Add integration tests to verify the behavior of a fused external stylus
A fused external stylus reports pressure through a separate input
device. That pressure information is then fused with touches from the
touchscreen.
Bug: 246394583
Test: atest inputflinger_tests
Change-Id: I2c00fca0f5e3d5214ebb2d0af04ed4efe14de9f7
diff --git a/services/inputflinger/tests/UinputDevice.cpp b/services/inputflinger/tests/UinputDevice.cpp
index bc695b8..1051aa9 100644
--- a/services/inputflinger/tests/UinputDevice.cpp
+++ b/services/inputflinger/tests/UinputDevice.cpp
@@ -138,6 +138,25 @@
UinputExternalStylus::UinputExternalStylus()
: UinputKeyboard(DEVICE_NAME, PRODUCT_ID, {BTN_STYLUS, BTN_STYLUS2, BTN_STYLUS3}) {}
+// --- UinputExternalStylusWithPressure ---
+
+UinputExternalStylusWithPressure::UinputExternalStylusWithPressure()
+ : UinputKeyboard(DEVICE_NAME, PRODUCT_ID, {BTN_STYLUS, BTN_STYLUS2, BTN_STYLUS3}) {}
+
+void UinputExternalStylusWithPressure::configureDevice(int fd, uinput_user_dev* device) {
+ UinputKeyboard::configureDevice(fd, device);
+
+ ioctl(fd, UI_SET_EVBIT, EV_ABS);
+ ioctl(fd, UI_SET_ABSBIT, ABS_PRESSURE);
+ device->absmin[ABS_PRESSURE] = RAW_PRESSURE_MIN;
+ device->absmax[ABS_PRESSURE] = RAW_PRESSURE_MAX;
+}
+
+void UinputExternalStylusWithPressure::setPressure(int32_t pressure) {
+ injectEvent(EV_ABS, ABS_PRESSURE, pressure);
+ injectEvent(EV_SYN, SYN_REPORT, 0);
+}
+
// --- UinputTouchScreen ---
UinputTouchScreen::UinputTouchScreen(const Rect& size)