[Koha-bugs] [Bug 19637] jsPrintSetup not supported in Firefox Quantum

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=19637

--- Comment #3 from Mike <black23 at gmail.com> ---
Hello,
Firefox stop print without customer permission. It's look like end of silent
printing in Firefox.

---Snip---
"Just to be clear, the goal of WebExtensions is an API in a web browser to
improve users interaction with web content. Supporting POS systems is not part
of the goal for WebExtensions. Every feature we add has a cost on Mozilla in
terms of development and maintenance so we evaluate each API. There are some
improvements that around printing that have landed and perhaps there's a couple
of APIs that could be split out from that bug.

If you want to provide more sophisticated printing solutions or support POS
systems, you might need to find a different solution other than Firefox. You
can pass data through the nativeMessaging API which can do the printing for
you, as an example.

For the moment, we'll close the comments on this bug as it's currently not
being productive."
Source: https://bugzilla.mozilla.org/show_bug.cgi?id=1385827
---End snip---

So, now we can start debate about long time solution. Maybe outside Firefox or
based on Firefox about:config setiings for smooth printing from Koha with
printing dialog.

WebUSB API can be solution, for many USB POS printers, but it's partially
implemented in Chrome not in Firefox.
https://wicg.github.io/webusb/#introduction

But it brings too much questions about security how describe this article
https://wicg.github.io/webusb/#security-and-privacy. Firefox decide cut off JS
driven printing due security reasons.

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