net.java.games.input.WinTabEnvironmentPlugin Maven / Gradle / Ivy
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/**
* Copyright (C) 2006 Jeremy Booth ([email protected])
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer. Redistributions in binary
* form must reproduce the above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or other materials provided
* with the distribution.
* The name of the author may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
*/
package net.java.games.input;
import java.io.File;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.List;
import net.java.games.util.plugins.Plugin;
public class WinTabEnvironmentPlugin extends ControllerEnvironment implements Plugin {
private static boolean supported = false;
/**
* Static utility method for loading native libraries.
* It will try to load from either the path given by
* the net.java.games.input.librarypath property
* or through System.loadLibrary().
*
*/
static void loadLibrary(final String lib_name) {
AccessController.doPrivileged(
new PrivilegedAction() {
public final Object run() {
try {
String lib_path = System.getProperty("net.java.games.input.librarypath");
if (lib_path != null)
System.load(lib_path + File.separator + System.mapLibraryName(lib_name));
else
System.loadLibrary(lib_name);
} catch (UnsatisfiedLinkError e) {
e.printStackTrace();
supported = false;
}
return null;
}
});
}
static String getPrivilegedProperty(final String property) {
return (String)AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
return System.getProperty(property);
}
});
}
static String getPrivilegedProperty(final String property, final String default_value) {
return (String)AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
return System.getProperty(property, default_value);
}
});
}
static {
String osName = getPrivilegedProperty("os.name", "").trim();
if(osName.startsWith("Windows")) {
supported = true;
loadLibrary("jinput-wintab");
}
}
private final Controller[] controllers;
private final List active_devices = new ArrayList();
private final WinTabContext winTabContext;
/** Creates new DirectInputEnvironment */
public WinTabEnvironmentPlugin() {
if(isSupported()) {
DummyWindow window = null;
WinTabContext winTabContext = null;
Controller[] controllers = new Controller[]{};
try {
window = new DummyWindow();
winTabContext = new WinTabContext(window);
try {
winTabContext.open();
controllers = winTabContext.getControllers();
} catch (Exception e) {
window.destroy();
throw e;
}
} catch (Exception e) {
logln("Failed to enumerate devices: " + e.getMessage());
e.printStackTrace();
}
this.controllers = controllers;
this.winTabContext = winTabContext;
AccessController.doPrivileged(
new PrivilegedAction() {
public final Object run() {
Runtime.getRuntime().addShutdownHook(new ShutdownHook());
return null;
}
});
} else {
winTabContext = null;
controllers = new Controller[]{};
}
}
public boolean isSupported() {
return supported;
}
public Controller[] getControllers() {
return controllers;
}
private final class ShutdownHook extends Thread {
public final void run() {
/* Release the devices to kill off active force feedback effects */
for (int i = 0; i < active_devices.size(); i++) {
// TODO free the devices
}
//Close the context
winTabContext.close();
/* We won't release the window since it is
* owned by the thread that created the environment.
*/
}
}
}