BFCache is never used when plugin active

[cuchac]

Hello,
I'm using this plugin for many years in all my Firefox installations and I love it!

Lately I was experimenting with bfcache support for webpage we develop and I was not able to make bfcache work in Firefox. Chrome/Safari was working well.

After many hours of debugging I've found that FoxyGestures are the cause. When plugin is deactivated, bfcache started to work and many web pages suddenly become so much faster to browse.

The problem is this unload event handler that disables bfcache:

foxygestures/src/content/mouseEvents.js

Line 122 in 913dc95

window.addEventListener('unload', onUnload);

Do you think it is possible to change this to onbeforeunload? Or use pagehide event? It is recommended solution.

These are explanations of bfcache and its benefits/limitations:
https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/1.5/Using_Firefox_1.5_caching
https://web.dev/articles/bfcache