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MotionEvent: add AXIS_GESTURE_SWIPE_FINGER_COUNT

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Bug: 283093437
Test: atest inputflinger_tests:GestureConverterTest
Test: modify InputDispatcher to send multi-finger swipes to apps too,
      then check reported values in a test app
Change-Id: I4cc7ea0c9adb641ba5b3bd791bbb48fd896551ab
This commit is contained in:
Harry Cutts
2023-05-17 15:40:26 +00:00
parent 961b2c2924
commit 6cfe949d73
1 changed files with 22 additions and 2 deletions
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24
core/java/android/view/MotionEvent.java
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@@ -1285,6 +1285,8 @@ public final class MotionEvent extends InputEvent implements Parcelable {
* </ul>
* These values are relative to the state from the last event, not accumulated, so developers
* should make sure to process this axis value for all batched historical events.
* <p>
* This axis is only set on the first pointer in a motion event.
*/
public static final int AXIS_GESTURE_X_OFFSET = 48;
@@ -1304,6 +1306,8 @@ public final class MotionEvent extends InputEvent implements Parcelable {
* </ul>
* These values are relative to the state from the last event, not accumulated, so developers
* should make sure to process this axis value for all batched historical events.
* <p>
* This axis is only set on the first pointer in a motion event.
*/
public static final int AXIS_GESTURE_SCROLL_X_DISTANCE = 50;
@@ -1324,14 +1328,29 @@ public final class MotionEvent extends InputEvent implements Parcelable {
* </ul>
* These values are relative to the state from the last event, not accumulated, so developers
* should make sure to process this axis value for all batched historical events.
* <p>
* This axis is only set on the first pointer in a motion event.
*/
public static final int AXIS_GESTURE_PINCH_SCALE_FACTOR = 52;
/**
* Axis constant: the number of fingers being used in a multi-finger swipe gesture.
* <p>
* <ul>
* <li>For a touch pad, reports the number of fingers being used in a multi-finger swipe gesture
* (with CLASSIFICATION_MULTI_FINGER_SWIPE).
* </ul>
* <p>
* Since CLASSIFICATION_MULTI_FINGER_SWIPE is a hidden API, so is this axis. It is only set on
* the first pointer in a motion event.
* @hide
*/
public static final int AXIS_GESTURE_SWIPE_FINGER_COUNT = 53;
// NOTE: If you add a new axis here you must also add it to:
// frameworks/native/include/android/input.h
// frameworks/native/libs/input/InputEventLabels.cpp
// platform/cts/tests/tests/view/src/android/view/cts/MotionEventTest.java
// (testAxisFromToString)
// cts/tests/tests/view/src/android/view/cts/MotionEventTest.java (testAxisFromToString)
// Symbolic names of all axes.
private static final SparseArray<String> AXIS_SYMBOLIC_NAMES = new SparseArray<String>();
@@ -1387,6 +1406,7 @@ public final class MotionEvent extends InputEvent implements Parcelable {
names.append(AXIS_GESTURE_SCROLL_X_DISTANCE, "AXIS_GESTURE_SCROLL_X_DISTANCE");
names.append(AXIS_GESTURE_SCROLL_Y_DISTANCE, "AXIS_GESTURE_SCROLL_Y_DISTANCE");
names.append(AXIS_GESTURE_PINCH_SCALE_FACTOR, "AXIS_GESTURE_PINCH_SCALE_FACTOR");
names.append(AXIS_GESTURE_SWIPE_FINGER_COUNT, "AXIS_GESTURE_SWIPE_FINGER_COUNT");
}
/**