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-rw-r--r--core/java/android/view/InputEventAssigner.java12
-rw-r--r--tests/Input/src/com/android/test/input/InputEventAssignerTest.kt186
2 files changed, 154 insertions, 44 deletions
diff --git a/core/java/android/view/InputEventAssigner.java b/core/java/android/view/InputEventAssigner.java
index 7fac6c5e4af6..30d9aaa4b144 100644
--- a/core/java/android/view/InputEventAssigner.java
+++ b/core/java/android/view/InputEventAssigner.java
@@ -17,7 +17,8 @@
package android.view;
import static android.os.IInputConstants.INVALID_INPUT_EVENT_ID;
-import static android.view.InputDevice.SOURCE_TOUCHSCREEN;
+import static android.view.InputDevice.SOURCE_CLASS_POINTER;
+import static android.view.InputDevice.SOURCE_CLASS_POSITION;
/**
* Process input events and assign input event id to a specific frame.
@@ -64,18 +65,19 @@ public class InputEventAssigner {
public int processEvent(InputEvent event) {
if (event instanceof MotionEvent) {
MotionEvent motionEvent = (MotionEvent) event;
- if (motionEvent.isFromSource(SOURCE_TOUCHSCREEN)) {
+ if (motionEvent.isFromSource(SOURCE_CLASS_POINTER) || motionEvent.isFromSource(
+ SOURCE_CLASS_POSITION)) {
final int action = motionEvent.getActionMasked();
if (action == MotionEvent.ACTION_DOWN) {
mHasUnprocessedDown = true;
mDownEventId = event.getId();
}
- if (mHasUnprocessedDown && action == MotionEvent.ACTION_MOVE) {
- return mDownEventId;
- }
if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) {
mHasUnprocessedDown = false;
}
+ if (mHasUnprocessedDown) {
+ return mDownEventId;
+ }
}
}
return event.getId();
diff --git a/tests/Input/src/com/android/test/input/InputEventAssignerTest.kt b/tests/Input/src/com/android/test/input/InputEventAssignerTest.kt
index c1a86b3a2dac..015e188fc98e 100644
--- a/tests/Input/src/com/android/test/input/InputEventAssignerTest.kt
+++ b/tests/Input/src/com/android/test/input/InputEventAssignerTest.kt
@@ -18,12 +18,20 @@ package com.android.test.input
import android.view.InputDevice.SOURCE_MOUSE
import android.view.InputDevice.SOURCE_TOUCHSCREEN
+import android.view.InputDevice.SOURCE_STYLUS
+import android.view.InputDevice.SOURCE_TOUCHPAD
+
import android.view.InputEventAssigner
import android.view.KeyEvent
import android.view.MotionEvent
import org.junit.Assert.assertEquals
import org.junit.Test
+sealed class StreamEvent
+private data object Vsync : StreamEvent()
+data class MotionEventData(val action: Int, val source: Int, val id: Int, val expectedId: Int) :
+ StreamEvent()
+
/**
* Create a MotionEvent with the provided action, eventTime, and source
*/
@@ -49,64 +57,164 @@ private fun createKeyEvent(action: Int, eventTime: Long): KeyEvent {
return KeyEvent(eventTime, eventTime, action, code, repeat)
}
+/**
+ * Check that the correct eventIds are assigned in a stream. The stream consists of motion
+ * events or vsync (processed frame)
+ * Each streamEvent should have unique ids when writing tests
+ * The test passes even if two events get assigned the same eventId, since the mapping is
+ * streamEventId -> motionEventId and streamEvents have unique ids
+ */
+private fun checkEventStream(vararg streamEvents: StreamEvent) {
+ val assigner = InputEventAssigner()
+ var eventTime = 10L
+ // Maps MotionEventData.id to MotionEvent.id
+ // We can't control the event id of the generated motion events but for testing it's easier
+ // to label the events with a custom id for readability
+ val eventIdMap: HashMap<Int, Int> = HashMap()
+ for (streamEvent in streamEvents) {
+ when (streamEvent) {
+ is MotionEventData -> {
+ val event = createMotionEvent(streamEvent.action, eventTime, streamEvent.source)
+ eventIdMap[streamEvent.id] = event.id
+ val eventId = assigner.processEvent(event)
+ assertEquals(eventIdMap[streamEvent.expectedId], eventId)
+ }
+ is Vsync -> assigner.notifyFrameProcessed()
+ }
+ eventTime += 1
+ }
+}
+
class InputEventAssignerTest {
companion object {
private const val TAG = "InputEventAssignerTest"
}
/**
- * A single MOVE event should be assigned to the next available frame.
+ * A single event should be assigned to the next available frame.
*/
@Test
- fun testTouchGesture() {
- val assigner = InputEventAssigner()
- val event = createMotionEvent(MotionEvent.ACTION_MOVE, 10, SOURCE_TOUCHSCREEN)
- val eventId = assigner.processEvent(event)
- assertEquals(event.id, eventId)
+ fun testTouchMove() {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_MOVE, SOURCE_TOUCHSCREEN, id = 1, expectedId = 1)
+ )
+ }
+
+ @Test
+ fun testMouseMove() {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_MOVE, SOURCE_MOUSE, id = 1, expectedId = 1)
+ )
+ }
+
+ @Test
+ fun testMouseScroll() {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_SCROLL, SOURCE_MOUSE, id = 1, expectedId = 1)
+ )
+ }
+
+ @Test
+ fun testStylusMove() {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_MOVE, SOURCE_STYLUS, id = 1, expectedId = 1)
+ )
+ }
+
+ @Test
+ fun testStylusHover() {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_HOVER_MOVE, SOURCE_STYLUS, id = 1, expectedId = 1)
+ )
+ }
+
+ @Test
+ fun testTouchpadMove() {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_MOVE, SOURCE_STYLUS, id = 1, expectedId = 1)
+ )
}
/**
- * DOWN event should be used until a vsync comes in. After vsync, the latest event should be
- * produced.
+ * Test that before a VSYNC the event id generated by input event assigner for move events is
+ * the id of the down event. Move events coming after a VSYNC should be assigned their own event
+ * id
*/
+ private fun testDownAndMove(source: Int) {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_DOWN, source, id = 1, expectedId = 1),
+ MotionEventData(MotionEvent.ACTION_MOVE, source, id = 2, expectedId = 1),
+ Vsync,
+ MotionEventData(MotionEvent.ACTION_MOVE, source, id = 4, expectedId = 4)
+ )
+ }
+
@Test
- fun testTouchDownWithMove() {
- val assigner = InputEventAssigner()
- val down = createMotionEvent(MotionEvent.ACTION_DOWN, 10, SOURCE_TOUCHSCREEN)
- val move1 = createMotionEvent(MotionEvent.ACTION_MOVE, 12, SOURCE_TOUCHSCREEN)
- val move2 = createMotionEvent(MotionEvent.ACTION_MOVE, 13, SOURCE_TOUCHSCREEN)
- val move3 = createMotionEvent(MotionEvent.ACTION_MOVE, 14, SOURCE_TOUCHSCREEN)
- val move4 = createMotionEvent(MotionEvent.ACTION_MOVE, 15, SOURCE_TOUCHSCREEN)
- var eventId = assigner.processEvent(down)
- assertEquals(down.id, eventId)
- eventId = assigner.processEvent(move1)
- assertEquals(down.id, eventId)
- eventId = assigner.processEvent(move2)
- // Even though we already had 2 move events, there was no choreographer callback yet.
- // Therefore, we should still get the id of the down event
- assertEquals(down.id, eventId)
+ fun testTouchDownAndMove() {
+ testDownAndMove(SOURCE_TOUCHSCREEN)
+ }
- // Now send CALLBACK_INPUT to the assigner. It should provide the latest motion event
- assigner.notifyFrameProcessed()
- eventId = assigner.processEvent(move3)
- assertEquals(move3.id, eventId)
- eventId = assigner.processEvent(move4)
- assertEquals(move4.id, eventId)
+ @Test
+ fun testMouseDownAndMove() {
+ testDownAndMove(SOURCE_MOUSE)
+ }
+
+ @Test
+ fun testStylusDownAndMove() {
+ testDownAndMove(SOURCE_STYLUS)
+ }
+
+ @Test
+ fun testTouchpadDownAndMove() {
+ testDownAndMove(SOURCE_TOUCHPAD)
}
/**
- * Similar to the above test, but with SOURCE_MOUSE. Since we don't have down latency
- * concept for non-touchscreens, the latest input event will be used.
+ * After an up event, motion events should be assigned their own event id
*/
@Test
- fun testMouseDownWithMove() {
- val assigner = InputEventAssigner()
- val down = createMotionEvent(MotionEvent.ACTION_DOWN, 10, SOURCE_MOUSE)
- val move1 = createMotionEvent(MotionEvent.ACTION_MOVE, 12, SOURCE_MOUSE)
- var eventId = assigner.processEvent(down)
- assertEquals(down.id, eventId)
- eventId = assigner.processEvent(move1)
- assertEquals(move1.id, eventId)
+ fun testMouseDownUpAndScroll() {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_DOWN, SOURCE_MOUSE, id = 1, expectedId = 1),
+ MotionEventData(MotionEvent.ACTION_UP, SOURCE_MOUSE, id = 2, expectedId = 2),
+ MotionEventData(MotionEvent.ACTION_SCROLL, SOURCE_MOUSE, id = 3, expectedId = 3)
+ )
+ }
+
+ /**
+ * After an up event, motion events should be assigned their own event id
+ */
+ @Test
+ fun testStylusDownUpAndHover() {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_DOWN, SOURCE_STYLUS, id = 1, expectedId = 1),
+ MotionEventData(MotionEvent.ACTION_UP, SOURCE_STYLUS, id = 2, expectedId = 2),
+ MotionEventData(MotionEvent.ACTION_HOVER_ENTER, SOURCE_STYLUS, id = 3, expectedId = 3)
+ )
+ }
+
+ /**
+ * After a cancel event, motion events should be assigned their own event id
+ */
+ @Test
+ fun testMouseDownCancelAndScroll() {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_DOWN, SOURCE_MOUSE, id = 1, expectedId = 1),
+ MotionEventData(MotionEvent.ACTION_CANCEL, SOURCE_MOUSE, id = 2, expectedId = 2),
+ MotionEventData(MotionEvent.ACTION_SCROLL, SOURCE_MOUSE, id = 3, expectedId = 3)
+ )
+ }
+
+ /**
+ * After a cancel event, motion events should be assigned their own event id
+ */
+ @Test
+ fun testStylusDownCancelAndHover() {
+ checkEventStream(
+ MotionEventData(MotionEvent.ACTION_DOWN, SOURCE_STYLUS, id = 1, expectedId = 1),
+ MotionEventData(MotionEvent.ACTION_CANCEL, SOURCE_STYLUS, id = 2, expectedId = 2),
+ MotionEventData(MotionEvent.ACTION_HOVER_ENTER, SOURCE_STYLUS, id = 3, expectedId = 3)
+ )
}
/**