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// Copyright 2013 The Flutter 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 FLUTTER_FML_TASK_RUNNER_H_
#define FLUTTER_FML_TASK_RUNNER_H_
#include "flutter/fml/closure.h"
#include "flutter/fml/macros.h"
#include "flutter/fml/memory/ref_counted.h"
#include "flutter/fml/memory/ref_ptr.h"
#include "flutter/fml/message_loop_task_queues.h"
#include "flutter/fml/time/time_point.h"
namespace fml {
class MessageLoopImpl;
class BasicTaskRunner {
public:
virtual void PostTask(const fml::closure& task) = 0;
};
class TaskRunner : public fml::RefCountedThreadSafe<TaskRunner>,
public BasicTaskRunner {
public:
virtual ~TaskRunner();
virtual void PostTask(const fml::closure& task) override;
virtual void PostTaskForTime(const fml::closure& task,
fml::TimePoint target_time);
virtual void PostDelayedTask(const fml::closure& task, fml::TimeDelta delay);
virtual bool RunsTasksOnCurrentThread();
virtual TaskQueueId GetTaskQueueId();
static void RunNowOrPostTask(fml::RefPtr<fml::TaskRunner> runner,
const fml::closure& task);
protected:
TaskRunner(fml::RefPtr<MessageLoopImpl> loop);
private:
fml::RefPtr<MessageLoopImpl> loop_;
FML_FRIEND_MAKE_REF_COUNTED(TaskRunner);
FML_FRIEND_REF_COUNTED_THREAD_SAFE(TaskRunner);
FML_DISALLOW_COPY_AND_ASSIGN(TaskRunner);
};
} // namespace fml
#endif // FLUTTER_FML_TASK_RUNNER_H_