mirror of
https://github.com/moonlight-stream/moonlight-android.git
synced 2026-04-05 23:46:04 +00:00
Initial migration to Android Studio
This commit is contained in:
Cameron Gutman
@@ -0,0 +1,41 @@
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package com.limelight.binding.input.evdev;
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public class EvdevEvent {
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public static final int EVDEV_MIN_EVENT_SIZE = 16;
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public static final int EVDEV_MAX_EVENT_SIZE = 24;
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/* Event types */
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public static final short EV_SYN = 0x00;
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public static final short EV_KEY = 0x01;
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public static final short EV_REL = 0x02;
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public static final short EV_MSC = 0x04;
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/* Relative axes */
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public static final short REL_X = 0x00;
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public static final short REL_Y = 0x01;
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public static final short REL_WHEEL = 0x08;
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/* Buttons */
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public static final short BTN_LEFT = 0x110;
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public static final short BTN_RIGHT = 0x111;
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public static final short BTN_MIDDLE = 0x112;
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public static final short BTN_SIDE = 0x113;
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public static final short BTN_EXTRA = 0x114;
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public static final short BTN_FORWARD = 0x115;
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public static final short BTN_BACK = 0x116;
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public static final short BTN_TASK = 0x117;
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public static final short BTN_GAMEPAD = 0x130;
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/* Keys */
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public static final short KEY_Q = 16;
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public short type;
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public short code;
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public int value;
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public EvdevEvent(short type, short code, int value) {
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this.type = type;
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this.code = code;
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this.value = value;
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}
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}
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@@ -0,0 +1,167 @@
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package com.limelight.binding.input.evdev;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import com.limelight.LimeLog;
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public class EvdevHandler {
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private String absolutePath;
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private EvdevListener listener;
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private boolean shutdown = false;
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private int fd = -1;
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private Thread handlerThread = new Thread() {
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@Override
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public void run() {
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// All the finally blocks here make this code look like a mess
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// but it's important that we get this right to avoid causing
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// system-wide input problems.
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// Open the /dev/input/eventX file
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fd = EvdevReader.open(absolutePath);
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if (fd == -1) {
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LimeLog.warning("Unable to open "+absolutePath);
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return;
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}
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try {
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// Check if it's a mouse or keyboard, but not a gamepad
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if ((!EvdevReader.isMouse(fd) && !EvdevReader.isAlphaKeyboard(fd)) ||
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EvdevReader.isGamepad(fd)) {
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// We only handle keyboards and mice
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return;
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}
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// Grab it for ourselves
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if (!EvdevReader.grab(fd)) {
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LimeLog.warning("Unable to grab "+absolutePath);
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return;
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}
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LimeLog.info("Grabbed device for raw keyboard/mouse input: "+absolutePath);
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ByteBuffer buffer = ByteBuffer.allocate(EvdevEvent.EVDEV_MAX_EVENT_SIZE).order(ByteOrder.nativeOrder());
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try {
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int deltaX = 0;
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int deltaY = 0;
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byte deltaScroll = 0;
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while (!isInterrupted() && !shutdown) {
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EvdevEvent event = EvdevReader.read(fd, buffer);
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if (event == null) {
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return;
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}
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switch (event.type)
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{
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case EvdevEvent.EV_SYN:
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if (deltaX != 0 || deltaY != 0) {
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listener.mouseMove(deltaX, deltaY);
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deltaX = deltaY = 0;
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}
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if (deltaScroll != 0) {
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listener.mouseScroll(deltaScroll);
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deltaScroll = 0;
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}
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break;
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case EvdevEvent.EV_REL:
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switch (event.code)
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{
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case EvdevEvent.REL_X:
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deltaX = event.value;
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break;
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case EvdevEvent.REL_Y:
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deltaY = event.value;
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break;
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case EvdevEvent.REL_WHEEL:
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deltaScroll = (byte) event.value;
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break;
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}
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break;
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case EvdevEvent.EV_KEY:
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switch (event.code)
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{
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case EvdevEvent.BTN_LEFT:
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listener.mouseButtonEvent(EvdevListener.BUTTON_LEFT,
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event.value != 0);
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break;
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case EvdevEvent.BTN_MIDDLE:
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listener.mouseButtonEvent(EvdevListener.BUTTON_MIDDLE,
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event.value != 0);
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break;
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case EvdevEvent.BTN_RIGHT:
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listener.mouseButtonEvent(EvdevListener.BUTTON_RIGHT,
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event.value != 0);
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break;
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case EvdevEvent.BTN_SIDE:
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case EvdevEvent.BTN_EXTRA:
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case EvdevEvent.BTN_FORWARD:
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case EvdevEvent.BTN_BACK:
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case EvdevEvent.BTN_TASK:
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// Other unhandled mouse buttons
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break;
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default:
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// We got some unrecognized button. This means
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// someone is trying to use the other device in this
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// "combination" input device. We'll try to handle
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// it via keyboard, but we're not going to disconnect
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// if we can't
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short keyCode = EvdevTranslator.translateEvdevKeyCode(event.code);
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if (keyCode != 0) {
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listener.keyboardEvent(event.value != 0, keyCode);
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}
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break;
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}
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break;
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case EvdevEvent.EV_MSC:
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break;
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}
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}
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} finally {
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// Release our grab
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EvdevReader.ungrab(fd);
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}
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} finally {
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// Close the file
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EvdevReader.close(fd);
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}
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}
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};
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public EvdevHandler(String absolutePath, EvdevListener listener) {
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this.absolutePath = absolutePath;
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this.listener = listener;
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}
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public void start() {
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handlerThread.start();
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}
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public void stop() {
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// Close the fd. It doesn't matter if this races
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// with the handler thread. We'll close this out from
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// under the thread to wake it up
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if (fd != -1) {
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EvdevReader.close(fd);
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}
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shutdown = true;
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handlerThread.interrupt();
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try {
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handlerThread.join();
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} catch (InterruptedException e) {}
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}
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public void notifyDeleted() {
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stop();
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}
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}
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@@ -0,0 +1,12 @@
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package com.limelight.binding.input.evdev;
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public interface EvdevListener {
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public static final int BUTTON_LEFT = 1;
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public static final int BUTTON_MIDDLE = 2;
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public static final int BUTTON_RIGHT = 3;
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public void mouseMove(int deltaX, int deltaY);
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public void mouseButtonEvent(int buttonId, boolean down);
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public void mouseScroll(byte amount);
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public void keyboardEvent(boolean buttonDown, short keyCode);
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}
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@@ -0,0 +1,102 @@
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package com.limelight.binding.input.evdev;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.nio.ByteBuffer;
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import java.util.Locale;
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import com.limelight.LimeLog;
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public class EvdevReader {
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static {
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System.loadLibrary("evdev_reader");
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}
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// Requires root to chmod /dev/input/eventX
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public static boolean setPermissions(String[] files, int octalPermissions) {
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ProcessBuilder builder = new ProcessBuilder("su");
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try {
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Process p = builder.start();
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OutputStream stdin = p.getOutputStream();
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for (String file : files) {
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stdin.write(String.format((Locale)null, "chmod %o %s\n", octalPermissions, file).getBytes("UTF-8"));
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}
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stdin.write("exit\n".getBytes("UTF-8"));
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stdin.flush();
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p.waitFor();
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p.destroy();
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} catch (IOException e) {
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e.printStackTrace();
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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return false;
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}
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// Returns the fd to be passed to other function or -1 on error
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public static native int open(String fileName);
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// Prevent other apps (including Android itself) from using the device while "grabbed"
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public static native boolean grab(int fd);
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public static native boolean ungrab(int fd);
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// Used for checking device capabilities
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public static native boolean hasRelAxis(int fd, short axis);
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public static native boolean hasAbsAxis(int fd, short axis);
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public static native boolean hasKey(int fd, short key);
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public static boolean isMouse(int fd) {
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// This is the same check that Android does in EventHub.cpp
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return hasRelAxis(fd, EvdevEvent.REL_X) &&
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hasRelAxis(fd, EvdevEvent.REL_Y) &&
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hasKey(fd, EvdevEvent.BTN_LEFT);
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}
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public static boolean isAlphaKeyboard(int fd) {
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// This is the same check that Android does in EventHub.cpp
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return hasKey(fd, EvdevEvent.KEY_Q);
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}
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public static boolean isGamepad(int fd) {
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return hasKey(fd, EvdevEvent.BTN_GAMEPAD);
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}
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// Returns the bytes read or -1 on error
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private static native int read(int fd, byte[] buffer);
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// Takes a byte buffer to use to read the output into.
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// This buffer MUST be in native byte order and at least
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// EVDEV_MAX_EVENT_SIZE bytes long.
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public static EvdevEvent read(int fd, ByteBuffer buffer) {
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int bytesRead = read(fd, buffer.array());
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if (bytesRead < 0) {
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LimeLog.warning("Failed to read: "+bytesRead);
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return null;
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}
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else if (bytesRead < EvdevEvent.EVDEV_MIN_EVENT_SIZE) {
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LimeLog.warning("Short read: "+bytesRead);
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return null;
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}
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buffer.limit(bytesRead);
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buffer.rewind();
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// Throw away the time stamp
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if (bytesRead == EvdevEvent.EVDEV_MAX_EVENT_SIZE) {
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buffer.getLong();
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buffer.getLong();
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} else {
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buffer.getInt();
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buffer.getInt();
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}
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return new EvdevEvent(buffer.getShort(), buffer.getShort(), buffer.getInt());
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}
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// Closes the fd from open()
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public static native int close(int fd);
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}
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@@ -0,0 +1,139 @@
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package com.limelight.binding.input.evdev;
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import android.view.KeyEvent;
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public class EvdevTranslator {
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public static final short EVDEV_KEY_CODES[] = {
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0, //KeyEvent.VK_RESERVED
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KeyEvent.KEYCODE_ESCAPE,
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KeyEvent.KEYCODE_1,
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KeyEvent.KEYCODE_2,
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KeyEvent.KEYCODE_3,
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KeyEvent.KEYCODE_4,
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KeyEvent.KEYCODE_5,
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KeyEvent.KEYCODE_6,
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KeyEvent.KEYCODE_7,
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KeyEvent.KEYCODE_8,
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KeyEvent.KEYCODE_9,
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KeyEvent.KEYCODE_0,
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KeyEvent.KEYCODE_MINUS,
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KeyEvent.KEYCODE_EQUALS,
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KeyEvent.KEYCODE_DEL,
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KeyEvent.KEYCODE_TAB,
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KeyEvent.KEYCODE_Q,
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KeyEvent.KEYCODE_W,
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KeyEvent.KEYCODE_E,
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KeyEvent.KEYCODE_R,
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KeyEvent.KEYCODE_T,
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KeyEvent.KEYCODE_Y,
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KeyEvent.KEYCODE_U,
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KeyEvent.KEYCODE_I,
|
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KeyEvent.KEYCODE_O,
|
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KeyEvent.KEYCODE_P,
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KeyEvent.KEYCODE_LEFT_BRACKET,
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KeyEvent.KEYCODE_RIGHT_BRACKET,
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KeyEvent.KEYCODE_ENTER,
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KeyEvent.KEYCODE_CTRL_LEFT,
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KeyEvent.KEYCODE_A,
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KeyEvent.KEYCODE_S,
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KeyEvent.KEYCODE_D,
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KeyEvent.KEYCODE_F,
|
||||
KeyEvent.KEYCODE_G,
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||||
KeyEvent.KEYCODE_H,
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KeyEvent.KEYCODE_J,
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KeyEvent.KEYCODE_K,
|
||||
KeyEvent.KEYCODE_L,
|
||||
KeyEvent.KEYCODE_SEMICOLON,
|
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KeyEvent.KEYCODE_APOSTROPHE,
|
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KeyEvent.KEYCODE_GRAVE,
|
||||
KeyEvent.KEYCODE_SHIFT_LEFT,
|
||||
KeyEvent.KEYCODE_BACKSLASH,
|
||||
KeyEvent.KEYCODE_Z,
|
||||
KeyEvent.KEYCODE_X,
|
||||
KeyEvent.KEYCODE_C,
|
||||
KeyEvent.KEYCODE_V,
|
||||
KeyEvent.KEYCODE_B,
|
||||
KeyEvent.KEYCODE_N,
|
||||
KeyEvent.KEYCODE_M,
|
||||
KeyEvent.KEYCODE_COMMA,
|
||||
KeyEvent.KEYCODE_PERIOD,
|
||||
KeyEvent.KEYCODE_SLASH,
|
||||
KeyEvent.KEYCODE_SHIFT_RIGHT,
|
||||
KeyEvent.KEYCODE_NUMPAD_MULTIPLY,
|
||||
KeyEvent.KEYCODE_ALT_LEFT,
|
||||
KeyEvent.KEYCODE_SPACE,
|
||||
KeyEvent.KEYCODE_CAPS_LOCK,
|
||||
KeyEvent.KEYCODE_F1,
|
||||
KeyEvent.KEYCODE_F2,
|
||||
KeyEvent.KEYCODE_F3,
|
||||
KeyEvent.KEYCODE_F4,
|
||||
KeyEvent.KEYCODE_F5,
|
||||
KeyEvent.KEYCODE_F6,
|
||||
KeyEvent.KEYCODE_F7,
|
||||
KeyEvent.KEYCODE_F8,
|
||||
KeyEvent.KEYCODE_F9,
|
||||
KeyEvent.KEYCODE_F10,
|
||||
KeyEvent.KEYCODE_NUM_LOCK,
|
||||
KeyEvent.KEYCODE_SCROLL_LOCK,
|
||||
KeyEvent.KEYCODE_NUMPAD_7,
|
||||
KeyEvent.KEYCODE_NUMPAD_8,
|
||||
KeyEvent.KEYCODE_NUMPAD_9,
|
||||
KeyEvent.KEYCODE_NUMPAD_SUBTRACT,
|
||||
KeyEvent.KEYCODE_NUMPAD_4,
|
||||
KeyEvent.KEYCODE_NUMPAD_5,
|
||||
KeyEvent.KEYCODE_NUMPAD_6,
|
||||
KeyEvent.KEYCODE_NUMPAD_ADD,
|
||||
KeyEvent.KEYCODE_NUMPAD_1,
|
||||
KeyEvent.KEYCODE_NUMPAD_2,
|
||||
KeyEvent.KEYCODE_NUMPAD_3,
|
||||
KeyEvent.KEYCODE_NUMPAD_0,
|
||||
KeyEvent.KEYCODE_NUMPAD_DOT,
|
||||
0,
|
||||
0, //KeyEvent.VK_ZENKAKUHANKAKU,
|
||||
0, //KeyEvent.VK_102ND,
|
||||
KeyEvent.KEYCODE_F11,
|
||||
KeyEvent.KEYCODE_F12,
|
||||
0, //KeyEvent.VK_RO,
|
||||
0, //KeyEvent.VK_KATAKANA,
|
||||
0, //KeyEvent.VK_HIRAGANA,
|
||||
0, //KeyEvent.VK_HENKAN,
|
||||
0, //KeyEvent.VK_KATAKANAHIRAGANA,
|
||||
0, //KeyEvent.VK_MUHENKAN,
|
||||
0, //KeyEvent.VK_KPJPCOMMA,
|
||||
KeyEvent.KEYCODE_NUMPAD_ENTER,
|
||||
KeyEvent.KEYCODE_CTRL_RIGHT,
|
||||
KeyEvent.KEYCODE_NUMPAD_DIVIDE,
|
||||
KeyEvent.KEYCODE_SYSRQ,
|
||||
KeyEvent.KEYCODE_ALT_RIGHT,
|
||||
0, //KeyEvent.VK_LINEFEED,
|
||||
KeyEvent.KEYCODE_HOME,
|
||||
KeyEvent.KEYCODE_DPAD_UP,
|
||||
KeyEvent.KEYCODE_PAGE_UP,
|
||||
KeyEvent.KEYCODE_DPAD_LEFT,
|
||||
KeyEvent.KEYCODE_DPAD_RIGHT,
|
||||
KeyEvent.KEYCODE_MOVE_END,
|
||||
KeyEvent.KEYCODE_DPAD_DOWN,
|
||||
KeyEvent.KEYCODE_PAGE_DOWN,
|
||||
KeyEvent.KEYCODE_INSERT,
|
||||
KeyEvent.KEYCODE_FORWARD_DEL,
|
||||
0, //KeyEvent.VK_MACRO,
|
||||
0, //KeyEvent.VK_MUTE,
|
||||
0, //KeyEvent.VK_VOLUMEDOWN,
|
||||
0, //KeyEvent.VK_VOLUMEUP,
|
||||
0, //KeyEvent.VK_POWER, /* SC System Power Down */
|
||||
KeyEvent.KEYCODE_NUMPAD_EQUALS,
|
||||
0, //KeyEvent.VK_KPPLUSMINUS,
|
||||
KeyEvent.KEYCODE_BREAK,
|
||||
0, //KeyEvent.VK_SCALE, /* AL Compiz Scale (Expose) */
|
||||
};
|
||||
|
||||
public static short translateEvdevKeyCode(short evdevKeyCode) {
|
||||
if (evdevKeyCode < EVDEV_KEY_CODES.length) {
|
||||
return EVDEV_KEY_CODES[evdevKeyCode];
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,171 @@
|
||||
package com.limelight.binding.input.evdev;
|
||||
|
||||
import java.io.File;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
import com.limelight.LimeLog;
|
||||
|
||||
import android.os.FileObserver;
|
||||
|
||||
public class EvdevWatcher {
|
||||
private static final String PATH = "/dev/input";
|
||||
private static final String REQUIRED_FILE_PREFIX = "event";
|
||||
|
||||
private HashMap<String, EvdevHandler> handlers = new HashMap<String, EvdevHandler>();
|
||||
private boolean shutdown = false;
|
||||
private boolean init = false;
|
||||
private boolean ungrabbed = false;
|
||||
private EvdevListener listener;
|
||||
private Thread startThread;
|
||||
|
||||
private FileObserver observer = new FileObserver(PATH, FileObserver.CREATE | FileObserver.DELETE) {
|
||||
@Override
|
||||
public void onEvent(int event, String fileName) {
|
||||
if (fileName == null) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (!fileName.startsWith(REQUIRED_FILE_PREFIX)) {
|
||||
return;
|
||||
}
|
||||
|
||||
synchronized (handlers) {
|
||||
if (shutdown) {
|
||||
return;
|
||||
}
|
||||
|
||||
if ((event & FileObserver.CREATE) != 0) {
|
||||
LimeLog.info("Starting evdev handler for "+fileName);
|
||||
|
||||
if (!init) {
|
||||
// If this a real new device, update permissions again so we can read it
|
||||
EvdevReader.setPermissions(new String[]{PATH + "/" + fileName}, 0666);
|
||||
}
|
||||
|
||||
EvdevHandler handler = new EvdevHandler(PATH + "/" + fileName, listener);
|
||||
|
||||
// If we're ungrabbed now, don't start the handler
|
||||
if (!ungrabbed) {
|
||||
handler.start();
|
||||
}
|
||||
|
||||
handlers.put(fileName, handler);
|
||||
}
|
||||
|
||||
if ((event & FileObserver.DELETE) != 0) {
|
||||
LimeLog.info("Halting evdev handler for "+fileName);
|
||||
|
||||
EvdevHandler handler = handlers.remove(fileName);
|
||||
if (handler != null) {
|
||||
handler.notifyDeleted();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
public EvdevWatcher(EvdevListener listener) {
|
||||
this.listener = listener;
|
||||
}
|
||||
|
||||
private File[] rundownWithPermissionsChange(int newPermissions) {
|
||||
// Rundown existing files
|
||||
File devInputDir = new File(PATH);
|
||||
File[] files = devInputDir.listFiles();
|
||||
if (files == null) {
|
||||
return new File[0];
|
||||
}
|
||||
|
||||
// Set desired permissions
|
||||
String[] filePaths = new String[files.length];
|
||||
for (int i = 0; i < files.length; i++) {
|
||||
filePaths[i] = files[i].getAbsolutePath();
|
||||
}
|
||||
EvdevReader.setPermissions(filePaths, newPermissions);
|
||||
|
||||
return files;
|
||||
}
|
||||
|
||||
public void ungrabAll() {
|
||||
synchronized (handlers) {
|
||||
// Note that we're ungrabbed for now
|
||||
ungrabbed = true;
|
||||
|
||||
// Stop all handlers
|
||||
for (EvdevHandler handler : handlers.values()) {
|
||||
handler.stop();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void regrabAll() {
|
||||
synchronized (handlers) {
|
||||
// We're regrabbing everything now
|
||||
ungrabbed = false;
|
||||
|
||||
for (Map.Entry<String, EvdevHandler> entry : handlers.entrySet()) {
|
||||
// We need to recreate each entry since we can't reuse a stopped one
|
||||
entry.setValue(new EvdevHandler(PATH + "/" + entry.getKey(), listener));
|
||||
entry.getValue().start();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void start() {
|
||||
startThread = new Thread() {
|
||||
@Override
|
||||
public void run() {
|
||||
// List all files and allow us access
|
||||
File[] files = rundownWithPermissionsChange(0666);
|
||||
|
||||
init = true;
|
||||
for (File f : files) {
|
||||
observer.onEvent(FileObserver.CREATE, f.getName());
|
||||
}
|
||||
|
||||
// Done with initial onEvent calls
|
||||
init = false;
|
||||
|
||||
// Start watching for new files
|
||||
observer.startWatching();
|
||||
|
||||
synchronized (startThread) {
|
||||
// Wait to be awoken again by shutdown()
|
||||
try {
|
||||
startThread.wait();
|
||||
} catch (InterruptedException e) {}
|
||||
}
|
||||
|
||||
// Giveup eventX permissions
|
||||
rundownWithPermissionsChange(066);
|
||||
}
|
||||
};
|
||||
startThread.start();
|
||||
}
|
||||
|
||||
public void shutdown() {
|
||||
// Let start thread cleanup on it's own sweet time
|
||||
synchronized (startThread) {
|
||||
startThread.notify();
|
||||
}
|
||||
|
||||
// Stop the observer
|
||||
observer.stopWatching();
|
||||
|
||||
synchronized (handlers) {
|
||||
// Stop creating new handlers
|
||||
shutdown = true;
|
||||
|
||||
// If we've already ungrabbed, there's nothing else to do
|
||||
if (ungrabbed) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Stop all handlers
|
||||
for (EvdevHandler handler : handlers.values()) {
|
||||
handler.stop();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user