14.04dconfindicatorsystem-tray
In 12.04 I could use dconf-editor to edit the icons that were visible in the system tray as well as whitelist any applications that I wanted to be up there (such as XChat, Bomgar, Shutter).
This appears to be missing in 14.04. Is this something that needs to be updated in dconf-editor, or is there a workaround for this?
I appreciate any help.
The solution is to add the Notification Area applet.
Taken from this question No Banshee notification area icon in Gnome 3 classic session
Actually for JDownloader case, It's a modular design. Tray icon comes as a plugin that can be disabled from:
JDownloader → Addons → Addon Manager → Extensions → Uncheck Activate box for JD Light Tray
For Java applications general case, It is possible to use Java security manager by writing a custom policy rules.
Create java.policy file in ~/.jdownloader contains:
grant codeBase "file:/home/user/.jdownloader/-" {
// full access
// permission java.security.AllPermission;
// AWTPermission full or only selected elements from it
// permission java.awt.AWTPermission "*";
permission java.awt.AWTPermission "accessClipboard";
permission java.awt.AWTPermission "accessEventQueue";
// permission java.awt.AWTPermission "accessSystemTray";
permission java.awt.AWTPermission "createRobot";
permission java.awt.AWTPermission "fullScreenExclusive";
permission java.awt.AWTPermission "listenToAllAWTEvents";
permission java.awt.AWTPermission "readDisplayPixels";
permission java.awt.AWTPermission "replaceKeyboardFocusManager";
permission java.awt.AWTPermission "setAppletStub";
permission java.awt.AWTPermission "setWindowAlwaysOnTop";
permission java.awt.AWTPermission "showWindowWithoutWarningBanner";
permission java.awt.AWTPermission "toolkitModality";
permission java.awt.AWTPermission "watchMousePointer";
// Added by try and learn
permission java.io.FilePermission "/-", "read,write,delete";
permission java.util.PropertyPermission "*", "read,write";
permission java.util.logging.LoggingPermission "control";
permission java.lang.RuntimePermission "*";
permission java.net.NetPermission "*";
permission java.security.SecurityPermission "*";
permission javax.net.ssl.SSLPermission "*";
permission java.net.SocketPermission "*", "connect,resolve";
permission java.lang.reflect.ReflectPermission "*";
};
Modify jdownloader launch script to use custom policy
sudo nano /usr/bin/jdownloader
Add: -Djava.security.manager -Djava.security.policy=java.policy to java command call:
exec java ${JAVA_OPTIONS} -Djava.security.manager -Djava.security.policy=java.policy -jar JDownloader.jar $*
These are the minimum rules that allowed me to launch jdownloader. You may need to add more permissions. Because there is no deny option you have to write all needed grant rules.
References:
java.awt: Class SystemTrayjava.awt: Class AWTPermissionjava.security: Class BasicPermission
See Direct Known Subclasses if you want to write a general template that grant AllPermission except accessSystemTray. So you can use it for all remaining java apps.
BTW, try to comment one of the rules by adding // to the beginning of line; So you can see how the error of denied permissions looks like. It tells you which permission you should to add. Also notice that I have used many - & * trying to extend rules as I'm looking for a quick solution (default was AllPermission anyway) and I'm not looking to jail the application.
Here is a template to start with, trying to grant all possible permissions:
grant codeBase "file:/home/user/.jdownloader/-" {
// permission java.security.AllPermission;
// permission java.awt.AWTPermission "*";
permission java.awt.AWTPermission "accessClipboard";
permission java.awt.AWTPermission "accessEventQueue";
// permission java.awt.AWTPermission "accessSystemTray";
permission java.awt.AWTPermission "createRobot";
permission java.awt.AWTPermission "fullScreenExclusive";
permission java.awt.AWTPermission "listenToAllAWTEvents";
permission java.awt.AWTPermission "readDisplayPixels";
permission java.awt.AWTPermission "replaceKeyboardFocusManager";
permission java.awt.AWTPermission "setAppletStub";
permission java.awt.AWTPermission "setWindowAlwaysOnTop";
permission java.awt.AWTPermission "showWindowWithoutWarningBanner";
permission java.awt.AWTPermission "toolkitModality";
permission java.awt.AWTPermission "watchMousePointer";
permission javax.sound.sampled.AudioPermission "*";
permission javax.security.auth.AuthPermission "*";
// permission javax.security.auth.kerberos.DelegationPermission "";
permission javax.xml.bind.JAXBPermission "*";
permission java.nio.file.LinkPermission "hard";
permission java.nio.file.LinkPermission "symbolic";
permission java.util.logging.LoggingPermission "control";
// permission java.lang.management.ManagementPermission "*";
permission javax.management.MBeanServerPermission "*";
permission javax.management.MBeanTrustPermission "*";
permission java.net.NetPermission "*";
permission java.util.PropertyPermission "*", "read,write";
permission java.lang.reflect.ReflectPermission "*";
permission java.lang.RuntimePermission "*";
permission java.security.SecurityPermission "*";
permission java.io.SerializablePermission "*";
permission java.sql.SQLPermission "*";
permission javax.net.ssl.SSLPermission "*";
permission javax.management.remote.SubjectDelegationPermission "*";
permission javax.xml.ws.WebServicePermission "*";
// permission "*";
permission java.io.FilePermission "/-", "read,write,execute,delete,readlink";
permission javax.management.MBeanPermission "*", "*";
// permission javax.security.auth.PrivateCredentialPermission "", "read";
permission javax.security.auth.kerberos.ServicePermission "*", "initiate,accept";
permission java.net.SocketPermission "*", "accept,connect,listen,resolve";
permission java.net.URLPermission "*";
};
Note:
Java Policy Tools is a GUI tool to edit policy files. It make it more easy t find out all available options from drop box. It should be already install with Java package.
Best Answer
Try this: