2
0
mirror of https://github.com/koreader/koreader synced 2024-11-10 01:10:34 +00:00
koreader/frontend/device/android/powerd.lua
NiLuJe 217a73f3c0
Initial Kindle PW5 support (#8856)
* Rejig frontlight warmth API to more closely match the existing API, and, hopefully, clarify some of its quirks, and reduce boilerplate and duplicate code in platform implementations.
* Tweak Kindle:setDateTime to prefer using the platform's custom script, as in interacts better with the stock UI. And make the fallbacks handle old busybox versions better.
* Add Kindle PW5 support ;).
* Add warmth support to the Kindle platform.
* Random TextBoxWidget cleanups: make sure we immediately free destroyed instances.
* FrontLightWidget: Refactor to make it slightly less obnoxious to grok and update; i.e., separate layout from update, and properly separate brightness from warmth handling. Move to simpler widgets instead of reinventing the wheel.
* TextBoxWidgets: Implement `setText` to match TextWidget's API, as some callers may be using the two interchangeably (i.e., Button).
* NaturalLightWidget: Make sure we pass a string to InputText
* InputText: Add debug guards to catch bad callers not passing strings ;).
2022-03-14 19:56:18 +01:00

87 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_min = android.getScreenMinWarmth()
self.fl_warmth_max = android.getScreenMaxWarmth()
self.warm_diff = self.fl_warmth_max - self.fl_warmth_min
end
end
function AndroidPowerD:setWarmthHW(warmth)
android.setScreenWarmth(warmth)
end
function AndroidPowerD:frontlightWarmthHW()
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