mirror of https://github.com/koreader/koreader
Adds ReaderDeviceStatus: low battery alarm (#4144)
parent
55dab14c71
commit
225b5d417d
@ -0,0 +1,123 @@
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local ButtonDialogTitle = require("ui/widget/buttondialogtitle")
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local Device = require("device")
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local Font = require("ui/font")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local Screen = Device.screen
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local UIManager = require("ui/uimanager")
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local powerd = Device:getPowerDevice()
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local _ = require("gettext")
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local T = require("ffi/util").template
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local ReaderDeviceStatus = InputContainer:new{
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}
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function ReaderDeviceStatus:init()
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if powerd:getCapacity() > 0 or powerd:isCharging() then
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self.checkLowBattery = function()
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local threshold = G_reader_settings:readSetting("low_battery_threshold") or 20
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local battery_capacity = powerd:getCapacity()
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if powerd:getDissmisBatteryStatus() ~= true and battery_capacity <= threshold then
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local low_battery_info
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low_battery_info = ButtonDialogTitle:new {
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modal = true,
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title = T(_("The battery is getting low.\n%1% remaining."), battery_capacity),
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title_align = "center",
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title_face = Font:getFace("infofont"),
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dismissable = false,
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buttons = {
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{
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{
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text = _("Dismiss"),
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callback = function()
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UIManager:close(low_battery_info)
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powerd:setDissmisBatteryStatus(true)
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UIManager:scheduleIn(300, self.checkLowBattery)
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end,
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},
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},
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}
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}
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UIManager:show(low_battery_info)
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return
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elseif powerd:getDissmisBatteryStatus() and battery_capacity > threshold then
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powerd:setDissmisBatteryStatus(false)
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end
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UIManager:scheduleIn(300, self.checkLowBattery)
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end
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self.ui.menu:registerToMainMenu(self)
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self:startBatteryChecker()
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else
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self.checkLowBattery = nil
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end
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end
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function ReaderDeviceStatus:addToMainMenu(menu_items)
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menu_items.battery = {
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text = _("Low battery alarm"),
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sub_item_table = {
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{
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text = _("Enable"),
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checked_func = function()
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return G_reader_settings:nilOrTrue("battery_alarm")
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end,
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callback = function()
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G_reader_settings:flipNilOrTrue("battery_alarm")
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if G_reader_settings:nilOrTrue("battery_alarm") then
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self:startBatteryChecker()
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else
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self:stopBatteryChecker()
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powerd:setDissmisBatteryStatus(false)
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end
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end,
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},
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{
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text = _("Low battery threshold"),
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enabled_func = function() return G_reader_settings:nilOrTrue("battery_alarm") end,
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callback = function()
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local SpinWidget = require("ui/widget/spinwidget")
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local curr_items = G_reader_settings:readSetting("low_battery_threshold") or 20
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local battery_spin = SpinWidget:new {
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width = Screen:getWidth() * 0.6,
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value = curr_items,
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value_min = 5,
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value_max = 90,
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value_hold_step = 10,
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ok_text = _("Set threshold"),
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title_text = _("Low battery threshold"),
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callback = function(battery_spin)
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G_reader_settings:saveSetting("low_battery_threshold", battery_spin.value)
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powerd:setDissmisBatteryStatus(false)
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end
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}
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UIManager:show(battery_spin)
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end,
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},
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},
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}
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end
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function ReaderDeviceStatus:startBatteryChecker()
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if G_reader_settings:nilOrTrue("battery_alarm") and self.checkLowBattery then
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self.checkLowBattery()
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end
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end
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function ReaderDeviceStatus:stopBatteryChecker()
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if self.checkLowBattery then
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UIManager:unschedule(self.checkLowBattery)
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end
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end
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function ReaderDeviceStatus:onResume()
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self:startBatteryChecker()
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end
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function ReaderDeviceStatus:onSuspend()
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self:stopBatteryChecker()
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end
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function ReaderDeviceStatus:onCloseWidget()
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self:stopBatteryChecker()
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end
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return ReaderDeviceStatus
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