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local ConfirmBox = require("ui/widget/confirmbox")
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local Device = require("device")
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local Event = require("ui/event")
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local InfoMessage = require("ui/widget/infomessage")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local SpinWidget = require("ui/widget/spinwidget")
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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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battery_confirm_box = nil,
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memory_confirm_box = nil,
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}
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function ReaderDeviceStatus:init()
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if Device:hasBattery() then
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self.battery_interval = G_reader_settings:readSetting("device_status_battery_interval", 10)
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self.battery_threshold = G_reader_settings:readSetting("device_status_battery_threshold", 20)
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self.battery_threshold_high = G_reader_settings:readSetting("device_status_battery_threshold_high", 100)
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self.checkLowBatteryLevel = function()
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local is_charging = powerd:isCharging()
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local battery_capacity = powerd:getCapacity()
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if powerd:getDismissBatteryStatus() == true then -- alerts dismissed
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if (is_charging and battery_capacity <= self.battery_threshold_high) or
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(not is_charging and battery_capacity > self.battery_threshold) then
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powerd:setDismissBatteryStatus(false)
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end
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else
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if (is_charging and battery_capacity > self.battery_threshold_high) or
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(not is_charging and battery_capacity <= self.battery_threshold) then
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if self.battery_confirm_box then
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UIManager:close(self.battery_confirm_box)
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end
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self.battery_confirm_box = ConfirmBox:new {
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text = is_charging and T(_("High battery level: %1%\n\nDismiss battery level alert?"), battery_capacity)
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or T(_("Low battery level: %1%\n\nDismiss battery level alert?"), battery_capacity),
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ok_text = _("Dismiss"),
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dismissable = false,
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ok_callback = function()
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powerd:setDismissBatteryStatus(true)
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end,
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}
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UIManager:show(self.battery_confirm_box)
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end
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end
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UIManager:scheduleIn(self.battery_interval * 60, self.checkLowBatteryLevel)
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end
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self:startBatteryChecker()
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end
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if not Device:isAndroid() then
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self.memory_interval = G_reader_settings:readSetting("device_status_memory_interval", 5)
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self.memory_threshold = G_reader_settings:readSetting("device_status_memory_threshold", 100)
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self.checkHighMemoryUsage = function()
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local statm = io.open("/proc/self/statm", "r")
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if statm then
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local dummy, rss = statm:read("*number", "*number")
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statm:close()
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rss = math.floor(rss * 4096 / 1024 / 1024)
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if rss >= self.memory_threshold then
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if self.memory_confirm_box then
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UIManager:close(self.memory_confirm_box)
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end
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if Device:canRestart() then
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if UIManager:getTopWidget() == "ReaderUI"
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and G_reader_settings:isTrue("device_status_memory_auto_restart") then
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UIManager:show(InfoMessage:new{
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text = _("High memory usage!\n\nKOReader is restarting…"),
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icon = "notice-warning",
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})
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UIManager:nextTick(function()
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self.ui:handleEvent(Event:new("Restart"))
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end)
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else
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self.memory_confirm_box = ConfirmBox:new {
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text = T(_("High memory usage: %1 MB\n\nRestart KOReader?"), rss),
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ok_text = _("Restart"),
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dismissable = false,
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ok_callback = function()
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UIManager:show(InfoMessage:new{
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text = _("High memory usage!\n\nKOReader is restarting…"),
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icon = "notice-warning",
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})
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UIManager:nextTick(function()
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self.ui:handleEvent(Event:new("Restart"))
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end)
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end,
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}
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UIManager:show(self.memory_confirm_box)
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end
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else
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self.memory_confirm_box = ConfirmBox:new {
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text = T(_("High memory usage: %1 MB\n\nExit KOReader?"), rss),
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ok_text = _("Exit"),
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dismissable = false,
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ok_callback = function()
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self.ui:handleEvent(Event:new("Exit"))
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end,
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}
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UIManager:show(self.memory_confirm_box)
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end
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end
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end
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UIManager:scheduleIn(self.memory_interval * 60, self.checkHighMemoryUsage)
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end
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self:startMemoryChecker()
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end
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self.ui.menu:registerToMainMenu(self)
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end
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function ReaderDeviceStatus:addToMainMenu(menu_items)
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menu_items.device_status_alarm = {
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text = _("Device status alerts"),
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sub_item_table = {},
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}
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if Device:hasBattery() then
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table.insert(menu_items.device_status_alarm.sub_item_table,
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{
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text = _("Battery level"),
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checked_func = function()
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return G_reader_settings:isTrue("device_status_battery_alarm")
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end,
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callback = function()
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G_reader_settings:flipNilOrFalse("device_status_battery_alarm")
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if G_reader_settings:isTrue("device_status_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:setDismissBatteryStatus(false)
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end
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end,
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})
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table.insert(menu_items.device_status_alarm.sub_item_table,
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{
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text_func = function()
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return T(_("Check interval: %1 min"), self.battery_interval)
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end,
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enabled_func = function()
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return G_reader_settings:isTrue("device_status_battery_alarm")
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end,
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keep_menu_open = true,
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callback = function(touchmenu_instance)
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UIManager:show(SpinWidget:new{
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value = self.battery_interval,
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value_min = 1,
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value_max = 60,
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default_value = 10,
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value_hold_step = 5,
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title_text = _("Battery check interval"),
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callback = function(spin)
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self.battery_interval = spin.value
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G_reader_settings:saveSetting("device_status_battery_interval", self.battery_interval)
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touchmenu_instance:updateItems()
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powerd:setDismissBatteryStatus(false)
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UIManager:scheduleIn(self.battery_interval * 60, self.checkLowBatteryLevel)
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end,
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})
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end,
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})
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table.insert(menu_items.device_status_alarm.sub_item_table,
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{
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text_func = function()
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return T(_("Thresholds: %1% – %2%"), self.battery_threshold, self.battery_threshold_high)
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end,
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enabled_func = function()
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return G_reader_settings:isTrue("device_status_battery_alarm")
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end,
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keep_menu_open = true,
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callback = function(touchmenu_instance)
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local DoubleSpinWidget = require("/ui/widget/doublespinwidget")
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local thresholds_widget
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thresholds_widget = DoubleSpinWidget:new{
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title_text = _("Battery level alert thresholds"),
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info_text = _([[
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Low level threshold is checked when the device is not charging.
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High level threshold is checked when the device is charging.]]),
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left_text = _("Low"),
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left_value = self.battery_threshold,
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left_min = 1,
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left_max = self.battery_threshold_high,
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left_default = 20,
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left_hold_step = 5,
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right_text = _("High"),
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right_value = self.battery_threshold_high,
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right_min = self.battery_threshold,
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right_max = 100,
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right_default = 100,
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right_hold_step = 5,
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default_values = true,
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callback = function(left_value, right_value)
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if not left_value then -- "Default" button pressed
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left_value = 20
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right_value = 100
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end
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self.battery_threshold = left_value
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self.battery_threshold_high = right_value
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G_reader_settings:saveSetting("device_status_battery_threshold", self.battery_threshold)
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G_reader_settings:saveSetting("device_status_battery_threshold_high", self.battery_threshold_high)
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UIManager:close(thresholds_widget)
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touchmenu_instance:updateItems()
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powerd:setDismissBatteryStatus(false)
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end,
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}
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UIManager:show(thresholds_widget)
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end,
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separator = true,
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})
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end
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if not Device:isAndroid() then
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table.insert(menu_items.device_status_alarm.sub_item_table,
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{
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text = _("High memory usage"),
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checked_func = function()
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return G_reader_settings:isTrue("device_status_memory_alarm")
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end,
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callback = function()
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G_reader_settings:flipNilOrFalse("device_status_memory_alarm")
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if G_reader_settings:isTrue("device_status_memory_alarm") then
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self:startMemoryChecker()
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else
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self:stopMemoryChecker()
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end
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end,
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})
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table.insert(menu_items.device_status_alarm.sub_item_table,
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{
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text_func = function()
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return T(_("Check interval: %1 min"), self.memory_interval)
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end,
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enabled_func = function()
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return G_reader_settings:isTrue("device_status_memory_alarm")
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end,
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keep_menu_open = true,
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callback = function(touchmenu_instance)
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UIManager:show(SpinWidget:new{
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value = self.memory_interval,
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value_min = 1,
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value_max = 60,
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default_value = 5,
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value_hold_step = 5,
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title_text = _("Memory check interval"),
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callback = function(spin)
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self.memory_interval = spin.value
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G_reader_settings:saveSetting("device_status_memory_interval", self.memory_interval)
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touchmenu_instance:updateItems()
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UIManager:scheduleIn(self.memory_interval * 60, self.checkHighMemoryUsage)
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end,
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})
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end,
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})
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table.insert(menu_items.device_status_alarm.sub_item_table,
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{
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text_func = function()
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return T(_("Threshold: %1 MB"), self.memory_threshold)
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end,
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enabled_func = function()
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return G_reader_settings:isTrue("device_status_memory_alarm")
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end,
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keep_menu_open = true,
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callback = function(touchmenu_instance)
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UIManager:show(SpinWidget:new{
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value = self.memory_threshold,
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value_min = 20,
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value_max = 500,
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default_value = 100,
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value_step = 5,
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value_hold_step = 10,
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title_text = _("Memory alert threshold"),
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callback = function(spin)
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self.memory_threshold = spin.value
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G_reader_settings:saveSetting("device_status_memory_threshold", self.memory_threshold)
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touchmenu_instance:updateItems()
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end,
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})
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end,
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})
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table.insert(menu_items.device_status_alarm.sub_item_table,
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{
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text = _("Automatic restart"),
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enabled_func = function()
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return G_reader_settings:isTrue("device_status_memory_alarm") and Device:canRestart()
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end,
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checked_func = function()
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return G_reader_settings:isTrue("device_status_memory_auto_restart")
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end,
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callback = function()
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G_reader_settings:flipNilOrFalse("device_status_memory_auto_restart")
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end,
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})
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end
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end
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function ReaderDeviceStatus:startBatteryChecker()
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if G_reader_settings:isTrue("device_status_battery_alarm") then
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self.checkLowBatteryLevel()
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end
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end
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function ReaderDeviceStatus:stopBatteryChecker()
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if self.checkLowBatteryLevel then
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UIManager:unschedule(self.checkLowBatteryLevel)
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end
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end
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function ReaderDeviceStatus:startMemoryChecker()
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if G_reader_settings:isTrue("device_status_memory_alarm") then
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self.checkHighMemoryUsage()
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end
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end
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function ReaderDeviceStatus:stopMemoryChecker()
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if self.checkHighMemoryUsage then
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UIManager:unschedule(self.checkHighMemoryUsage)
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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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self:startMemoryChecker()
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end
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function ReaderDeviceStatus:onSuspend()
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self:stopBatteryChecker()
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self:stopMemoryChecker()
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end
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function ReaderDeviceStatus:onCloseWidget()
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self:stopBatteryChecker()
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self:stopMemoryChecker()
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end
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return ReaderDeviceStatus
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