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koreader/frontend/apps/reader/modules/readeractivityindicator.lua
yparitcher b2b9b49859 ReaderActivityIndicator: fix isStub()
it was being overridden by the EventListener:new

caused by #7002

c.f. https://www.mobileread.com/forums/showthread.php?t=335886
2020-12-23 23:49:53 -05:00

83 lines
2.7 KiB
Lua

-- Start with a empty stub, because 99.9% of users won't actually need this.
local ReaderActivityIndicator = {}
function ReaderActivityIndicator:isStub() return true end
function ReaderActivityIndicator:init() end
function ReaderActivityIndicator:onStartActivityIndicator() end
function ReaderActivityIndicator:onStopActivityIndicator() end
function ReaderActivityIndicator:coda() end
-- Now, if we're on Kindle, and we haven't actually murdered Pillow, see what we can do...
local Device = require("device")
if Device:isKindle() then
if os.getenv("PILLOW_HARD_DISABLED") or os.getenv("PILLOW_SOFT_DISABLED") then
-- Pillow is dead, bye!
return ReaderActivityIndicator
end
if not Device:isTouchDevice() then
-- No lipc, bye!
return ReaderActivityIndicator
end
else
-- Not on Kindle, bye!
return ReaderActivityIndicator
end
-- Okay, if we're here, it's basically because we're running on a Kindle on FW 5.x under KPV
local EventListener = require("ui/widget/eventlistener")
local util = require("ffi/util")
-- lipc
ReaderActivityIndicator = EventListener:new{}
function ReaderActivityIndicator:isStub() return false end
function ReaderActivityIndicator:init()
if (pcall(require, "liblipclua")) then
self.lipc_handle = lipc.init("com.github.koreader.activityindicator")
end
end
function ReaderActivityIndicator:onStartActivityIndicator()
if self.lipc_handle then
-- check if activity indicator is needed
if self.document.configurable.text_wrap == 1 then
-- start indicator depends on pillow being enabled
self.lipc_handle:set_string_property(
"com.lab126.pillow", "activityIndicator",
'{"activityIndicator":{ \
"action":"start","timeout":10000, \
"clientId":"com.github.koreader.activityindicator", \
"priority":true}}')
self.indicator_started = true
end
end
return true
end
function ReaderActivityIndicator:onStopActivityIndicator()
if self.lipc_handle and self.indicator_started then
-- stop indicator depends on pillow being enabled
self.lipc_handle:set_string_property(
"com.lab126.pillow", "activityIndicator",
'{"activityIndicator":{ \
"action":"stop","timeout":10000, \
"clientId":"com.github.koreader.activityindicator", \
"priority":true}}')
self.indicator_started = false
util.usleep(1000000)
end
return true
end
function ReaderActivityIndicator:coda()
if self.lipc_handle then
self.lipc_handle:close()
end
end
return ReaderActivityIndicator