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/* -*- 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_worklet_WorkletThread_h
#define mozilla_dom_worklet_WorkletThread_h
#include "mozilla/Attributes.h"
#include "mozilla/CondVar.h"
#include "mozilla/RefPtr.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/dom/WorkletImpl.h"
#include "nsIObserver.h"
#include "nsThread.h"
class nsIRunnable;
namespace JS {
class ContextOptions;
}; // namespace JS
namespace mozilla::dom {
class WorkletThread final : public nsThread, public nsIObserver {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIOBSERVER
static already_AddRefed<WorkletThread> Create(WorkletImpl* aWorkletImpl);
// Threads that call EnsureCycleCollectedJSContext must call
// DeleteCycleCollectedJSContext::Get() before terminating. Clients of
// Create() do not need to do this as Terminate() will ensure this happens.
static void EnsureCycleCollectedJSContext(JSRuntime* aParentRuntime,
const JS::ContextOptions& aOptions);
static void DeleteCycleCollectedJSContext();
static bool IsOnWorkletThread();
static void AssertIsOnWorkletThread();
nsresult DispatchRunnable(already_AddRefed<nsIRunnable> aRunnable);
void Terminate();
private:
explicit WorkletThread(WorkletImpl* aWorkletImpl);
~WorkletThread();
void RunEventLoop();
class PrimaryRunnable;
void TerminateInternal();
class TerminateRunnable;
// This should only be called by consumers that have an
// nsIEventTarget/nsIThread pointer.
NS_IMETHOD
Dispatch(already_AddRefed<nsIRunnable> aRunnable, uint32_t aFlags) override;
NS_IMETHOD
DispatchFromScript(nsIRunnable* aRunnable, uint32_t aFlags) override;
NS_IMETHOD
DelayedDispatch(already_AddRefed<nsIRunnable>, uint32_t) override;
const RefPtr<WorkletImpl> mWorkletImpl;
bool mExitLoop; // worklet execution thread
bool mIsTerminating; // main thread
};
} // namespace mozilla::dom
#endif // mozilla_dom_worklet_WorkletThread_h
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