static bling and rubato

awesome/rubato/subscribable.lua

@@ -0,0 +1,32 @@
+-- Kidna copying awesotre's stores on a surface level for added compatibility
+local function subscribable(args)
+	local obj = args or {}
+	local subscribed = {}
+
+	-- Subscrubes a function to the object so that it's called when `fire` is
+	-- Calls subscribe_callback if it exists as well
+	function obj:subscribe(func)
+		local id = tostring(func):gsub("function: ", "")
+		subscribed[id] = func
+
+		if self.subscribe_callback then self.subscribe_callback(func) end
+	end
+
+	-- Unsubscribes a function and calls unsubscribe_callback if it exists
+	function obj:unsubscribe(func)
+		if not func then
+			subscribed = {}
+		else
+			local id = tostring(func):gsub("function: ", "")
+			subscribed[id] = nil
+		end
+
+		if self.unsubscribe_callback then self.unsubscribe_callback(func) end
+	end
+
+	function obj:fire(...) for _, func in pairs(subscribed) do func(...) end end
+
+	return obj
+end
+
+return subscribable