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#pragma once
#include <condition_variable>
#include <map>
#include <mutex>
#include <thread>
#include <wayland-server.h>
#include "../../helpers/signal/Signal.hpp"
#include <hyprutils/os/FileDescriptor.hpp>
#include "EventLoopTimer.hpp"
namespace Aquamarine {
struct SPollFD;
};
class CEventLoopManager {
public:
CEventLoopManager(wl_display* display, wl_event_loop* wlEventLoop);
~CEventLoopManager();
void enterLoop();
// Note: will remove the timer if the ptr is lost.
void addTimer(SP<CEventLoopTimer> timer);
void removeTimer(SP<CEventLoopTimer> timer);
void onTimerFire();
// schedules a recalc of the timers
void scheduleRecalc();
// schedules a function to run later, aka in a wayland idle event.
void doLater(const std::function<void()>& fn);
struct SIdleData {
wl_event_source* eventSource = nullptr;
std::vector<std::function<void()>> fns;
};
struct SReadableWaiter {
wl_event_source* source;
Hyprutils::OS::CFileDescriptor fd;
std::function<void()> fn;
SReadableWaiter(wl_event_source* src, Hyprutils::OS::CFileDescriptor f, std::function<void()> func) : source(src), fd(std::move(f)), fn(std::move(func)) {}
~SReadableWaiter() {
if (source) {
wl_event_source_remove(source);
source = nullptr;
}
}
// copy
SReadableWaiter(const SReadableWaiter&) = delete;
SReadableWaiter& operator=(const SReadableWaiter&) = delete;
// move
SReadableWaiter(SReadableWaiter&& other) noexcept = default;
SReadableWaiter& operator=(SReadableWaiter&& other) noexcept = default;
};
// schedule function to when fd is readable (WL_EVENT_READABLE / POLLIN),
// takes ownership of fd
void doOnReadable(Hyprutils::OS::CFileDescriptor fd, std::function<void()>&& fn);
void onFdReadable(SReadableWaiter* waiter);
void onFdReadableFail(SReadableWaiter* waiter);
private:
// Manages the event sources after AQ pollFDs change.
void syncPollFDs();
void nudgeTimers();
struct SEventSourceData {
SP<Aquamarine::SPollFD> pollFD;
wl_event_source* eventSource = nullptr;
};
struct {
wl_event_loop* loop = nullptr;
wl_display* display = nullptr;
wl_event_source* eventSource = nullptr;
} m_wayland;
struct {
std::vector<SP<CEventLoopTimer>> timers;
Hyprutils::OS::CFileDescriptor timerfd;
bool recalcScheduled = false;
} m_timers;
SIdleData m_idle;
std::map<int, SEventSourceData> m_aqEventSources;
std::vector<UP<SReadableWaiter>> m_readableWaiters;
struct {
CHyprSignalListener pollFDsChanged;
} m_listeners;
wl_event_source* m_configWatcherInotifySource = nullptr;
friend class CAsyncDialogBox;
friend class CMainLoopExecutor;
};
inline UP<CEventLoopManager> g_pEventLoopManager;
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