Re: [sensors] Define tasks for state changes

> Example 1:
> Sensor is active and update reading is queued, then error occurs and page loses visibility.
> Now we have 3 tasks in queue [update sensor reading, onerror, state change to idle].

Page looses visibility is not going to queue anything afaik.

> Should we process queue

Yes.

> and don’t allow new tasks to be added from sensor?

Not sure what you mean by that, but the sensor can continue adding new tasks (for example if it's re-started).

> Should we 'suspend' tasks and wait when page gains visibility and then process tasks?

No, they're queued and can be processed right away.

> Example 2:
> Sensor is is active, update sensor reading scheduled, then stop is called.
> Two tasks in queue [update sensor reading, change state to idle]
> Should we cancel queued update?

No.

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Received on Tuesday, 30 May 2017 23:29:58 UTC