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cache battery level in BasePowerD

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Since we need to pull it frequently but usually it doesn't change
that often.
This commit is contained in:
chrox
2014-01-04 22:15:23 +08:00
parent 92b62c907a
commit 4d1df962f5
1 changed files with 11 additions and 2 deletions
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13
frontend/ui/device/basepowerd.lua
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@@ -3,7 +3,10 @@ local BasePowerD = {
fl_max = 10, -- max frontlight intensity
flIntensity = nil, -- frontlight intensity
battCapacity = nil, -- battery capacity
model = nil -- device model
model = nil, -- device model
capacity_pulled_count = 0,
capacity_cached_count = 10,
}
function BasePowerD:new(o)
@@ -37,7 +40,13 @@ function BasePowerD:setIntensity(intensity)
end
function BasePowerD:getCapacity()
return self:getCapacityHW()
if capacity_pulled_count == capacity_cached_count then
capacity_pulled_count = 0
return self:getCapacityHW()
else
capacity_pulled_count = capacity_pulled_count + 1
return self.battCapacity or self:getCapacityHW()
end
end
function BasePowerD:isCharging()