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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 _include_gfx_ipc_CanvasRenderThread_h__
#define _include_gfx_ipc_CanvasRenderThread_h__
#include "mozilla/DataMutex.h"
#include "mozilla/layers/SynchronousTask.h"
#include "mozilla/StaticPtr.h"
#include "nsISupportsImpl.h"
#include "nsThread.h"
namespace mozilla::gfx {
class CanvasRenderThread final {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING_WITH_DELETE_ON_MAIN_THREAD(
CanvasRenderThread)
public:
/// Can be called from any thread, may return nullptr late in shutdown.
static CanvasRenderThread* Get();
/// Can only be called from the main thread, expected to be called at most
/// once during a process' lifetime.
static void Start();
/// Can only be called from the main thread.
static void ShutDown();
/// Can be called from any thread.
static bool IsInCanvasRenderThread();
/// Can be called from any thread, may return nullptr late in shutdown.
static already_AddRefed<nsIThread> GetCanvasRenderThread();
private:
explicit CanvasRenderThread(RefPtr<nsIThread> aThread);
~CanvasRenderThread();
void PostRunnable(already_AddRefed<nsIRunnable> aRunnable);
RefPtr<nsIThread> const mThread;
};
} // namespace mozilla::gfx
#endif // _include_gfx_ipc_CanvasRenderThread_h__
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