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koreader/frontend/ui/widget/screensaverwidget.lua

109 lines
2.9 KiB
Lua

local Device = require("device")
local Event = require("ui/event")
local Geom = require("ui/geometry")
local GestureRange = require("ui/gesturerange")
local FrameContainer = require("ui/widget/container/framecontainer")
local InputContainer = require("ui/widget/container/inputcontainer")
local UIManager = require("ui/uimanager")
local Screen = Device.screen
local ScreenSaverWidget = InputContainer:new{
widget = nil,
background = nil,
}
function ScreenSaverWidget:init()
if Device:hasKeys() then
self.key_events = {
Close = { {Device.input.group.Back}, doc = "close widget" },
}
end
if Device:isTouchDevice() then
local range = Geom:new{
x = 0, y = 0,
w = Screen:getWidth(),
h = Screen:getHeight(),
}
self.ges_events = {
Tap = { GestureRange:new{ ges = "tap", range = range } },
}
end
self:update()
end
function ScreenSaverWidget:update()
self.height = Screen:getHeight()
self.width = Screen:getWidth()
self.region = Geom:new{
x = 0, y = 0,
w = self.width,
h = self.height,
}
self.main_frame = FrameContainer:new{
radius = 0,
bordersize = 0,
padding = 0,
margin = 0,
background = self.background,
width = self.width,
height = self.height,
self.widget,
}
self.dithered = true
self[1] = self.main_frame
UIManager:setDirty(self, function()
return "full", self.main_frame.dimen
end)
end
function ScreenSaverWidget:onShow()
UIManager:setDirty(self, function()
return "full", self.main_frame.dimen
end)
return true
end
function ScreenSaverWidget:onTap(_, ges)
if ges.pos:intersectWith(self.main_frame.dimen) then
self:onClose()
end
return true
end
function ScreenSaverWidget:onClose()
-- If we happened to shortcut a delayed close via user input, unschedule it to avoid a spurious refresh.
local Screensaver = require("ui/screensaver")
if Screensaver.delayed_close then
UIManager:unschedule(Screensaver.close_widget)
Screensaver.delayed_close = nil
end
UIManager:close(self)
return true
end
function ScreenSaverWidget:onAnyKeyPressed()
self:onClose()
return true
end
function ScreenSaverWidget:onCloseWidget()
-- Restore to previous rotation mode, if need be.
if Device.orig_rotation_mode then
Screen:setRotationMode(Device.orig_rotation_mode)
Device.orig_rotation_mode = nil
end
-- Make it full-screen (self.main_frame.dimen might be in a different orientation, and it's already full-screen anyway...)
UIManager:setDirty(nil, function()
return "full"
end)
-- Will come after the Resume event, iff screensaver_delay is set.
-- Comes *before* it otherwise.
UIManager:broadcastEvent(Event:new("OutOfScreenSaver"))
end
return ScreenSaverWidget