TouchpadInputMapper: rotate multi-finger swipes with display
Or more specifically, rotate the fake fingers for them — the
`GESTURE_{X,Y}_OFFSET` axes are unaffected by the screen rotation.
Bug: 263378323
Test: Rotate device to landscape, check multi-finger swipe pointers are rotated
Test: atest inputflinger_tests
Change-Id: I376588f3574f6cd6ba54b5d84a6da3d76b4159f4
diff --git a/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp b/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp
index ffc0523..b438b00 100644
--- a/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp
+++ b/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp
@@ -216,12 +216,16 @@
yCursorPosition));
}
}
+ // TODO(b/251196347): Set the gesture properties appropriately to avoid needing to negate the Y
+ // values.
+ float rotatedDeltaX = dx, rotatedDeltaY = -dy;
+ rotateDelta(mOrientation, &rotatedDeltaX, &rotatedDeltaY);
for (size_t i = 0; i < mSwipeFingerCount; i++) {
PointerCoords& coords = mFakeFingerCoords[i];
- coords.setAxisValue(AMOTION_EVENT_AXIS_X, coords.getAxisValue(AMOTION_EVENT_AXIS_X) + dx);
- // TODO(b/251196347): Set the gesture properties appropriately to avoid needing to negate
- // the Y values.
- coords.setAxisValue(AMOTION_EVENT_AXIS_Y, coords.getAxisValue(AMOTION_EVENT_AXIS_Y) - dy);
+ coords.setAxisValue(AMOTION_EVENT_AXIS_X,
+ coords.getAxisValue(AMOTION_EVENT_AXIS_X) + rotatedDeltaX);
+ coords.setAxisValue(AMOTION_EVENT_AXIS_Y,
+ coords.getAxisValue(AMOTION_EVENT_AXIS_Y) + rotatedDeltaY);
}
float xOffset = dx / (mXAxisInfo.maxValue - mXAxisInfo.minValue);
// TODO(b/251196347): Set the gesture properties appropriately to avoid needing to negate the Y
diff --git a/services/inputflinger/tests/GestureConverter_test.cpp b/services/inputflinger/tests/GestureConverter_test.cpp
index 1c7ec76..3b54de5 100644
--- a/services/inputflinger/tests/GestureConverter_test.cpp
+++ b/services/inputflinger/tests/GestureConverter_test.cpp
@@ -353,6 +353,83 @@
WithPointerCount(1u), WithToolType(AMOTION_EVENT_TOOL_TYPE_FINGER)));
}
+TEST_F(GestureConverterTest, ThreeFingerSwipe_Rotated) {
+ InputDeviceContext deviceContext(*mDevice, EVENTHUB_ID);
+ GestureConverter converter(*mReader->getContext(), deviceContext, DEVICE_ID);
+ converter.setOrientation(ui::ROTATION_90);
+
+ Gesture startGesture(kGestureSwipe, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME, /* dx= */ 0,
+ /* dy= */ 10);
+ std::list<NotifyArgs> args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, startGesture);
+ ASSERT_EQ(4u, args.size());
+
+ // Three fake fingers should be created. We don't actually care where they are, so long as they
+ // move appropriately.
+ NotifyMotionArgs arg = std::get<NotifyMotionArgs>(args.front());
+ ASSERT_THAT(arg,
+ AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN), WithGestureOffset(0, 0, EPSILON),
+ WithPointerCount(1u)));
+ PointerCoords finger0Start = arg.pointerCoords[0];
+ args.pop_front();
+ arg = std::get<NotifyMotionArgs>(args.front());
+ ASSERT_THAT(arg,
+ AllOf(WithMotionAction(AMOTION_EVENT_ACTION_POINTER_DOWN |
+ 1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ WithGestureOffset(0, 0, EPSILON), WithPointerCount(2u)));
+ PointerCoords finger1Start = arg.pointerCoords[1];
+ args.pop_front();
+ arg = std::get<NotifyMotionArgs>(args.front());
+ ASSERT_THAT(arg,
+ AllOf(WithMotionAction(AMOTION_EVENT_ACTION_POINTER_DOWN |
+ 2 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ WithGestureOffset(0, 0, EPSILON), WithPointerCount(3u)));
+ PointerCoords finger2Start = arg.pointerCoords[2];
+ args.pop_front();
+
+ arg = std::get<NotifyMotionArgs>(args.front());
+ ASSERT_THAT(arg,
+ AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+ WithGestureOffset(0, -0.01, EPSILON), WithPointerCount(3u)));
+ EXPECT_EQ(arg.pointerCoords[0].getX(), finger0Start.getX() - 10);
+ EXPECT_EQ(arg.pointerCoords[1].getX(), finger1Start.getX() - 10);
+ EXPECT_EQ(arg.pointerCoords[2].getX(), finger2Start.getX() - 10);
+ EXPECT_EQ(arg.pointerCoords[0].getY(), finger0Start.getY());
+ EXPECT_EQ(arg.pointerCoords[1].getY(), finger1Start.getY());
+ EXPECT_EQ(arg.pointerCoords[2].getY(), finger2Start.getY());
+
+ Gesture continueGesture(kGestureSwipe, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME,
+ /* dx= */ 0, /* dy= */ 5);
+ args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, continueGesture);
+ ASSERT_EQ(1u, args.size());
+ arg = std::get<NotifyMotionArgs>(args.front());
+ ASSERT_THAT(arg,
+ AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+ WithGestureOffset(0, -0.005, EPSILON), WithPointerCount(3u)));
+ EXPECT_EQ(arg.pointerCoords[0].getX(), finger0Start.getX() - 15);
+ EXPECT_EQ(arg.pointerCoords[1].getX(), finger1Start.getX() - 15);
+ EXPECT_EQ(arg.pointerCoords[2].getX(), finger2Start.getX() - 15);
+ EXPECT_EQ(arg.pointerCoords[0].getY(), finger0Start.getY());
+ EXPECT_EQ(arg.pointerCoords[1].getY(), finger1Start.getY());
+ EXPECT_EQ(arg.pointerCoords[2].getY(), finger2Start.getY());
+
+ Gesture liftGesture(kGestureSwipeLift, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME);
+ args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, liftGesture);
+ ASSERT_EQ(3u, args.size());
+ ASSERT_THAT(std::get<NotifyMotionArgs>(args.front()),
+ AllOf(WithMotionAction(AMOTION_EVENT_ACTION_POINTER_UP |
+ 2 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ WithGestureOffset(0, 0, EPSILON), WithPointerCount(3u)));
+ args.pop_front();
+ ASSERT_THAT(std::get<NotifyMotionArgs>(args.front()),
+ AllOf(WithMotionAction(AMOTION_EVENT_ACTION_POINTER_UP |
+ 1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ WithGestureOffset(0, 0, EPSILON), WithPointerCount(2u)));
+ args.pop_front();
+ ASSERT_THAT(std::get<NotifyMotionArgs>(args.front()),
+ AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP), WithGestureOffset(0, 0, EPSILON),
+ WithPointerCount(1u)));
+}
+
TEST_F(GestureConverterTest, FourFingerSwipe_Horizontal) {
InputDeviceContext deviceContext(*mDevice, EVENTHUB_ID);
GestureConverter converter(*mReader->getContext(), deviceContext, DEVICE_ID);