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local UPower = require("lgi").UPowerGlib
local gobject = require "gears.object"
local gtimer = require "gears.timer"
local phosphor = require "assets.phosphor"
local qcolor = require "quarrel.color"
local qmath = require "quarrel.math"
local upower = assert(UPower.Client.new_full())
local inner
for _, device in ipairs(upower:get_devices()) do
if UPower.Device.kind_to_string(device.kind) == "battery" and device.model == "Primary" then
inner = device
break
end
end
local _level, _state
---@class Battery: gears.object
---@field _private { level: number, state: string}
local battery = gobject {
class = {
set_level = function(self, level)
_level = level
self:emit_signal("level", level)
end,
get_level = function()
return _level
end,
set_state = function(self, state)
_state = state
self:emit_signal("state", state)
end,
get_state = function()
return _state
end,
},
enable_properties = true,
}
local function icon_handler()
local icon_data = battery.state == "charging" and { "charging", "green" }
or qmath.step_value(battery.level, {
{ 0, { "empty", "red" } },
{ 20, { "low", "red" } },
{ 40, { "medium", "yellow" } },
{ 60, { "high", "green" } },
{ 80, { "full", "green" } },
{ 100 },
})
battery:emit_signal(
"icon",
phosphor["battery_vertical_" .. icon_data[1] .. "_fill"],
qcolor.palette[icon_data[2]]()
)
end
local function level_handler()
battery.level = qmath.percentage(inner.energy, inner.energy_full)
end
local function state_handler()
battery.state = UPower.Device.state_to_string(inner.state)
end
function inner.on_notify.state()
state_handler()
icon_handler()
end
function inner.on_notify.energy()
level_handler()
icon_handler()
end
gtimer.delayed_call(function()
state_handler()
level_handler()
icon_handler()
end)
return battery
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