Refactoring: step 1

druid.lua:
- `factory` replaced with `self`
- set new name for metatable
- replaced `ipairs` with `for `i loop

data.lua:
- renamed custom messages

druid/data.lua

@@ -1,20 +1,37 @@
 local M = {}
 
+-- actions
+
 M.A_TOUCH = hash("touch")
 M.A_TEXT = hash("text")
 M.A_BACKSPACE = hash("backspace")
 M.A_ENTER = hash("enter")
 M.A_ANDR_BACK = hash("back")
 
--- interest
-M.LAYOUT_CHANGED = hash("layout_changed")
-M.ON_MESSAGE = hash("on_message")
-M.ON_INPUT = hash("on_input")
-M.ON_SWIPE = hash("on_swipe")
-M.ON_UPDATE = hash("on_update")
-M.TRANSLATABLE = hash("TRANSLATABLE")
-
 M.RELEASED = "released"
 M.PRESSED = "pressed"
 
+--- interests
+
+M.ON_MESSAGE = hash("on_message")
+M.ON_UPDATE = hash("on_update")
+
+	-- input 
+M.ON_SWIPE = hash("on_swipe")
+M.ON_INPUT = hash("on_input")
+
+M.ui_input = {
+	[M.ON_SWIPE] = true,
+	[M.ON_INPUT] = true
+	
+}
+	-- ui messages
+M.ON_CHANGE_LANGUAGE = hash("on_change_language")
+M.ON_LAYOUT_CHANGED = hash("on_layout_changed")
+
+M.specific_ui_messages = {
+	[M.ON_CHANGE_LANGUAGE] = "on_change_language",
+	[M.ON_LAYOUT_CHANGED] = "on_layout_changed"
+}
+
 return M