[SailfishDevel] Flatpak for Sailfish

[E.S. Rosenberg]

No one is bothered by the serious (bad) security implications of running
flatpacks?
Though I guess we are all tolerating the claim to "security" on ancient
kernels so we have no right to blab about security now 🤔

Op za 28 dec. 2019 om 12:04 schreef rinigus <rinigus.git at gmail.com>:

> Hi,
>
> I am not 100% sure whether xdg-shell availability is the blocker. There is
> something going on which I cannot explain yet - its as if Wayland rendering
> disappears even when I use qxcomposer.
>
> qxcomposer does allow me to minimize and then restore. However, when
> keeping app minimized and switching to other apps, I do get (with
> WAYLAND_DEBUG=1)
>
> [2294832.935] wl_pointer at 8.motion(207667, 0.000000, 0.000000)
> [2299966.213] qt_extended_surface at 29.onscreen_visibility(1)
> [2303645.301] qt_extended_surface at 29.onscreen_visibility(0)
> [2303647.486]  -> wl_surface at 26.destroy()
> [2303648.296]  -> wl_buffer at 4278190080.destroy()
> [2303648.395]  -> wl_buffer at 4278190082.destroy()
> [2303648.448]  -> wl_buffer at 4278190081.destroy()
>
> and the app window disappears from qxcomposer.
>
> Same happens when running directly using SFOS composer:
>
> [2614530.331] qt_extended_surface at 29.onscreen_visibility(0)
> [2614552.802]  -> wl_surface at 26.destroy()
> [2614555.653]  -> wl_buffer at 4278190080.destroy()
> [2614556.795]  -> wl_buffer at 4278190082.destroy()
> [2614557.099]  -> wl_buffer at 4278190081.destroy()
>
> So, looks like the surface gets destroyed, but nothing really restores it.
>
> As such, some kind of wrapper, similar to qxcomposer, around Flatpak
> programs maybe handy. It could take few tasks, such as
>
> - follow orientation of the screen
> - restore app after wl_buffer.destroy()
> - provide keyboard support
>
> I don't know enough about Wayland to be efficient in working on it. So, I
> wonder if someone would like to step in and help with this part. If there
> is interest, I will work on packaging libhybris extension and provide an
> example at OBS for Xperia Tama devices.
>
> Cheers,
>
> Rinigus
>
> On Sat, Dec 28, 2019 at 12:54 AM Damien Caliste <dcaliste at free.fr> wrote:
>
>> Thank you Rinigus for all of this. Indeed, the current main blocker seems
>> to be the fact that xdg-shell is not available in Lipstick. This is linked
>> to the ancient version of QtWayland, even not 5.6, but still 5.4 ! They
>> already have a 5.9 branch in SailfishOS git (
>> https://git.sailfishos.org/mer-core/qtwayland/tree/mer-5.9), but we need
>> to wait for Jolla to make the Qt switch. I don't think it's something
>> community can change on device... I hope I can be proven wrong though.
>>
>> Damien.
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