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/*
 * Jitsi, the OpenSource Java VoIP and Instant Messaging client.
 *
 * Distributable under LGPL license.
 * See terms of license at gnu.org.
 */
package net.java.sip.communicator.impl.hid;

/**
 * Class used to interact with native keyboard.
 *
 * @author Sebastien Vincent
 */
public class NativeKeyboard
{
    static
    {
        System.loadLibrary("hid");
    }

    /**
     * Simulate a key press.
     *
     * @param key ascii representation of the key
     */
    public void keyPress(char key)
    {
        doKeyAction(key, true);
    }

    /**
     * Simulate a key release.
     *
     * @param key ascii representation of the key
     */
    public void keyRelease(char key)
    {
        doKeyAction(key, false);
    }

    /**
     * Simulate a symbol key press.
     *
     * @param symbol symbol name
     */
    public void symbolPress(String symbol)
    {
        doSymbolAction(symbol, true);
    }

    /**
     * Simulate a symbol key release.
     *
     * @param symbol symbol name
     */
    public  void symbolRelease(String symbol)
    {
        doSymbolAction(symbol, false);
    }

    /**
     * Native method to press or release a key.
     *
     * @param key ascii representation of the key
     * @param pressed if the key is pressed or not (i.e. released)
     */
    private static native void doKeyAction(char key, boolean pressed);

    /**
     * Native method to press or release a key.
     *
     * @param symbol symbol name
     * @param pressed if the key is pressed or not (i.e. released)
     */
    private static native void doSymbolAction(String symbol, boolean pressed);
}