[Sugar-devel] Web activities on XO-4

[Erik Blankinship]

Map-2.xo (or thereabouts) had a web server built in.  I don't remember the
specifics, but if someone can dig up the code there might be some ideas in
there.  I recall Dan Williams was helpful in drafting a script for finding
the best available port per activity instance.


On Wed, Sep 18, 2013 at 8:12 PM, Manuel Quiñones <manuq at laptop.org> wrote:

> Yeah, a web server is how this issue is usually overcome.  I was
> expecting a proper way but seems that only webkit2 has one, the
> register_uri_scheme .
>
> 2013/9/18 Gonzalo Odiard <gonzalo at laptop.org>:
> > Ok. Thanks.
> > The web server need have something special or just serve a directory is
> > enough?
> >
> > Gonzalo
> >
> >
> > On Wed, Sep 18, 2013 at 6:22 PM, Daniel Narvaez <dwnarvaez at gmail.com>
> wrote:
> >>
> >> Well, there are several html features which depend on each activity
> having
> >> their own origin, for example local storage.
> >>
> >>
> >> On Wednesday, 18 September 2013, Gonzalo Odiard wrote:
> >>>
> >>> No, why is needed use a local web server instead of
> >>>  the use of the proposed solution (use
> >>> 'enable-file-access-from-file-uris' )
> >>>
> >>> Gonzalo
> >>>
> >>>
> >>> On Wed, Sep 18, 2013 at 6:06 PM, Daniel Narvaez <dwnarvaez at gmail.com>
> >>> wrote:
> >>>>
> >>>> You mean why the http server would be a problem?
> >>>>
> >>>>
> >>>> On Wednesday, 18 September 2013, Gonzalo Odiard wrote:
> >>>>>
> >>>>> This is for the potential security risk of opening files outside of
> the
> >>>>> activity directory,
> >>>>> or because can be a problem with different activities running at the
> >>>>> same time
> >>>>> or multiple instances of the same activity?
> >>>>>
> >>>>> Gonzalo
> >>>>>
> >>>>>
> >>>>> On Wed, Sep 18, 2013 at 5:46 PM, Daniel Narvaez <dwnarvaez at gmail.com
> >
> >>>>> wrote:
> >>>>>>
> >>>>>> You could put an http server in the activity... Sucks but I'm not
> sure
> >>>>>> there is a better way :/
> >>>>>>
> >>>>>>
> >>>>>> On Wednesday, 18 September 2013, Manuel Quiñones wrote:
> >>>>>>>
> >>>>>>> I finally got web activities working on XO-4, in the AU build
> >>>>>>> published yesterday [1] .  I did it by modifying webactivities.py
> to
> >>>>>>> use WebKitGTK1 instead of v2.  The changes are:
> >>>>>>>
> >>>>>>>
> https://github.com/manuq/sugar-toolkit-gtk3-1/compare/webacts-webkit1
> >>>>>>>
> >>>>>>> I tried it with Gears Activity v3, and is working.  It stores the
> >>>>>>> data
> >>>>>>> and the metadata.  So it is communicating with the shell just fine.
> >>>>>>>
> >>>>>>> The touchscreen is not responding very well, at least in this
> >>>>>>> activity.  I can tap buttons, but I can barely drag to move a gear
> or
> >>>>>>> to draw one.  The dragging seems to be cancelled in the middle of
> the
> >>>>>>> action.  Mouse input works fine.
> >>>>>>>
> >>>>>>> Also as expected, the icons look small in the XO screen because I
> >>>>>>> need
> >>>>>>> to adapt the theme.  But that is an easy one, just changing the
> >>>>>>> CEL_SIZE variable in the LESS file to create another CSS for the XO
> >>>>>>> screen DPI, and adding a CSS media query selector to the HTML.
>  I'll
> >>>>>>> provide a patch to sugar-web-template and will update my web
> >>>>>>> activities.
> >>>>>>>
> >>>>>>> The inspector is not working, it does not display.  It shoud
> display
> >>>>>>> by Ctrl+Shift+I or by right-click -> "Inspect element".  There is
> no
> >>>>>>> error in the logs and the API is there [2], but nothing is
> happening.
> >>>>>>> Surprisingly, JavaScript console logs go to the activity log.  We
> are
> >>>>>>> missing that in master.
> >>>>>>>
> >>>>>>> I managed to keep the activity:// scheme that we need for the
> >>>>>>> same-origin policy, but I still had to add the setting
> >>>>>>> 'enable-file-access-from-file-uris' to workaround the cross-site
> >>>>>>> requests.  I can't find a way to register the URI scheme in WK1,
> so I
> >>>>>>> added a big FIXME.
> >>>>>>>
> >>>>>>> [1] http://build.laptop.org.au/xo/os/sugar-100/build-21/
> >>>>>>> [2]
> >>>>>>>
> http://webkitgtk.org/reference/webkitgtk/stable/WebKitWebInspector.html
> >>>>>>>
> >>>>>>>
> >>>>>>> --
> >>>>>>> .. manuq ..
> >>>>>>> _______________________________________________
> >>>>>>> Sugar-devel mailing list
> >>>>>>> Sugar-devel at lists.sugarlabs.org
> >>>>>>> http://lists.sugarlabs.org/listinfo/sugar-devel
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> --
> >>>>>> Daniel Narvaez
> >>>>>>
> >>>>>>
> >>>>>> _______________________________________________
> >>>>>> Sugar-devel mailing list
> >>>>>> Sugar-devel at lists.sugarlabs.org
> >>>>>> http://lists.sugarlabs.org/listinfo/sugar-devel
> >>>>>>
> >>>>>
> >>>>
> >>>>
> >>>> --
> >>>> Daniel Narvaez
> >>>>
> >>>
> >>
> >>
> >> --
> >> Daniel Narvaez
> >>
> >
>
>
>
> --
> .. manuq ..
> _______________________________________________
> Sugar-devel mailing list
> Sugar-devel at lists.sugarlabs.org
> http://lists.sugarlabs.org/listinfo/sugar-devel
>
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