mirror of
https://github.com/koreader/koreader
synced 2024-11-18 03:25:46 +00:00
83 lines
2.4 KiB
Lua
83 lines
2.4 KiB
Lua
local BasePowerD = require("device/generic/powerd")
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local _, android = pcall(require, "android")
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local AndroidPowerD = BasePowerD:new{
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fl_min = 0,
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fl_max = 100,
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}
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function AndroidPowerD:frontlightIntensityHW()
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return math.floor(android.getScreenBrightness() / self.bright_diff * self.fl_max)
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end
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function AndroidPowerD:setIntensityHW(intensity)
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-- If the frontlight switch was off, turn it on.
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android.enableFrontlightSwitch()
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self.fl_intensity = intensity
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android.setScreenBrightness(math.floor(intensity * self.bright_diff / self.fl_max))
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self:_decideFrontlightState()
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end
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function AndroidPowerD:init()
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local min_bright = android.getScreenMinBrightness()
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self.bright_diff = android.getScreenMaxBrightness() - min_bright
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-- if necessary scale fl_min:
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-- do not use fl_min==0 if getScreenMinBrightness!=0,
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-- because intenstiy==0 would mean to use system intensity
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if min_bright ~= self.fl_min then
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self.fl_min = math.ceil(min_bright * self.bright_diff / self.fl_max)
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end
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if self.device:hasNaturalLight() then
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self.fl_warmth_min = android.getScreenMinWarmth()
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self.fl_warmth_max = android.getScreenMaxWarmth()
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self.warm_diff = self.fl_warmth_max - self.fl_warmth_min
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end
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end
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function AndroidPowerD:setWarmthHW(warmth)
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android.setScreenWarmth(warmth)
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end
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function AndroidPowerD:frontlightWarmthHW()
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return android.getScreenWarmth() * self.warm_diff
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end
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function AndroidPowerD:getCapacityHW()
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return android.getBatteryLevel()
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end
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function AndroidPowerD:isChargingHW()
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return android.isCharging()
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end
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function AndroidPowerD:turnOffFrontlightHW()
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if not self:isFrontlightOnHW() then
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return
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end
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android.setScreenBrightness(self.fl_min)
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if android.hasStandaloneWarmth() then
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android.setScreenWarmth(self.fl_warmth_min)
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end
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end
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function AndroidPowerD:turnOnFrontlightHW(done_callback)
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if self:isFrontlightOn() and self:isFrontlightOnHW() then
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return
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end
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-- on devices with a software frontlight switch (e.g Tolinos), enable it
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android.enableFrontlightSwitch()
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android.setScreenBrightness(math.floor(self.fl_intensity * self.bright_diff / self.fl_max))
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if android.hasStandaloneWarmth() then
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android.setScreenWarmth(math.floor(self.fl_warmth / self.warm_diff))
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end
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return false
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end
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return AndroidPowerD
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