updatenotify: add update notification

modules/updatenotify.lua

@@ -0,0 +1,33 @@
+pfUI:RegisterModule("updatenotify", function ()
+  local alreadyshown = false
+  local localversion  = tonumber(pfUI.version.major*10000 + pfUI.version.minor*100 + pfUI.version.fix)
+  local remoteversion = tonumber(pfUI_init.updateavailable) or 0
+
+  pfUI.updater = CreateFrame("Frame")
+  pfUI.updater:RegisterEvent("CHAT_MSG_ADDON")
+  pfUI.updater:RegisterEvent("PLAYER_ENTERING_WORLD")
+  pfUI.updater:SetScript("OnEvent", function()
+    if event == "CHAT_MSG_ADDON" and arg1 == "pfUI" then
+      local v, remoteversion = pfUI.api.strsplit(":", arg2)
+      local remoteversion = tonumber(remoteversion)
+      if v == "VERSION" and remoteversion then
+        if remoteversion > localversion then
+          pfUI_init.updateavailable = remoteversion
+        end
+      end
+    end
+
+    if event == "PLAYER_ENTERING_WORLD" then
+      if not alreadyshown and localversion < remoteversion then
+        DEFAULT_CHAT_FRAME:AddMessage(T["|cff33ffccpf|rUI: New version available! Have a look at http://shagu.org !"])
+        DEFAULT_CHAT_FRAME:AddMessage(T["|cffddddddIt's always safe to upgrade |cff33ffccpf|rUI. |cffddddddYou won't lose any of your configuration."])
+        pfUI_init.updateavailable = localversion
+        alreadyshown = true
+      end
+
+      for _, chan in pairs({ "BATTLEGROUND", "RAID", "GUILD" }) do
+        SendAddonMessage("pfUI", "VERSION:" .. localversion, chan)
+      end
+    end
+  end)
+end)

pfUI.toc

@@ -44,6 +44,7 @@ modules\firstrun.lua
 modules\gui.lua
 modules\unlock.lua
 modules\hoverbind.lua
+modules\updatenotify.lua
 modules\actionbar.lua
 modules\hunterbar.lua
 modules\rangecheck.lua