content/renderer/scheduler/web_scheduler_impl.h

// Copyright 2014 The Chromium 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 CONTENT_RENDERER_SCHEDULER_WEB_SCHEDULER_IMPL_H_
#define CONTENT_RENDERER_SCHEDULER_WEB_SCHEDULER_IMPL_H_

#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
#include "third_party/WebKit/public/platform/WebScheduler.h"

namespace content {

class RendererScheduler;
class SingleThreadIdleTaskRunner;

class WebSchedulerImpl : public blink::WebScheduler {
 public:
  WebSchedulerImpl(RendererScheduler* renderer_scheduler);
  ~WebSchedulerImpl() override;

  virtual bool shouldYieldForHighPriorityWork();
  virtual void postIdleTask(const blink::WebTraceLocation& location,
                            blink::WebScheduler::IdleTask* task);
  virtual void shutdown();

 private:
  static void runIdleTask(scoped_ptr<blink::WebScheduler::IdleTask> task,
                          base::TimeTicks deadline);

  RendererScheduler* renderer_scheduler_;
  scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_;
};

}  // namespace content

#endif  // CONTENT_RENDERER_SCHEDULER_WEB_SCHEDULER_IMPL_H_