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Accept touch control events without display

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Fixes #5542 <https://github.com/Genymobile/scrcpy/issues/5542>
This commit is contained in:
Romain Vimont 2024-11-28 21:10:06 +01:00
parent 017a3672a4
commit f8d1e7ce3c
1 changed files with 45 additions and 28 deletions
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65
server/src/main/java/com/genymobile/scrcpy/control/Controller.java
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@ -21,6 +21,7 @@ import android.content.IOnPrimaryClipChangedListener;
import android.content.Intent;
import android.os.Build;
import android.os.SystemClock;
import android.util.Pair;
import android.view.InputDevice;
import android.view.KeyCharacterMap;
import android.view.KeyEvent;
@ -350,24 +351,47 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
return successCount;
}
private boolean injectTouch(int action, long pointerId, Position position, float pressure, int actionButton, int buttons) {
long now = SystemClock.uptimeMillis();
private Pair<Point, Integer> getEventPointAndDisplayId(Position position) {
// it hides the field on purpose, to read it with atomic access
@SuppressWarnings("checkstyle:HiddenField")
DisplayData displayData = this.displayData.get();
assert displayData != null : "Cannot receive a touch event without a display";
// In scrcpy, displayData should never be null (a touch event can only be generated from the client when a video frame is present).
// However, it is possible to send events without video playback when using scrcpy-server alone (except for virtual displays).
assert displayData != null || displayId != Device.DISPLAY_ID_NONE : "Cannot receive a touch event without a display";
Point point = displayData.positionMapper.map(position);
Point point;
int targetDisplayId;
if (displayData != null) {
point = displayData.positionMapper.map(position);
if (point == null) {
if (Ln.isEnabled(Ln.Level.VERBOSE)) {
Size eventSize = position.getScreenSize();
Size currentSize = displayData.positionMapper.getVideoSize();
Ln.v("Ignore touch event generated for size " + eventSize + " (current size is " + currentSize + ")");
Ln.v("Ignore event generated for size " + eventSize + " (current size is " + currentSize + ")");
}
return null;
}
targetDisplayId = displayData.virtualDisplayId;
} else {
// No display, use the raw coordinates
point = position.getPoint();
targetDisplayId = displayId;
}
return Pair.create(point, targetDisplayId);
}
private boolean injectTouch(int action, long pointerId, Position position, float pressure, int actionButton, int buttons) {
long now = SystemClock.uptimeMillis();
Pair<Point, Integer> pair = getEventPointAndDisplayId(position);
if (pair == null) {
return false;
}
Point point = pair.first;
int targetDisplayId = pair.second;
int pointerIndex = pointersState.getPointerIndex(pointerId);
if (pointerIndex == -1) {
Ln.w("Too many pointers for touch event");
@ -421,7 +445,7 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
// First button pressed: ACTION_DOWN
MotionEvent downEvent = MotionEvent.obtain(lastTouchDown, now, MotionEvent.ACTION_DOWN, pointerCount, pointerProperties,
pointerCoords, 0, buttons, 1f, 1f, DEFAULT_DEVICE_ID, 0, source, 0);
if (!Device.injectEvent(downEvent, displayData.virtualDisplayId, Device.INJECT_MODE_ASYNC)) {
if (!Device.injectEvent(downEvent, targetDisplayId, Device.INJECT_MODE_ASYNC)) {
return false;
}
}
@ -432,7 +456,7 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
if (!InputManager.setActionButton(pressEvent, actionButton)) {
return false;
}
if (!Device.injectEvent(pressEvent, displayData.virtualDisplayId, Device.INJECT_MODE_ASYNC)) {
if (!Device.injectEvent(pressEvent, targetDisplayId, Device.INJECT_MODE_ASYNC)) {
return false;
}
@ -446,7 +470,7 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
if (!InputManager.setActionButton(releaseEvent, actionButton)) {
return false;
}
if (!Device.injectEvent(releaseEvent, displayData.virtualDisplayId, Device.INJECT_MODE_ASYNC)) {
if (!Device.injectEvent(releaseEvent, targetDisplayId, Device.INJECT_MODE_ASYNC)) {
return false;
}
@ -454,7 +478,7 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
// Last button released: ACTION_UP
MotionEvent upEvent = MotionEvent.obtain(lastTouchDown, now, MotionEvent.ACTION_UP, pointerCount, pointerProperties,
pointerCoords, 0, buttons, 1f, 1f, DEFAULT_DEVICE_ID, 0, source, 0);
if (!Device.injectEvent(upEvent, displayData.virtualDisplayId, Device.INJECT_MODE_ASYNC)) {
if (!Device.injectEvent(upEvent, targetDisplayId, Device.INJECT_MODE_ASYNC)) {
return false;
}
}
@ -465,27 +489,20 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
MotionEvent event = MotionEvent.obtain(lastTouchDown, now, action, pointerCount, pointerProperties, pointerCoords, 0, buttons, 1f, 1f,
DEFAULT_DEVICE_ID, 0, source, 0);
return Device.injectEvent(event, displayData.virtualDisplayId, Device.INJECT_MODE_ASYNC);
return Device.injectEvent(event, targetDisplayId, Device.INJECT_MODE_ASYNC);
}
private boolean injectScroll(Position position, float hScroll, float vScroll, int buttons) {
long now = SystemClock.uptimeMillis();
// it hides the field on purpose, to read it with atomic access
@SuppressWarnings("checkstyle:HiddenField")
DisplayData displayData = this.displayData.get();
assert displayData != null : "Cannot receive a scroll event without a display";
Point point = displayData.positionMapper.map(position);
if (point == null) {
if (Ln.isEnabled(Ln.Level.VERBOSE)) {
Size eventSize = position.getScreenSize();
Size currentSize = displayData.positionMapper.getVideoSize();
Ln.v("Ignore scroll event generated for size " + eventSize + " (current size is " + currentSize + ")");
}
Pair<Point, Integer> pair = getEventPointAndDisplayId(position);
if (pair == null) {
return false;
}
Point point = pair.first;
int targetDisplayId = pair.second;
MotionEvent.PointerProperties props = pointerProperties[0];
props.id = 0;
@ -497,7 +514,7 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
MotionEvent event = MotionEvent.obtain(lastTouchDown, now, MotionEvent.ACTION_SCROLL, 1, pointerProperties, pointerCoords, 0, buttons, 1f, 1f,
DEFAULT_DEVICE_ID, 0, InputDevice.SOURCE_MOUSE, 0);
return Device.injectEvent(event, displayData.virtualDisplayId, Device.INJECT_MODE_ASYNC);
return Device.injectEvent(event, targetDisplayId, Device.INJECT_MODE_ASYNC);
}
/**