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// Copyright 2015 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 COMPONENTS_SCHEDULER_CHILD_SCHEDULER_TQM_DELEGATE_IMPL_H_
#define COMPONENTS_SCHEDULER_CHILD_SCHEDULER_TQM_DELEGATE_IMPL_H_
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "base/time/tick_clock.h"
#include "components/scheduler/child/scheduler_tqm_delegate.h"
#include "components/scheduler/scheduler_export.h"
namespace scheduler {
class SCHEDULER_EXPORT SchedulerTqmDelegateImpl : public SchedulerTqmDelegate {
public:
// |message_loop| is not owned and must outlive the lifetime of this object.
static scoped_refptr<SchedulerTqmDelegateImpl> Create(
base::MessageLoop* message_loop,
scoped_ptr<base::TickClock> time_source);
// SchedulerTqmDelegate implementation
void SetDefaultTaskRunner(
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void RestoreDefaultTaskRunner() override;
bool PostDelayedTask(const tracked_objects::Location& from_here,
const base::Closure& task,
base::TimeDelta delay) override;
bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here,
const base::Closure& task,
base::TimeDelta delay) override;
bool RunsTasksOnCurrentThread() const override;
bool IsNested() const override;
base::TimeTicks NowTicks() override;
protected:
~SchedulerTqmDelegateImpl() override;
private:
SchedulerTqmDelegateImpl(base::MessageLoop* message_loop,
scoped_ptr<base::TickClock> time_source);
// Not owned.
base::MessageLoop* message_loop_;
scoped_refptr<SingleThreadTaskRunner> message_loop_task_runner_;
scoped_ptr<base::TickClock> time_source_;
DISALLOW_COPY_AND_ASSIGN(SchedulerTqmDelegateImpl);
};
} // namespace scheduler
#endif // COMPONENTS_SCHEDULER_CHILD_SCHEDULER_TQM_DELEGATE_IMPL_H_
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