mirror of https://github.com/koreader/koreader
Synchronise frontlight level with nickel config
* Drops support for mocking the frontlight setting internally which may cause incorrect in-memory values. * Adds new supported value for `KOBO_LIGHT_ON_START` (-2), which sets 'Kobo eReader.conf' as the source to update `settings.reader.lua`'s brightness setting on startup, thus using the value from it indirectly. * Adds the `KOBO_SYNC_BRIGHTNESS_WITH_NICKEL` configuration variable which updates 'Kobo eReader.conf' every time the brightness setting is changed within koreader. * Fixes missing call to save brightness when modifying via two-finger swipe. Closes #1523.pull/1772/head
Dimitrios Semitsoglou-Tsiapos
8 years ago
parent
04ad3bcfe5
commit
eb47c5a39f
@ -0,0 +1,70 @@
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--[[
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Access and modify values in 'Kobo eReader.conf' used by Nickel.
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Only PowerOptions:FrontLightLevel is currently supported .
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]]
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local NickelConf = {}
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NickelConf.frontLightLevel = {}
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local kobo_conf_path = '/mnt/onboard/.kobo/Kobo/Kobo eReader.conf'
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local re_BrightnessValue = "[0-9]+"
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local re_FrontLightLevel = "^FrontLightLevel%s*=%s*(" .. re_BrightnessValue .. ")%s*$"
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local re_PowerOptionsSection = "^%[PowerOptions%]%s*"
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local re_AnySection = "^%[.*%]%s*"
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function NickelConf.frontLightLevel.get()
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local correct_section = false
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local kobo_conf = assert(io.open(kobo_conf_path, "r"))
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for line in kobo_conf:lines() do
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if string.match(line, re_AnySection) then
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correct_section = false
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if string.match(line, re_PowerOptionsSection) then
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correct_section = true
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end
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end
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if correct_section then
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new_intensity = string.match(line, re_FrontLightLevel)
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if new_intensity then
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new_intensity = tonumber(new_intensity)
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break
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end
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end
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end
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kobo_conf:close()
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return new_intensity
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end
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function NickelConf.frontLightLevel.set(new_intensity)
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assert(new_intensity >= 0 and new_intensity <= 100,
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"Wrong brightness value given!")
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local lines = {}
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local correct_section = false
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local kobo_conf = assert(io.open(kobo_conf_path, "r"))
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for line in kobo_conf:lines() do
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if string.match(line, re_AnySection) then
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correct_section = false
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if string.match(line, re_PowerOptionsSection) then
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correct_section = true
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end
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end
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old_intensity = string.match(line, re_FrontLightLevel)
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if correct_section and old_intensity then
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lines[#lines + 1] = string.gsub(line, re_BrightnessValue, new_intensity, 1)
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remaining_file = kobo_conf:read("*a")
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break
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else
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lines[#lines + 1] = line
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end
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end
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kobo_conf:close()
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kobo_conf = assert(io.open(kobo_conf_path, "w"))
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for i, line in ipairs(lines) do
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kobo_conf:write(line, "\n")
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end
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kobo_conf:write(remaining_file)
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kobo_conf:close()
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end
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return NickelConf
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