mirror of
https://github.com/koreader/koreader
synced 2024-11-10 01:10:34 +00:00
135 lines
4.4 KiB
Lua
135 lines
4.4 KiB
Lua
local Device = require("device")
|
|
|
|
if not (Device:isKindle() and Device:hasLightSensor()) then
|
|
return { disabled = true, }
|
|
end
|
|
|
|
local ConfirmBox = require("ui/widget/confirmbox")
|
|
local DataStorage = require("datastorage")
|
|
local LuaSettings = require("luasettings")
|
|
local PluginShare = require("pluginshare")
|
|
local UIManager = require("ui/uimanager")
|
|
local WidgetContainer = require("ui/widget/container/widgetcontainer")
|
|
local logger = require("logger")
|
|
local _ = require("gettext")
|
|
local T = require("ffi/util").template
|
|
|
|
local AutoFrontlight = {
|
|
settings = LuaSettings:open(DataStorage:getSettingsDir() .. "/autofrontlight.lua"),
|
|
settings_id = 0,
|
|
enabled = false,
|
|
last_brightness = -1,
|
|
}
|
|
|
|
function AutoFrontlight:_schedule(settings_id)
|
|
local enabled = function()
|
|
if not self.enabled then
|
|
logger.dbg("AutoFrontlight:_schedule() is disabled")
|
|
return false
|
|
end
|
|
if settings_id ~= self.settings_id then
|
|
logger.dbg("AutoFrontlight:_schedule(): registered settings_id ",
|
|
settings_id,
|
|
" does not equal to current one ",
|
|
self.settings_id)
|
|
return false
|
|
end
|
|
|
|
return true
|
|
end
|
|
|
|
table.insert(PluginShare.backgroundJobs, {
|
|
when = 2,
|
|
repeated = enabled,
|
|
executable = function()
|
|
if enabled() then
|
|
self:_action()
|
|
end
|
|
end
|
|
})
|
|
local Event = require("ui/event")
|
|
UIManager:broadcastEvent(Event:new("BackgroundJobsUpdated"))
|
|
end
|
|
|
|
function AutoFrontlight:_action()
|
|
logger.dbg("AutoFrontlight:_action() @ ", os.time())
|
|
local current_level = Device:ambientBrightnessLevel()
|
|
logger.dbg("AutoFrontlight:_action(): Retrieved ambient brightness level: ", current_level)
|
|
if self.last_brightness == current_level then
|
|
logger.dbg("AutoFrontlight:_action(): recorded brightness is same as current level ",
|
|
self.last_brightness)
|
|
return
|
|
end
|
|
if current_level <= 1 then
|
|
logger.dbg("AutoFrontlight: going to turn on frontlight")
|
|
Device:getPowerDevice():turnOnFrontlight()
|
|
elseif current_level >= 3 then
|
|
logger.dbg("AutoFrontlight: going to turn off frontlight")
|
|
Device:getPowerDevice():turnOffFrontlight()
|
|
end
|
|
self.last_brightness = current_level
|
|
end
|
|
|
|
function AutoFrontlight:init()
|
|
self.enabled = self.settings:nilOrTrue("enable")
|
|
self.settings_id = self.settings_id + 1
|
|
logger.dbg("AutoFrontlight:init() self.enabled: ", self.enabled, " with id ", self.settings_id)
|
|
self:_schedule(self.settings_id)
|
|
end
|
|
|
|
function AutoFrontlight:flipSetting()
|
|
self.settings:flipNilOrTrue("enable")
|
|
self:init()
|
|
end
|
|
|
|
function AutoFrontlight:onFlushSettings()
|
|
self.settings:flush()
|
|
end
|
|
|
|
AutoFrontlight:init()
|
|
|
|
local AutoFrontlightWidget = WidgetContainer:extend{
|
|
name = "autofrontlight",
|
|
}
|
|
|
|
function AutoFrontlightWidget:init()
|
|
-- self.ui and self.ui.menu are nil in unittests.
|
|
if self.ui ~= nil and self.ui.menu ~= nil then
|
|
self.ui.menu:registerToMainMenu(self)
|
|
end
|
|
end
|
|
|
|
function AutoFrontlightWidget:flipSetting()
|
|
AutoFrontlight:flipSetting()
|
|
end
|
|
|
|
-- For test only.
|
|
function AutoFrontlightWidget:deprecateLastTask()
|
|
logger.dbg("AutoFrontlightWidget:deprecateLastTask() @ ", AutoFrontlight.settings_id)
|
|
AutoFrontlight.settings_id = AutoFrontlight.settings_id + 1
|
|
end
|
|
|
|
function AutoFrontlightWidget:addToMainMenu(menu_items)
|
|
menu_items.auto_frontlight = {
|
|
text = _("Auto frontlight"),
|
|
callback = function(touchmenu_instance)
|
|
UIManager:show(ConfirmBox:new{
|
|
text = T(_("Auto frontlight detects the brightness of the environment and automatically turn on and off the frontlight.\nFrontlight will be turned off to save battery in bright environment, and turned on in dark environment.\nDo you want to %1 it?"),
|
|
AutoFrontlight.enabled and _("disable") or _("enable")),
|
|
ok_text = AutoFrontlight.enabled and _("Disable") or _("Enable"),
|
|
ok_callback = function()
|
|
self:flipSetting()
|
|
touchmenu_instance:updateItems()
|
|
end
|
|
})
|
|
end,
|
|
checked_func = function() return AutoFrontlight.enabled end,
|
|
}
|
|
end
|
|
|
|
function AutoFrontlightWidget:onFlushSettings()
|
|
AutoFrontlight:onFlushSettings()
|
|
end
|
|
|
|
return AutoFrontlightWidget
|