mckenziemc@16: --	Core
mckenziemc@17: --	Provides core functionality of Core
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: --	TODO: disable bootstrap if we load successfully?
mckenziemc@17: --	TODO: implement a feature to disable unneeded libraries when a parent 
mckenziemc@17: --	is disabled?
mckenziemc@0: 
mckenziemc@0: 
mckenziemc@0: local addonName, addonTable = ...
mckenziemc@0: 
mckenziemc@0: 
mckenziemc@17: --	locals
mckenziemc@17: local print = addonTable.print
mckenziemc@17: local debug = addonTable.debug
mckenziemc@17: local classes = addonTable.classes
mckenziemc@17: 
mckenziemc@17: local AceHook = LibStub("AceHook-3.0")
mckenziemc@17: local LibScriptLink = LibStub("LibScriptLink-1.0")
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: local Core = addonTable:NewClass("Core")
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: AceHook:Embed(Core)
mckenziemc@17: 
mckenziemc@17: Core.queuedEnables = {}		--	addons queued to be enabled after PLAYER_LOGIN
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: --	Does not consider user settings or addon errata.
mckenziemc@17: function Core:IsForceLoadAvailable()
mckenziemc@17: 	if IsLoggedIn() then
mckenziemc@17: 		return false
mckenziemc@17: 	else
mckenziemc@17: 		return true
mckenziemc@17: 	end
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: function Core:IsForceLoadAllowed()
mckenziemc@17: 	--	TODO: check user settings
mckenziemc@17: 	return true
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: function Core:CanForceLoad()
mckenziemc@17: 	return self:IsForceLoadAvailable() and self:IsForceLoadAllowed()
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@18: function Core:CanLoadLate()
mckenziemc@18: 	--	assume we've already logged in
mckenziemc@18: 	return true
mckenziemc@18: 	--	TODO: check user settings
mckenziemc@18: end
mckenziemc@18: 
mckenziemc@18: 
mckenziemc@17: --	Enables any dependencies needed by the addons 
mckenziemc@17: --	that have already been enabled
mckenziemc@17: function Core:PrepareAllAddons()
mckenziemc@17: 	for i=1, GetNumAddOns() do
mckenziemc@17: 		local addon = classes.Addon:Get(i)
mckenziemc@17: 		
mckenziemc@17: 		--	TODO: what if an addon was loaded but its deps were then disabled?
mckenziemc@17: 		if addon:IsEnabled() and not addon:IsLoaded() then
mckenziemc@17: 			self:EnableAddOn(i)
mckenziemc@17: 		end
mckenziemc@17: 	end
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: function Core:SetHooks()
mckenziemc@17: 	self:RawHook("EnableAddOn", true)
mckenziemc@17: 	self:RawHook("LoadAddOn", true)
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: --	FIXME: use pcall in EnableAddOn and LoadAddOn, so that if my part errors,  
mckenziemc@17: --	it can still use the unhooked version
mckenziemc@17: 
mckenziemc@17: function Core:EnableAddOn(...)
mckenziemc@17: 	local id = ...
mckenziemc@17: 	
mckenziemc@17: 	debug("EnableAddOn", ...)
mckenziemc@17: 	
mckenziemc@17: 	--	even though we know EnableAddOn can cause force-loading before PLAYER_LOGIN, 
mckenziemc@17: 	--	DO NOT attempt to "fix" it: another addon that -does- know about 
mckenziemc@17: 	--	the different behavior might call our hook.
mckenziemc@17: 	
mckenziemc@17: 	if classes.Addon:Exists(id) then
mckenziemc@17: 		local addon = classes.Addon:Get(id)
mckenziemc@17: 		local tree = classes.Tree:Get(addon)
mckenziemc@17: 		
mckenziemc@17: 		local requestReload = false
mckenziemc@17: 		
mckenziemc@17: 		if self:CanForceLoad() then
mckenziemc@17: 			--	NOTE: if we can force-load, then will enabling LoD addons cause them to load too?
mckenziemc@17: 			--	A: no, they will still wait for LoadAddOn
mckenziemc@17: 			
mckenziemc@17: 			--	Can the addon be loaded on demand if force-loading is 
mckenziemc@17: 			--	allowed for its dependencies
mckenziemc@17: 			--	if so, enable all deps and force-load if nec.
mckenziemc@17: 			--		deps will get enabled if all parents are lod, force-loaded
mckenziemc@17: 			--		if any parent can't be loaded on demand
mckenziemc@17: 			--	else
mckenziemc@17: 			--	if the addon is not loadable on demand but the tree can be
mckenziemc@17: 			--	force-loaded, then force-load it all
mckenziemc@17: 			--		deps will all get loaded since req. for root to load
mckenziemc@17: 			--	else
mckenziemc@17: 			--	if it can be loaded with a reloadui then prepare after login
mckenziemc@17: 			--	else
mckenziemc@17: 			--	it can't be loaded, maybe tell the user
mckenziemc@17: 			
mckenziemc@18: 			debug("EnableAddOn hook, checking", addon:GetName())
mckenziemc@18: 			
mckenziemc@17: 			if tree:CanForceLoad() then
mckenziemc@17: 				if addon:CanLoD() then
mckenziemc@17: 					tree:PrepareForLoD()
mckenziemc@17: 				else
mckenziemc@17: 					tree:ForceLoad()
mckenziemc@17: 				end
mckenziemc@17: 			elseif tree:CanLoad() then
mckenziemc@17: 				tree:PrepareForLoad()
mckenziemc@17: 				requestReload = true
mckenziemc@17: 			else
mckenziemc@17: 				--	TODO: tell user
mckenziemc@17: 			end
mckenziemc@17: 			
mckenziemc@17: 			
mckenziemc@17: 			--[[
mckenziemc@17: 			if tree:CanLoDWithForce() then
mckenziemc@17: 				tree:PrepareForLoD()
mckenziemc@17: 			elseif tree:CanForceLoad() then
mckenziemc@17: 				tree:ForceLoad()
mckenziemc@17: 			elseif tree:CanLoad() then
mckenziemc@17: 				tree:PrepareForLoad()
mckenziemc@17: 				requestReload = true
mckenziemc@17: 			else
mckenziemc@17: 				--	TODO: tell user
mckenziemc@17: 			end
mckenziemc@17: 			]]
mckenziemc@17: 		else
mckenziemc@17: 			--	if it can be loaded on demand (deps are loaded or LoD) then
mckenziemc@17: 			--	prepare it (enable all deps)
mckenziemc@17: 			--	else
mckenziemc@17: 			--	if it can be loaded (and isn't already) then
mckenziemc@17: 			--		if force loading is available, we have to wait, then enable everything
mckenziemc@17: 			--		else
mckenziemc@17: 			--		prepare for reload (TODO: move this check and similar to PLAYER_LOGOUT)
mckenziemc@17: 			--	else
mckenziemc@17: 			--	can't be loaded, maybe tell the user
mckenziemc@17: 			
mckenziemc@17: 			if tree:CanLoD() then
mckenziemc@17: 				tree:PrepareForLoad()
mckenziemc@17: 				--	don't actually intend to reload, just enable everything
mckenziemc@18: 			elseif self:CanLoadLate() and tree:CanLoadLate() then
mckenziemc@18: 				tree:LoadLate()
mckenziemc@17: 			elseif tree:CanLoad() then
mckenziemc@17: 				tree:PrepareForLoad()
mckenziemc@17: 				requestReload = true
mckenziemc@17: 			else
mckenziemc@17: 				--	TODO: tell user
mckenziemc@17: 			end
mckenziemc@17: 		end
mckenziemc@17: 		
mckenziemc@17: 		if requestReload then
mckenziemc@17: 			self:RequestReload()
mckenziemc@17: 		end
mckenziemc@17: 	end
mckenziemc@17: 	
mckenziemc@17: 	--	propogate the call even if it doesn't exist or deps are unavailable
mckenziemc@17: 	return self:RawEnableAddOn(...)
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: ---	Prepares the addon tree rooted at the specified addon
mckenziemc@17: function Core:LoadAddOn(...)
mckenziemc@17: 	local id = ...
mckenziemc@17: 	
mckenziemc@17: 	debug("LoadAddOn", ...)
mckenziemc@17: 	
mckenziemc@17: 	if classes.Addon:Exists(id) then
mckenziemc@17: 		local addon = classes.Addon:Get(id)
mckenziemc@17: 		local tree = classes.Tree:Get(addon)
mckenziemc@17: 		
mckenziemc@17: 		if tree:CanLoD() then
mckenziemc@17: 			tree:PrepareForLoD()
mckenziemc@17: 		elseif tree:CanLoad() then
mckenziemc@17: 			tree:PrepareForLoad()
mckenziemc@17: 			--	TODO: request reload
mckenziemc@17: 		end
mckenziemc@17: 	end
mckenziemc@17: 		
mckenziemc@17: 	--	call even if it can't be loaded so regular returns appear
mckenziemc@17: 	return self:RawLoadAddOn(...)
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: function Core:RequestReload()
mckenziemc@17: 	--	TODO: this should be throtled so that it can 
mckenziemc@17: 	--	occur more than once but not within a short time
mckenziemc@17: 	
mckenziemc@17: 	debug("reload requested (NYI)")
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: --	name or index
mckenziemc@17: function Core:QueueEnable(addon)
mckenziemc@17: 	self.queuedEnables[addon] = true
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: function Core:RawEnableAddOn(...)
mckenziemc@18: 	debug("RawEnableAddOn: enabling", ...)
mckenziemc@17: 	return self.hooks.EnableAddOn(...)
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: function Core:RawLoadAddOn(...)
mckenziemc@17: 	return self.hooks.LoadAddOn(...)
mckenziemc@17: end
mckenziemc@17: 
mckenziemc@17: 
mckenziemc@17: function Core:ProcessEnableQueue()
mckenziemc@17: 	for addon in pairs(self.queuedEnables) do
mckenziemc@17: 		self:RawEnableAddOn(addon)
mckenziemc@17: 		self.queuedEnables[addon] = nil
mckenziemc@17: 	end
mckenziemc@17: end