working timer

include/services/timerService.hpp

@@ -0,0 +1,83 @@
+#pragma once
+
+#include <map>
+#include <memory>
+#include <sys/types.h>
+
+#include "glibmm/main.h"
+#include "sigc++/signal.h"
+class TimerService {
+    struct TimerData {
+        uint64_t duration;
+        uint64_t timerId;
+    };
+
+  public:
+    static std::shared_ptr<TimerService> getInstance() {
+        if (!instance) {
+            instance = std::make_shared<TimerService>();
+
+            // add a timer to tick every second
+            Glib::signal_timeout().connect([]() {
+                instance->tick();
+                return true; // continue calling every second
+            },
+                                           1000);
+        }
+        return instance;
+    }
+
+    void addTimer(uint64_t duration) {
+        this->timerAddedSignal.emit(std::to_string(duration), timerIdCounter);
+
+        this->activeTimers[timerIdCounter] = TimerData{.duration = duration, .timerId = timerIdCounter};
+
+        timerIdCounter++;
+    }
+
+    void expireTimer(uint64_t timerId) {
+        this->timerExpiredSignal.emit(timerId);
+    }
+
+    void removeTimer(uint64_t timerId) {
+        this->activeTimers.erase(timerId);
+        this->timerCancelledSignal.emit(timerId);
+    }
+
+    sigc::signal<void(const std::string &, u_int64_t)> &getSignalTimerSet() {
+        return this->timerAddedSignal;
+    }
+
+    sigc::signal<void(u_int64_t)> &getSignalTimerExpired() {
+        return this->timerExpiredSignal;
+    }
+
+    sigc::signal<void(u_int64_t)> &getSignalTimerCancelled() {
+        return this->timerCancelledSignal;
+    }
+
+    sigc::signal<void()> tickSignal;
+
+  private:
+    static inline uint64_t timerIdCounter = 0;
+    sigc::signal<void(const std::string &, u_int64_t)> timerAddedSignal;
+    sigc::signal<void(u_int64_t)> timerCancelledSignal;
+    sigc::signal<void(u_int64_t)> timerExpiredSignal;
+    inline static std::shared_ptr<TimerService> instance = nullptr;
+
+    std::map<uint64_t, TimerData> activeTimers;
+
+    void tick() {
+        for (auto &[id, timer] : activeTimers) {
+
+            if (timer.duration > 0) {
+                timer.duration--;
+            } else if (timer.duration == 0) {
+                expireTimer(timer.timerId);
+                timer.duration = -1; // Mark as expired to prevent multiple expirations
+            }
+        }
+
+        tickSignal.emit();
+    }
+};