Aaron Bohy
82fd8e7025
In form views, when the user closes the tab while having unsaved changes, and if those changes are valid, we want to save them automatically before leaving. Before this commit, there could be situations where the changes weren't actually saved. For instance, if they involved an heavy payload for the write rpc, or if the network connection was poor, it might happen that the xhr is killed. Or at least, browsers do not offer any guarantee to wait for those xhr to reach the server. Instead of a classical xhr, we thus use navigator.sendBeacon which ensures that the data will be sent reliably [1]. There's a drawback though, as its payload is limited. When the payload is too heavy, sendBeacon simply returns false and does nothing. In this case, we prevent the page from unloading and display a notification suggesting the user to manually save his changes before leaving. [1] https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon Task 3537838 closes odoo/odoo#151834 X-original-commit: 0b53daa60ee5b370def21c8e0e30a6819597a0e4 Related: odoo/enterprise#55457 Signed-off-by: Francois Georis (fge) <fge@odoo.com>
Odoo
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