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comparison foosdk/sdk/foobar2000/SDK/system_time_keeper.h @ 1:20d02a178406 default tip

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*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #pragma once
2
3 namespace system_time_periods {
4 static constexpr t_filetimestamp second = filetimestamp_1second_increment;
5 static constexpr t_filetimestamp minute = second * 60;
6 static constexpr t_filetimestamp hour = minute * 60;
7 static constexpr t_filetimestamp day = hour * 24;
8 static constexpr t_filetimestamp week = day * 7;
9 };
10 class system_time_callback {
11 public:
12 virtual void on_time_changed(t_filetimestamp newVal) = 0;
13 };
14 //! \since 0.9.6
15 class system_time_keeper : public service_base {
16 public:
17 //! The callback object receives an on_changed() call with the current time inside the register_callback() call.
18 virtual void register_callback(system_time_callback * callback, t_filetimestamp resolution) = 0;
19
20 virtual void unregister_callback(system_time_callback * callback) = 0;
21
22 FB2K_MAKE_SERVICE_COREAPI(system_time_keeper)
23 };
24
25 class system_time_callback_impl : public system_time_callback {
26 public:
27 system_time_callback_impl() {}
28 ~system_time_callback_impl() {stop_timer();}
29
30 void stop_timer() {
31 if (m_registered) {
32 system_time_keeper::get()->unregister_callback(this);
33 m_registered = false;
34 }
35 }
36 //! You get a on_changed() call inside the initialize_timer() call.
37 void initialize_timer(t_filetimestamp period) {
38 stop_timer();
39 system_time_keeper::get()->register_callback(this, period);
40 m_registered = true;
41 }
42
43 //! Override me
44 void on_time_changed(t_filetimestamp) override {}
45
46 PFC_CLASS_NOT_COPYABLE_EX(system_time_callback_impl)
47 private:
48 bool m_registered = false;
49 };
50