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Re: SVG1.2 Socket implementation (number 2)

From: Dean Jackson <dean@w3.org>
Date: Tue, 20 Jul 2004 15:11:34 +1000
To: Jan-Klaas Kollhof <jan@kollhof.net>
Cc: www-svg@w3.org
Message-ID: <20040720051134.GK9799@grorg.local>


I'm just writing up the (small) changes the SVG WG agreed to for this
API and I'll send them here. Hopefully you won't need to change
anything (or it will be small).

Any plans for implementations of other parts?


On Sun 18 Jul 2004, Jan-Klaas Kollhof wrote:

> Hi people,
> I would like to announce, that after a long night of coding I have 
> sucessfully implemented the SVG1.2 sockets again.
> After my, a bit uncomplete impl., using Batik's Java binding  from the 
> script as seen at:
> http://jan.kollhof.net/projects/svg/playground/svgnet.svg
> and the wrapper module:
> http://jan.kollhof.net/projects/svg/playground/jsolait/ext/svgnet.js
> I have now taken a different approach.
> I have two solutions, which work pretty much the same way.
> Both use a Automation object which implements the socket interface and 
> is exposed to the script.
> In the first case I embedded ASV into an application, my motjuvie viewer:
> http://jan.kollhof.net/projects/svg/motjuvie/index.xhtml
> and added a socket factory function (createConnection) to the script 
> environment.
> For the second solution I put the Socket class in an ActiveX dll. After 
> adding a little factory function:
> function createConnection(){
>    return  new ActiveXObject("SVGSockets.Socket");
> }
> one can then simply create the sockets using createConnection() as 
> requested by the specs.
> This works fine in IE using embedded SVG or standalone SVG.
> The socket implements the EventTargetInterface(ignoring useCapture for 
> addEventListener)
> and the Socket interface.
> For events I have ConnectionData, Connect, Connecting, Disconnect, Error.
> I do not like the names so much and that they are capitalized, mousmove 
> is not capitalized either ....
> If anyone is interested to see it working and does not want to wait 
> until SVGOpen, write me a couple lines.
> If someone is seriously interested in using it, because it is quite 
> usefull for doing C/S communication, and ...
> then I am sure we can handle out something (btw, I am still looking for 
> sponsors for the tokyo trip to the SVGOpen,
> you can find my donate button on my page http://jan.kollhof.net )  :)
> The
> PS. demonstration code will follow.
Received on Tuesday, 20 July 2004 01:12:15 UTC

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