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#pragma once
#include "cru/base/Event.h"
#include "cru/platform/win/WinPreConfig.h"
#include "cru/base/Base.h"
#include "cru/platform/gui/win/GodWindow.h"
#include "cru/platform/gui/win/WindowNativeMessageEventArgs.h"
#include <chrono>
#include <functional>
#include <optional>
#include <unordered_map>
namespace cru::platform::gui::win {
enum class TimerType { Immediate, Timeout, Interval };
struct TimerInfo {
TimerInfo(long long id, TimerType type, int period,
std::function<void()> action, UINT_PTR native_timer_id = 0)
: id(id),
type(type),
period(period),
action(std::move(action)),
native_timer_id(native_timer_id) {}
long long id;
TimerType type;
int period; // in milliseconds
std::function<void()> action;
UINT_PTR native_timer_id;
};
class TimerManager : public Object {
public:
TimerManager(GodWindow* god_window);
CRU_DELETE_COPY(TimerManager)
CRU_DELETE_MOVE(TimerManager)
~TimerManager() override = default;
// Period is in milliseconds. When type is immediate, it is not checked and
// used.
long long SetTimer(TimerType type, int period, std::function<void()> action);
void CancelTimer(long long id);
private:
void HandleGodWindowMessage(WindowNativeMessageEventArgs& args);
void CreateNativeTimer(TimerInfo* info);
void KillNativeTimer(TimerInfo* info);
private:
GodWindow* god_window_;
EventRevokerListGuard event_guard_;
long long next_id_ = 1;
std::unordered_map<long long, TimerInfo> info_map_;
};
} // namespace cru::platform::gui::win
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