mirrors/QtScrcpy
0
0
Fork 0
mirror of https://github.com/barry-ran/QtScrcpy.git synced 2025-10-04 15:19:42 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

update:event改为message更恰当

Browse source
This commit is contained in:
Barry 2019-06-19 16:13:58 +08:00
commit b92199dea3
28 changed files with 560 additions and 733 deletions
Download patch file Download diff file Expand all files Collapse all files

177
server/src/main/java/com/genymobile/scrcpy/ControlMessageReader.java Normal file
View file

@ -0,0 +1,177 @@
package com.genymobile.scrcpy;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
public class ControlMessageReader {
private static final int INJECT_KEYCODE_PAYLOAD_LENGTH = 9;
private static final int INJECT_MOUSE_PAYLOAD_LENGTH = 13;
private static final int INJECT_SCROLL_PAYLOAD_LENGTH = 16;
private static final int INJECT_TOUCH_PAYLOAD_LENGTH = 10;
public static final int TEXT_MAX_LENGTH = 300;
public static final int CLIPBOARD_TEXT_MAX_LENGTH = 4093;
private static final int RAW_BUFFER_SIZE = 1024;
private final byte[] rawBuffer = new byte[RAW_BUFFER_SIZE];
private final ByteBuffer buffer = ByteBuffer.wrap(rawBuffer);
private final byte[] textBuffer = new byte[CLIPBOARD_TEXT_MAX_LENGTH];
public ControlMessageReader() {
// invariant: the buffer is always in "get" mode
buffer.limit(0);
}
public boolean isFull() {
return buffer.remaining() == rawBuffer.length;
}
public void readFrom(InputStream input) throws IOException {
if (isFull()) {
throw new IllegalStateException("Buffer full, call next() to consume");
}
buffer.compact();
int head = buffer.position();
int r = input.read(rawBuffer, head, rawBuffer.length - head);
if (r == -1) {
throw new EOFException("Controller socket closed");
}
buffer.position(head + r);
buffer.flip();
}
public ControlMessage next() {
if (!buffer.hasRemaining()) {
return null;
}
int savedPosition = buffer.position();
int type = buffer.get();
ControlMessage controlEvent;
switch (type) {
case ControlMessage.TYPE_INJECT_KEYCODE:
controlEvent = parseInjectKeycode();
break;
case ControlMessage.TYPE_INJECT_TEXT:
controlEvent = parseInjectText();
break;
case ControlMessage.TYPE_INJECT_MOUSE:
controlEvent = parseInjectMouse();
break;
case ControlMessage.TYPE_INJECT_TOUCH:
controlEvent = parseInjectMouseTouch();
break;
case ControlMessage.TYPE_INJECT_SCROLL:
controlEvent = parseInjectScroll();
break;
case ControlMessage.TYPE_SET_CLIPBOARD:
controlEvent = parseSetClipboard();
break;
case ControlMessage.TYPE_BACK_OR_SCREEN_ON:
case ControlMessage.TYPE_EXPAND_NOTIFICATION_PANEL:
case ControlMessage.TYPE_COLLAPSE_NOTIFICATION_PANEL:
case ControlMessage.TYPE_GET_CLIPBOARD:
controlEvent = ControlMessage.createEmpty(type);
break;
default:
Ln.w("Unknown event type: " + type);
controlEvent = null;
break;
}
if (controlEvent == null) {
// failure, reset savedPosition
buffer.position(savedPosition);
}
return controlEvent;
}
private ControlMessage parseInjectKeycode() {
if (buffer.remaining() < INJECT_KEYCODE_PAYLOAD_LENGTH) {
return null;
}
int action = toUnsigned(buffer.get());
int keycode = buffer.getInt();
int metaState = buffer.getInt();
return ControlMessage.createInjectKeycode(action, keycode, metaState);
}
private String parseString() {
if (buffer.remaining() < 2) {
return null;
}
int len = toUnsigned(buffer.getShort());
if (buffer.remaining() < len) {
return null;
}
buffer.get(textBuffer, 0, len);
return new String(textBuffer, 0, len, StandardCharsets.UTF_8);
}
private ControlMessage parseInjectText() {
String text = parseString();
if (text == null) {
return null;
}
return ControlMessage.createInjectText(text);
}
private ControlMessage parseInjectMouse() {
if (buffer.remaining() < INJECT_MOUSE_PAYLOAD_LENGTH) {
return null;
}
int action = toUnsigned(buffer.get());
int buttons = buffer.getInt();
Position position = readPosition(buffer);
return ControlMessage.createInjectMotion(action, buttons, position);
}
private ControlMessage parseInjectMouseTouch() {
if (buffer.remaining() < INJECT_TOUCH_PAYLOAD_LENGTH) {
return null;
}
int id = toUnsigned(buffer.get());
int action = toUnsigned(buffer.get());
Position position = readPosition(buffer);
return ControlMessage.createInjectMotionTouch(id, action, position);
}
private ControlMessage parseInjectScroll() {
if (buffer.remaining() < INJECT_SCROLL_PAYLOAD_LENGTH) {
return null;
}
Position position = readPosition(buffer);
int hScroll = buffer.getInt();
int vScroll = buffer.getInt();
return ControlMessage.createInjectScroll(position, hScroll, vScroll);
}
private ControlMessage parseSetClipboard() {
String text = parseString();
if (text == null) {
return null;
}
return ControlMessage.createSetClipboard(text);
}
private static Position readPosition(ByteBuffer buffer) {
int x = toUnsigned(buffer.getShort());
int y = toUnsigned(buffer.getShort());
int screenWidth = toUnsigned(buffer.getShort());
int screenHeight = toUnsigned(buffer.getShort());
return new Position(x, y, screenWidth, screenHeight);
}
@SuppressWarnings("checkstyle:MagicNumber")
private static int toUnsigned(short value) {
return value & 0xffff;
}
@SuppressWarnings("checkstyle:MagicNumber")
private static int toUnsigned(byte value) {
return value & 0xff;
}
}