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/*
* 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_PROMISE_WRAPPER_H_
#define COBALT_SCRIPT_MOZJS_PROMISE_WRAPPER_H_
#include "base/memory/scoped_ptr.h"
#include "cobalt/script/mozjs/weak_heap_object.h"
#include "third_party/mozjs/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, JS::HandleObject global_object);
PromiseWrapper(JSContext* context, JS::HandleObject 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;
private:
JSContext* context_;
WeakHeapObject weak_promise_wrapper_;
};
} // namespace mozjs
} // namespace script
} // namespace cobalt
#endif // COBALT_SCRIPT_MOZJS_PROMISE_WRAPPER_H_