Mercurial > wow > dependencyloader

annotate DependencyLoader/DependencyLoader.lua @ 16:1d8898cd1c82

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removed the unused code from Core.lua
author mckenziemc
date Sat, 11 Dec 2010 01:54:15 -0800
parents a46bf694050c
children
rev   line source
mckenziemc@10 1 -- DependencyLoader
mckenziemc@0 2 --
mckenziemc@0 3
mckenziemc@15 4 -- TODO: disable bootstrap if we load successfully?
mckenziemc@12 5
mckenziemc@14 6 -- TODO: implement a feature to disable unneeded libraries when a parent
mckenziemc@14 7 -- is disabled?
mckenziemc@14 8
mckenziemc@0 9 local addonName, addonTable = ...
mckenziemc@0 10
mckenziemc@0 11
mckenziemc@15 12 local DependencyLoader = LibStub("AceAddon-3.0"):NewAddon(addonName, "AceHook-3.0", "AceEvent-3.0")
mckenziemc@0 13 _G[addonName] = DependencyLoader
mckenziemc@0 14
mckenziemc@10 15 addonTable.interface = DependencyLoader
mckenziemc@10 16
mckenziemc@15 17 local classes = addonTable.classes
mckenziemc@15 18
mckenziemc@10 19
mckenziemc@12 20 local LibPrint = LibStub("LibPrint-1.0")
mckenziemc@10 21 local LibScriptLink = LibStub("LibScriptLink-1.0")
mckenziemc@10 22
mckenziemc@12 23 DependencyLoader.printStream = LibPrint:NewStream("DependencyLoader", "DpLdr", print)
mckenziemc@12 24 DependencyLoader.debugStream = LibPrint:NewStream("DependencyLoader", "DpLdr", "mcm")
mckenziemc@0 25
mckenziemc@15 26 DependencyLoader.queuedEnables = {} -- addons queued to be enabled after PLAYER_LOGIN
mckenziemc@15 27
mckenziemc@0 28
mckenziemc@0 29 function DependencyLoader:Print(...)
mckenziemc@0 30 self.printStream:Print(...)
mckenziemc@0 31 end
mckenziemc@0 32
mckenziemc@0 33
mckenziemc@0 34 function DependencyLoader:Debug(...)
mckenziemc@0 35 self.debugStream:Print(...)
mckenziemc@0 36 end
mckenziemc@0 37
mckenziemc@0 38
mckenziemc@0 39 function DependencyLoader:OnInitialize()
mckenziemc@10 40 self:Debug("Initializing", addonName)
mckenziemc@0 41 self:Enable()
mckenziemc@0 42 end
mckenziemc@0 43
mckenziemc@0 44
mckenziemc@0 45 function DependencyLoader:OnEnable()
mckenziemc@15 46 -- this may get called early so don't rely on
mckenziemc@15 47 -- it as an indicator for PLAYER_LOGIN
mckenziemc@15 48
mckenziemc@15 49 self:RegisterEvent("PLAYER_LOGIN")
mckenziemc@15 50
mckenziemc@12 51 self:RawHook("LoadAddOn", true)
mckenziemc@12 52 self:RawHook("EnableAddOn", true)
mckenziemc@12 53
mckenziemc@12 54 self:PrepareAllAddons()
mckenziemc@12 55
mckenziemc@10 56 self:Print("Enabled", addonName)
mckenziemc@0 57 end
mckenziemc@0 58
mckenziemc@10 59
mckenziemc@15 60 function DependencyLoader:PLAYER_LOGIN(...)
mckenziemc@15 61 self:Debug(...)
mckenziemc@15 62
mckenziemc@15 63 self:ProcessEnableQueue()
mckenziemc@15 64 end
mckenziemc@15 65
mckenziemc@15 66
mckenziemc@0 67 function DependencyLoader:OnDisable()
mckenziemc@0 68 self:Print("Disabled", addonName)
mckenziemc@0 69 end
mckenziemc@0 70
mckenziemc@0 71
mckenziemc@10 72 -- Does not consider user settings or addon errata.
mckenziemc@10 73 function DependencyLoader:IsForceLoadAvailable()
mckenziemc@15 74 if IsLoggedIn() then
mckenziemc@15 75 return false
mckenziemc@15 76 else
mckenziemc@15 77 return true
mckenziemc@15 78 end
mckenziemc@10 79 end
mckenziemc@10 80
mckenziemc@10 81
mckenziemc@10 82 function DependencyLoader:IsForceLoadAllowed()
mckenziemc@10 83 -- TODO: check user settings
mckenziemc@10 84 return true
mckenziemc@10 85 end
mckenziemc@10 86
mckenziemc@10 87
mckenziemc@10 88 function DependencyLoader:CanForceLoad()
mckenziemc@10 89 return self:IsForceLoadAvailable() and self:IsForceLoadAllowed()
mckenziemc@10 90 end
mckenziemc@10 91
mckenziemc@0 92
mckenziemc@0 93 -- Enables any dependencies needed by the addons
mckenziemc@0 94 -- that have already been enabled
mckenziemc@12 95 function DependencyLoader:PrepareAllAddons()
mckenziemc@10 96 local requestReload = false
mckenziemc@10 97
mckenziemc@0 98 for i=1, GetNumAddOns() do
mckenziemc@15 99 local addon = classes.Addon:Get(i)
mckenziemc@0 100
mckenziemc@10 101 -- TODO: what if an addon was loaded but its deps were then disabled?
mckenziemc@10 102 if addon:IsEnabled() and not addon:IsLoaded() then
mckenziemc@12 103 self:EnableAddOn(addon:GetName())
mckenziemc@0 104 end
mckenziemc@0 105 end
mckenziemc@10 106
mckenziemc@12 107 --[[
mckenziemc@10 108 if requestReload then
mckenziemc@10 109 local message = LibScriptLink:NewLink(ReloadUI) .. " to reload your UI."
mckenziemc@10 110 self:Print(message)
mckenziemc@10 111 end
mckenziemc@12 112 ]]
mckenziemc@0 113 end
mckenziemc@10 114
mckenziemc@10 115
mckenziemc@15 116 -- FIXME: use pcall in EnableAddOn and LoadAddOn, so that if my part errors,
mckenziemc@15 117 -- it can still use the unhooked version
mckenziemc@15 118
mckenziemc@10 119 function DependencyLoader:EnableAddOn(...)
mckenziemc@12 120 local id = ...
mckenziemc@12 121
mckenziemc@15 122 self:Debug("EnableAddOn", ...)
mckenziemc@12 123
mckenziemc@15 124 -- even though we know EnableAddOn can cause force-loading before PLAYER_LOGIN,
mckenziemc@15 125 -- DO NOT attempt to "fix" it: another addon that -does- know about
mckenziemc@15 126 -- the different behavior might call our hook.
mckenziemc@15 127
mckenziemc@15 128 if classes.Addon:Exists(id) then
mckenziemc@15 129 local addon = classes.Addon:Get(id)
mckenziemc@15 130 local tree = classes.Tree:Get(addon)
mckenziemc@12 131
mckenziemc@15 132 local requestReload = false
mckenziemc@12 133
mckenziemc@15 134 if self:CanForceLoad() then
mckenziemc@15 135 -- NOTE: if we can force-load, then will enabling LoD addons cause them to load too?
mckenziemc@15 136 -- A: no, they will still wait for LoadAddOn
mckenziemc@15 137
mckenziemc@15 138 -- Can the addon be loaded on demand if force-loading is
mckenziemc@15 139 -- allowed for its dependencies
mckenziemc@15 140 -- if so, enable all deps and force-load if nec.
mckenziemc@15 141 -- deps will get enabled if all parents are lod, force-loaded
mckenziemc@15 142 -- if any parent can't be loaded on demand
mckenziemc@15 143 -- else
mckenziemc@15 144 -- if the addon is not loadable on demand but the tree can be
mckenziemc@15 145 -- force-loaded, then force-load it all
mckenziemc@15 146 -- deps will all get loaded since req. for root to load
mckenziemc@15 147 -- else
mckenziemc@15 148 -- if it can be loaded with a reloadui then prepare after login
mckenziemc@15 149 -- else
mckenziemc@15 150 -- it can't be loaded, maybe tell the user
mckenziemc@15 151
mckenziemc@15 152 if tree:CanForceLoad() then
mckenziemc@15 153 if addon:CanLoD() then
mckenziemc@15 154 tree:PrepareForLoD()
mckenziemc@15 155 else
mckenziemc@15 156 tree:ForceLoad()
mckenziemc@15 157 end
mckenziemc@15 158 elseif tree:CanLoad() then
mckenziemc@15 159 tree:PrepareForLoad()
mckenziemc@15 160 requestReload = true
mckenziemc@15 161 else
mckenziemc@15 162 -- TODO: tell user
mckenziemc@15 163 end
mckenziemc@15 164
mckenziemc@15 165
mckenziemc@15 166 --[[
mckenziemc@15 167 if tree:CanLoDWithForce() then
mckenziemc@15 168 tree:PrepareForLoD()
mckenziemc@15 169 elseif tree:CanForceLoad() then
mckenziemc@15 170 tree:ForceLoad()
mckenziemc@15 171 elseif tree:CanLoad() then
mckenziemc@15 172 tree:PrepareForLoad()
mckenziemc@15 173 requestReload = true
mckenziemc@15 174 else
mckenziemc@15 175 -- TODO: tell user
mckenziemc@15 176 end
mckenziemc@15 177 ]]
mckenziemc@12 178 else
mckenziemc@15 179 -- if it can be loaded on demand (deps are loaded or LoD) then
mckenziemc@15 180 -- prepare it (enable all deps)
mckenziemc@15 181 -- else
mckenziemc@15 182 -- if it can be loaded (and isn't already) then
mckenziemc@15 183 -- if force loading is available, we have to wait, then enable everything
mckenziemc@15 184 -- else
mckenziemc@15 185 -- prepare for reload (TODO: move this check and similar to PLAYER_LOGOUT)
mckenziemc@15 186 -- else
mckenziemc@15 187 -- can't be loaded, maybe tell the user
mckenziemc@15 188
mckenziemc@15 189 if tree:CanLoD() then
mckenziemc@15 190 tree:PrepareForLoad()
mckenziemc@15 191 -- don't actually intend to reload, just enable everything
mckenziemc@15 192 elseif tree:CanLoad() then
mckenziemc@15 193 tree:PrepareForLoad()
mckenziemc@15 194 requestReload = true
mckenziemc@15 195 else
mckenziemc@15 196 -- TODO: tell user
mckenziemc@15 197 end
mckenziemc@12 198 end
mckenziemc@12 199
mckenziemc@15 200 if requestReload then
mckenziemc@15 201 self:RequestReload()
mckenziemc@12 202 end
mckenziemc@12 203 end
mckenziemc@12 204
mckenziemc@15 205 -- propogate the call even if it doesn't exist or deps are unavailable
mckenziemc@12 206 return self.hooks.EnableAddOn(...)
mckenziemc@10 207 end
mckenziemc@12 208
mckenziemc@12 209
mckenziemc@12 210
mckenziemc@12 211 --- Prepares the addon tree rooted at the specified addon
mckenziemc@12 212 function DependencyLoader:LoadAddOn(...)
mckenziemc@12 213 local id = ...
mckenziemc@12 214
mckenziemc@15 215 self:Debug("LoadAddOn", ...)
mckenziemc@12 216
mckenziemc@15 217 if classes.Addon:Exists(id) then
mckenziemc@15 218 local addon = classes.Addon:Get(id)
mckenziemc@15 219 local tree = classes.Tree:Get(addon)
mckenziemc@12 220
mckenziemc@12 221 if tree:CanLoD() then
mckenziemc@12 222 tree:PrepareForLoD()
mckenziemc@12 223 elseif tree:CanLoad() then
mckenziemc@12 224 tree:PrepareForReload()
mckenziemc@12 225 end
mckenziemc@12 226 end
mckenziemc@12 227
mckenziemc@12 228 -- call even if it can't be loaded so regular returns appear
mckenziemc@12 229 return self.hooks.LoadAddOn(...)
mckenziemc@12 230 end
mckenziemc@15 231
mckenziemc@15 232
mckenziemc@15 233 function DependencyLoader:RequestReload()
mckenziemc@15 234 -- TODO: this should only run once
mckenziemc@15 235 end
mckenziemc@15 236
mckenziemc@15 237
mckenziemc@15 238 function DependencyLoader:QueueEnable(name)
mckenziemc@15 239 self.queuedEnables[name] = true
mckenziemc@15 240 end
mckenziemc@15 241
mckenziemc@15 242
mckenziemc@15 243 function DependencyLoader:RawEnableAddOn(...)
mckenziemc@15 244 return self.hooks.EnableAddOn(...)
mckenziemc@15 245 end
mckenziemc@15 246
mckenziemc@15 247
mckenziemc@15 248 function DependencyLoader:RawLoadAddOn(...)
mckenziemc@15 249 return self.hooks.LoadAddOn(...)
mckenziemc@15 250 end
mckenziemc@15 251
mckenziemc@15 252
mckenziemc@15 253 function DependencyLoader:ProcessEnableQueue()
mckenziemc@15 254 for addon in pairs(self.queuedEnables) do
mckenziemc@15 255 self:RawEnableAddOn(addon)
mckenziemc@15 256 self.queuedEnables[addon] = nil
mckenziemc@15 257 end
mckenziemc@15 258 end