Stand/Stand/CommandListWithOnTickAsActiveList.hpp
2024-10-16 11:20:42 +08:00

53 lines
1.3 KiB
C++

#pragma once
#include "CommandList.hpp"
#include "ExecCtx.hpp"
namespace Stand
{
#pragma pack(push, 1)
template <typename T>
class CommandListWithOnTickAsActiveList : public T
{
protected:
bool is_active = false;
using T::T;
public:
void onActiveListUpdate() override
{
if (((CommandListWithOnTickAsActiveList<T>*)this)->isCurrentUiOrWebList())
{
if (!is_active)
{
is_active = true;
auto wr = ((CommandListWithOnTickAsActiveList<T>*)this)->getWeakRef();
((CommandListWithOnTickAsActiveList<T>*)this)->registerScriptTickEventHandler([wr]
{
SOUP_IF_LIKELY (auto ptr = wr.getPointer())
{
// It is possible that onTickAsActiveList invokes inputBack, focuses another list, and that list now wants to register a script tick event handler.
// For that case, we signal that the lock can not be obtained right now.
ExecCtx::get().script_tick_event_mtx_is_locked = true;
ptr->as<CommandListWithOnTickAsActiveList<T>>()->onTickAsActiveList();
ExecCtx::get().script_tick_event_mtx_is_locked = false;
return ptr->as<CommandListWithOnTickAsActiveList<T>>()->is_active;
}
return false;
});
}
}
else
{
is_active = false;
}
}
protected:
virtual void onTickAsActiveList() = 0;
};
#pragma pack(pop)
}