1  // Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
 2  // Licensed under GPLv2 or any later version
 3  // Refer to the license.txt file included.
 4  
 5  #pragma once
 6  
 7  #include <chrono>
 8  #include <string>
 9  #include "common/common_types.h"
10  
11  namespace Common {
12  class Timer {
13  public:
14      Timer();
15  
16      void Start();
17      void Stop();
18      void Update();
19  
20      // The time difference is always returned in milliseconds, regardless of alternative internal
21      // representation
22      [[nodiscard]] std::chrono::milliseconds GetTimeDifference();
23      void AddTimeDifference();
24  
25      [[nodiscard]] static std::chrono::seconds GetTimeSinceJan1970();
26      [[nodiscard]] static std::chrono::seconds GetLocalTimeSinceJan1970();
27  
28      [[nodiscard]] static std::string GetTimeFormatted();
29      [[nodiscard]] std::string GetTimeElapsedFormatted() const;
30      [[nodiscard]] std::chrono::milliseconds GetTimeElapsed();
31  
32      [[nodiscard]] static std::chrono::milliseconds GetTimeMs();
33  
34  private:
35      std::chrono::milliseconds m_LastTime;
36      std::chrono::milliseconds m_StartTime;
37      bool m_Running;
38  };
39  
40  } // Namespace Common