RE: Mime part viewers, support for PGP, ICS files and others

[Philip Van Hoof <spam pvanhoof be>]

On Thu, 2006-10-12 at 12:06 +0300, Dirk-Jan Binnema nokia com wrote:

> I like the idea - it just seems the right thing to do. There are
> some "real world imperfections" that should be addressed in the
> design though:

I'd like to add one more:

4) It's not easy anymore to implement a MimePartView that can display
more-than-one mime-part. Like what the current GtkIconListView does
because I created a model that takes MimePart instances.

I can of course make a MimePartsView (note the extra s) that takes zero
or more MimePartView's that are specifically implemented to function as
a child of a MimePartsView. Note that the implementation of such a
MimePartsView would use, for example in Gtk+, a combination of a
GtkIconListView and a GtkTreeModel. But that would become an
implementation detail for the gtk version of libtinymailui.

For example a TnyGtkFileAttachmentMimePartsView implements
TnyMimePartsView contains zero or more TnyGtkFileAttachmentMimePartViews
which implements TnyMimePartView.

Thoughts? Ideas? Where are my designers? ;-) Bjorn? Bart?

Anyway, My idea was to show the multiple TnyMimePartView implementations
in the gtk implementation of TnyMsgView in a GtkVBox container. A lot
like what Evolution does


> - there won't be a nice 1:1 correspondence between MIME-type and
>   viewer in all cases. 
> 	1) user preference (view pics inline or as attachment)
> 	2) wrong MIME-type (ie. application/octet-stream for just
>          about any file-type when some versions of Outlook
>          send it.
>     	3) (less important) many MIME-types can be represented
>           as a other types just for viewing; ie. many file types can
>          be represented as images (inkscape, thumbnails of jpg,
>          pdf, video etc.)
> 
> So I guess it would be good to have a way for the model to provide
> the MIME-type, which is a function of the explicit MIME-type of
> the MIME-part, user preference, and some 'special code' to make
> intelligent decisions. Also, in the view there should be a way
> to apply user preferences.
> 
> Best wishes,
> Dirk. 
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-- 
Philip Van Hoof, software developer
home: me at pvanhoof dot be
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