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Inject touch events on the server

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On receiving an "inject touch" control message, update the local
pointers state and inject touches.
This commit is contained in:
Romain Vimont 2019-09-15 22:28:59 +02:00
parent 77f876e29c
commit f765aae352
3 changed files with 222 additions and 0 deletions
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64
server/src/main/java/com/genymobile/scrcpy/Controller.java
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@ -23,10 +23,18 @@ public class Controller {
private final MotionEvent.PointerProperties[] mousePointerProperties = {new MotionEvent.PointerProperties()};
private final MotionEvent.PointerCoords[] mousePointerCoords = {new MotionEvent.PointerCoords()};
private long lastTouchDown;
private final PointersState pointersState = new PointersState();
private final MotionEvent.PointerProperties[] touchPointerProperties =
new MotionEvent.PointerProperties[PointersState.MAX_POINTERS];
private final MotionEvent.PointerCoords[] touchPointerCoords =
new MotionEvent.PointerCoords[PointersState.MAX_POINTERS];
public Controller(Device device, DesktopConnection connection) {
this.device = device;
this.connection = connection;
initMousePointer();
initTouchPointers();
sender = new DeviceMessageSender(connection);
}
@ -41,6 +49,20 @@ public class Controller {
coords.size = 1;
}
private void initTouchPointers() {
for (int i = 0; i < PointersState.MAX_POINTERS; ++i) {
MotionEvent.PointerProperties props = new MotionEvent.PointerProperties();
props.toolType = MotionEvent.TOOL_TYPE_FINGER;
MotionEvent.PointerCoords coords = new MotionEvent.PointerCoords();
coords.orientation = 0;
coords.size = 1;
touchPointerProperties[i] = props;
touchPointerCoords[i] = coords;
}
}
private void setMousePointerCoords(Point point) {
MotionEvent.PointerCoords coords = mousePointerCoords[0];
coords.x = point.getX();
@ -90,6 +112,9 @@ public class Controller {
case ControlMessage.TYPE_INJECT_MOUSE_EVENT:
injectMouse(msg.getAction(), msg.getButtons(), msg.getPosition());
break;
case ControlMessage.TYPE_INJECT_TOUCH_EVENT:
injectTouch(msg.getAction(), msg.getPointerId(), msg.getPosition(), msg.getPressure());
break;
case ControlMessage.TYPE_INJECT_SCROLL_EVENT:
injectScroll(msg.getPosition(), msg.getHScroll(), msg.getVScroll());
break;
@ -164,6 +189,45 @@ public class Controller {
return injectEvent(event);
}
private boolean injectTouch(int action, long pointerId, Position position, float pressure) {
long now = SystemClock.uptimeMillis();
Point point = device.getPhysicalPoint(position);
if (point == null) {
// ignore event
return false;
}
int pointerIndex = pointersState.getPointerIndex(pointerId);
if (pointerIndex == -1) {
Ln.w("Too many pointers for touch event");
return false;
}
Pointer pointer = pointersState.get(pointerIndex);
pointer.setPoint(point);
pointer.setPressure(pressure);
pointer.setUp(action == MotionEvent.ACTION_UP);
int pointerCount = pointersState.update(touchPointerProperties, touchPointerCoords);
if (pointerCount == 1) {
if (action == MotionEvent.ACTION_DOWN) {
lastTouchDown = now;
}
} else {
// secondary pointers must use ACTION_POINTER_* ORed with the pointerIndex
if (action == MotionEvent.ACTION_UP) {
action = MotionEvent.ACTION_POINTER_UP | (pointerIndex << MotionEvent.ACTION_POINTER_INDEX_SHIFT);
} else if (action == MotionEvent.ACTION_DOWN) {
action = MotionEvent.ACTION_POINTER_DOWN | (pointerIndex << MotionEvent.ACTION_POINTER_INDEX_SHIFT);
}
}
MotionEvent event = MotionEvent.obtain(lastTouchDown, now, action, pointerCount, touchPointerProperties,
touchPointerCoords, 0, 0, 1f, 1f, 0, 0, InputDevice.SOURCE_TOUCHSCREEN, 0);
return injectEvent(event);
}
private boolean injectScroll(Position position, int hScroll, int vScroll) {
long now = SystemClock.uptimeMillis();
Point point = device.getPhysicalPoint(position);