mirror of
https://github.com/koreader/koreader.git
synced 2025-08-10 00:52:38 +00:00
8f61bc750b
Each JNI call has a little overhead, so don't use them when it is not needed. The syntactic sugar is not needed to use android module's functions.
89 lines
2.5 KiB
Lua
89 lines
2.5 KiB
Lua
local BasePowerD = require("device/generic/powerd")
|
|
local _, android = pcall(require, "android")
|
|
|
|
local AndroidPowerD = BasePowerD:new{
|
|
fl_min = 0,
|
|
fl_max = 100,
|
|
}
|
|
|
|
-- Let the footer know of the change
|
|
local function broadcastLightChanges()
|
|
if package.loaded["ui/uimanager"] ~= nil then
|
|
local Event = require("ui/event")
|
|
local UIManager = require("ui/uimanager")
|
|
UIManager:broadcastEvent(Event:new("FrontlightStateChanged"))
|
|
end
|
|
end
|
|
|
|
function AndroidPowerD:frontlightIntensityHW()
|
|
return math.floor(android.getScreenBrightness() / self.bright_diff * self.fl_max)
|
|
end
|
|
|
|
function AndroidPowerD:setIntensityHW(intensity)
|
|
-- if frontlight switch was toggled of, turn it on
|
|
android.enableFrontlightSwitch()
|
|
|
|
self.fl_intensity = intensity
|
|
android.setScreenBrightness(math.floor(intensity * self.bright_diff / self.fl_max))
|
|
end
|
|
|
|
function AndroidPowerD:init()
|
|
local min_bright = android.getScreenMinBrightness()
|
|
self.bright_diff = android.getScreenMaxBrightness() - min_bright
|
|
|
|
-- if necessary scale fl_min:
|
|
-- do not use fl_min==0 if getScreenMinBrightness!=0,
|
|
-- because intenstiy==0 would mean to use system intensity
|
|
if min_bright ~= self.fl_min then
|
|
self.fl_min = math.ceil(min_bright * self.bright_diff / self.fl_max)
|
|
end
|
|
|
|
if self.device:hasNaturalLight() then
|
|
self.fl_warmth = self:getWarmth()
|
|
self.fl_warmth_min = android.getScreenMinWarmth()
|
|
self.fl_warmth_max = android.getScreenMaxWarmth()
|
|
self.warm_diff = self.fl_warmth_max - self.fl_warmth_min
|
|
end
|
|
end
|
|
|
|
function AndroidPowerD:setWarmth(warmth)
|
|
self.fl_warmth = warmth
|
|
android.setScreenWarmth(warmth / self.warm_diff)
|
|
end
|
|
|
|
function AndroidPowerD:getWarmth()
|
|
return android.getScreenWarmth() * self.warm_diff
|
|
end
|
|
|
|
function AndroidPowerD:getCapacityHW()
|
|
return android.getBatteryLevel()
|
|
end
|
|
|
|
function AndroidPowerD:isChargingHW()
|
|
return android.isCharging()
|
|
end
|
|
|
|
function AndroidPowerD:turnOffFrontlightHW()
|
|
if not self:isFrontlightOnHW() then
|
|
return
|
|
end
|
|
android.setScreenBrightness(self.fl_min)
|
|
self.is_fl_on = false
|
|
broadcastLightChanges()
|
|
end
|
|
|
|
function AndroidPowerD:turnOnFrontlightHW()
|
|
if self:isFrontlightOn() and self:isFrontlightOnHW() then
|
|
return
|
|
end
|
|
-- on devices with a software frontlight switch (e.g Tolinos), enable it
|
|
android.enableFrontlightSwitch()
|
|
|
|
android.setScreenBrightness(math.floor(self.fl_intensity * self.bright_diff / self.fl_max))
|
|
|
|
self.is_fl_on = true
|
|
broadcastLightChanges()
|
|
end
|
|
|
|
return AndroidPowerD
|