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33 lines
937 B
C
33 lines
937 B
C
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// Copyright 2018 The Chromium 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 BASE_TASK_SEQUENCE_MANAGER_TASK_TIME_OBSERVER_H_
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#define BASE_TASK_SEQUENCE_MANAGER_TASK_TIME_OBSERVER_H_
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#include "base/time/time.h"
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namespace base {
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namespace sequence_manager {
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// TaskTimeObserver provides an API for observing completion of tasks.
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class TaskTimeObserver {
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public:
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TaskTimeObserver() = default;
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virtual ~TaskTimeObserver() = default;
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// To be called when task is about to start.
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virtual void WillProcessTask(TimeTicks start_time) = 0;
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// To be called when task is completed.
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virtual void DidProcessTask(TimeTicks start_time, TimeTicks end_time) = 0;
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private:
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DISALLOW_COPY_AND_ASSIGN(TaskTimeObserver);
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};
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} // namespace sequence_manager
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} // namespace base
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#endif // BASE_TASK_SEQUENCE_MANAGER_TASK_TIME_OBSERVER_H_
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