package com.limelight.binding.input;
import android.view.KeyEvent;
import com.limelight.nvstream.NvConnection;
import com.limelight.nvstream.input.KeycodeTranslator;
/**
* Class to translate a Android key code into the codes GFE is expecting
* @author Diego Waxemberg
* @author Cameron Gutman
*/
public class KeyboardTranslator extends KeycodeTranslator {
/**
* GFE's prefix for every key code
*/
private static final short KEY_PREFIX = (short) 0x80;
public static final int VK_0 = 48;
public static final int VK_9 = 57;
public static final int VK_A = 65;
public static final int VK_Z = 90;
public static final int VK_ALT = 18;
public static final int VK_NUMPAD0 = 96;
public static final int VK_BACK_SLASH = 92;
public static final int VK_CAPS_LOCK = 20;
public static final int VK_CLEAR = 12;
public static final int VK_COMMA = 44;
public static final int VK_CONTROL = 17;
public static final int VK_BACK_SPACE = 8;
public static final int VK_EQUALS = 61;
public static final int VK_ESCAPE = 27;
public static final int VK_F1 = 112;
public static final int VK_PERIOD = 46;
public static final int VK_INSERT = 155;
public static final int VK_OPEN_BRACKET = 91;
public static final int VK_WINDOWS = 524;
public static final int VK_MINUS = 45;
public static final int VK_END = 35;
public static final int VK_HOME = 36;
public static final int VK_NUM_LOCK = 144;
public static final int VK_PAGE_UP = 33;
public static final int VK_PAGE_DOWN = 34;
public static final int VK_PLUS = 521;
public static final int VK_CLOSE_BRACKET = 93;
public static final int VK_SCROLL_LOCK = 145;
public static final int VK_SEMICOLON = 59;
public static final int VK_SHIFT = 16;
public static final int VK_SLASH = 47;
public static final int VK_SPACE = 32;
public static final int VK_PRINTSCREEN = 154;
public static final int VK_TAB = 9;
public static final int VK_LEFT = 37;
public static final int VK_RIGHT = 39;
public static final int VK_UP = 38;
public static final int VK_DOWN = 40;
public static final int VK_BACK_QUOTE = 192;
public static final int VK_QUOTE = 222;
public static final int VK_PAUSE = 19;
/**
* Constructs a new translator for the specified connection
* @param conn the connection to which the translated codes are sent
*/
public KeyboardTranslator(NvConnection conn) {
super(conn);
}
/**
* Translates the given keycode and returns the GFE keycode
* @param keycode the code to be translated
* @return a GFE keycode for the given keycode
*/
@Override
public short translate(int keycode) {
int translated;
/* There seems to be no clean mapping between Android key codes
* and what Nvidia sends over the wire. If someone finds one,
* I'll happily delete this code :)
*/
if (keycode >= KeyEvent.KEYCODE_0 &&
keycode <= KeyEvent.KEYCODE_9) {
translated = (keycode - KeyEvent.KEYCODE_0) + VK_0;
}
else if (keycode >= KeyEvent.KEYCODE_A &&
keycode <= KeyEvent.KEYCODE_Z) {
translated = (keycode - KeyEvent.KEYCODE_A) + VK_A;
}
else if (keycode >= KeyEvent.KEYCODE_NUMPAD_0 &&
keycode <= KeyEvent.KEYCODE_NUMPAD_9) {
translated = (keycode - KeyEvent.KEYCODE_NUMPAD_0) + VK_NUMPAD0;
}
else if (keycode >= KeyEvent.KEYCODE_F1 &&
keycode <= KeyEvent.KEYCODE_F12) {
translated = (keycode - KeyEvent.KEYCODE_F1) + VK_F1;
}
else {
switch (keycode) {
case KeyEvent.KEYCODE_ALT_LEFT:
case KeyEvent.KEYCODE_ALT_RIGHT:
translated = VK_ALT;
break;
case KeyEvent.KEYCODE_BACKSLASH:
translated = 0xdc;
break;
case KeyEvent.KEYCODE_CAPS_LOCK:
translated = VK_CAPS_LOCK;
break;
case KeyEvent.KEYCODE_CLEAR:
translated = VK_CLEAR;
break;
case KeyEvent.KEYCODE_COMMA:
translated = 0xbc;
break;
case KeyEvent.KEYCODE_CTRL_LEFT:
case KeyEvent.KEYCODE_CTRL_RIGHT:
translated = VK_CONTROL;
break;
case KeyEvent.KEYCODE_DEL:
translated = VK_BACK_SPACE;
break;
case KeyEvent.KEYCODE_ENTER:
translated = 0x0d;
break;
case KeyEvent.KEYCODE_EQUALS:
translated = 0xbb;
break;
case KeyEvent.KEYCODE_ESCAPE:
translated = VK_ESCAPE;
break;
case KeyEvent.KEYCODE_FORWARD_DEL:
// Nvidia maps period to delete
translated = VK_PERIOD;
break;
case KeyEvent.KEYCODE_INSERT:
translated = -1;
break;
case KeyEvent.KEYCODE_LEFT_BRACKET:
translated = 0xdb;
break;
case KeyEvent.KEYCODE_META_LEFT:
case KeyEvent.KEYCODE_META_RIGHT:
translated = VK_WINDOWS;
break;
case KeyEvent.KEYCODE_MINUS:
translated = 0xbd;
break;
case KeyEvent.KEYCODE_MOVE_END:
translated = VK_END;
break;
case KeyEvent.KEYCODE_MOVE_HOME:
translated = VK_HOME;
break;
case KeyEvent.KEYCODE_NUM_LOCK:
translated = VK_NUM_LOCK;
break;
case KeyEvent.KEYCODE_PAGE_DOWN:
translated = VK_PAGE_DOWN;
break;
case KeyEvent.KEYCODE_PAGE_UP:
translated = VK_PAGE_UP;
break;
case KeyEvent.KEYCODE_PERIOD:
translated = 0xbe;
break;
case KeyEvent.KEYCODE_RIGHT_BRACKET:
translated = 0xdd;
break;
case KeyEvent.KEYCODE_SCROLL_LOCK:
translated = VK_SCROLL_LOCK;
break;
case KeyEvent.KEYCODE_SEMICOLON:
translated = 0xba;
break;
case KeyEvent.KEYCODE_SHIFT_LEFT:
case KeyEvent.KEYCODE_SHIFT_RIGHT:
translated = VK_SHIFT;
break;
case KeyEvent.KEYCODE_SLASH:
translated = 0xbf;
break;
case KeyEvent.KEYCODE_SPACE:
translated = VK_SPACE;
break;
case KeyEvent.KEYCODE_SYSRQ:
// Android defines this as SysRq/PrntScrn
translated = VK_PRINTSCREEN;
break;
case KeyEvent.KEYCODE_TAB:
translated = VK_TAB;
break;
case KeyEvent.KEYCODE_DPAD_LEFT:
translated = VK_LEFT;
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
translated = VK_RIGHT;
break;
case KeyEvent.KEYCODE_DPAD_UP:
translated = VK_UP;
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
translated = VK_DOWN;
break;
case KeyEvent.KEYCODE_GRAVE:
translated = VK_BACK_QUOTE;
break;
case KeyEvent.KEYCODE_APOSTROPHE:
translated = 0xde;
break;
case KeyEvent.KEYCODE_BREAK:
translated = VK_PAUSE;
break;
default:
System.out.println("No key for "+keycode);
return 0;
}
}
return (short) ((KEY_PREFIX << 8) | translated);
}
}