gecko-dev/dom/locks/Lock.h

73 строки
2.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_Lock_h
#define mozilla_dom_Lock_h
#include "js/TypeDecls.h"
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/WeakPtr.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/LockManagerBinding.h"
#include "mozilla/dom/PromiseNativeHandler.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
namespace mozilla::dom {
class LockManager;
namespace locks {
class LockRequestChild;
}
class Lock final : public PromiseNativeHandler, public nsWrapperCache {
friend class LockManager;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Lock)
Lock(nsIGlobalObject* aGlobal,
const WeakPtr<locks::LockRequestChild>& aLockRequestChild,
const nsString& aName, LockMode aMode,
const RefPtr<Promise>& aReleasedPromise, ErrorResult& aRv);
protected:
~Lock() = default;
public:
nsIGlobalObject* GetParentObject() const { return mOwner; };
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
void GetName(nsString& aRetVal) const;
LockMode Mode() const;
Promise& GetWaitingPromise();
// PromiseNativeHandler
virtual void ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue,
ErrorResult& aRv) override;
virtual void RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue,
ErrorResult& aRv) override;
private:
nsCOMPtr<nsIGlobalObject> mOwner;
WeakPtr<locks::LockRequestChild> mLockRequestChild;
nsString mName;
LockMode mMode;
RefPtr<Promise> mWaitingPromise;
RefPtr<Promise> mReleasedPromise;
};
} // namespace mozilla::dom
#endif // mozilla_dom_Lock_h