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--[[--
Network setting widget.
Example:
local network_list = {
{
ssid = "foo",
signal_level = -58,
flags = "[WPA2-PSK-CCMP][ESS]",
signal_quality = 84,
password = "123abc",
connected = true,
},
{
ssid = "bar",
signal_level = -258,
signal_quality = 44,
flags = "[WEP][ESS]",
},
}
UIManager:show(require("ui/widget/networksetting"):new{
network_list = network_list,
connect_callback = function()
-- connect_callback will be called when an connect/disconnect
-- attempt has been made. you can update UI widgets in the
-- callback.
end,
})
]]
local bit = require("bit")
local Blitbuffer = require("ffi/blitbuffer")
local CenterContainer = require("ui/widget/container/centercontainer")
local Device = require("device")
local Font = require("ui/font")
local Geom = require("ui/geometry")
local FrameContainer = require("ui/widget/container/framecontainer")
local GestureRange = require("ui/gesturerange")
local HorizontalGroup = require("ui/widget/horizontalgroup")
local HorizontalSpan = require("ui/widget/horizontalspan")
local ImageWidget = require("ui/widget/imagewidget")
local InfoMessage = require("ui/widget/infomessage")
local InputContainer = require("ui/widget/container/inputcontainer")
local InputDialog = require("ui/widget/inputdialog")
local LeftContainer = require("ui/widget/container/leftcontainer")
local ListView = require("ui/widget/listview")
local RightContainer = require("ui/widget/container/rightcontainer")
local NetworkMgr = require("ui/network/manager")
local OverlapGroup = require("ui/widget/overlapgroup")
local Size = require("ui/size")
local TextWidget = require("ui/widget/textwidget")
local UIManager = require("ui/uimanager")
local VerticalGroup = require("ui/widget/verticalgroup")
local Widget = require("ui/widget/widget")
local _ = require("gettext")
local T = require("ffi/util").template
local Screen = Device.screen
local band = bit.band
local function obtainIP()
-- TODO: check for DHCP result
local info = InfoMessage:new{text = _("Obtaining IP address…")}
UIManager:show(info)
UIManager:forceRePaint()
NetworkMgr:obtainIP()
UIManager:close(info)
end
local MinimalPaginator = Widget:new{
width = nil,
height = nil,
progress = nil,
}
function MinimalPaginator:getSize()
return Geom:new{w = self.width, h = self.height}
end
function MinimalPaginator:paintTo(bb, x, y)
self.dimen = self:getSize()
self.dimen.x, self.dimen.y = x, y
-- paint background
bb:paintRoundedRect(x, y,
self.dimen.w, self.dimen.h,
Blitbuffer.COLOR_LIGHT_GRAY)
-- paint percentage infill
bb:paintRect(x, y,
math.ceil(self.dimen.w*self.progress), self.dimen.h,
Blitbuffer.COLOR_DARK_GRAY)
end
function MinimalPaginator:setProgress(progress) self.progress = progress end
local NetworkItem = InputContainer:new{
dimen = nil,
height = Screen:scaleBySize(44),
width = nil,
info = nil,
background = Blitbuffer.COLOR_WHITE,
}
function NetworkItem:init()
self.dimen = Geom:new{w = self.width, h = self.height}
if not self.info.ssid then
self.info.ssid = "[hidden]"
end
local wifi_icon_path
if string.find(self.info.flags, "WPA") then
wifi_icon_path = "resources/icons/koicon.wifi.secure.%d.medium.png"
else
wifi_icon_path = "resources/icons/koicon.wifi.open.%d.medium.png"
end
if self.info.signal_quality == 0 or self.info.signal_quality == 100 then
wifi_icon_path = string.format(wifi_icon_path, self.info.signal_quality)
else
wifi_icon_path = string.format(
wifi_icon_path,
self.info.signal_quality + 25 - self.info.signal_quality % 25)
end
local horizontal_space = HorizontalSpan:new{width = Size.span.horizontal_default}
self.content_container = OverlapGroup:new{
dimen = self.dimen:copy(),
LeftContainer:new{
dimen = self.dimen:copy(),
HorizontalGroup:new{
horizontal_space,
ImageWidget:new{
alpha = true,
file = wifi_icon_path,
},
horizontal_space,
TextWidget:new{
text = self.info.ssid,
face = Font:getFace("cfont"),
},
},
}
}
self.btn_disconnect = nil
self.btn_edit_nw = nil
if self.info.connected then
self.btn_disconnect = FrameContainer:new{
bordersize = 0,
padding = 0,
TextWidget:new{
text = _("disconnect"),
face = Font:getFace("cfont"),
}
}
table.insert(self.content_container, RightContainer:new{
dimen = self.dimen:copy(),
HorizontalGroup:new{
self.btn_disconnect,
horizontal_space,
}
})
self.setting_ui:setConnectedItem(self)
elseif self.info.password then
self.btn_edit_nw = FrameContainer:new{
bordersize = 0,
padding = 0,
TextWidget:new{
text = _("edit"),
face = Font:getFace("cfont"),
}
}
table.insert(self.content_container, RightContainer:new{
dimen = self.dimen:copy(),
HorizontalGroup:new{
self.btn_edit_nw,
horizontal_space,
}
})
end
self[1] = FrameContainer:new{
padding = 0,
margin = 0,
background = self.background,
bordersize = 0,
width = self.width,
self.content_container,
}
if Device:isTouchDevice() then
self.ges_events = {
TapSelect = {
GestureRange:new{
ges = "tap",
range = self.dimen,
}
}
}
end
end
function NetworkItem:refresh()
self:init()
UIManager:setDirty(self.setting_ui, function() return "ui", self.dimen end)
end
function NetworkItem:connect()
local connected_item = self.setting_ui:getConnectedItem()
if connected_item then connected_item:disconnect() end
local success, err_msg = NetworkMgr:authenticateNetwork(self.info)
local text
if success then
obtainIP()
self.info.connected = true
self.setting_ui:setConnectedItem(self)
text = _("Connected.")
else
text = err_msg
end
if self.setting_ui.connect_callback then
self.setting_ui.connect_callback()
end
self:refresh()
UIManager:show(InfoMessage:new{text = text, timeout = 3})
end
function NetworkItem:disconnect()
local info = InfoMessage:new{text = _("Disconnecting…")}
UIManager:show(info)
UIManager:forceRePaint()
NetworkMgr:disconnectNetwork(self.info)
NetworkMgr:releaseIP()
UIManager:close(info)
self.info.connected = nil
self:refresh()
self.setting_ui:setConnectedItem(nil)
if self.setting_ui.connect_callback then
self.setting_ui.connect_callback()
end
end
function NetworkItem:saveAndConnectToNetwork(password_input)
local new_passwd = password_input:getInputText()
if new_passwd == nil or string.len(new_passwd) == 0 then
UIManager:show(InfoMessage:new{
text = _("Password cannot be empty."),
})
else
if new_passwd ~= self.info.password then
self.info.password = new_passwd
self.info.psk = nil
NetworkMgr:saveNetwork(self.info)
end
self:connect()
end
UIManager:close(password_input)
end
function NetworkItem:onEditNetwork()
local password_input
password_input = InputDialog:new{
title = self.info.ssid,
input = self.info.password,
input_hint = "password",
input_type = "text",
text_type = "password",
buttons = {
{
{
text = _("Cancel"),
callback = function()
UIManager:close(password_input)
end,
},
{
text = _("Forget"),
callback = function()
NetworkMgr:deleteNetwork(self.info)
self.info.password = nil
-- remove edit button
table.remove(self.content_container, 2)
UIManager:close(password_input)
self:refresh()
end,
},
{
text = _("Connect"),
is_enter_default = true,
callback = function()
self:saveAndConnectToNetwork(password_input)
end,
},
},
},
}
UIManager:show(password_input)
password_input:onShowKeyboard()
return true
end
function NetworkItem:onAddNetwork()
local password_input
password_input = InputDialog:new{
title = self.info.ssid,
input = "",
input_hint = "password",
input_type = "text",
text_type = "password",
buttons = {
{
{
text = _("Cancel"),
callback = function()
UIManager:close(password_input)
end,
},
{
text = _("Connect"),
is_enter_default = true,
callback = function()
self:saveAndConnectToNetwork(password_input)
end,
},
},
},
}
UIManager:show(password_input)
password_input:onShowKeyboard()
return true
end
function NetworkItem:onTapSelect(arg, ges_ev)
if not string.find(self.info.flags, "WPA") then
UIManager:show(InfoMessage:new{
text = _("Networks without WPA/WPA2 encryption are not supported.")
})
return
end
if self.btn_disconnect then
-- noop if touch is not on disconnect button
if ges_ev.pos:intersectWith(self.btn_disconnect.dimen) then
self:disconnect()
end
elseif self.info.password then
if self.btn_edit_nw and ges_ev.pos:intersectWith(self.btn_edit_nw.dimen) then
self:onEditNetwork()
else
self:connect()
end
else
self:onAddNetwork()
end
return true
end
local NetworkSetting = InputContainer:new{
width = nil,
height = nil,
-- sample network_list entry: {
-- bssid = "any",
-- ssid = "foo",
-- signal_level = -58,
-- signal_quality = 84,
-- frequency = 5660,
-- flags = "[WPA2-PSK-CCMP][ESS]",
-- }
network_list = nil,
connect_callback = nil,
}
function NetworkSetting:init()
self.width = self.width or Screen:getWidth() - Screen:scaleBySize(50)
self.width = math.min(self.width, Screen:scaleBySize(600))
local gray_bg = Blitbuffer.COLOR_GRAY_E
local items = {}
table.sort(self.network_list,
function(l, r) return l.signal_quality > r.signal_quality end)
for idx, network in ipairs(self.network_list) do
local bg
if band(idx, 1) == 0 then
bg = gray_bg
else
bg = Blitbuffer.COLOR_WHITE
end
table.insert(items, NetworkItem:new{
width = self.width,
info = network,
background = bg,
setting_ui = self,
})
end
self.status_text = TextWidget:new{
text = "",
face = Font:getFace("ffont"),
}
self.page_text = TextWidget:new{
text = "",
face = Font:getFace("ffont"),
}
self.pagination = MinimalPaginator:new{
width = self.width,
height = Screen:scaleBySize(8),
percentage = 0,
progress = 0,
}
self.height = self.height or math.min(Screen:getHeight()*3/4,
Screen:scaleBySize(800))
self.popup = FrameContainer:new{
background = Blitbuffer.COLOR_WHITE,
padding = 0,
bordersize = Size.border.window,
VerticalGroup:new{
align = "left",
self.pagination,
ListView:new{
padding = 0,
items = items,
width = self.width,
height = self.height-self.pagination:getSize().h,
page_update_cb = function(curr_page, total_pages)
self.pagination:setProgress(curr_page/total_pages)
-- self.page_text:setText(curr_page .. "/" .. total_pages)
UIManager:setDirty(self, function()
return "ui", self.dimen
end)
end
},
},
}
self[1] = CenterContainer:new{
dimen = {w = Screen:getWidth(), h = Screen:getHeight()},
self.popup,
}
if Device:isTouchDevice() then
self.ges_events.TapClose = {
GestureRange:new{
ges = "tap",
range = Geom:new{
x = 0, y = 0,
w = Screen:getWidth(),
h = Screen:getHeight(),
}
}
}
end
UIManager:nextTick(function()
local connected_item = self:getConnectedItem()
if connected_item ~= nil then
obtainIP()
if G_reader_settings:nilOrTrue("auto_dismiss_wifi_scan") then
UIManager:close(self, 'ui', self.dimen)
end
UIManager:show(InfoMessage:new{
text = T(_("Connected to network %1"), connected_item.info.ssid)
})
if self.connect_callback then
self.connect_callback()
end
end
end)
end
function NetworkSetting:setConnectedItem(item)
self.connected_item = item
end
function NetworkSetting:getConnectedItem()
return self.connected_item
end
function NetworkSetting:onTapClose(arg, ges_ev)
if ges_ev.pos:notIntersectWith(self.popup.dimen) then
UIManager:close(self)
return true
end
end
return NetworkSetting