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List:       kopete-devel
Subject:    A few questions (XMPP, avatars, CommandHandler)
From:       Teemu Rytilahti <tpr () d5k ! net>
Date:       2010-03-19 11:11:07
Message-ID: hnvm4n$5i0$1 () dough ! gmane ! org
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Hello everyone,

I have been lately trying to understand the code-base of Kopete to fix 
some issues I have encountered, and after pondering a while decided to 
post here to ask some questions.

The first question is related to avatar handling, especially regarding 
to bugs #156184 and #149602. I located that the issue is that Kopete 
uses account id to save the avatars. The problem is that JIDs may 
contain slash ('/') to indicate the resource for that user, a feature 
which is also used to identify MUC contacts. Now the problem is that 
as the slash is a part of the id and also used as a directory 
separator, QImage::save() won't save the image as the directory where 
it tries to save it doesn't exist.

So to the question, which way this should be handled? I assume that 
the account id is used instead of just a hash to make it user-friendly 
to browse the items, so using a plain hash for filenames is not an 
option. I was thinking about replacing '/' with something else when 
saving the avatar, but what would be replacement? And do such an 
issues appear with other characters allowed in XMPP and other 
protocols?

Another question is that is CommandHandler a wrong way to implement 
IRC-style commands? Looking to protocols/irc/ircprotocol.cpp, which is 
the only user of CommandHandler, has commented those out. I'm asking 
this because I would like to implement (at least some) of the mappings 
described in http://xmpp.org/extensions/xep-0045.html#impl-client-irc 
.

The final question is about how to handle adding a support for a new 
XEP. Let's assume that I would like to implement XEP-0224 (Attention) 
to allow XMPP users to "nudge". Where should I start looking for the 
right place to do it? Should the ground-work be done in libiris side? 

All pointers where to start for any of those issues are very welcome.

- -- 
Best regards,
Teemu Rytilahti
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