--[[-------------------------------------------------------------------------
-- BlizzardFrames.lua
--
-- This file contains the definitions of the blizzard frame integration
-- options. These settings will not apply until the user interface is
-- reloaded.
--
-- Events registered:
--   * ADDON_LOADED - To watch for loading of the ArenaUI
-------------------------------------------------------------------------]] --
local addonName, addon = ...
local L = addon.L

-- Register a Blizzard frame for click-casting, with some additional protection
function addon:RegisterBlizzardFrame(frame)
	-- Stash the frame in case we later convert it
	local frameName = frame

	-- Convert a frame name to the global object
	if type(frame) == "string" then
		frameName = frame
		frame = _G[frameName]
		if not frame then
			addon:Printf("Error registering frame: %s", tostring(frameName))
			return
		end
	end

	if not frame then
		addon:Printf("Unable to register empty frame: %s", tostring(frameName))
		return
	end

	-- Never allow forbidden frames, we can't do anything with those!
	local forbidden = frame.IsForbidden and frame:IsForbidden()
	if forbidden then return end

	local buttonish = frame and frame.RegisterForClicks
	local protected = frame.IsProtected and frame:IsProtected()
	local anchorRestricted = frame.IsAnchoringRestricted and frame:IsAnchoringRestricted()

	-- A frame must be a button, and must be protected, and must not be a nameplate, anchor restricted
	local valid = buttonish and protected and (not anchorRestricted)
	if valid then addon:RegisterFrame(frame) end
end