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* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
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package net.java.games.input;
import java.io.IOException;
import java.util.List;
import java.util.ArrayList;
/** Java wrapper for IDirectInput
* @author martak
* @author elias
* @version 1.0
*/
final class IDirectInput {
private final List devices = new ArrayList();
private final long idirectinput_address;
private final DummyWindow window;
public IDirectInput(DummyWindow window) throws IOException {
this.window = window;
this.idirectinput_address = createIDirectInput();
try {
enumDevices();
} catch (IOException e) {
releaseDevices();
release();
throw e;
}
}
private final static native long createIDirectInput() throws IOException;
public final List getDevices() {
return devices;
}
private final void enumDevices() throws IOException {
nEnumDevices(idirectinput_address);
}
private final native void nEnumDevices(long addr) throws IOException;
/* This method is called from native code in nEnumDevices
* native side will clean up in case of an exception
*/
private final void addDevice(long address, byte[] instance_guid, byte[] product_guid, int dev_type, int dev_subtype, String instance_name, String product_name) throws IOException {
try {
IDirectInputDevice device = new IDirectInputDevice(window, address, instance_guid, product_guid, dev_type, dev_subtype, instance_name, product_name);
devices.add(device);
} catch (IOException e) {
DirectInputEnvironmentPlugin.log("Failed to initialize device " + product_name + " because of: " + e);
}
}
public final void releaseDevices() {
for (int i = 0; i < devices.size(); i++) {
IDirectInputDevice device = (IDirectInputDevice)devices.get(i);
device.release();
}
}
public final void release() {
nRelease(idirectinput_address);
}
private final static native void nRelease(long address);
}
