bindings/RootedDictionary.h

   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 file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_RootedDictionary_h__
   8 #define mozilla_dom_RootedDictionary_h__
   9
  10 #include "mozilla/dom/Nullable.h"
  11 #include "jsapi.h"
  12
  13 namespace mozilla::dom {
  14
  15 template <typename T>
  16 class MOZ_RAII RootedDictionary final : public T, private JS::CustomAutoRooter {
  17  public:
  18   template <typename CX>
  19   explicit RootedDictionary(const CX& cx) : T(), JS::CustomAutoRooter(cx) {}
  20
  21   virtual void trace(JSTracer* trc) override { this->TraceDictionary(trc); }
  22 };
  23
  24 template <typename T>
  25 class MOZ_RAII NullableRootedDictionary final : public Nullable<T>,
  26                                                 private JS::CustomAutoRooter {
  27  public:
  28   template <typename CX>
  29   explicit NullableRootedDictionary(const CX& cx)
  30       : Nullable<T>(), JS::CustomAutoRooter(cx) {}
  31
  32   virtual void trace(JSTracer* trc) override {
  33     if (!this->IsNull()) {
  34       this->Value().TraceDictionary(trc);
  35     }
  36   }
  37 };
  38
  39 }  // namespace mozilla::dom
  40
  41 #endif /* mozilla_dom_RootedDictionary_h__ */