/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_ipc_VsyncWorkerChild_h
#define mozilla_dom_ipc_VsyncWorkerChild_h
#include "mozilla/dom/VsyncChild.h"
#include "mozilla/RefPtr.h"
#include "nsISupportsImpl.h"
namespace mozilla::dom {
class DedicatedWorkerGlobalScope;
class IPCWorkerRef;
class WorkerPrivate;
// The PVsyncWorkerChild actor receives a vsync event from the main process and
// delivers it to the child process. This is specific for workers which wish to
// subscribe to vsync events to drive requestAnimationFrame callbacks.
class VsyncWorkerChild final :
public VsyncChild {
NS_INLINE_DECL_REFCOUNTING(VsyncWorkerChild, override)
friend class PVsyncChild;
public:
VsyncWorkerChild();
bool Initialize(WorkerPrivate* aWorkerPrivate);
void Destroy();
void TryObserve();
void TryUnobserve();
private:
~VsyncWorkerChild() override;
mozilla::ipc::IPCResult RecvNotify(
const VsyncEvent& aVsync,
const float& aVsyncRate) override;
void ActorDestroy(ActorDestroyReason aActorDestroyReason) override;
RefPtr<IPCWorkerRef> mWorkerRef;
bool mObserving =
false;
};
}
// namespace mozilla::dom
#endif // mozilla_dom_ipc_VsyncWorkerChild_h
