1 files changed, 68 insertions, 0 deletions

diff --git a/src/yuzu/play_time.h b/src/yuzu/play_time.h
new file mode 100644
index 000000000..68e40955c
--- /dev/null
+++ b/src/yuzu/play_time.h
@@ -0,0 +1,68 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QString>
+
+#include <atomic>
+#include <condition_variable>
+#include <mutex>
+#include <optional>
+#include <thread>
+
+#include "common/common_types.h"
+#include "common/fs/fs.h"
+#include "common/polyfill_thread.h"
+#include "core/core.h"
+
+namespace PlayTime {
+struct PlayTimeElement {
+    u64 program_id;
+    u64 play_time;
+
+    inline bool operator==(const PlayTimeElement& other) const {
+        return program_id == other.program_id;
+    }
+
+    inline bool operator==(const u64 _program_id) const {
+        return program_id == _program_id;
+    }
+};
+
+class PlayTimeManager {
+public:
+    explicit PlayTimeManager() = default;
+    ~PlayTimeManager() = default;
+
+public:
+    YUZU_NON_COPYABLE(PlayTimeManager);
+    YUZU_NON_MOVEABLE(PlayTimeManager);
+
+public:
+    bool ResetProgramPlayTime(u64 program_id);
+    void SetProgramId(u64 program_id);
+    inline void UpdateTimestamp();
+    void Start();
+    void Stop();
+
+private:
+    u64 running_program_id;
+    std::chrono::steady_clock::time_point last_timestamp;
+    std::jthread play_time_thread;
+    void AutoTimestamp(std::stop_token stop_token);
+    void Save();
+};
+
+std::optional<std::filesystem::path> GetCurrentUserPlayTimePath();
+
+bool UpdatePlayTime(u64 program_id, u64 add_play_time);
+
+[[nodiscard]] bool ReadPlayTimeFile(std::vector<PlayTimeElement>& out_play_time_elements);
+[[nodiscard]] bool WritePlayTimeFile(const std::vector<PlayTimeElement>& play_time_elements);
+
+u64 GetPlayTime(u64 program_id);
+
+QString ReadablePlayTime(qulonglong time_seconds);
+
+} // namespace PlayTime