Upload most recent update of standard plugin prior to any personal tweaks

pinpadlockscreen.koplugin/util/screensaverutil.lua

@@ -0,0 +1,53 @@
+--[[
+Author: Lena2309, oleasteo (original inspiration)
+Inspiration and original skeleton from `https://github.com/oleasteo/koreader-screenlockpin`
+Description: Utility to prevent screensaver from closing and manage z-order
+]]
+
+local Device = require("device")
+local Screensaver = require("ui/screensaver")
+
+local ScreensaverUtil = {}
+
+local _original_setup = nil
+local _original_close = nil
+local _frozen = false
+
+-- Prevent screensaver from closing
+function ScreensaverUtil.freeze()
+    if _frozen then return end
+    Device.screen_saver_lock = false
+    Device.screen_saver_mode = false
+    if not _original_setup then
+        _original_setup = Screensaver.setup
+    end
+    _original_close = Screensaver.close
+    Screensaver.setup = function() end
+    Screensaver.close = function() end
+    _frozen = true
+end
+
+-- Restore screensaver normal behavior
+function ScreensaverUtil.unfreeze(callback)
+    if callback and _original_setup then
+        Screensaver.setup = function()
+            callback()
+            _original_setup(Screensaver)
+        end
+    elseif _original_setup then
+        Screensaver.setup = _original_setup
+        _original_setup = nil
+    end
+    if _original_close then
+        Screensaver.close = _original_close
+        _original_close = nil
+    end
+    _frozen = false
+end
+
+function ScreensaverUtil.forceClose(callback)
+    ScreensaverUtil.unfreeze(callback)
+    Screensaver:close_widget()
+end
+
+return ScreensaverUtil