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17356bbb2a
And only actually flesh it out and register it in the very few cases where it can actually do something (i.e., old FW 5.x with KPV).
83 lines
2.7 KiB
Lua
83 lines
2.7 KiB
Lua
-- Start with a empty stub, because 99.9% of users won't actually need this.
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local ReaderActivityIndicator = {}
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function ReaderActivityIndicator:isStub() return true end
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function ReaderActivityIndicator:init() end
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function ReaderActivityIndicator:onStartActivityIndicator() end
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function ReaderActivityIndicator:onStopActivityIndicator() end
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function ReaderActivityIndicator:coda() end
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-- Now, if we're on Kindle, and we haven't actually murdered Pillow, see what we can do...
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local Device = require("device")
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if Device:isKindle() then
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if os.getenv("PILLOW_HARD_DISABLED") or os.getenv("PILLOW_SOFT_DISABLED") then
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-- Pillow is dead, bye!
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return ReaderActivityIndicator
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end
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if not Device:isTouchDevice() then
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-- No lipc, bye!
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return ReaderActivityIndicator
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end
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else
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-- Not on Kindle, bye!
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return ReaderActivityIndicator
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end
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-- Okay, if we're here, it's basically because we're running on a Kindle on FW 5.x under KPV
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local EventListener = require("ui/widget/eventlistener")
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local util = require("ffi/util")
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-- lipc
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function ReaderActivityIndicator:isStub() return false end
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ReaderActivityIndicator = EventListener:new{}
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function ReaderActivityIndicator:init()
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if (pcall(require, "liblipclua")) then
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self.lipc_handle = lipc.init("com.github.koreader.activityindicator")
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end
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end
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function ReaderActivityIndicator:onStartActivityIndicator()
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if self.lipc_handle then
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-- check if activity indicator is needed
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if self.document.configurable.text_wrap == 1 then
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-- start indicator depends on pillow being enabled
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self.lipc_handle:set_string_property(
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"com.lab126.pillow", "activityIndicator",
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'{"activityIndicator":{ \
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"action":"start","timeout":10000, \
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"clientId":"com.github.koreader.activityindicator", \
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"priority":true}}')
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self.indicator_started = true
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end
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end
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return true
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end
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function ReaderActivityIndicator:onStopActivityIndicator()
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if self.lipc_handle and self.indicator_started then
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-- stop indicator depends on pillow being enabled
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self.lipc_handle:set_string_property(
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"com.lab126.pillow", "activityIndicator",
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'{"activityIndicator":{ \
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"action":"stop","timeout":10000, \
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"clientId":"com.github.koreader.activityindicator", \
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"priority":true}}')
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self.indicator_started = false
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util.usleep(1000000)
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end
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return true
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end
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function ReaderActivityIndicator:coda()
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if self.lipc_handle then
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self.lipc_handle:close()
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end
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end
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return ReaderActivityIndicator
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