| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_SCRIPT_MOZJS_45_PROMISE_WRAPPER_H_ |
| #define COBALT_SCRIPT_MOZJS_45_PROMISE_WRAPPER_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "cobalt/script/mozjs-45/weak_heap_object.h" |
| #include "cobalt/script/promise.h" |
| #include "third_party/mozjs-45/js/src/jsapi.h" |
| |
| namespace cobalt { |
| namespace script { |
| namespace mozjs { |
| |
| // Native class that maintains a weak handle to a JS object that is a proxy to |
| // a JS Promise object. The wrapper object maintains references to the reject |
| // and resolve functions that are passed to the Promise executor function. |
| class PromiseWrapper { |
| public: |
| // Creates a new JS object that wraps a new Promise, created using the |
| // Promise constructor on |global_object|. Returns NULL on failure. |
| static JSObject* Create(JSContext* context); |
| |
| PromiseWrapper(JSContext* context, JS::HandleValue promise_wrapper); |
| |
| WeakHeapObject& get() { return weak_promise_wrapper_; } |
| const WeakHeapObject& get() const { return weak_promise_wrapper_; } |
| JSObject* GetPromise() const; |
| void Resolve(JS::HandleValue value) const; |
| void Reject(JS::HandleValue value) const; |
| PromiseState State() const; |
| |
| private: |
| JSContext* context_; |
| WeakHeapObject weak_promise_wrapper_; |
| }; |
| |
| } // namespace mozjs |
| } // namespace script |
| } // namespace cobalt |
| |
| #endif // COBALT_SCRIPT_MOZJS_45_PROMISE_WRAPPER_H_ |