Files
aux-addon-ClassicAPI/control.lua
T
Manuel Simon Hirsig 94488eb75f refactoring
2016-08-04 20:03:49 +02:00

92 lines
2.1 KiB
Lua

local m, public, private = aux.module'control'
private.event_frame = CreateFrame('Frame')
private.listeners = {}
private.threads = {}
public.thread_id = nil
function public.LOAD()
m.event_frame:SetScript('OnUpdate', m.on_update)
m.event_frame:SetScript('OnEvent', m.on_event)
end
function private.on_event()
for _, listener in m.listeners do
if event == listener.event and not listener.killed then
listener.cb(listener.kill)
end
end
end
function private.on_update()
for _, listener in m.listeners do
if not aux.util.any(m.listeners, function(l) return not l.killed and l.event == listener.event end) then
m.event_frame:UnregisterEvent(listener.event)
end
end
m.listeners = aux.util.filter(m.listeners, function(l) return not l.killed end)
m.threads = aux.util.filter(m.threads, function(th) return not th.killed end)
for thread_id, thread in m.threads do
if not thread.killed then
local k = thread.k
thread.k = nil
m.thread_id = thread_id
k()
m.thread_id = nil
if not thread.k then
thread.killed = true
end
end
end
end
function public.kill_listener(listener_id)
for _, listener in {m.listeners[listener_id]} do
listener.killed = true
end
end
function public.kill_thread(thread_id)
for _, thread in {m.threads[thread_id]} do
thread.killed = true
end
end
function public.event_listener(event, cb)
local listener_id = aux.unique()
m.listeners[listener_id] = { event=event, cb=cb, kill=function(...) if arg.n == 0 or arg[1] then m.kill_listener(listener_id) end end }
m.event_frame:RegisterEvent(event)
return listener_id
end
function public.on_next_event(event, callback)
m.event_listener(event, function(kill)
callback()
kill()
end)
end
function public.thread(k, ...)
local thread_id = aux.unique()
m.threads[thread_id] = { k = aux.f(k, unpack(arg)) }
return thread_id
end
function public.wait(k, ...)
if type(k) == 'number' then
m.when(function() k = k - 1 return k <= 1 end, unpack(arg))
else
m.threads[m.thread_id].k = aux.f(k, unpack(arg))
end
end
function public.when(p, k, ...)
if p() then
return k(unpack(arg))
else
return m.wait(m.when, p, aux.f(k, unpack(arg)))
end
end