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https://github.com/koreader/koreader
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45a4aac3d3
Re: https://github.com/koreader/koreader/issues/9806#issuecomment-1416827447 Depends on https://github.com/koreader/koreader-base/pull/1576 Includes assorted cosmetics tweaks related to duplicate `setDirty` calls when instantiating widgets that already have an `onShow` handler doing it. (I left widgets doing it in `update` instead of `init` alone, on the assumption that callers *may* be relying on that behavior when updating widgets at runtime. This might actually never matter, and it certainly didn't for ScreenSaverWidget, which is why I removed it from there ;p).
117 lines
3.7 KiB
Lua
117 lines
3.7 KiB
Lua
local Device = require("device")
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local Event = require("ui/event")
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local Geom = require("ui/geometry")
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local GestureRange = require("ui/gesturerange")
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local FrameContainer = require("ui/widget/container/framecontainer")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local UIManager = require("ui/uimanager")
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local _ = require("gettext")
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local Screen = Device.screen
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local ScreenSaverWidget = InputContainer:extend{
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name = "ScreenSaver",
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widget = nil,
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background = nil,
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}
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function ScreenSaverWidget:init()
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if Device:hasKeys() then
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self.key_events.AnyKeyPressed = { { Device.input.group.Any } }
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end
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if Device:isTouchDevice() then
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local range = Geom:new{
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x = 0, y = 0,
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w = Screen:getWidth(),
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h = Screen:getHeight(),
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}
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self.ges_events.Tap = { GestureRange:new{ ges = "tap", range = range } }
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end
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self:update()
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end
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function ScreenSaverWidget:update()
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self.height = Screen:getHeight()
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self.width = Screen:getWidth()
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self.region = Geom:new{
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x = 0, y = 0,
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w = self.width,
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h = self.height,
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}
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self.main_frame = FrameContainer:new{
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radius = 0,
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bordersize = 0,
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padding = 0,
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margin = 0,
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background = self.background,
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width = self.width,
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height = self.height,
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self.widget,
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}
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self.dithered = true
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self[1] = self.main_frame
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end
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function ScreenSaverWidget:onShow()
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UIManager:setDirty(self, function()
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return "full", self.main_frame.dimen
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end)
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return true
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end
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function ScreenSaverWidget:onTap(_, ges)
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if ges.pos:intersectWith(self.main_frame.dimen) then
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self:onClose()
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end
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return true
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end
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function ScreenSaverWidget:onClose()
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-- If we happened to shortcut a delayed close via user input, unschedule it to avoid a spurious refresh.
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local Screensaver = require("ui/screensaver")
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if Screensaver.delayed_close then
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UIManager:unschedule(Screensaver.close_widget)
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end
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UIManager:close(self)
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return true
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end
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ScreenSaverWidget.onAnyKeyPressed = ScreenSaverWidget.onClose
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ScreenSaverWidget.onExitScreensaver = ScreenSaverWidget.onClose
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function ScreenSaverWidget:onCloseWidget()
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-- Restore to previous rotation mode, if need be.
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if Device.orig_rotation_mode then
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Screen:setRotationMode(Device.orig_rotation_mode)
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Device.orig_rotation_mode = nil
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end
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-- Make it full-screen (self.main_frame.dimen might be in a different orientation, and it's already full-screen anyway...)
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UIManager:setDirty(nil, function()
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return "full"
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end)
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-- Will come after the Resume event, iff screensaver_delay is set.
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-- Comes *before* it otherwise.
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UIManager:broadcastEvent(Event:new("OutOfScreenSaver"))
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-- NOTE: ScreenSaver itself is neither a Widget nor an instantiated object, so make sure we cleanup behind us...
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local Screensaver = require("ui/screensaver")
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Screensaver:cleanup()
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end
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function ScreenSaverWidget:onResume()
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-- If we actually catch this event, it means screensaver_delay is set.
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-- Tell Device about it, so that further power button presses while we're still shown send us back to suspend.
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-- NOTE: This only affects devices where we handle Power events ourselves (i.e., rely on Device -> Generic's onPowerEvent),
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-- and it *always* implies that Device.screen_saver_mode is true.
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Device.screen_saver_lock = true
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end
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function ScreenSaverWidget:onSuspend()
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-- Also flip this back on suspend, in case we suspend again on a delayed screensaver (e.g., via SleepCover or AutoSuspend).
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Device.screen_saver_lock = false
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end
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return ScreenSaverWidget
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