Created
June 6, 2019 21:36
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ByteBuddy Java Agent to force Raritan VKC to fullscreen on macOS
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package agent; | |
import java.awt.Window; | |
import java.awt.event.ActionEvent; | |
import java.awt.event.InputEvent; | |
import java.beans.PropertyChangeListener; | |
import java.lang.instrument.Instrumentation; | |
import javax.swing.Action; | |
import javax.swing.JFrame; | |
import javax.swing.KeyStroke; | |
import net.bytebuddy.ByteBuddy; | |
import net.bytebuddy.agent.builder.AgentBuilder; | |
import net.bytebuddy.asm.Advice; | |
import net.bytebuddy.implementation.Implementation; | |
import net.bytebuddy.matcher.ElementMatchers; | |
public class Agent { | |
public static void premain(String agentArgs, Instrumentation inst) { | |
System.err.println("In premain"); | |
final ByteBuddy byteBuddy = new ByteBuddy().with(Implementation.Context.Disabled.Factory.INSTANCE); | |
final Object agentBuilder = new AgentBuilder.Default().ignore(ElementMatchers.none()).with(byteBuddy) | |
.disableClassFormatChanges().with(AgentBuilder.InitializationStrategy.Minimal.INSTANCE) | |
.with(AgentBuilder.RedefinitionStrategy.RETRANSFORMATION) | |
.with(AgentBuilder.TypeStrategy.Default.DECORATE).type((ElementMatchers.named("java.awt.Window"))) | |
.transform((builder, typeDescription, classLoader, module) -> { | |
return builder.visit(Advice.to(Why.class).on(ElementMatchers.any())); | |
}).installOn(inst); | |
} | |
static class Why { | |
@Advice.OnMethodEnter | |
static void enter(@Advice.Origin String method) throws Exception {} | |
@Advice.OnMethodExit | |
static void exit(@Advice.Origin("#t") String clayuss, @Advice.Origin("#m") String method, | |
@Advice.This(optional = true) Object thiz) throws Exception { | |
try { | |
if (thiz instanceof JFrame && method.equals("setVisible")) { | |
final Window window = (Window) thiz; | |
final JFrame jf = (JFrame) thiz; | |
jf.setJMenuBar(null); | |
Class.forName("com.apple.eawt.FullScreenUtilities").getMethod("setWindowCanFullScreen", Window.class, Boolean.TYPE).invoke(null, window, true); | |
Class app = Class.forName("com.apple.eawt.Application"); | |
Object geta = app.getMethod("getApplication").invoke(null); | |
geta.getClass().getMethod("requestToggleFullScreen", Window.class).invoke(geta, window); | |
System.err.println(method + " called on JFrame " + thiz.toString()); | |
} | |
} catch (Throwable t) { | |
t.printStackTrace(); | |
} | |
} | |
} | |
} |
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