Incorrect Battery Icon on a battery-less computer when wireless mouse plugged in.

[PowerSnail]

Prerequisites

• I have searched open and closed issues for duplicates.

Describe the bug

Battery icon shows 3/4, when the desktop PC does not have a battery.

See screenshot.

To Reproduce

Steps to reproduce the behavior:

1. Prepare a desktop PC with no battery
2. Connect a wireless mouse (with battery)
3. Battery icon of 3/4 charge will appear in topbar

Expected behavior

A more sensible icon: an AC power icon, a wire icon, etc. shows in place of the battery icon.

Screenshots or screen recordings

Logs

NA

Platform Information

• I'm using the latest version from git that I've manually compiled
• I'm using the latest released stable version

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[cassidyjames]

@PowerSnail I think the idea is that the indicator shows you the battery level of the connected device, so you can see it at a glance? It doesn't make much sense to just show the ac adapter icon, which isn't really indicating anything and would require a click to see the connected device's battery level.

[PowerSnail]

First, it's not showing the battery level of the connected device. (You can see in the screenshot that my mouse was 100%, not 75%)

Second, I feel that it's an inconsistency if the icon refers to peripheral battery level when no computer battery is detected, but shows computer battery otherwise. Especially if one uses both a desktop and a laptop, it would be a little off-putting.

Third, if it were to show peripheral battery level, which peripheral is it? The user would need to open the panel to tell, anyway.

[fabiozaramella]

@cassidyjames I agree with @PowerSnail
In my case using elementary on a Tower PC feels weird to show a battery indicator (without indicating the actual device unless you open the indicator anyway) when using a PC which only uses AC