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koreader/plugins/timesync.koplugin/main.lua

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local Device = require("device")
local command
-- TODO(hzj-jie): Does pocketbook provide ntpdate?
if Device:isKobo() then
command = "ntpd -q -n -p pool.ntp.org"
elseif Device:isKindle() or Device:isPocketBook() then
command = "ntpdate pool.ntp.org"
else
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return { disabled = true, }
end
local InfoMessage = require("ui/widget/infomessage")
local UIManager = require("ui/uimanager")
local WidgetContainer = require("ui/widget/container/widgetcontainer")
local T = require("ffi/util").template
local _ = require("gettext")
local NetworkMgr = require("ui/network/manager")
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local TimeSync = WidgetContainer:new{
name = "timesync",
}
local function currentTime()
local std_out = io.popen("date")
if std_out then
local result = std_out:read("*all")
std_out:close()
if result ~= nil then
result = result:gsub("\n", "")
return T(_("New time is %1."), result)
end
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end
return _("Time synchronized.")
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end
local function execute()
local info = InfoMessage:new{
text = _("Synchronizing time. This may take several seconds.")
}
UIManager:show(info)
UIManager:forceRePaint()
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local txt
if os.execute(command) ~= 0 then
txt = _("Failed to retrieve time from server. Please check your network configuration.")
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else
txt = currentTime()
end
os.execute("hwclock -u -w")
UIManager:close(info)
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UIManager:show(InfoMessage:new{
text = txt,
timeout = 3,
})
end
local menuItem = {
text = _("Synchronize time"),
keep_menu_open = true,
callback = function()
if NetworkMgr:isOnline() then
execute()
else
NetworkMgr:promptWifiOn()
end
end
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}
function TimeSync:init()
self.ui.menu:registerToMainMenu(self)
end
function TimeSync:addToMainMenu(menu_items)
menu_items.synchronize_time = menuItem
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end
return TimeSync