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