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koreader/frontend/ui/widget/eventlistener.lua

29 lines
697 B
Lua

--[[
The EventListener is an interface that handles events
EventListeners have a rudimentary event handler/dispatcher that
will call a method "onEventName" for an event with name
"EventName"
--]]
local EventListener = {}
local DEBUG = require("dbg")
function EventListener:new(new_o)
local o = new_o or {}
setmetatable(o, self)
self.__index = self
if o.init then o:init() end
return o
end
function EventListener:handleEvent(event)
if self[event.handler] then
if self.id or self.name then
DEBUG:v(self.id or self.name, "handling event", event)
end
return self[event.handler](self, unpack(event.args))
end
end
return EventListener