[Kimchi-devel] [RFC] Move some error messages and notifications to Notifications API

[Samuel Henrique De Oliveira Guimaraes]

I think we should always provide a fallback in cases we use a feature that is not supported by one of our targeted browsers. I don't see mobile Safari implementing this anytime soon because when you switch to a different app it stops any asynchronous task running. I think for Android it won't work with the default browser, only with Chrome or with applications running in the WebView.

Samuel

From: Aline Manera [mailto:alinefm at linux.vnet.ibm.com]
Sent: quarta-feira, 8 de junho de 2016 16:54
To: Samuel Henrique De Oliveira Guimaraes <samuel.guimaraes at eldorado.org.br>; Kimchi Devel <kimchi-devel at ovirt.org>
Subject: Re: [Kimchi-devel] [RFC] Move some error messages and notifications to Notifications API


Hi Samuel,

Yeap! I agree it would be really good to have.
My only concerned is about browser support. From what I could see, the major problem will be with mobile browsers as no one seems to support it.

I'd say to implement that as an alternative and make sure the code will be safer enough to do not break anything while running on a browser that does not have Notifications support. And that case, from browser without Notifications support, what would be the default behavior? How is it today?

Regards,
Aline Manera
On 06/03/2016 08:13 AM, Samuel Henrique De Oliveira Guimaraes wrote:
I'm investigating a problem when uploading volumes to Storage Pools and switching tabs and I was thinking that some messages should be available no matter which tab the user is currently on. For instance, If I'm cloning or migrating a guest, uploading a volume or copying a volume from a remote host etc. and switch tabs, I should know if the task failed without having to switch back to the tab I started this action. Currently we have to do this because only when the browser goes through a function that lists the ongoing tasks inside these tabs that it will receive the error messages. However, if I have a modal window opened, it wouldn't make sense to show a message that has a different context from this opened window.
I think that a good solution for this problem would be Notification API for browsers that already support it:

https://developer.mozilla.org/en-US/docs/Web/API/notification

Support is relatively good:

http://caniuse.com/#search=notifications

Thanks,
Samuel





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