initial commit

Core/Service/Mailing/Core.lua

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+-- ------------------------------------------------------------------------------ --
+--                                TradeSkillMaster                                --
+--                          https://tradeskillmaster.com                          --
+--    All Rights Reserved - Detailed license information included with addon.     --
+-- ------------------------------------------------------------------------------ --
+
+local _, TSM = ...
+local Mailing = TSM:NewPackage("Mailing")
+local Event = TSM.Include("Util.Event")
+local private = {
+	mailOpen = false,
+	frameCallbacks = {},
+}
+
+
+
+-- ============================================================================
+-- Module Functions
+-- ============================================================================
+
+function Mailing.OnInitialize()
+	Event.Register("MAIL_SHOW", private.MailShow)
+	Event.Register("MAIL_CLOSED", private.MailClosed)
+end
+
+function Mailing.RegisterFrameCallback(callback)
+	tinsert(private.frameCallbacks, callback)
+end
+
+function Mailing.IsOpen()
+	return private.mailOpen
+end
+
+
+
+-- ============================================================================
+-- Private Helper Functions
+-- ============================================================================
+
+function private.MailShow()
+	private.mailOpen = true
+	for _, callback in ipairs(private.frameCallbacks) do
+		callback(true)
+	end
+end
+
+function private.MailClosed()
+	if not private.mailOpen then
+		return
+	end
+	private.mailOpen = false
+	for _, callback in ipairs(private.frameCallbacks) do
+		callback(false)
+	end
+end