Hi,
It could be easy to implement your desire as you might guess, I think.
The key module would be vcl in the source code of OpenOffice.org.
outdev.hxx defines the OS independent interface of virtual devices such as OS
dependent real display devices, printer, PDF exporter, and so on. The upper
applications such as Writer, Calc, and Impress work with the virtual devices
through the interface.
http://hg.services.openoffice.org/OOO330/file/OOO330_m20/vcl/inc/vcl/outdev.hxx
http://hg.services.openoffice.org/OOO330/file/OOO330_m20/vcl/source/gdi
outdev?.cxx
To build your own cloud version of OpenOffice.org, you could add a new virtual
device that serves your remote users.
E.g. the virtual device could be a hand-made web server that translates GET and
PUT requests from the client side into key/mouse events and drawing actions for
the upper applications.
IMHO, if I were you, I would not use any web protocol to realize it. Because it
might require thousands of lines of JavaScript as AJAX in the client side.
Despite the efforts, its quality might be poorer than a real OpenOffice.org.
So, how? The virtual device would draw texts and shapes on the internal bitmap
virtual display first and then send the changes of bitmap via well-known VNC
server protocol or video streaming protocol to the client side.
The idea comes from my situation where a VNC server is located in my SOHO in
Japan and I travel to the US, Germany, Italy, China, ... Wherever I were, the
view of OpenOffice.org running on a virtual machine can be projected on my
laptop through VNC viewer. Before leaving the US I leave a document of
OpenOffice.org open and close the VNC connection. After arriving at a hotel in
Germany I can work with the document without any interruption. For me, that is
the cloud.
Anyway, I believe you can do it! :-)
Serving several users concurrently for a single document might be much more
challenging and attractive.
Source files of OpenOffice.org 3.3.0
http://download.services.openoffice.org/files/stable/3.3.0/
Get files OOo_3.3.0_src_xxx.tar.bz2 and extract them.
And then follow Alexandro's suggestion:
On 2011/06/26 2:31, Alexandro Colorado wrote:
Not a trvial job since OOo has more than 9 million of lines of code
http://www.openoffice.org/FAQs/build_faq.html#source. But you will find most
of the information here:
http://wiki.services.openoffice.org/wiki/Development#Getting_started_with_OOo_development
There might be much more cool, pragmatic ways. Anyone, any suggestions?
Best regards,
Tora
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