Add onInstall check

addon/installTasks.py

@@ -1,5 +1,8 @@
 import typing
 from time import sleep
+import addonHandler
+import gui
+import wx
 
 if typing.TYPE_CHECKING:
 	from .lib import configuration
@@ -12,6 +15,22 @@
 
 
 def onInstall():
+	for addon in addonHandler.getAvailableAddons():
+		if addon.name == "nvdaRd":
+			result = gui.messageBox(
+				# Translators: message asking the user to remove nvdaRd add-on
+				_("This add-on was previously called NVDA Remote Desktop. "
+				"You have an installed version of that add-on. "
+				"Would you like to update to RDAccess?"),
+				# Translators: question title
+				_("Previous version detected"),
+				wx.YES_NO|wx.ICON_QUESTION,
+				gui.mainFrame
+			)
+			if result == wx.YES:
+				addon.requestRemove()
+			else:
+				raise addonHandler.AddonError("Installed nvdaRd found that needs to be removed first")
 	configuration.initializeConfig()