158 lines
3.5 KiB
Lua
158 lines
3.5 KiB
Lua
-- Battery notification module
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-- Dependencies:
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-- acpid, upower, acpi_listens, acpi_call
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-- enabled acpid service
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local awful = require('awful')
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local naughty = require('naughty')
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local icons = require('theme.icons')
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local update_interval = 30
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-- Periodically get battery info
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awful.widget.watch(
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[[
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sh -c "
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upower -i $(upower -e | grep BAT) | grep percentage | awk '{print $2}'
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"]],
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update_interval,
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function(widget, stdout)
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local battery = stdout:gsub("%%", "")
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awesome.emit_signal("module::battery", tonumber(battery))
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end
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)
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local emit_charger_info = function()
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awful.spawn.easy_async_with_shell(
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"cat /sys/class/power_supply/*/online",
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function (stdout)
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status = tonumber(stdout)
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if status == 1 then
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awesome.emit_signal("module::charger", true)
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else
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awesome.emit_signal("module::charger", false)
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end
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end
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)
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end
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emit_charger_info()
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awful.spawn.easy_async_with_shell(
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"ps x | grep \"acpi_listen\" | grep -v grep | awk '{print $1}' | xargs kill",
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function ()
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awful.spawn.with_line_callback(
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[[
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sh -c '
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acpi_listen | grep --line-buffered ac_adapter
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']],
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{
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stdout = function(_)
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emit_charger_info()
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end
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}
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)
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end
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)
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local charger_plugged = true
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local battery_full_already_notified = true
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local battery_low_already_notified = false
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local battery_critical_already_notified = false
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local last_notification
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local function send_notification(title, text, icon, timeout, urgency)
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local args = {
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title = title,
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text = text,
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icon = icon,
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timeout = timeout,
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urgency = urgency,
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app_name = 'Power Notification'
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}
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if last_notification and not last_notification.is_expired then
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last_notification.title = args.title
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last_notification.text = args.text
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last_notification.icon = args.icon
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else
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last_notification = naughty.notification(args)
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end
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last_notification = notification
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end
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-- Full / Low / Critical notifications
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awesome.connect_signal("module::battery", function(battery)
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local text
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local icon
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local timeout
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if not charger_plugged then
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icon = icons.batt_discharging
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if battery < 6 and not battery_critical_already_notified then
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battery_critical_already_notified = true
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text = "Battery Critical!"
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timeout = 0
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urgency = 'critical'
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elseif battery < 16 and not battery_low_already_notified then
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battery_low_already_notified = true
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text = "Battery Full!"
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timeout = 6
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urgency = 'normal'
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end
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else
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icon = icons.batt_charging
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if battery ~= nil then
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if battery > 99 and not battery_full_already_notified then
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battery_full_already_notified = true
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text = "Battery Full!"
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timeout = 6
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urgency = 'normal'
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end
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end
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end
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-- If text has been initialized, then we need to send a
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-- notification
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if text then
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send_notification("Battery status", text, icon, timeout, urgency)
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end
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end)
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-- Charger notifications
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local charger_first_time = true
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awesome.connect_signal("module::charger", function(plugged)
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charger_plugged = plugged
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local text
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local icon
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-- TODO if charger is plugged and battery is full, then set
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-- battery_full_already_notified to true
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if plugged then
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battery_critical_already_notified = false
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battery_low_already_notified = false
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text = "Plugged"
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icon = icons.batt_charging
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urgency = 'normal'
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else
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battery_full_already_notified = false
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text = "Unplugged"
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icon = icons.batt_discharging
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urgency = 'normal'
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end
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-- Do not send a notification the first time (when AwesomeWM (re)starts)
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if charger_first_time then
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charger_first_time = false
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else
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send_notification("Charger Status", text, icon, 3, urgency)
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end
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end)
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