Games for mobile phones, handheld devices, and laptops often show a battery indicator and/or a clock in the corner of the screen while running in fullscreen mode. That's the only good reason I can think of off-hand.
On 3 August 2015 at 12:55, Chris Peterson <cpeter...@mozilla.com> wrote: > What is a legitimate use case for a web page to know my battery status? > Battery level and time remaining can be used to fingerprint users. > > A mobile webapp might use battery level to throttle its activity, but that > could be something the OS handles by pausing or throttling apps directly or > broadcasting app lifecycle events. I can't think of a good reason why a web > page in a browser, especially on a desktop OS, needs to know anything about > my battery. > > http://www.theguardian.com/technology/2015/aug/03/privacy-smartphones-battery-life > > http://eprint.iacr.org/2015/616.pdf > > > chris > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
