cef/libcef/common/task_runner_manager.h

38 lines
1.3 KiB
C
Raw Normal View History

// Copyright 2020 The Chromium Embedded Framework Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CEF_LIBCEF_COMMON_TASK_RUNNER_MANAGER_H_
#define CEF_LIBCEF_COMMON_TASK_RUNNER_MANAGER_H_
#pragma once
#include "base/task/single_thread_task_runner.h"
// Exposes global sequenced task runners in the main and render processes.
// Prefer using base::ThreadPool for tasks that do not need to be globally
// sequenced and CefTaskRunner for retrieving named CefThreadId runners.
class CefTaskRunnerManager {
public:
// Returns the singleton instance that is scoped to CEF lifespan.
static CefTaskRunnerManager* Get();
// Available in the main process:
virtual scoped_refptr<base::SingleThreadTaskRunner>
GetBackgroundTaskRunner() = 0;
virtual scoped_refptr<base::SingleThreadTaskRunner>
GetUserVisibleTaskRunner() = 0;
virtual scoped_refptr<base::SingleThreadTaskRunner>
GetUserBlockingTaskRunner() = 0;
// Available in the render process:
virtual scoped_refptr<base::SingleThreadTaskRunner> GetRenderTaskRunner() = 0;
virtual scoped_refptr<base::SingleThreadTaskRunner>
GetWebWorkerTaskRunner() = 0;
protected:
CefTaskRunnerManager();
virtual ~CefTaskRunnerManager();
};
#endif // CEF_LIBCEF_COMMON_TASK_RUNNER_MANAGER_H_