touch-packages team mailing list archive

[Alexandros Frantzis <alexandros.frantzis@xxxxxxxxxxxxx>]

@ken-vandine
> If we don't want to set dim-timeout separately, and remain relative to activity-timeout,
> we should drop the setting completely and ubuntu-system-compositor should dim the
> screen on activity-timeout - 10
@ogra
> this is still not properly fixed, can we eventually get a fix inside u-s-c please ...

USC was designed to offer a setInactivityTimeouts(poweroff, dim)
interface for maximum flexibility, and also so that it could provide
only mechanism, not enforce policy. We believe USC shouldn't hardcode
policy like "dim timeout is 10 seconds before power-off timeout".
Perhaps there needs to be a central place to handle power management
policy, but USC shouldn't be it.

This debate is yet another effect of this bug:
https://bugs.launchpad.net/unity-system-compositor/+bug/1444042.

> a) if you dont switch the time (i.e. before the OTA with the fix you have set your lock timeout to 10min)
> it will use 50sec hardocded after OTA

I don't understand this statement, which probably means I missing some
background info here...

> b) if you set your device to "never" where you likely want to use the GPS while driving, the dim value
> defaults to 50sec which most likely can even risk your life while tapping madly on teh screen to see where
> you are going with your GPS ...

>From a quick look at the requests that USC receives when changing the
lock timeout from the UI, this seems to be an effect of the code that
sets the timeouts in ubuntu-system-settings. In particular, when
selecting "Never" in the UI, USC receives (-1 means don't change):

set_inactivity_timeouts(0, -1) // set power-off timeout to 0s (disable)
set_inactivity_timeouts(-1, 50) // set dim timeout to 50s

i.e.. we get an explicit request to set the dim timeout to 50 seconds,
whereas we should get a request to disable it (set it to 0).

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to unity-system-compositor in
Ubuntu.
https://bugs.launchpad.net/bugs/1437510

Title:
  Screen dim is not following the lock screen timeout (always dimming
  after 50 seconds)

Status in Canonical System Image:
  Fix Released
Status in Unity System Compositor:
  Confirmed
Status in ubuntu-system-settings package in Ubuntu:
  Fix Released
Status in unity-system-compositor package in Ubuntu:
  Confirmed
Status in ubuntu-system-settings source package in Vivid:
  Fix Committed
Status in unity-system-compositor package in Ubuntu RTM:
  Confirmed

Bug description:
  current build number: 258
  device name: krillin
  channel: ubuntu-touch/ubuntu-rtm/14.09-proposed
  last update: 2015-03-26 16:39:52
  version version: 258
  version ubuntu: 20150326
  version device: 20150310-3201c0a
  version custom: 20150216-561-29-186

  Go to system settings, security, lock when idle, and change to any
  value higher than 1 minute. Now wait and you will see that the screen
  will dim after 50 seconds, no matter what value you set.

  The screen should only dim 10 seconds before reaching the screen lock
  value.

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