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57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_FML_TASK_RUNNER_H_
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#define FLUTTER_FML_TASK_RUNNER_H_
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#include "flutter/fml/closure.h"
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#include "flutter/fml/macros.h"
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#include "flutter/fml/memory/ref_counted.h"
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#include "flutter/fml/memory/ref_ptr.h"
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#include "flutter/fml/message_loop_task_queues.h"
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#include "flutter/fml/time/time_point.h"
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namespace fml {
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class MessageLoopImpl;
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class BasicTaskRunner {
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public:
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virtual void PostTask(const fml::closure& task) = 0;
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};
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class TaskRunner : public fml::RefCountedThreadSafe<TaskRunner>,
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public BasicTaskRunner {
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public:
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virtual ~TaskRunner();
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virtual void PostTask(const fml::closure& task) override;
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virtual void PostTaskForTime(const fml::closure& task,
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fml::TimePoint target_time);
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virtual void PostDelayedTask(const fml::closure& task, fml::TimeDelta delay);
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virtual bool RunsTasksOnCurrentThread();
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virtual TaskQueueId GetTaskQueueId();
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static void RunNowOrPostTask(fml::RefPtr<fml::TaskRunner> runner,
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const fml::closure& task);
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protected:
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TaskRunner(fml::RefPtr<MessageLoopImpl> loop);
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private:
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fml::RefPtr<MessageLoopImpl> loop_;
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FML_FRIEND_MAKE_REF_COUNTED(TaskRunner);
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FML_FRIEND_REF_COUNTED_THREAD_SAFE(TaskRunner);
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FML_DISALLOW_COPY_AND_ASSIGN(TaskRunner);
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};
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} // namespace fml
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#endif // FLUTTER_FML_TASK_RUNNER_H_
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