[Kde-pim] Drag and drop of emails

[Ingo Klöcker]

On Friday 09 November 2007, Kevin Krammer wrote:
> On Friday 09 November 2007, Ingo Klöcker wrote:
> > On Thursday 08 November 2007, David Jarvie wrote:
> > > Is it possible to drag and drop emails from KMail to another
> > > application in KDE 4, like it was in KDE 3? I can't find any way
> > > of obtaining the email's body. In KDE 3, the body could be got by
> > > calling the DCOP function getDecodedBodyPart() in KMailIface, but
> > > that function doesn't appear to have been implemented in KDE 4.
> > > If this facility doesn't yet exist, are there plans for it to be
> > > written - or is it something that Akonadi will provide?
> >
> > I'd say that only an identifier should be exchanged via drag&drop
> > and the receiving application should then fetch the message from
> > Akonadi.
> >
> > OTOH, this won't work for applications that don't understand the
> > identifier. A possible solution for this for arbitrary KDE
> > applications would be an Akonadi kioslave and the thingy exchanged
> > via drag&drop would be an akonadi: URL.
> >
> > Of course, this won't work with non-KDE applications, e.g. you
> > would not be able to drag a message from KMail to the desktop of
> > another desktop environment.
>
> Similar to clipboard operations, it is possible for the source
> application to specific a list of possible formats it can offer the
> content in, usually starting with the most native format.
>
> An email could probably be offered as:
> - an Akonadi identifier (or probably better as an URI)
> - encoded in its transport form ("raw")

Would the latter still work if the message has been fetched only 
partially from the server (e.g. only the necessary message headers, or 
the message without its attachments)? If not, then how should we handle 
this case?


Regards,
Ingo
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