Hi,
Thank you for your interest and your work on accessibility technology.
> Hello,
> my name is Maria Teresa Roccia and I'm a computer engineering student.
> I'm working on my thesis which includes a comparative analysis of Java Accessibility on different Operative Systems (Windows, Linux, Mac) and in particular I have to test different solutions to a rather complex java applet.
>
> Regarding Linux, I started working on Ubuntu 9.04 (Orca 2.26 and GNOME 2.26) and testing various JABG versions, with both java6-sun that java6-OpenJDK. The JABG allowed Orca to read the Java demo applications and everything seemed to work, but it doesn't work on my applet: when my client applet connects to and exchange data with the server by HttpConnection, the JABG stops working! Probably orbit stops the communication with the at-spi-registryd erroneously.
>
> So I decided to test my application with the JAW, but I'm in trouble and I really hope you can help me.
>
> To use DBus architecture I decided to work on Ubuntu 9.10 using GNOME 2.28;
> I downloaded the JAW by:
>
http://ftp.gnome.org/pub/GNOME/sources/java-atk-wrapper/> and I followed the instructions in INSTALL.txt:
> . / configure --with-java-home=/usr/lib/jvm/java-6-sun --prefix=/usr/share/gnome-2.0,
> sudo make
> sudo make install
>
> The JAW installation seems to have been completed successfully (unlike JABG, in $JAVA_HOME/jre/lib automatically it copies the accessibility.properties file that contains the correct reference to JAW: "assistive_technologies = org.GNOME.Accessibility.AtkWrapper" and in $JAVA_HOME/jre/lib/ext directory it copies the java-atk-wrapper.jar file)
> But Orca does not read any Java demo application!!
>
Is there any error messages reported to the terminal?
> If I run
> python -c "import pyatspi; print(map(lambda x: x.name, filter(lambda x: x, pyatspi.Registry.getDesktop(0))))"
> it shows
> ['gnome-panel', 'Firefox', 'geyes_applet2', 'gtk-window-decorator', 'gnome-screensaver', 'gnome-power-manager', 'nautilus', 'gedit', 'gnome-terminal']
> Is my system setup to use AT-SPI/DBus?
>
JAW communicates with ATK Bridge, so it does not mind whether the
underlying communication layer is CORBA or D-Bus, theoretically.
But acctually JAW has not been tested against at-spi2, say the at-spi
d-bus. This is one of my jobs during the next weeks.
I've read the code of at-spi2. Since there are some minor changes in
interfaces, we also need some work on JAW.
> If yes, why Orca does not read any Java demo application?
> If no, what should I do to use a DBus-based architecture?
> Can GNOME 2.28 atk module be used by both the AT-SPI/CORBA and AT-SPI/D-Bus solutions? How?
>
AT-SPI framework is still CORBA based in GNOME 2.28.
You can also mail to
gnome-accessibility-list@...(cc'd) for
further information, there are many experts on accessibility technology.
Regards,
Ke
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