| // 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 CHROME_BROWSER_SYNC_FILE_SYSTEM_TASK_LOGGER_H_ |
| #define CHROME_BROWSER_SYNC_FILE_SYSTEM_TASK_LOGGER_H_ |
| |
| #include <deque> |
| #include <string> |
| #include <vector> |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/observer_list.h" |
| #include "base/time/time.h" |
| |
| namespace sync_file_system { |
| |
| class TaskLogger : public base::SupportsWeakPtr<TaskLogger> { |
| public: |
| struct TaskLog { |
| int log_id; |
| base::TimeTicks start_time; |
| base::TimeTicks end_time; |
| std::string task_description; |
| std::string result_description; |
| std::vector<std::string> details; |
| |
| TaskLog(); |
| ~TaskLog(); |
| }; |
| |
| typedef std::deque<TaskLog*> LogList; |
| |
| class Observer { |
| public: |
| virtual void OnLogRecorded(const TaskLog& task_log) = 0; |
| |
| protected: |
| Observer() {} |
| virtual ~Observer() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Observer); |
| }; |
| |
| TaskLogger(); |
| ~TaskLogger(); |
| |
| void RecordLog(scoped_ptr<TaskLog> log); |
| void ClearLog(); |
| |
| void AddObserver(Observer* observer); |
| void RemoveObserver(Observer* observer); |
| |
| const LogList& GetLog() const; |
| |
| private: |
| std::deque<TaskLog*> log_history_; |
| |
| ObserverList<Observer> observers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TaskLogger); |
| }; |
| |
| } // namespace sync_file_system |
| |
| #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_TASK_LOGGER_H_ |